three.js/build/three.webgpu.nodes.min.js

/**
 * @license
 * Copyright 2010-2025 Three.js Authors
 * SPDX-License-Identifier: MIT
 */
import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as A,LessCompare as E,NearestFilter as w,Sphere as C,BackSide as M,DoubleSide as B,Euler as P,CubeTexture as L,CubeReflectionMapping as F,CubeRefractionMapping as D,TangentSpaceNormalMap as U,NoNormalPacking as I,NormalRGPacking as O,NormalGAPacking as V,ObjectSpaceNormalMap as k,RGFormat as G,RED_GREEN_RGTC2_Format as z,RG11_EAC_Format as $,InstancedBufferAttribute as W,InstancedInterleavedBuffer as H,DataArrayTexture as q,FloatType as j,FramebufferTexture as X,LinearMipmapLinearFilter as K,DepthTexture as Y,Material as Q,LineBasicMaterial as Z,LineDashedMaterial as J,NoBlending as ee,MeshNormalMaterial as te,SRGBColorSpace as re,WebGLCubeRenderTarget as se,BoxGeometry as ie,Mesh as ne,Scene as ae,LinearFilter as oe,CubeCamera as ue,EquirectangularReflectionMapping as le,EquirectangularRefractionMapping as de,AddOperation as ce,MixOperation as he,MultiplyOperation as pe,MeshBasicMaterial as ge,MeshLambertMaterial as me,MeshPhongMaterial as fe,DataTexture as ye,HalfFloatType as be,ClampToEdgeWrapping as xe,BufferGeometry as Te,OrthographicCamera as _e,PerspectiveCamera as ve,RenderTarget as Ne,LinearSRGBColorSpace as Se,RGBAFormat as Re,CubeUVReflectionMapping as Ae,BufferAttribute as Ee,MeshStandardMaterial as we,MeshPhysicalMaterial as Ce,MeshToonMaterial as Me,MeshMatcapMaterial as Be,SpriteMaterial as Pe,PointsMaterial as Le,ShadowMaterial as Fe,Uint32BufferAttribute as De,Uint16BufferAttribute as Ue,arrayNeedsUint32 as Ie,DepthStencilFormat as Oe,DepthFormat as Ve,UnsignedInt248Type as ke,UnsignedByteType as Ge,NormalBlending as ze,SrcAlphaFactor as $e,OneMinusSrcAlphaFactor as We,AddEquation as He,MaterialBlending as qe,Plane as je,Object3D as Xe,LinearMipMapLinearFilter as Ke,Float32BufferAttribute as Ye,UVMapping as Qe,VSMShadowMap as Ze,BasicShadowMap as Je,CubeDepthTexture as et,SphereGeometry as tt,LinearMipmapNearestFilter as rt,NearestMipmapLinearFilter as st,Float16BufferAttribute as it,REVISION as nt,ArrayCamera as at,PlaneGeometry as ot,FrontSide as ut,CustomBlending as lt,ZeroFactor as dt,CylinderGeometry as ct,Quaternion as ht,WebXRController as pt,RAD2DEG as gt,PCFShadowMap as mt,FrustumArray as ft,Frustum as yt,RedIntegerFormat as bt,RedFormat as xt,ShortType as Tt,ByteType as _t,UnsignedShortType as vt,RGIntegerFormat as Nt,RGBIntegerFormat as St,RGBFormat as Rt,RGBAIntegerFormat as At,TimestampQuery as Et,createCanvasElement as wt,ReverseSubtractEquation as Ct,SubtractEquation as Mt,OneMinusDstAlphaFactor as Bt,OneMinusDstColorFactor as Pt,OneMinusSrcColorFactor as Lt,DstAlphaFactor as Ft,DstColorFactor as Dt,SrcAlphaSaturateFactor as Ut,SrcColorFactor as It,OneFactor as Ot,CullFaceNone as Vt,CullFaceBack as kt,CullFaceFront as Gt,MultiplyBlending as zt,SubtractiveBlending as $t,AdditiveBlending as Wt,NotEqualDepth as Ht,GreaterDepth as qt,GreaterEqualDepth as jt,EqualDepth as Xt,LessEqualDepth as Kt,LessDepth as Yt,AlwaysDepth as Qt,NeverDepth as Zt,UnsignedShort4444Type as Jt,UnsignedShort5551Type as er,UnsignedInt5999Type as tr,UnsignedInt101111Type as rr,AlphaFormat as sr,RGB_S3TC_DXT1_Format as ir,RGBA_S3TC_DXT1_Format as nr,RGBA_S3TC_DXT3_Format as ar,RGBA_S3TC_DXT5_Format as or,RGB_PVRTC_4BPPV1_Format as ur,RGB_PVRTC_2BPPV1_Format as lr,RGBA_PVRTC_4BPPV1_Format as dr,RGBA_PVRTC_2BPPV1_Format as cr,RGB_ETC1_Format as hr,RGB_ETC2_Format as pr,RGBA_ETC2_EAC_Format as gr,R11_EAC_Format as mr,SIGNED_R11_EAC_Format as fr,SIGNED_RG11_EAC_Format as yr,RGBA_ASTC_4x4_Format as br,RGBA_ASTC_5x4_Format as xr,RGBA_ASTC_5x5_Format as Tr,RGBA_ASTC_6x5_Format as _r,RGBA_ASTC_6x6_Format as vr,RGBA_ASTC_8x5_Format as Nr,RGBA_ASTC_8x6_Format as Sr,RGBA_ASTC_8x8_Format as Rr,RGBA_ASTC_10x5_Format as Ar,RGBA_ASTC_10x6_Format as Er,RGBA_ASTC_10x8_Format as wr,RGBA_ASTC_10x10_Format as Cr,RGBA_ASTC_12x10_Format as Mr,RGBA_ASTC_12x12_Format as Br,RGBA_BPTC_Format as Pr,RED_RGTC1_Format as Lr,SIGNED_RED_RGTC1_Format as Fr,SIGNED_RED_GREEN_RGTC2_Format as Dr,MirroredRepeatWrapping as Ur,RepeatWrapping as Ir,NearestMipmapNearestFilter as Or,NotEqualCompare as Vr,GreaterCompare as kr,GreaterEqualCompare as Gr,EqualCompare as zr,LessEqualCompare as $r,AlwaysCompare as Wr,NeverCompare as Hr,LinearTransfer as qr,getByteLength as jr,isTypedArray as Xr,NotEqualStencilFunc as Kr,GreaterStencilFunc as Yr,GreaterEqualStencilFunc as Qr,EqualStencilFunc as Zr,LessEqualStencilFunc as Jr,LessStencilFunc as es,AlwaysStencilFunc as ts,NeverStencilFunc as rs,DecrementWrapStencilOp as ss,IncrementWrapStencilOp as is,DecrementStencilOp as ns,IncrementStencilOp as as,InvertStencilOp as os,ReplaceStencilOp as us,ZeroStencilOp as ls,KeepStencilOp as ds,MaxEquation as cs,MinEquation as hs,SpotLight as ps,PointLight as gs,DirectionalLight as ms,RectAreaLight as fs,AmbientLight as ys,HemisphereLight as bs,LightProbe as xs,LinearToneMapping as Ts,ReinhardToneMapping as _s,CineonToneMapping as vs,ACESFilmicToneMapping as Ns,AgXToneMapping as Ss,NeutralToneMapping as Rs,Group as As,Loader as Es,FileLoader as ws,MaterialLoader as Cs,ObjectLoader as Ms}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,PCFSoftShadowMap,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Bs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Ps=new WeakMap;class Ls{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=Bs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{id:r.id,attributes:this.getAttributesData(r.attributes),indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights()),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e,t){const{object:r,material:s,geometry:i}=e,n=this.getRenderObjectData(e);if(!0!==n.worldMatrix.equals(r.matrixWorld))return n.worldMatrix.copy(r.matrixWorld),!1;const a=n.material;for(const e in a){const t=a[e],r=s[e];if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,!1}else if(t!==r)return a[e]=r,!1}if(a.transmission>0){const{width:t,height:r}=e.context;if(n.bufferWidth!==t||n.bufferHeight!==r)return n.bufferWidth=t,n.bufferHeight=r,!1}const o=n.geometry,u=i.attributes,l=o.attributes,d=Object.keys(l),c=Object.keys(u);if(o.id!==i.id)return o.id=i.id,!1;if(d.length!==c.length)return n.geometry.attributes=this.getAttributesData(u),!1;for(const e of d){const t=l[e],r=u[e];if(void 0===r)return delete l[e],!1;if(t.version!==r.version)return t.version=r.version,!1}const h=i.index,p=o.indexVersion,g=h?h.version:null;if(p!==g)return o.indexVersion=g,!1;if(o.drawRange.start!==i.drawRange.start||o.drawRange.count!==i.drawRange.count)return o.drawRange.start=i.drawRange.start,o.drawRange.count=i.drawRange.count,!1;if(n.morphTargetInfluences){let e=!1;for(let t=0;t<n.morphTargetInfluences.length;t++)n.morphTargetInfluences[t]!==r.morphTargetInfluences[t]&&(n.morphTargetInfluences[t]=r.morphTargetInfluences[t],e=!0);if(e)return!1}if(n.lights)for(let e=0;e<t.length;e++)if(n.lights[e].map!==t[e].map)return!1;return n.center&&!1===n.center.equals(r.center)?(n.center.copy(r.center),!0):(null!==e.bundle&&(n.version=e.bundle.version),!0)}getLightsData(e){const t=[];for(const r of e)!0===r.isSpotLight&&null!==r.map&&t.push({map:r.map.version});return t}getLights(e,t){if(Ps.has(e)){const r=Ps.get(e);if(r.renderId===t)return r.lightsData}const r=this.getLightsData(e.getLights());return Ps.set(e,{renderId:t,lightsData:r}),r}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;const n=this.getLights(e.lightsNode,r);return!0!==this.equals(e,n)}}function Fs(e,t=0){let r=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const Ds=e=>Fs(e),Us=e=>Fs(e),Is=(...e)=>Fs(e),Os=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Vs=new WeakMap;function ks(e){return Os.get(e)}function Gs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function zs(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void o("TSL: Unsupported type:",e)}function $s(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void o("TSL: Unsupported type:",e)}function Ws(e){return/float|int|uint/.test(e)?4:/vec2/.test(e)?8:/vec3/.test(e)||/vec4/.test(e)?16:/mat2/.test(e)?8:/mat3/.test(e)||/mat4/.test(e)?16:void o("TSL: Unsupported type:",e)}function Hs(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function qs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?Ks(u[0]):null}function js(e){let t=Vs.get(e);return void 0===t&&(t={},Vs.set(e,t)),t}function Xs(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Ks(e){return Uint8Array.from(atob(e),e=>e.charCodeAt(0)).buffer}var Ys=Object.freeze({__proto__:null,arrayBufferToBase64:Xs,base64ToArrayBuffer:Ks,getAlignmentFromType:Ws,getDataFromObject:js,getLengthFromType:zs,getMemoryLengthFromType:$s,getTypeFromLength:ks,getTypedArrayFromType:Gs,getValueFromType:qs,getValueType:Hs,hash:Is,hashArray:Us,hashString:Ds});const Qs={VERTEX:"vertex",FRAGMENT:"fragment"},Zs={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},Js={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ei={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},ti=["fragment","vertex"],ri=["setup","analyze","generate"],si=[...ti,"compute"],ii=["x","y","z","w"],ni={analyze:"setup",generate:"analyze"};let ai=0;class oi extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=Zs.NONE,this.updateBeforeType=Zs.NONE,this.updateAfterType=Zs.NONE,this.uuid=l.generateUUID(),this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:ai++})}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,Zs.FRAME)}onRenderUpdate(e){return this.onUpdate(e,Zs.RENDER)}onObjectUpdate(e){return this.onUpdate(e,Zs.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)t.push({property:r,childNode:s});else if(s&&Object.getPrototypeOf(s)===Object.prototype)for(const e in s){if(!0===e.startsWith("_"))continue;const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Ds(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=Is(Us(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=ni[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addNode(this),e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),e.addSequentialNode(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}class ui extends oi{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class li extends oi{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class di extends oi{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class ci extends di{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const hi=ii.join("");class pi extends oi{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(ii.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===hi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class gi extends di{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=ii[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class mi extends di{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=ii[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class fi extends oi{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?Hs(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Hs(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Xs(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?qs(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const yi=/float|u?int/;class bi extends fi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return yi.test(r)&&yi.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class xi extends oi{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}getNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let Ti=null;const _i=new Map;function vi(e,t){if(_i.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);_i.set(e,t),"assign"!==e&&(oi.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},oi.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Ni=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");oi.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==Ti?Ti.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn()."),this;{const t=_i.get("assign");return this.addToStack(t(...e))}},oi.prototype.toVarIntent=function(){return this},oi.prototype.get=function(e){return new xi(this,e)};const Si={};function Ri(e,t,r){Si[e]=Si[t]=Si[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new pi(this,e),this._cache[e]=t),t},set(t){this[e].assign(Qi(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();oi.prototype["set"+s]=oi.prototype["set"+i]=oi.prototype["set"+n]=function(t){const r=Ni(e);return new gi(this,r,Qi(t))},oi.prototype["flip"+s]=oi.prototype["flip"+i]=oi.prototype["flip"+n]=function(){const t=Ni(e);return new mi(this,t)}}const Ai=["x","y","z","w"],Ei=["r","g","b","a"],wi=["s","t","p","q"];for(let e=0;e<4;e++){let t=Ai[e],r=Ei[e],s=wi[e];Ri(t,r,s);for(let i=0;i<4;i++){t=Ai[e]+Ai[i],r=Ei[e]+Ei[i],s=wi[e]+wi[i],Ri(t,r,s);for(let n=0;n<4;n++){t=Ai[e]+Ai[i]+Ai[n],r=Ei[e]+Ei[i]+Ei[n],s=wi[e]+wi[i]+wi[n],Ri(t,r,s);for(let a=0;a<4;a++)t=Ai[e]+Ai[i]+Ai[n]+Ai[a],r=Ei[e]+Ei[i]+Ei[n]+Ei[a],s=wi[e]+wi[i]+wi[n]+wi[a],Ri(t,r,s)}}}for(let e=0;e<32;e++)Si[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new ui(this,new bi(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(Qi(t))}};Object.defineProperties(oi.prototype,Si);const Ci=new WeakMap,Mi=function(e,t=null){for(const r in e)e[r]=Qi(e[r],t);return e},Bi=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Qi(e[s],t);return e},Pi=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=Qi(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=Qi(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...en(d(t)))):null!==r?(r=Qi(r),n=(...s)=>i(new e(t,...en(d(s)),r))):n=(...r)=>i(new e(t,...en(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Li=function(e,...t){return new e(...en(t))};class Fi extends oi{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){let s=Ci.get(e.constructor);void 0===s&&(s=new WeakMap,Ci.set(e.constructor,s));let i=s.get(t);void 0===i&&(i=Qi(e.buildFunctionNode(t)),s.set(t,i)),e.addInclude(i);const n=r?function(e){let t;Ji(e);t=e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)?[...e]:e[0];return t}(r):null;u=Qi(i.call(n))}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return Ji(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield Qi(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof oi&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=Qi(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=Qi(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}class Di extends oi{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Fi(this,e)}setup(){return this.call()}}const Ui=[!1,!0],Ii=[0,1,2,3],Oi=[-1,-2],Vi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],ki=new Map;for(const e of Ui)ki.set(e,new bi(e));const Gi=new Map;for(const e of Ii)Gi.set(e,new bi(e,"uint"));const zi=new Map([...Gi].map(e=>new bi(e.value,"int")));for(const e of Oi)zi.set(e,new bi(e,"int"));const $i=new Map([...zi].map(e=>new bi(e.value)));for(const e of Vi)$i.set(e,new bi(e));for(const e of Vi)$i.set(-e,new bi(-e));const Wi={bool:ki,uint:Gi,ints:zi,float:$i},Hi=new Map([...ki,...$i]),qi=(e,t)=>Hi.has(e)?Hi.get(e):!0===e.isNode?e:new bi(e,t),ji=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`),new bi(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[qs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Zi(t.get(r[0]));if(1===r.length){const t=qi(r[0],e);return t.nodeType===e?Zi(t):Zi(new li(t,e))}const s=r.map(e=>qi(e));return Zi(new ci(s,e))}},Xi=e=>"object"==typeof e&&null!==e?e.value:e,Ki=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Yi(e,t){return new Di(e,t)}const Qi=(e,t=null)=>function(e,t=null){const r=Hs(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Qi(qi(e,t)):"shader"===r?e.isFn?e:on(e):e}(e,t),Zi=(e,t=null)=>Qi(e,t).toVarIntent(),Ji=(e,t=null)=>new Mi(e,t),en=(e,t=null)=>new Bi(e,t),tn=(e,t=null,r=null,s=null)=>new Pi(e,t,r,s),rn=(e,...t)=>new Li(e,...t),sn=(e,t=null,r=null,s={})=>new Pi(e,t,r,{...s,intent:!0});let nn=0;class an extends oi{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type."),t=null)),this.shaderNode=new Yi(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+nn++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}getNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. 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t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new xa(e,r)};class _a extends di{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}getNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const va=(...e)=>{let t;if(1===e.length){const r=e[0];t=new _a(null,r.length,r)}else{const r=e[0],s=e[1];t=new _a(r,s)}return Qi(t)};vi("toArray",(e,t)=>va(Array(t).fill(e)));class Na extends di{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return ii.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const Sa=tn(Na).setParameterLength(2);vi("assign",Sa);class Ra extends di{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 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r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r||"~"===r)return e.format(`(${r}${u})`,a,t);if(d)return e.format(`${d}( 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Ca=sn(wa,"+").setParameterLength(2,1/0).setName("add"),Ma=sn(wa,"-").setParameterLength(2,1/0).setName("sub"),Ba=sn(wa,"*").setParameterLength(2,1/0).setName("mul"),Pa=sn(wa,"/").setParameterLength(2,1/0).setName("div"),La=sn(wa,"%").setParameterLength(2).setName("mod"),Fa=sn(wa,"==").setParameterLength(2).setName("equal"),Da=sn(wa,"!=").setParameterLength(2).setName("notEqual"),Ua=sn(wa,"<").setParameterLength(2).setName("lessThan"),Ia=sn(wa,">").setParameterLength(2).setName("greaterThan"),Oa=sn(wa,"<=").setParameterLength(2).setName("lessThanEqual"),Va=sn(wa,">=").setParameterLength(2).setName("greaterThanEqual"),ka=sn(wa,"&&").setParameterLength(2,1/0).setName("and"),Ga=sn(wa,"||").setParameterLength(2,1/0).setName("or"),za=sn(wa,"!").setParameterLength(1).setName("not"),$a=sn(wa,"^^").setParameterLength(2).setName("xor"),Wa=sn(wa,"&").setParameterLength(2).setName("bitAnd"),Ha=sn(wa,"~").setParameterLength(1).setName("bitNot"),qa=sn(wa,"|").setParameterLength(2).setName("bitOr"),ja=sn(wa,"^").setParameterLength(2).setName("bitXor"),Xa=sn(wa,"<<").setParameterLength(2).setName("shiftLeft"),Ka=sn(wa,">>").setParameterLength(2).setName("shiftRight"),Ya=on(([e])=>(e.addAssign(1),e)),Qa=on(([e])=>(e.subAssign(1),e)),Za=on(([e])=>{const t=gn(e).toConst();return e.addAssign(1),t}),Ja=on(([e])=>{const t=gn(e).toConst();return e.subAssign(1),t});vi("add",Ca),vi("sub",Ma),vi("mul",Ba),vi("div",Pa),vi("mod",La),vi("equal",Fa),vi("notEqual",Da),vi("lessThan",Ua),vi("greaterThan",Ia),vi("lessThanEqual",Oa),vi("greaterThanEqual",Va),vi("and",ka),vi("or",Ga),vi("not",za),vi("xor",$a),vi("bitAnd",Wa),vi("bitNot",Ha),vi("bitOr",qa),vi("bitXor",ja),vi("shiftLeft",Xa),vi("shiftRight",Ka),vi("incrementBefore",Ya),vi("decrementBefore",Qa),vi("increment",Za),vi("decrement",Ja);const eo=(e,t)=>(d('TSL: "modInt()" is deprecated. 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i=null;if(s===to.ONE_MINUS)i=Ma(1,t);else if(s===to.RECIPROCAL)i=Pa(1,t);else if(s===to.DIFFERENCE)i=Co(Ma(t,r));else if(s===to.TRANSFORM_DIRECTION){let s=t,n=r;e.isMatrix(s.getNodeType(e))?n=Rn(_n(n),0):s=Rn(_n(s),0);const a=Ba(s,n).xyz;i=_o(a)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===to.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===to.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===to.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==to.MIN&&r!==to.MAX?r===to.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===to.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===to.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==to.DFDX&&r!==to.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}to.ALL="all",to.ANY="any",to.RADIANS="radians",to.DEGREES="degrees",to.EXP="exp",to.EXP2="exp2",to.LOG="log",to.LOG2="log2",to.SQRT="sqrt",to.INVERSE_SQRT="inversesqrt",to.FLOOR="floor",to.CEIL="ceil",to.NORMALIZE="normalize",to.FRACT="fract",to.SIN="sin",to.COS="cos",to.TAN="tan",to.ASIN="asin",to.ACOS="acos",to.ATAN="atan",to.ABS="abs",to.SIGN="sign",to.LENGTH="length",to.NEGATE="negate",to.ONE_MINUS="oneMinus",to.DFDX="dFdx",to.DFDY="dFdy",to.ROUND="round",to.RECIPROCAL="reciprocal",to.TRUNC="trunc",to.FWIDTH="fwidth",to.TRANSPOSE="transpose",to.DETERMINANT="determinant",to.INVERSE="inverse",to.EQUALS="equals",to.MIN="min",to.MAX="max",to.STEP="step",to.REFLECT="reflect",to.DISTANCE="distance",to.DIFFERENCE="difference",to.DOT="dot",to.CROSS="cross",to.POW="pow",to.TRANSFORM_DIRECTION="transformDirection",to.MIX="mix",to.CLAMP="clamp",to.REFRACT="refract",to.SMOOTHSTEP="smoothstep",to.FACEFORWARD="faceforward";const ro=pn(1e-6),so=pn(1e6),io=pn(Math.PI),no=pn(2*Math.PI),ao=pn(2*Math.PI),oo=pn(.5*Math.PI),uo=sn(to,to.ALL).setParameterLength(1),lo=sn(to,to.ANY).setParameterLength(1),co=sn(to,to.RADIANS).setParameterLength(1),ho=sn(to,to.DEGREES).setParameterLength(1),po=sn(to,to.EXP).setParameterLength(1),go=sn(to,to.EXP2).setParameterLength(1),mo=sn(to,to.LOG).setParameterLength(1),fo=sn(to,to.LOG2).setParameterLength(1),yo=sn(to,to.SQRT).setParameterLength(1),bo=sn(to,to.INVERSE_SQRT).setParameterLength(1),xo=sn(to,to.FLOOR).setParameterLength(1),To=sn(to,to.CEIL).setParameterLength(1),_o=sn(to,to.NORMALIZE).setParameterLength(1),vo=sn(to,to.FRACT).setParameterLength(1),No=sn(to,to.SIN).setParameterLength(1),So=sn(to,to.COS).setParameterLength(1),Ro=sn(to,to.TAN).setParameterLength(1),Ao=sn(to,to.ASIN).setParameterLength(1),Eo=sn(to,to.ACOS).setParameterLength(1),wo=sn(to,to.ATAN).setParameterLength(1,2),Co=sn(to,to.ABS).setParameterLength(1),Mo=sn(to,to.SIGN).setParameterLength(1),Bo=sn(to,to.LENGTH).setParameterLength(1),Po=sn(to,to.NEGATE).setParameterLength(1),Lo=sn(to,to.ONE_MINUS).setParameterLength(1),Fo=sn(to,to.DFDX).setParameterLength(1),Do=sn(to,to.DFDY).setParameterLength(1),Uo=sn(to,to.ROUND).setParameterLength(1),Io=sn(to,to.RECIPROCAL).setParameterLength(1),Oo=sn(to,to.TRUNC).setParameterLength(1),Vo=sn(to,to.FWIDTH).setParameterLength(1),ko=sn(to,to.TRANSPOSE).setParameterLength(1),Go=sn(to,to.DETERMINANT).setParameterLength(1),zo=sn(to,to.INVERSE).setParameterLength(1),$o=sn(to,to.MIN).setParameterLength(2,1/0),Wo=sn(to,to.MAX).setParameterLength(2,1/0),Ho=sn(to,to.STEP).setParameterLength(2),qo=sn(to,to.REFLECT).setParameterLength(2),jo=sn(to,to.DISTANCE).setParameterLength(2),Xo=sn(to,to.DIFFERENCE).setParameterLength(2),Ko=sn(to,to.DOT).setParameterLength(2),Yo=sn(to,to.CROSS).setParameterLength(2),Qo=sn(to,to.POW).setParameterLength(2),Zo=e=>Ba(e,e),Jo=e=>Ba(e,e,e),eu=e=>Ba(e,e,e,e),tu=sn(to,to.TRANSFORM_DIRECTION).setParameterLength(2),ru=e=>Ba(Mo(e),Qo(Co(e),1/3)),su=e=>Ko(e,e),iu=sn(to,to.MIX).setParameterLength(3),nu=(e,t=0,r=1)=>Qi(new to(to.CLAMP,Qi(e),Qi(t),Qi(r))),au=e=>nu(e),ou=sn(to,to.REFRACT).setParameterLength(3),uu=sn(to,to.SMOOTHSTEP).setParameterLength(3),lu=sn(to,to.FACEFORWARD).setParameterLength(3),du=on(([e])=>{const t=Ko(e.xy,yn(12.9898,78.233)),r=La(t,io);return vo(No(r).mul(43758.5453))}),cu=(e,t,r)=>iu(t,r,e),hu=(e,t,r)=>uu(t,r,e),pu=(e,t)=>Ho(t,e),gu=lu,mu=bo;vi("all",uo),vi("any",lo),vi("radians",co),vi("degrees",ho),vi("exp",po),vi("exp2",go),vi("log",mo),vi("log2",fo),vi("sqrt",yo),vi("inverseSqrt",bo),vi("floor",xo),vi("ceil",To),vi("normalize",_o),vi("fract",vo),vi("sin",No),vi("cos",So),vi("tan",Ro),vi("asin",Ao),vi("acos",Eo),vi("atan",wo),vi("abs",Co),vi("sign",Mo),vi("length",Bo),vi("lengthSq",su),vi("negate",Po),vi("oneMinus",Lo),vi("dFdx",Fo),vi("dFdy",Do),vi("round",Uo),vi("reciprocal",Io),vi("trunc",Oo),vi("fwidth",Vo),vi("min",$o),vi("max",Wo),vi("step",pu),vi("reflect",qo),vi("distance",jo),vi("dot",Ko),vi("cross",Yo),vi("pow",Qo),vi("pow2",Zo),vi("pow3",Jo),vi("pow4",eu),vi("transformDirection",tu),vi("mix",cu),vi("clamp",nu),vi("refract",ou),vi("smoothstep",hu),vi("faceForward",lu),vi("difference",Xo),vi("saturate",au),vi("cbrt",ru),vi("transpose",ko),vi("determinant",Go),vi("inverse",zo),vi("rand",du);class fu extends oi{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?Dn(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values."),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values."),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const yu=tn(fu).setParameterLength(2,3);vi("select",yu);class bu extends oi{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const xu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new bu(r,t)},Tu=e=>xu(e,{uniformFlow:!0}),_u=(e,t)=>xu(e,{nodeName:t});function vu(e,t,r=null){return xu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Nu(e,t=null){return xu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Su(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),_u(e,t)}vi("context",xu),vi("label",Su),vi("uniformFlow",Tu),vi("setName",_u),vi("builtinShadowContext",(e,t,r)=>vu(t,r,e)),vi("builtinAOContext",(e,t)=>Nu(t,e));class Ru extends oi{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.');return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Au=tn(Ru),Eu=(e,t=null)=>Au(e,t).toStack(),wu=(e,t=null)=>Au(e,t,!0).toStack(),Cu=e=>Au(e).setIntent(!0).toStack();vi("toVar",Eu),vi("toConst",wu),vi("toVarIntent",Cu);class Mu extends oi{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}getNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const Bu=(e,t,r=null)=>Qi(new Mu(Qi(e),t,r));class Pu extends oi{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=e,this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=Bu(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(Qs.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(Qs.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,Qs.VERTEX);e.flowNodeFromShaderStage(Qs.VERTEX,r.node,i,n),r[t]=n}return e.getPropertyName(s)}}const Lu=tn(Pu).setParameterLength(1,2),Fu=e=>Lu(e);vi("toVarying",Lu),vi("toVertexStage",Fu);const Du=on(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return iu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Uu=on(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return iu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Iu="WorkingColorSpace";class Ou extends di{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Iu?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=Rn(Du(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=Rn(Mn(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=Rn(Uu(i.rgb),i.a)),i):i}}const Vu=(e,t)=>Qi(new Ou(Qi(e),Iu,t)),ku=(e,t)=>Qi(new Ou(Qi(e),t,Iu));vi("workingToColorSpace",Vu),vi("colorSpaceToWorking",ku);let Gu=class extends ui{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class zu extends oi{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=Zs.OBJECT}setGroup(e){return this.group=e,this}element(e){return new Gu(this,Qi(e))}setNodeType(e){const t=Ta(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class $u extends zu{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(ya)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const Wu=(e,t,r=null)=>new $u(e,t,r);class Hu extends di{static get type(){return"ToneMappingNode"}constructor(e,t=ju,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return Is(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Rn(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const qu=(e,t,r)=>Qi(new Hu(e,Qi(t),Qi(r))),ju=Wu("toneMappingExposure","float");vi("toneMapping",(e,t,r)=>qu(t,r,e));const Xu=new WeakMap;function Ku(e,t){let r=Xu.get(e);return void 0===r&&(r=new b(e,t),Xu.set(e,r)),r}class Yu extends fi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?Ku(s.array,i):Ku(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=Lu(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function Qu(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?Mn(new Yu(e,"vec3",9,0).setUsage(i).setInstanced(n),new Yu(e,"vec3",9,3).setUsage(i).setInstanced(n),new Yu(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?Bn(new Yu(e,"vec4",16,0).setUsage(i).setInstanced(n),new Yu(e,"vec4",16,4).setUsage(i).setInstanced(n),new Yu(e,"vec4",16,8).setUsage(i).setInstanced(n),new Yu(e,"vec4",16,12).setUsage(i).setInstanced(n)):new Yu(e,t,r,s).setUsage(i)}const Zu=(e,t=null,r=0,s=0)=>Qu(e,t,r,s),Ju=(e,t=null,r=0,s=0)=>Qu(e,t,r,s,f,!0),el=(e,t=null,r=0,s=0)=>Qu(e,t,r,s,x,!0);vi("toAttribute",e=>Zu(e.value));class tl extends oi{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.version=1,this.name="",this.updateBeforeType=Zs.OBJECT,this.onInitFunction=null}setCount(e){return this.count=e,this}getCount(){return this.count}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const rl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements");for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`)}for(;t.length<3;)t.push(1);return Qi(new tl(Qi(e),t))},sl=(e,t,r)=>rl(e,r).setCount(t);vi("compute",sl),vi("computeKernel",rl);class il extends oi{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const nl=e=>new il(Qi(e));function al(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),nl(e).setParent(t)}vi("cache",al),vi("isolate",nl);class ol extends oi{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const ul=tn(ol).setParameterLength(2);vi("bypass",ul);class ll extends oi{static get type(){return"RemapNode"}constructor(e,t,r,s=pn(0),i=pn(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let a=e.sub(t).div(r.sub(t));return!0===n&&(a=a.clamp()),a.mul(i.sub(s)).add(s)}}const dl=tn(ll,null,null,{doClamp:!1}).setParameterLength(3,5),cl=tn(ll).setParameterLength(3,5);vi("remap",dl),vi("remapClamp",cl);class hl extends oi{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const pl=tn(hl).setParameterLength(1,2),gl=e=>(e?yu(e,pl("discard")):pl("discard")).toStack();vi("discard",gl);class ml extends di{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const fl=(e,t=null,r=null)=>Qi(new ml(Qi(e),t,r));vi("renderOutput",fl);class yl extends di{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}getNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const bl=(e,t=null)=>Qi(new yl(Qi(e),t)).toStack();vi("debug",bl);class xl{constructor(){this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class Tl extends oi{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=Zs.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}getNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==xl&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function _l(e,t="",r=null){return(e=Qi(e)).before(new Tl(e,t,r))}vi("toInspector",_l);class vl extends oi{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Lu(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Nl=(e,t=null)=>new vl(e,t),Sl=(e=0)=>Nl("uv"+(e>0?e:""),"vec2");class Rl extends oi{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Al=tn(Rl).setParameterLength(1,2);class El extends xa{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Zs.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const wl=tn(El).setParameterLength(1),Cl=new N;class Ml extends xa{static get type(){return"TextureNode"}constructor(e=Cl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Zs.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Sl(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=Ta(this.value.matrix)),this._matrixUniform.mul(_n(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=Ta(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(gn(Al(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Error("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().");const s=on(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?Zs.OBJECT:Zs.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;null!==this.compareNode&&(e.renderer.hasCompatibility(A.TEXTURE_COMPARE)?n=this.compareNode:(null!==this.value.compareFunction&&this.value.compareFunction!==E&&v('TSL: Only "LessCompare" is supported for depth texture comparison fallback.'),a=this.compareNode)),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;let d;return d=i?e.generateTextureBias(l,t,r,i,n,u):o?e.generateTextureGrad(l,t,r,o,n,u):a?e.generateTextureCompare(l,t,r,a,n,u):!1===this.sampler?e.generateTextureLoad(l,t,r,s,n,u):s?e.generateTextureLevel(l,t,r,s,n,u):e.generateTexture(l,t,r,n,u),d}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this),a=this.getNodeType(e);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:u,compareNode:l,compareStepNode:d,depthNode:c,gradNode:h,offsetNode:p}=s,g=this.generateUV(e,t),m=r?r.build(e,"float"):null,f=u?u.build(e,"float"):null,y=c?c.build(e,"int"):null,b=l?l.build(e,"float"):null,x=d?d.build(e,"float"):null,T=h?[h[0].build(e,"vec2"),h[1].build(e,"vec2")]:null,_=p?this.generateOffset(e,p):null,v=e.getVarFromNode(this);o=e.getPropertyName(v);let N=this.generateSnippet(e,i,g,m,f,y,b,T,_);null!==x&&(N=Ho(pl(x,"float"),pl(N,a)).build(e,a)),e.addLineFlowCode(`${o} = ${N}`,this),n.snippet=N,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=ku(pl(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=Qi(e),t.referenceNode=this.getBase(),Qi(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=Qi(e).mul(wl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===w||r.magFilter===w)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),Qi(t)}level(e){const t=this.clone();return t.levelNode=Qi(e),t.referenceNode=this.getBase(),Qi(t)}size(e){return Al(this,e)}bias(e){const t=this.clone();return t.biasNode=Qi(e),t.referenceNode=this.getBase(),Qi(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=Qi(e),t.referenceNode=this.getBase(),Qi(t)}grad(e,t){const r=this.clone();return r.gradNode=[Qi(e),Qi(t)],r.referenceNode=this.getBase(),Qi(r)}depth(e){const t=this.clone();return t.depthNode=Qi(e),t.referenceNode=this.getBase(),Qi(t)}offset(e){const t=this.clone();return t.offsetNode=Qi(e),t.referenceNode=this.getBase(),Qi(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}const Bl=tn(Ml).setParameterLength(1,4).setName("texture"),Pl=(e=Cl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=Qi(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=Qi(t)),null!==r&&(i.levelNode=Qi(r)),null!==s&&(i.biasNode=Qi(s))):i=Bl(e,t,r,s),i},Ll=(...e)=>Pl(...e).setSampler(!1);class Fl extends xa{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Dl=(e,t,r)=>new Fl(e,t,r);class Ul extends ui{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class Il extends Fl{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Hs(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Zs.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,super.setup(e)}element(e){return new Ul(this,Qi(e))}}const Ol=(e,t)=>new Il(e,t);const Vl=tn(class extends oi{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}).setParameterLength(1);let kl,Gl;class zl extends oi{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}getNodeType(){return this.scope===zl.DPR?"float":this.scope===zl.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Zs.NONE;return this.scope!==zl.SIZE&&this.scope!==zl.VIEWPORT&&this.scope!==zl.DPR||(e=Zs.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===zl.VIEWPORT?null!==t?Gl.copy(t.viewport):(e.getViewport(Gl),Gl.multiplyScalar(e.getPixelRatio())):this.scope===zl.DPR?this._output.value=e.getPixelRatio():null!==t?(kl.width=t.width,kl.height=t.height):e.getDrawingBufferSize(kl)}setup(){const e=this.scope;let r=null;return r=e===zl.SIZE?Ta(kl||(kl=new t)):e===zl.VIEWPORT?Ta(Gl||(Gl=new s)):e===zl.DPR?Ta(1):yn(ql.div(Hl)),this._output=r,r}generate(e){if(this.scope===zl.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Hl).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}zl.COORDINATE="coordinate",zl.VIEWPORT="viewport",zl.SIZE="size",zl.UV="uv",zl.DPR="dpr";const $l=rn(zl,zl.DPR),Wl=rn(zl,zl.UV),Hl=rn(zl,zl.SIZE),ql=rn(zl,zl.COORDINATE),jl=rn(zl,zl.VIEWPORT),Xl=jl.zw,Kl=ql.sub(jl.xy),Yl=Kl.div(Xl),Ql=on(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.'),Hl),"vec2").once()(),Zl=Ta(0,"uint").setName("u_cameraIndex").setGroup(ma("cameraIndex")).toVarying("v_cameraIndex"),Jl=Ta("float").setName("cameraNear").setGroup(ya).onRenderUpdate(({camera:e})=>e.near),ed=Ta("float").setName("cameraFar").setGroup(ya).onRenderUpdate(({camera:e})=>e.far),td=on(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);t=Ol(r).setGroup(ya).setName("cameraProjectionMatrices").element(e.isMultiViewCamera?Vl("gl_ViewID_OVR"):Zl).toConst("cameraProjectionMatrix")}else t=Ta("mat4").setName("cameraProjectionMatrix").setGroup(ya).onRenderUpdate(({camera:e})=>e.projectionMatrix);return t}).once()(),rd=on(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);t=Ol(r).setGroup(ya).setName("cameraProjectionMatricesInverse").element(e.isMultiViewCamera?Vl("gl_ViewID_OVR"):Zl).toConst("cameraProjectionMatrixInverse")}else t=Ta("mat4").setName("cameraProjectionMatrixInverse").setGroup(ya).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse);return t}).once()(),sd=on(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);t=Ol(r).setGroup(ya).setName("cameraViewMatrices").element(e.isMultiViewCamera?Vl("gl_ViewID_OVR"):Zl).toConst("cameraViewMatrix")}else t=Ta("mat4").setName("cameraViewMatrix").setGroup(ya).onRenderUpdate(({camera:e})=>e.matrixWorldInverse);return t}).once()(),id=on(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);t=Ol(r).setGroup(ya).setName("cameraWorldMatrices").element(e.isMultiViewCamera?Vl("gl_ViewID_OVR"):Zl).toConst("cameraWorldMatrix")}else t=Ta("mat4").setName("cameraWorldMatrix").setGroup(ya).onRenderUpdate(({camera:e})=>e.matrixWorld);return t}).once()(),nd=on(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);t=Ol(r).setGroup(ya).setName("cameraNormalMatrices").element(e.isMultiViewCamera?Vl("gl_ViewID_OVR"):Zl).toConst("cameraNormalMatrix")}else t=Ta("mat3").setName("cameraNormalMatrix").setGroup(ya).onRenderUpdate(({camera:e})=>e.normalMatrix);return t}).once()(),ad=on(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);const i=Ol(s).setGroup(ya).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)});t=i.element(e.isMultiViewCamera?Vl("gl_ViewID_OVR"):Zl).toConst("cameraPosition")}else t=Ta(new r).setName("cameraPosition").setGroup(ya).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld));return t}).once()(),od=on(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);t=Ol(r,"vec4").setGroup(ya).setName("cameraViewports").element(Zl).toConst("cameraViewport")}else t=Rn(0,0,Hl.x,Hl.y).toConst("cameraViewport");return t}).once()(),ud=new C;class ld extends oi{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Zs.OBJECT,this.uniformNode=new xa(null)}getNodeType(){const e=this.scope;return e===ld.WORLD_MATRIX?"mat4":e===ld.POSITION||e===ld.VIEW_POSITION||e===ld.DIRECTION||e===ld.SCALE?"vec3":e===ld.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===ld.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===ld.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===ld.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===ld.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===ld.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===ld.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),ud.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=ud.radius}}generate(e){const t=this.scope;return t===ld.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===ld.POSITION||t===ld.VIEW_POSITION||t===ld.DIRECTION||t===ld.SCALE?this.uniformNode.nodeType="vec3":t===ld.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}ld.WORLD_MATRIX="worldMatrix",ld.POSITION="position",ld.SCALE="scale",ld.VIEW_POSITION="viewPosition",ld.DIRECTION="direction",ld.RADIUS="radius";const dd=tn(ld,ld.DIRECTION).setParameterLength(1),cd=tn(ld,ld.WORLD_MATRIX).setParameterLength(1),hd=tn(ld,ld.POSITION).setParameterLength(1),pd=tn(ld,ld.SCALE).setParameterLength(1),gd=tn(ld,ld.VIEW_POSITION).setParameterLength(1),md=tn(ld,ld.RADIUS).setParameterLength(1);class fd extends ld{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const yd=rn(fd,fd.DIRECTION),bd=rn(fd,fd.WORLD_MATRIX),xd=rn(fd,fd.POSITION),Td=rn(fd,fd.SCALE),_d=rn(fd,fd.VIEW_POSITION),vd=rn(fd,fd.RADIUS),Nd=Ta(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),Sd=Ta(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),Rd=on(e=>e.context.modelViewMatrix||Ad).once()().toVar("modelViewMatrix"),Ad=sd.mul(bd),Ed=on(e=>(e.context.isHighPrecisionModelViewMatrix=!0,Ta("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),wd=on(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return Ta("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),Cd=on(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),Rn()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),Md=Nl("position","vec3"),Bd=Md.toVarying("positionLocal"),Pd=Md.toVarying("positionPrevious"),Ld=on(e=>"fragment"===e.shaderStage&&e.material.vertexNode?id.mul(Dd).xyz.toVar("positionWorld"):bd.mul(Bd).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),Fd=on(()=>Bd.transformDirection(bd).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Dd=on(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=rd.mul(Cd);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION"])(),Ud=on(e=>{let t;return t=e.camera.isOrthographicCamera?_n(0,0,1):Dd.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class Id extends oi{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===M?"false":e.getFrontFacing()}}const Od=rn(Id),Vd=pn(Od).mul(2).sub(1),kd=on(([e],{material:t})=>{const r=t.side;return r===M?e=e.mul(-1):r===B&&(e=e.mul(Vd)),e}),Gd=Nl("normal","vec3"),zd=on(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),_n(0,1,0)):Gd,"vec3").once()().toVar("normalLocal"),$d=Dd.dFdx().cross(Dd.dFdy()).normalize().toVar("normalFlat"),Wd=on(e=>{let t;return t=!0===e.material.flatShading?$d:Yd(zd).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),Hd=on(e=>{let t=Wd.transformDirection(sd);return!0!==e.material.flatShading&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),qd=on(({subBuildFn:e,material:t,context:r})=>{let s;return"NORMAL"===e||"VERTEX"===e?(s=Wd,!0!==t.flatShading&&(s=kd(s))):s=r.setupNormal().context({getUV:null}),s},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),jd=qd.transformDirection(sd).toVar("normalWorld"),Xd=on(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?qd:t.setupClearcoatNormal().context({getUV:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),Kd=on(([e,t=bd])=>{const r=Mn(t),s=e.div(_n(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz}),Yd=on(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return r.transformDirection(e);const s=Nd.mul(e);return sd.transformDirection(s)}),Qd=on(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),qd)).once(["NORMAL","VERTEX"])(),Zd=on(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),jd)).once(["NORMAL","VERTEX"])(),Jd=on(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),Xd)).once(["NORMAL","VERTEX"])(),ec=new P,tc=new a,rc=Ta(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),sc=Ta(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),ic=Ta(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?(ec.copy(r),tc.makeRotationFromEuler(ec)):tc.identity(),tc}),nc=Ud.negate().reflect(qd),ac=Ud.negate().refract(qd,rc),oc=nc.transformDirection(sd).toVar("reflectVector"),uc=ac.transformDirection(sd).toVar("reflectVector"),lc=new L;class dc extends Ml{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===F?oc:e.mapping===D?uc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),_n(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?_n(t.x,t.y.negate(),t.z):t:(e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=_n(t.x.negate(),t.yz)),ic.mul(t))}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const cc=tn(dc).setParameterLength(1,4).setName("cubeTexture"),hc=(e=lc,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=Qi(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=Qi(t)),null!==r&&(i.levelNode=Qi(r)),null!==s&&(i.biasNode=Qi(s))):i=cc(e,t,r,s),i};class pc extends ui{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class gc extends oi{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=Zs.OBJECT}element(e){return new pc(this,Qi(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?Dl(null,e,this.count):Array.isArray(this.getValueFromReference())?Ol(null,e):"texture"===e?Pl(null):"cubeTexture"===e?hc(null):Ta(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const mc=(e,t,r)=>new gc(e,t,r),fc=(e,t,r,s)=>new gc(e,t,s,r);class yc extends gc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const bc=(e,t,r=null)=>new yc(e,t,r),xc=Sl(),Tc=Dd.dFdx(),_c=Dd.dFdy(),vc=xc.dFdx(),Nc=xc.dFdy(),Sc=qd,Rc=_c.cross(Sc),Ac=Sc.cross(Tc),Ec=Rc.mul(vc.x).add(Ac.mul(Nc.x)),wc=Rc.mul(vc.y).add(Ac.mul(Nc.y)),Cc=Ec.dot(Ec).max(wc.dot(wc)),Mc=Cc.equal(0).select(0,Cc.inverseSqrt()),Bc=Ec.mul(Mc).toVar("tangentViewFrame"),Pc=wc.mul(Mc).toVar("bitangentViewFrame"),Lc=Nl("tangent","vec4"),Fc=Lc.xyz.toVar("tangentLocal"),Dc=on(({subBuildFn:e,geometry:t,material:r})=>{let s;return s="VERTEX"===e||t.hasAttribute("tangent")?Rd.mul(Rn(Fc,0)).xyz.toVarying("v_tangentView").normalize():Bc,!0!==r.flatShading&&(s=kd(s)),s},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),Uc=Dc.transformDirection(sd).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),Ic=on(([e,t],{subBuildFn:r,material:s})=>{let i=e.mul(Lc.w).xyz;return"NORMAL"===r&&!0!==s.flatShading&&(i=i.toVarying(t)),i}).once(["NORMAL"]),Oc=Ic(Gd.cross(Lc),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Vc=Ic(zd.cross(Fc),"v_bitangentLocal").normalize().toVar("bitangentLocal"),kc=on(({subBuildFn:e,geometry:t,material:r})=>{let s;return s="VERTEX"===e||t.hasAttribute("tangent")?Ic(qd.cross(Dc),"v_bitangentView").normalize():Pc,!0!==r.flatShading&&(s=kd(s)),s},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),Gc=Ic(jd.cross(Uc),"v_bitangentWorld").normalize().toVar("bitangentWorld"),zc=Mn(Dc,kc,qd).toVar("TBNViewMatrix"),$c=Ud.mul(zc),Wc=on(()=>{let e=Zn.cross(Ud);return e=e.cross(Zn).normalize(),e=iu(e,qd,Yn.mul(kn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),Hc=e=>Qi(e).mul(.5).add(.5),qc=e=>_n(e,yo(au(pn(1).sub(Ko(e,e)))));class jc extends di{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=U,this.unpackNormalMode=I}setup({material:e}){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===U?s===O?i=qc(i.xy):s===V?i=qc(i.yw):s!==I&&console.error(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==I&&console.error(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.flatShading&&(t=kd(t)),i=_n(i.xy.mul(t),i.z)}let n=null;return t===k?n=Yd(i):t===U?n=zc.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=qd),n}}const Xc=tn(jc).setParameterLength(1,2),Kc=on(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||Sl()),forceUVContext:!0}),s=pn(r(e=>e));return yn(pn(r(e=>e.add(e.dFdx()))).sub(s),pn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),Yc=on(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(Vd),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class Qc extends di{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=Kc({textureNode:this.textureNode,bumpScale:e});return Yc({surf_pos:Dd,surf_norm:qd,dHdxy:t})}}const Zc=tn(Qc).setParameterLength(1,2),Jc=new Map;class eh extends oi{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=Jc.get(e);return void 0===r&&(r=bc(e,t),Jc.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===eh.COLOR){const e=void 0!==t.color?this.getColor(r):_n();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===eh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===eh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:pn(1);else if(r===eh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===eh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===eh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===eh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===eh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===eh.NORMAL)t.normalMap?(s=Xc(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=G&&t.normalMap.format!=z&&t.normalMap.format!=$||(s.unpackNormalMode=O)):s=t.bumpMap?Zc(this.getTexture("bump").r,this.getFloat("bumpScale")):qd;else if(r===eh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===eh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===eh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?Xc(this.getTexture(r),this.getCache(r+"Scale","vec2")):qd;else if(r===eh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===eh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===eh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Cn(Oh.x,Oh.y,Oh.y.negate(),Oh.x).mul(e.rg.mul(2).sub(yn(1)).normalize().mul(e.b))}else s=Oh;else if(r===eh.IRIDESCENCE_THICKNESS){const e=mc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=mc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===eh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===eh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===eh.IOR)s=this.getFloat(r);else if(r===eh.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===eh.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else if(r===eh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):pn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}eh.ALPHA_TEST="alphaTest",eh.COLOR="color",eh.OPACITY="opacity",eh.SHININESS="shininess",eh.SPECULAR="specular",eh.SPECULAR_STRENGTH="specularStrength",eh.SPECULAR_INTENSITY="specularIntensity",eh.SPECULAR_COLOR="specularColor",eh.REFLECTIVITY="reflectivity",eh.ROUGHNESS="roughness",eh.METALNESS="metalness",eh.NORMAL="normal",eh.CLEARCOAT="clearcoat",eh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",eh.CLEARCOAT_NORMAL="clearcoatNormal",eh.EMISSIVE="emissive",eh.ROTATION="rotation",eh.SHEEN="sheen",eh.SHEEN_ROUGHNESS="sheenRoughness",eh.ANISOTROPY="anisotropy",eh.IRIDESCENCE="iridescence",eh.IRIDESCENCE_IOR="iridescenceIOR",eh.IRIDESCENCE_THICKNESS="iridescenceThickness",eh.IOR="ior",eh.TRANSMISSION="transmission",eh.THICKNESS="thickness",eh.ATTENUATION_DISTANCE="attenuationDistance",eh.ATTENUATION_COLOR="attenuationColor",eh.LINE_SCALE="scale",eh.LINE_DASH_SIZE="dashSize",eh.LINE_GAP_SIZE="gapSize",eh.LINE_WIDTH="linewidth",eh.LINE_DASH_OFFSET="dashOffset",eh.POINT_SIZE="size",eh.DISPERSION="dispersion",eh.LIGHT_MAP="light",eh.AO="ao";const th=rn(eh,eh.ALPHA_TEST),rh=rn(eh,eh.COLOR),sh=rn(eh,eh.SHININESS),ih=rn(eh,eh.EMISSIVE),nh=rn(eh,eh.OPACITY),ah=rn(eh,eh.SPECULAR),oh=rn(eh,eh.SPECULAR_INTENSITY),uh=rn(eh,eh.SPECULAR_COLOR),lh=rn(eh,eh.SPECULAR_STRENGTH),dh=rn(eh,eh.REFLECTIVITY),ch=rn(eh,eh.ROUGHNESS),hh=rn(eh,eh.METALNESS),ph=rn(eh,eh.NORMAL),gh=rn(eh,eh.CLEARCOAT),mh=rn(eh,eh.CLEARCOAT_ROUGHNESS),fh=rn(eh,eh.CLEARCOAT_NORMAL),yh=rn(eh,eh.ROTATION),bh=rn(eh,eh.SHEEN),xh=rn(eh,eh.SHEEN_ROUGHNESS),Th=rn(eh,eh.ANISOTROPY),_h=rn(eh,eh.IRIDESCENCE),vh=rn(eh,eh.IRIDESCENCE_IOR),Nh=rn(eh,eh.IRIDESCENCE_THICKNESS),Sh=rn(eh,eh.TRANSMISSION),Rh=rn(eh,eh.THICKNESS),Ah=rn(eh,eh.IOR),Eh=rn(eh,eh.ATTENUATION_DISTANCE),wh=rn(eh,eh.ATTENUATION_COLOR),Ch=rn(eh,eh.LINE_SCALE),Mh=rn(eh,eh.LINE_DASH_SIZE),Bh=rn(eh,eh.LINE_GAP_SIZE),Ph=rn(eh,eh.LINE_WIDTH),Lh=rn(eh,eh.LINE_DASH_OFFSET),Fh=rn(eh,eh.POINT_SIZE),Dh=rn(eh,eh.DISPERSION),Uh=rn(eh,eh.LIGHT_MAP),Ih=rn(eh,eh.AO),Oh=Ta(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),Vh=on(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class kh extends ui{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Gh=tn(kh).setParameterLength(2);class zh extends Fl{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStruct?(s="struct",i=t.layout,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=ks(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ei.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Gh(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ei.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=Zu(this.value),this._varying=Lu(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const $h=(e,t=null,r=0)=>new zh(e,t,r);class Wh extends oi{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===Wh.VERTEX)s=e.getVertexIndex();else if(r===Wh.INSTANCE)s=e.getInstanceIndex();else if(r===Wh.DRAW)s=e.getDrawIndex();else if(r===Wh.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===Wh.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==Wh.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Lu(this).build(e,t)}return i}}Wh.VERTEX="vertex",Wh.INSTANCE="instance",Wh.SUBGROUP="subgroup",Wh.INVOCATION_LOCAL="invocationLocal",Wh.INVOCATION_SUBGROUP="invocationSubgroup",Wh.DRAW="draw";const Hh=rn(Wh,Wh.VERTEX),qh=rn(Wh,Wh.INSTANCE),jh=rn(Wh,Wh.SUBGROUP),Xh=rn(Wh,Wh.INVOCATION_SUBGROUP),Kh=rn(Wh,Wh.INVOCATION_LOCAL),Yh=rn(Wh,Wh.DRAW);class Qh extends oi{static get type(){return"InstanceNode"}constructor(e,t,r=null){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Zs.FRAME,this.buffer=null,this.bufferColor=null,this.previousInstanceMatrixNode=null}get isStorageMatrix(){const{instanceMatrix:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}get isStorageColor(){const{instanceColor:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}setup(e){let{instanceMatrixNode:t,instanceColorNode:r}=this;null===t&&(t=this._createInstanceMatrixNode(!0,e),this.instanceMatrixNode=t);const{instanceColor:s,isStorageColor:i}=this;if(s&&null===r){if(i)r=$h(s,"vec3",Math.max(s.count,1)).element(qh);else{const e=new W(s.array,3),t=s.usage===x?el:Ju;this.bufferColor=e,r=_n(t(e,"vec3",3,0))}this.instanceColorNode=r}const n=t.mul(Bd).xyz;if(Bd.assign(n),e.needsPreviousData()&&Pd.assign(this.getPreviousInstancedPosition(e)),e.hasGeometryAttribute("normal")){const e=Kd(zd,t);zd.assign(e)}null!==this.instanceColorNode&&Un("vec3","vInstanceColor").assign(this.instanceColorNode)}update(e){null!==this.buffer&&!0!==this.isStorageMatrix&&(this.buffer.clearUpdateRanges(),this.buffer.updateRanges.push(...this.instanceMatrix.updateRanges),this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version)),this.instanceColor&&null!==this.bufferColor&&!0!==this.isStorageColor&&(this.bufferColor.clearUpdateRanges(),this.bufferColor.updateRanges.push(...this.instanceColor.updateRanges),this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)),null!==this.previousInstanceMatrixNode&&e.object.previousInstanceMatrix.array.set(this.instanceMatrix.array)}getPreviousInstancedPosition(e){const t=e.object;return null===this.previousInstanceMatrixNode&&(t.previousInstanceMatrix=this.instanceMatrix.clone(),this.previousInstanceMatrixNode=this._createInstanceMatrixNode(!1,e)),this.previousInstanceMatrixNode.mul(Pd).xyz}_createInstanceMatrixNode(e,t){let r;const{instanceMatrix:s}=this,{count:i}=s;if(this.isStorageMatrix)r=$h(s,"mat4",Math.max(i,1)).element(qh);else{if(i<=(!0===t.renderer.backend.isWebGPUBackend?1e3:250))r=Dl(s.array,"mat4",Math.max(i,1)).element(qh);else{const t=new H(s.array,16,1);!0===e&&(this.buffer=t);const i=s.usage===x?el:Ju,n=[i(t,"vec4",16,0),i(t,"vec4",16,4),i(t,"vec4",16,8),i(t,"vec4",16,12)];r=Bn(...n)}}return r}}const Zh=tn(Qh).setParameterLength(2,3);class Jh extends Qh{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const ep=tn(Jh).setParameterLength(1);class tp extends oi{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=qh:this.batchingIdNode=Yh);const t=on(([e])=>{const t=gn(Al(Ll(this.batchMesh._indirectTexture),0).x).toConst(),r=gn(e).mod(t).toConst(),s=gn(e).div(t).toConst();return Ll(this.batchMesh._indirectTexture,bn(r,s)).x}).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(gn(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=gn(Al(Ll(s),0).x).toConst(),n=pn(r).mul(4).toInt().toConst(),a=n.mod(i).toConst(),o=n.div(i).toConst(),u=Bn(Ll(s,bn(a,o)),Ll(s,bn(a.add(1),o)),Ll(s,bn(a.add(2),o)),Ll(s,bn(a.add(3),o))),l=this.batchMesh._colorsTexture;if(null!==l){const e=on(([e])=>{const t=gn(Al(Ll(l),0).x).toConst(),r=e,s=r.mod(t).toConst(),i=r.div(t).toConst();return Ll(l,bn(s,i)).rgb}).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);Un("vec3","vBatchColor").assign(t)}const d=Mn(u);Bd.assign(u.mul(Bd));const c=zd.div(_n(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;zd.assign(h),e.hasGeometryAttribute("tangent")&&Fc.mulAssign(d)}}const rp=tn(tp).setParameterLength(1),sp=new WeakMap;class ip extends oi{static get type(){return"SkinningNode"}constructor(e){super("void"),this.skinnedMesh=e,this.updateType=Zs.OBJECT,this.skinIndexNode=Nl("skinIndex","uvec4"),this.skinWeightNode=Nl("skinWeight","vec4"),this.bindMatrixNode=mc("bindMatrix","mat4"),this.bindMatrixInverseNode=mc("bindMatrixInverse","mat4"),this.boneMatricesNode=fc("skeleton.boneMatrices","mat4",e.skeleton.bones.length),this.positionNode=Bd,this.toPositionNode=Bd,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=this.positionNode){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,a=e.element(r.x),o=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Ca(a.mul(s.x).mul(d),o.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormal(e=this.boneMatricesNode,t=zd){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,a=e.element(r.x),o=e.element(r.y),u=e.element(r.z),l=e.element(r.w);let d=Ca(s.x.mul(a),s.y.mul(o),s.z.mul(u),s.w.mul(l));return d=n.mul(d).mul(i),d.transformDirection(t).xyz}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=fc("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,Pd)}setup(e){e.needsPreviousData()&&Pd.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(this.toPositionNode&&this.toPositionNode.assign(t),e.hasGeometryAttribute("normal")){const t=this.getSkinnedNormal();zd.assign(t),e.hasGeometryAttribute("tangent")&&Fc.assign(t)}return t}generate(e,t){if("void"!==t)return super.generate(e,t)}update(e){const t=e.object&&e.object.skeleton?e.object.skeleton:this.skinnedMesh.skeleton;sp.get(t)!==e.frameId&&(sp.set(t,e.frameId),null!==this.previousBoneMatricesNode&&(null===t.previousBoneMatrices&&(t.previousBoneMatrices=new Float32Array(t.boneMatrices)),t.previousBoneMatrices.set(t.boneMatrices)),t.update())}}const np=e=>new ip(e);class ap extends oi{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=pl(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=on(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number."),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const op=(...e)=>new ap(en(e,"int")).toStack(),up=()=>pl("break").toStack(),lp=new WeakMap,dp=new s,cp=on(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=gn(Hh).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return Ll(e,bn(u,o)).depth(i).xyz.mul(t)});class hp extends oi{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=Ta(1),this.updateType=Zs.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0,{texture:o,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=lp.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new q(m,h,p,a);f.type=j,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(dp.fromBufferAttribute(T,S),m[N+R+0]=dp.x,m[N+R+1]=dp.y,m[N+R+2]=dp.z,m[N+R+3]=0),!0===s&&(dp.fromBufferAttribute(_,S),m[N+R+4]=dp.x,m[N+R+5]=dp.y,m[N+R+6]=dp.z,m[N+R+7]=0),!0===i&&(dp.fromBufferAttribute(v,S),m[N+R+8]=dp.x,m[N+R+9]=dp.y,m[N+R+10]=dp.z,m[N+R+11]=4===v.itemSize?dp.w:1)}}function b(){f.dispose(),lp.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},lp.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&Bd.mulAssign(this.morphBaseInfluence),!0===i&&zd.mulAssign(this.morphBaseInfluence);const d=gn(l.width);op(a,({i:e})=>{const t=pn(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Ll(this.mesh.morphTexture,bn(gn(e).add(1),gn(qh))).r):t.assign(mc("morphTargetInfluences","float").element(e).toVar()),dn(t.notEqual(0),()=>{!0===s&&Bd.addAssign(cp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:gn(0)})),!0===i&&zd.addAssign(cp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:gn(1)}))})})}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce((e,t)=>e+t,0)}}const pp=tn(hp).setParameterLength(1);class gp extends oi{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class mp extends gp{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class fp extends bu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:_n().toVar("directDiffuse"),directSpecular:_n().toVar("directSpecular"),indirectDiffuse:_n().toVar("indirectDiffuse"),indirectSpecular:_n().toVar("indirectSpecular")};return{radiance:_n().toVar("radiance"),irradiance:_n().toVar("irradiance"),iblIrradiance:_n().toVar("iblIrradiance"),ambientOcclusion:pn(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const yp=tn(fp);class bp extends gp{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const xp=new t;class Tp extends Ml{static get type(){return"ViewportTextureNode"}constructor(e=Wl,t=null,r=null){let s=null;null===r?(s=new X,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=Zs.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer.getRenderTarget();return this.value=this.getTextureForReference(t),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget();null===r?t.getDrawingBufferSize(xp):xp.set(r.width,r.height);const s=this.getTextureForReference(r);s.image.width===xp.width&&s.image.height===xp.height||(s.image.width=xp.width,s.image.height=xp.height,s.needsUpdate=!0);const i=s.generateMipmaps;s.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(s),s.generateMipmaps=i}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const _p=tn(Tp).setParameterLength(0,3),vp=tn(Tp,null,null,{generateMipmaps:!0}).setParameterLength(0,3),Np=vp(),Sp=(e=Wl,t=null)=>Np.sample(e,t);let Rp=null;class Ap extends Tp{static get type(){return"ViewportDepthTextureNode"}constructor(e=Wl,t=null){null===Rp&&(Rp=new Y),super(e,t,Rp)}getTextureForReference(){return Rp}}const Ep=tn(Ap).setParameterLength(0,2);class wp extends oi{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===wp.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===wp.DEPTH_BASE)null!==r&&(s=Lp().assign(r));else if(t===wp.DEPTH)s=e.isPerspectiveCamera?Mp(Dd.z,Jl,ed):Cp(Dd.z,Jl,ed);else if(t===wp.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Bp(r,Jl,ed);s=Cp(e,Jl,ed)}else s=r;else s=Cp(Dd.z,Jl,ed);return s}}wp.DEPTH_BASE="depthBase",wp.DEPTH="depth",wp.LINEAR_DEPTH="linearDepth";const Cp=(e,t,r)=>e.add(t).div(t.sub(r)),Mp=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Bp=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),Pp=(e,t,r)=>{t=t.max(1e-6).toVar();const s=fo(e.negate().div(t)),i=fo(r.div(t));return s.div(i)},Lp=tn(wp,wp.DEPTH_BASE),Fp=rn(wp,wp.DEPTH),Dp=tn(wp,wp.LINEAR_DEPTH).setParameterLength(0,1),Up=Dp(Ep());Fp.assign=e=>Lp(e);class Ip extends oi{static get type(){return"ClippingNode"}constructor(e=Ip.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===Ip.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===Ip.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return on(()=>{const r=pn().toVar("distanceToPlane"),s=pn().toVar("distanceToGradient"),i=pn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=Ol(t).setGroup(ya);op(n,({i:t})=>{const n=e.element(t);r.assign(Dd.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(uu(s.negate(),s,r))})}const a=e.length;if(a>0){const t=Ol(e).setGroup(ya),n=pn(1).toVar("intersectionClipOpacity");op(a,({i:e})=>{const i=t.element(e);r.assign(Dd.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(uu(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}In.a.mulAssign(i),In.a.equal(0).discard()})()}setupDefault(e,t){return on(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=Ol(t).setGroup(ya);op(r,({i:t})=>{const r=e.element(t);Dd.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=Ol(e).setGroup(ya),r=fn(!0).toVar("clipped");op(s,({i:e})=>{const s=t.element(e);r.assign(Dd.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),on(()=>{const s=Ol(e).setGroup(ya),i=Vl(t.getClipDistance());op(r,({i:e})=>{const t=s.element(e),r=Dd.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}Ip.ALPHA_TO_COVERAGE="alphaToCoverage",Ip.DEFAULT="default",Ip.HARDWARE="hardware";const Op=on(([e])=>vo(Ba(1e4,No(Ba(17,e.x).add(Ba(.1,e.y)))).mul(Ca(.1,Co(No(Ba(13,e.y).add(e.x))))))),Vp=on(([e])=>Op(yn(Op(e.xy),e.z))),kp=on(([e])=>{const t=Wo(Bo(Fo(e.xyz)),Bo(Do(e.xyz))),r=pn(1).div(pn(.05).mul(t)).toVar("pixScale"),s=yn(go(xo(fo(r))),go(To(fo(r)))),i=yn(Vp(xo(s.x.mul(e.xyz))),Vp(xo(s.y.mul(e.xyz)))),n=vo(fo(r)),a=Ca(Ba(n.oneMinus(),i.x),Ba(n,i.y)),o=$o(n,n.oneMinus()),u=_n(a.mul(a).div(Ba(2,o).mul(Ma(1,o))),a.sub(Ba(.5,o)).div(Ma(1,o)),Ma(1,Ma(1,a).mul(Ma(1,a)).div(Ba(2,o).mul(Ma(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return nu(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class Gp extends vl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const zp=(e=0)=>new Gp(e),$p=on(([e,t])=>$o(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Wp=on(([e,t])=>$o(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Hp=on(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),qp=on(([e,t])=>iu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),Ho(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),jp=on(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Rn(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),Xp=on(([e])=>Rn(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),Kp=on(([e])=>(dn(e.a.equal(0),()=>Rn(0)),Rn(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class Yp extends Q{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null,Object.defineProperty(this,"shadowPositionNode",{get:()=>this.receivedShadowPositionNode,set:e=>{d('NodeMaterial: ".shadowPositionNode" was renamed to ".receivedShadowPositionNode".'),this.receivedShadowPositionNode=e}})}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Ds(t.slice(0,-4)),r.getCacheKey());return this.type+Us(e)}build(e){this.setup(e)}setupObserver(e){return new Ls(e)}setup(e){e.context.setupNormal=()=>Bu(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();!0===t.contextNode.isContextNode?e.context={...e.context,...t.contextNode.getFlowContextData()}:o('NodeMaterial: "renderer.contextNode" must be an instance of `context()`.'),null!==this.contextNode&&(!0===this.contextNode.isContextNode?e.context={...e.context,...this.contextNode.getFlowContextData()}:o('NodeMaterial: "material.contextNode" must be an instance of `context()`.')),e.addStack();const s=Bu(this.setupVertex(e),"VERTEX"),i=this.vertexNode||s;let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=Rn(s,In.a).max(0);n=this.setupOutput(e,i),sa.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&sa.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=Rn(t)),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new Ip(Ip.ALPHA_TO_COVERAGE):e.stack.addToStack(new Ip)}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new Ip(Ip.HARDWARE)),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Pp(Dd.z,Jl,ed):Cp(Dd.z,Jl,ed))}null!==s&&Fp.assign(s).toStack()}setupPositionView(){return Rd.mul(Bd).xyz}setupModelViewProjection(){return td.mul(Dd)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),Vh}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&pp(t).toStack(),!0===t.isSkinnedMesh&&np(t).toStack(),this.displacementMap){const e=bc("displacementMap","texture"),t=bc("displacementScale","float"),r=bc("displacementBias","float");Bd.addAssign(zd.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&rp(t).toStack(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&ep(t).toStack(),null!==this.positionNode&&Bd.assign(Bu(this.positionNode,"POSITION","vec3")),Bd}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&fn(this.maskNode).not().discard();let s=this.colorNode?Rn(this.colorNode):rh;if(!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(zp())),t.instanceColor){s=Un("vec3","vInstanceColor").mul(s)}if(t.isBatchedMesh&&t._colorsTexture){s=Un("vec3","vBatchColor").mul(s)}In.assign(s);const i=this.opacityNode?pn(this.opacityNode):nh;In.a.assign(In.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?pn(this.alphaTestNode):th,!0===this.alphaToCoverage?(In.a=uu(n,n.add(Vo(In.a)),In.a),In.a.lessThanEqual(0).discard()):In.a.lessThanEqual(n).discard()),!0===this.alphaHash&&In.a.lessThan(kp(Bd)).discard(),e.isOpaque()&&In.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?_n(0):In.rgb}setupNormal(){return this.normalNode?_n(this.normalNode):ph}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?bc("envMap","cubeTexture"):bc("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new bp(Uh)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);s&&s.isLightingNode&&t.push(s);let i=this.aoNode;null===i&&e.material.aoMap&&(i=Ih),e.context.getAO&&(i=e.context.getAO(i,e)),i&&t.push(new mp(i));let n=this.lightsNode||e.lightsNode;return t.length>0&&(n=e.renderer.lighting.createNode([...n.getLights(),...t])),n}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let a=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e)||null;a=yp(n,t,r,s)}else null!==r&&(a=_n(null!==s?iu(a,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(Vn.assign(_n(i||ih)),a=a.add(Vn)),a}setupFog(e,t){const r=e.fogNode;return r&&(sa.assign(t),t=Rn(r.toVar())),t}setupPremultipliedAlpha(e,t){return Xp(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=Q.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const Qp=new Z;class Zp extends Yp{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(Qp),this.setValues(e)}}const Jp=new J;class eg extends Yp{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(Jp),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?pn(this.offsetNode):Lh,t=this.dashScaleNode?pn(this.dashScaleNode):Ch,r=this.dashSizeNode?pn(this.dashSizeNode):Mh,s=this.gapSizeNode?pn(this.gapSizeNode):Bh;ia.assign(r),na.assign(s);const i=Lu(Nl("lineDistance").mul(t));(e?i.add(e):i).mod(ia.add(na)).greaterThan(ia).discard()}}const tg=new J;class rg extends Yp{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(tg),this.useColor=e.vertexColors,this.dashOffset=0,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=ee,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.useColor,i=this._useDash,n=this._useWorldUnits,a=on(({start:e,end:t})=>{const r=td.element(2).element(2),s=td.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return Rn(iu(e.xyz,t.xyz,s),t.w)}).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=on(()=>{const e=Nl("instanceStart"),t=Nl("instanceEnd"),r=Rn(Rd.mul(Rn(e,1))).toVar("start"),s=Rn(Rd.mul(Rn(t,1))).toVar("end");if(i){const e=this.dashScaleNode?pn(this.dashScaleNode):Ch,t=this.offsetNode?pn(this.offsetNode):Lh,r=Nl("instanceDistanceStart"),s=Nl("instanceDistanceEnd");let i=Md.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),Un("float","lineDistance").assign(i)}n&&(Un("vec3","worldStart").assign(r.xyz),Un("vec3","worldEnd").assign(s.xyz));const o=jl.z.div(jl.w),u=td.element(2).element(3).equal(-1);dn(u,()=>{dn(r.z.lessThan(0).and(s.z.greaterThan(0)),()=>{s.assign(a({start:r,end:s}))}).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),()=>{r.assign(a({start:s,end:r}))})});const l=td.mul(r),d=td.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(o)),p.assign(p.normalize());const g=Rn().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=iu(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),a=e.cross(n),o=Un("vec4","worldPos");o.assign(Md.y.lessThan(.5).select(r,s));const u=Ph.mul(.5);o.addAssign(Rn(Md.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(o.addAssign(Rn(Md.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),o.addAssign(Rn(a.mul(u),0)),dn(Md.y.greaterThan(1).or(Md.y.lessThan(0)),()=>{o.subAssign(Rn(a.mul(2).mul(u),0))})),g.assign(td.mul(o));const l=_n().toVar();l.assign(Md.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=yn(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(o)),e.x.assign(e.x.div(o)),e.assign(Md.x.lessThan(0).select(e.negate(),e)),dn(Md.y.lessThan(0),()=>{e.assign(e.sub(p))}).ElseIf(Md.y.greaterThan(1),()=>{e.assign(e.add(p))}),e.assign(e.mul(Ph)),e.assign(e.div(jl.w.div($l))),g.assign(Md.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(Rn(e,0,0)))}return g})();const o=on(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return yn(h,p)});if(this.colorNode=on(()=>{const e=Sl();if(i){const t=this.dashSizeNode?pn(this.dashSizeNode):Mh,r=this.gapSizeNode?pn(this.gapSizeNode):Bh;ia.assign(t),na.assign(r);const s=Un("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(ia.add(na)).greaterThan(ia).discard()}const a=pn(1).toVar("alpha");if(n){const e=Un("vec3","worldStart"),s=Un("vec3","worldEnd"),n=Un("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=o({p1:e,p2:s,p3:_n(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Ph);if(!i)if(r&&t.currentSamples>0){const e=h.fwidth();a.assign(uu(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=pn(s.fwidth()).toVar("dlen");dn(e.y.abs().greaterThan(1),()=>{a.assign(uu(i.oneMinus(),i.add(1),s).oneMinus())})}else dn(e.y.abs().greaterThan(1),()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()});let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=Nl("instanceColorStart"),t=Nl("instanceColorEnd");u=Md.y.lessThan(.5).select(e,t).mul(rh)}else u=rh;return Rn(u,a)})(),this.transparent){const e=this.opacityNode?pn(this.opacityNode):nh;this.outputNode=Rn(this.colorNode.rgb.mul(e).add(Sp().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const sg=new te;class ig extends Yp{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(sg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?pn(this.opacityNode):nh;In.assign(ku(Rn(Hc(qd),e),re))}}const ng=on(([e=Fd])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return yn(t,r)});class ag extends se{constructor(e=1,t={}){super(e,t),this.isCubeRenderTarget=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ie(5,5,5),n=ng(Fd),a=new Yp;a.colorNode=Pl(t,n,0),a.side=M,a.blending=ee;const o=new ne(i,a),u=new ae;u.add(o),t.minFilter===K&&(t.minFilter=oe);const l=new ue(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}}const og=new WeakMap;class ug extends di{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=hc(null);const t=new L;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Zs.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===le||r===de){if(og.has(e)){const t=og.get(e);dg(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new ag(r.height);s.fromEquirectangularTexture(t,e),dg(s.texture,e.mapping),this._cubeTexture=s.texture,og.set(e,s.texture),e.addEventListener("dispose",lg)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function lg(e){const t=e.target;t.removeEventListener("dispose",lg);const r=og.get(t);void 0!==r&&(og.delete(t),r.dispose())}function dg(e,t){t===le?e.mapping=F:t===de&&(e.mapping=D)}const cg=tn(ug).setParameterLength(1);class hg extends gp{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=cg(this.envNode)}}class pg extends gp{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=pn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class gg{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class mg extends gg{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(Rn(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(Rn(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(In.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case pe:s.rgb.assign(iu(s.rgb,s.rgb.mul(i.rgb),lh.mul(dh)));break;case he:s.rgb.assign(iu(s.rgb,i.rgb,lh.mul(dh)));break;case ce:s.rgb.addAssign(i.rgb.mul(lh.mul(dh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const fg=new ge;class yg extends Yp{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(fg),this.setValues(e)}setupNormal(){return kd(Wd)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new hg(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new pg(Uh)),t}setupOutgoingLight(){return In.rgb}setupLightingModel(){return new mg}}const bg=on(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),xg=on(e=>e.diffuseColor.mul(1/Math.PI)),Tg=on(({dotNH:e})=>ra.mul(pn(.5)).add(1).mul(pn(1/Math.PI)).mul(e.pow(ra))),_g=on(({lightDirection:e})=>{const t=e.add(Ud).normalize(),r=qd.dot(t).clamp(),s=Ud.dot(t).clamp(),i=bg({f0:Jn,f90:1,dotVH:s}),n=pn(.25),a=Tg({dotNH:r});return i.mul(n).mul(a)});class vg extends mg{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=qd.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(xg({diffuseColor:In.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(_g({lightDirection:e})).mul(lh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(xg({diffuseColor:In}))),s.indirectDiffuse.mulAssign(t)}}const Ng=new me;class Sg extends Yp{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Ng),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new hg(t):null}setupLightingModel(){return new vg(!1)}}const Rg=new fe;class Ag extends Yp{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(Rg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new hg(t):null}setupLightingModel(){return new vg}setupVariants(){const e=(this.shininessNode?pn(this.shininessNode):sh).max(1e-4);ra.assign(e);const t=this.specularNode||ah;Jn.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Eg=on(e=>{if(!1===e.geometry.hasAttribute("normal"))return pn(0);const t=Wd.dFdx().abs().max(Wd.dFdy().abs());return t.x.max(t.y).max(t.z)}),wg=on(e=>{const{roughness:t}=e,r=Eg();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),Cg=on(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return Pa(.5,i.add(n).max(ro))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Mg=on(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(_n(e.mul(r),t.mul(s),a).length()),l=a.mul(_n(e.mul(i),t.mul(n),o).length());return Pa(.5,u.add(l))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Bg=on(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Pg=pn(1/Math.PI),Lg=on(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=_n(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Pg.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Fg=on(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=qd,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(Ud).normalize(),d=n.dot(e).clamp(),c=n.dot(Ud).clamp(),h=n.dot(l).clamp(),p=Ud.dot(l).clamp();let g,m,f=bg({f0:t,f90:r,dotVH:p});if(Xi(a)&&(f=qn.mix(f,i)),Xi(o)){const t=Qn.dot(e),r=Qn.dot(Ud),s=Qn.dot(l),i=Zn.dot(e),n=Zn.dot(Ud),a=Zn.dot(l);g=Mg({alphaT:Kn,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Lg({alphaT:Kn,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=Cg({alpha:u,dotNL:d,dotNV:c}),m=Bg({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Dg=new 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Ug=null;const Ig=on(({roughness:e,dotNV:t})=>{null===Ug&&(Ug=new ye(Dg,16,16,G,be),Ug.name="DFG_LUT",Ug.minFilter=oe,Ug.magFilter=oe,Ug.wrapS=xe,Ug.wrapT=xe,Ug.generateMipmaps=!1,Ug.needsUpdate=!0);const r=yn(e,t);return Pl(Ug,r).rg}),Og=on(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Fg({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=qd.dot(e).clamp(),l=qd.dot(Ud).clamp(),d=Ig({roughness:s,dotNV:l}),c=Ig({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=pn(1).sub(g),y=pn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(pn(1).sub(f.mul(y).mul(b).mul(b)).add(ro)),T=f.mul(y),_=x.mul(T);return o.add(_)}),Vg=on(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=Ig({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),kg=on(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(_n(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),Gg=on(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=pn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return pn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),zg=on(({dotNV:e,dotNL:t})=>pn(1).div(pn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),$g=on(({lightDirection:e})=>{const t=e.add(Ud).normalize(),r=qd.dot(e).clamp(),s=qd.dot(Ud).clamp(),i=qd.dot(t).clamp(),n=Gg({roughness:Hn,dotNH:i}),a=zg({dotNV:s,dotNL:r});return Wn.mul(n).mul(a)}),Wg=on(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=yn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),Hg=on(({f:e})=>{const t=e.length();return Wo(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),qg=on(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,Wo(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),jg=on(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=_n().toVar();return dn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(Mn(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=_n(0).toVar();f.addAssign(qg({v1:h,v2:p})),f.addAssign(qg({v1:p,v2:g})),f.addAssign(qg({v1:g,v2:m})),f.addAssign(qg({v1:m,v2:h})),c.assign(_n(Hg({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Xg=on(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=_n().toVar();return dn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=_n(0).toVar();d.addAssign(qg({v1:n,v2:a})),d.addAssign(qg({v1:a,v2:o})),d.addAssign(qg({v1:o,v2:l})),d.addAssign(qg({v1:l,v2:n})),u.assign(_n(Hg({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Kg=1/6,Yg=e=>Ba(Kg,Ba(e,Ba(e,e.negate().add(3)).sub(3)).add(1)),Qg=e=>Ba(Kg,Ba(e,Ba(e,Ba(3,e).sub(6))).add(4)),Zg=e=>Ba(Kg,Ba(e,Ba(e,Ba(-3,e).add(3)).add(3)).add(1)),Jg=e=>Ba(Kg,Qo(e,3)),em=e=>Yg(e).add(Qg(e)),tm=e=>Zg(e).add(Jg(e)),rm=e=>Ca(-1,Qg(e).div(Yg(e).add(Qg(e)))),sm=e=>Ca(1,Jg(e).div(Zg(e).add(Jg(e)))),im=(e,t,r)=>{const s=e.uvNode,i=Ba(s,t.zw).add(.5),n=xo(i),a=vo(i),o=em(a.x),u=tm(a.x),l=rm(a.x),d=sm(a.x),c=rm(a.y),h=sm(a.y),p=yn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=yn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=yn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=yn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=em(a.y).mul(Ca(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=tm(a.y).mul(Ca(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},nm=on(([e,t])=>{const r=yn(e.size(gn(t))),s=yn(e.size(gn(t.add(1)))),i=Pa(1,r),n=Pa(1,s),a=im(e,Rn(i,r),xo(t)),o=im(e,Rn(n,s),To(t));return vo(t).mix(a,o)}),am=on(([e,t])=>{const r=t.mul(wl(e));return nm(e,r)}),om=on(([e,t,r,s,i])=>{const n=_n(ou(t.negate(),_o(e),Pa(1,s))),a=_n(Bo(i[0].xyz),Bo(i[1].xyz),Bo(i[2].xyz));return _o(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),um=on(([e,t])=>e.mul(nu(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),lm=vp(),dm=Sp(),cm=on(([e,t,r],{material:s})=>{const i=(s.side===M?lm:dm).sample(e),n=fo(Hl.x).mul(um(t,r));return nm(i,n)}),hm=on(([e,t,r])=>(dn(r.notEqual(0),()=>{const s=mo(t).negate().div(r);return po(s.negate().mul(e))}),_n(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),pm=on(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Rn().toVar(),f=_n().toVar();const i=d.sub(1).mul(g.mul(.025)),n=_n(d.sub(i),d,d.add(i));op({start:0,end:3},({i:i})=>{const d=n.element(i),g=om(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(Rn(y,1))),x=yn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(yn(x.x,x.y.oneMinus()));const T=cm(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(hm(Bo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=om(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(Rn(n,1))),y=yn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(yn(y.x,y.y.oneMinus())),m=cm(y,r,d),f=s.mul(hm(Bo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=_n(Vg({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Rn(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),gm=Mn(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),mm=(e,t)=>e.sub(t).div(e.add(t)).pow2(),fm=on(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=iu(e,t,uu(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();dn(a.lessThan(0),()=>_n(1));const o=a.sqrt(),u=mm(n,e),l=bg({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=pn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return _n(1).add(t).div(_n(1).sub(t))})(i.clamp(0,.9999)),g=mm(p,n.toVec3()),m=bg({f0:g,f90:1,dotVH:o}),f=_n(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=_n(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(_n(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return op({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=_n(54856e-17,44201e-17,52481e-17),i=_n(1681e3,1795300,2208400),n=_n(43278e5,93046e5,66121e5),a=pn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=_n(o.x.add(a),o.y,o.z).div(1.0685e-7),gm.mul(o)})(pn(e).mul(y),pn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(_n(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),ym=on(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=pn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=pn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),bm=_n(.04),xm=pn(1);class Tm extends gg{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=_n().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=_n().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=_n().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=_n().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=_n().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=qd.dot(Ud).clamp(),t=fm({outsideIOR:pn(1),eta2:jn,cosTheta1:e,thinFilmThickness:Xn,baseF0:Jn}),r=fm({outsideIOR:pn(1),eta2:jn,cosTheta1:e,thinFilmThickness:Xn,baseF0:In.rgb});this.iridescenceFresnel=iu(t,r,Gn),this.iridescenceF0Dielectric=kg({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=kg({f:r,f90:1,dotVH:e}),this.iridescenceF0=iu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,Gn)}if(!0===this.transmission){const t=Ld,r=ad.sub(Ld).normalize(),s=jd,i=e.context;i.backdrop=pm(s,r,kn,On,ea,ta,t,bd,sd,td,oa,la,ca,da,this.dispersion?ha:null),i.backdropAlpha=ua,In.a.mulAssign(iu(1,i.backdrop.a,ua))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=qd.dot(Ud).clamp(),a=Ig({roughness:kn,dotNV:n}),o=i?qn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=qd.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul($g({lightDirection:e})));const t=ym({normal:qd,viewDir:Ud,roughness:Hn}),r=ym({normal:qd,viewDir:e,roughness:Hn}),i=Wn.r.max(Wn.g).max(Wn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=Xd.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Fg({lightDirection:e,f0:bm,f90:xm,roughness:$n,normalView:Xd})))}r.directDiffuse.addAssign(s.mul(xg({diffuseColor:On}))),r.directSpecular.addAssign(s.mul(Og({lightDirection:e,f0:ea,f90:1,roughness:kn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=qd,h=Ud,p=Dd.toVar(),g=Wg({N:c,V:h,roughness:kn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=Mn(_n(m.x,0,m.y),_n(0,1,0),_n(m.z,0,m.w)).toVar(),b=ea.mul(f.x).add(ea.oneMinus().mul(f.y)).toVar();i.directSpecular.addAssign(e.mul(b).mul(jg({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(On).mul(jg({N:c,V:h,P:p,mInv:Mn(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d})))}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(xg({diffuseColor:On})).toVar();if(!0===this.sheen){const e=ym({normal:qd,viewDir:Ud,roughness:Hn}),t=Wn.r.max(Wn.g).max(Wn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Wn,ym({normal:qd,viewDir:Ud,roughness:Hn}))),!0===this.clearcoat){const e=Xd.dot(Ud).clamp(),t=Vg({dotNV:e,specularColor:bm,specularF90:xm,roughness:$n});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=_n().toVar("singleScatteringDielectric"),n=_n().toVar("multiScatteringDielectric"),a=_n().toVar("singleScatteringMetallic"),o=_n().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ta,Jn,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ta,In.rgb,this.iridescenceF0Metallic);const u=iu(i,a,Gn),l=iu(n,o,Gn),d=i.add(n),c=On.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=ym({normal:qd,viewDir:Ud,roughness:Hn}),t=Wn.r.max(Wn.g).max(Wn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=qd.dot(Ud).clamp().add(t),i=kn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Xd.dot(Ud).clamp(),r=bg({dotVH:e,f0:bm,f90:xm}),s=t.mul(zn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(zn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const _m=pn(1),vm=pn(-2),Nm=pn(.8),Sm=pn(-1),Rm=pn(.4),Am=pn(2),Em=pn(.305),wm=pn(3),Cm=pn(.21),Mm=pn(4),Bm=pn(4),Pm=pn(16),Lm=on(([e])=>{const t=_n(Co(e)).toVar(),r=pn(-1).toVar();return dn(t.x.greaterThan(t.z),()=>{dn(t.x.greaterThan(t.y),()=>{r.assign(yu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(yu(e.y.greaterThan(0),1,4))})}).Else(()=>{dn(t.z.greaterThan(t.y),()=>{r.assign(yu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(yu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Fm=on(([e,t])=>{const r=yn().toVar();return dn(t.equal(0),()=>{r.assign(yn(e.z,e.y).div(Co(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(yn(e.x.negate(),e.z.negate()).div(Co(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(yn(e.x.negate(),e.y).div(Co(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(yn(e.z.negate(),e.y).div(Co(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(yn(e.x.negate(),e.z).div(Co(e.y)))}).Else(()=>{r.assign(yn(e.x,e.y).div(Co(e.z)))}),Ba(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Dm=on(([e])=>{const t=pn(0).toVar();return dn(e.greaterThanEqual(Nm),()=>{t.assign(_m.sub(e).mul(Sm.sub(vm)).div(_m.sub(Nm)).add(vm))}).ElseIf(e.greaterThanEqual(Rm),()=>{t.assign(Nm.sub(e).mul(Am.sub(Sm)).div(Nm.sub(Rm)).add(Sm))}).ElseIf(e.greaterThanEqual(Em),()=>{t.assign(Rm.sub(e).mul(wm.sub(Am)).div(Rm.sub(Em)).add(Am))}).ElseIf(e.greaterThanEqual(Cm),()=>{t.assign(Em.sub(e).mul(Mm.sub(wm)).div(Em.sub(Cm)).add(wm))}).Else(()=>{t.assign(pn(-2).mul(fo(Ba(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Um=on(([e,t])=>{const r=e.toVar();r.assign(Ba(2,r).sub(1));const s=_n(r,1).toVar();return dn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Im=on(([e,t,r,s,i,n])=>{const a=pn(r),o=_n(t),u=nu(Dm(a),vm,n),l=vo(u),d=xo(u),c=_n(Om(e,o,d,s,i,n)).toVar();return dn(l.notEqual(0),()=>{const t=_n(Om(e,o,d.add(1),s,i,n)).toVar();c.assign(iu(c,t,l))}),c}),Om=on(([e,t,r,s,i,n])=>{const a=pn(r).toVar(),o=_n(t),u=pn(Lm(o)).toVar(),l=pn(Wo(Bm.sub(a),0)).toVar();a.assign(Wo(a,Bm));const d=pn(go(a)).toVar(),c=yn(Fm(o,u).mul(d.sub(2)).add(1)).toVar();return dn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Ba(3,Pm))),c.y.addAssign(Ba(4,go(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(yn(),yn())}),Vm=on(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=So(s),l=r.mul(u).add(i.cross(r).mul(No(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return Om(e,l,t,n,a,o)}),km=on(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=_n(yu(t,r,Yo(r,s))).toVar();dn(h.equal(_n(0)),()=>{h.assign(_n(s.z,0,s.x.negate()))}),h.assign(_o(h));const p=_n().toVar();return p.addAssign(i.element(0).mul(Vm({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),op({start:gn(1),end:e},({i:e})=>{dn(e.greaterThanEqual(n),()=>{up()});const t=pn(a.mul(pn(e))).toVar();p.addAssign(i.element(e).mul(Vm({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(Vm({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),Rn(p,1)}),Gm=on(([e])=>{const t=mn(e).toVar();return t.assign(t.shiftLeft(mn(16)).bitOr(t.shiftRight(mn(16)))),t.assign(t.bitAnd(mn(1431655765)).shiftLeft(mn(1)).bitOr(t.bitAnd(mn(2863311530)).shiftRight(mn(1)))),t.assign(t.bitAnd(mn(858993459)).shiftLeft(mn(2)).bitOr(t.bitAnd(mn(3435973836)).shiftRight(mn(2)))),t.assign(t.bitAnd(mn(252645135)).shiftLeft(mn(4)).bitOr(t.bitAnd(mn(4042322160)).shiftRight(mn(4)))),t.assign(t.bitAnd(mn(16711935)).shiftLeft(mn(8)).bitOr(t.bitAnd(mn(4278255360)).shiftRight(mn(8)))),pn(t).mul(2.3283064365386963e-10)}),zm=on(([e,t])=>yn(pn(e).div(pn(t)),Gm(e))),$m=on(([e,t,r])=>{const s=_n(t).toVar(),i=pn(r),n=i.mul(i).toVar(),a=_o(_n(n.mul(s.x),n.mul(s.y),s.z)).toVar(),o=a.x.mul(a.x).add(a.y.mul(a.y)),u=yu(o.greaterThan(0),_n(a.y.negate(),a.x,0).div(yo(o)),_n(1,0,0)).toVar(),l=Yo(a,u).toVar(),d=yo(e.x),c=Ba(2,3.14159265359).mul(e.y),h=d.mul(So(c)).toVar(),p=d.mul(No(c)).toVar(),g=Ba(.5,a.z.add(1));p.assign(g.oneMinus().mul(yo(h.mul(h).oneMinus())).add(g.mul(p)));const m=u.mul(h).add(l.mul(p)).add(a.mul(yo(Wo(0,h.mul(h).add(p.mul(p)).oneMinus()))));return _o(_n(n.mul(m.x),n.mul(m.y),Wo(0,m.z)))}),Wm=on(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=_n(s).toVar(),l=_n(0).toVar(),d=pn(0).toVar();return dn(e.lessThan(.001),()=>{l.assign(Om(r,u,t,n,a,o))}).Else(()=>{const s=yu(Co(u.z).lessThan(.999),_n(0,0,1),_n(1,0,0)),c=_o(Yo(s,u)).toVar(),h=Yo(u,c).toVar();op({start:mn(0),end:i},({i:s})=>{const p=zm(s,i),g=$m(p,_n(0,0,1),e),m=_o(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=_o(m.mul(Ko(u,m).mul(2)).sub(u)),y=Wo(Ko(u,f),0);dn(y.greaterThan(0),()=>{const e=Om(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),dn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),Rn(l,1)}),Hm=[.125,.215,.35,.446,.526,.582],qm=20,jm=new _e(-1,1,1,-1,0,1),Xm=new ve(90,1),Km=new e;let Ym=null,Qm=0,Zm=0;const Jm=new r,ef=new WeakMap,tf=[3,1,5,0,4,2],rf=Um(Sl(),Nl("faceIndex")).normalize(),sf=_n(rf.x,rf.y,rf.z);class nf{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=Jm,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized){d('PMREMGenerator: ".fromScene()" called before the backend is initialized. Try using "await renderer.init()" instead.');const n=o||this._allocateTarget();return i.renderTarget=n,this.fromSceneAsync(e,t,r,s,i),n}Ym=this._renderer.getRenderTarget(),Qm=this._renderer.getActiveCubeFace(),Zm=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget();return u.depthBuffer=!0,this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){d('PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using "await renderer.init()" instead.'),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){d("PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=lf(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=df(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===F||e.mapping===D?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(Ym,Qm,Zm),e.scissorTest=!1,of(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),Ym=this._renderer.getRenderTarget(),Qm=this._renderer.getActiveCubeFace(),Zm=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget();return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(){return af(3*Math.max(this._cubeSize,112),4*this._cubeSize)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=af(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+Hm.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=Hm[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=tf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new Te;T.setAttribute("position",new Ee(y,g)),T.setAttribute("uv",new Ee(b,m)),T.setAttribute("faceIndex",new Ee(x,f)),s.push(new ne(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=Ol(new Array(qm).fill(0)),n=Ta(new r(0,1,0)),a=Ta(0),o=pn(qm),u=Ta(0),l=Ta(1),d=Pl(),c=Ta(0),h=pn(1/t),p=pn(1/s),g=pn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:sf,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=uf("blur");return f.fragmentNode=km({...m,latitudinal:u.equal(1)}),ef.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=Pl(),i=Ta(0),n=Ta(0),a=pn(1/t),o=pn(1/r),u=pn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=uf("ggx");return d.fragmentNode=Wm({...l,N_immutable:sf,GGX_SAMPLES:mn(512)}),ef.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new ne(new Te,e);await this._renderer.compile(t,jm)}_sceneToCubeUV(e,t,r,s,i){const n=Xm;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(Km),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new ne(new ie,new ge({name:"PMREM.Background",side:M,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(Km),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;of(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===F||e.mapping===D;s?null===this._cubemapMaterial&&(this._cubemapMaterial=lf(e)):null===this._equirectMaterial&&(this._equirectMaterial=df(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;of(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,jm)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=ef.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,of(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,jm),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,of(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,jm)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=ef.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):qm;f>qm&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<qm;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s];of(t,3*T*(s>x-4?s-x+4:0),4*(this._cubeSize-T),3*T,2*T),u.setRenderTarget(t),u.render(c,jm)}}function af(e,t){const r=new Ne(e,t,{magFilter:oe,minFilter:oe,generateMipmaps:!1,type:be,format:Re,colorSpace:Se});return r.texture.mapping=Ae,r.texture.name="PMREM.cubeUv",r.texture.isPMREMTexture=!0,r.scissorTest=!0,r}function of(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function uf(e){const t=new Yp;return t.depthTest=!1,t.depthWrite=!1,t.blending=ee,t.name=`PMREM_${e}`,t}function lf(e){const t=uf("cubemap");return t.fragmentNode=hc(e,sf),t}function df(e){const t=uf("equirect");return t.fragmentNode=Pl(e,ng(sf),0),t}const cf=new WeakMap;function hf(e,t,r){const s=function(e){let t=cf.get(e);void 0===t&&(t=new WeakMap,cf.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class pf extends di{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=Pl(s),this._width=Ta(0),this._height=Ta(0),this._maxMip=Ta(0),this.updateBeforeType=Zs.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:hf(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new nf(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=ic.mul(_n(t.x,t.y.negate(),t.z));let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),Im(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const gf=tn(pf).setParameterLength(1,3),mf=new WeakMap;class ff extends gp{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const e=r.isTextureNode?r.value:t[r.property];let s=mf.get(e);void 0===s&&(s=gf(e),mf.set(e,s)),r=s}const s=!0===t.useAnisotropy||t.anisotropy>0?Wc:qd,i=r.context(yf(kn,s)).mul(sc),n=r.context(bf(jd)).mul(Math.PI).mul(sc),a=nl(i),o=nl(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(yf($n,Xd)).mul(sc),t=nl(e);u.addAssign(t)}}}const yf=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=Ud.negate().reflect(t),r=eu(e).mix(r,t).normalize(),r=r.transformDirection(sd)),r),getTextureLevel:()=>e}},bf=e=>({getUV:()=>e,getTextureLevel:()=>pn(1)}),xf=new we;class Tf extends Yp{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(xf),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new ff(t):null}setupLightingModel(){return new Tm}setupSpecular(){const e=iu(_n(.04),In.rgb,Gn);Jn.assign(_n(.04)),ea.assign(e),ta.assign(1)}setupVariants(){const e=this.metalnessNode?pn(this.metalnessNode):hh;Gn.assign(e);let t=this.roughnessNode?pn(this.roughnessNode):ch;t=wg({roughness:t}),kn.assign(t),this.setupSpecular(),On.assign(In.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const _f=new Ce;class vf extends Tf{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(_f),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?pn(this.iorNode):Ah;oa.assign(e),Jn.assign($o(Zo(oa.sub(1).div(oa.add(1))).mul(uh),_n(1)).mul(oh)),ea.assign(iu(Jn,In.rgb,Gn)),ta.assign(iu(oh,1,Gn))}setupLightingModel(){return new Tm(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?pn(this.clearcoatNode):gh,t=this.clearcoatRoughnessNode?pn(this.clearcoatRoughnessNode):mh;zn.assign(e),$n.assign(wg({roughness:t}))}if(this.useSheen){const e=this.sheenNode?_n(this.sheenNode):bh,t=this.sheenRoughnessNode?pn(this.sheenRoughnessNode):xh;Wn.assign(e),Hn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?pn(this.iridescenceNode):_h,t=this.iridescenceIORNode?pn(this.iridescenceIORNode):vh,r=this.iridescenceThicknessNode?pn(this.iridescenceThicknessNode):Nh;qn.assign(e),jn.assign(t),Xn.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?yn(this.anisotropyNode):Th).toVar();Yn.assign(e.length()),dn(Yn.equal(0),()=>{e.assign(yn(1,0))}).Else(()=>{e.divAssign(yn(Yn)),Yn.assign(Yn.saturate())}),Kn.assign(Yn.pow2().mix(kn.pow2(),1)),Qn.assign(zc[0].mul(e.x).add(zc[1].mul(e.y))),Zn.assign(zc[1].mul(e.x).sub(zc[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?pn(this.transmissionNode):Sh,t=this.thicknessNode?pn(this.thicknessNode):Rh,r=this.attenuationDistanceNode?pn(this.attenuationDistanceNode):Eh,s=this.attenuationColorNode?_n(this.attenuationColorNode):wh;if(ua.assign(e),la.assign(t),da.assign(r),ca.assign(s),this.useDispersion){const e=this.dispersionNode?pn(this.dispersionNode):Dh;ha.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?_n(this.clearcoatNormalNode):fh}setup(e){e.context.setupClearcoatNormal=()=>Bu(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class Nf extends Tm{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(qd.mul(a)).normalize(),h=pn(Ud.dot(c.negate()).saturate().pow(l).mul(d)),p=_n(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class Sf extends vf{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=pn(.1),this.thicknessAmbientNode=pn(0),this.thicknessAttenuationNode=pn(.1),this.thicknessPowerNode=pn(2),this.thicknessScaleNode=pn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new Nf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const Rf=on(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=yn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=bc("gradientMap","texture").context({getUV:()=>i});return _n(e.r)}{const e=i.fwidth().mul(.5);return iu(_n(.7),_n(1),uu(pn(.7).sub(e.x),pn(.7).add(e.x),i.x))}});class Af extends gg{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=Rf({normal:Gd,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(xg({diffuseColor:In.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(xg({diffuseColor:In}))),s.indirectDiffuse.mulAssign(t)}}const Ef=new Me;class wf extends Yp{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Ef),this.setValues(e)}setupLightingModel(){return new Af}}const Cf=on(()=>{const e=_n(Ud.z,0,Ud.x.negate()).normalize(),t=Ud.cross(e);return yn(e.dot(qd),t.dot(qd)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),Mf=new Be;class Bf extends Yp{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Mf),this.setValues(e)}setupVariants(e){const t=Cf;let r;r=e.material.matcap?bc("matcap","texture").context({getUV:()=>t}):_n(iu(.2,.8,t.y)),In.rgb.mulAssign(r.rgb)}}class Pf extends di{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Cn(e,s,s.negate(),e).mul(r)}{const e=t,s=Bn(Rn(1,0,0,0),Rn(0,So(e.x),No(e.x).negate(),0),Rn(0,No(e.x),So(e.x),0),Rn(0,0,0,1)),i=Bn(Rn(So(e.y),0,No(e.y),0),Rn(0,1,0,0),Rn(No(e.y).negate(),0,So(e.y),0),Rn(0,0,0,1)),n=Bn(Rn(So(e.z),No(e.z).negate(),0,0),Rn(No(e.z),So(e.z),0,0),Rn(0,0,1,0),Rn(0,0,0,1));return s.mul(i).mul(n).mul(Rn(r,1)).xyz}}}const Lf=tn(Pf).setParameterLength(2),Ff=new Pe;class Df extends Yp{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Ff),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=Rd.mul(_n(s||0));let u=yn(bd[0].xyz.length(),bd[1].xyz.length());null!==n&&(u=u.mul(yn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=Md.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new zu(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=pn(i||yh),c=Lf(l,d);return Rn(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Uf=new Le,If=new t;class Of extends Df{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Uf),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return Rd.mul(_n(e||Bd)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?yn(n):Fh;u=u.mul($l),r.isPerspectiveCamera&&!0===a&&(u=u.mul(Vf.div(Dd.z.negate()))),i&&i.isNode&&(u=u.mul(yn(i)));let l=Md.xy;if(s&&s.isNode){const e=pn(s);l=Lf(l,e)}return l=l.mul(u),l=l.div(Xl.div(2)),l=l.mul(o.w),o=o.add(Rn(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Vf=Ta(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(If);this.value=.5*t.y});class kf extends gg{constructor(){super(),this.shadowNode=pn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){In.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(In.rgb)}}const Gf=new Fe;class zf extends Yp{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(Gf),this.setValues(e)}setupLightingModel(){return new kf}}const $f=Dn("vec3"),Wf=Dn("vec3"),Hf=Dn("vec3");class qf extends gg{constructor(){super()}start(e){const{material:t}=e,r=Dn("vec3"),s=Dn("vec3");dn(ad.sub(Ld).length().greaterThan(vd.mul(2)),()=>{r.assign(ad),s.assign(Ld)}).Else(()=>{r.assign(Ld),s.assign(ad)});const i=s.sub(r),n=Ta("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=pn(0).toVar(),l=_n(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),op(n,()=>{const s=r.add(o.mul(u)),i=sd.mul(Rn(s,1)).xyz;let n;null!==t.depthNode&&(Wf.assign(Dp(Mp(i.z,Jl,ed))),e.context.sceneDepthNode=Dp(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,$f.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&$f.mulAssign(n);const d=$f.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),Hf.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?dn(r.greaterThanEqual(Wf),()=>{$f.addAssign(e)}):$f.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(Xg({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(Hf)}}class jf extends Yp{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=M,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new qf}}class Xf{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class Kf{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let Yf=0;class Qf{constructor(e,t,r,s,i,n,a,o,u,l){this.id=Yf++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),i[n.name]=e.version),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Ds(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r||e[t]!==r.id)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=Is(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=Is(e,1)),e=Is(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),this.onDispose()}}const Zf=[];class Jf{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);Zf[0]=e,Zf[1]=t,Zf[2]=n,Zf[3]=i;let l=u.get(Zf);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(Zf,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),Zf[0]=null,Zf[1]=null,Zf[2]=null,Zf[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new Kf)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new Qf(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class ey{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const ty=1,ry=2,sy=3,iy=4,ny=16;class ay extends ey{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return null!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===ty?this.backend.createAttribute(e):t===ry?this.backend.createIndexAttribute(e):t===sy?this.backend.createStorageAttribute(e):t===iy&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function oy(e){return null!==e.index?e.index.version:e.attributes.position.version}function uy(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(Ie(t)?De:Ue)(t,1);return i.version=oy(e),i}class ly extends ey{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,sy):this.updateAttribute(e,ty);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,ry);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,iy)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=uy(t),e.set(t,r)):r.version!==oy(t)&&(this.attributes.delete(r),r=uy(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class dy{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class cy{constructor(e){this.cacheKey=e,this.usedTimes=0}}class hy extends cy{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class py extends cy{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let gy=0;class my{constructor(e,t,r,s=null,i=null){this.id=gy++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class fy extends ey{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new my(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new my(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new my(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new py(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new hy(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class yy extends ey{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}deleteForRender(e){const t=e.getBindings();for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isSampler)this.textures.updateSampler(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?iy:sy;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?iy:sy;this.attributes.update(e,r)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const e=t.update(),o=t.texture,u=this.textures.get(o);e&&(this.textures.updateTexture(o),t.generation!==u.generation&&(t.generation=u.generation,s=!0,i=!1));if(void 0!==r.get(o).externalTexture||u.isDefaultTexture?i=!1:(n=10*n+o.id,a+=o.version),!0===o.isStorageTexture&&!0===o.mipmapsAutoUpdate){const e=this.get(o);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(o)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(o),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture);t.samplerKey!==e&&(t.samplerKey=e,s=!0,i=!1)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}function by(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function xy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function Ty(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===B&&!1===e.forceSinglePass}class _y{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(Ty(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(Ty(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||by),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||xy),this.transparent.length>1&&this.transparent.sort(t||xy)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const vy=[];class Ny{constructor(e){this.lighting=e,this.lists=new Kf}get(e,t){const r=this.lists;vy[0]=e,vy[1]=t;let s=r.get(vy);return void 0===s&&(s=new _y(this.lighting,e,t),r.set(vy,s)),vy.length=0,s}dispose(){this.lists=new Kf}}let Sy=0;class Ry{constructor(){this.id=Sy++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return Ay(this)}}function Ay(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return Us(i)}class Ey{constructor(){this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new Ry,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n}dispose(){this._renderContexts={}}}const wy=new r;class Cy extends ey{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new Y,l.format=e.stencilBuffer?Oe:Ve,l.type=e.stencilBuffer?ke:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,l.isArrayTexture=!0===e.multiview&&a.depth>1,i[t]=l),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=l.isArrayTexture?l.image.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}!0!==r.initialized&&(r.initialized=!0,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ge}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,this.info.memory.textures++,e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e){return this.backend.updateSampler(e)}getSize(e,t=wy){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e)}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;this.backend.destroyTexture(e,r),this.delete(e),this.info.memory.textures--}}}class My extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class By extends Fn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`),i="float"),i}getHash(){return this.uuid}generate(){return this.name}}class Py extends oi{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this.isStackNode=!0}getElementType(e){return this.hasOutput?this.outputNode.getElementType(e):"void"}getNodeType(e){return this.hasOutput?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.hasOutput?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=this.nodes.length){return!0!==e.isNode?(o("TSL: Invalid node added to stack."),this):(this.nodes.splice(t,0,e),this)}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new Yi(t);return this._currentCond=yu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new Yi(t),s=yu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Yi(e),this}Switch(e){return this._expressionNode=Qi(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(Qi(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.");const r=new Yi(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=yu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}get hasOutput(){return this.outputNode&&this.outputNode.isNode}build(e,...t){const r=ln(),s=e.buildStage;un(this),e.setActiveStack(this);const i=t=>{if(this._currentNode=t,!t.isVarNode||!t.isIntent(e)||!0===t.isAssign(e))if("setup"===s)t.build(e);else if("analyze"===s)t.build(e,this);else if("generate"===s){const r=e.getDataFromNode(t,"any").stages,s=r&&r[e.shaderStage];if(t.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)return;t.build(e,"void")}},n=[...this.nodes];for(const e of n)i(e);this._currentNode=null;const a=this.nodes.filter(e=>-1===n.indexOf(e));for(const e of a)i(e);let o;return o=this.hasOutput?this.outputNode.build(e,...t):super.build(e,...t),un(r),e.removeActiveStack(this),o}}const Ly=tn(Py).setParameterLength(0,1);class Fy extends oi{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructLayoutNode=!0}getLength(){const e=Float32Array.BYTES_PER_ELEMENT;let t=1,r=0;for(const s of this.membersLayout){const i=s.type,n=$s(i),a=Ws(i)/e;t=Math.max(t,a);const o=r%t%a;0!==o&&(r+=a-o),r+=n}return Math.ceil(r/t)*t}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}getNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Dy extends oi{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}getNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class Uy extends oi{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}getNodeType(e){const t=e.getNodeProperties(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}return t.structType.name}generate(e){const t=e.getOutputStructName(),r=this.members,s=""!==t?t+".":"";for(let t=0;t<r.length;t++){const i=r[t].build(e);e.addLineFlowCode(`${s}m${t} = ${i}`,this)}return t}}const Iy=tn(Uy);class Oy{constructor(e=ze){this.blending=e,this.blendSrc=$e,this.blendDst=We,this.blendEquation=He,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const Vy=new Oy(ee),ky=new Oy(qe);function Gy(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class zy extends Uy{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:ky},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||Vy}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=$y(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[Gy(s,e)]=Rn(t[e])}return this.members=r,super.setup(e)}}const $y=tn(zy);class Wy extends di{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}getNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const Hy=sn(Wy).setParameterLength(2),qy=e=>new Wy(e,"uint","float"),jy={};class Xy extends to{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(Hy(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return mn;case"int":return gn;case"uvec2":return xn;case"uvec3":return Nn;case"uvec4":return En;case"ivec2":return bn;case"ivec3":return vn;case"ivec4":return An}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return on(([e])=>{const s=mn(0);this._resolveElementType(e,s,t);const i=pn(s.bitAnd(Po(s))),n=qy(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return on(([e])=>{dn(e.equal(mn(0)),()=>mn(32));const s=mn(0),i=mn(0);return this._resolveElementType(e,s,t),dn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),dn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),dn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),dn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),dn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return on(([e])=>{const s=mn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(mn(1)).bitAnd(mn(1431655765)))),s.assign(s.bitAnd(mn(858993459)).add(s.shiftRight(mn(2)).bitAnd(mn(858993459))));const i=s.add(s.shiftRight(mn(4))).bitAnd(mn(252645135)).mul(mn(16843009)).shiftRight(mn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return on(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=jy[o];if(void 0===l){switch(t){case Xy.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case Xy.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case Xy.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}jy[o]=l}let d=jy[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),jy[u]=d);return on(()=>d(r))()}}Xy.COUNT_TRAILING_ZEROS="countTrailingZeros",Xy.COUNT_LEADING_ZEROS="countLeadingZeros",Xy.COUNT_ONE_BITS="countOneBits";const Ky=sn(Xy,Xy.COUNT_TRAILING_ZEROS).setParameterLength(1),Yy=sn(Xy,Xy.COUNT_LEADING_ZEROS).setParameterLength(1),Qy=sn(Xy,Xy.COUNT_ONE_BITS).setParameterLength(1),Zy=on(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),Jy=(e,t)=>Qo(Ba(4,e.mul(Ma(1,e))),t);class eb extends di{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}getNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const tb=sn(eb,"snorm").setParameterLength(1),rb=sn(eb,"unorm").setParameterLength(1),sb=sn(eb,"float16").setParameterLength(1);class ib extends di{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}getNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const nb=sn(ib,"snorm").setParameterLength(1),ab=sn(ib,"unorm").setParameterLength(1),ob=sn(ib,"float16").setParameterLength(1),ub=on(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),lb=on(([e])=>_n(ub(e.z.add(ub(e.y.mul(1)))),ub(e.z.add(ub(e.x.mul(1)))),ub(e.y.add(ub(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),db=on(([e,t,r])=>{const s=_n(e).toVar(),i=pn(1.4).toVar(),n=pn(0).toVar(),a=_n(s).toVar();return op({start:pn(0),end:pn(3),type:"float",condition:"<="},()=>{const e=_n(lb(a.mul(2))).toVar();s.addAssign(e.add(r.mul(pn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=pn(ub(s.z.add(ub(s.x.add(ub(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class cb extends oi{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}getNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const hb=tn(cb),pb=e=>(...t)=>hb(e,...t),gb=Ta(0).setGroup(ya).onRenderUpdate(e=>e.time),mb=Ta(0).setGroup(ya).onRenderUpdate(e=>e.deltaTime),fb=Ta(0,"uint").setGroup(ya).onRenderUpdate(e=>e.frameId);const yb=on(([e,t,r=yn(.5)])=>Lf(e.sub(r),t).add(r)),bb=on(([e,t,r=yn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),xb=on(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=bd.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=bd;const i=sd.mul(s);return Xi(t)&&(i[0][0]=bd[0].length(),i[0][1]=0,i[0][2]=0),Xi(r)&&(i[1][0]=0,i[1][1]=bd[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,td.mul(i).mul(Bd)}),Tb=on(([e=null])=>{const t=Dp();return Dp(Ep(e)).sub(t).lessThan(0).select(Wl,e)});class _b extends oi{static get type(){return"SpriteSheetUVNode"}constructor(e,t=Sl(),r=pn(0)){super("vec2"),this.countNode=e,this.uvNode=t,this.frameNode=r}setup(){const{frameNode:e,uvNode:t,countNode:r}=this,{width:s,height:i}=r,n=e.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=r.reciprocal(),l=yn(a,o);return t.add(l).mul(u)}}const vb=tn(_b).setParameterLength(3),Nb=on(([e,t=null,r=null,s=pn(1),i=Bd,n=zd])=>{let a=n.abs().normalize();a=a.div(a.dot(_n(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Pl(d,o).mul(a.x),g=Pl(c,u).mul(a.y),m=Pl(h,l).mul(a.z);return Ca(p,g,m)}),Sb=new je,Rb=new r,Ab=new r,Eb=new r,wb=new a,Cb=new r(0,0,-1),Mb=new s,Bb=new r,Pb=new r,Lb=new s,Fb=new t,Db=new Ne,Ub=Wl.flipX();Db.depthTexture=new Y(1,1);let Ib=!1;class Ob extends Ml{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Db.texture,Ub),this._reflectorBaseNode=e.reflector||new Vb(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Qi(new Ob({defaultTexture:Db.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class Vb extends oi{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new Xe,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?Zs.RENDER:Zs.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Fb),e.setSize(Math.round(Fb.width*r),Math.round(Fb.height*r))}setup(e){return this._updateResolution(Db,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new Ne(0,0,{type:be,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=Ke,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Y),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&Ib)return!1;Ib=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Fb),this._updateResolution(o,s),Ab.setFromMatrixPosition(n.matrixWorld),Eb.setFromMatrixPosition(r.matrixWorld),wb.extractRotation(n.matrixWorld),Rb.set(0,0,1),Rb.applyMatrix4(wb),Bb.subVectors(Ab,Eb);let u=!1;if(!0===Bb.dot(Rb)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(Ib=!1);u=!0}Bb.reflect(Rb).negate(),Bb.add(Ab),wb.extractRotation(r.matrixWorld),Cb.set(0,0,-1),Cb.applyMatrix4(wb),Cb.add(Eb),Pb.subVectors(Ab,Cb),Pb.reflect(Rb).negate(),Pb.add(Ab),a.coordinateSystem=r.coordinateSystem,a.position.copy(Bb),a.up.set(0,1,0),a.up.applyMatrix4(wb),a.up.reflect(Rb),a.lookAt(Pb),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),Sb.setFromNormalAndCoplanarPoint(Rb,Ab),Sb.applyMatrix4(a.matrixWorldInverse),Mb.set(Sb.normal.x,Sb.normal.y,Sb.normal.z,Sb.constant);const l=a.projectionMatrix;Lb.x=(Math.sign(Mb.x)+l.elements[8])/l.elements[0],Lb.y=(Math.sign(Mb.y)+l.elements[9])/l.elements[5],Lb.z=-1,Lb.w=(1+l.elements[10])/l.elements[14],Mb.multiplyScalar(1/Mb.dot(Lb));l.elements[2]=Mb.x,l.elements[6]=Mb.y,l.elements[10]=s.coordinateSystem===h?Mb.z-0:Mb.z+1-0,l.elements[14]=Mb.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,Ib=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const kb=new _e(-1,1,1,-1,0,1);class Gb extends Te{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Ye([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Ye(t,2))}}const zb=new Gb;class $b extends ne{constructor(e=null){super(zb,e),this.camera=kb,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,kb)}render(e){e.render(this,kb)}}const Wb=new t;class Hb extends Ml{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:be}){const i=new Ne(t,r,s);super(i.texture,Sl()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new $b(new Yp),this.updateBeforeType=Zs.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoResize){const t=e.getPixelRatio(),r=e.getSize(Wb),s=Math.floor(r.width*t),i=Math.floor(r.height*t);s===this.renderTarget.width&&i===this.renderTarget.height||(this.renderTarget.setSize(s,i),this.textureNeedsUpdate=!0)}let t="RTT";this.node.name&&(t=this.node.name+" [ "+t+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=t;const r=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(r)}clone(){const e=new Ml(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const qb=(e,...t)=>Qi(new Hb(Qi(e),...t)),jb=on(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=yn(e.x,e.y.oneMinus()).mul(2).sub(1),i=Rn(_n(e,t),1)):i=Rn(_n(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Rn(r.mul(i));return n.xyz.div(n.w)}),Xb=on(([e,t])=>{const r=t.mul(Rn(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return yn(s.x,s.y.oneMinus())}),Kb=on(([e,t,r])=>{const s=Al(Ll(t)),i=bn(e.mul(s)).toVar(),n=Ll(t,i).toVar(),a=Ll(t,i.sub(bn(2,0))).toVar(),o=Ll(t,i.sub(bn(1,0))).toVar(),u=Ll(t,i.add(bn(1,0))).toVar(),l=Ll(t,i.add(bn(2,0))).toVar(),d=Ll(t,i.add(bn(0,2))).toVar(),c=Ll(t,i.add(bn(0,1))).toVar(),h=Ll(t,i.sub(bn(0,1))).toVar(),p=Ll(t,i.sub(bn(0,2))).toVar(),g=Co(Ma(pn(2).mul(o).sub(a),n)).toVar(),m=Co(Ma(pn(2).mul(u).sub(l),n)).toVar(),f=Co(Ma(pn(2).mul(c).sub(d),n)).toVar(),y=Co(Ma(pn(2).mul(h).sub(p),n)).toVar(),b=jb(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(jb(e.sub(yn(pn(1).div(s.x),0)),o,r)),b.negate().add(jb(e.add(yn(pn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(jb(e.add(yn(0,pn(1).div(s.y))),c,r)),b.negate().add(jb(e.sub(yn(0,pn(1).div(s.y))),h,r)));return _o(Yo(x,T))}),Yb=on(([e])=>vo(pn(52.9829189).mul(vo(Ko(e,yn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),Qb=on(([e,t,r])=>{const s=pn(2.399963229728653),i=yo(pn(e).add(.5).div(pn(t))),n=pn(e).mul(s).add(r);return yn(So(n),No(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class Zb extends oi{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(Sl())}sample(e){return this.callback(e)}}class Jb extends oi{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===Jb.OBJECT?this.updateType=Zs.OBJECT:e===Jb.MATERIAL?this.updateType=Zs.RENDER:e===Jb.BEFORE_OBJECT?this.updateBeforeType=Zs.OBJECT:e===Jb.BEFORE_MATERIAL&&(this.updateBeforeType=Zs.RENDER)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}Jb.OBJECT="object",Jb.MATERIAL="material",Jb.BEFORE_OBJECT="beforeObject",Jb.BEFORE_MATERIAL="beforeMaterial";const ex=(e,t)=>new Jb(e,t).toStack();class tx extends W{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class rx extends Ee{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class sx extends oi{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const ix=rn(sx),nx=new P,ax=new a;class ox extends oi{static get type(){return"SceneNode"}constructor(e=ox.BACKGROUND_BLURRINESS,t=null){super(),this.scope=e,this.scene=t}setup(e){const t=this.scope,r=null!==this.scene?this.scene:e.scene;let s;return t===ox.BACKGROUND_BLURRINESS?s=mc("backgroundBlurriness","float",r):t===ox.BACKGROUND_INTENSITY?s=mc("backgroundIntensity","float",r):t===ox.BACKGROUND_ROTATION?s=Ta("mat4").setName("backgroundRotation").setGroup(ya).onRenderUpdate(()=>{const e=r.background;return null!==e&&e.isTexture&&e.mapping!==Qe?(nx.copy(r.backgroundRotation),nx.x*=-1,nx.y*=-1,nx.z*=-1,ax.makeRotationFromEuler(nx)):ax.identity(),ax}):o("SceneNode: Unknown scope:",t),s}}ox.BACKGROUND_BLURRINESS="backgroundBlurriness",ox.BACKGROUND_INTENSITY="backgroundIntensity",ox.BACKGROUND_ROTATION="backgroundRotation";const ux=rn(ox,ox.BACKGROUND_BLURRINESS),lx=rn(ox,ox.BACKGROUND_INTENSITY),dx=rn(ox,ox.BACKGROUND_ROTATION);class cx extends Ml{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ei.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(ei.READ_WRITE)}toReadOnly(){return this.setAccess(ei.READ_ONLY)}toWriteOnly(){return this.setAccess(ei.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(e,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e}}const hx=tn(cx).setParameterLength(1,3),px=on(({texture:e,uv:t})=>{const r=1e-4,s=_n().toVar();return dn(t.x.lessThan(r),()=>{s.assign(_n(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(_n(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(_n(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(_n(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(_n(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(_n(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(_n(-.01,0,0))).r.sub(e.sample(t.add(_n(r,0,0))).r),n=e.sample(t.add(_n(0,-.01,0))).r.sub(e.sample(t.add(_n(0,r,0))).r),a=e.sample(t.add(_n(0,0,-.01))).r.sub(e.sample(t.add(_n(0,0,r))).r);s.assign(_n(i,n,a))}),s.normalize()});class gx extends Ml{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return _n(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return px({texture:this,uv:e})}}const mx=tn(gx).setParameterLength(1,3);class fx extends gc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const yx=new WeakMap;class bx extends di{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Zs.OBJECT,this.updateAfterType=Zs.OBJECT,this.previousModelWorldMatrix=Ta(new a),this.previousProjectionMatrix=Ta(new a).setGroup(ya),this.previousCameraViewMatrix=Ta(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=Tx(r);this.previousModelWorldMatrix.value.copy(s);const i=xx(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){Tx(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?td:Ta(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(Rd).mul(Bd),s=this.previousProjectionMatrix.mul(t).mul(Pd),i=r.xy.div(r.w),n=s.xy.div(s.w);return Ma(i,n)}}function xx(e){let t=yx.get(e);return void 0===t&&(t={},yx.set(e,t)),t}function Tx(e,t=0){const r=xx(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const _x=rn(bx),vx=on(([e])=>Ax(e.rgb)),Nx=on(([e,t=pn(1)])=>t.mix(Ax(e.rgb),e.rgb)),Sx=on(([e,t=pn(1)])=>{const r=Ca(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return iu(e.rgb,s,i)}),Rx=on(([e,t=pn(1)])=>{const r=_n(.57735,.57735,.57735),s=t.cos();return _n(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(Ko(r,e.rgb).mul(s.oneMinus())))))}),Ax=(e,t=_n(p.getLuminanceCoefficients(new r)))=>Ko(e,t),Ex=on(([e,t=_n(1),s=_n(0),i=_n(1),n=pn(1),a=_n(p.getLuminanceCoefficients(new r,Se))])=>{const o=e.rgb.dot(_n(a)),u=Wo(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return dn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),dn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),dn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),Rn(u.rgb,e.a)});class wx extends di{static get type(){return"PosterizeNode"}constructor(e,t){super(),this.sourceNode=e,this.stepsNode=t}setup(){const{sourceNode:e,stepsNode:t}=this;return e.mul(t).floor().div(t)}}const Cx=tn(wx).setParameterLength(2);let Mx=null;class Bx extends Tp{static get type(){return"ViewportSharedTextureNode"}constructor(e=Wl,t=null){null===Mx&&(Mx=new X),super(e,t,Mx)}getTextureForReference(){return Mx}updateReference(){return this}}const Px=tn(Bx).setParameterLength(0,2),Lx=new t;class Fx extends Ml{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class Dx extends Fx{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}class Ux extends di{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new Y;i.isRenderTargetTexture=!0,i.name="depth";const n=new Ne(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:be,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=Ta(0),this._cameraFar=Ta(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=Zs.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new Dx(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new Dx(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Bp(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=Cp(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),this.scope===Ux.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s,i;const n=t.getOutputRenderTarget();n&&!0===n.isXRRenderTarget?(i=1,s=t.xr.getCamera(),t.xr.updateCamera(s),Lx.set(n.width,n.height)):(s=this.camera,i=t.getPixelRatio(),t.getSize(Lx)),this._pixelRatio=i,this.setSize(Lx.width,Lx.height);const a=t.getRenderTarget(),o=t.getMRT(),u=t.autoClear,l=t.transparent,d=t.opaque,c=s.layers.mask,h=t.contextNode,p=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:xu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const g=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=g,r.overrideMaterial=p,t.setRenderTarget(a),t.setMRT(o),t.autoClear=u,t.transparent=l,t.opaque=d,t.contextNode=h,s.layers.mask=c}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._pixelRatio*this._resolutionScale),s=Math.floor(this._height*this._pixelRatio*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor&&this.renderTarget.scissor.copy(this._scissor),null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport)}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i),this._scissor.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i),this._viewport.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}Ux.COLOR="color",Ux.DEPTH="depth";class Ix extends Ux{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(Ux.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new Yp;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=M;const t=zd.negate(),r=td.mul(Rd),s=pn(1),i=r.mul(Rn(Bd,1)),n=r.mul(Rn(Bd.add(t),1)),a=_o(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Rn(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const Ox=on(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Vx=on(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),kx=on(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Gx=on(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),zx=on(([e,t])=>{const r=Mn(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=Mn(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=Gx(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),$x=Mn(_n(1.6605,-.1246,-.0182),_n(-.5876,1.1329,-.1006),_n(-.0728,-.0083,1.1187)),Wx=Mn(_n(.6274,.0691,.0164),_n(.3293,.9195,.088),_n(.0433,.0113,.8956)),Hx=on(([e])=>{const t=_n(e).toVar(),r=_n(t.mul(t)).toVar(),s=_n(r.mul(r)).toVar();return pn(15.5).mul(s.mul(r)).sub(Ba(40.14,s.mul(t))).add(Ba(31.96,s).sub(Ba(6.868,r.mul(t))).add(Ba(.4298,r).add(Ba(.1191,t).sub(.00232))))}),qx=on(([e,t])=>{const r=_n(e).toVar(),s=Mn(_n(.856627153315983,.137318972929847,.11189821299995),_n(.0951212405381588,.761241990602591,.0767994186031903),_n(.0482516061458583,.101439036467562,.811302368396859)),i=Mn(_n(1.1271005818144368,-.1413297634984383,-.14132976349843826),_n(-.11060664309660323,1.157823702216272,-.11060664309660294),_n(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=pn(-12.47393),a=pn(4.026069);return r.mulAssign(t),r.assign(Wx.mul(r)),r.assign(s.mul(r)),r.assign(Wo(r,1e-10)),r.assign(fo(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(nu(r,0,1)),r.assign(Hx(r)),r.assign(i.mul(r)),r.assign(Qo(Wo(_n(0),r),_n(2.2))),r.assign($x.mul(r)),r.assign(nu(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),jx=on(([e,t])=>{const r=pn(.76),s=pn(.15);e=e.mul(t);const i=$o(e.r,$o(e.g,e.b)),n=yu(i.lessThan(.08),i.sub(Ba(6.25,i.mul(i))),.04);e.subAssign(n);const a=Wo(e.r,Wo(e.g,e.b));dn(a.lessThan(r),()=>e);const o=Ma(1,r),u=Ma(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Ma(1,Pa(1,s.mul(a.sub(u)).add(1)));return iu(e,_n(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class Xx extends oi{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const Kx=tn(Xx).setParameterLength(1,3);class Yx extends Xx{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const Qx=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=new Yx(e,t,r),i=(...e)=>s.call(...e);return i.functionNode=s,i};class Zx extends oi{static get type(){return"ScriptableValueNode"}constructor(e=null){super(),this._value=e,this._cache=null,this.inputType=null,this.outputType=null,this.events=new u,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(e){this._value!==e&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=e,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const e=this.value;if(e&&null===this._cache&&"URL"===this.inputType&&e.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([e.value]));else if(e&&null!==e.value&&void 0!==e.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof e.value||"Number"===this.inputType&&"number"==typeof e.value||"Vector2"===this.inputType&&e.value.isVector2||"Vector3"===this.inputType&&e.value.isVector3||"Vector4"===this.inputType&&e.value.isVector4||"Color"===this.inputType&&e.value.isColor||"Matrix3"===this.inputType&&e.value.isMatrix3||"Matrix4"===this.inputType&&e.value.isMatrix4))return e.value;return this._cache||e}getNodeType(e){return this.value&&this.value.isNode?this.value.getNodeType(e):"float"}setup(){return this.value&&this.value.isNode?this.value:pn()}serialize(e){super.serialize(e),null!==this.value?"ArrayBuffer"===this.inputType?e.value=Xs(this.value):e.value=this.value?this.value.toJSON(e.meta).uuid:null:e.value=null,e.inputType=this.inputType,e.outputType=this.outputType}deserialize(e){super.deserialize(e);let t=null;null!==e.value&&(t="ArrayBuffer"===e.inputType?Ks(e.value):"Texture"===e.inputType?e.meta.textures[e.value]:e.meta.nodes[e.value]||null),this.value=t,this.inputType=e.inputType,this.outputType=e.outputType}}const Jx=tn(Zx).setParameterLength(1);class eT extends Map{get(e,t=null,...r){if(this.has(e))return super.get(e);if(null!==t){const s=t(...r);return this.set(e,s),s}}}class tT{constructor(e){this.scriptableNode=e}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(e){return this.scriptableNode.getInputLayout(e)}get(e){const t=this.parameters[e];return t?t.getValue():null}}const rT=new eT;class sT extends oi{static get type(){return"ScriptableNode"}constructor(e=null,t={}){super(),this.codeNode=e,this.parameters=t,this._local=new eT,this._output=Jx(null),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(e,t){return this._local.set(e,t)}getLocal(e){return this._local.get(e)}onRefresh(){this._refresh()}getInputLayout(e){for(const t of this.getLayout())if(t.inputType&&(t.id===e||t.name===e))return t}getOutputLayout(e){for(const t of this.getLayout())if(t.outputType&&(t.id===e||t.name===e))return t}setOutput(e,t){const r=this._outputs;return void 0===r[e]?r[e]=Jx(t):r[e].value=t,this}getOutput(e){return this._outputs[e]}getParameter(e){return this.parameters[e]}setParameter(e,t){const r=this.parameters;return t&&t.isScriptableNode?(this.deleteParameter(e),r[e]=t,r[e].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):t&&t.isScriptableValueNode?(this.deleteParameter(e),r[e]=t,r[e].events.addEventListener("refresh",this.onRefresh)):void 0===r[e]?(r[e]=Jx(t),r[e].events.addEventListener("refresh",this.onRefresh)):r[e].value=t,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(e){let t=this.parameters[e];return t&&(t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const e of Object.keys(this.parameters))this.deleteParameter(e);return this.needsUpdate=!0,this}call(e,...t){const r=this.getObject()[e];if("function"==typeof r)return r(...t)}async callAsync(e,...t){const r=this.getObject()[e];if("function"==typeof r)return"AsyncFunction"===r.constructor.name?await r(...t):r(...t)}getNodeType(e){return this.getDefaultOutputNode().getNodeType(e)}refresh(e=null){null!==e?this.getOutput(e).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const e=new tT(this),t=rT.get("THREE"),r=rT.get("TSL"),s=this.getMethod(),i=[e,this._local,rT,()=>this.refresh(),(e,t)=>this.setOutput(e,t),t,r];this._object=s(...i);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const e of n.elements){const t=e.id||e.name;e.inputType&&(void 0===this.getParameter(t)&&this.setParameter(t,null),this.getParameter(t).inputType=e.inputType),e.outputType&&(void 0===this.getOutput(t)&&this.setOutput(t,null),this.getOutput(t).outputType=e.outputType)}return this._object}deserialize(e){super.deserialize(e);for(const e in this.parameters){let t=this.parameters[e];t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const e=this.getDefaultOutput().value;return e&&e.isNode?e:pn()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const e=["layout","init","main","dispose"].join(", "),t="\nreturn { ...output, "+e+" };",r="var "+e+"; var output = {};\n"+this.codeNode.code+t;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],r),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}getCacheKey(e){const t=[Ds(this.source),this.getDefaultOutputNode().getCacheKey(e)];for(const r in this.parameters)t.push(this.parameters[r].getCacheKey(e));return Us(t)}set needsUpdate(e){!0===e&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const iT=tn(sT).setParameterLength(1,2);function nT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Dd.z).negate()}const aT=on(([e,t],r)=>{const s=nT(r);return uu(e,t,s)}),oT=on(([e],t)=>{const r=nT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),uT=on(([e,t],r)=>{const s=nT(r),i=t.sub(Ld.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),lT=on(([e,t])=>Rn(t.toFloat().mix(sa.rgb,e.toVec3()),sa.a));let dT=null,cT=null;class hT extends oi{static get type(){return"RangeNode"}constructor(e=pn(),t=pn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(Hs(t.value)),i=e.getTypeLength(Hs(r.value));return s>i?s:i}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Error('THREE.TSL: No "ConstNode" found in node graph.');return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(Hs(a)),d=e.getTypeLength(Hs(o));dT=dT||new s,cT=cT||new s,dT.setScalar(0),cT.setScalar(0),1===u?dT.setScalar(a):a.isColor?dT.set(a.r,a.g,a.b,1):dT.set(a.x,a.y,a.z||0,a.w||0),1===d?cT.setScalar(o):o.isColor?cT.set(o.r,o.g,o.b,1):cT.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=dT.getComponent(t),s=cT.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(t.count<=4096)r=Dl(p,"vec4",t.count).element(qh).convert(g);else{const t=new W(p,4);e.geometry.setAttribute("__range"+this.id,t),r=Ju(t).convert(g)}}else r=pn(0);return r}}const pT=tn(hT).setParameterLength(2);class gT extends oi{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const mT=(e,t)=>new gT(e,t),fT=mT("numWorkgroups","uvec3"),yT=mT("workgroupId","uvec3"),bT=mT("globalId","uvec3"),xT=mT("localId","uvec3"),TT=mT("subgroupSize","uint");const _T=tn(class extends oi{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}});class vT extends ui{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class NT extends oi{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new vT(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class ST extends oi{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=pl(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}ST.ATOMIC_LOAD="atomicLoad",ST.ATOMIC_STORE="atomicStore",ST.ATOMIC_ADD="atomicAdd",ST.ATOMIC_SUB="atomicSub",ST.ATOMIC_MAX="atomicMax",ST.ATOMIC_MIN="atomicMin",ST.ATOMIC_AND="atomicAnd",ST.ATOMIC_OR="atomicOr",ST.ATOMIC_XOR="atomicXor";const RT=tn(ST),AT=(e,t,r)=>RT(e,t,r).toStack();class ET extends di{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}getNodeType(e){const t=this.method;return t===ET.SUBGROUP_ELECT?"bool":t===ET.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===ET.SUBGROUP_BROADCAST||r===ET.SUBGROUP_SHUFFLE||r===ET.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===ET.SUBGROUP_SHUFFLE_XOR||r===ET.SUBGROUP_SHUFFLE_DOWN||r===ET.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}ET.SUBGROUP_ELECT="subgroupElect",ET.SUBGROUP_BALLOT="subgroupBallot",ET.SUBGROUP_ADD="subgroupAdd",ET.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",ET.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",ET.SUBGROUP_MUL="subgroupMul",ET.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",ET.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",ET.SUBGROUP_AND="subgroupAnd",ET.SUBGROUP_OR="subgroupOr",ET.SUBGROUP_XOR="subgroupXor",ET.SUBGROUP_MIN="subgroupMin",ET.SUBGROUP_MAX="subgroupMax",ET.SUBGROUP_ALL="subgroupAll",ET.SUBGROUP_ANY="subgroupAny",ET.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",ET.QUAD_SWAP_X="quadSwapX",ET.QUAD_SWAP_Y="quadSwapY",ET.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",ET.SUBGROUP_BROADCAST="subgroupBroadcast",ET.SUBGROUP_SHUFFLE="subgroupShuffle",ET.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",ET.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",ET.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",ET.QUAD_BROADCAST="quadBroadcast";const wT=sn(ET,ET.SUBGROUP_ELECT).setParameterLength(0),CT=sn(ET,ET.SUBGROUP_BALLOT).setParameterLength(1),MT=sn(ET,ET.SUBGROUP_ADD).setParameterLength(1),BT=sn(ET,ET.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),PT=sn(ET,ET.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),LT=sn(ET,ET.SUBGROUP_MUL).setParameterLength(1),FT=sn(ET,ET.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),DT=sn(ET,ET.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),UT=sn(ET,ET.SUBGROUP_AND).setParameterLength(1),IT=sn(ET,ET.SUBGROUP_OR).setParameterLength(1),OT=sn(ET,ET.SUBGROUP_XOR).setParameterLength(1),VT=sn(ET,ET.SUBGROUP_MIN).setParameterLength(1),kT=sn(ET,ET.SUBGROUP_MAX).setParameterLength(1),GT=sn(ET,ET.SUBGROUP_ALL).setParameterLength(0),zT=sn(ET,ET.SUBGROUP_ANY).setParameterLength(0),$T=sn(ET,ET.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),WT=sn(ET,ET.QUAD_SWAP_X).setParameterLength(1),HT=sn(ET,ET.QUAD_SWAP_Y).setParameterLength(1),qT=sn(ET,ET.QUAD_SWAP_DIAGONAL).setParameterLength(1),jT=sn(ET,ET.SUBGROUP_BROADCAST).setParameterLength(2),XT=sn(ET,ET.SUBGROUP_SHUFFLE).setParameterLength(2),KT=sn(ET,ET.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),YT=sn(ET,ET.SUBGROUP_SHUFFLE_UP).setParameterLength(2),QT=sn(ET,ET.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),ZT=sn(ET,ET.QUAD_BROADCAST).setParameterLength(1);let JT;function e_(e){JT=JT||new WeakMap;let t=JT.get(e);return void 0===t&&JT.set(e,t={}),t}function t_(e){const t=e_(e);return t.shadowMatrix||(t.shadowMatrix=Ta("mat4").setGroup(ya).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function r_(e,t=Ld){const r=t_(e).mul(t);return r.xyz.div(r.w)}function s_(e){const t=e_(e);return t.position||(t.position=Ta(new r).setGroup(ya).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function i_(e){const t=e_(e);return t.targetPosition||(t.targetPosition=Ta(new r).setGroup(ya).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function n_(e){const t=e_(e);return t.viewPosition||(t.viewPosition=Ta(new r).setGroup(ya).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const a_=e=>sd.transformDirection(s_(e).sub(i_(e))),o_=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},u_=new WeakMap,l_=[];class d_ extends oi{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=Dn("vec3","totalDiffuse"),this.totalSpecularNode=Dn("vec3","totalSpecular"),this.outgoingLightNode=Dn("vec3","outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(l_.push(r.id),l_.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;l_.push(e,t)}}const t=Us(l_);return l_.length=0,t}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort((e,t)=>e.id-t.id))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Qi(e));else{let s=null;if(null!==r&&(s=o_(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;u_.has(e)?s=u_.get(e):(s=new r(e),u_.set(e,s)),t.push(s)}}this._lightNodes=t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){return null===this._lightNodes&&this.setupLightsNode(e),this._lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=_n(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class c_ extends oi{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Zs.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){h_.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||Ld)}}const h_=Dn("vec3","shadowPositionWorld");function p_(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function g_(e,t){return t=p_(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function m_(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function f_(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function y_(e,t){return t=f_(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function b_(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function x_(e,t,r){return r=y_(t,r=g_(e,r))}function T_(e,t,r){m_(e,r),b_(t,r)}var __=Object.freeze({__proto__:null,resetRendererAndSceneState:x_,resetRendererState:g_,resetSceneState:y_,restoreRendererAndSceneState:T_,restoreRendererState:m_,restoreSceneState:b_,saveRendererAndSceneState:function(e,t,r={}){return r=f_(t,r=p_(e,r))},saveRendererState:p_,saveSceneState:f_});const v_=new WeakMap,N_=on(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Pl(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),S_=on(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Pl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=mc("mapSize","vec2",r).setGroup(ya),a=mc("radius","float",r).setGroup(ya),o=yn(1).div(n),u=a.mul(o.x),l=Yb(ql.xy).mul(6.28318530718);return Ca(i(t.xy.add(Qb(0,5,l).mul(u)),t.z),i(t.xy.add(Qb(1,5,l).mul(u)),t.z),i(t.xy.add(Qb(2,5,l).mul(u)),t.z),i(t.xy.add(Qb(3,5,l).mul(u)),t.z),i(t.xy.add(Qb(4,5,l).mul(u)),t.z)).mul(.2)}),R_=on(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Pl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=mc("mapSize","vec2",r).setGroup(ya),a=yn(1).div(n),o=a.x,u=a.y,l=t.xy,d=vo(l.mul(n).add(.5));return l.subAssign(d.mul(a)),Ca(i(l,t.z),i(l.add(yn(o,0)),t.z),i(l.add(yn(0,u)),t.z),i(l.add(a),t.z),iu(i(l.add(yn(o.negate(),0)),t.z),i(l.add(yn(o.mul(2),0)),t.z),d.x),iu(i(l.add(yn(o.negate(),u)),t.z),i(l.add(yn(o.mul(2),u)),t.z),d.x),iu(i(l.add(yn(0,u.negate())),t.z),i(l.add(yn(0,u.mul(2))),t.z),d.y),iu(i(l.add(yn(o,u.negate())),t.z),i(l.add(yn(o,u.mul(2))),t.z),d.y),iu(iu(i(l.add(yn(o.negate(),u.negate())),t.z),i(l.add(yn(o.mul(2),u.negate())),t.z),d.x),iu(i(l.add(yn(o.negate(),u.mul(2))),t.z),i(l.add(yn(o.mul(2),u.mul(2))),t.z),d.x),d.y)).mul(1/9)}),A_=on(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Pl(e).sample(t.xy);e.isArrayTexture&&(s=s.depth(r)),s=s.rg;const i=s.x,n=Wo(1e-7,s.y.mul(s.y)),a=Ho(t.z,i);dn(a.equal(1),()=>pn(1));const o=t.z.sub(i);let u=n.div(n.add(o.mul(o)));return u=nu(Ma(u,.3).div(.65)),Wo(a,u)}),E_=on(([e,t,r])=>{let s=Ld.sub(e).length();return s=s.sub(t).div(r.sub(t)),s=s.saturate(),s}),w_=e=>{let t=v_.get(e);if(void 0===t){const r=e.isPointLight?(e=>{const t=e.shadow.camera,r=mc("near","float",t).setGroup(ya),s=mc("far","float",t).setGroup(ya),i=hd(e);return E_(i,r,s)})(e):null;t=new Yp,t.colorNode=Rn(0,0,0,1),t.depthNode=r,t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.fog=!1,v_.set(e,t)}return t},C_=e=>{const t=v_.get(e);void 0!==t&&(t.dispose(),v_.delete(e))},M_=new Kf,B_=[],P_=(e,t,r,s)=>{B_[0]=e,B_[1]=t;let i=M_.get(B_);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===Ze)&&(s&&(js(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,M_.set(B_,i)),B_[0]=null,B_[1]=null,i},L_=on(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=pn(0).toVar("meanVertical"),a=pn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(pn(1)).select(pn(0),pn(2).div(e.sub(1))),u=e.lessThanEqual(pn(1)).select(pn(0),pn(-1));op({start:gn(0),end:gn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(pn(e).mul(o));let d=s.sample(Ca(ql.xy,yn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=yo(a.sub(n.mul(n)).max(0));return yn(n,l)}),F_=on(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=pn(0).toVar("meanHorizontal"),a=pn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(pn(1)).select(pn(0),pn(2).div(e.sub(1))),u=e.lessThanEqual(pn(1)).select(pn(0),pn(-1));op({start:gn(0),end:gn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(pn(e).mul(o));let d=s.sample(Ca(ql.xy,yn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Ca(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=yo(a.sub(n.mul(n)).max(0));return yn(n,l)}),D_=[N_,S_,R_,A_];let U_;const I_=new $b;class O_ extends c_{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,pn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=mc("bias","float",r).setGroup(ya);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z,s.coordinateSystem===h&&(n=n.mul(2).sub(1));else{const e=a.w;a=a.xy.div(e);const t=mc("near","float",r.camera).setGroup(ya),s=mc("far","float",r.camera).setGroup(ya);n=Pp(e.negate(),t,s)}return a=_n(a.x,a.y.oneMinus(),n.add(i)),a}getShadowFilterFn(e){return D_[e]}setupRenderTarget(e,t){const r=new Y(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=E;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,n=t.shadowMap.type,{depthTexture:a,shadowMap:o}=this.setupRenderTarget(i,e);if(i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),n===Ze&&!0!==i.isPointLightShadow){a.compareFunction=null,o.depth>1?(o._vsmShadowMapVertical||(o._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:o.depth,depthBuffer:!1}),o._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=o._vsmShadowMapVertical,o._vsmShadowMapHorizontal||(o._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:o.depth,depthBuffer:!1}),o._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=o._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}));let t=Pl(a);a.isArrayTexture&&(t=t.depth(this.depthLayer));let r=Pl(this.vsmShadowMapVertical.texture);a.isArrayTexture&&(r=r.depth(this.depthLayer));const s=mc("blurSamples","float",i).setGroup(ya),n=mc("radius","float",i).setGroup(ya),u=mc("mapSize","vec2",i).setGroup(ya);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new Yp);l.fragmentNode=L_({samples:s,radius:n,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new Yp),l.fragmentNode=F_({samples:s,radius:n,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const u=mc("intensity","float",i).setGroup(ya),l=mc("normalBias","float",i).setGroup(ya),d=t_(s).mul(h_.add(jd.mul(l))),c=this.setupShadowCoord(e,d),h=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===h)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const p=n===Ze&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:a,g=this.setupShadowFilter(e,{filterFn:h,shadowTexture:o.texture,depthTexture:p,shadowCoord:c,shadow:i,depthLayer:this.depthLayer});let m,f;!0===t.shadowMap.transmitted&&(o.texture.isCubeTexture?m=hc(o.texture,c.xyz):(m=Pl(o.texture,c),a.isArrayTexture&&(m=m.depth(this.depthLayer)))),f=m?iu(1,g.rgb.mix(m,1),u.mul(m.a)).toVar():iu(1,g,u).toVar(),this.shadowMap=o,this.shadow.map=o;const y=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return m&&f.toInspector(`${y} / Color`,()=>this.shadowMap.texture.isCubeTexture?hc(this.shadowMap.texture):Pl(this.shadowMap.texture)),f.toInspector(`${y} / Depth`,()=>this.shadowMap.texture.isCubeTexture?hc(this.shadowMap.texture).r.oneMinus():Ll(this.shadowMap.depthTexture,Sl().mul(Al(Pl(this.shadowMap.depthTexture)))).r.oneMinus())}setup(e){if(!1!==e.renderer.shadowMap.enabled)return on(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");U_=x_(i,n,U_),n.overrideMaterial=w_(r),i.setRenderObjectFunction(P_(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===Ze&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,T_(i,n,U_)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),I_.material=this.vsmMaterialVertical,I_.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),I_.material=this.vsmMaterialHorizontal,I_.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,C_(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const V_=(e,t)=>new O_(e,t),k_=new e,G_=new a,z_=new r,$_=new r,W_=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],H_=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],q_=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],j_=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],X_=on(({depthTexture:e,bd3D:t,dp:r})=>hc(e,t).compare(r)),K_=on(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=mc("radius","float",s).setGroup(ya),n=mc("mapSize","vec2",s).setGroup(ya),a=i.div(n.x),o=Co(t),u=_o(Yo(t,o.x.greaterThan(o.z).select(_n(0,1,0),_n(1,0,0)))),l=Yo(t,u),d=Yb(ql.xy).mul(6.28318530718),c=Qb(0,5,d),h=Qb(1,5,d),p=Qb(2,5,d),g=Qb(3,5,d),m=Qb(4,5,d);return hc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(hc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(hc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(hc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(hc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),Y_=on(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toVar(),n=i.length(),a=Ta("float").setGroup(ya).onRenderUpdate(()=>s.camera.near),o=Ta("float").setGroup(ya).onRenderUpdate(()=>s.camera.far),u=mc("bias","float",s).setGroup(ya),l=pn(1).toVar();return dn(n.sub(o).lessThanEqual(0).and(n.sub(a).greaterThanEqual(0)),()=>{const r=n.sub(a).div(o.sub(a)).toVar();r.addAssign(u);const d=i.normalize();l.assign(e({depthTexture:t,bd3D:d,dp:r,shadow:s}))}),l});class Q_ extends O_{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===Je?X_:K_}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return Y_({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new et(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=E;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?W_:q_,d=u?H_:j_;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(k_),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),z_.setFromMatrixPosition(s.matrixWorld),a.position.copy(z_),$_.copy(a.position),$_.add(l[e]),a.up.copy(d[e]),a.lookAt($_),a.updateMatrixWorld(),o.makeTranslation(-z_.x,-z_.y,-z_.z),G_.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(G_,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const Z_=(e,t)=>new Q_(e,t);class J_ extends gp{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||Ta(this.color).setGroup(ya),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Zs.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return n_(this.light).sub(e.context.positionView||Dd)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return V_(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?Qi(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const ev=on(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),tv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=ev({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class rv extends J_{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=Ta(0).setGroup(ya),this.decayExponentNode=Ta(2).setGroup(ya)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return Z_(this.light)}setupDirect(e){return tv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const sv=on(([e=Sl()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),iv=on(([e=Sl()],{renderer:t,material:r})=>{const s=su(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=pn(s.fwidth()).toVar();i=uu(e.oneMinus(),e.add(1),s).oneMinus()}else i=yu(s.greaterThan(1),0,1);return i}),nv=on(([e,t,r])=>{const s=pn(r).toVar(),i=pn(t).toVar(),n=fn(e).toVar();return yu(n,i,s)}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),av=on(([e,t])=>{const r=fn(t).toVar(),s=pn(e).toVar();return yu(r,s.negate(),s)}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),ov=on(([e])=>{const t=pn(e).toVar();return gn(xo(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),uv=on(([e,t])=>{const r=pn(e).toVar();return t.assign(ov(r)),r.sub(pn(t))}),lv=pb([on(([e,t,r,s,i,n])=>{const a=pn(n).toVar(),o=pn(i).toVar(),u=pn(s).toVar(),l=pn(r).toVar(),d=pn(t).toVar(),c=pn(e).toVar(),h=pn(Ma(1,o)).toVar();return Ma(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),on(([e,t,r,s,i,n])=>{const a=pn(n).toVar(),o=pn(i).toVar(),u=_n(s).toVar(),l=_n(r).toVar(),d=_n(t).toVar(),c=_n(e).toVar(),h=pn(Ma(1,o)).toVar();return Ma(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),dv=pb([on(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=pn(d).toVar(),h=pn(l).toVar(),p=pn(u).toVar(),g=pn(o).toVar(),m=pn(a).toVar(),f=pn(n).toVar(),y=pn(i).toVar(),b=pn(s).toVar(),x=pn(r).toVar(),T=pn(t).toVar(),_=pn(e).toVar(),v=pn(Ma(1,p)).toVar(),N=pn(Ma(1,h)).toVar();return pn(Ma(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),on(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=pn(d).toVar(),h=pn(l).toVar(),p=pn(u).toVar(),g=_n(o).toVar(),m=_n(a).toVar(),f=_n(n).toVar(),y=_n(i).toVar(),b=_n(s).toVar(),x=_n(r).toVar(),T=_n(t).toVar(),_=_n(e).toVar(),v=pn(Ma(1,p)).toVar(),N=pn(Ma(1,h)).toVar();return pn(Ma(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),cv=on(([e,t,r])=>{const s=pn(r).toVar(),i=pn(t).toVar(),n=mn(e).toVar(),a=mn(n.bitAnd(mn(7))).toVar(),o=pn(nv(a.lessThan(mn(4)),i,s)).toVar(),u=pn(Ba(2,nv(a.lessThan(mn(4)),s,i))).toVar();return av(o,fn(a.bitAnd(mn(1)))).add(av(u,fn(a.bitAnd(mn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),hv=on(([e,t,r,s])=>{const i=pn(s).toVar(),n=pn(r).toVar(),a=pn(t).toVar(),o=mn(e).toVar(),u=mn(o.bitAnd(mn(15))).toVar(),l=pn(nv(u.lessThan(mn(8)),a,n)).toVar(),d=pn(nv(u.lessThan(mn(4)),n,nv(u.equal(mn(12)).or(u.equal(mn(14))),a,i))).toVar();return av(l,fn(u.bitAnd(mn(1)))).add(av(d,fn(u.bitAnd(mn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),pv=pb([cv,hv]),gv=on(([e,t,r])=>{const s=pn(r).toVar(),i=pn(t).toVar(),n=Nn(e).toVar();return _n(pv(n.x,i,s),pv(n.y,i,s),pv(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),mv=on(([e,t,r,s])=>{const i=pn(s).toVar(),n=pn(r).toVar(),a=pn(t).toVar(),o=Nn(e).toVar();return _n(pv(o.x,a,n,i),pv(o.y,a,n,i),pv(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),fv=pb([gv,mv]),yv=on(([e])=>{const t=pn(e).toVar();return Ba(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),bv=on(([e])=>{const t=pn(e).toVar();return Ba(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),xv=pb([yv,on(([e])=>{const t=_n(e).toVar();return Ba(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Tv=pb([bv,on(([e])=>{const t=_n(e).toVar();return Ba(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),_v=on(([e,t])=>{const r=gn(t).toVar(),s=mn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(gn(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),vv=on(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(_v(r,gn(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(_v(e,gn(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(_v(t,gn(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(_v(r,gn(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(_v(e,gn(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(_v(t,gn(4))),t.addAssign(e)}),Nv=on(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=mn(e).toVar();return s.bitXorAssign(i),s.subAssign(_v(i,gn(14))),n.bitXorAssign(s),n.subAssign(_v(s,gn(11))),i.bitXorAssign(n),i.subAssign(_v(n,gn(25))),s.bitXorAssign(i),s.subAssign(_v(i,gn(16))),n.bitXorAssign(s),n.subAssign(_v(s,gn(4))),i.bitXorAssign(n),i.subAssign(_v(n,gn(14))),s.bitXorAssign(i),s.subAssign(_v(i,gn(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),Sv=on(([e])=>{const t=mn(e).toVar();return pn(t).div(pn(mn(gn(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),Rv=on(([e])=>{const t=pn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),Av=pb([on(([e])=>{const t=gn(e).toVar(),r=mn(mn(1)).toVar(),s=mn(mn(gn(3735928559)).add(r.shiftLeft(mn(2))).add(mn(13))).toVar();return Nv(s.add(mn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),on(([e,t])=>{const r=gn(t).toVar(),s=gn(e).toVar(),i=mn(mn(2)).toVar(),n=mn().toVar(),a=mn().toVar(),o=mn().toVar();return n.assign(a.assign(o.assign(mn(gn(3735928559)).add(i.shiftLeft(mn(2))).add(mn(13))))),n.addAssign(mn(s)),a.addAssign(mn(r)),Nv(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),on(([e,t,r])=>{const s=gn(r).toVar(),i=gn(t).toVar(),n=gn(e).toVar(),a=mn(mn(3)).toVar(),o=mn().toVar(),u=mn().toVar(),l=mn().toVar();return o.assign(u.assign(l.assign(mn(gn(3735928559)).add(a.shiftLeft(mn(2))).add(mn(13))))),o.addAssign(mn(n)),u.addAssign(mn(i)),l.addAssign(mn(s)),Nv(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),on(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=gn(t).toVar(),o=gn(e).toVar(),u=mn(mn(4)).toVar(),l=mn().toVar(),d=mn().toVar(),c=mn().toVar();return l.assign(d.assign(c.assign(mn(gn(3735928559)).add(u.shiftLeft(mn(2))).add(mn(13))))),l.addAssign(mn(o)),d.addAssign(mn(a)),c.addAssign(mn(n)),vv(l,d,c),l.addAssign(mn(i)),Nv(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),on(([e,t,r,s,i])=>{const n=gn(i).toVar(),a=gn(s).toVar(),o=gn(r).toVar(),u=gn(t).toVar(),l=gn(e).toVar(),d=mn(mn(5)).toVar(),c=mn().toVar(),h=mn().toVar(),p=mn().toVar();return c.assign(h.assign(p.assign(mn(gn(3735928559)).add(d.shiftLeft(mn(2))).add(mn(13))))),c.addAssign(mn(l)),h.addAssign(mn(u)),p.addAssign(mn(o)),vv(c,h,p),c.addAssign(mn(a)),h.addAssign(mn(n)),Nv(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),Ev=pb([on(([e,t])=>{const r=gn(t).toVar(),s=gn(e).toVar(),i=mn(Av(s,r)).toVar(),n=Nn().toVar();return n.x.assign(i.bitAnd(gn(255))),n.y.assign(i.shiftRight(gn(8)).bitAnd(gn(255))),n.z.assign(i.shiftRight(gn(16)).bitAnd(gn(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),on(([e,t,r])=>{const s=gn(r).toVar(),i=gn(t).toVar(),n=gn(e).toVar(),a=mn(Av(n,i,s)).toVar(),o=Nn().toVar();return o.x.assign(a.bitAnd(gn(255))),o.y.assign(a.shiftRight(gn(8)).bitAnd(gn(255))),o.z.assign(a.shiftRight(gn(16)).bitAnd(gn(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),wv=pb([on(([e])=>{const t=yn(e).toVar(),r=gn().toVar(),s=gn().toVar(),i=pn(uv(t.x,r)).toVar(),n=pn(uv(t.y,s)).toVar(),a=pn(Rv(i)).toVar(),o=pn(Rv(n)).toVar(),u=pn(lv(pv(Av(r,s),i,n),pv(Av(r.add(gn(1)),s),i.sub(1),n),pv(Av(r,s.add(gn(1))),i,n.sub(1)),pv(Av(r.add(gn(1)),s.add(gn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return xv(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),on(([e])=>{const t=_n(e).toVar(),r=gn().toVar(),s=gn().toVar(),i=gn().toVar(),n=pn(uv(t.x,r)).toVar(),a=pn(uv(t.y,s)).toVar(),o=pn(uv(t.z,i)).toVar(),u=pn(Rv(n)).toVar(),l=pn(Rv(a)).toVar(),d=pn(Rv(o)).toVar(),c=pn(dv(pv(Av(r,s,i),n,a,o),pv(Av(r.add(gn(1)),s,i),n.sub(1),a,o),pv(Av(r,s.add(gn(1)),i),n,a.sub(1),o),pv(Av(r.add(gn(1)),s.add(gn(1)),i),n.sub(1),a.sub(1),o),pv(Av(r,s,i.add(gn(1))),n,a,o.sub(1)),pv(Av(r.add(gn(1)),s,i.add(gn(1))),n.sub(1),a,o.sub(1)),pv(Av(r,s.add(gn(1)),i.add(gn(1))),n,a.sub(1),o.sub(1)),pv(Av(r.add(gn(1)),s.add(gn(1)),i.add(gn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return Tv(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),Cv=pb([on(([e])=>{const t=yn(e).toVar(),r=gn().toVar(),s=gn().toVar(),i=pn(uv(t.x,r)).toVar(),n=pn(uv(t.y,s)).toVar(),a=pn(Rv(i)).toVar(),o=pn(Rv(n)).toVar(),u=_n(lv(fv(Ev(r,s),i,n),fv(Ev(r.add(gn(1)),s),i.sub(1),n),fv(Ev(r,s.add(gn(1))),i,n.sub(1)),fv(Ev(r.add(gn(1)),s.add(gn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return xv(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),on(([e])=>{const t=_n(e).toVar(),r=gn().toVar(),s=gn().toVar(),i=gn().toVar(),n=pn(uv(t.x,r)).toVar(),a=pn(uv(t.y,s)).toVar(),o=pn(uv(t.z,i)).toVar(),u=pn(Rv(n)).toVar(),l=pn(Rv(a)).toVar(),d=pn(Rv(o)).toVar(),c=_n(dv(fv(Ev(r,s,i),n,a,o),fv(Ev(r.add(gn(1)),s,i),n.sub(1),a,o),fv(Ev(r,s.add(gn(1)),i),n,a.sub(1),o),fv(Ev(r.add(gn(1)),s.add(gn(1)),i),n.sub(1),a.sub(1),o),fv(Ev(r,s,i.add(gn(1))),n,a,o.sub(1)),fv(Ev(r.add(gn(1)),s,i.add(gn(1))),n.sub(1),a,o.sub(1)),fv(Ev(r,s.add(gn(1)),i.add(gn(1))),n,a.sub(1),o.sub(1)),fv(Ev(r.add(gn(1)),s.add(gn(1)),i.add(gn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return Tv(c)}).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),Mv=pb([on(([e])=>{const t=pn(e).toVar(),r=gn(ov(t)).toVar();return Sv(Av(r))}).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),on(([e])=>{const t=yn(e).toVar(),r=gn(ov(t.x)).toVar(),s=gn(ov(t.y)).toVar();return Sv(Av(r,s))}).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),on(([e])=>{const t=_n(e).toVar(),r=gn(ov(t.x)).toVar(),s=gn(ov(t.y)).toVar(),i=gn(ov(t.z)).toVar();return Sv(Av(r,s,i))}).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),on(([e])=>{const t=Rn(e).toVar(),r=gn(ov(t.x)).toVar(),s=gn(ov(t.y)).toVar(),i=gn(ov(t.z)).toVar(),n=gn(ov(t.w)).toVar();return Sv(Av(r,s,i,n))}).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),Bv=pb([on(([e])=>{const t=pn(e).toVar(),r=gn(ov(t)).toVar();return _n(Sv(Av(r,gn(0))),Sv(Av(r,gn(1))),Sv(Av(r,gn(2))))}).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),on(([e])=>{const t=yn(e).toVar(),r=gn(ov(t.x)).toVar(),s=gn(ov(t.y)).toVar();return _n(Sv(Av(r,s,gn(0))),Sv(Av(r,s,gn(1))),Sv(Av(r,s,gn(2))))}).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),on(([e])=>{const t=_n(e).toVar(),r=gn(ov(t.x)).toVar(),s=gn(ov(t.y)).toVar(),i=gn(ov(t.z)).toVar();return _n(Sv(Av(r,s,i,gn(0))),Sv(Av(r,s,i,gn(1))),Sv(Av(r,s,i,gn(2))))}).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),on(([e])=>{const t=Rn(e).toVar(),r=gn(ov(t.x)).toVar(),s=gn(ov(t.y)).toVar(),i=gn(ov(t.z)).toVar(),n=gn(ov(t.w)).toVar();return _n(Sv(Av(r,s,i,n,gn(0))),Sv(Av(r,s,i,n,gn(1))),Sv(Av(r,s,i,n,gn(2))))}).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),Pv=on(([e,t,r,s])=>{const i=pn(s).toVar(),n=pn(r).toVar(),a=gn(t).toVar(),o=_n(e).toVar(),u=pn(0).toVar(),l=pn(1).toVar();return op(a,()=>{u.addAssign(l.mul(wv(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Lv=on(([e,t,r,s])=>{const i=pn(s).toVar(),n=pn(r).toVar(),a=gn(t).toVar(),o=_n(e).toVar(),u=_n(0).toVar(),l=pn(1).toVar();return op(a,()=>{u.addAssign(l.mul(Cv(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Fv=on(([e,t,r,s])=>{const i=pn(s).toVar(),n=pn(r).toVar(),a=gn(t).toVar(),o=_n(e).toVar();return yn(Pv(o,a,n,i),Pv(o.add(_n(gn(19),gn(193),gn(17))),a,n,i))}).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Dv=on(([e,t,r,s])=>{const i=pn(s).toVar(),n=pn(r).toVar(),a=gn(t).toVar(),o=_n(e).toVar(),u=_n(Lv(o,a,n,i)).toVar(),l=pn(Pv(o.add(_n(gn(19),gn(193),gn(17))),a,n,i)).toVar();return Rn(u,l)}).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Uv=pb([on(([e,t,r,s,i,n,a])=>{const o=gn(a).toVar(),u=pn(n).toVar(),l=gn(i).toVar(),d=gn(s).toVar(),c=gn(r).toVar(),h=gn(t).toVar(),p=yn(e).toVar(),g=_n(Bv(yn(h.add(d),c.add(l)))).toVar(),m=yn(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=yn(yn(pn(h),pn(c)).add(m)).toVar(),y=yn(f.sub(p)).toVar();return dn(o.equal(gn(2)),()=>Co(y.x).add(Co(y.y))),dn(o.equal(gn(3)),()=>Wo(Co(y.x),Co(y.y))),Ko(y,y)}).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),on(([e,t,r,s,i,n,a,o,u])=>{const l=gn(u).toVar(),d=pn(o).toVar(),c=gn(a).toVar(),h=gn(n).toVar(),p=gn(i).toVar(),g=gn(s).toVar(),m=gn(r).toVar(),f=gn(t).toVar(),y=_n(e).toVar(),b=_n(Bv(_n(f.add(p),m.add(h),g.add(c)))).toVar();b.subAssign(.5),b.mulAssign(d),b.addAssign(.5);const x=_n(_n(pn(f),pn(m),pn(g)).add(b)).toVar(),T=_n(x.sub(y)).toVar();return dn(l.equal(gn(2)),()=>Co(T.x).add(Co(T.y)).add(Co(T.z))),dn(l.equal(gn(3)),()=>Wo(Co(T.x),Co(T.y),Co(T.z))),Ko(T,T)}).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Iv=on(([e,t,r])=>{const s=gn(r).toVar(),i=pn(t).toVar(),n=yn(e).toVar(),a=gn().toVar(),o=gn().toVar(),u=yn(uv(n.x,a),uv(n.y,o)).toVar(),l=pn(1e6).toVar();return op({start:-1,end:gn(1),name:"x",condition:"<="},({x:e})=>{op({start:-1,end:gn(1),name:"y",condition:"<="},({y:t})=>{const r=pn(Uv(u,e,t,a,o,i,s)).toVar();l.assign($o(l,r))})}),dn(s.equal(gn(0)),()=>{l.assign(yo(l))}),l}).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Ov=on(([e,t,r])=>{const s=gn(r).toVar(),i=pn(t).toVar(),n=yn(e).toVar(),a=gn().toVar(),o=gn().toVar(),u=yn(uv(n.x,a),uv(n.y,o)).toVar(),l=yn(1e6,1e6).toVar();return op({start:-1,end:gn(1),name:"x",condition:"<="},({x:e})=>{op({start:-1,end:gn(1),name:"y",condition:"<="},({y:t})=>{const r=pn(Uv(u,e,t,a,o,i,s)).toVar();dn(r.lessThan(l.x),()=>{l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.y.assign(r)})})}),dn(s.equal(gn(0)),()=>{l.assign(yo(l))}),l}).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Vv=on(([e,t,r])=>{const s=gn(r).toVar(),i=pn(t).toVar(),n=yn(e).toVar(),a=gn().toVar(),o=gn().toVar(),u=yn(uv(n.x,a),uv(n.y,o)).toVar(),l=_n(1e6,1e6,1e6).toVar();return op({start:-1,end:gn(1),name:"x",condition:"<="},({x:e})=>{op({start:-1,end:gn(1),name:"y",condition:"<="},({y:t})=>{const r=pn(Uv(u,e,t,a,o,i,s)).toVar();dn(r.lessThan(l.x),()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.z.assign(l.y),l.y.assign(r)}).ElseIf(r.lessThan(l.z),()=>{l.z.assign(r)})})}),dn(s.equal(gn(0)),()=>{l.assign(yo(l))}),l}).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),kv=pb([Iv,on(([e,t,r])=>{const s=gn(r).toVar(),i=pn(t).toVar(),n=_n(e).toVar(),a=gn().toVar(),o=gn().toVar(),u=gn().toVar(),l=_n(uv(n.x,a),uv(n.y,o),uv(n.z,u)).toVar(),d=pn(1e6).toVar();return op({start:-1,end:gn(1),name:"x",condition:"<="},({x:e})=>{op({start:-1,end:gn(1),name:"y",condition:"<="},({y:t})=>{op({start:-1,end:gn(1),name:"z",condition:"<="},({z:r})=>{const n=pn(Uv(l,e,t,r,a,o,u,i,s)).toVar();d.assign($o(d,n))})})}),dn(s.equal(gn(0)),()=>{d.assign(yo(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Gv=pb([Ov,on(([e,t,r])=>{const s=gn(r).toVar(),i=pn(t).toVar(),n=_n(e).toVar(),a=gn().toVar(),o=gn().toVar(),u=gn().toVar(),l=_n(uv(n.x,a),uv(n.y,o),uv(n.z,u)).toVar(),d=yn(1e6,1e6).toVar();return op({start:-1,end:gn(1),name:"x",condition:"<="},({x:e})=>{op({start:-1,end:gn(1),name:"y",condition:"<="},({y:t})=>{op({start:-1,end:gn(1),name:"z",condition:"<="},({z:r})=>{const n=pn(Uv(l,e,t,r,a,o,u,i,s)).toVar();dn(n.lessThan(d.x),()=>{d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.y.assign(n)})})})}),dn(s.equal(gn(0)),()=>{d.assign(yo(d))}),d}).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),zv=pb([Vv,on(([e,t,r])=>{const s=gn(r).toVar(),i=pn(t).toVar(),n=_n(e).toVar(),a=gn().toVar(),o=gn().toVar(),u=gn().toVar(),l=_n(uv(n.x,a),uv(n.y,o),uv(n.z,u)).toVar(),d=_n(1e6,1e6,1e6).toVar();return op({start:-1,end:gn(1),name:"x",condition:"<="},({x:e})=>{op({start:-1,end:gn(1),name:"y",condition:"<="},({y:t})=>{op({start:-1,end:gn(1),name:"z",condition:"<="},({z:r})=>{const n=pn(Uv(l,e,t,r,a,o,u,i,s)).toVar();dn(n.lessThan(d.x),()=>{d.z.assign(d.y),d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.z.assign(d.y),d.y.assign(n)}).ElseIf(n.lessThan(d.z),()=>{d.z.assign(n)})})})}),dn(s.equal(gn(0)),()=>{d.assign(yo(d))}),d}).setLayout({name:"mx_worley_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),$v=on(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=gn(e).toVar(),h=yn(t).toVar(),p=yn(r).toVar(),g=yn(s).toVar(),m=pn(i).toVar(),f=pn(n).toVar(),y=pn(a).toVar(),b=fn(o).toVar(),x=gn(u).toVar(),T=pn(l).toVar(),_=pn(d).toVar(),v=h.mul(p).add(g),N=pn(0).toVar();return 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Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),FN=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0");class DN{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=[],this.sequentialNodes=[],this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.types={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.declarations={},this.flow={code:""},this.chaining=[],this.stack=Ly(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new 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it||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=Ly(this.stack);const e=ln();return this.stacks.push(e),un(this.stack),this.stack}removeStack(){const e=this.stack;for(const t 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i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new hN(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new aN(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new oN(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new uN(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new lN("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=new Yx,r=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=r,t}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new By(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new cN,this.stack=Ly();for(const r of ri)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(o(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new Yp),e.build(this)}else this.addFlow("compute",e);for(const e of ri){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of si){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=BN.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new vN(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new NN(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new SN(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new RN(e);else if("color"===t)s=new AN(e);else if("mat2"===t)s=new EN(e);else if("mat3"===t)s=new wN(e);else{if("mat4"!==t)throw new Error(`Uniform "${t}" not implemented.`);s=new CN(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${nt} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===js(this.object).useVelocity}}class UN{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Zs.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===Zs.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===Zs.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Zs.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===Zs.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===Zs.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Zs.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===Zs.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===Zs.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class IN{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}IN.isNodeFunctionInput=!0;class ON extends J_{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:a_(this.light),lightColor:e}}}const VN=new a,kN=new a;let GN=null;class zN extends J_{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=Ta(new r).setGroup(ya),this.halfWidth=Ta(new r).setGroup(ya),this.updateType=Zs.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;kN.identity(),VN.copy(t.matrixWorld),VN.premultiply(r),kN.extractRotation(VN),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(kN),this.halfHeight.value.applyMatrix4(kN)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=Pl(GN.LTC_FLOAT_1),r=Pl(GN.LTC_FLOAT_2)):(t=Pl(GN.LTC_HALF_1),r=Pl(GN.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:n_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){GN=e}}class $N extends J_{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=Ta(0).setGroup(ya),this.penumbraCosNode=Ta(0).setGroup(ya),this.cutoffDistanceNode=Ta(0).setGroup(ya),this.decayExponentNode=Ta(0).setGroup(ya),this.colorNode=Ta(this.color).setGroup(ya)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return uu(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=r_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(a_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=ev({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=Pl(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class WN extends $N{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);s=Pl(r,yn(e,0),0).r}else s=super.getSpotAttenuation(t);return s}}const HN=on(([e,t])=>{const r=e.abs().sub(t);return Bo(Wo(r,0)).add($o(Wo(r.x,r.y),0))});class qN extends $N{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=pn(0),r=this.penumbraCosNode,s=t_(this.light).mul(e.context.positionWorld||Ld);return dn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=HN(e.xy.sub(yn(.5)),yn(.5)),n=Pa(-1,Ma(1,Eo(r)).sub(1));t.assign(au(i.mul(-2).mul(n)))}),t}}class jN extends J_{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class XN extends J_{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=s_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=Ta(new e).setGroup(ya)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=jd.dot(s).mul(.5).add(.5),n=iu(r,t,i);e.context.irradiance.addAssign(n)}}class KN extends J_{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=Ol(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=Zv(jd,this.lightProbe);e.context.irradiance.addAssign(t)}}class YN{parseFunction(){d("Abstract function.")}}class QN{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}QN.isNodeFunction=!0;const ZN=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,JN=/[a-z_0-9]+/gi,eS="#pragma main";class tS extends QN{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(eS),r=-1!==t?e.slice(t+12):e,s=r.match(ZN);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=JN.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new IN(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class rS extends YN{parseFunction(e){return new tS(e)}}const sS=new WeakMap,iS=[],nS=[];class aS extends ey{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new UN,this.nodeBuilderCache=new Map,this.callHashCache=new Kf,this.groupsData=new Kf,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===ba.name)return!0;if(r===ya.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===fa.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}iS[0]=t,iS[1]=e;let s=this.groupsData.get(iS);return void 0===s&&this.groupsData.set(iS,s={}),iS.length=0,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=t=>{const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r};let n=t(e.material);try{n.build()}catch(e){n=t(new Yp),n.build(),o("TSL: "+e)}r=this._createNodeBuilderState(n),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new iN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){iS[0]=e,iS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(iS)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&nS.push(t.getCacheKey(!0)),i&&nS.push(i.getCacheKey()),n&&nS.push(n.getCacheKey()),nS.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),nS.push(this.renderer.shadowMap.enabled?1:0),nS.push(this.renderer.shadowMap.type),s.callId=r,s.cacheKey=Us(nS),this.callHashCache.set(iS,s),nS.length=0}return iS.length=0,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===le||r.mapping===de||r.mapping===Ae){if(e.backgroundBlurriness>0||r.mapping===Ae)return gf(r);{let e;return e=!0===r.isCubeTexture?hc(r):Pl(r),cg(e)}}if(!0===r.isTexture)return Pl(r,Wl.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=mc("color","color",r).setGroup(ya),t=mc("density","float",r).setGroup(ya);return lT(e,oT(t))}if(r.isFog){const e=mc("color","color",r).setGroup(ya),t=mc("near","float",r).setGroup(ya),s=mc("far","float",r).setGroup(ya);return lT(e,aT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?hc(r):!0===r.isTexture?Pl(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}hasOutputChange(e){return sS.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=e.isArrayTexture?mx(e,_n(Wl,Vl("gl_ViewID_OVR"))).renderOutput(t.toneMapping,t.currentColorSpace):Pl(e,Wl).renderOutput(t.toneMapping,t.currentColorSpace);return sS.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new UN,this.nodeBuilderCache=new Map,this.cacheLib={}}}const oS=new je;class uS{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){oS.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=oS.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=oS.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new uS(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class lS{constructor(e,t){this.bundleGroup=e,this.camera=t}}const dS=[];class cS{constructor(){this.bundles=new Kf}get(e,t){const r=this.bundles;dS[0]=e,dS[1]=t;let s=r.get(dS);return void 0===s&&(s=new lS(e,t),r.set(dS,s)),dS.length=0,s}dispose(){this.bundles=new Kf}}class hS{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const pS=new d_,gS=new WeakMap;class mS{createNode(e=[]){return(new d_).setLights(e)}getNode(e){if(e.isQuadMesh)return pS;let t=gS.get(e);return void 0===t&&(t=this.createNode(),gS.set(e,t)),t}}class fS extends Ne{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const yS=new r,bS=new r;class xS extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new ve,this._cameraL.viewport=new s,this._cameraR=new ve,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new at,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._frameBufferTargets=null,this._createXRLayer=SS.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=_S.bind(this),this._onSessionEnd=vS.bind(this),this._onInputSourcesChange=NS.bind(this),this._onAnimationFrame=RS.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new ot(e,t),l=new fS(i,n,{format:Re,type:Ge,depthTexture:new Y(i,n,o.stencil?ke:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?Oe:Ve),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new ge({color:16777215,side:ut});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new ne(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new ge({color:16777215,side:ut}),h.plane.material.blending=lt,h.plane.material.blendEquation=He,h.plane.material.blendSrc=dt,h.plane.material.blendDst=dt,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new ct(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new fS(n,a,{format:Re,type:Ge,depthTexture:new Y(n,a,u.stencil?ke:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?Oe:Ve),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new ge({color:16777215,side:M});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new ne(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new ge({color:16777215,side:M}),p.plane.material.blending=lt,p.plane.material.blendEquation=He,p.plane.material.blendSrc=dt,p.plane.material.blendDst=dt,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new ht,i=this._renderer,n=this.isPresenting,a=i.getOutputRenderTarget(),o=i._frameBufferTarget;this.isPresenting=!1;const u=new t;i.getSize(u);const l=i._quad;for(const t of this._layers)if(t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget,t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const r=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,r.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),i.setOutputRenderTarget(t.renderTarget),i.setRenderTarget(null),i._frameBufferTarget=null,this._frameBufferTargets||(this._frameBufferTargets=new WeakMap);const{frameBufferTarget:n,quad:a}=this._frameBufferTargets.get(t.renderTarget)||{frameBufferTarget:null,quad:null};n?(i._frameBufferTarget=n,i._quad=a):(i._quad=new $b(new Yp),this._frameBufferTargets.set(t.renderTarget,{frameBufferTarget:i._getFrameBufferTarget(),quad:i._quad})),t.rendercall(),i._frameBufferTarget=null}else i.setRenderTarget(t.renderTarget),t.rendercall();i.setRenderTarget(null),i.setOutputRenderTarget(a),i._frameBufferTarget=o,i._setXRLayerSize(u.x,u.y),i._quad=l,this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend;this._gl=t.getContext();const s=this._gl,i=s.getContextAttributes();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),!0===this._supportsLayers){let r=null,n=null,a=null;t.depth&&(a=t.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=t.stencil?Oe:Ve,n=t.stencil?ke:S);const o={colorFormat:s.RGBA8,depthFormat:a,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Y(u.textureWidth,u.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r,d);if(this._xrRenderTarget=new fS(u.textureWidth,u.textureHeight,{format:Re,type:Ge,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:i.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new ge({color:16777215,side:"cylinder"===e.type?M:ut}),e.plane.material.blending=lt,e.plane.material.blendEquation=He,e.plane.material.blendSrc=dt,e.plane.material.blendDst=dt,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{const r={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,s,r);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new fS(i.framebufferWidth,i.framebufferHeight,{format:Re,type:Ge,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}this.setFoveation(this.getFoveation()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;TS(i,o);for(let e=0;e<u.length;e++)TS(u[e],o);2===u.length?function(e,t,r){yS.setFromMatrixPosition(t.matrixWorld),bS.setFromMatrixPosition(r.matrixWorld);const s=yS.distanceTo(bS),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*gt*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new pt,this._controllers[e]=t),t}}function TS(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function _S(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function vS(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,t._resetXRState(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new fS(e.pixelwidth,e.pixelheight,{format:Re,type:Ge,depthTexture:new Y(e.pixelwidth,e.pixelheight,e.stencilBuffer?ke:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?Oe:Ve),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function NS(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function SS(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function RS(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(a.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const o=e[i];let u;if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,o);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else u=a.getViewport(o);let l=this._cameras[i];void 0===l&&(l=new ve,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(o.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(o.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setOutputRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class AS extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new X,this.depthTexture=new Y}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const ES=new ae,wS=new t,CS=new s,MS=new yt,BS=new ft,PS=new a,LS=new s;class FS{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:s=!0,depth:i=!0,stencil:n=!1,antialias:a=!1,samples:o=0,getFallback:u=null,outputBufferType:l=be,multiview:d=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=s,this.logarithmicDepthBuffer=r,this.outputColorSpace=re,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=i,this.stencil=n,this.info=new dy,this.contextNode=xu(),this.library=new hS,this.lighting=new mS,this._samples=o||!0===a?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new AS(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new xl,this._inspector.setRenderer(this),this._getFallback=u,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new $b(new Yp),this._quad.name="Output Color Transform",this._quad.material.name="outputColorTransform",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const c=!0===this.alpha?0:1;this._clearColor=new My(0,0,0,c),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._outputBufferType=l,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:mt},this.xr=new xS(this,d),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(this._renderTarget,this._mrt),n=e.overrideMaterial||r.material,a=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:o,vertexShader:u}=a.getNodeBuilderState();return{fragmentShader:o,vertexShader:u}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new aS(this,r),this._animation=new Xf(this,this._nodes,this.info),this._attributes=new ay(r),this._background=new tN(this,this._nodes),this._geometries=new ly(this._attributes,this.info),this._textures=new Cy(this,r,this.info),this._pipelines=new fy(r,this._nodes),this._bindings=new yy(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Jf(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Ny(this.lighting),this._bundles=new cS,this._renderContexts=new Ey,this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises,l=!0===e.isScene?e:ES;null===r&&(r=e);const d=this._renderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new uS),c.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,d);const g=this._renderLists.get(e,t);if(g.begin(),this._projectObject(e,t,0,g,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&g.pushLight(e)}),g.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,g,c):this._background.update(l,g,c);const m=g.opaque,f=g.transparent,y=g.transparentDoublePass,b=g.lightsNode;!0===this.opaque&&m.length>0&&this._renderObjects(m,t,l,b),!0===this.transparent&&f.length>0&&this._renderTransparents(f,y,t,l,b),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u,await Promise.all(p)}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=Ed,t.modelNormalViewMatrix=wd):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===Ed&&e.modelNormalViewMatrix===wd}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i),u=this.backend.get(o);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(a)||l;if(u.renderContexts.add(a),d){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(wS),{depth:a,stencil:o}=this;let u=this._frameBufferTarget;null===u&&(u=new Ne(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Re,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:oe,magFilter:oe,samples:this.samples}),u.isPostProcessingRenderTarget=!0,this._frameBufferTarget=u);const l=this.getOutputRenderTarget();u.depthBuffer=a,u.stencilBuffer=o,null!==l?u.setSize(l.width,l.height,l.depth):u.setSize(i,n,1);const d=this._canvasTarget;return u.viewport.copy(d._viewport),u.scissor.copy(d._scissor),u.viewport.multiplyScalar(d._pixelRatio),u.scissor.multiplyScalar(d._pixelRatio),u.scissorTest=d._scissorTest,u.multiview=null!==l&&l.multiview,u.resolveDepthBuffer=null===l||l.resolveDepthBuffer,u._autoAllocateDepthBuffer=null!==l&&l._autoAllocateDepthBuffer,u}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this._callDepth++;const l=!0===e.isScene?e:ES,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;null!==s?(p=s,this.setRenderTarget(p)):p=d;const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p);const m=this.coordinateSystem,f=this.xr;if(t.coordinateSystem!==m&&!1===f.isPresenting&&(t.coordinateSystem=m,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=m,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===f.enabled&&!0===f.isPresenting&&(!0===f.cameraAutoUpdate&&f.updateCamera(t),t=f.getCamera());const y=this._canvasTarget;let b=y._viewport,x=y._scissor,T=y._pixelRatio;null!==p&&(b=p.viewport,x=p.scissor,T=1),this.getDrawingBufferSize(wS),CS.set(0,0,wS.width,wS.height);const _=void 0===b.minDepth?0:b.minDepth,v=void 0===b.maxDepth?1:b.maxDepth;g.viewportValue.copy(b).multiplyScalar(T).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=_,g.viewportValue.maxDepth=v,g.viewport=!1===g.viewportValue.equals(CS),g.scissorValue.copy(x).multiplyScalar(T).floor(),g.scissor=y._scissorTest&&!1===g.scissorValue.equals(CS),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new uS),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const N=t.isArrayCamera?BS:MS;t.isArrayCamera||(PS.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),N.setFromProjectionMatrix(PS,t.coordinateSystem,t.reversedDepth));const S=this._renderLists.get(e,t);if(S.begin(),this._projectObject(e,t,0,S,g.clippingContext),S.finish(),!0===this.sortObjects&&S.sort(this._opaqueSort,this._transparentSort),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=wS.width,g.height=wS.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=S.occlusionQueryCount,g.scissorValue.max(LS.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,S,g),g.camera=t,this.backend.beginRender(g);const{bundles:R,lightsNode:A,transparentDoublePass:E,transparent:w,opaque:C}=S;return R.length>0&&this._renderBundles(R,l,A),!0===this.opaque&&C.length>0&&this._renderObjects(C,t,l,A),!0===this.transparent&&w.length>0&&this._renderTransparents(w,E,t,l,A),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._quad;this._nodes.hasOutputChange(e.texture)&&(t.material.fragmentNode=this._nodes.getOutputNode(e.texture),t.material.needsUpdate=!0);const r=this.autoClear,s=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderScene(t,t.camera,!1),this.autoClear=r,this.xr.enabled=s}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel()}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){!0===this._initialized&&(this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),null!==this._frameBufferTarget&&this._frameBufferTarget.dispose(),Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null),this._frameBufferTarget.dispose(),this._frameBufferTarget=null}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateTexture(e)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=LS.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=LS.copy(t).floor()}else t=LS.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?BS:MS;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&LS.setFromMatrixPosition(e.matrixWorld).applyMatrix4(PS);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,LS.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?BS:MS;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),LS.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(PS)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,LS.z,u,i)}}else n.visible&&s.push(e,t,n,r,LS.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=M;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=ut;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=B}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=_n(0),r=pn(1)),s&&(r=r.mul(mc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=Rn(t,r),a){const t=e.maskShadowNode||e.maskNode;u=on(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){const e=t.overrideMaterial;if(p=!0,l=t.overrideMaterial.colorNode,d=t.overrideMaterial.depthNode,c=t.overrideMaterial.positionNode,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);e.side=null===i.shadowSide?i.side:i.shadowSide,null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===B&&!1===i.forceSinglePass?(i.side=M,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=ut,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=B):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n;const l=this._nodes.needsRefresh(u);if(l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class DS{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}class US extends DS{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return(e=this._buffer.byteLength)+(ny-e%ny)%ny;var e}get buffer(){return this._buffer}update(){return!0}}class IS extends US{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let OS=0;class VS extends IS{constructor(e,t){super("UniformBuffer_"+OS++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get buffer(){return this.nodeUniform.value}}class kS extends IS{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map}addUniformUpdateRange(e){const t=e.index;if(!0!==this._updateRangeCache.has(t)){const r=this.updateRanges,s={start:e.offset,count:e.itemSize};r.push(s),this._updateRangeCache.set(t,s)}}clearUpdateRanges(){this._updateRangeCache.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%ny,o=a%i,u=a+o;t+=o,0!==u&&ny-u<n&&(t+=ny-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/ny)*ny}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let GS=0;class zS extends kS{constructor(e,t){super(e),this.id=GS++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class $S extends DS{constructor(e,t){super(e),this._texture=null,this._onTextureDispose=()=>{this.generation=null,this.version=0},this.texture=t,this.version=t?t.version:0,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture&&this._texture.removeEventListener("dispose",this._onTextureDispose),this._texture=e,this.generation=null,this.version=0,this._texture&&this._texture.addEventListener("dispose",this._onTextureDispose))}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}clone(){const e=super.clone();return e._texture=null,e._onTextureDispose=()=>{e.generation=null,e.version=0},e.texture=this.texture,e}}let WS=0;class HS extends $S{constructor(e,t){super(e,t),this.id=WS++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class qS extends HS{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class jS extends qS{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class XS extends qS{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const KS={bitcast_int_uint:new Xx("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new Xx("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }")},YS={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},QS={low:"lowp",medium:"mediump",high:"highp"},ZS={swizzleAssign:!0,storageBuffer:!1},JS={perspective:"smooth",linear:"noperspective"},eR={centroid:"centroid"},tR="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision lowp sampler2DShadow;\nprecision lowp sampler2DArrayShadow;\nprecision lowp samplerCubeShadow;\n";class rR extends DN{constructor(e,t){super(e,t,new rS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=KS[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==KS[e]&&this._include(e),YS[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?bt:xt;2===s?n=i?Nt:G:3===s?n=i?St:Rt:4===s&&(n=i?At:Re);const a={Float32Array:j,Uint8Array:Ge,Uint16Array:vt,Uint32Array:S,Int8Array:_t,Int16Array:Tt,Int32Array:R,Uint8ClampedArray:Ge},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new ye(t.array,o,u,n,a[t.array.constructor.name]||j);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Ml(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+ii.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), ${s}, ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), ${s} )`:n?`texelFetchOffset( ${t}, ${r}, ${s}, ${n} )`:`texelFetch( ${t}, ${r}, ${s} )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i){return i?`textureLodOffset( ${t}, ${r}, ${s}, ${i} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i){return i?`textureOffset( ${t}, ${r}, ${i}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i){return i?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${i} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node.value;let s="";!0!==r.isDataTexture&&!0!==r.isData3DTexture||(r.type===S?s="u":r.type===R&&(s="i")),t="texture3D"===e.type&&!1===r.isArrayTexture?`${s}sampler3D ${e.name};`:r.compareFunction?!0===r.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===r.isArrayTexture||!0===r.isDataArrayTexture||!0===r.isCompressedArrayTexture?`${s}sampler2DArray ${e.name};`:`${s}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type)t=`samplerCubeShadow ${e.name};`;else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=QS[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=QS[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return 0===s.length&&s.push("layout( location = 0 ) out vec4 fragColor;"),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${JS[s.interpolationType]||s.interpolationType} ${eR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${JS[e.interpolationType]||e.interpolationType} ${eR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=ZS[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}ZS[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${tR}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${tR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new qS(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new jS(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new XS(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new VS(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new zS(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let sR=null,iR=null;class nR{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[Et.RENDER]:null,[Et.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?Et.COMPUTE:Et.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}hasTimestamp(e){return this._getQueryPool(e).hasTimestamp(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return sR=sR||new t,this.renderer.getDrawingBufferSize(sR)}setScissorTest(){}getClearColor(){const e=this.renderer;return iR=iR||new My,e.getClearColor(iR),iR.getRGB(iR),iR}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:wt(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${nt} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let aR,oR,uR=0;class lR{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class dR{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:uR++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new lR(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,a=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const o=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.bufferData(r.COPY_WRITE_BUFFER,a,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,a),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(o),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class cR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;aR={[He]:e.FUNC_ADD,[Mt]:e.FUNC_SUBTRACT,[Ct]:e.FUNC_REVERSE_SUBTRACT},oR={[dt]:e.ZERO,[Ot]:e.ONE,[It]:e.SRC_COLOR,[$e]:e.SRC_ALPHA,[Ut]:e.SRC_ALPHA_SATURATE,[Dt]:e.DST_COLOR,[Ft]:e.DST_ALPHA,[Lt]:e.ONE_MINUS_SRC_COLOR,[We]:e.ONE_MINUS_SRC_ALPHA,[Pt]:e.ONE_MINUS_DST_COLOR,[Bt]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==Vt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===kt?t.cullFace(t.BACK):e===Gt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===qe?o=r:e.blending!==ee&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===lt){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,aR[o],aR[u]),s.blendFuncSeparateiOES(e,oR[n],oR[a],oR[r],oR[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case ze:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Wt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case zt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case ze:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Wt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case zt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==ee){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===lt)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(aR[t],aR[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(oR[r],oR[s],oR[n],oR[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===He&&this.currentBlendEquationAlpha===He||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=He,this.currentBlendEquationAlpha=He),u)switch(e){case ze:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Wt:l.blendFunc(l.ONE,l.ONE);break;case $t:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case zt:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case ze:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Wt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case $t:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case zt:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Zt:t.depthFunc(t.NEVER);break;case Qt:t.depthFunc(t.ALWAYS);break;case Yt:t.depthFunc(t.LESS);break;case Kt:t.depthFunc(t.LEQUAL);break;case Xt:t.depthFunc(t.EQUAL);break;case jt:t.depthFunc(t.GEQUAL);break;case qt:t.depthFunc(t.GREATER);break;case Ht:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===B?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===M;t&&(i=!i),this.setFlipSided(i),e.blending===ze&&!1===e.transparent?this.setBlending(ee):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class hR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ge)return r.UNSIGNED_BYTE;if(e===Jt)return r.UNSIGNED_SHORT_4_4_4_4;if(e===er)return r.UNSIGNED_SHORT_5_5_5_1;if(e===tr)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===rr)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===_t)return r.BYTE;if(e===Tt)return r.SHORT;if(e===vt)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===j)return r.FLOAT;if(e===be)return r.HALF_FLOAT;if(e===sr)return r.ALPHA;if(e===Rt)return r.RGB;if(e===Re)return r.RGBA;if(e===Ve)return r.DEPTH_COMPONENT;if(e===Oe)return r.DEPTH_STENCIL;if(e===xt)return r.RED;if(e===bt)return r.RED_INTEGER;if(e===G)return r.RG;if(e===Nt)return r.RG_INTEGER;if(e===At)return r.RGBA_INTEGER;if(e===ir||e===nr||e===ar||e===or)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===ir)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===nr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===ar)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===or)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===ir)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===nr)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===ar)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===or)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===ur||e===lr||e===dr||e===cr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===ur)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===lr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===dr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===cr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===hr||e===pr||e===gr||e===mr||e===fr||e===$||e===yr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===hr||e===pr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===gr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===mr)return i.COMPRESSED_R11_EAC;if(e===fr)return i.COMPRESSED_SIGNED_R11_EAC;if(e===$)return i.COMPRESSED_RG11_EAC;if(e===yr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===br||e===xr||e===Tr||e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Ar||e===Er||e===wr||e===Cr||e===Mr||e===Br){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===xr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Tr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Pr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Pr)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===Lr||e===Fr||e===z||e===Dr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Lr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Fr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===z)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===Dr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===ke?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let pR,gR,mR,fR=!1;class yR{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===fR&&(this._init(),fR=!0)}_init(){const e=this.gl;pR={[Ir]:e.REPEAT,[xe]:e.CLAMP_TO_EDGE,[Ur]:e.MIRRORED_REPEAT},gR={[w]:e.NEAREST,[Or]:e.NEAREST_MIPMAP_NEAREST,[st]:e.NEAREST_MIPMAP_LINEAR,[oe]:e.LINEAR,[rt]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},mR={[Hr]:e.NEVER,[Wr]:e.ALWAYS,[E]:e.LESS,[$r]:e.LEQUAL,[zr]:e.EQUAL,[Gr]:e.GEQUAL,[kr]:e.GREATER,[Vr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:a}=this;if(null!==e){if(void 0!==n[e])return n[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let o=t;if(t===n.RED&&(r===n.FLOAT&&(o=n.R32F),r===n.HALF_FLOAT&&(o=n.R16F),r===n.UNSIGNED_BYTE&&(o=n.R8),r===n.UNSIGNED_SHORT&&(o=n.R16),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.R8UI),r===n.UNSIGNED_SHORT&&(o=n.R16UI),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RG&&(r===n.FLOAT&&(o=n.RG32F),r===n.HALF_FLOAT&&(o=n.RG16F),r===n.UNSIGNED_BYTE&&(o=n.RG8),r===n.UNSIGNED_SHORT&&(o=n.RG16),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RG8UI),r===n.UNSIGNED_SHORT&&(o=n.RG16UI),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RGB){const e=i?qr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGB32F),r===n.HALF_FLOAT&&(o=n.RGB16F),r===n.UNSIGNED_BYTE&&(o=n.RGB8),r===n.UNSIGNED_SHORT&&(o=n.RGB16),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(o=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(o=n.RGB9_E5),r===n.UNSIGNED_INT_10F_11F_11F_REV&&(o=n.R11F_G11F_B10F)}if(t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGB8UI),r===n.UNSIGNED_SHORT&&(o=n.RGB16UI),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I)),t===n.RGBA){const e=i?qr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGBA32F),r===n.HALF_FLOAT&&(o=n.RGBA16F),r===n.UNSIGNED_BYTE&&(o=n.RGBA8),r===n.UNSIGNED_SHORT&&(o=n.RGBA16),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1)}return t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(o=n.RGBA16UI),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_SHORT&&(o=n.DEPTH_COMPONENT16),r===n.UNSIGNED_INT&&(o=n.DEPTH_COMPONENT24),r===n.FLOAT&&(o=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(o=n.DEPTH24_STENCIL8),o!==n.R16F&&o!==n.R32F&&o!==n.RG16F&&o!==n.RG32F&&o!==n.RGBA16F&&o!==n.RGBA32F||a.get("EXT_color_buffer_float"),o}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,n=p.getPrimaries(p.workingColorSpace),a=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),o=t.colorSpace===T||n===a?r.NONE:r.BROWSER_DEFAULT_WEBGL;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,o),r.texParameteri(e,r.TEXTURE_WRAP_S,pR[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,pR[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,pR[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,gR[t.magFilter]);const u=void 0!==t.mipmaps&&t.mipmaps.length>0,l=t.minFilter===oe&&u?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,gR[l]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,mR[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===w)return;if(t.minFilter!==st&&t.minFilter!==K)return;if(t.type===j&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:a,glType:o}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,a,o,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=bR(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=bR(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=jr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=bR(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=bR(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),a.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=a.getParameter(a.UNPACK_ROW_LENGTH),S=a.getParameter(a.UNPACK_IMAGE_HEIGHT),R=a.getParameter(a.UNPACK_SKIP_PIXELS),A=a.getParameter(a.UNPACK_SKIP_ROWS),E=a.getParameter(a.UNPACK_SKIP_IMAGES);a.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),a.pixelStorei(a.UNPACK_SKIP_PIXELS,f),a.pixelStorei(a.UNPACK_SKIP_ROWS,y),a.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const w=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey];u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)w&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer()),u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)w?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);a.pixelStorei(a.UNPACK_ROW_LENGTH,N),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),a.pixelStorei(a.UNPACK_SKIP_PIXELS,R),a.pixelStorei(a.UNPACK_SKIP_ROWS,A),a.pixelStorei(a.UNPACK_SKIP_IMAGES,E),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function bR(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class xR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class TR{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const _R={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class vR{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:a,info:o}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];o.update(a,i,1)}}}class NR{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestamp(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class SR extends NR{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class RR extends nR{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new xR(this),this.capabilities=new TR(this),this.attributeUtils=new dR(this),this.textureUtils=new yR(this),this.bufferRenderer=new vR(this),this.state=new cR(this),this.utils=new hR(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed")}get coordinateSystem(){return c}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new SR(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}this.initTimestampQuery(Et.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i)if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}this.prepareTimestampBuffer(Et.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(Et.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(Et.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;const N=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?(v("WebGLBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."),b.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances)):this.hasFeature("WEBGL_multi_draw")?b.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):v("WebGLBackend: WEBGL_multi_draw not supported."):T>1?b.renderInstances(_,x,T):b.render(_,x)};if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),a=this.renderer.getPixelRatio(),l=this._currentContext.renderTarget,d=this._isRenderCameraDepthArray(this._currentContext),c=this._currentContext.activeCubeFace;if(d){const e=this.get(l.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=l;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=c,this._currentContext.activeCubeFace=c}}for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){d&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const t=l.viewport;if(void 0!==t){const r=t.x*a,s=t.y*a,i=t.width*a,n=t.height*a;u.viewport(Math.floor(r),Math.floor(e.context.height-n-s),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),N()}this._currentContext.activeCubeFace=c,this.renderer._activeCubeFace=c}}else N()}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new rR(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const i=r.buffer;let{bufferGPU:n}=this.get(i);void 0===n?(n=t.createBuffer(),t.bindBuffer(t.UNIFORM_BUFFER,n),t.bufferData(t.UNIFORM_BUFFER,i.byteLength,t.DYNAMIC_DRAW),this.set(i,{bufferGPU:n})):t.bindBuffer(t.UNIFORM_BUFFER,n);const a=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,n),0===a.length)t.bufferData(t.UNIFORM_BUFFER,i,t.DYNAMIC_DRAW);else{const e=Xr(i),r=e?1:i.BYTES_PER_ELEMENT;for(let s=0,n=a.length;s<n;s++){const n=a[s],o=n.start*r,u=n.count*r,l=o*(e?i.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,i,o,u)}}e.index=s++,e.bufferGPU=n,this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.index=i++,e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Xr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(_R).filter(t=>_R[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===A.TEXTURE_COMPARE||super.hasCompatibility(e)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isWebGLCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Ay(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const AR="point-list",ER="line-list",wR="line-strip",CR="triangle-list",MR="triangle-strip",BR="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},PR="never",LR="less",FR="equal",DR="less-equal",UR="greater",IR="not-equal",OR="greater-equal",VR="always",kR="store",GR="load",zR="clear",$R="ccw",WR="cw",HR="none",qR="back",jR="uint16",XR="uint32",KR="r8unorm",YR="r8snorm",QR="r8uint",ZR="r8sint",JR="r16uint",eA="r16sint",tA="r16float",rA="rg8unorm",sA="rg8snorm",iA="rg8uint",nA="rg8sint",aA="r32uint",oA="r32sint",uA="r32float",lA="rg16uint",dA="rg16sint",cA="rg16float",hA="rgba8unorm",pA="rgba8unorm-srgb",gA="rgba8snorm",mA="rgba8uint",fA="rgba8sint",yA="bgra8unorm",bA="bgra8unorm-srgb",xA="rgb9e5ufloat",TA="rgb10a2unorm",_A="rg11b10ufloat",vA="rg32uint",NA="rg32sint",SA="rg32float",RA="rgba16uint",AA="rgba16sint",EA="rgba16float",wA="rgba32uint",CA="rgba32sint",MA="rgba32float",BA="depth16unorm",PA="depth24plus",LA="depth24plus-stencil8",FA="depth32float",DA="depth32float-stencil8",UA="bc1-rgba-unorm",IA="bc1-rgba-unorm-srgb",OA="bc2-rgba-unorm",VA="bc2-rgba-unorm-srgb",kA="bc3-rgba-unorm",GA="bc3-rgba-unorm-srgb",zA="bc4-r-unorm",$A="bc4-r-snorm",WA="bc5-rg-unorm",HA="bc5-rg-snorm",qA="bc6h-rgb-ufloat",jA="bc6h-rgb-float",XA="bc7-rgba-unorm",KA="bc7-rgba-unorm-srgb",YA="etc2-rgb8unorm",QA="etc2-rgb8unorm-srgb",ZA="etc2-rgb8a1unorm",JA="etc2-rgb8a1unorm-srgb",eE="etc2-rgba8unorm",tE="etc2-rgba8unorm-srgb",rE="eac-r11unorm",sE="eac-r11snorm",iE="eac-rg11unorm",nE="eac-rg11snorm",aE="astc-4x4-unorm",oE="astc-4x4-unorm-srgb",uE="astc-5x4-unorm",lE="astc-5x4-unorm-srgb",dE="astc-5x5-unorm",cE="astc-5x5-unorm-srgb",hE="astc-6x5-unorm",pE="astc-6x5-unorm-srgb",gE="astc-6x6-unorm",mE="astc-6x6-unorm-srgb",fE="astc-8x5-unorm",yE="astc-8x5-unorm-srgb",bE="astc-8x6-unorm",xE="astc-8x6-unorm-srgb",TE="astc-8x8-unorm",_E="astc-8x8-unorm-srgb",vE="astc-10x5-unorm",NE="astc-10x5-unorm-srgb",SE="astc-10x6-unorm",RE="astc-10x6-unorm-srgb",AE="astc-10x8-unorm",EE="astc-10x8-unorm-srgb",wE="astc-10x10-unorm",CE="astc-10x10-unorm-srgb",ME="astc-12x10-unorm",BE="astc-12x10-unorm-srgb",PE="astc-12x12-unorm",LE="astc-12x12-unorm-srgb",FE="clamp-to-edge",DE="repeat",UE="mirror-repeat",IE="linear",OE="nearest",VE="zero",kE="one",GE="src",zE="one-minus-src",$E="src-alpha",WE="one-minus-src-alpha",HE="dst",qE="one-minus-dst",jE="dst-alpha",XE="one-minus-dst-alpha",KE="src-alpha-saturated",YE="constant",QE="one-minus-constant",ZE="add",JE="subtract",ew="reverse-subtract",tw="min",rw="max",sw=0,iw=15,nw="keep",aw="zero",ow="replace",uw="invert",lw="increment-clamp",dw="decrement-clamp",cw="increment-wrap",hw="decrement-wrap",pw="storage",gw="read-only-storage",mw="write-only",fw="read-only",yw="read-write",bw="non-filtering",xw="comparison",Tw="float",_w="unfilterable-float",vw="depth",Nw="sint",Sw="uint",Rw="2d",Aw="3d",Ew="2d",ww="2d-array",Cw="cube",Mw="3d",Bw="all",Pw="vertex",Lw="instance",Fw={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},Dw={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class Uw extends $S{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class Iw extends US{constructor(e,t){super(e,t?t.array:null),this.attribute=t,this.isStorageBuffer=!0}}let Ow=0;class Vw extends Iw{constructor(e,t){super("StorageBuffer_"+Ow++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ei.READ_WRITE,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class kw extends ey{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:IE}),this.flipYSampler=e.createSampler({minFilter:OE}),this.transferPipelines={},this.flipYPipelines={},this.mipmapVertexShaderModule=e.createShaderModule({label:"mipmapVertex",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4<f32>,\n\t@location( 0 ) vTex : vec2<f32>\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( -1.0,  1.0 ),\n\t\tvec2<f32>(  1.0,  1.0 ),\n\t\tvec2<f32>( -1.0, -1.0 ),\n\t\tvec2<f32>(  1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( 0.0, 0.0 ),\n\t\tvec2<f32>( 1.0, 0.0 ),\n\t\tvec2<f32>( 0.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4<f32>( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=e.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=e.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(e){let t=this.transferPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`mipmap-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:MR,stripIndexFormat:XR},layout:"auto"}),this.transferPipelines[e]=t),t}getFlipYPipeline(e){let t=this.flipYPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`flipY-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:MR,stripIndexFormat:XR},layout:"auto"}),this.flipYPipelines[e]=t),t}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,a=this.getTransferPipeline(s),o=this.getFlipYPipeline(s),u=this.device.createTexture({size:{width:i,height:n,depthOrArrayLayers:1},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:Ew,baseArrayLayer:r}),d=u.createView({baseMipLevel:0,mipLevelCount:1,dimension:Ew,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),h=(e,t,r)=>{const s=e.getBindGroupLayout(0),i=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t}]}),n=c.beginRenderPass({colorAttachments:[{view:r,loadOp:zR,storeOp:kR,clearValue:[0,0,0,0]}]});n.setPipeline(e),n.setBindGroup(0,i),n.draw(4,1,0,0),n.end()};h(a,l,d),h(o,d,l),this.device.queue.submit([c.finish()]),u.destroy()}generateMipmaps(e,t,r=0,s=null){const i=this.get(e);void 0===i.layers&&(i.layers=[]);const n=i.layers[r]||this._mipmapCreateBundles(e,t,r),a=s||this.device.createCommandEncoder({label:"mipmapEncoder"});this._mipmapRunBundles(a,n),null===s&&this.device.queue.submit([a.finish()]),i.layers[r]=n}_mipmapCreateBundles(e,t,r){const s=this.getTransferPipeline(t.format),i=s.getBindGroupLayout(0);let n=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:Ew,baseArrayLayer:r});const a=[];for(let o=1;o<t.mipLevelCount;o++){const u=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:n}]}),l=e.createView({baseMipLevel:o,mipLevelCount:1,dimension:Ew,baseArrayLayer:r}),d={colorAttachments:[{view:l,loadOp:zR,storeOp:kR,clearValue:[0,0,0,0]}]},c=this.device.createRenderBundleEncoder({colorFormats:[t.format]});c.setPipeline(s),c.setBindGroup(0,u),c.draw(4,1,0,0),a.push({renderBundles:[c.finish()],passDescriptor:d}),n=l}return a}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const Gw={[Hr]:"never",[E]:"less",[zr]:"equal",[$r]:"less-equal",[kr]:"greater",[Gr]:"greater-equal",[Wr]:"always",[Vr]:"not-equal"},zw=[0,1,3,2,4,5];class $w{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e){const t=this.backend,r=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(e.compareFunction||0);let s=this._samplerCache.get(r);if(void 0===s){const i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};e.isDepthTexture&&null===e.compareFunction&&(i.magFilter=OE,i.minFilter=OE,i.mipmapFilter=OE),i.magFilter===IE&&i.minFilter===IE&&i.mipmapFilter===IE&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&t.hasCompatibility(A.TEXTURE_COMPARE)&&(i.compare=Gw[e.compareFunction]);s={sampler:t.device.createSampler(i),usedTimes:0},this._samplerCache.set(r,s)}const i=t.get(e);if(i.sampler!==s.sampler){if(void 0!==i.sampler){const e=this._samplerCache.get(i.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(i.samplerKey)}i.samplerKey=r,i.sampler=s.sampler,s.usedTimes++}return r}createDefaultTexture(e){let t;const r=Ww(e);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||Ww(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==xA&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m={label:e.name,size:{width:i,height:n,depthOrArrayLayers:a},mipLevelCount:o,sampleCount:h,dimension:u,format:l,usage:g};if(void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);if(e.isCubeTexture&&(m.textureBindingViewDimension=Cw),s.texture=r.device.createTexture(m),p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);if(e.isCubeTexture)for(let e=0;e<6;e++)this._generateMipmaps(r.texture,r.textureDescriptorGPU,e,t);else{const s=e.image.depth||1;for(let e=0;e<s;e++)this._generateMipmaps(r.texture,r.textureDescriptorGPU,e,t)}}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),o=e.device.createTexture({label:"colorBuffer",size:{width:r,height:s,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.currentSamples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=Oe,d=ke):e&&(l=Ve,d=S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=a.createBuffer({size:(i-1)*c+s*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=a.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);a.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new L;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?zw[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;try{o.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:a,origin:{x:0,y:0,z:s},premultipliedAlpha:n},{width:u,height:l,depthOrArrayLayers:1})}catch(e){}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new kw(this.backend.device)),e}_generateMipmaps(e,t,r=0,s=null){this._getPassUtils().generateMipmaps(e,t,r,s)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;o.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:s}},u,{offset:e.width*e.height*l*n,bytesPerRow:d},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let a=0;a<e.length;a++){const o=e[a],u=o.width,l=o.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:e}},o.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===UA||e===IA?{byteLength:8,width:4,height:4}:e===OA||e===VA||e===kA||e===GA?{byteLength:16,width:4,height:4}:e===zA||e===$A?{byteLength:8,width:4,height:4}:e===WA||e===HA||e===qA||e===jA||e===XA||e===KA?{byteLength:16,width:4,height:4}:e===YA||e===QA||e===ZA||e===JA?{byteLength:8,width:4,height:4}:e===eE||e===tE?{byteLength:16,width:4,height:4}:e===rE||e===sE?{byteLength:8,width:4,height:4}:e===iE||e===nE||e===aE||e===oE?{byteLength:16,width:4,height:4}:e===uE||e===lE?{byteLength:16,width:5,height:4}:e===dE||e===cE?{byteLength:16,width:5,height:5}:e===hE||e===pE?{byteLength:16,width:6,height:5}:e===gE||e===mE?{byteLength:16,width:6,height:6}:e===fE||e===yE?{byteLength:16,width:8,height:5}:e===bE||e===xE?{byteLength:16,width:8,height:6}:e===TE||e===_E?{byteLength:16,width:8,height:8}:e===vE||e===NE?{byteLength:16,width:10,height:5}:e===SE||e===RE?{byteLength:16,width:10,height:6}:e===AE||e===EE?{byteLength:16,width:10,height:8}:e===wE||e===CE?{byteLength:16,width:10,height:10}:e===ME||e===BE?{byteLength:16,width:12,height:10}:e===PE||e===LE?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=FE;return e===Ir?t=DE:e===Ur&&(t=UE),t}_convertFilterMode(e){let t=IE;return e!==w&&e!==Or&&e!==st||(t=OE),t}_getBytesPerTexel(e){return e===KR||e===YR||e===QR||e===ZR?1:e===JR||e===eA||e===tA||e===rA||e===sA||e===iA||e===nA?2:e===aA||e===oA||e===uA||e===lA||e===dA||e===cA||e===hA||e===pA||e===gA||e===mA||e===fA||e===yA||e===bA||e===xA||e===TA||e===_A||e===FA||e===PA||e===LA||e===DA?4:e===vA||e===NA||e===SA||e===RA||e===AA||e===EA?8:e===wA||e===CA||e===MA?16:void 0}_getTypedArrayType(e){return e===QR?Uint8Array:e===ZR?Int8Array:e===KR?Uint8Array:e===YR?Int8Array:e===iA?Uint8Array:e===nA?Int8Array:e===rA?Uint8Array:e===sA?Int8Array:e===mA?Uint8Array:e===fA?Int8Array:e===hA||e===pA?Uint8Array:e===gA?Int8Array:e===JR?Uint16Array:e===eA?Int16Array:e===lA?Uint16Array:e===dA?Int16Array:e===RA?Uint16Array:e===AA?Int16Array:e===tA||e===cA||e===EA?Uint16Array:e===aA?Uint32Array:e===oA?Int32Array:e===uA?Float32Array:e===vA?Uint32Array:e===NA?Int32Array:e===SA?Float32Array:e===wA?Uint32Array:e===CA?Int32Array:e===MA?Float32Array:e===yA||e===bA?Uint8Array:e===TA||e===xA||e===_A?Uint32Array:e===FA?Float32Array:e===PA||e===LA?Uint32Array:e===DA?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?Aw:Rw,t}}function Ww(e,t=null){const r=e.format,s=e.type,i=e.colorSpace,n=p.getTransfer(i);let a;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case ir:case nr:a=n===g?IA:UA;break;case ar:a=n===g?VA:OA;break;case or:a=n===g?GA:kA;break;case Lr:a=zA;break;case Fr:a=$A;break;case z:a=WA;break;case Dr:a=HA;break;case Pr:a=n===g?KA:XA;break;case pr:case hr:a=n===g?QA:YA;break;case gr:a=n===g?tE:eE;break;case mr:a=rE;break;case fr:a=sE;break;case $:a=iE;break;case yr:a=nE;break;case br:a=n===g?oE:aE;break;case xr:a=n===g?lE:uE;break;case Tr:a=n===g?cE:dE;break;case _r:a=n===g?pE:hE;break;case vr:a=n===g?mE:gE;break;case Nr:a=n===g?yE:fE;break;case Sr:a=n===g?xE:bE;break;case Rr:a=n===g?_E:TE;break;case Ar:a=n===g?NE:vE;break;case Er:a=n===g?RE:SE;break;case wr:a=n===g?EE:AE;break;case Cr:a=n===g?CE:wE;break;case Mr:a=n===g?BE:ME;break;case Br:a=n===g?LE:PE;break;case Re:a=n===g?pA:hA;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Re:switch(s){case _t:a=gA;break;case Tt:a=AA;break;case vt:a=RA;break;case S:a=wA;break;case R:a=CA;break;case Ge:a=n===g?pA:hA;break;case be:a=EA;break;case j:a=MA;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Rt:switch(s){case tr:a=xA;break;case rr:a=_A;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case xt:switch(s){case _t:a=YR;break;case Tt:a=eA;break;case vt:a=JR;break;case S:a=aA;break;case R:a=oA;break;case Ge:a=KR;break;case be:a=tA;break;case j:a=uA;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case G:switch(s){case _t:a=sA;break;case Tt:a=dA;break;case vt:a=lA;break;case S:a=vA;break;case R:a=NA;break;case Ge:a=rA;break;case be:a=cA;break;case j:a=SA;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case Ve:switch(s){case vt:a=BA;break;case S:a=PA;break;case j:a=FA;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case Oe:switch(s){case ke:a=LA;break;case j:t&&!1===t.features.has(Fw.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),a=DA;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case bt:switch(s){case R:a=oA;break;case S:a=aA;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case Nt:switch(s){case R:a=NA;break;case S:a=vA;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case At:switch(s){case R:a=CA;break;case S:a=wA;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return a}const Hw=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,qw=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,jw={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class Xw extends QN{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(Hw);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=qw.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=jw[i]),n.push(new IN(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:jw[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class Kw extends YN{parseFunction(e){return new Xw(e)}}const Yw={[ei.READ_ONLY]:"read",[ei.WRITE_ONLY]:"write",[ei.READ_WRITE]:"read_write"},Qw={[Ir]:"repeat",[xe]:"clamp",[Ur]:"mirror"},Zw={vertex:BR.VERTEX,fragment:BR.FRAGMENT,compute:BR.COMPUTE},Jw={instance:!0,swizzleAssign:!1,storageBuffer:!0},eC={"^^":"tsl_xor"},tC={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},rC={},sC={tsl_xor:new Xx("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new Xx("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new Xx("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new Xx("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new Xx("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new Xx("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new Xx("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new Xx("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new Xx("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new Xx("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new Xx("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new Xx("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new Xx("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},iC={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let nC="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(nC+="diagnostic( off, derivative_uniformity );\n");class aC extends DN{constructor(e,t){super(e,t,new Kw),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${Qw[e.wrapS]}S_${Qw[e.wrapT]}_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}T`;let r=rC[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===Ir?(s.push(sC.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===xe?(s.push(sC.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Ur?(s.push(sC.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",rC[t]=r=new Xx(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Ru(new hl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Ru(new hl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Ru(new hl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u"){this._include("biquadraticTexture");const n=this.generateWrapFunction(e),a=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${a}`),`tsl_biquadraticTexture( ${t}, ${n}( ${r} ), ${a}, u32( ${i} ) )`}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";return i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`),r=`${u}<u32>( ${a}( ${r} ) * ${u}<f32>( ${o} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0u"),n&&(r=`${r} + ${n}`),i?a=`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:(a=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(a+=".x")),a}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(A.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===j||!1===this.isSampleCompare(e)&&e.minFilter===w&&e.magFilter===w||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return n?`textureSampleGrad( ${t}, ${t}_sampler, ${r},  ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r},  ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=eC[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ei.READ_WRITE):ei.READ_ONLY:e.access}getStorageAccess(e,t){return Yw[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new XS(i.name,i.node,o,n):new qS(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new jS(i.name,i.node,o,n):"texture3D"===t&&(s=new XS(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(Zw[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store){const e=new Uw(`${i.name}_sampler`,i.node,o);e.setVisibility(Zw[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?VS:Vw)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|Zw[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e?(e=new zS(u,o),e.setVisibility(Zw[r]),this.uniformGroups[u]=e,l.push(e)):(e.setVisibility(e.getVisibility()|Zw[r]),-1===l.indexOf(e)&&l.push(e)),a=this.getNodeUniform(i,t);const s=a.name;e.uniforms.some(e=>e.name===s)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;if(n.interpolationType){const t=null!==n.interpolationSampling?`, ${n.interpolationSampling} )`:" )";e+=` @interpolate( ${n.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=` @interpolate( ${this.renderer.backend.compatibilityMode?"flat, either":"flat"} )`);t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,a=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"cubeDepthTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;(!0===t.isCubeTexture||!1===this.isUnfilterable(t)&&!0!==i.node.isStorageTextureNode)&&(this.isSampleCompare(t)?r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(t);if(o>1&&(n="_multisampled"),!0===t.isCubeTexture&&!0===t.isDepthTexture)s="texture_depth_cube";else if(!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDepthTexture)s=this.renderer.backend.compatibilityMode&&null===t.compareFunction?`texture${n}_2d<f32>`:`texture_depth${n}_2d${!0===t.isArrayTexture?"_array":""}`;else if(!0===i.node.isStorageTextureNode){const r=Ww(t),n=this.getStorageAccess(i.node,e),a=i.node.value.is3DTexture,o=i.node.value.isArrayTexture;s=`texture_storage_${a?"3d":"2d"+(o?"_array":"")}<${r}, ${n}>`}else if(!0===t.isArrayTexture||!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.is3DTexture||!0===t.isData3DTexture)s="texture_3d<f32>";else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.getNodeType(this)),n=t.bufferCount,o=n>0&&"buffer"===i.type?", "+n:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(i))s.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var<${u}> ${i.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${o} >`;s.push(this._getWGSLStructBinding(i.name,e,u,a.binding++,a.group))}}else{const e=i.groupNode.name;if(void 0===n[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:a.binding++,id:a.group},this.uniformGroupsBindings[e]=s),n[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...r,...s,...i].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],a=n.outputNode,o=void 0!==a&&!0===a.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.builtinClipSpace = ${i.result};`;else if("fragment"===t)if(o)r.returnType=a.getNodeType(this),r.structs+="var<private> output : "+r.returnType+";",s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return tC[e]||e}isAvailable(e){let t=Jw[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),Jw[e]=t),t}_getWGSLMethod(e){return void 0!==sC[e]&&this._include(e),iC[e]}_include(e){const t=sC[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${nC}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class oC{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return null!==e.depthTexture?t=this.getTextureFormatGPU(e.depthTexture):e.depth&&e.stencil?t=LA:e.depth&&(t=PA),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?AR:e.isLineSegments||e.isMesh&&!0===t.wireframe?ER:e.isLine?wR:e.isMesh?CR:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ge)return yA;if(e===be)return EA;throw new Error("Unsupported output buffer type.")}}const uC=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&uC.set(Float16Array,["float16"]);const lC=new Map([[it,["float16"]]]),dC=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class cC{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;n=a.createBuffer({label:r.name,size:l,usage:t,mappedAtCreation:!0}),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=Xr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?Lw:Pw):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?Lw:Pw),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),a=r.createCommandEncoder({label:`readback_encoder_${e.name}`});a.copyBufferToBuffer(s,0,n,0,i);const o=a.finish();r.queue.submit([o]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=dC.get(s);else{const e=(lC.get(i)||uC.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class hC{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class pC{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=JSON.stringify(i);let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new hC(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Xr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const a=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:a})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=[];t.visibility&BR.VERTEX&&n.push("vertex"),t.visibility&BR.FRAGMENT&&n.push("fragment"),t.visibility&BR.COMPUTE&&n.push("compute");const a=`(${n.join(",")})`,o=s.createBuffer({label:`bindingBuffer${t.id}_${t.name}_${a}`,size:r,usage:i});e.buffer=o}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t);if(void 0===e.buffer){const s=t.attribute;e.buffer=r.get(s).buffer}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isSampledTexture){const e=r.get(t.texture);let a;if(void 0!==e.externalTexture)a=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,a=e[i],void 0===a){const n=Bw;let o;o=t.isSampledCubeTexture?Cw:t.isSampledTexture3D?Mw:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?ww:Ew,a=e[i]=e.texture.createView({aspect:n,dimension:o,mipLevelCount:r,baseMipLevel:s})}}n.push({binding:i,resource:a})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&BR.COMPUTE&&(s.access===ei.READ_WRITE||s.access===ei.WRITE_ONLY)?e.type=pw:e.type=gw),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ei.READ_WRITE?yw:t===ei.WRITE_ONLY?mw:fw,s.texture.isArrayTexture?e.viewDimension=ww:s.texture.is3DTexture&&(e.viewDimension=Mw),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=_w)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=_w:t.sampleType=vw;else if(s.texture.isDataTexture||s.texture.isDataArrayTexture||s.texture.isData3DTexture){const e=s.texture.type;e===R?t.sampleType=Nw:e===S?t.sampleType=Sw:e===j&&(this.backend.hasFeature("float32-filterable")?t.sampleType=Tw:t.sampleType=_w)}s.isSampledCubeTexture?t.viewDimension=Cw:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=ww:s.isSampledTexture3D&&(t.viewDimension=Mw),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&e.hasCompatibility(A.TEXTURE_COMPARE)?t.type=xw:t.type=bw),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class gC{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===ee||s.blending===ze&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r){const e=r.getBlendMode(s.name);e.blending===qe?n=m:e.blending!==ee&&(n=this._getBlending(e))}else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),v=this._getDepthCompare(s),N=c.getCurrentDepthStencilFormat(e.context),S=this._getSampleCount(e.context),R={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:g}),fragment:Object.assign({},T,{targets:b}),primitive:_,multisample:{count:S,alphaToCoverageEnabled:s.alphaToCoverage&&S>1},layout:d.createPipelineLayout({bindGroupLayouts:p})},A={},E=e.context.depth,w=e.context.stencil;if(!0!==E&&!0!==w||(!0===E&&(A.format=N,A.depthWriteEnabled=s.depthWrite,A.depthCompare=v),!0===w&&(A.stencilFront=f,A.stencilBack={},A.stencilReadMask=s.stencilFuncMask,A.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&(A.depthBias=s.polygonOffsetUnits,A.depthBiasSlopeScale=s.polygonOffsetFactor,A.depthBiasClamp=0),R.depthStencil=A),d.pushErrorScope("validation"),null===t)h.pipeline=d.createRenderPipeline(R),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(e.message))});else{const e=new Promise(async e=>{try{h.pipeline=await d.createRenderPipelineAsync(R)}catch(e){}const t=await d.popErrorScope();null!==t&&(h.error=!0,o(t.message)),e()});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a={label:t,colorFormats:s.getCurrentColorFormats(e),depthStencilFormat:n,sampleCount:this._getSampleCount(e)};return i.createRenderBundleEncoder(a)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:a})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===lt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:ZE},r={srcFactor:i,dstFactor:n,operation:ZE}};if(e.premultipliedAlpha)switch(s){case ze:i(kE,WE,kE,WE);break;case Wt:i(kE,kE,kE,kE);break;case $t:i(VE,zE,VE,kE);break;case zt:i(HE,WE,VE,kE)}else switch(s){case ze:i($E,WE,kE,WE);break;case Wt:i($E,kE,kE,kE);break;case $t:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case zt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case dt:t=VE;break;case Ot:t=kE;break;case It:t=GE;break;case Lt:t=zE;break;case $e:t=$E;break;case We:t=WE;break;case Dt:t=HE;break;case Pt:t=qE;break;case Ft:t=jE;break;case Bt:t=XE;break;case Ut:t=KE;break;case 211:t=YE;break;case 212:t=QE;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case rs:t=PR;break;case ts:t=VR;break;case es:t=LR;break;case Jr:t=DR;break;case Zr:t=FR;break;case Qr:t=OR;break;case Yr:t=UR;break;case Kr:t=IR;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case ds:t=nw;break;case ls:t=aw;break;case us:t=ow;break;case os:t=uw;break;case as:t=lw;break;case ns:t=dw;break;case is:t=cw;break;case ss:t=hw;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case He:t=ZE;break;case Mt:t=JE;break;case Ct:t=ew;break;case hs:t=tw;break;case cs:t=rw;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?jR:XR);let n=r.side===M;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?WR:$R,s.cullMode=r.side===B?HR:qR,s}_getColorWriteMask(e){return!0===e.colorWrite?iw:sw}_getDepthCompare(e){let t;if(!1===e.depthTest)t=VR;else{const r=e.depthFunc;switch(r){case Zt:t=PR;break;case Qt:t=VR;break;case Yt:t=LR;break;case Kt:t=DR;break;case Xt:t=FR;break;case jt:t=OR;break;case qt:t=UR;break;case Ht:t=IR;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class mC extends NR{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class fC extends nR{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.compatibilityMode=void 0!==e.compatibilityMode&&e.compatibilityMode,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=this.parameters.compatibilityMode,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new oC(this),this.attributeUtils=new cC(this),this.bindingUtils=new pC(this),this.pipelineUtils=new gC(this),this.textureUtils=new $w(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[A.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference,featureLevel:t.compatibilityMode?"compatibility":void 0},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(Fw),n=[];for(const e of i)s.features.has(e)&&n.push(e);const a={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(a)}else r=t.device;r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(Fw.TimestampQuery),this.updateSize()}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${nt} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===be?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){i={colorAttachments:[{view:null}]},!0!==e.depth&&!0!==e.stencil||(i.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView()});const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.image.depth>1&&e.camera.isArrayCamera}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;void 0!==i&&s.width===r.width&&s.height===r.height&&s.samples===r.samples||(i={},s.descriptors=i);const n=e.getCacheKey();let a=i[n];if(void 0===a){const t=e.textures,o=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const i=this.get(t[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:Ew};if(r.isRenderTarget3D)u=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=Mw,n.depthOrArrayLayers=t[s].image.depth;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){const t={...n,baseArrayLayer:e,arrayLayerCount:1,dimension:Ew},r=i.texture.createView(t);o.push({view:r,resolveTarget:void 0,depthSlice:void 0})}}else n.dimension=ww,n.depthOrArrayLayers=t[s].image.depth;if(!0!==l){const e=i.texture.createView(n);let t,r;void 0!==i.msaaTexture?(t=i.msaaTexture.createView(),r=e):(t=e,r=void 0),o.push({view:t,resolveTarget:r,depthSlice:u})}}if(a={textureViews:o},e.depth){const t=this.get(e.depthTexture),r={};(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(r.dimension=Ew,r.arrayLayerCount=1,r.baseArrayLayer=e.activeCubeFace),a.depthStencilView=t.texture.createView(r)}i[n]=a,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const o={colorAttachments:[]};for(let e=0;e<a.textureViews.length;e++){const r=a.textureViews[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),o.colorAttachments.push({view:r.view,depthSlice:r.depthSlice,resolveTarget:r.resolveTarget,loadOp:t.loadOp||GR,storeOp:t.storeOp||kR,clearValue:s})}return a.depthStencilView&&(o.depthStencilAttachment={view:a.depthStencilView}),o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:GR}),this.initTimestampQuery(Et.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=zR):s.loadOp=GR,s.storeOp=kR}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=zR):t.loadOp=GR,t.storeOp=kR}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=zR):a.depthLoadOp=GR,a.depthStoreOp=kR),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=zR):a.stencilLoadOp=GR,a.stencilStoreOp=kR);const o=r.createCommandEncoder({label:"renderContext_"+e.id});if(!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateDepthLayerDescriptors(e,t,r):this._createDepthLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createDepthLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s={...r,colorAttachments:[{...r.colorAttachments[0],view:r.colorAttachments[a].view}]};if(r.depthStencilAttachment){const t=a;n.viewCache[t]||(n.viewCache[t]=n.texture.createView({dimension:Ew,baseArrayLayer:a,arrayLayerCount:1})),s.depthStencilAttachment={view:n.viewCache[t],depthLoadOp:i.depthLoadOp||zR,depthStoreOp:i.depthStoreOp||kR,depthClearValue:i.depthClearValue||1},e.stencil&&(s.depthStencilAttachment.stencilLoadOp=i.stencilLoadOp,s.depthStencilAttachment.stencilStoreOp=i.stencilStoreOp,s.depthStencilAttachment.stencilClearValue=i.stencilClearValue)}else s.depthStencilAttachment={...i};t.layerDescriptors.push(s)}}_updateDepthLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=zR):t.depthLoadOp=GR),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=zR):t.stencilLoadOp=GR)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l,d=[];if(e){const e=this.getClearColor();o={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=o,e.loadOp=zR,e.storeOp=kR}(u||l)&&(a=t.depthStencilAttachment)}else{u=s.depth,l=s.stencil;const i={loadOp:e?zR:GR,clearValue:e?o:void 0};u&&(i.depthLoadOp=t?zR:GR,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=kR),l&&(i.stencilLoadOp=r?zR:GR,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=kR);const c=this._getRenderPassDescriptor(s,i);d=c.colorAttachments,a=c.depthStencilAttachment}u&&a&&(t?(a.depthLoadOp=zR,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=kR):(a.depthLoadOp=GR,a.depthStoreOp=kR)),l&&a&&(r?(a.stencilLoadOp=zR,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=kR):(a.stencilLoadOp=GR,a.stencilStoreOp=kR));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:a}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(Et.COMPUTE,this.getTimestampUID(e),r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.count),i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}draw(e,t){const{object:r,material:s,context:i,pipeline:n}=e,a=e.getBindings(),o=this.get(i),u=this.get(n),l=u.pipeline;if(!0===u.error)return;const d=e.getIndex(),c=null!==d,h=e.getDrawParameters();if(null===h)return;const p=(t,r)=>{this.pipelineUtils.setPipeline(t,l),r.pipeline=l;const n=r.bindingGroups;for(let e=0,r=a.length;e<r;e++){const r=a[e],s=this.get(r);n[r.index]!==r.id&&(t.setBindGroup(r.index,s.group),n[r.index]=r.id)}if(!0===c&&r.index!==d){const e=this.get(d).buffer,s=d.array instanceof Uint16Array?jR:XR;t.setIndexBuffer(e,s),r.index=d}const u=e.getVertexBuffers();for(let e=0,s=u.length;e<s;e++){const s=u[e];if(r.attributes[e]!==s){const i=this.get(s).buffer;t.setVertexBuffer(e,i),r.attributes[e]=s}}!0===i.stencil&&!0===s.stencilWrite&&o.currentStencilRef!==s.stencilRef&&(t.setStencilReference(s.stencilRef),o.currentStencilRef=s.stencilRef)},g=(s,i)=>{if(p(s,i),!0===r.isBatchedMesh){const e=r._multiDrawStarts,i=r._multiDrawCounts,n=r._multiDrawCount,a=r._multiDrawInstances;null!==a&&v("WebGPUBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.");for(let o=0;o<n;o++){const n=a?a[o]:1,u=n>1?0:o;!0===c?s.drawIndexed(i[o],n,e[o]/d.array.BYTES_PER_ELEMENT,0,u):s.draw(i[o],n,e[o],u),t.update(r,i[o],n)}}else if(!0===c){const{vertexCount:i,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),i=Array.isArray(r)?r:[r];for(let e=0;e<i.length;e++)s.drawIndexedIndirect(t,i[e])}else s.drawIndexed(i,n,a,0,0);t.update(r,i,n)}else{const{vertexCount:i,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),i=Array.isArray(r)?r:[r];for(let e=0;e<i.length;e++)s.drawIndirect(t,i[e])}else s.draw(i,n,a,0);t.update(r,i,n)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),s=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==s.length){const e=this.get(n),r=[],i=new Uint32Array([0,0,0,0]);for(let t=0,n=s.length;t<n;t++){i[0]=t;const{layoutGPU:s}=e.layout,n=this.bindingUtils.createBindGroupIndex(i,s);r.push(n)}t.indexesGPU=r}const a=this.renderer.getPixelRatio();for(let e=0,u=s.length;e<u;e++){const u=s[e];if(r.layers.test(u.layers)){const r=u.viewport;let s=o.currentPass,l=o.currentSets;if(o.bundleEncoders){s=o.bundleEncoders[e],l=o.bundleSets[e]}r&&s.setViewport(Math.floor(r.x*a),Math.floor(r.y*a),Math.floor(r.width*a),Math.floor(r.height*a),i.viewportValue.minDepth,i.viewportValue.maxDepth),n&&t.indexesGPU&&(s.setBindGroup(n.index,t.indexesGPU[e]),l.bindingGroups[n.index]=n.id),g(s,l)}}}else if(o.currentPass){if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(o.currentPass.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(o.currentPass.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}g(o.currentPass,o.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e){return this.textureUtils.updateSampler(e)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new mC(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);r.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new aC(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}getMaxAnisotropy(){return 16}hasFeature(e){return void 0!==Dw[e]&&(e=Dw[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0);const m=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),f=this.get(e).texture,y=this.get(t).texture;m.copyTextureToTexture({texture:f,mipLevel:i,origin:{x:l,y:d,z:c}},{texture:y,mipLevel:n,origin:{x:a,y:o,z:u}},[h,p,g]),this.device.queue.submit([m.finish()]),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):a=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),a.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=GR;t.depth&&(e.depthStencilAttachment.depthLoadOp=GR),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=GR),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else this.device.queue.submit([a.finish()])}hasCompatibility(e){return void 0!==this._compatibility[A.TEXTURE_COMPARE]?this._compatibility[A.TEXTURE_COMPARE]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class yC extends ps{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class bC extends ps{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class xC extends hS{constructor(){super(),this.addLight(rv,gs),this.addLight(ON,ms),this.addLight(zN,fs),this.addLight($N,ps),this.addLight(jN,ys),this.addLight(XN,bs),this.addLight(KN,xs),this.addLight(WN,yC),this.addLight(qN,bC),this.addToneMapping(Ox,Ts),this.addToneMapping(Vx,_s),this.addToneMapping(kx,vs),this.addToneMapping(zx,Ns),this.addToneMapping(qx,Ss),this.addToneMapping(jx,Rs)}}class TC extends FS{constructor(e={}){let t;e.forceWebGL?t=RR:(t=fC,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new RR(e)));super(new t(e),e),this.library=new xC,this.isWebGPURenderer=!0}}class _C extends As{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class vC{constructor(e,t=Rn(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new Yp;r.name="PostProcessing",this._quadMesh=new $b(r),this._quadMesh.name="Post-Processing",this._context=null}render(){const e=this.renderer;this._update(),null!==this._context.onBeforePostProcessing&&this._context.onBeforePostProcessing();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterPostProcessing&&this._context.onAfterPostProcessing()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace,s={postProcessing:this,onBeforePostProcessing:null,onAfterPostProcessing:null};let i=this.outputNode;!0===this.outputColorTransform?(i=i.context(s),i=fl(i,t,r)):(s.toneMapping=t,s.outputColorSpace=r,i=i.context(s)),this._context=s,this._quadMesh.material.fragmentNode=i,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('PostProcessing: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class NC extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=oe,this.minFilter=oe,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class SC extends rx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class RC extends Es{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new ws(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),pn()):new this.nodes[e]}}class AC extends Cs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class EC extends Ms{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new RC;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new AC;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class wC extends As{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{Ns as ACESFilmicToneMapping,mp as AONode,He as AddEquation,ce as AddOperation,Wt as AdditiveBlending,Ss as AgXToneMapping,sr as AlphaFormat,Wr as AlwaysCompare,Qt as AlwaysDepth,ts as AlwaysStencilFunc,ys as AmbientLight,jN as AmbientLightNode,J_ as AnalyticLightNode,at as ArrayCamera,ui as ArrayElementNode,_a as ArrayNode,Na as AssignNode,vl as AttributeNode,M as BackSide,hg as BasicEnvironmentNode,Je as BasicShadowMap,tp as BatchNode,Wy as BitcastNode,Oy as BlendMode,ie as BoxGeometry,Ee as BufferAttribute,Yu as BufferAttributeNode,Te as BufferGeometry,Fl as BufferNode,Qc as BumpMapNode,_C as BundleGroup,ol as BypassNode,_t as ByteType,AS as CanvasTarget,vs as CineonToneMapping,xe as ClampToEdgeWrapping,wC as ClippingGroup,Xx as CodeNode,e as Color,p as ColorManagement,Ou as ColorSpaceNode,A as Compatibility,tl as ComputeNode,bi as ConstNode,bu as ContextNode,li as ConvertNode,ue as CubeCamera,et as CubeDepthTexture,F as CubeReflectionMapping,D as CubeRefractionMapping,L as CubeTexture,dc as CubeTextureNode,Ae as CubeUVReflectionMapping,kt as CullFaceBack,Gt as CullFaceFront,Vt as CullFaceNone,lt as CustomBlending,ct as CylinderGeometry,q as DataArrayTexture,ye as DataTexture,yl as DebugNode,ns as DecrementStencilOp,ss as DecrementWrapStencilOp,Ve as DepthFormat,Oe as DepthStencilFormat,Y as DepthTexture,ms as DirectionalLight,ON as DirectionalLightNode,B as DoubleSide,Ft as DstAlphaFactor,Dt as DstColorFactor,x as DynamicDrawUsage,ff as EnvironmentNode,zr as EqualCompare,Xt as EqualDepth,Zr as EqualStencilFunc,le as EquirectangularReflectionMapping,de as EquirectangularRefractionMapping,P as Euler,u as EventDispatcher,Jb as EventNode,hl as ExpressionNode,ws as FileLoader,it as Float16BufferAttribute,Ye as Float32BufferAttribute,j as FloatType,X as FramebufferTexture,Id as FrontFacingNode,ut as FrontSide,yt as Frustum,ft as FrustumArray,Ra as FunctionCallNode,Yx as FunctionNode,cb as FunctionOverloadingNode,rS as GLSLNodeParser,kr as GreaterCompare,qt as GreaterDepth,Gr as GreaterEqualCompare,jt as GreaterEqualDepth,Qr as GreaterEqualStencilFunc,Yr as GreaterStencilFunc,As as Group,be as HalfFloatType,bs as HemisphereLight,XN as HemisphereLightNode,yC as IESSpotLight,WN as IESSpotLightNode,as as IncrementStencilOp,is as IncrementWrapStencilOp,Wh as IndexNode,SC as IndirectStorageBufferAttribute,xl as InspectorBase,Qh as InstanceNode,W as InstancedBufferAttribute,H as InstancedInterleavedBuffer,Jh as InstancedMeshNode,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,os as InvertStencilOp,bp as IrradianceNode,il as IsolateNode,ci as JoinNode,ds as KeepStencilOp,E as LessCompare,Yt as LessDepth,$r as LessEqualCompare,Kt as LessEqualDepth,Jr as LessEqualStencilFunc,es as LessStencilFunc,xs as LightProbe,KN as LightProbeNode,mS as Lighting,fp as LightingContextNode,gg as LightingModel,gp as LightingNode,d_ as LightsNode,rg as Line2NodeMaterial,Z as LineBasicMaterial,Zp as LineBasicNodeMaterial,J as LineDashedMaterial,eg as LineDashedNodeMaterial,oe as LinearFilter,Ke as LinearMipMapLinearFilter,K as LinearMipmapLinearFilter,rt as LinearMipmapNearestFilter,Se as LinearSRGBColorSpace,Ts as LinearToneMapping,qr as LinearTransfer,Es as Loader,ap as LoopNode,zy as MRTNode,Q as Material,qe as MaterialBlending,Cs as MaterialLoader,eh as MaterialNode,yc as MaterialReferenceNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,cs as MaxEquation,El as MaxMipLevelNode,xi as MemberNode,ne as Mesh,ge as MeshBasicMaterial,yg as MeshBasicNodeMaterial,me as MeshLambertMaterial,Sg as MeshLambertNodeMaterial,Be as MeshMatcapMaterial,Bf as MeshMatcapNodeMaterial,te as MeshNormalMaterial,ig as MeshNormalNodeMaterial,fe as MeshPhongMaterial,Ag as MeshPhongNodeMaterial,Ce as MeshPhysicalMaterial,vf as MeshPhysicalNodeMaterial,Sf as MeshSSSNodeMaterial,we as MeshStandardMaterial,Tf as MeshStandardNodeMaterial,Me as MeshToonMaterial,wf as MeshToonNodeMaterial,hs as MinEquation,Ur as MirroredRepeatWrapping,he as MixOperation,fd as ModelNode,hp as MorphNode,zt as MultiplyBlending,pe as MultiplyOperation,w as NearestFilter,st as NearestMipmapLinearFilter,Or as NearestMipmapNearestFilter,Rs as NeutralToneMapping,Hr as NeverCompare,Zt as NeverDepth,rs as NeverStencilFunc,ee as NoBlending,T as NoColorSpace,I as NoNormalPacking,m as NoToneMapping,oi as Node,ei as NodeAccess,nN as NodeAttribute,DN as NodeBuilder,cN as NodeCache,lN as NodeCode,UN as NodeFrame,IN as NodeFunctionInput,RC as NodeLoader,Yp as NodeMaterial,AC as NodeMaterialLoader,Ls as NodeMaterialObserver,EC as NodeObjectLoader,Qs as NodeShaderStage,Js as NodeType,aN as NodeUniform,Zs as NodeUpdateType,Ys as NodeUtils,oN as NodeVar,uN as NodeVarying,ze as NormalBlending,V as NormalGAPacking,jc as NormalMapNode,O as NormalRGPacking,Vr as NotEqualCompare,Ht as NotEqualDepth,Kr as NotEqualStencilFunc,Xe as Object3D,ld as Object3DNode,Ms as ObjectLoader,k as ObjectSpaceNormalMap,Ot as OneFactor,Bt as OneMinusDstAlphaFactor,Pt as OneMinusDstColorFactor,We as OneMinusSrcAlphaFactor,Lt as OneMinusSrcColorFactor,_e as OrthographicCamera,Uy as OutputStructNode,mt as PCFShadowMap,nf as PMREMGenerator,pf as PMREMNode,By as ParameterNode,Ux as PassNode,ve as PerspectiveCamera,vg as PhongLightingModel,Tm as PhysicalLightingModel,je as Plane,ot as PlaneGeometry,gs as PointLight,rv as PointLightNode,sx as PointUVNode,Le as PointsMaterial,Of as PointsNodeMaterial,vC as PostProcessing,wx as PosterizeNode,bC as ProjectorLight,qN as ProjectorLightNode,Fn as PropertyNode,$b as QuadMesh,ht as Quaternion,mr as R11_EAC_Format,z as RED_GREEN_RGTC2_Format,Lr as RED_RGTC1_Format,nt as REVISION,$ as RG11_EAC_Format,Re as RGBAFormat,At as RGBAIntegerFormat,Cr as RGBA_ASTC_10x10_Format,Ar as RGBA_ASTC_10x5_Format,Er as RGBA_ASTC_10x6_Format,wr as RGBA_ASTC_10x8_Format,Mr as RGBA_ASTC_12x10_Format,Br as RGBA_ASTC_12x12_Format,br as RGBA_ASTC_4x4_Format,xr as RGBA_ASTC_5x4_Format,Tr as RGBA_ASTC_5x5_Format,_r as RGBA_ASTC_6x5_Format,vr as RGBA_ASTC_6x6_Format,Nr as RGBA_ASTC_8x5_Format,Sr as RGBA_ASTC_8x6_Format,Rr as RGBA_ASTC_8x8_Format,Pr as RGBA_BPTC_Format,gr as RGBA_ETC2_EAC_Format,cr as RGBA_PVRTC_2BPPV1_Format,dr as RGBA_PVRTC_4BPPV1_Format,nr as RGBA_S3TC_DXT1_Format,ar as RGBA_S3TC_DXT3_Format,or as RGBA_S3TC_DXT5_Format,Rt as RGBFormat,St as RGBIntegerFormat,hr as RGB_ETC1_Format,pr as RGB_ETC2_Format,lr as RGB_PVRTC_2BPPV1_Format,ur as RGB_PVRTC_4BPPV1_Format,ir as RGB_S3TC_DXT1_Format,G as RGFormat,Nt as RGIntegerFormat,Hb as RTTNode,hT as RangeNode,fs as RectAreaLight,zN as RectAreaLightNode,xt as RedFormat,bt as RedIntegerFormat,gc as ReferenceNode,Ob as ReflectorNode,_s as ReinhardToneMapping,ll as RemapNode,ml as RenderOutputNode,Ne as RenderTarget,$u as RendererReferenceNode,__ as RendererUtils,Ir as RepeatWrapping,us as ReplaceStencilOp,Ct as ReverseSubtractEquation,Pf as RotateNode,fr as SIGNED_R11_EAC_Format,Dr as SIGNED_RED_GREEN_RGTC2_Format,Fr as SIGNED_RED_RGTC1_Format,yr as SIGNED_RG11_EAC_Format,re as SRGBColorSpace,g as SRGBTransfer,ae as Scene,ox as SceneNode,zl as ScreenNode,sT as ScriptableNode,Zx as ScriptableValueNode,gi as SetNode,c_ as ShadowBaseNode,Fe as ShadowMaterial,O_ as ShadowNode,zf as ShadowNodeMaterial,Tt as ShortType,ip as SkinningNode,C as Sphere,tt as SphereGeometry,pi as SplitNode,ps as SpotLight,$N as SpotLightNode,Pe as SpriteMaterial,Df as SpriteNodeMaterial,_b as SpriteSheetUVNode,$e as SrcAlphaFactor,Ut as SrcAlphaSaturateFactor,It as SrcColorFactor,Py as StackNode,f as StaticDrawUsage,kh as StorageArrayElementNode,rx as StorageBufferAttribute,zh as StorageBufferNode,tx as StorageInstancedBufferAttribute,NC as StorageTexture,cx as StorageTextureNode,Dy as StructNode,Fy as StructTypeNode,Mu as SubBuildNode,Mt as SubtractEquation,$t as SubtractiveBlending,Jv as TSL,U as TangentSpaceNormalMap,di as TempNode,N as Texture,gx as Texture3DNode,Ml as TextureNode,Rl as TextureSizeNode,Et as TimestampQuery,Hu as ToneMappingNode,Ix as ToonOutlinePassNode,Qe as UVMapping,Ue as Uint16BufferAttribute,De as Uint32BufferAttribute,Il as UniformArrayNode,pa as UniformGroupNode,xa as UniformNode,Ge as UnsignedByteType,rr as UnsignedInt101111Type,ke as UnsignedInt248Type,tr as UnsignedInt5999Type,S as UnsignedIntType,Jt as UnsignedShort4444Type,er as UnsignedShort5551Type,vt as UnsignedShortType,fx as UserDataNode,Ze as VSMShadowMap,Ru as VarNode,Pu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Gp as VertexColorNode,wp as ViewportDepthNode,Ap as ViewportDepthTextureNode,Bx as ViewportSharedTextureNode,Tp as ViewportTextureNode,jf as VolumeNodeMaterial,c as WebGLCoordinateSystem,se as WebGLCubeRenderTarget,h as WebGPUCoordinateSystem,TC as WebGPURenderer,pt as WebXRController,dt as ZeroFactor,ls as ZeroStencilOp,wt as createCanvasElement,ri as defaultBuildStages,ti as defaultShaderStages,o as error,_ as log,si as shaderStages,ii as vectorComponents,d as warn,v as warnOnce};