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three.webgpu.min.js

three.webgpu.min.js 510 KB
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123456 
  1. /**
    2. 

  2.  * @license
    3. 

  3.  * Copyright 2010-2025 Three.js Authors
    4. 

  4.  * SPDX-License-Identifier: MIT
    5. 

  5.  */
    6. 

  6. import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as o,EventDispatcher as a,MathUtils as u,WebGLCoordinateSystem as l,WebGPUCoordinateSystem as d,ColorManagement as c,SRGBTransfer as h,NoToneMapping as p,StaticDrawUsage as g,InterleavedBuffer as m,DynamicDrawUsage as f,InterleavedBufferAttribute as y,NoColorSpace as x,UnsignedIntType as b,IntType as T,Sphere as _,BackSide as v,Euler as N,CubeReflectionMapping as S,CubeRefractionMapping as R,TangentSpaceNormalMap as A,ObjectSpaceNormalMap as E,InstancedInterleavedBuffer as C,InstancedBufferAttribute as w,DataArrayTexture as M,FloatType as B,FramebufferTexture as F,LinearMipmapLinearFilter as U,DepthTexture as P,Material as I,NormalBlending as L,LineBasicMaterial as D,LineDashedMaterial as V,NoBlending as O,SRGBColorSpace as G,MeshNormalMaterial as k,WebGLCubeRenderTarget as z,BoxGeometry as $,Mesh as W,Scene as H,LinearFilter as j,CubeCamera as q,CubeTexture as X,EquirectangularReflectionMapping as K,EquirectangularRefractionMapping as Y,AddOperation as Q,MixOperation as Z,MultiplyOperation as J,MeshBasicMaterial as ee,MeshLambertMaterial as te,MeshPhongMaterial as re,BufferGeometry as se,BufferAttribute as ie,RenderTarget as ne,CubeUVReflectionMapping as oe,OrthographicCamera as ae,PerspectiveCamera as ue,HalfFloatType as le,RGBAFormat as de,LinearSRGBColorSpace as ce,Texture as he,MeshStandardMaterial as pe,MeshPhysicalMaterial as ge,MeshToonMaterial as me,MeshMatcapMaterial as fe,SpriteMaterial as ye,PointsMaterial as xe,ShadowMaterial as be,arrayNeedsUint32 as Te,Uint32BufferAttribute as _e,Uint16BufferAttribute as ve,DoubleSide as Ne,Camera as Se,DepthStencilFormat as Re,DepthFormat as Ae,UnsignedInt248Type as Ee,UnsignedByteType as Ce,Plane as we,Object3D as Me,LinearMipMapLinearFilter as Be,Float32BufferAttribute as Fe,UVMapping as Ue,LessCompare as Pe,VSMShadowMap as Ie,RGFormat as Le,BasicShadowMap as De,SphereGeometry as Ve,LinearMipmapNearestFilter as Oe,NearestMipmapLinearFilter as Ge,Float16BufferAttribute as ke,REVISION as ze,ArrayCamera as $e,WebXRController as We,RAD2DEG as He,PCFShadowMap as je,FrontSide as qe,Frustum as Xe,DataTexture as Ke,RedIntegerFormat as Ye,RedFormat as Qe,RGIntegerFormat as Ze,RGBIntegerFormat as Je,RGBFormat as et,RGBAIntegerFormat as tt,UnsignedShortType as rt,ByteType as st,ShortType as it,warnOnce as nt,createCanvasElement as ot,AddEquation as at,SubtractEquation as ut,ReverseSubtractEquation as lt,ZeroFactor as dt,OneFactor as ct,SrcColorFactor as ht,SrcAlphaFactor as pt,SrcAlphaSaturateFactor as gt,DstColorFactor as mt,DstAlphaFactor as ft,OneMinusSrcColorFactor as yt,OneMinusSrcAlphaFactor as xt,OneMinusDstColorFactor as bt,OneMinusDstAlphaFactor as Tt,CullFaceNone as _t,CullFaceBack as vt,CullFaceFront as Nt,CustomBlending as St,MultiplyBlending as Rt,SubtractiveBlending as At,AdditiveBlending as Et,NotEqualDepth as Ct,GreaterDepth as wt,GreaterEqualDepth as Mt,EqualDepth as Bt,LessEqualDepth as Ft,LessDepth as Ut,AlwaysDepth as Pt,NeverDepth as It,UnsignedShort4444Type as Lt,UnsignedShort5551Type as Dt,UnsignedInt5999Type as Vt,AlphaFormat as Ot,LuminanceFormat as Gt,LuminanceAlphaFormat as kt,RGB_S3TC_DXT1_Format as zt,RGBA_S3TC_DXT1_Format as $t,RGBA_S3TC_DXT3_Format as Wt,RGBA_S3TC_DXT5_Format as Ht,RGB_PVRTC_4BPPV1_Format as jt,RGB_PVRTC_2BPPV1_Format as qt,RGBA_PVRTC_4BPPV1_Format as Xt,RGBA_PVRTC_2BPPV1_Format as Kt,RGB_ETC1_Format as Yt,RGB_ETC2_Format as Qt,RGBA_ETC2_EAC_Format as Zt,RGBA_ASTC_4x4_Format as Jt,RGBA_ASTC_5x4_Format as er,RGBA_ASTC_5x5_Format as tr,RGBA_ASTC_6x5_Format as rr,RGBA_ASTC_6x6_Format as sr,RGBA_ASTC_8x5_Format as ir,RGBA_ASTC_8x6_Format as nr,RGBA_ASTC_8x8_Format as or,RGBA_ASTC_10x5_Format as ar,RGBA_ASTC_10x6_Format as ur,RGBA_ASTC_10x8_Format as lr,RGBA_ASTC_10x10_Format as dr,RGBA_ASTC_12x10_Format as cr,RGBA_ASTC_12x12_Format as hr,RGBA_BPTC_Format as pr,RED_RGTC1_Format as gr,SIGNED_RED_RGTC1_Format as mr,RED_GREEN_RGTC2_Format as fr,SIGNED_RED_GREEN_RGTC2_Format as yr,RepeatWrapping as xr,ClampToEdgeWrapping as br,MirroredRepeatWrapping as Tr,NearestFilter as _r,NearestMipmapNearestFilter as vr,NeverCompare as Nr,AlwaysCompare as Sr,LessEqualCompare as Rr,EqualCompare as Ar,GreaterEqualCompare as Er,GreaterCompare as Cr,NotEqualCompare as wr,NotEqualStencilFunc as Mr,GreaterStencilFunc as Br,GreaterEqualStencilFunc as Fr,EqualStencilFunc as Ur,LessEqualStencilFunc as Pr,LessStencilFunc as Ir,AlwaysStencilFunc as Lr,NeverStencilFunc as Dr,DecrementWrapStencilOp as Vr,IncrementWrapStencilOp as Or,DecrementStencilOp as Gr,IncrementStencilOp as kr,InvertStencilOp as zr,ReplaceStencilOp as $r,ZeroStencilOp as Wr,KeepStencilOp as Hr,MaxEquation as jr,MinEquation as qr,SpotLight as Xr,PointLight as Kr,DirectionalLight as Yr,RectAreaLight as Qr,AmbientLight as Zr,HemisphereLight as Jr,LightProbe as es,LinearToneMapping as ts,ReinhardToneMapping as rs,CineonToneMapping as ss,ACESFilmicToneMapping as is,AgXToneMapping as ns,NeutralToneMapping as os,Group as as,Loader as us,FileLoader as ls,MaterialLoader as ds,ObjectLoader as cs}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,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,CylinderGeometry,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LinearTransfer,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,PCFSoftShadowMap,Path,PlaneGeometry,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RenderTargetArray,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,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding}from"./three.core.min.js";const hs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveMap","envMap","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"];class ps{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=hs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}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}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 null!==e.renderer.nodes.modelViewMatrix||null!==e.renderer.nodes.modelNormalViewMatrix}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){const{object:t,material:r,geometry:s}=e,i=this.getRenderObjectData(e);if(!0!==i.worldMatrix.equals(t.matrixWorld))return i.worldMatrix.copy(t.matrixWorld),!1;const n=i.material;for(const e in n){const t=n[e],s=r[e];if(void 0!==t.equals){if(!1===t.equals(s))return t.copy(s),!1}else if(!0===s.isTexture){if(t.id!==s.id||t.version!==s.version)return t.id=s.id,t.version=s.version,!1}else if(t!==s)return n[e]=s,!1}if(n.transmission>0){const{width:t,height:r}=e.context;if(i.bufferWidth!==t||i.bufferHeight!==r)return i.bufferWidth=t,i.bufferHeight=r,!1}const o=i.geometry,a=s.attributes,u=o.attributes,l=Object.keys(u),d=Object.keys(a);if(o.id!==s.id)return o.id=s.id,!1;if(l.length!==d.length)return i.geometry.attributes=this.getAttributesData(a),!1;for(const e of l){const t=u[e],r=a[e];if(void 0===r)return delete u[e],!1;if(t.version!==r.version)return t.version=r.version,!1}const c=s.index,h=o.indexVersion,p=c?c.version:null;if(h!==p)return o.indexVersion=p,!1;if(o.drawRange.start!==s.drawRange.start||o.drawRange.count!==s.drawRange.count)return o.drawRange.start=s.drawRange.start,o.drawRange.count=s.drawRange.count,!1;if(i.morphTargetInfluences){let e=!1;for(let r=0;r<i.morphTargetInfluences.length;r++)i.morphTargetInfluences[r]!==t.morphTargetInfluences[r]&&(e=!0);if(e)return!0}return i.center&&!1===i.center.equals(t.center)?(i.center.copy(t.center),!0):(null!==e.bundle&&(i.version=e.bundle.version),!0)}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e))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;return!0!==this.equals(e)}}function gs(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 ms=e=>gs(e),fs=e=>gs(e),ys=(...e)=>gs(e);function xs(e,t=!1){const r=[];!0===e.isNode&&(r.push(e.id),e=e.getSelf());for(const{property:s,childNode:i}of bs(e))r.push(gs(s.slice(0,-4)),i.getCacheKey(t));return gs(r)}function*bs(e,t=!1){for(const r in e){if(!0===r.startsWith("_"))continue;const s=e[r];if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)yield{property:r,childNode:s};else if("object"==typeof s)for(const e in s){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}}}const Ts=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),_s=new WeakMap;function vs(e){return Ts.get(e)}function Ns(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 Ss(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 console.error("THREE.TSL: Unsupported type:",e)}function Rs(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 As(a,...u){const l=a?a.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"===a?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 o(...u):"bool"===a?u[0]||!1:"float"===a||"int"===a||"uint"===a?u[0]||0:"string"===a?u[0]||"":"ArrayBuffer"===a?ws(u[0]):null}function Es(e){let t=_s.get(e);return void 0===t&&(t={},_s.set(e,t)),t}function Cs(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 ws(e){return Uint8Array.from(atob(e),(e=>e.charCodeAt(0))).buffer}var Ms=Object.freeze({__proto__:null,arrayBufferToBase64:Cs,base64ToArrayBuffer:ws,getCacheKey:xs,getDataFromObject:Es,getLengthFromType:Ss,getNodeChildren:bs,getTypeFromLength:vs,getTypedArrayFromType:Ns,getValueFromType:As,getValueType:Rs,hash:ys,hashArray:fs,hashString:ms});const Bs={VERTEX:"vertex",FRAGMENT:"fragment"},Fs={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},Us={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},Ps={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},Is=["fragment","vertex"],Ls=["setup","analyze","generate"],Ds=[...Is,"compute"],Vs=["x","y","z","w"];let Os=0;class Gs extends a{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=Fs.NONE,this.updateBeforeType=Fs.NONE,this.updateAfterType=Fs.NONE,this.uuid=u.generateUUID(),this.version=0,this.global=!1,this.isNode=!0,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:Os++})}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.getSelf()),this}onFrameUpdate(e){return this.onUpdate(e,Fs.FRAME)}onRenderUpdate(e){return this.onUpdate(e,Fs.RENDER)}onObjectUpdate(e){return this.onUpdate(e,Fs.OBJECT)}onReference(e){return this.updateReference=e.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of bs(this))yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}getCacheKey(e=!1){return!0!==(e=e||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=ys(xs(this,e),this.customCacheKey()),this._cacheKeyVersion=this.version),this._cacheKey}customCacheKey(){return 0}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}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){if(1===e.increaseUsage(this)){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);e.addNode(this),e.addChain(this);let s=null;const i=e.getBuildStage();if("setup"===i){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0;const r=this.setup(e),s=r&&!0===r.isNode;for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e);s&&r.build(e),t.outputNode=r}}else if("analyze"===i)this.analyze(e);else if("generate"===i){if(1===this.generate.length){const r=this.getNodeType(e),i=e.getDataFromNode(this);s=i.snippet,void 0===s?(s=this.generate(e)||"",i.snippet=s):void 0!==i.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),s=e.format(s,r,t)}else s=this.generate(e,t)||""}return e.removeChain(this),e.addSequentialNode(this),s}getSerializeChildren(){return bs(this)}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:4.6,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 ks extends Gs{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)}generate(e){return`${this.node.build(e)}[ ${this.indexNode.build(e,"uint")} ]`}}class zs extends Gs{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 $s extends Gs{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),o=e.getPropertyName(n);return e.addLineFlowCode(`${o} = ${i}`,this),s.snippet=i,s.propertyName=o,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class Ws extends $s{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce(((t,r)=>t+e.getTypeLength(r.getNodeType(e))),0))}generate(e,t){const r=this.getNodeType(e),s=this.nodes,i=e.getComponentType(r),n=[];for(const t of s){let r=t.build(e);const s=e.getComponentType(t.getNodeType(e));s!==i&&(r=e.format(r,s,i)),n.push(r)}const o=`${e.getType(r)}( ${n.join(", ")} )`;return e.format(o,r,t)}}const Hs=Vs.join("");class js extends Gs{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(Vs.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const o=r.build(e,n);i=this.components.length===s&&this.components===Hs.slice(0,this.components.length)?e.format(o,n,t):e.format(`${o}.${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 qs extends $s{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),o=e.getTypeFromLength(r.length,n),a=s.build(e,o),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=Vs[e];t===r[0]?(d.push(a),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class Xs extends $s{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),o=e.getPropertyName(n);e.addLineFlowCode(o+" = "+i,this);const a=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<a;e++){const r=Vs[e];r===t[l]?(u.push("1.0 - "+o+"."+r),l++):u.push(o+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class Ks extends Gs{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?Rs(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=Rs(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Cs(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?As(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){console.warn("Abstract function.")}}const Ys=/float|u?int/;class Qs extends Ks{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 Ys.test(r)&&Ys.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class Zs extends Gs{static get type(){return"MemberNode"}constructor(e,t){super(),this.node=e,this.property=t,this.isMemberNode=!0}getNodeType(e){return this.node.getMemberType(e,this.property)}generate(e){return this.node.build(e)+"."+this.property}}let Js=null;const ei=new Map;function ti(e,t){if(ei.has(e))console.warn(`Redefinition of method chaining ${e}`);else{if("function"!=typeof t)throw new Error(`Node element ${e} is not a function`);ei.set(e,t)}}const ri=e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),si=e=>ri(e).split("").sort().join(""),ii={setup(e,t){const r=t.shift();return e(wi(r),...t)},get(e,t,r){if("string"==typeof t&&void 0===e[t]){if(!0!==e.isStackNode&&"assign"===t)return(...e)=>(Js.assign(r,...e),r);if(ei.has(t)){const s=ei.get(t);return e.isStackNode?(...e)=>r.add(s(...e)):(...e)=>s(r,...e)}if("self"===t)return e;if(t.endsWith("Assign")&&ei.has(t.slice(0,t.length-6))){const s=ei.get(t.slice(0,t.length-6));return e.isStackNode?(...e)=>r.assign(e[0],s(...e)):(...e)=>r.assign(s(r,...e))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(t))return t=ri(t),Ci(new js(r,t));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(t))return t=si(t.slice(3).toLowerCase()),r=>Ci(new qs(e,t,r));if(!0===/^flip[XYZWRGBASTPQ]{1,4}$/.test(t))return t=si(t.slice(4).toLowerCase()),()=>Ci(new Xs(Ci(e),t));if("width"===t||"height"===t||"depth"===t)return"width"===t?t="x":"height"===t?t="y":"depth"===t&&(t="z"),Ci(new js(e,t));if(!0===/^\d+$/.test(t))return Ci(new ks(r,new Qs(Number(t),"uint")));if(!0===/^get$/.test(t))return e=>Ci(new Zs(r,e))}return Reflect.get(e,t,r)},set:(e,t,r,s)=>"string"!=typeof t||void 0!==e[t]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(t)&&"width"!==t&&"height"!==t&&"depth"!==t&&!0!==/^\d+$/.test(t)?Reflect.set(e,t,r,s):(s[t].assign(r),!0)},ni=new WeakMap,oi=new WeakMap,ai=function(e,t=null){for(const r in e)e[r]=Ci(e[r],t);return e},ui=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Ci(e[s],t);return e},li=function(e,t=null,r=null,s=null){const i=e=>Ci(null!==s?Object.assign(e,s):e);return null===t?(...t)=>i(new e(...Mi(t))):null!==r?(r=Ci(r),(...s)=>i(new e(t,...Mi(s),r))):(...r)=>i(new e(t,...Mi(r)))},di=function(e,...t){return Ci(new e(...Mi(t)))};class ci extends Gs{constructor(e,t){super(),this.shaderNode=e,this.inputNodes=t}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,inputNodes:r}=this,s=e.getNodeProperties(t);if(s.onceOutput)return s.onceOutput;let i=null;if(t.layout){let s=oi.get(e.constructor);void 0===s&&(s=new WeakMap,oi.set(e.constructor,s));let n=s.get(t);void 0===n&&(n=Ci(e.buildFunctionNode(t)),s.set(t,n)),e.addInclude(n),i=Ci(n.call(r))}else{const s=t.jsFunc,n=null!==r||s.length>1?s(r||[],e):s(e);i=Ci(n)}return t.once&&(s.onceOutput=i),i}getOutputNode(e){const t=e.getNodeProperties(this);return null===t.outputNode&&(t.outputNode=this.setupOutput(e)),t.outputNode}setup(e){return this.getOutputNode(e)}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}generate(e,t){return this.getOutputNode(e).build(e,t)}}class hi extends Gs{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}call(e=null){return wi(e),Ci(new ci(this,e))}setup(){return this.call()}}const pi=[!1,!0],gi=[0,1,2,3],mi=[-1,-2],fi=[.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],yi=new Map;for(const e of pi)yi.set(e,new Qs(e));const xi=new Map;for(const e of gi)xi.set(e,new Qs(e,"uint"));const bi=new Map([...xi].map((e=>new Qs(e.value,"int"))));for(const e of mi)bi.set(e,new Qs(e,"int"));const Ti=new Map([...bi].map((e=>new Qs(e.value))));for(const e of fi)Ti.set(e,new Qs(e));for(const e of fi)Ti.set(-e,new Qs(-e));const _i={bool:yi,uint:xi,ints:bi,float:Ti},vi=new Map([...yi,...Ti]),Ni=(e,t)=>vi.has(e)?vi.get(e):!0===e.isNode?e:new Qs(e,t),Si=function(e,t=null){return(...r)=>{if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every((e=>"object"!=typeof e)))&&(r=[As(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Ci(t.get(r[0]));if(1===r.length){const t=Ni(r[0],e);return(e=>{try{return e.getNodeType()}catch(e){return}})(t)===e?Ci(t):Ci(new zs(t,e))}const s=r.map((e=>Ni(e)));return Ci(new Ws(s,e))}},Ri=e=>"object"==typeof e&&null!==e?e.value:e,Ai=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Ei(e,t){return new Proxy(new hi(e,t),ii)}const Ci=(e,t=null)=>function(e,t=null){const r=Rs(e);if("node"===r){let t=ni.get(e);return void 0===t&&(t=new Proxy(e,ii),ni.set(e,t),ni.set(t,t)),t}return null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Ci(Ni(e,t)):"shader"===r?Ui(e):e}(e,t),wi=(e,t=null)=>new ai(e,t),Mi=(e,t=null)=>new ui(e,t),Bi=(...e)=>new li(...e),Fi=(...e)=>new di(...e),Ui=(e,t)=>{const r=new Ei(e,t),s=(...e)=>{let t;return wi(e),t=e[0]&&e[0].isNode?[...e]:e[0],r.call(t)};return s.shaderNode=r,s.setLayout=e=>(r.setLayout(e),s),s.once=()=>(r.once=!0,s),s};ti("toGlobal",(e=>(e.global=!0,e)));const Pi=e=>{Js=e},Ii=()=>Js,Li=(...e)=>Js.If(...e);function Di(e){return Js&&Js.add(e),e}ti("append",Di);const Vi=new Si("color"),Oi=new Si("float",_i.float),Gi=new Si("int",_i.ints),ki=new Si("uint",_i.uint),zi=new Si("bool",_i.bool),$i=new Si("vec2"),Wi=new Si("ivec2"),Hi=new Si("uvec2"),ji=new Si("bvec2"),qi=new Si("vec3"),Xi=new Si("ivec3"),Ki=new Si("uvec3"),Yi=new Si("bvec3"),Qi=new Si("vec4"),Zi=new Si("ivec4"),Ji=new Si("uvec4"),en=new Si("bvec4"),tn=new Si("mat2"),rn=new Si("mat3"),sn=new Si("mat4");ti("toColor",Vi),ti("toFloat",Oi),ti("toInt",Gi),ti("toUint",ki),ti("toBool",zi),ti("toVec2",$i),ti("toIVec2",Wi),ti("toUVec2",Hi),ti("toBVec2",ji),ti("toVec3",qi),ti("toIVec3",Xi),ti("toUVec3",Ki),ti("toBVec3",Yi),ti("toVec4",Qi),ti("toIVec4",Zi),ti("toUVec4",Ji),ti("toBVec4",en),ti("toMat2",tn),ti("toMat3",rn),ti("toMat4",sn);const nn=Bi(ks),on=(e,t)=>Ci(new zs(Ci(e),t));ti("element",nn),ti("convert",on);class an extends $s{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getNodeType(e){return null===this.nodeType&&(this.nodeType=this.values[0].getNodeType(e)),this.nodeType}getElementType(e){return this.getNodeType(e)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const un=(...e)=>{let t;if(1===e.length){const r=e[0];t=new an(null,r.length,r)}else{const r=e[0],s=e[1];t=new an(r,s)}return Ci(t)};ti("toArray",((e,t)=>un(Array(t).fill(e))));class ln extends Gs{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const dn=e=>new ln(e),cn=(e,t=0)=>new ln(e,!0,t),hn=cn("frame"),pn=cn("render"),gn=dn("object");class mn extends Ks{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=gn}label(e){return this.name=e,this}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){const r=this.getSelf();return e=e.bind(r),super.onUpdate((t=>{const s=e(t,r);void 0!==s&&(this.value=s)}),t)}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),o=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.label),a=e.getPropertyName(o);return void 0!==e.context.label&&delete e.context.label,e.format(a,r,t)}}const fn=(e,t)=>{const r=Ai(t||e),s=e&&!0===e.isNode?e.node&&e.node.value||e.value:e;return Ci(new mn(s,r))};class yn extends Gs{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0}getHash(e){return this.name||super.getHash(e)}isGlobal(){return!0}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const xn=(e,t)=>Ci(new yn(e,t)),bn=(e,t)=>Ci(new yn(e,t,!0)),Tn=Fi(yn,"vec4","DiffuseColor"),_n=Fi(yn,"vec3","EmissiveColor"),vn=Fi(yn,"float","Roughness"),Nn=Fi(yn,"float","Metalness"),Sn=Fi(yn,"float","Clearcoat"),Rn=Fi(yn,"float","ClearcoatRoughness"),An=Fi(yn,"vec3","Sheen"),En=Fi(yn,"float","SheenRoughness"),Cn=Fi(yn,"float","Iridescence"),wn=Fi(yn,"float","IridescenceIOR"),Mn=Fi(yn,"float","IridescenceThickness"),Bn=Fi(yn,"float","AlphaT"),Fn=Fi(yn,"float","Anisotropy"),Un=Fi(yn,"vec3","AnisotropyT"),Pn=Fi(yn,"vec3","AnisotropyB"),In=Fi(yn,"color","SpecularColor"),Ln=Fi(yn,"float","SpecularF90"),Dn=Fi(yn,"float","Shininess"),Vn=Fi(yn,"vec4","Output"),On=Fi(yn,"float","dashSize"),Gn=Fi(yn,"float","gapSize"),kn=Fi(yn,"float","pointWidth"),zn=Fi(yn,"float","IOR"),$n=Fi(yn,"float","Transmission"),Wn=Fi(yn,"float","Thickness"),Hn=Fi(yn,"float","AttenuationDistance"),jn=Fi(yn,"color","AttenuationColor"),qn=Fi(yn,"float","Dispersion");class Xn extends $s{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return Vs.join("").slice(0,r)!==t.components}return!1}generate(e,t){const{targetNode:r,sourceNode:s}=this,i=this.needsSplitAssign(e),n=r.getNodeType(e),o=r.context({assign:!0}).build(e),a=s.build(e,n),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=o);else if(i){const s=e.getVarFromNode(this,null,n),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${a}`,this);const u=r.node.context({assign:!0}).build(e);for(let t=0;t<r.components.length;t++){const s=r.components[t];e.addLineFlowCode(`${u}.${s} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=o)}else d=`${o} = ${a}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=o));return l.initialized=!0,e.format(d,n,t)}}const Kn=Bi(Xn);ti("assign",Kn);class Yn extends $s{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i))for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]));else for(const e of s){const r=i[e.name];if(void 0===r)throw new Error(`FunctionCallNode: Input '${e.name}' not found in FunctionNode.`);t.push(n(r,e))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const Qn=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?Mi(t):wi(t[0]),Ci(new Yn(Ci(e),t)));ti("call",Qn);class Zn extends $s{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Zn(e,t,r);for(let t=0;t<s.length-1;t++)i=new Zn(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getNodeType(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),o=void 0!==i?i.getNodeType(e):null;if("void"===n||"void"===o)return"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"=="===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("<"===r||">"===r||"<="===r||">="===r){const r=t?e.getTypeLength(t):Math.max(e.getTypeLength(n),e.getTypeLength(o));return r>1?`bvec${r}`:"bool"}if(e.isMatrix(n)){if("float"===o)return n;if(e.isVector(o))return e.getVectorFromMatrix(n);if(e.isMatrix(o))return n}else if(e.isMatrix(o)){if("float"===n)return o;if(e.isVector(n))return e.getVectorFromMatrix(o)}return e.getTypeLength(o)>e.getTypeLength(n)?o:n}generate(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=this.getNodeType(e,t);let o=null,a=null;"void"!==n?(o=s.getNodeType(e),a=void 0!==i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r?e.isVector(o)?a=o:o!==a&&(o=a="float"):">>"===r||"<<"===r?(o=n,a=e.changeComponentType(a,"uint")):e.isMatrix(o)?"float"===a?a="float":e.isVector(a)?a=e.getVectorFromMatrix(o):e.isMatrix(a)||(o=a=n):o=e.isMatrix(a)?"float"===o?"float":e.isVector(o)?e.getVectorFromMatrix(a):a=n:a=n):o=a=n;const u=s.build(e,o),l=void 0!==i?i.build(e,a):null,d=e.getTypeLength(t),c=e.getFunctionOperator(r);return"void"!==t?"<"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} < ${l} )`,n,t):"<="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} <= ${l} )`,n,t):">"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} > ${l} )`,n,t):">="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} >= ${l} )`,n,t):"!"===r||"~"===r?e.format(`(${r}${u})`,o,t):c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`( ${l} ${r} ${u} )`,n,t):"float"===o&&e.isMatrix(a)?e.format(`${u} ${r} ${l}`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t):"void"!==o?c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t):void 0}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Jn=Bi(Zn,"+"),eo=Bi(Zn,"-"),to=Bi(Zn,"*"),ro=Bi(Zn,"/"),so=Bi(Zn,"%"),io=Bi(Zn,"=="),no=Bi(Zn,"!="),oo=Bi(Zn,"<"),ao=Bi(Zn,">"),uo=Bi(Zn,"<="),lo=Bi(Zn,">="),co=Bi(Zn,"&&"),ho=Bi(Zn,"||"),po=Bi(Zn,"!"),go=Bi(Zn,"^^"),mo=Bi(Zn,"&"),fo=Bi(Zn,"~"),yo=Bi(Zn,"|"),xo=Bi(Zn,"^"),bo=Bi(Zn,"<<"),To=Bi(Zn,">>");ti("add",Jn),ti("sub",eo),ti("mul",to),ti("div",ro),ti("modInt",so),ti("equal",io),ti("notEqual",no),ti("lessThan",oo),ti("greaterThan",ao),ti("lessThanEqual",uo),ti("greaterThanEqual",lo),ti("and",co),ti("or",ho),ti("not",po),ti("xor",go),ti("bitAnd",mo),ti("bitNot",fo),ti("bitOr",yo),ti("bitXor",xo),ti("shiftLeft",bo),ti("shiftRight",To);const _o=(...e)=>(console.warn("TSL.OperatorNode: .remainder() has been renamed to .modInt()."),so(...e));ti("remainder",_o);class vo extends $s{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){super(),this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),o=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>o?t:n>o?r:o>i?s:t}getNodeType(e){const t=this.method;return t===vo.LENGTH||t===vo.DISTANCE||t===vo.DOT?"float":t===vo.CROSS?"vec3":t===vo.ALL?"bool":t===vo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):t===vo.MOD?this.aNode.getNodeType(e):this.getInputType(e)}generate(e,t){let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,o=this.bNode,a=this.cNode,u=e.renderer.coordinateSystem;if(r===vo.TRANSFORM_DIRECTION){let r=n,s=o;e.isMatrix(r.getNodeType(e))?s=Qi(qi(s),0):r=Qi(qi(r),0);const i=to(r,s).xyz;return Oo(i).build(e,t)}if(r===vo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);if(r===vo.ONE_MINUS)return eo(1,n).build(e,t);if(r===vo.RECIPROCAL)return ro(1,n).build(e,t);if(r===vo.DIFFERENCE)return qo(eo(n,o)).build(e,t);{const c=[];return r===vo.CROSS||r===vo.MOD?c.push(n.build(e,s),o.build(e,s)):u===l&&r===vo.STEP?c.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),o.build(e,i)):u===l&&(r===vo.MIN||r===vo.MAX)||r===vo.MOD?c.push(n.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):r===vo.REFRACT?c.push(n.build(e,i),o.build(e,i),a.build(e,"float")):r===vo.MIX?c.push(n.build(e,i),o.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)):(u===d&&r===vo.ATAN&&null!==o&&(r="atan2"),c.push(n.build(e,i)),null!==o&&c.push(o.build(e,i)),null!==a&&c.push(a.build(e,i))),e.format(`${e.getMethod(r,s)}( ${c.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}vo.ALL="all",vo.ANY="any",vo.RADIANS="radians",vo.DEGREES="degrees",vo.EXP="exp",vo.EXP2="exp2",vo.LOG="log",vo.LOG2="log2",vo.SQRT="sqrt",vo.INVERSE_SQRT="inversesqrt",vo.FLOOR="floor",vo.CEIL="ceil",vo.NORMALIZE="normalize",vo.FRACT="fract",vo.SIN="sin",vo.COS="cos",vo.TAN="tan",vo.ASIN="asin",vo.ACOS="acos",vo.ATAN="atan",vo.ABS="abs",vo.SIGN="sign",vo.LENGTH="length",vo.NEGATE="negate",vo.ONE_MINUS="oneMinus",vo.DFDX="dFdx",vo.DFDY="dFdy",vo.ROUND="round",vo.RECIPROCAL="reciprocal",vo.TRUNC="trunc",vo.FWIDTH="fwidth",vo.TRANSPOSE="transpose",vo.BITCAST="bitcast",vo.EQUALS="equals",vo.MIN="min",vo.MAX="max",vo.MOD="mod",vo.STEP="step",vo.REFLECT="reflect",vo.DISTANCE="distance",vo.DIFFERENCE="difference",vo.DOT="dot",vo.CROSS="cross",vo.POW="pow",vo.TRANSFORM_DIRECTION="transformDirection",vo.MIX="mix",vo.CLAMP="clamp",vo.REFRACT="refract",vo.SMOOTHSTEP="smoothstep",vo.FACEFORWARD="faceforward";const No=Oi(1e-6),So=Oi(1e6),Ro=Oi(Math.PI),Ao=Oi(2*Math.PI),Eo=Bi(vo,vo.ALL),Co=Bi(vo,vo.ANY),wo=Bi(vo,vo.RADIANS),Mo=Bi(vo,vo.DEGREES),Bo=Bi(vo,vo.EXP),Fo=Bi(vo,vo.EXP2),Uo=Bi(vo,vo.LOG),Po=Bi(vo,vo.LOG2),Io=Bi(vo,vo.SQRT),Lo=Bi(vo,vo.INVERSE_SQRT),Do=Bi(vo,vo.FLOOR),Vo=Bi(vo,vo.CEIL),Oo=Bi(vo,vo.NORMALIZE),Go=Bi(vo,vo.FRACT),ko=Bi(vo,vo.SIN),zo=Bi(vo,vo.COS),$o=Bi(vo,vo.TAN),Wo=Bi(vo,vo.ASIN),Ho=Bi(vo,vo.ACOS),jo=Bi(vo,vo.ATAN),qo=Bi(vo,vo.ABS),Xo=Bi(vo,vo.SIGN),Ko=Bi(vo,vo.LENGTH),Yo=Bi(vo,vo.NEGATE),Qo=Bi(vo,vo.ONE_MINUS),Zo=Bi(vo,vo.DFDX),Jo=Bi(vo,vo.DFDY),ea=Bi(vo,vo.ROUND),ta=Bi(vo,vo.RECIPROCAL),ra=Bi(vo,vo.TRUNC),sa=Bi(vo,vo.FWIDTH),ia=Bi(vo,vo.TRANSPOSE),na=Bi(vo,vo.BITCAST),oa=Bi(vo,vo.EQUALS),aa=Bi(vo,vo.MIN),ua=Bi(vo,vo.MAX),la=Bi(vo,vo.MOD),da=Bi(vo,vo.STEP),ca=Bi(vo,vo.REFLECT),ha=Bi(vo,vo.DISTANCE),pa=Bi(vo,vo.DIFFERENCE),ga=Bi(vo,vo.DOT),ma=Bi(vo,vo.CROSS),fa=Bi(vo,vo.POW),ya=Bi(vo,vo.POW,2),xa=Bi(vo,vo.POW,3),ba=Bi(vo,vo.POW,4),Ta=Bi(vo,vo.TRANSFORM_DIRECTION),_a=e=>to(Xo(e),fa(qo(e),1/3)),va=e=>ga(e,e),Na=Bi(vo,vo.MIX),Sa=(e,t=0,r=1)=>Ci(new vo(vo.CLAMP,Ci(e),Ci(t),Ci(r))),Ra=e=>Sa(e),Aa=Bi(vo,vo.REFRACT),Ea=Bi(vo,vo.SMOOTHSTEP),Ca=Bi(vo,vo.FACEFORWARD),wa=Ui((([e])=>{const t=ga(e.xy,$i(12.9898,78.233)),r=la(t,Ro);return Go(ko(r).mul(43758.5453))})),Ma=(e,t,r)=>Na(t,r,e),Ba=(e,t,r)=>Ea(t,r,e),Fa=(e,t)=>(console.warn('THREE.TSL: "atan2" is overloaded. Use "atan" instead.'),jo(e,t)),Ua=Ca,Pa=Lo;ti("all",Eo),ti("any",Co),ti("equals",oa),ti("radians",wo),ti("degrees",Mo),ti("exp",Bo),ti("exp2",Fo),ti("log",Uo),ti("log2",Po),ti("sqrt",Io),ti("inverseSqrt",Lo),ti("floor",Do),ti("ceil",Vo),ti("normalize",Oo),ti("fract",Go),ti("sin",ko),ti("cos",zo),ti("tan",$o),ti("asin",Wo),ti("acos",Ho),ti("atan",jo),ti("abs",qo),ti("sign",Xo),ti("length",Ko),ti("lengthSq",va),ti("negate",Yo),ti("oneMinus",Qo),ti("dFdx",Zo),ti("dFdy",Jo),ti("round",ea),ti("reciprocal",ta),ti("trunc",ra),ti("fwidth",sa),ti("atan2",Fa),ti("min",aa),ti("max",ua),ti("mod",la),ti("step",da),ti("reflect",ca),ti("distance",ha),ti("dot",ga),ti("cross",ma),ti("pow",fa),ti("pow2",ya),ti("pow3",xa),ti("pow4",ba),ti("transformDirection",Ta),ti("mix",Ma),ti("clamp",Sa),ti("refract",Aa),ti("smoothstep",Ba),ti("faceForward",Ca),ti("difference",pa),ti("saturate",Ra),ti("cbrt",_a),ti("transpose",ia),ti("rand",wa);class Ia extends Gs{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 this.setup(e),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.cache(),r=this.ifNode.cache(),s=this.elseNode?this.elseNode.cache():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.getNodeProperties(this);n.condNode=t,n.ifNode=r.context({nodeBlock:r}),n.elseNode=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:o}=e.getNodeProperties(this),a="void"!==t,u=a?xn(r).build(e):"";s.nodeProperty=u;const l=i.build(e,"bool");e.addFlowCode(`\n${e.tab}if ( ${l} ) {\n\n`).addFlowTab();let d=n.build(e,r);if(d&&(d=a?u+" = "+d+";":"return "+d+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+d+"\n\n"+e.tab+"}"),null!==o){e.addFlowCode(" else {\n\n").addFlowTab();let t=o.build(e,r);t&&(t=a?u+" = "+t+";":"return "+t+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(u,r,t)}}const La=Bi(Ia);ti("select",La);const Da=(...e)=>(console.warn("TSL.ConditionalNode: cond() has been renamed to select()."),La(...e));ti("cond",Da);class Va extends Gs{static get type(){return"ContextNode"}constructor(e,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}analyze(e){this.node.build(e)}setup(e){const t=e.getContext();e.setContext({...e.context,...this.value});const r=this.node.build(e);return e.setContext(t),r}generate(e,t){const r=e.getContext();e.setContext({...e.context,...this.value});const s=this.node.build(e,t);return e.setContext(r),s}}const Oa=Bi(Va),Ga=(e,t)=>Oa(e,{label:t});ti("context",Oa),ti("label",Ga);class ka extends Gs{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}getHash(e){return this.name||super.getHash(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let o=!1,a=!1;s&&(o=e.isDeterministic(t),a=n?s:o);const u=e.getVectorType(this.getNodeType(e)),l=t.build(e,u),d=e.getVarFromNode(this,r,u,void 0,a),c=e.getPropertyName(d);let h=c;if(a)if(n)h=o?`const ${c}`:`let ${c}`;else{const r=e.getArrayCount(t);h=`const ${e.getVar(d.type,c,r)}`}return e.addLineFlowCode(`${h} = ${l}`,this),c}}const za=Bi(ka),$a=(e,t=null)=>za(e,t).append(),Wa=(e,t=null)=>za(e,t,!0).append();ti("toVar",$a),ti("toConst",Wa);const Ha=e=>(console.warn('TSL: "temp( node )" is deprecated. Use "Var( node )" or "node.toVar()" instead.'),za(e));ti("temp",Ha);class ja extends Gs{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=e,this.name=t,this.isVaryingNode=!0}isGlobal(){return!0}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);t.varying=r=e.getVaryingFromNode(this,s,i),t.node=this.node}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e)}analyze(e){return this.setupVarying(e),this.node.analyze(e)}generate(e){const t=e.getNodeProperties(this),r=this.setupVarying(e),s="fragment"===e.shaderStage&&!0===t.reassignPosition&&e.context.needsPositionReassign;if(void 0===t.propertyName||s){const i=this.getNodeType(e),n=e.getPropertyName(r,Bs.VERTEX);e.flowNodeFromShaderStage(Bs.VERTEX,this.node,i,n),t.propertyName=n,s?t.reassignPosition=!1:void 0===t.reassignPosition&&e.context.isPositionNodeInput&&(t.reassignPosition=!0)}return e.getPropertyName(r)}}const qa=Bi(ja),Xa=e=>qa(e);ti("toVarying",qa),ti("toVertexStage",Xa),ti("varying",((...e)=>(console.warn("TSL.VaryingNode: .varying() has been renamed to .toVarying()."),qa(...e)))),ti("vertexStage",((...e)=>(console.warn("TSL.VaryingNode: .vertexStage() has been renamed to .toVertexStage()."),qa(...e))));const Ka=Ui((([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return Na(t,r,s)})).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ya=Ui((([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return Na(t,r,s)})).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Qa="WorkingColorSpace",Za="OutputColorSpace";class Ja extends $s{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===Qa?c.workingColorSpace:t===Za?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!==c.enabled&&r!==s&&r&&s?(c.getTransfer(r)===h&&(i=Qi(Ka(i.rgb),i.a)),c.getPrimaries(r)!==c.getPrimaries(s)&&(i=Qi(rn(c._getMatrix(new n,r,s)).mul(i.rgb),i.a)),c.getTransfer(s)===h&&(i=Qi(Ya(i.rgb),i.a)),i):i}}const eu=e=>Ci(new Ja(Ci(e),Qa,Za)),tu=e=>Ci(new Ja(Ci(e),Za,Qa)),ru=(e,t)=>Ci(new Ja(Ci(e),Qa,t)),su=(e,t)=>Ci(new Ja(Ci(e),t,Qa));ti("toOutputColorSpace",eu),ti("toWorkingColorSpace",tu),ti("workingToColorSpace",ru),ti("colorSpaceToWorking",su);let iu=class extends ks{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 nu extends Gs{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=Fs.OBJECT}setGroup(e){return this.group=e,this}element(e){return Ci(new iu(this,Ci(e)))}setNodeType(e){const t=fn(null,e).getSelf();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 ou extends nu{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(pn)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const au=(e,t,r=null)=>Ci(new ou(e,t,r));class uu extends $s{static get type(){return"ToneMappingNode"}constructor(e,t=du,r=null){super("vec3"),this.toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return ys(this.toneMapping)}setup(e){const t=this.colorNode||e.context.color,r=this.toneMapping;if(r===p)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Qi(i(t.rgb,this.exposureNode),t.a):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const lu=(e,t,r)=>Ci(new uu(e,Ci(t),Ci(r))),du=au("toneMappingExposure","float");ti("toneMapping",((e,t,r)=>lu(t,r,e)));class cu extends Ks{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=g,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&(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=this.value,s=e.getTypeLength(t),i=this.bufferStride||s,n=this.bufferOffset,o=!0===r.isInterleavedBuffer?r:new m(r,i),a=new y(o,s,n);o.setUsage(this.usage),this.attribute=a,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=qa(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}}const hu=(e,t=null,r=0,s=0)=>Ci(new cu(e,t,r,s)),pu=(e,t=null,r=0,s=0)=>hu(e,t,r,s).setUsage(f),gu=(e,t=null,r=0,s=0)=>hu(e,t,r,s).setInstanced(!0),mu=(e,t=null,r=0,s=0)=>pu(e,t,r,s).setInstanced(!0);ti("toAttribute",(e=>hu(e.value)));class fu extends Gs{static get type(){return"ComputeNode"}constructor(e,t,r=[64]){super("void"),this.isComputeNode=!0,this.computeNode=e,this.count=t,this.workgroupSize=r,this.dispatchCount=0,this.version=1,this.name="",this.updateBeforeType=Fs.OBJECT,this.onInitFunction=null,this.updateDispatchCount()}dispose(){this.dispatchEvent({type:"dispose"})}label(e){return this.name=e,this}updateDispatchCount(){const{count:e,workgroupSize:t}=this;let r=t[0];for(let e=1;e<t.length;e++)r*=t[e];this.dispatchCount=Math.ceil(e/r)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}generate(e){const{shaderStage:t}=e;if("compute"===t){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}}}const yu=(e,t,r)=>Ci(new fu(Ci(e),t,r));ti("compute",yu);class xu extends Gs{static get type(){return"CacheNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isCacheNode=!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}}const bu=(e,t)=>Ci(new xu(Ci(e),t));ti("cache",bu);class Tu extends Gs{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 _u=Bi(Tu);ti("bypass",_u);class vu extends Gs{static get type(){return"RemapNode"}constructor(e,t,r,s=Oi(0),i=Oi(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 o=e.sub(t).div(r.sub(t));return!0===n&&(o=o.clamp()),o.mul(i.sub(s)).add(s)}}const Nu=Bi(vu,null,null,{doClamp:!1}),Su=Bi(vu);ti("remap",Nu),ti("remapClamp",Su);class Ru extends Gs{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 Au=Bi(Ru),Eu=e=>(e?La(e,Au("discard")):Au("discard")).append();ti("discard",Eu);class Cu extends $s{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this.toneMapping?this.toneMapping:e.toneMapping)||p,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||x;return r!==p&&(t=t.toneMapping(r)),s!==x&&s!==c.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const wu=(e,t=null,r=null)=>Ci(new Cu(Ci(e),t,r));ti("renderOutput",wu);class Mu extends Gs{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return qa(this).build(e,r)}return console.warn(`AttributeNode: Vertex attribute "${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 Bu=(e,t)=>Ci(new Mu(e,t)),Fu=(e=0)=>Bu("uv"+(e>0?e:""),"vec2");class Uu extends Gs{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 Pu=Bi(Uu);class Iu extends mn{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Fs.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 Lu=Bi(Iu);class Du extends mn{static get type(){return"TextureNode"}constructor(e,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.sampler=!0,this.updateMatrix=!1,this.updateType=Fs.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=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===b?"uvec4":this.value.type===T?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Fu(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=fn(this.value.matrix)),this._matrixUniform.mul(qi(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this.updateType=e?Fs.RENDER:Fs.NONE,this}setupUV(e,t){const r=this.value;return e.isFlipY()&&(r.image instanceof ImageBitmap&&!0===r.flipY||!0===r.isRenderTargetTexture||!0===r.isFramebufferTexture||!0===r.isDepthTexture)&&(t=this.sampler?t.flipY():t.setY(Gi(Pu(this,this.levelNode).y).sub(t.y).sub(1))),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().");let s=this.uvNode;null!==s&&!0!==e.context.forceUVContext||!e.context.getUV||(s=e.context.getUV(this)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(e,s);let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this)),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=this.compareNode,t.gradNode=this.gradNode,t.depthNode=this.depthNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateSnippet(e,t,r,s,i,n,o,a){const u=this.value;let l;return l=s?e.generateTextureLevel(u,t,r,s,n):i?e.generateTextureBias(u,t,r,i,n):a?e.generateTextureGrad(u,t,r,a,n):o?e.generateTextureCompare(u,t,r,o,n):!1===this.sampler?e.generateTextureLoad(u,t,r,n):e.generateTexture(u,t,r,n),l}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if("sampler"===t)return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:a,compareNode:u,depthNode:l,gradNode:d}=s,c=this.generateUV(e,t),h=r?r.build(e,"float"):null,p=a?a.build(e,"float"):null,g=l?l.build(e,"int"):null,m=u?u.build(e,"float"):null,f=d?[d[0].build(e,"vec2"),d[1].build(e,"vec2")]:null,y=e.getVarFromNode(this);o=e.getPropertyName(y);const x=this.generateSnippet(e,i,c,h,p,g,m,f);e.addLineFlowCode(`${o} = ${x}`,this),n.snippet=x,n.propertyName=o}let a=o;const u=this.getNodeType(e);return e.needsToWorkingColorSpace(r)&&(a=su(Au(a,u),r.colorSpace).setup(e).build(e,u)),e.format(a,u,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}uv(e){return console.warn("THREE.TextureNode: .uv() has been renamed. Use .sample() instead."),this.sample(e)}sample(e){const t=this.clone();return t.uvNode=Ci(e),t.referenceNode=this.getSelf(),Ci(t)}blur(e){const t=this.clone();return t.biasNode=Ci(e).mul(Lu(t)),t.referenceNode=this.getSelf(),Ci(t)}level(e){const t=this.clone();return t.levelNode=Ci(e),t.referenceNode=this.getSelf(),Ci(t)}size(e){return Pu(this,e)}bias(e){const t=this.clone();return t.biasNode=Ci(e),t.referenceNode=this.getSelf(),Ci(t)}compare(e){const t=this.clone();return t.compareNode=Ci(e),t.referenceNode=this.getSelf(),Ci(t)}grad(e,t){const r=this.clone();return r.gradNode=[Ci(e),Ci(t)],r.referenceNode=this.getSelf(),Ci(r)}depth(e){const t=this.clone();return t.depthNode=Ci(e),t.referenceNode=this.getSelf(),Ci(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()}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e}}const Vu=Bi(Du),Ou=(...e)=>Vu(...e).setSampler(!1);class Gu extends mn{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const ku=(e,t,r)=>Ci(new Gu(e,t,r));class zu extends ks{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 $u extends Gu{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Rs(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Fs.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 Ci(new zu(this,Ci(e)))}}const Wu=(e,t)=>Ci(new $u(e,t)),Hu=fn(0,"uint").setGroup(cn("cameraIndex")).toVarying("v_cameraIndex"),ju=fn("float").label("cameraNear").setGroup(pn).onRenderUpdate((({camera:e})=>e.near)),qu=fn("float").label("cameraFar").setGroup(pn).onRenderUpdate((({camera:e})=>e.far)),Xu=Ui((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);t=Wu(r).setGroup(pn).label("cameraProjectionMatrices").element(Hu).toVar("cameraProjectionMatrix")}else t=fn("mat4").label("cameraProjectionMatrix").setGroup(pn).onRenderUpdate((({camera:e})=>e.projectionMatrix));return t})).once()(),Ku=fn("mat4").label("cameraProjectionMatrixInverse").setGroup(pn).onRenderUpdate((({camera:e})=>e.projectionMatrixInverse)),Yu=Ui((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);t=Wu(r).setGroup(pn).label("cameraViewMatrices").element(Hu).toVar("cameraViewMatrix")}else t=fn("mat4").label("cameraViewMatrix").setGroup(pn).onRenderUpdate((({camera:e})=>e.matrixWorldInverse));return t})).once()(),Qu=fn("mat4").label("cameraWorldMatrix").setGroup(pn).onRenderUpdate((({camera:e})=>e.matrixWorld)),Zu=fn("mat3").label("cameraNormalMatrix").setGroup(pn).onRenderUpdate((({camera:e})=>e.normalMatrix)),Ju=fn(new r).label("cameraPosition").setGroup(pn).onRenderUpdate((({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),el=new _;class tl extends Gs{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Fs.OBJECT,this._uniformNode=new mn(null)}getNodeType(){const e=this.scope;return e===tl.WORLD_MATRIX?"mat4":e===tl.POSITION||e===tl.VIEW_POSITION||e===tl.DIRECTION||e===tl.SCALE?"vec3":e===tl.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this._uniformNode,i=this.scope;if(i===tl.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===tl.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===tl.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===tl.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===tl.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===tl.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),el.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=el.radius}}generate(e){const t=this.scope;return t===tl.WORLD_MATRIX?this._uniformNode.nodeType="mat4":t===tl.POSITION||t===tl.VIEW_POSITION||t===tl.DIRECTION||t===tl.SCALE?this._uniformNode.nodeType="vec3":t===tl.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}}tl.WORLD_MATRIX="worldMatrix",tl.POSITION="position",tl.SCALE="scale",tl.VIEW_POSITION="viewPosition",tl.DIRECTION="direction",tl.RADIUS="radius";const rl=Bi(tl,tl.DIRECTION),sl=Bi(tl,tl.WORLD_MATRIX),il=Bi(tl,tl.POSITION),nl=Bi(tl,tl.SCALE),ol=Bi(tl,tl.VIEW_POSITION),al=Bi(tl,tl.RADIUS);class ul extends tl{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const ll=Fi(ul,ul.DIRECTION),dl=Fi(ul,ul.WORLD_MATRIX),cl=Fi(ul,ul.POSITION),hl=Fi(ul,ul.SCALE),pl=Fi(ul,ul.VIEW_POSITION),gl=Fi(ul,ul.RADIUS),ml=fn(new n).onObjectUpdate((({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld))),fl=fn(new o).onObjectUpdate((({object:e},t)=>t.value.copy(e.matrixWorld).invert())),yl=Ui((e=>e.renderer.nodes.modelViewMatrix||xl)).once()().toVar("modelViewMatrix"),xl=Yu.mul(dl),bl=Ui((e=>(e.context.isHighPrecisionModelViewMatrix=!0,fn("mat4").onObjectUpdate((({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))))).once()().toVar("highpModelViewMatrix"),Tl=Ui((e=>{const t=e.context.isHighPrecisionModelViewMatrix;return fn("mat3").onObjectUpdate((({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix))))})).once()().toVar("highpModelNormalViewMatrix"),_l=Bu("position","vec3"),vl=_l.toVarying("positionLocal"),Nl=_l.toVarying("positionPrevious"),Sl=dl.mul(vl).xyz.toVarying("v_positionWorld").context({needsPositionReassign:!0}),Rl=vl.transformDirection(dl).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection").context({needsPositionReassign:!0}),Al=Ui((e=>e.context.setupPositionView()),"vec3").once()().toVarying("v_positionView").context({needsPositionReassign:!0}),El=Al.negate().toVarying("v_positionViewDirection").normalize().toVar("positionViewDirection");class Cl extends Gs{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){const{renderer:t,material:r}=e;return t.coordinateSystem===l&&r.side===v?"false":e.getFrontFacing()}}const wl=Fi(Cl),Ml=Oi(wl).mul(2).sub(1),Bl=Bu("normal","vec3"),Fl=Ui((e=>!1===e.geometry.hasAttribute("normal")?(console.warn('TSL.NormalNode: Vertex attribute "normal" not found on geometry.'),qi(0,1,0)):Bl),"vec3").once()().toVar("normalLocal"),Ul=Al.dFdx().cross(Al.dFdy()).normalize().toVar("normalFlat"),Pl=Ui((e=>{let t;return t=!0===e.material.flatShading?Ul:qa(Gl(Fl),"v_normalView").normalize(),t}),"vec3").once()().toVar("normalView"),Il=qa(Pl.transformDirection(Yu),"v_normalWorld").normalize().toVar("normalWorld"),Ll=Ui((e=>e.context.setupNormal().context({getUV:null})),"vec3").once()().mul(Ml).toVar("transformedNormalView"),Dl=Ll.transformDirection(Yu).toVar("transformedNormalWorld"),Vl=Ui((e=>e.context.setupClearcoatNormal().context({getUV:null})),"vec3").once()().mul(Ml).toVar("transformedClearcoatNormalView"),Ol=Ui((([e,t=dl])=>{const r=rn(t),s=e.div(qi(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz})),Gl=Ui((([e],t)=>{const r=t.renderer.nodes.modelNormalViewMatrix;if(null!==r)return r.transformDirection(e);const s=ml.mul(e);return Yu.transformDirection(s)})),kl=new N,zl=new o,$l=fn(0).onReference((({material:e})=>e)).onObjectUpdate((({material:e})=>e.refractionRatio)),Wl=fn(1).onReference((({material:e})=>e)).onObjectUpdate((function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity})),Hl=fn(new o).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?(kl.copy(r),zl.makeRotationFromEuler(kl)):zl.identity(),zl})),jl=El.negate().reflect(Ll),ql=El.negate().refract(Ll,$l),Xl=jl.transformDirection(Yu).toVar("reflectVector"),Kl=ql.transformDirection(Yu).toVar("reflectVector");class Yl extends Du{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===S?Xl:e.mapping===R?Kl:(console.error('THREE.CubeTextureNode: Mapping "%s" not supported.',e.mapping),qi(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return e.renderer.coordinateSystem!==d&&r.isRenderTargetTexture||(t=qi(t.x.negate(),t.yz)),Hl.mul(t)}generateUV(e,t){return t.build(e,"vec3")}}const Ql=Bi(Yl);class Zl extends ks{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 Jl extends Gs{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=Fs.OBJECT}element(e){return Ci(new Zl(this,Ci(e)))}setGroup(e){return this.group=e,this}label(e){return this.name=e,this}setNodeType(e){let t=null;t=null!==this.count?ku(null,e,this.count):Array.isArray(this.getValueFromReference())?Wu(null,e):"texture"===e?Vu(null):"cubeTexture"===e?Ql(null):fn(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.label(this.name),this.node=t.getSelf()}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 ed=(e,t,r)=>Ci(new Jl(e,t,r)),td=(e,t,r,s)=>Ci(new Jl(e,t,s,r));class rd extends Jl{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 sd=(e,t,r=null)=>Ci(new rd(e,t,r)),id=Ui((e=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),Bu("tangent","vec4"))))(),nd=id.xyz.toVar("tangentLocal"),od=yl.mul(Qi(nd,0)).xyz.toVarying("v_tangentView").normalize().toVar("tangentView"),ad=od.transformDirection(Yu).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),ud=od.toVar("transformedTangentView"),ld=ud.transformDirection(Yu).normalize().toVar("transformedTangentWorld"),dd=e=>e.mul(id.w).xyz,cd=qa(dd(Bl.cross(id)),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),hd=qa(dd(Fl.cross(nd)),"v_bitangentLocal").normalize().toVar("bitangentLocal"),pd=qa(dd(Pl.cross(od)),"v_bitangentView").normalize().toVar("bitangentView"),gd=qa(dd(Il.cross(ad)),"v_bitangentWorld").normalize().toVar("bitangentWorld"),md=dd(Ll.cross(ud)).normalize().toVar("transformedBitangentView"),fd=md.transformDirection(Yu).normalize().toVar("transformedBitangentWorld"),yd=rn(od,pd,Pl),xd=El.mul(yd),bd=(()=>{let e=Pn.cross(El);return e=e.cross(Pn).normalize(),e=Na(e,Ll,Fn.mul(vn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e})(),Td=Ui((e=>{const{eye_pos:t,surf_norm:r,mapN:s,uv:i}=e,n=t.dFdx(),o=t.dFdy(),a=i.dFdx(),u=i.dFdy(),l=r,d=o.cross(l),c=l.cross(n),h=d.mul(a.x).add(c.mul(u.x)),p=d.mul(a.y).add(c.mul(u.y)),g=h.dot(h).max(p.dot(p)),m=Ml.mul(g.inverseSqrt());return Jn(h.mul(s.x,m),p.mul(s.y,m),l.mul(s.z)).normalize()}));class _d extends $s{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=A}setup(e){const{normalMapType:t,scaleNode:r}=this;let s=this.node.mul(2).sub(1);null!==r&&(s=qi(s.xy.mul(r),s.z));let i=null;if(t===E)i=Gl(s);else if(t===A){i=!0===e.hasGeometryAttribute("tangent")?yd.mul(s).normalize():Td({eye_pos:Al,surf_norm:Pl,mapN:s,uv:Fu()})}return i}}const vd=Bi(_d),Nd=Ui((({textureNode:e,bumpScale:t})=>{const r=t=>e.cache().context({getUV:e=>t(e.uvNode||Fu()),forceUVContext:!0}),s=Oi(r((e=>e)));return $i(Oi(r((e=>e.add(e.dFdx())))).sub(s),Oi(r((e=>e.add(e.dFdy())))).sub(s)).mul(t)})),Sd=Ui((e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,o=t.dFdy().normalize().cross(n),a=n.cross(i),u=i.dot(o).mul(Ml),l=u.sign().mul(s.x.mul(o).add(s.y.mul(a)));return u.abs().mul(r).sub(l).normalize()}));class Rd extends $s{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=Nd({textureNode:this.textureNode,bumpScale:e});return Sd({surf_pos:Al,surf_norm:Pl,dHdxy:t})}}const Ad=Bi(Rd),Ed=new Map;class Cd extends Gs{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=Ed.get(e);return void 0===r&&(r=sd(e,t),Ed.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===Cd.COLOR){const e=void 0!==t.color?this.getColor(r):qi();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===Cd.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===Cd.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Oi(1);else if(r===Cd.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===Cd.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===Cd.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===Cd.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===Cd.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===Cd.NORMAL)t.normalMap?(s=vd(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType):s=t.bumpMap?Ad(this.getTexture("bump").r,this.getFloat("bumpScale")):Pl;else if(r===Cd.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Cd.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Cd.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?vd(this.getTexture(r),this.getCache(r+"Scale","vec2")):Pl;else if(r===Cd.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===Cd.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(.07,1)}else if(r===Cd.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=tn(hc.x,hc.y,hc.y.negate(),hc.x).mul(e.rg.mul(2).sub($i(1)).normalize().mul(e.b))}else s=hc;else if(r===Cd.IRIDESCENCE_THICKNESS){const e=ed("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=ed("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===Cd.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===Cd.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===Cd.IOR)s=this.getFloat(r);else if(r===Cd.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===Cd.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}Cd.ALPHA_TEST="alphaTest",Cd.COLOR="color",Cd.OPACITY="opacity",Cd.SHININESS="shininess",Cd.SPECULAR="specular",Cd.SPECULAR_STRENGTH="specularStrength",Cd.SPECULAR_INTENSITY="specularIntensity",Cd.SPECULAR_COLOR="specularColor",Cd.REFLECTIVITY="reflectivity",Cd.ROUGHNESS="roughness",Cd.METALNESS="metalness",Cd.NORMAL="normal",Cd.CLEARCOAT="clearcoat",Cd.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Cd.CLEARCOAT_NORMAL="clearcoatNormal",Cd.EMISSIVE="emissive",Cd.ROTATION="rotation",Cd.SHEEN="sheen",Cd.SHEEN_ROUGHNESS="sheenRoughness",Cd.ANISOTROPY="anisotropy",Cd.IRIDESCENCE="iridescence",Cd.IRIDESCENCE_IOR="iridescenceIOR",Cd.IRIDESCENCE_THICKNESS="iridescenceThickness",Cd.IOR="ior",Cd.TRANSMISSION="transmission",Cd.THICKNESS="thickness",Cd.ATTENUATION_DISTANCE="attenuationDistance",Cd.ATTENUATION_COLOR="attenuationColor",Cd.LINE_SCALE="scale",Cd.LINE_DASH_SIZE="dashSize",Cd.LINE_GAP_SIZE="gapSize",Cd.LINE_WIDTH="linewidth",Cd.LINE_DASH_OFFSET="dashOffset",Cd.POINT_SIZE="size",Cd.DISPERSION="dispersion",Cd.LIGHT_MAP="light",Cd.AO="ao";const wd=Fi(Cd,Cd.ALPHA_TEST),Md=Fi(Cd,Cd.COLOR),Bd=Fi(Cd,Cd.SHININESS),Fd=Fi(Cd,Cd.EMISSIVE),Ud=Fi(Cd,Cd.OPACITY),Pd=Fi(Cd,Cd.SPECULAR),Id=Fi(Cd,Cd.SPECULAR_INTENSITY),Ld=Fi(Cd,Cd.SPECULAR_COLOR),Dd=Fi(Cd,Cd.SPECULAR_STRENGTH),Vd=Fi(Cd,Cd.REFLECTIVITY),Od=Fi(Cd,Cd.ROUGHNESS),Gd=Fi(Cd,Cd.METALNESS),kd=Fi(Cd,Cd.NORMAL),zd=Fi(Cd,Cd.CLEARCOAT),$d=Fi(Cd,Cd.CLEARCOAT_ROUGHNESS),Wd=Fi(Cd,Cd.CLEARCOAT_NORMAL),Hd=Fi(Cd,Cd.ROTATION),jd=Fi(Cd,Cd.SHEEN),qd=Fi(Cd,Cd.SHEEN_ROUGHNESS),Xd=Fi(Cd,Cd.ANISOTROPY),Kd=Fi(Cd,Cd.IRIDESCENCE),Yd=Fi(Cd,Cd.IRIDESCENCE_IOR),Qd=Fi(Cd,Cd.IRIDESCENCE_THICKNESS),Zd=Fi(Cd,Cd.TRANSMISSION),Jd=Fi(Cd,Cd.THICKNESS),ec=Fi(Cd,Cd.IOR),tc=Fi(Cd,Cd.ATTENUATION_DISTANCE),rc=Fi(Cd,Cd.ATTENUATION_COLOR),sc=Fi(Cd,Cd.LINE_SCALE),ic=Fi(Cd,Cd.LINE_DASH_SIZE),nc=Fi(Cd,Cd.LINE_GAP_SIZE),oc=Fi(Cd,Cd.LINE_WIDTH),ac=Fi(Cd,Cd.LINE_DASH_OFFSET),uc=Fi(Cd,Cd.POINT_SIZE),lc=Fi(Cd,Cd.DISPERSION),dc=Fi(Cd,Cd.LIGHT_MAP),cc=Fi(Cd,Cd.AO),hc=fn(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))})),pc=Ui((e=>e.context.setupModelViewProjection()),"vec4").once()().toVarying("v_modelViewProjection");class gc extends Gs{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===gc.VERTEX)s=e.getVertexIndex();else if(r===gc.INSTANCE)s=e.getInstanceIndex();else if(r===gc.DRAW)s=e.getDrawIndex();else if(r===gc.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===gc.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==gc.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=qa(this).build(e,t)}return i}}gc.VERTEX="vertex",gc.INSTANCE="instance",gc.SUBGROUP="subgroup",gc.INVOCATION_LOCAL="invocationLocal",gc.INVOCATION_SUBGROUP="invocationSubgroup",gc.DRAW="draw";const mc=Fi(gc,gc.VERTEX),fc=Fi(gc,gc.INSTANCE),yc=Fi(gc,gc.SUBGROUP),xc=Fi(gc,gc.INVOCATION_SUBGROUP),bc=Fi(gc,gc.INVOCATION_LOCAL),Tc=Fi(gc,gc.DRAW);class _c extends Gs{static get type(){return"InstanceNode"}constructor(e,t,r){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Fs.FRAME,this.buffer=null,this.bufferColor=null}setup(e){const{count:t,instanceMatrix:r,instanceColor:s}=this;let{instanceMatrixNode:i,instanceColorNode:n}=this;if(null===i){if(t<=1e3)i=ku(r.array,"mat4",Math.max(t,1)).element(fc);else{const e=new C(r.array,16,1);this.buffer=e;const t=r.usage===f?mu:gu,s=[t(e,"vec4",16,0),t(e,"vec4",16,4),t(e,"vec4",16,8),t(e,"vec4",16,12)];i=sn(...s)}this.instanceMatrixNode=i}if(s&&null===n){const e=new w(s.array,3),t=s.usage===f?mu:gu;this.bufferColor=e,n=qi(t(e,"vec3",3,0)),this.instanceColorNode=n}const o=i.mul(vl).xyz;if(vl.assign(o),e.hasGeometryAttribute("normal")){const e=Ol(Fl,i);Fl.assign(e)}null!==this.instanceColorNode&&bn("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMatrix.usage!==f&&null!==this.buffer&&this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version),this.instanceColor&&this.instanceColor.usage!==f&&null!==this.bufferColor&&this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)}}const vc=Bi(_c);class Nc extends _c{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const Sc=Bi(Nc);class Rc extends Gs{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=fc:this.batchingIdNode=Tc);const t=Ui((([e])=>{const t=Gi(Pu(Ou(this.batchMesh._indirectTexture),0)),r=Gi(e).modInt(t),s=Gi(e).div(t);return Ou(this.batchMesh._indirectTexture,Wi(r,s)).x})).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(Gi(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=Pu(Ou(s),0),n=Oi(r).mul(4).toInt().toVar(),o=n.modInt(i),a=n.div(Gi(i)),u=sn(Ou(s,Wi(o,a)),Ou(s,Wi(o.add(1),a)),Ou(s,Wi(o.add(2),a)),Ou(s,Wi(o.add(3),a))),l=this.batchMesh._colorsTexture;if(null!==l){const e=Ui((([e])=>{const t=Pu(Ou(l),0).x,r=e,s=r.modInt(t),i=r.div(t);return Ou(l,Wi(s,i)).rgb})).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);bn("vec3","vBatchColor").assign(t)}const d=rn(u);vl.assign(u.mul(vl));const c=Fl.div(qi(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;Fl.assign(h),e.hasGeometryAttribute("tangent")&&nd.mulAssign(d)}}const Ac=Bi(Rc),Ec=new WeakMap;class Cc extends Gs{static get type(){return"SkinningNode"}constructor(e,t=!1){let r,s,i;super("void"),this.skinnedMesh=e,this.useReference=t,this.updateType=Fs.OBJECT,this.skinIndexNode=Bu("skinIndex","uvec4"),this.skinWeightNode=Bu("skinWeight","vec4"),t?(r=ed("bindMatrix","mat4"),s=ed("bindMatrixInverse","mat4"),i=td("skeleton.boneMatrices","mat4",e.skeleton.bones.length)):(r=fn(e.bindMatrix,"mat4"),s=fn(e.bindMatrixInverse,"mat4"),i=ku(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length)),this.bindMatrixNode=r,this.bindMatrixInverseNode=s,this.boneMatricesNode=i,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=vl){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Jn(o.mul(s.x).mul(d),a.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=Fl){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w);let d=Jn(s.x.mul(o),s.y.mul(a),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=td("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,Nl)}needsPreviousBoneMatrices(e){const t=e.renderer.getMRT();return t&&t.has("velocity")||!0===Es(e.object).useVelocity}setup(e){this.needsPreviousBoneMatrices(e)&&Nl.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(vl.assign(t),e.hasGeometryAttribute("normal")){const t=this.getSkinnedNormal();Fl.assign(t),e.hasGeometryAttribute("tangent")&&nd.assign(t)}}generate(e,t){if("void"!==t)return vl.build(e,t)}update(e){const t=(this.useReference?e.object:this.skinnedMesh).skeleton;Ec.get(t)!==e.frameId&&(Ec.set(t,e.frameId),null!==this.previousBoneMatricesNode&&t.previousBoneMatrices.set(t.boneMatrices),t.update())}}const wc=e=>Ci(new Cc(e,!0));class Mc extends Gs{static get type(){return"LoopNode"}constructor(e=[]){super(),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]=Au(s,i)}const s=e.addStack();return t.returnsNode=this.params[this.params.length-1](r,s,e),t.stackNode=s,e.removeStack(),t}getNodeType(e){const{returnsNode:t}=this.getProperties(e);return t?t.getNodeType(e):"void"}setup(e){this.getProperties(e)}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let t=0,s=r.length-1;t<s;t++){const s=r[t];let i=null,n=null,o=null,a=null,u=null,l=null;s.isNode?(a="int",o=this.getVarName(t),i="0",n=s.build(e,a),u="<"):(a=s.type||"int",o=s.name||this.getVarName(t),i=s.start,n=s.end,u=s.condition,l=s.update,"number"==typeof i?i=e.generateConst(a,i):i&&i.isNode&&(i=i.build(e,a)),"number"==typeof n?n=e.generateConst(a,n):n&&n.isNode&&(n=n.build(e,a)),void 0!==i&&void 0===n?(i+=" - 1",n="0",u=">="):void 0!==n&&void 0===i&&(i="0",u="<"),void 0===u&&(u=Number(i)>Number(n)?">=":"<"));const d={start:i,end:n,condition:u},c=d.start,h=d.end;let p="",g="",m="";l||(l="int"===a||"uint"===a?u.includes("<")?"++":"--":u.includes("<")?"+= 1.":"-= 1."),p+=e.getVar(a,o)+" = "+c,g+=o+" "+u+" "+h,m+=o+" "+l;const f=`for ( ${p}; ${g}; ${m} )`;e.addFlowCode((0===t?"\n":"")+e.tab+f+" {\n\n").addFlowTab()}const i=s.build(e,"void"),n=t.returnsNode?t.returnsNode.build(e):"";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();return e.addFlowTab(),n}}const Bc=(...e)=>Ci(new Mc(Mi(e,"int"))).append(),Fc=()=>Au("break").append(),Uc=new WeakMap,Pc=new s,Ic=Ui((({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const o=Gi(mc).mul(r).add(n),a=o.div(s),u=o.sub(a.mul(s));return Ou(e,Wi(u,a)).depth(i).mul(t)}));class Lc extends Gs{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=fn(1),this.updateType=Fs.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,o=void 0!==n?n.length:0,{texture:a,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,o=void 0!==n?n.length:0;let a=Uc.get(e);if(void 0===a||a.count!==o){void 0!==a&&a.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*o),f=new M(m,h,p,o);f.type=B,f.needsUpdate=!0;const y=4*c;for(let b=0;b<o;b++){const T=u[b],_=l[b],v=d[b],N=h*p*4*b;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(Pc.fromBufferAttribute(T,S),m[N+R+0]=Pc.x,m[N+R+1]=Pc.y,m[N+R+2]=Pc.z,m[N+R+3]=0),!0===s&&(Pc.fromBufferAttribute(_,S),m[N+R+4]=Pc.x,m[N+R+5]=Pc.y,m[N+R+6]=Pc.z,m[N+R+7]=0),!0===i&&(Pc.fromBufferAttribute(v,S),m[N+R+8]=Pc.x,m[N+R+9]=Pc.y,m[N+R+10]=Pc.z,m[N+R+11]=4===v.itemSize?Pc.w:1)}}function x(){f.dispose(),Uc.delete(e),e.removeEventListener("dispose",x)}a={count:o,texture:f,stride:c,size:new t(h,p)},Uc.set(e,a),e.addEventListener("dispose",x)}return a}(r);!0===s&&vl.mulAssign(this.morphBaseInfluence),!0===i&&Fl.mulAssign(this.morphBaseInfluence);const d=Gi(l.width);Bc(o,(({i:e})=>{const t=Oi(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Ou(this.mesh.morphTexture,Wi(Gi(e).add(1),Gi(fc))).r):t.assign(ed("morphTargetInfluences","float").element(e).toVar()),!0===s&&vl.addAssign(Ic({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Gi(0)})),!0===i&&Fl.addAssign(Ic({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Gi(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 Dc=Bi(Lc);class Vc extends Gs{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Oc extends Vc{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class Gc extends Va{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:qi().toVar("directDiffuse"),directSpecular:qi().toVar("directSpecular"),indirectDiffuse:qi().toVar("indirectDiffuse"),indirectSpecular:qi().toVar("indirectSpecular")};return{radiance:qi().toVar("radiance"),irradiance:qi().toVar("irradiance"),iblIrradiance:qi().toVar("iblIrradiance"),ambientOcclusion:Oi(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 kc=Bi(Gc);class zc extends Vc{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}let $c,Wc;class Hc extends Gs{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this.isViewportNode=!0}getNodeType(){return this.scope===Hc.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Fs.NONE;return this.scope!==Hc.SIZE&&this.scope!==Hc.VIEWPORT||(e=Fs.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===Hc.VIEWPORT?null!==t?Wc.copy(t.viewport):(e.getViewport(Wc),Wc.multiplyScalar(e.getPixelRatio())):null!==t?($c.width=t.width,$c.height=t.height):e.getDrawingBufferSize($c)}setup(){const e=this.scope;let r=null;return r=e===Hc.SIZE?fn($c||($c=new t)):e===Hc.VIEWPORT?fn(Wc||(Wc=new s)):$i(Xc.div(qc)),r}generate(e){if(this.scope===Hc.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(qc).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}Hc.COORDINATE="coordinate",Hc.VIEWPORT="viewport",Hc.SIZE="size",Hc.UV="uv";const jc=Fi(Hc,Hc.UV),qc=Fi(Hc,Hc.SIZE),Xc=Fi(Hc,Hc.COORDINATE),Kc=Fi(Hc,Hc.VIEWPORT),Yc=Kc.zw,Qc=Xc.sub(Kc.xy),Zc=Qc.div(Yc),Jc=Ui((()=>(console.warn('TSL.ViewportNode: "viewportResolution" is deprecated. Use "screenSize" instead.'),qc)),"vec2").once()(),eh=Ui((()=>(console.warn('TSL.ViewportNode: "viewportTopLeft" is deprecated. Use "screenUV" instead.'),jc)),"vec2").once()(),th=Ui((()=>(console.warn('TSL.ViewportNode: "viewportBottomLeft" is deprecated. Use "screenUV.flipY()" instead.'),jc.flipY())),"vec2").once()(),rh=new t;class sh extends Du{static get type(){return"ViewportTextureNode"}constructor(e=jc,t=null,r=null){null===r&&((r=new F).minFilter=U),super(r,e,t),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Fs.FRAME}updateBefore(e){const t=e.renderer;t.getDrawingBufferSize(rh);const r=this.value;r.image.width===rh.width&&r.image.height===rh.height||(r.image.width=rh.width,r.image.height=rh.height,r.needsUpdate=!0);const s=r.generateMipmaps;r.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(r),r.generateMipmaps=s}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const ih=Bi(sh),nh=Bi(sh,null,null,{generateMipmaps:!0});let oh=null;class ah extends sh{static get type(){return"ViewportDepthTextureNode"}constructor(e=jc,t=null){null===oh&&(oh=new P),super(e,t,oh)}}const uh=Bi(ah);class lh extends Gs{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===lh.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===lh.DEPTH_BASE)null!==r&&(s=gh().assign(r));else if(t===lh.DEPTH)s=e.isPerspectiveCamera?ch(Al.z,ju,qu):dh(Al.z,ju,qu);else if(t===lh.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=hh(r,ju,qu);s=dh(e,ju,qu)}else s=r;else s=dh(Al.z,ju,qu);return s}}lh.DEPTH_BASE="depthBase",lh.DEPTH="depth",lh.LINEAR_DEPTH="linearDepth";const dh=(e,t,r)=>e.add(t).div(t.sub(r)),ch=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),hh=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),ph=(e,t,r)=>{t=t.max(1e-6).toVar();const s=Po(e.negate().div(t)),i=Po(r.div(t));return s.div(i)},gh=Bi(lh,lh.DEPTH_BASE),mh=Fi(lh,lh.DEPTH),fh=Bi(lh,lh.LINEAR_DEPTH),yh=fh(uh());mh.assign=e=>gh(e);const xh=Bi(class extends Gs{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}});class bh extends Gs{static get type(){return"ClippingNode"}constructor(e=bh.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===bh.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===bh.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return Ui((()=>{const r=Oi().toVar("distanceToPlane"),s=Oi().toVar("distanceToGradient"),i=Oi(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=Wu(t);Bc(n,(({i:t})=>{const n=e.element(t);r.assign(Al.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Ea(s.negate(),s,r))}))}const o=e.length;if(o>0){const t=Wu(e),n=Oi(1).toVar("intersectionClipOpacity");Bc(o,(({i:e})=>{const i=t.element(e);r.assign(Al.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Ea(s.negate(),s,r).oneMinus())})),i.mulAssign(n.oneMinus())}Tn.a.mulAssign(i),Tn.a.equal(0).discard()}))()}setupDefault(e,t){return Ui((()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=Wu(t);Bc(r,(({i:t})=>{const r=e.element(t);Al.dot(r.xyz).greaterThan(r.w).discard()}))}const s=e.length;if(s>0){const t=Wu(e),r=zi(!0).toVar("clipped");Bc(s,(({i:e})=>{const s=t.element(e);r.assign(Al.dot(s.xyz).greaterThan(s.w).and(r))})),r.discard()}}))()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),Ui((()=>{const s=Wu(e),i=xh(t.getClipDistance());Bc(r,(({i:e})=>{const t=s.element(e),r=Al.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)}))}))()}}bh.ALPHA_TO_COVERAGE="alphaToCoverage",bh.DEFAULT="default",bh.HARDWARE="hardware";const Th=Ui((([e])=>Go(to(1e4,ko(to(17,e.x).add(to(.1,e.y)))).mul(Jn(.1,qo(ko(to(13,e.y).add(e.x)))))))),_h=Ui((([e])=>Th($i(Th(e.xy),e.z)))),vh=Ui((([e])=>{const t=ua(Ko(Zo(e.xyz)),Ko(Jo(e.xyz))),r=Oi(1).div(Oi(.05).mul(t)).toVar("pixScale"),s=$i(Fo(Do(Po(r))),Fo(Vo(Po(r)))),i=$i(_h(Do(s.x.mul(e.xyz))),_h(Do(s.y.mul(e.xyz)))),n=Go(Po(r)),o=Jn(to(n.oneMinus(),i.x),to(n,i.y)),a=aa(n,n.oneMinus()),u=qi(o.mul(o).div(to(2,a).mul(eo(1,a))),o.sub(to(.5,a)).div(eo(1,a)),eo(1,eo(1,o).mul(eo(1,o)).div(to(2,a).mul(eo(1,a))))),l=o.lessThan(a.oneMinus()).select(o.lessThan(a).select(u.x,u.y),u.z);return Sa(l,1e-6,1)})).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class Nh extends I{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.positionNode=null,this.geometryNode=null,this.depthNode=null,this.shadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null}customProgramCacheKey(){return this.type+xs(this)}build(e){this.setup(e)}setupObserver(e){return new ps(e)}setup(e){e.context.setupNormal=()=>this.setupNormal(e),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.vertexNode||this.setupVertex(e);let i;e.stack.outputNode=s,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const n=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!==n&&e.stack.add(n);const o=Qi(s,Tn.a).max(0);if(i=this.setupOutput(e,o),Vn.assign(i),null!==this.outputNode&&(i=this.outputNode),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(i=e,null!==r&&(i=e.merge(r))):null!==r&&(i=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=Qi(t)),i=this.setupOutput(e,t)}e.stack.outputNode=i,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.samples;this.alphaToCoverage&&t>1?s=Ci(new bh(bh.ALPHA_TO_COVERAGE)):e.stack.add(Ci(new bh))}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.add(Ci(new bh(bh.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?ph(Al.z,ju,qu):dh(Al.z,ju,qu))}null!==s&&mh.assign(s).append()}setupPositionView(){return yl.mul(vl).xyz}setupModelViewProjection(){return Xu.mul(Al)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.vertex=e.removeStack(),pc}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Dc(t).append(),!0===t.isSkinnedMesh&&wc(t).append(),this.displacementMap){const e=sd("displacementMap","texture"),t=sd("displacementScale","float"),r=sd("displacementBias","float");vl.addAssign(Fl.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&Ac(t).append(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&Sc(t).append(),null!==this.positionNode&&vl.assign(this.positionNode.context({isPositionNodeInput:!0})),vl}setupDiffuseColor({object:e,geometry:t}){let r=this.colorNode?Qi(this.colorNode):Md;if(!0===this.vertexColors&&t.hasAttribute("color")&&(r=Qi(r.xyz.mul(Bu("color","vec3")),r.a)),e.instanceColor){r=bn("vec3","vInstanceColor").mul(r)}if(e.isBatchedMesh&&e._colorsTexture){r=bn("vec3","vBatchColor").mul(r)}Tn.assign(r);const s=this.opacityNode?Oi(this.opacityNode):Ud;if(Tn.a.assign(Tn.a.mul(s)),null!==this.alphaTestNode||this.alphaTest>0){const e=null!==this.alphaTestNode?Oi(this.alphaTestNode):wd;Tn.a.lessThanEqual(e).discard()}!0===this.alphaHash&&Tn.a.lessThan(vh(vl)).discard(),!1===this.transparent&&this.blending===L&&!1===this.alphaToCoverage&&Tn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?qi(0):Tn.rgb}setupNormal(){return this.normalNode?qi(this.normalNode):kd}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?sd("envMap","cubeTexture"):sd("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new zc(dc)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);if(s&&s.isLightingNode&&t.push(s),null!==this.aoNode||e.material.aoMap){const e=null!==this.aoNode?this.aoNode:cc;t.push(new Oc(e))}let i=this.lightsNode||e.lightsNode;return t.length>0&&(i=e.renderer.lighting.createNode([...i.getLights(),...t])),i}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 o=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e)||null;o=kc(n,t,r,s)}else null!==r&&(o=qi(null!==s?Na(o,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(_n.assign(qi(i||Fd)),o=o.add(_n)),o}setupFog(e,t){const r=e.fogNode;return r&&(Vn.assign(t),t=Qi(r)),t}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(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=I.prototype.toJSON.call(this,e),s=bs(this);r.inputNodes={};for(const{property:t,childNode:i}of s)r.inputNodes[t]=i.toJSON(e).uuid;function i(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=i(e.textures),s=i(e.images),n=i(e.nodes);t.length>0&&(r.textures=t),s.length>0&&(r.images=s),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,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.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.shadowPositionNode=e.shadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,super.copy(e)}}const Sh=new D;class Rh extends Nh{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(Sh),this.setValues(e)}}const Ah=new V;class Eh extends Nh{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(Ah),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Oi(this.offsetNode):ac,t=this.dashScaleNode?Oi(this.dashScaleNode):sc,r=this.dashSizeNode?Oi(this.dashSizeNode):ic,s=this.gapSizeNode?Oi(this.gapSizeNode):nc;On.assign(r),Gn.assign(s);const i=qa(Bu("lineDistance").mul(t));(e?i.add(e):i).mod(On.add(Gn)).greaterThan(On).discard()}}let Ch=null;class wh extends sh{static get type(){return"ViewportSharedTextureNode"}constructor(e=jc,t=null){null===Ch&&(Ch=new F),super(e,t,Ch)}updateReference(){return this}}const Mh=Bi(wh),Bh=new V;class Fh extends Nh{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(Bh),this.useColor=e.vertexColors,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=O,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,o=Ui((({start:e,end:t})=>{const r=Xu.element(2).element(2),s=Xu.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return Qi(Na(e.xyz,t.xyz,s),t.w)})).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=Ui((()=>{const e=Bu("instanceStart"),t=Bu("instanceEnd"),r=Qi(yl.mul(Qi(e,1))).toVar("start"),s=Qi(yl.mul(Qi(t,1))).toVar("end");if(i){const e=this.dashScaleNode?Oi(this.dashScaleNode):sc,t=this.offsetNode?Oi(this.offsetNode):ac,r=Bu("instanceDistanceStart"),s=Bu("instanceDistanceEnd");let i=_l.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),bn("float","lineDistance").assign(i)}n&&(bn("vec3","worldStart").assign(r.xyz),bn("vec3","worldEnd").assign(s.xyz));const a=Kc.z.div(Kc.w),u=Xu.element(2).element(3).equal(-1);Li(u,(()=>{Li(r.z.lessThan(0).and(s.z.greaterThan(0)),(()=>{s.assign(o({start:r,end:s}))})).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),(()=>{r.assign(o({start:s,end:r}))}))}));const l=Xu.mul(r),d=Xu.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(a)),p.assign(p.normalize());const g=Qi().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=Na(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),o=e.cross(n),a=bn("vec4","worldPos");a.assign(_l.y.lessThan(.5).select(r,s));const u=oc.mul(.5);a.addAssign(Qi(_l.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(a.addAssign(Qi(_l.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),a.addAssign(Qi(o.mul(u),0)),Li(_l.y.greaterThan(1).or(_l.y.lessThan(0)),(()=>{a.subAssign(Qi(o.mul(2).mul(u),0))}))),g.assign(Xu.mul(a));const l=qi().toVar();l.assign(_l.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=$i(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(a)),e.x.assign(e.x.div(a)),e.assign(_l.x.lessThan(0).select(e.negate(),e)),Li(_l.y.lessThan(0),(()=>{e.assign(e.sub(p))})).ElseIf(_l.y.greaterThan(1),(()=>{e.assign(e.add(p))})),e.assign(e.mul(oc)),e.assign(e.div(Kc.w)),g.assign(_l.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(Qi(e,0,0)))}return g}))();const a=Ui((({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),o=t.sub(e),a=i.dot(n),u=n.dot(o),l=i.dot(o),d=n.dot(n),c=o.dot(o).mul(d).sub(u.mul(u)),h=a.mul(u).sub(l.mul(d)).div(c).clamp(),p=a.add(u.mul(h)).div(d).clamp();return $i(h,p)}));if(this.colorNode=Ui((()=>{const e=Fu();if(i){const t=this.dashSizeNode?Oi(this.dashSizeNode):ic,r=this.gapSizeNode?Oi(this.gapSizeNode):nc;On.assign(t),Gn.assign(r);const s=bn("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(On.add(Gn)).greaterThan(On).discard()}const o=Oi(1).toVar("alpha");if(n){const e=bn("vec3","worldStart"),s=bn("vec3","worldEnd"),n=bn("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=a({p1:e,p2:s,p3:qi(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(oc);if(!i)if(r&&t.samples>1){const e=h.fwidth();o.assign(Ea(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.samples>1){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=Oi(s.fwidth()).toVar("dlen");Li(e.y.abs().greaterThan(1),(()=>{o.assign(Ea(i.oneMinus(),i.add(1),s).oneMinus())}))}else Li(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=Bu("instanceColorStart"),t=Bu("instanceColorEnd");u=_l.y.lessThan(.5).select(e,t).mul(Md)}else u=Md;return Qi(u,o)}))(),this.transparent){const e=this.opacityNode?Oi(this.opacityNode):Ud;this.outputNode=Qi(this.colorNode.rgb.mul(e).add(Mh().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 Uh=e=>Ci(e).mul(.5).add(.5),Ph=new k;class Ih extends Nh{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Ph),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Oi(this.opacityNode):Ud;Tn.assign(su(Qi(Uh(Ll),e),G))}}class Lh extends $s{static get type(){return"EquirectUVNode"}constructor(e=Rl){super("vec2"),this.dirNode=e}setup(){const e=this.dirNode,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 $i(t,r)}}const Dh=Bi(Lh);class Vh extends z{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 $(5,5,5),n=Dh(Rl),o=new Nh;o.colorNode=Vu(t,n,0),o.side=v,o.blending=O;const a=new W(i,o),u=new H;u.add(a),t.minFilter===U&&(t.minFilter=j);const l=new q(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,a.geometry.dispose(),a.material.dispose(),this}}const Oh=new WeakMap;class Gh extends $s{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Ql();const t=new X;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Fs.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===K||r===Y){if(Oh.has(e)){const t=Oh.get(e);zh(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Vh(r.height);s.fromEquirectangularTexture(t,e),zh(s.texture,e.mapping),this._cubeTexture=s.texture,Oh.set(e,s.texture),e.addEventListener("dispose",kh)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function kh(e){const t=e.target;t.removeEventListener("dispose",kh);const r=Oh.get(t);void 0!==r&&(Oh.delete(t),r.dispose())}function zh(e,t){t===K?e.mapping=S:t===Y&&(e.mapping=R)}const $h=Bi(Gh);class Wh extends Vc{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=$h(this.envNode)}}class Hh extends Vc{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Oi(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class jh{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class qh extends jh{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(Qi(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(Qi(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Tn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case J:s.rgb.assign(Na(s.rgb,s.rgb.mul(i.rgb),Dd.mul(Vd)));break;case Z:s.rgb.assign(Na(s.rgb,i.rgb,Dd.mul(Vd)));break;case Q:s.rgb.addAssign(i.rgb.mul(Dd.mul(Vd)));break;default:console.warn("THREE.BasicLightingModel: Unsupported .combine value:",t.combine)}}}const Xh=new ee;class Kh extends Nh{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Xh),this.setValues(e)}setupNormal(){return Pl}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Wh(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Hh(dc)),t}setupOutgoingLight(){return Tn.rgb}setupLightingModel(){return new qh}}const Yh=Ui((({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))})),Qh=Ui((e=>e.diffuseColor.mul(1/Math.PI))),Zh=Ui((({dotNH:e})=>Dn.mul(Oi(.5)).add(1).mul(Oi(1/Math.PI)).mul(e.pow(Dn)))),Jh=Ui((({lightDirection:e})=>{const t=e.add(El).normalize(),r=Ll.dot(t).clamp(),s=El.dot(t).clamp(),i=Yh({f0:In,f90:1,dotVH:s}),n=Oi(.25),o=Zh({dotNH:r});return i.mul(n).mul(o)}));class ep extends qh{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Ll.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(Qh({diffuseColor:Tn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(Jh({lightDirection:e})).mul(Dd))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Qh({diffuseColor:Tn}))),s.indirectDiffuse.mulAssign(t)}}const tp=new te;class rp extends Nh{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(tp),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Wh(t):null}setupLightingModel(){return new ep(!1)}}const sp=new re;class ip extends Nh{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(sp),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Wh(t):null}setupLightingModel(){return new ep}setupVariants(){const e=(this.shininessNode?Oi(this.shininessNode):Bd).max(1e-4);Dn.assign(e);const t=this.specularNode||Pd;In.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const np=Ui((e=>{if(!1===e.geometry.hasAttribute("normal"))return Oi(0);const t=Pl.dFdx().abs().max(Pl.dFdy().abs());return t.x.max(t.y).max(t.z)})),op=Ui((e=>{const{roughness:t}=e,r=np();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s})),ap=Ui((({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 ro(.5,i.add(n).max(No))})).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),up=Ui((({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:o,dotNL:a})=>{const u=a.mul(qi(e.mul(r),t.mul(s),o).length()),l=o.mul(qi(e.mul(i),t.mul(n),a).length());return ro(.5,u.add(l)).saturate()})).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"}]}),lp=Ui((({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"}]}),dp=Oi(1/Math.PI),cp=Ui((({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),o=qi(t.mul(s),e.mul(i),n.mul(r)),a=o.dot(o),u=n.div(a);return dp.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"}]}),hp=Ui((e=>{const{lightDirection:t,f0:r,f90:s,roughness:i,f:n,USE_IRIDESCENCE:o,USE_ANISOTROPY:a}=e,u=e.normalView||Ll,l=i.pow2(),d=t.add(El).normalize(),c=u.dot(t).clamp(),h=u.dot(El).clamp(),p=u.dot(d).clamp(),g=El.dot(d).clamp();let m,f,y=Yh({f0:r,f90:s,dotVH:g});if(Ri(o)&&(y=Cn.mix(y,n)),Ri(a)){const e=Un.dot(t),r=Un.dot(El),s=Un.dot(d),i=Pn.dot(t),n=Pn.dot(El),o=Pn.dot(d);m=up({alphaT:Bn,alphaB:l,dotTV:r,dotBV:n,dotTL:e,dotBL:i,dotNV:h,dotNL:c}),f=cp({alphaT:Bn,alphaB:l,dotNH:p,dotTH:s,dotBH:o})}else m=ap({alpha:l,dotNL:c,dotNV:h}),f=lp({alpha:l,dotNH:p});return y.mul(m).mul(f)})),pp=Ui((({roughness:e,dotNV:t})=>{const r=Qi(-1,-.0275,-.572,.022),s=Qi(1,.0425,1.04,-.04),i=e.mul(r).add(s),n=i.x.mul(i.x).min(t.mul(-9.28).exp2()).mul(i.x).add(i.y);return $i(-1.04,1.04).mul(n).add(i.zw)})).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),gp=Ui((e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=pp({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))})),mp=Ui((({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(qi(t).mul(n)).div(n.oneMinus())})).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),fp=Ui((({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Oi(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Oi(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)})).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),yp=Ui((({dotNV:e,dotNL:t})=>Oi(1).div(Oi(4).mul(t.add(e).sub(t.mul(e)))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),xp=Ui((({lightDirection:e})=>{const t=e.add(El).normalize(),r=Ll.dot(e).clamp(),s=Ll.dot(El).clamp(),i=Ll.dot(t).clamp(),n=fp({roughness:En,dotNH:i}),o=yp({dotNV:s,dotNL:r});return An.mul(n).mul(o)})),bp=Ui((({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=$i(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"}]}),Tp=Ui((({f:e})=>{const t=e.length();return ua(t.mul(t).add(e.z).div(t.add(1)),0)})).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),_p=Ui((({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(),o=i.div(n),a=r.greaterThan(0).select(o,ua(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return e.cross(t).mul(a)})).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),vp=Ui((({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:o,p3:a})=>{const u=n.sub(i).toVar(),l=a.sub(i).toVar(),d=u.cross(l),c=qi().toVar();return Li(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(rn(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(o.sub(r)).normalize().toVar(),m=d.mul(a.sub(r)).normalize().toVar(),f=qi(0).toVar();f.addAssign(_p({v1:h,v2:p})),f.addAssign(_p({v1:p,v2:g})),f.addAssign(_p({v1:g,v2:m})),f.addAssign(_p({v1:m,v2:h})),c.assign(qi(Tp({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"}]}),Np=Ui((({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),o=i.sub(t).toVar(),a=n.cross(o),u=qi().toVar();return Li(a.dot(e.sub(t)).greaterThanEqual(0),(()=>{const n=t.sub(e).normalize().toVar(),o=r.sub(e).normalize().toVar(),a=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=qi(0).toVar();d.addAssign(_p({v1:n,v2:o})),d.addAssign(_p({v1:o,v2:a})),d.addAssign(_p({v1:a,v2:l})),d.addAssign(_p({v1:l,v2:n})),u.assign(qi(Tp({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"}]}),Sp=1/6,Rp=e=>to(Sp,to(e,to(e,e.negate().add(3)).sub(3)).add(1)),Ap=e=>to(Sp,to(e,to(e,to(3,e).sub(6))).add(4)),Ep=e=>to(Sp,to(e,to(e,to(-3,e).add(3)).add(3)).add(1)),Cp=e=>to(Sp,fa(e,3)),wp=e=>Rp(e).add(Ap(e)),Mp=e=>Ep(e).add(Cp(e)),Bp=e=>Jn(-1,Ap(e).div(Rp(e).add(Ap(e)))),Fp=e=>Jn(1,Cp(e).div(Ep(e).add(Cp(e)))),Up=(e,t,r)=>{const s=e.uvNode,i=to(s,t.zw).add(.5),n=Do(i),o=Go(i),a=wp(o.x),u=Mp(o.x),l=Bp(o.x),d=Fp(o.x),c=Bp(o.y),h=Fp(o.y),p=$i(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=$i(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=$i(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=$i(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=wp(o.y).mul(Jn(a.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),x=Mp(o.y).mul(Jn(a.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(x)},Pp=Ui((([e,t=Oi(3)])=>{const r=$i(e.size(Gi(t))),s=$i(e.size(Gi(t.add(1)))),i=ro(1,r),n=ro(1,s),o=Up(e,Qi(i,r),Do(t)),a=Up(e,Qi(n,s),Vo(t));return Go(t).mix(o,a)})),Ip=Ui((([e,t,r,s,i])=>{const n=qi(Aa(t.negate(),Oo(e),ro(1,s))),o=qi(Ko(i[0].xyz),Ko(i[1].xyz),Ko(i[2].xyz));return Oo(n).mul(r.mul(o))})).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"}]}),Lp=Ui((([e,t])=>e.mul(Sa(t.mul(2).sub(2),0,1)))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),Dp=nh(),Vp=nh(),Op=Ui((([e,t,r],{material:s})=>{const i=(s.side===v?Dp:Vp).sample(e),n=Po(qc.x).mul(Lp(t,r));return Pp(i,n)})),Gp=Ui((([e,t,r])=>(Li(r.notEqual(0),(()=>{const s=Uo(t).negate().div(r);return Bo(s.negate().mul(e))})),qi(1)))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),kp=Ui((([e,t,r,s,i,n,o,a,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Qi().toVar(),f=qi().toVar();const i=d.sub(1).mul(g.mul(.025)),n=qi(d.sub(i),d,d.add(i));Bc({start:0,end:3},(({i:i})=>{const d=n.element(i),g=Ip(e,t,c,d,a),y=o.add(g),x=l.mul(u.mul(Qi(y,1))),b=$i(x.xy.div(x.w)).toVar();b.addAssign(1),b.divAssign(2),b.assign($i(b.x,b.y.oneMinus()));const T=Op(b,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Gp(Ko(g),h,p).element(i)))})),m.a.divAssign(3)}else{const i=Ip(e,t,c,d,a),n=o.add(i),g=l.mul(u.mul(Qi(n,1))),y=$i(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign($i(y.x,y.y.oneMinus())),m=Op(y,r,d),f=s.mul(Gp(Ko(i),h,p))}const y=f.rgb.mul(m.rgb),x=e.dot(t).clamp(),b=qi(gp({dotNV:x,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Qi(b.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())})),zp=rn(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),$p=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Wp=Ui((({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=Na(e,t,Ea(0,.03,s)),o=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();Li(o.lessThan(0),(()=>qi(1)));const a=o.sqrt(),u=$p(n,e),l=Yh({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Oi(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return qi(1).add(t).div(qi(1).sub(t))})(i.clamp(0,.9999)),g=$p(p,n.toVec3()),m=Yh({f0:g,f90:1,dotVH:a}),f=qi(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,a,2),x=qi(h).add(f),b=l.mul(m).clamp(1e-5,.9999),T=b.sqrt(),_=d.pow2().mul(m).div(qi(1).sub(b)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Bc({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=qi(54856e-17,44201e-17,52481e-17),i=qi(1681e3,1795300,2208400),n=qi(43278e5,93046e5,66121e5),o=Oi(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let a=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return a=qi(a.x.add(o),a.y,a.z).div(1.0685e-7),zp.mul(a)})(Oi(e).mul(y),Oi(e).mul(x)).mul(2);v.addAssign(N.mul(t))})),v.max(qi(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"}]}),Hp=Ui((({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.pow2(),n=La(r.lessThan(.25),Oi(-339.2).mul(i).add(Oi(161.4).mul(r)).sub(25.9),Oi(-8.48).mul(i).add(Oi(14.3).mul(r)).sub(9.95)),o=La(r.lessThan(.25),Oi(44).mul(i).sub(Oi(23.7).mul(r)).add(3.26),Oi(1.97).mul(i).sub(Oi(3.27).mul(r)).add(.72));return La(r.lessThan(.25),0,Oi(.1).mul(r).sub(.025)).add(n.mul(s).add(o).exp()).mul(1/Math.PI).saturate()})),jp=qi(.04),qp=Oi(1);class Xp extends jh{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}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=qi().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=qi().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=qi().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=qi().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=qi().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Ll.dot(El).clamp();this.iridescenceFresnel=Wp({outsideIOR:Oi(1),eta2:wn,cosTheta1:e,thinFilmThickness:Mn,baseF0:In}),this.iridescenceF0=mp({f:this.iridescenceFresnel,f90:1,dotVH:e})}if(!0===this.transmission){const t=Sl,r=Ju.sub(Sl).normalize(),s=Dl,i=e.context;i.backdrop=kp(s,r,vn,Tn,In,Ln,t,dl,Yu,Xu,zn,Wn,jn,Hn,this.dispersion?qn:null),i.backdropAlpha=$n,Tn.a.mulAssign(Na(1,i.backdrop.a,$n))}super.start(e)}computeMultiscattering(e,t,r){const s=Ll.dot(El).clamp(),i=pp({roughness:vn,dotNV:s}),n=(this.iridescenceF0?Cn.mix(In,this.iridescenceF0):In).mul(i.x).add(r.mul(i.y)),o=i.x.add(i.y).oneMinus(),a=In.add(In.oneMinus().mul(.047619)),u=n.mul(a).div(o.mul(a).oneMinus());e.addAssign(n),t.addAssign(u.mul(o))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Ll.dot(e).clamp().mul(t);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(s.mul(xp({lightDirection:e}))),!0===this.clearcoat){const r=Vl.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(hp({lightDirection:e,f0:jp,f90:qp,roughness:Rn,normalView:Vl})))}r.directDiffuse.addAssign(s.mul(Qh({diffuseColor:Tn.rgb}))),r.directSpecular.addAssign(s.mul(hp({lightDirection:e,f0:In,f90:1,roughness:vn,iridescence:this.iridescence,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:o}){const a=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Ll,h=El,p=Al.toVar(),g=bp({N:c,V:h,roughness:vn}),m=n.sample(g).toVar(),f=o.sample(g).toVar(),y=rn(qi(m.x,0,m.y),qi(0,1,0),qi(m.z,0,m.w)).toVar(),x=In.mul(f.x).add(In.oneMinus().mul(f.y)).toVar();i.directSpecular.addAssign(e.mul(x).mul(vp({N:c,V:h,P:p,mInv:y,p0:a,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Tn).mul(vp({N:c,V:h,P:p,mInv:rn(1,0,0,0,1,0,0,0,1),p0:a,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;r.indirectDiffuse.addAssign(t.mul(Qh({diffuseColor:Tn})))}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(An,Hp({normal:Ll,viewDir:El,roughness:En}))),!0===this.clearcoat){const e=Vl.dot(El).clamp(),t=gp({dotNV:e,specularColor:jp,specularF90:qp,roughness:Rn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=qi().toVar("singleScattering"),n=qi().toVar("multiScattering"),o=r.mul(1/Math.PI);this.computeMultiscattering(i,n,Ln);const a=i.add(n),u=Tn.mul(a.r.max(a.g).max(a.b).oneMinus());s.indirectSpecular.addAssign(t.mul(i)),s.indirectSpecular.addAssign(n.mul(o)),s.indirectDiffuse.addAssign(u.mul(o))}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=Ll.dot(El).clamp().add(t),i=vn.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=Vl.dot(El).clamp(),r=Yh({dotVH:e,f0:jp,f90:qp}),s=t.mul(Sn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Sn));t.assign(s)}if(!0===this.sheen){const e=An.r.max(An.g).max(An.b).mul(.157).oneMinus(),r=t.mul(e).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);t.assign(r)}}}const Kp=Oi(1),Yp=Oi(-2),Qp=Oi(.8),Zp=Oi(-1),Jp=Oi(.4),eg=Oi(2),tg=Oi(.305),rg=Oi(3),sg=Oi(.21),ig=Oi(4),ng=Oi(4),og=Oi(16),ag=Ui((([e])=>{const t=qi(qo(e)).toVar(),r=Oi(-1).toVar();return Li(t.x.greaterThan(t.z),(()=>{Li(t.x.greaterThan(t.y),(()=>{r.assign(La(e.x.greaterThan(0),0,3))})).Else((()=>{r.assign(La(e.y.greaterThan(0),1,4))}))})).Else((()=>{Li(t.z.greaterThan(t.y),(()=>{r.assign(La(e.z.greaterThan(0),2,5))})).Else((()=>{r.assign(La(e.y.greaterThan(0),1,4))}))})),r})).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),ug=Ui((([e,t])=>{const r=$i().toVar();return Li(t.equal(0),(()=>{r.assign($i(e.z,e.y).div(qo(e.x)))})).ElseIf(t.equal(1),(()=>{r.assign($i(e.x.negate(),e.z.negate()).div(qo(e.y)))})).ElseIf(t.equal(2),(()=>{r.assign($i(e.x.negate(),e.y).div(qo(e.z)))})).ElseIf(t.equal(3),(()=>{r.assign($i(e.z.negate(),e.y).div(qo(e.x)))})).ElseIf(t.equal(4),(()=>{r.assign($i(e.x.negate(),e.z).div(qo(e.y)))})).Else((()=>{r.assign($i(e.x,e.y).div(qo(e.z)))})),to(.5,r.add(1))})).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),lg=Ui((([e])=>{const t=Oi(0).toVar();return Li(e.greaterThanEqual(Qp),(()=>{t.assign(Kp.sub(e).mul(Zp.sub(Yp)).div(Kp.sub(Qp)).add(Yp))})).ElseIf(e.greaterThanEqual(Jp),(()=>{t.assign(Qp.sub(e).mul(eg.sub(Zp)).div(Qp.sub(Jp)).add(Zp))})).ElseIf(e.greaterThanEqual(tg),(()=>{t.assign(Jp.sub(e).mul(rg.sub(eg)).div(Jp.sub(tg)).add(eg))})).ElseIf(e.greaterThanEqual(sg),(()=>{t.assign(tg.sub(e).mul(ig.sub(rg)).div(tg.sub(sg)).add(rg))})).Else((()=>{t.assign(Oi(-2).mul(Po(to(1.16,e))))})),t})).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),dg=Ui((([e,t])=>{const r=e.toVar();r.assign(to(2,r).sub(1));const s=qi(r,1).toVar();return Li(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"}]}),cg=Ui((([e,t,r,s,i,n])=>{const o=Oi(r),a=qi(t),u=Sa(lg(o),Yp,n),l=Go(u),d=Do(u),c=qi(hg(e,a,d,s,i,n)).toVar();return Li(l.notEqual(0),(()=>{const t=qi(hg(e,a,d.add(1),s,i,n)).toVar();c.assign(Na(c,t,l))})),c})),hg=Ui((([e,t,r,s,i,n])=>{const o=Oi(r).toVar(),a=qi(t),u=Oi(ag(a)).toVar(),l=Oi(ua(ng.sub(o),0)).toVar();o.assign(ua(o,ng));const d=Oi(Fo(o)).toVar(),c=$i(ug(a,u).mul(d.sub(2)).add(1)).toVar();return Li(u.greaterThan(2),(()=>{c.y.addAssign(d),u.subAssign(3)})),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(to(3,og))),c.y.addAssign(to(4,Fo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad($i(),$i())})),pg=Ui((({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:a})=>{const u=zo(s),l=r.mul(u).add(i.cross(r).mul(ko(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return hg(e,l,t,n,o,a)})),gg=Ui((({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:o,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=qi(La(t,r,ma(r,s))).toVar();Li(Eo(h.equals(qi(0))),(()=>{h.assign(qi(s.z,0,s.x.negate()))})),h.assign(Oo(h));const p=qi().toVar();return p.addAssign(i.element(0).mul(pg({theta:0,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Bc({start:Gi(1),end:e},(({i:e})=>{Li(e.greaterThanEqual(n),(()=>{Fc()}));const t=Oi(o.mul(Oi(e))).toVar();p.addAssign(i.element(e).mul(pg({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(pg({theta:t,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))})),Qi(p,1)})),mg=[.125,.215,.35,.446,.526,.582],fg=20,yg=new ae(-1,1,1,-1,0,1),xg=new ue(90,1),bg=new e;let Tg=null,_g=0,vg=0;const Ng=(1+Math.sqrt(5))/2,Sg=1/Ng,Rg=[new r(-Ng,Sg,0),new r(Ng,Sg,0),new r(-Sg,0,Ng),new r(Sg,0,Ng),new r(0,Ng,-Sg),new r(0,Ng,Sg),new r(-1,1,-1),new r(1,1,-1),new r(-1,1,1),new r(1,1,1)],Ag=new r,Eg=new WeakMap,Cg=[3,1,5,0,4,2],wg=dg(Fu(),Bu("faceIndex")).normalize(),Mg=qi(wg.x,wg.y,wg.z);class Bg{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=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:o=Ag,renderTarget:a=null}=i;if(this._setSize(n),!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Try using .fromSceneAsync() instead.");const n=a||this._allocateTargets();return i.renderTarget=n,this.fromSceneAsync(e,t,r,s,i),n}Tg=this._renderer.getRenderTarget(),_g=this._renderer.getActiveCubeFace(),vg=this._renderer.getActiveMipmapLevel();const u=a||this._allocateTargets();return u.depthBuffer=!0,this._sceneToCubeUV(e,r,s,u,o),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!1===this._hasInitialized&&await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using .fromEquirectangularAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ig(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Lg(),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===S||e.mapping===R?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._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(Tg,_g,vg),e.scissorTest=!1,Ug(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),Tg=this._renderer.getRenderTarget(),_g=this._renderer.getActiveCubeFace(),vg=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTargets();return this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,s={magFilter:j,minFilter:j,generateMipmaps:!1,type:le,format:de,colorSpace:ce},i=Fg(e,t,s);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Fg(e,t,s);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas,lodMeshes:this._lodMeshes}=function(e){const t=[],r=[],s=[],i=[];let n=e;const o=e-4+1+mg.length;for(let a=0;a<o;a++){const o=Math.pow(2,n);r.push(o);let u=1/o;a>e-4?u=mg[a-e+4-1]:0===a&&(u=0),s.push(u);const l=1/(o-2),d=-l,c=1+l,h=[d,d,c,d,c,c,d,d,c,c,d,c],p=6,g=6,m=3,f=2,y=1,x=new Float32Array(m*g*p),b=new Float32Array(f*g*p),T=new Float32Array(y*g*p);for(let e=0;e<p;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=Cg[e];x.set(s,m*g*i),b.set(h,f*g*i);const n=[i,i,i,i,i,i];T.set(n,y*g*i)}const _=new se;_.setAttribute("position",new ie(x,m)),_.setAttribute("uv",new ie(b,f)),_.setAttribute("faceIndex",new ie(T,y)),t.push(_),i.push(new W(_,null)),n>4&&n--}return{lodPlanes:t,sizeLods:r,sigmas:s,lodMeshes:i}}(i)),this._blurMaterial=function(e,t,s){const i=Wu(new Array(fg).fill(0)),n=fn(new r(0,1,0)),o=fn(0),a=Oi(fg),u=fn(0),l=fn(1),d=Vu(null),c=fn(0),h=Oi(1/t),p=Oi(1/s),g=Oi(e),m={n:a,latitudinal:u,weights:i,poleAxis:n,outputDirection:Mg,dTheta:o,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=Pg("blur");return f.fragmentNode=gg({...m,latitudinal:u.equal(1)}),Eg.set(f,m),f}(i,e,t)}return i}async _compileMaterial(e){const t=new W(this._lodPlanes[0],e);await this._renderer.compile(t,yg)}_sceneToCubeUV(e,t,r,s,i){const n=xg;n.near=t,n.far=r;const o=[1,1,1,1,-1,1],a=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(bg),u.autoClear=!1;let d=this._backgroundBox;if(null===d){const e=new ee({name:"PMREM.Background",side:v,depthWrite:!1,depthTest:!1});d=new W(new $,e)}let c=!1;const h=e.background;h?h.isColor&&(d.material.color.copy(h),e.background=null,c=!0):(d.material.color.copy(bg),c=!0),u.setRenderTarget(s),u.clear(),c&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,o[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+a[t],i.y,i.z)):1===r?(n.up.set(0,0,o[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+a[t],i.z)):(n.up.set(0,o[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+a[t]));const l=this._cubeSize;Ug(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=h}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===S||e.mapping===R;s?null===this._cubemapMaterial&&(this._cubemapMaterial=Ig(e)):null===this._equirectMaterial&&(this._equirectMaterial=Lg(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const o=this._cubeSize;Ug(t,0,0,3*o,2*o),r.setRenderTarget(t),r.render(n,yg)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodPlanes.length;for(let t=1;t<s;t++){const r=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),i=Rg[(s-t-1)%Rg.length];this._blur(e,t-1,t,r,i)}t.autoClear=r}_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,o){const a=this._renderer,u=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&console.error("blur direction must be either latitudinal or longitudinal!");const l=this._lodMeshes[s];l.material=u;const d=Eg.get(u),c=this._sizeLods[r]-1,h=isFinite(i)?Math.PI/(2*c):2*Math.PI/39,p=i/h,g=isFinite(i)?1+Math.floor(3*p):fg;g>fg&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${g} samples when the maximum is set to 20`);const m=[];let f=0;for(let e=0;e<fg;++e){const t=e/p,r=Math.exp(-t*t/2);m.push(r),0===e?f+=r:e<g&&(f+=2*r)}for(let e=0;e<m.length;e++)m[e]=m[e]/f;e.texture.frame=(e.texture.frame||0)+1,d.envMap.value=e.texture,d.samples.value=g,d.weights.array=m,d.latitudinal.value="latitudinal"===n?1:0,o&&(d.poleAxis.value=o);const{_lodMax:y}=this;d.dTheta.value=h,d.mipInt.value=y-r;const x=this._sizeLods[s];Ug(t,3*x*(s>y-4?s-y+4:0),4*(this._cubeSize-x),3*x,2*x),a.setRenderTarget(t),a.render(l,yg)}}function Fg(e,t,r){const s=new ne(e,t,r);return s.texture.mapping=oe,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function Ug(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function Pg(e){const t=new Nh;return t.depthTest=!1,t.depthWrite=!1,t.blending=O,t.name=`PMREM_${e}`,t}function Ig(e){const t=Pg("cubemap");return t.fragmentNode=Ql(e,Mg),t}function Lg(e){const t=Pg("equirect");return t.fragmentNode=Vu(e,Dh(Mg),0),t}const Dg=new WeakMap;function Vg(e,t,r){const s=function(e){let t=Dg.get(e);void 0===t&&(t=new WeakMap,Dg.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 Og extends $s{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new he;s.isRenderTargetTexture=!0,this._texture=Vu(s),this._width=fn(0),this._height=fn(0),this._maxMip=fn(0),this.updateBeforeType=Fs.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:Vg(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new Bg(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this)),t=Hl.mul(qi(t.x,t.y.negate(),t.z));let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),cg(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const Gg=Bi(Og),kg=new WeakMap;class zg extends Vc{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const e=r.isTextureNode?r.value:t[r.property];let s=kg.get(e);void 0===s&&(s=Gg(e),kg.set(e,s)),r=s}const s=!0===t.useAnisotropy||t.anisotropy>0?bd:Ll,i=r.context($g(vn,s)).mul(Wl),n=r.context(Wg(Dl)).mul(Math.PI).mul(Wl),o=bu(i),a=bu(n);e.context.radiance.addAssign(o),e.context.iblIrradiance.addAssign(a);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context($g(Rn,Vl)).mul(Wl),t=bu(e);u.addAssign(t)}}}const $g=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=El.negate().reflect(t),r=e.mul(e).mix(r,t).normalize(),r=r.transformDirection(Yu)),r),getTextureLevel:()=>e}},Wg=e=>({getUV:()=>e,getTextureLevel:()=>Oi(1)}),Hg=new pe;class jg extends Nh{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(Hg),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new zg(t):null}setupLightingModel(){return new Xp}setupSpecular(){const e=Na(qi(.04),Tn.rgb,Nn);In.assign(e),Ln.assign(1)}setupVariants(){const e=this.metalnessNode?Oi(this.metalnessNode):Gd;Nn.assign(e);let t=this.roughnessNode?Oi(this.roughnessNode):Od;t=op({roughness:t}),vn.assign(t),this.setupSpecular(),Tn.assign(Qi(Tn.rgb.mul(e.oneMinus()),Tn.a))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const qg=new ge;class Xg extends jg{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(qg),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?Oi(this.iorNode):ec;zn.assign(e),In.assign(Na(aa(ya(zn.sub(1).div(zn.add(1))).mul(Ld),qi(1)).mul(Id),Tn.rgb,Nn)),Ln.assign(Na(Id,1,Nn))}setupLightingModel(){return new Xp(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Oi(this.clearcoatNode):zd,t=this.clearcoatRoughnessNode?Oi(this.clearcoatRoughnessNode):$d;Sn.assign(e),Rn.assign(op({roughness:t}))}if(this.useSheen){const e=this.sheenNode?qi(this.sheenNode):jd,t=this.sheenRoughnessNode?Oi(this.sheenRoughnessNode):qd;An.assign(e),En.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Oi(this.iridescenceNode):Kd,t=this.iridescenceIORNode?Oi(this.iridescenceIORNode):Yd,r=this.iridescenceThicknessNode?Oi(this.iridescenceThicknessNode):Qd;Cn.assign(e),wn.assign(t),Mn.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?$i(this.anisotropyNode):Xd).toVar();Fn.assign(e.length()),Li(Fn.equal(0),(()=>{e.assign($i(1,0))})).Else((()=>{e.divAssign($i(Fn)),Fn.assign(Fn.saturate())})),Bn.assign(Fn.pow2().mix(vn.pow2(),1)),Un.assign(yd[0].mul(e.x).add(yd[1].mul(e.y))),Pn.assign(yd[1].mul(e.x).sub(yd[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Oi(this.transmissionNode):Zd,t=this.thicknessNode?Oi(this.thicknessNode):Jd,r=this.attenuationDistanceNode?Oi(this.attenuationDistanceNode):tc,s=this.attenuationColorNode?qi(this.attenuationColorNode):rc;if($n.assign(e),Wn.assign(t),Hn.assign(r),jn.assign(s),this.useDispersion){const e=this.dispersionNode?Oi(this.dispersionNode):lc;qn.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?qi(this.clearcoatNormalNode):Wd}setup(e){e.context.setupClearcoatNormal=()=>this.setupClearcoatNormal(e),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 Kg extends Xp{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,o=!1){super(e,t,r,s,i,n),this.useSSS=o}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:o,thicknessAmbientNode:a,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(Ll.mul(o)).normalize(),h=Oi(El.dot(c.negate()).saturate().pow(l).mul(d)),p=qi(h.add(a).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class Yg extends Xg{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Oi(.1),this.thicknessAmbientNode=Oi(0),this.thicknessAttenuationNode=Oi(.1),this.thicknessPowerNode=Oi(2),this.thicknessScaleNode=Oi(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new Kg(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 Qg=Ui((({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=$i(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=sd("gradientMap","texture").context({getUV:()=>i});return qi(e.r)}{const e=i.fwidth().mul(.5);return Na(qi(.7),qi(1),Ea(Oi(.7).sub(e.x),Oi(.7).add(e.x),i.x))}}));class Zg extends jh{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=Qg({normal:Bl,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(Qh({diffuseColor:Tn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Qh({diffuseColor:Tn}))),s.indirectDiffuse.mulAssign(t)}}const Jg=new me;class em extends Nh{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Jg),this.setValues(e)}setupLightingModel(){return new Zg}}class tm extends $s{static get type(){return"MatcapUVNode"}constructor(){super("vec2")}setup(){const e=qi(El.z,0,El.x.negate()).normalize(),t=El.cross(e);return $i(e.dot(Ll),t.dot(Ll)).mul(.495).add(.5)}}const rm=Fi(tm),sm=new fe;class im extends Nh{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(sm),this.setValues(e)}setupVariants(e){const t=rm;let r;r=e.material.matcap?sd("matcap","texture").context({getUV:()=>t}):qi(Na(.2,.8,t.y)),Tn.rgb.mulAssign(r.rgb)}}class nm extends $s{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return tn(e,s,s.negate(),e).mul(r)}{const e=t,s=sn(Qi(1,0,0,0),Qi(0,zo(e.x),ko(e.x).negate(),0),Qi(0,ko(e.x),zo(e.x),0),Qi(0,0,0,1)),i=sn(Qi(zo(e.y),0,ko(e.y),0),Qi(0,1,0,0),Qi(ko(e.y).negate(),0,zo(e.y),0),Qi(0,0,0,1)),n=sn(Qi(zo(e.z),ko(e.z).negate(),0,0),Qi(ko(e.z),zo(e.z),0,0),Qi(0,0,1,0),Qi(0,0,0,1));return s.mul(i).mul(n).mul(Qi(r,1)).xyz}}}const om=Bi(nm),am=new ye;class um extends Nh{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(am),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,s=this.sizeAttenuation,{positionNode:i,rotationNode:n,scaleNode:o}=this,a=yl.mul(qi(i||0));let u=$i(dl[0].xyz.length(),dl[1].xyz.length());if(null!==o&&(u=u.mul($i(o))),!1===s)if(r.isPerspectiveCamera)u=u.mul(a.z.negate());else{const e=Oi(2).div(Xu.element(1).element(1));u=u.mul(e.mul(2))}let l=_l.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>Ci(new nu(e,t,r)))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Oi(n||Hd),c=om(l,d);return Qi(a.xy.add(c),a.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const lm=new xe;class dm extends um{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(lm),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return yl.mul(qi(e||vl)).xyz}setupVertex(e){const t=super.setupVertex(e);if(!0!==e.material.isNodeMaterial)return t;const{rotationNode:r,scaleNode:s,sizeNode:i}=this,n=_l.xy.toVar(),o=Kc.z.div(Kc.w);if(r&&r.isNode){const e=Oi(r);n.assign(om(n,e))}let a=null!==i?$i(i):uc;return!0===this.sizeAttenuation&&(a=a.mul(a.div(Al.z.negate()))),s&&s.isNode&&(a=a.mul($i(s))),n.mulAssign(a.mul(2)),n.assign(n.div(Kc.z)),n.y.assign(n.y.mul(o)),n.assign(n.mul(t.w)),t.addAssign(Qi(n,0,0)),t}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}class cm extends jh{constructor(){super(),this.shadowNode=Oi(1).toVar("shadowMask")}direct({shadowMask:e}){this.shadowNode.mulAssign(e)}finish(e){Tn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Tn.rgb)}}const hm=new be;class pm extends Nh{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.setDefaultValues(hm),this.setValues(e)}setupLightingModel(){return new cm}}const gm=xn("vec3"),mm=xn("vec3"),fm=xn("vec3");class ym extends jh{constructor(){super()}start(e){const{material:t,context:r}=e,s=xn("vec3"),i=xn("vec3");Li(Ju.sub(Sl).length().greaterThan(gl.mul(2)),(()=>{s.assign(Ju),i.assign(Sl)})).Else((()=>{s.assign(Sl),i.assign(Ju)}));const n=i.sub(s),o=fn("int").onRenderUpdate((({material:e})=>e.steps)),a=n.length().div(o).toVar(),u=n.normalize().toVar(),l=Oi(0).toVar(),d=qi(1).toVar();t.offsetNode&&l.addAssign(t.offsetNode.mul(a)),Bc(o,(()=>{const i=s.add(u.mul(l)),n=Yu.mul(Qi(i,1)).xyz;let o;null!==t.depthNode&&(mm.assign(fh(ch(n.z,ju,qu))),r.sceneDepthNode=fh(t.depthNode).toVar()),r.positionWorld=i,r.shadowPositionWorld=i,r.positionView=n,gm.assign(0),t.scatteringNode&&(o=t.scatteringNode({positionRay:i})),super.start(e),o&&gm.mulAssign(o);const c=gm.mul(.01).negate().mul(a).exp();d.mulAssign(c),l.addAssign(a)})),fm.addAssign(d.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?Li(r.greaterThanEqual(mm),(()=>{gm.addAssign(e)})):gm.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),o=t.sub(r).sub(s),a=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(Np({P:l,p0:n,p1:o,p2:a,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(fm)}}class xm extends Nh{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=v,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new ym}}class bm{constructor(e,t){this.nodes=e,this.info=t,this._context=self,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,null!==this._animationLoop&&this._animationLoop(t,r)};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 Tm{constructor(){this.weakMap=new WeakMap}get(e){let t=this.weakMap;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.weakMap;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.weakMap;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 _m=0;class vm{constructor(e,t,r,s,i,n,o,a,u,l){this.id=_m++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=o,this.lightsNode=a,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=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.material.addEventListener("dispose",this.onMaterialDispose)}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)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set;for(const i of e){const e=i.node&&i.node.attribute?i.node.attribute:t.getAttribute(i.name);if(void 0===e)continue;r.push(e);const n=e.isInterleavedBufferAttribute?e.data:e;s.add(n)}return this.attributes=r,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}),o=this.getIndex(),a=null!==o,u=r.isInstancedBufferGeometry?r.instanceCount:e.count>1?e.count:1;if(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;a?p=o.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}=this;let r=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 s=t[e];let i;if(null!==s){const e=typeof s;"number"===e?i=0!==s?"1":"0":"object"===e?(i="{",s.isTexture&&(i+=s.mapping),i+="}"):i=String(s)}else i=String(s);r+=i+","}return r+=this.clippingContextCacheKey+",",e.geometry&&(r+=this.getGeometryCacheKey()),e.skeleton&&(r+=e.skeleton.bones.length+","),e.isBatchedMesh&&(r+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(r+=e._colorsTexture.uuid+",")),e.count>1&&(r+=e.uuid+","),r+=e.receiveShadow+",",ms(r)}get needsGeometryUpdate(){return this.geometry.id!==this.object.geometry.id}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=ys(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=ys(e,1)),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const Nm=[];class Sm{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,o,a){const u=this.getChainMap(a);Nm[0]=e,Nm[1]=t,Nm[2]=n,Nm[3]=i;let l=u.get(Nm);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,o,a),u.set(Nm,l)):(l.updateClipping(o),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,o,a)):l.version=t.version)),Nm.length=0,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new Tm)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,o,a,u,l,d){const c=this.getChainMap(d),h=new vm(e,t,r,s,i,n,o,a,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.delete(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class Rm{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 Am=1,Em=2,Cm=3,wm=4,Mm=16;class Bm extends Rm{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return void 0!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Am?this.backend.createAttribute(e):t===Em?this.backend.createIndexAttribute(e):t===Cm?this.backend.createStorageAttribute(e):t===wm&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===f)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Fm(e){return null!==e.index?e.index.version:e.attributes.position.version}function Um(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(Te(t)?_e:ve)(t,1);return i.version=Fm(e),i}class Pm extends Rm{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}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)};t.addEventListener("dispose",r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Cm):this.updateAttribute(e,Am);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Em);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,wm)}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}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=Um(t),e.set(t,r)):r.version!==Fm(t)&&(this.attributes.delete(r),r=Um(t),e.set(t,r)),s=r}return s}}class Im{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):console.error("THREE.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 Lm{constructor(e){this.cacheKey=e,this.usedTimes=0}}class Dm extends Lm{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class Vm extends Lm{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let Om=0;class Gm{constructor(e,t,r,s=null,i=null){this.id=Om++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class km extends Rm{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 o=this.programs.compute.get(n.computeShader);void 0===o&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),o=new Gm(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,o),r.createProgram(o));const a=this._getComputeCacheKey(e,o);let u=this.caches.get(a);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,o,a,t)),u.usedTimes++,o.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(),o=e.material?e.material.name:"";let a=this.programs.vertex.get(n.vertexShader);void 0===a&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),a=new Gm(n.vertexShader,"vertex",o),this.programs.vertex.set(n.vertexShader,a),r.createProgram(a));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new Gm(n.fragmentShader,"fragment",o),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,a,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,a,u,l,t)):e.pipeline=d,d.usedTimes++,a.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 Vm(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 Dm(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 zm extends Rm{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))}_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.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?wm:Cm;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,o=0;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!1===this.nodes.updateGroup(t))continue}if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?wm:Cm;this.attributes.update(e,r)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=this.textures.get(t.texture);t.needsBindingsUpdate(e.generation)&&(s=!0);const a=t.update(),u=t.texture;a&&this.textures.updateTexture(u);const l=r.get(u);if(void 0!==l.externalTexture||e.isDefaultTexture?i=!1:(n=10*n+u.id,o+=u.version),!0===r.isWebGPUBackend&&void 0===l.texture&&void 0===l.externalTexture&&(console.error("Bindings._update: binding should be available:",t,a,u,t.textureNode.value,s),this.textures.updateTexture(u),s=!0),!0===u.isStorageTexture){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}}!0===s&&this.backend.updateBindings(e,t,i?n:0,o)}}function $m(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function Wm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function Hm(e){return(e.transmission>0||e.transmissionNode)&&e.side===Ne&&!1===e.forceSinglePass}class jm{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,o){let a=this.renderItems[this.renderItemsIndex];return void 0===a?(a={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:o},this.renderItems[this.renderItemsIndex]=a):(a.id=e.id,a.object=e,a.geometry=t,a.material=r,a.groupOrder=s,a.renderOrder=e.renderOrder,a.z=i,a.group=n,a.clippingContext=o),this.renderItemsIndex++,a}push(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0?(Hm(r)&&this.transparentDoublePass.push(a),this.transparent.push(a)):this.opaque.push(a)}unshift(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===r.transparent||r.transmission>0?(Hm(r)&&this.transparentDoublePass.unshift(a),this.transparent.unshift(a)):this.opaque.unshift(a)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||$m),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||Wm),this.transparent.length>1&&this.transparent.sort(t||Wm)}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 qm=[];class Xm{constructor(e){this.lighting=e,this.lists=new Tm}get(e,t){const r=this.lists;qm[0]=e,qm[1]=t;let s=r.get(qm);return void 0===s&&(s=new jm(this.lighting,e,t),r.set(qm,s)),qm.length=0,s}dispose(){this.lists=new Tm}}let Km=0;class Ym{constructor(){this.id=Km++,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.isRenderContext=!0}getCacheKey(){return Qm(this)}}function Qm(e){const{textures:t,activeCubeFace:r}=e,s=[r];for(const e of t)s.push(e.id);return fs(s)}const Zm=[],Jm=new H,ef=new Se;class tf{constructor(){this.chainMaps={}}get(e,t,r=null){let s;if(Zm[0]=e,Zm[1]=t,null===r)s="default";else{const e=r.texture.format;s=`${r.textures.length}:${e}:${r.samples}:${r.depthBuffer}:${r.stencilBuffer}`}const i=this._getChainMap(s);let n=i.get(Zm);return void 0===n&&(n=new Ym,i.set(Zm,n)),Zm.length=0,null!==r&&(n.sampleCount=0===r.samples?1:r.samples),n}getForClear(e=null){return this.get(Jm,ef,e)}_getChainMap(e){return this.chainMaps[e]||(this.chainMaps[e]=new Tm)}dispose(){this.chainMaps={}}}const rf=new r;class sf extends Rm{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,o=this.getSize(n[0]),a=o.width>>t,u=o.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 P,l.format=e.stencilBuffer?Re:Ae,l.type=e.stencilBuffer?Ee:b,l.image.width=a,l.image.height=u,i[t]=l),r.width===o.width&&o.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=a,l.image.height=u)),r.width=o.width,r.height=o.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)}if(!0!==r.initialized){r.initialized=!0;const t=()=>{e.removeEventListener("dispose",t);for(let e=0;e<n.length;e++)this._destroyTexture(n[e]);l&&this._destroyTexture(l),this.delete(e)};e.addEventListener("dispose",t)}}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.destroySampler(e),i.destroyTexture(e)),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ce}const{width:n,height:o,depth:a}=this.getSize(e);if(t.width=n,t.height=o,t.depth=a,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,o):1,s||!0===e.isStorageTexture)i.createSampler(e),i.createTexture(e,t),r.generation=e.version;else{if(!0!==r.initialized&&i.createSampler(e),e.version>0){const s=e.image;if(void 0===s)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)console.warn("THREE.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),t.needsMipmaps&&0===e.mipmaps.length&&i.generateMipmaps(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version}if(!0!==r.initialized){r.initialized=!0,r.generation=e.version,this.info.memory.textures++;const t=()=>{e.removeEventListener("dispose",t),this._destroyTexture(e),this.info.memory.textures--};e.addEventListener("dispose",t)}r.version=e.version}getSize(e,t=rf){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),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.isCompressedTexture?e.mipmaps?e.mipmaps.length:1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return this.isEnvironmentTexture(e)||!0===e.isCompressedTexture||e.generateMipmaps}isEnvironmentTexture(e){const t=e.mapping;return t===K||t===Y||t===S||t===R}_destroyTexture(e){this.backend.destroySampler(e),this.backend.destroyTexture(e),this.delete(e)}}class nf 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 of extends yn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}class af extends Gs{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this.isStackNode=!0}getNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.outputNode?this.outputNode.getMemberType(e,t):"void"}add(e){return this.nodes.push(e),this}If(e,t){const r=new Ei(t);return this._currentCond=La(e,r),this.add(this._currentCond)}ElseIf(e,t){const r=new Ei(t),s=La(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Ei(e),this}build(e,...t){const r=Ii();Pi(this);for(const t of this.nodes)t.build(e,"void");return Pi(r),this.outputNode?this.outputNode.build(e,...t):super.build(e,...t)}else(...e){return console.warn("TSL.StackNode: .else() has been renamed to .Else()."),this.Else(...e)}elseif(...e){return console.warn("TSL.StackNode: .elseif() has been renamed to .ElseIf()."),this.ElseIf(...e)}}const uf=Bi(af);class lf extends Gs{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(){let e=0;for(const t of this.membersLayout)e+=Ss(t.type);return e}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.addInclude(this)}generate(e){return this.getNodeType(e)}}class df extends Gs{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structLayoutNode=e,this.values=t,this.isStructNode=!0}getNodeType(e){return this.structLayoutNode.getNodeType(e)}getMemberType(e,t){return this.structLayoutNode.getMemberType(e,t)}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structLayoutNode.membersLayout,this.values)}`,this),t.name}}class cf extends Gs{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}getNodeType(e){const t=e.getNodeProperties(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}return t.structType.name}generate(e){const t=e.getOutputStructName(),r=this.members,s=""!==t?t+".":"";for(let t=0;t<r.length;t++){const i=r[t].build(e);e.addLineFlowCode(`${s}m${t} = ${i}`,this)}return t}}const hf=Bi(cf);function pf(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class gf extends cf{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.isMRTNode=!0}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes};return mf(t)}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[pf(s,e)]=Qi(t[e])}return this.members=r,super.setup(e)}}const mf=Bi(gf),ff=Ui((([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)})),yf=(e,t)=>fa(to(4,e.mul(eo(1,e))),t),xf=Ui((([e])=>e.fract().sub(.5).abs())).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),bf=Ui((([e])=>qi(xf(e.z.add(xf(e.y.mul(1)))),xf(e.z.add(xf(e.x.mul(1)))),xf(e.y.add(xf(e.x.mul(1))))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Tf=Ui((([e,t,r])=>{const s=qi(e).toVar(),i=Oi(1.4).toVar(),n=Oi(0).toVar(),o=qi(s).toVar();return Bc({start:Oi(0),end:Oi(3),type:"float",condition:"<="},(()=>{const e=qi(bf(o.mul(2))).toVar();s.addAssign(e.add(r.mul(Oi(.1).mul(t)))),o.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const a=Oi(xf(s.z.add(xf(s.x.add(xf(s.y)))))).toVar();n.addAssign(a.div(i)),o.addAssign(.14)})),n})).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class _f extends Gs{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(e){const t=this.parametersNodes;let r=this._candidateFnCall;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 o=n.inputs;if(t.length===o.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=o[r];s.getNodeType(e)===i.type?n++:n=0}n>i&&(s=r,i=n)}}this._candidateFnCall=r=s(...t)}return r}}const vf=Bi(_f),Nf=e=>(...t)=>vf(e,...t),Sf=fn(0).setGroup(pn).onRenderUpdate((e=>e.time)),Rf=fn(0).setGroup(pn).onRenderUpdate((e=>e.deltaTime)),Af=fn(0,"uint").setGroup(pn).onRenderUpdate((e=>e.frameId)),Ef=Ui((([e,t,r=$i(.5)])=>om(e.sub(r),t).add(r))),Cf=Ui((([e,t,r=$i(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))})),wf=Ui((({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=dl.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=dl;const i=Yu.mul(s);return Ri(t)&&(i[0][0]=dl[0].length(),i[0][1]=0,i[0][2]=0),Ri(r)&&(i[1][0]=0,i[1][1]=dl[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,Xu.mul(i).mul(vl)})),Mf=Ui((([e=null])=>{const t=fh();return fh(uh(e)).sub(t).lessThan(0).select(jc,e)}));class Bf extends Gs{static get type(){return"SpriteSheetUVNode"}constructor(e,t=Fu(),r=Oi(0)){super("vec2"),this.countNode=e,this.uvNode=t,this.frameNode=r}setup(){const{frameNode:e,uvNode:t,countNode:r}=this,{width:s,height:i}=r,n=e.mod(s.mul(i)).floor(),o=n.mod(s),a=i.sub(n.add(1).div(s).ceil()),u=r.reciprocal(),l=$i(o,a);return t.add(l).mul(u)}}const Ff=Bi(Bf);class Uf extends Gs{static get type(){return"TriplanarTexturesNode"}constructor(e,t=null,r=null,s=Oi(1),i=vl,n=Fl){super("vec4"),this.textureXNode=e,this.textureYNode=t,this.textureZNode=r,this.scaleNode=s,this.positionNode=i,this.normalNode=n}setup(){const{textureXNode:e,textureYNode:t,textureZNode:r,scaleNode:s,positionNode:i,normalNode:n}=this;let o=n.abs().normalize();o=o.div(o.dot(qi(1)));const a=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=Vu(d,a).mul(o.x),g=Vu(c,u).mul(o.y),m=Vu(h,l).mul(o.z);return Jn(p,g,m)}}const Pf=Bi(Uf),If=new we,Lf=new r,Df=new r,Vf=new r,Of=new o,Gf=new r(0,0,-1),kf=new s,zf=new r,$f=new r,Wf=new s,Hf=new t,jf=new ne,qf=jc.flipX();jf.depthTexture=new P(1,1);let Xf=!1;class Kf extends Du{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||jf.texture,qf),this._reflectorBaseNode=e.reflector||new Yf(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=Ci(new Kf({defaultTexture:jf.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._reflectorBaseNode=this._reflectorBaseNode,e}}class Yf extends Gs{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new Me,resolution:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:o=!1}=t;this.textureNode=e,this.target=r,this.resolution=s,this.generateMipmaps=i,this.bounces=n,this.depth=o,this.updateBeforeType=n?Fs.RENDER:Fs.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new WeakMap,this.forceUpdate=!1}_updateResolution(e,t){const r=this.resolution;t.getDrawingBufferSize(Hf),e.setSize(Math.round(Hf.width*r),Math.round(Hf.height*r))}setup(e){return this._updateResolution(jf,e.renderer),super.setup(e)}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:le}),!0===this.generateMipmaps&&(t.texture.minFilter=Be,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new P),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&Xf)return!1;Xf=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,o=this.getVirtualCamera(r),a=this.getRenderTarget(o);s.getDrawingBufferSize(Hf),this._updateResolution(a,s),Df.setFromMatrixPosition(n.matrixWorld),Vf.setFromMatrixPosition(r.matrixWorld),Of.extractRotation(n.matrixWorld),Lf.set(0,0,1),Lf.applyMatrix4(Of),zf.subVectors(Df,Vf);if(!0===zf.dot(Lf)>0&&!1===this.forceUpdate)return;zf.reflect(Lf).negate(),zf.add(Df),Of.extractRotation(r.matrixWorld),Gf.set(0,0,-1),Gf.applyMatrix4(Of),Gf.add(Vf),$f.subVectors(Df,Gf),$f.reflect(Lf).negate(),$f.add(Df),o.coordinateSystem=r.coordinateSystem,o.position.copy(zf),o.up.set(0,1,0),o.up.applyMatrix4(Of),o.up.reflect(Lf),o.lookAt($f),o.near=r.near,o.far=r.far,o.updateMatrixWorld(),o.projectionMatrix.copy(r.projectionMatrix),If.setFromNormalAndCoplanarPoint(Lf,Df),If.applyMatrix4(o.matrixWorldInverse),kf.set(If.normal.x,If.normal.y,If.normal.z,If.constant);const u=o.projectionMatrix;Wf.x=(Math.sign(kf.x)+u.elements[8])/u.elements[0],Wf.y=(Math.sign(kf.y)+u.elements[9])/u.elements[5],Wf.z=-1,Wf.w=(1+u.elements[10])/u.elements[14],kf.multiplyScalar(1/kf.dot(Wf));u.elements[2]=kf.x,u.elements[6]=kf.y,u.elements[10]=s.coordinateSystem===d?kf.z-0:kf.z+1-0,u.elements[14]=kf.w,this.textureNode.value=a.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=a.depthTexture),i.visible=!1;const l=s.getRenderTarget(),c=s.getMRT(),h=s.autoClear;s.setMRT(null),s.setRenderTarget(a),s.autoClear=!0,s.render(t,o),s.setMRT(c),s.setRenderTarget(l),s.autoClear=h,i.visible=!0,Xf=!1,this.forceUpdate=!1}}const Qf=new ae(-1,1,1,-1,0,1);class Zf extends se{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Fe([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Fe(t,2))}}const Jf=new Zf;class ey extends W{constructor(e=null){super(Jf,e),this.camera=Qf,this.isQuadMesh=!0}async renderAsync(e){return e.renderAsync(this,Qf)}render(e){e.render(this,Qf)}}const ty=new t;class ry extends Du{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:le}){const i=new ne(t,r,s);super(i.texture,Fu()),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 ey(new Nh),this.updateBeforeType=Fs.RENDER}get autoSize(){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.autoSize){this.pixelRatio=e.getPixelRatio();const t=e.getSize(ty);this.setSize(t.width,t.height)}this._quadMesh.material.fragmentNode=this._rttNode;const t=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new Du(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const sy=(e,...t)=>Ci(new ry(Ci(e),...t)),iy=Ui((([e,t,r],s)=>{let i;s.renderer.coordinateSystem===d?(e=$i(e.x,e.y.oneMinus()).mul(2).sub(1),i=Qi(qi(e,t),1)):i=Qi(qi(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Qi(r.mul(i));return n.xyz.div(n.w)})),ny=Ui((([e,t])=>{const r=t.mul(Qi(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return $i(s.x,s.y.oneMinus())})),oy=Ui((([e,t,r])=>{const s=Pu(Ou(t)),i=Wi(e.mul(s)).toVar(),n=Ou(t,i).toVar(),o=Ou(t,i.sub(Wi(2,0))).toVar(),a=Ou(t,i.sub(Wi(1,0))).toVar(),u=Ou(t,i.add(Wi(1,0))).toVar(),l=Ou(t,i.add(Wi(2,0))).toVar(),d=Ou(t,i.add(Wi(0,2))).toVar(),c=Ou(t,i.add(Wi(0,1))).toVar(),h=Ou(t,i.sub(Wi(0,1))).toVar(),p=Ou(t,i.sub(Wi(0,2))).toVar(),g=qo(eo(Oi(2).mul(a).sub(o),n)).toVar(),m=qo(eo(Oi(2).mul(u).sub(l),n)).toVar(),f=qo(eo(Oi(2).mul(c).sub(d),n)).toVar(),y=qo(eo(Oi(2).mul(h).sub(p),n)).toVar(),x=iy(e,n,r).toVar(),b=g.lessThan(m).select(x.sub(iy(e.sub($i(Oi(1).div(s.x),0)),a,r)),x.negate().add(iy(e.add($i(Oi(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(x.sub(iy(e.add($i(0,Oi(1).div(s.y))),c,r)),x.negate().add(iy(e.sub($i(0,Oi(1).div(s.y))),h,r)));return Oo(ma(b,T))}));class ay extends w{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class uy extends ie{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class ly extends ks{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 dy=Bi(ly);class cy extends Gu{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStruct?(s="struct",i=t.layout):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=vs(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=Ps.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 dy(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(Ps.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=hu(this.value),this._varying=qa(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)}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 hy=(e,t=null,r=0)=>Ci(new cy(e,t,r));class py extends Mu{static get type(){return"VertexColorNode"}constructor(e=0){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}}class gy extends Gs{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const my=Fi(gy),fy=new N,yy=new o;class xy extends Gs{static get type(){return"SceneNode"}constructor(e=xy.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===xy.BACKGROUND_BLURRINESS?s=ed("backgroundBlurriness","float",r):t===xy.BACKGROUND_INTENSITY?s=ed("backgroundIntensity","float",r):t===xy.BACKGROUND_ROTATION?s=fn("mat4").label("backgroundRotation").setGroup(pn).onRenderUpdate((()=>{const e=r.background;return null!==e&&e.isTexture&&e.mapping!==Ue?(fy.copy(r.backgroundRotation),fy.x*=-1,fy.y*=-1,fy.z*=-1,yy.makeRotationFromEuler(fy)):yy.identity(),yy})):console.error("THREE.SceneNode: Unknown scope:",t),s}}xy.BACKGROUND_BLURRINESS="backgroundBlurriness",xy.BACKGROUND_INTENSITY="backgroundIntensity",xy.BACKGROUND_ROTATION="backgroundRotation";const by=Fi(xy,xy.BACKGROUND_BLURRINESS),Ty=Fi(xy,xy.BACKGROUND_INTENSITY),_y=Fi(xy,xy.BACKGROUND_ROTATION);class vy extends Du{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.isStorageTextureNode=!0,this.access=Ps.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);e.getNodeProperties(this).storeNode=this.storeNode}setAccess(e){return this.access=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(Ps.READ_WRITE)}toReadOnly(){return this.setAccess(Ps.READ_ONLY)}toWriteOnly(){return this.setAccess(Ps.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s}=t,i=super.generate(e,"property"),n=r.build(e,"uvec2"),o=s.build(e,"vec4"),a=e.generateTextureStore(e,i,n,o);e.addLineFlowCode(a,this)}}const Ny=Bi(vy),Sy=Ui((({texture:e,uv:t})=>{const r=1e-4,s=qi().toVar();return Li(t.x.lessThan(r),(()=>{s.assign(qi(1,0,0))})).ElseIf(t.y.lessThan(r),(()=>{s.assign(qi(0,1,0))})).ElseIf(t.z.lessThan(r),(()=>{s.assign(qi(0,0,1))})).ElseIf(t.x.greaterThan(.9999),(()=>{s.assign(qi(-1,0,0))})).ElseIf(t.y.greaterThan(.9999),(()=>{s.assign(qi(0,-1,0))})).ElseIf(t.z.greaterThan(.9999),(()=>{s.assign(qi(0,0,-1))})).Else((()=>{const r=.01,i=e.sample(t.add(qi(-.01,0,0))).r.sub(e.sample(t.add(qi(r,0,0))).r),n=e.sample(t.add(qi(0,-.01,0))).r.sub(e.sample(t.add(qi(0,r,0))).r),o=e.sample(t.add(qi(0,0,-.01))).r.sub(e.sample(t.add(qi(0,0,r))).r);s.assign(qi(i,n,o))})),s.normalize()}));class Ry extends Du{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return qi(.5,.5,.5)}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!e.isFlipY()||!0!==r.isRenderTargetTexture&&!0!==r.isFramebufferTexture||(t=this.sampler?t.flipY():t.setY(Gi(Pu(this,this.levelNode).y).sub(t.y).sub(1))),t}generateUV(e,t){return t.build(e,"vec3")}normal(e){return Sy({texture:this,uv:e})}}const Ay=Bi(Ry);class Ey extends Jl{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 Cy=new WeakMap;class wy extends $s{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Fs.OBJECT,this.updateAfterType=Fs.OBJECT,this.previousModelWorldMatrix=fn(new o),this.previousProjectionMatrix=fn(new o).setGroup(pn),this.previousCameraViewMatrix=fn(new o)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=By(r);this.previousModelWorldMatrix.value.copy(s);const i=My(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new o,i.previousCameraViewMatrix=new o,i.currentProjectionMatrix=new o,i.currentCameraViewMatrix=new o,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}){By(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?Xu:fn(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(yl).mul(vl),s=this.previousProjectionMatrix.mul(t).mul(Nl),i=r.xy.div(r.w),n=s.xy.div(s.w);return eo(i,n)}}function My(e){let t=Cy.get(e);return void 0===t&&(t={},Cy.set(e,t)),t}function By(e,t=0){const r=My(e);let s=r[t];return void 0===s&&(r[t]=s=new o),s}const Fy=Fi(wy),Uy=Ui((([e,t])=>aa(1,e.oneMinus().div(t)).oneMinus())).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Py=Ui((([e,t])=>aa(e.div(t.oneMinus()),1))).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Iy=Ui((([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus())).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Ly=Ui((([e,t])=>Na(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),da(.5,e)))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Dy=Ui((([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Qi(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"}]}),Vy=Ui((([e])=>zy(e.rgb))),Oy=Ui((([e,t=Oi(1)])=>t.mix(zy(e.rgb),e.rgb))),Gy=Ui((([e,t=Oi(1)])=>{const r=Jn(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 Na(e.rgb,s,i)})),ky=Ui((([e,t=Oi(1)])=>{const r=qi(.57735,.57735,.57735),s=t.cos();return qi(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(ga(r,e.rgb).mul(s.oneMinus())))))})),zy=(e,t=qi(c.getLuminanceCoefficients(new r)))=>ga(e,t),$y=Ui((([e,t=qi(1),s=qi(0),i=qi(1),n=Oi(1),o=qi(c.getLuminanceCoefficients(new r,ce))])=>{const a=e.rgb.dot(qi(o)),u=ua(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return Li(u.r.greaterThan(0),(()=>{u.r.assign(l.r)})),Li(u.g.greaterThan(0),(()=>{u.g.assign(l.g)})),Li(u.b.greaterThan(0),(()=>{u.b.assign(l.b)})),u.assign(a.add(u.sub(a).mul(n))),Qi(u.rgb,e.a)}));class Wy extends $s{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 Hy=Bi(Wy),jy=new t;class qy extends Du{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return e.object.isQuadMesh&&this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class Xy extends qy{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(){return new this.constructor(this.passNode,this.textureName,this.previousTexture)}}class Ky extends $s{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 P;i.isRenderTargetTexture=!0,i.name="depth";const n=new ne(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:le,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=fn(0),this._cameraFar=fn(0),this._mrt=null,this._layers=null,this._resolution=1,this.isPassNode=!0,this.updateBeforeType=Fs.FRAME}setResolution(e){return this._resolution=e,this}getResolution(){return this._resolution}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}isGlobal(){return!0}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=Ci(new Xy(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=Ci(new Xy(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=hh(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=dh(i,r,s)}return t}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,!0===e.backend.isWebGLBackend&&(this.renderTarget.samples=0),this.renderTarget.texture.type=e.getColorBufferType(),this.scope===Ky.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),jy.set(n.width,n.height)):(s=this.camera,i=t.getPixelRatio(),t.getSize(jy)),this._pixelRatio=i,this.setSize(jy.width,jy.height);const o=t.getRenderTarget(),a=t.getMRT(),u=s.layers.mask;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);t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.render(r,s),t.setRenderTarget(o),t.setMRT(a),s.layers.mask=u}setSize(e,t){this._width=e,this._height=t;const r=this._width*this._pixelRatio*this._resolution,s=this._height*this._pixelRatio*this._resolution;this.renderTarget.setSize(r,s)}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}Ky.COLOR="color",Ky.DEPTH="depth";class Yy extends Ky{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(Ky.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction(((e,r,s,i,n,o,a,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,o,a,u)}t.renderObject(e,r,s,i,n,o,a,u)})),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new Nh;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=v;const t=Fl.negate(),r=Xu.mul(yl),s=Oi(1),i=r.mul(Qi(vl,1)),n=r.mul(Qi(vl.add(t),1)),o=Oo(i.sub(n));return e.vertexNode=i.add(o.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Qi(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 Qy=Ui((([e,t])=>e.mul(t).clamp())).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Zy=Ui((([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"}]}),Jy=Ui((([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"}]}),ex=Ui((([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)})),tx=Ui((([e,t])=>{const r=rn(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=rn(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=ex(e),(e=s.mul(e)).clamp()})).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),rx=rn(qi(1.6605,-.1246,-.0182),qi(-.5876,1.1329,-.1006),qi(-.0728,-.0083,1.1187)),sx=rn(qi(.6274,.0691,.0164),qi(.3293,.9195,.088),qi(.0433,.0113,.8956)),ix=Ui((([e])=>{const t=qi(e).toVar(),r=qi(t.mul(t)).toVar(),s=qi(r.mul(r)).toVar();return Oi(15.5).mul(s.mul(r)).sub(to(40.14,s.mul(t))).add(to(31.96,s).sub(to(6.868,r.mul(t))).add(to(.4298,r).add(to(.1191,t).sub(.00232))))})),nx=Ui((([e,t])=>{const r=qi(e).toVar(),s=rn(qi(.856627153315983,.137318972929847,.11189821299995),qi(.0951212405381588,.761241990602591,.0767994186031903),qi(.0482516061458583,.101439036467562,.811302368396859)),i=rn(qi(1.1271005818144368,-.1413297634984383,-.14132976349843826),qi(-.11060664309660323,1.157823702216272,-.11060664309660294),qi(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Oi(-12.47393),o=Oi(4.026069);return r.mulAssign(t),r.assign(sx.mul(r)),r.assign(s.mul(r)),r.assign(ua(r,1e-10)),r.assign(Po(r)),r.assign(r.sub(n).div(o.sub(n))),r.assign(Sa(r,0,1)),r.assign(ix(r)),r.assign(i.mul(r)),r.assign(fa(ua(qi(0),r),qi(2.2))),r.assign(rx.mul(r)),r.assign(Sa(r,0,1)),r})).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),ox=Ui((([e,t])=>{const r=Oi(.76),s=Oi(.15);e=e.mul(t);const i=aa(e.r,aa(e.g,e.b)),n=La(i.lessThan(.08),i.sub(to(6.25,i.mul(i))),.04);e.subAssign(n);const o=ua(e.r,ua(e.g,e.b));Li(o.lessThan(r),(()=>e));const a=eo(1,r),u=eo(1,a.mul(a).div(o.add(a.sub(r))));e.mulAssign(u.div(o));const l=eo(1,ro(1,s.mul(o.sub(u)).add(1)));return Na(e,qi(u),l)})).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class ax extends Gs{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.code=e,this.includes=t,this.language=r}isGlobal(){return!0}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 ux=Bi(ax);class lx extends ax{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}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 o=e.getPropertyName(n),a=this.getNodeFunction(e).getCode(o);return n.code=a+"\n","property"===t?o:e.format(`${o}()`,i,t)}}const dx=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=Ci(new lx(e,t,r)),i=(...e)=>s.call(...e);return i.functionNode=s,i};class cx extends Gs{static get type(){return"ScriptableValueNode"}constructor(e=null){super(),this._value=e,this._cache=null,this.inputType=null,this.outputType=null,this.events=new a,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:Oi()}serialize(e){super.serialize(e),null!==this.value?"ArrayBuffer"===this.inputType?e.value=Cs(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?ws(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 hx=Bi(cx);class px 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 gx{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 mx=new px;class fx extends Gs{static get type(){return"ScriptableNode"}constructor(e=null,t={}){super(),this.codeNode=e,this.parameters=t,this._local=new px,this._output=hx(),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]=hx(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]=hx(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 gx(this),t=mx.get("THREE"),r=mx.get("TSL"),s=this.getMethod(),i=[e,this._local,mx,()=>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:Oi()}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=[ms(this.source),this.getDefaultOutputNode().getCacheKey(e)];for(const r in this.parameters)t.push(this.parameters[r].getCacheKey(e));return fs(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 yx=Bi(fx);function xx(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Al.z).negate()}const bx=Ui((([e,t],r)=>{const s=xx(r);return Ea(e,t,s)})),Tx=Ui((([e],t)=>{const r=xx(t);return e.mul(e,r,r).negate().exp().oneMinus()})),_x=Ui((([e,t])=>Qi(t.toFloat().mix(Vn.rgb,e.toVec3()),Vn.a)));let vx=null,Nx=null;class Sx extends Gs{static get type(){return"RangeNode"}constructor(e=Oi(),t=Oi()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=e.getTypeLength(Rs(this.minNode.value)),r=e.getTypeLength(Rs(this.maxNode.value));return t>r?t:r}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.minNode.value,n=this.maxNode.value,o=e.getTypeLength(Rs(i)),a=e.getTypeLength(Rs(n));vx=vx||new s,Nx=Nx||new s,vx.setScalar(0),Nx.setScalar(0),1===o?vx.setScalar(i):i.isColor?vx.set(i.r,i.g,i.b,1):vx.set(i.x,i.y,i.z||0,i.w||0),1===a?Nx.setScalar(n):n.isColor?Nx.set(n.r,n.g,n.b,1):Nx.set(n.x,n.y,n.z||0,n.w||0);const l=4,d=l*t.count,c=new Float32Array(d);for(let e=0;e<d;e++){const t=e%l,r=vx.getComponent(t),s=Nx.getComponent(t);c[e]=u.lerp(r,s,Math.random())}const h=this.getNodeType(e);if(t.count<=4096)r=ku(c,"vec4",t.count).element(fc).convert(h);else{const t=new w(c,4);e.geometry.setAttribute("__range"+this.id,t),r=gu(t).convert(h)}}else r=Oi(0);return r}}const Rx=Bi(Sx);class Ax extends Gs{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):(console.warn(`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 Ex=(e,t)=>Ci(new Ax(e,t)),Cx=Ex("numWorkgroups","uvec3"),wx=Ex("workgroupId","uvec3"),Mx=Ex("globalId","uvec3"),Bx=Ex("localId","uvec3"),Fx=Ex("subgroupSize","uint");const Ux=Bi(class extends Gs{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 Px extends ks{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 Ix extends Gs{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e}label(e){return this.name=e,this}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return Ci(new Px(this,e))}generate(e){return e.getScopedArray(this.name||`${this.scope}Array_${this.id}`,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class Lx extends $s{static get type(){return"AtomicFunctionNode"}constructor(e,t,r,s=null){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.storeNode=s}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=this.method,r=this.getNodeType(e),s=this.getInputType(e),i=this.pointerNode,n=this.valueNode,o=[];o.push(`&${i.build(e,s)}`),null!==n&&o.push(n.build(e,s));const a=`${e.getMethod(t,r)}( ${o.join(", ")} )`;if(null!==this.storeNode){const t=this.storeNode.build(e,s);e.addLineFlowCode(`${t} = ${a}`,this)}else e.addLineFlowCode(a,this)}}Lx.ATOMIC_LOAD="atomicLoad",Lx.ATOMIC_STORE="atomicStore",Lx.ATOMIC_ADD="atomicAdd",Lx.ATOMIC_SUB="atomicSub",Lx.ATOMIC_MAX="atomicMax",Lx.ATOMIC_MIN="atomicMin",Lx.ATOMIC_AND="atomicAnd",Lx.ATOMIC_OR="atomicOr",Lx.ATOMIC_XOR="atomicXor";const Dx=Bi(Lx),Vx=(e,t,r,s=null)=>{const i=Dx(e,t,r,s);return i.append(),i};let Ox;function Gx(e){Ox=Ox||new WeakMap;let t=Ox.get(e);return void 0===t&&Ox.set(e,t={}),t}function kx(e){const t=Gx(e);return t.shadowMatrix||(t.shadowMatrix=fn("mat4").setGroup(pn).onRenderUpdate((()=>(!0!==e.castShadow&&e.shadow.updateMatrices(e),e.shadow.matrix))))}function zx(e,t=Sl){const r=kx(e).mul(t);return r.xyz.div(r.w)}function $x(e){const t=Gx(e);return t.position||(t.position=fn(new r).setGroup(pn).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld))))}function Wx(e){const t=Gx(e);return t.targetPosition||(t.targetPosition=fn(new r).setGroup(pn).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld))))}function Hx(e){const t=Gx(e);return t.viewPosition||(t.viewPosition=fn(new r).setGroup(pn).onRenderUpdate((({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)})))}const jx=e=>Yu.transformDirection($x(e).sub(Wx(e))),qx=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},Xx=new WeakMap;class Kx extends Gs{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=qi().toVar("totalDiffuse"),this.totalSpecularNode=qi().toVar("totalSpecular"),this.outgoingLightNode=qi().toVar("outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=[],t=this._lights;for(let r=0;r<t.length;r++)e.push(t[r].id);return fs(e)}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getSelf().getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getDataFromNode(this);for(const r of t.nodes)r.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(Ci(e));else{let s=null;if(null!==r&&(s=qx(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){console.warn(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;Xx.has(e)?s=Xx.get(e):(s=Ci(new r(e)),Xx.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.getDataFromNode(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:o}=this;s.outgoingLight=r;const a=e.addStack();n.nodes=a.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=qi(null!==l?l.mix(g,u):u),s.material.transparent=!0),t.assign(g),o.assign(c.add(p)),r.assign(t.add(o)),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 Yx extends Gs{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Fs.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){Qx.assign(t.shadowPositionNode||e.shadowPositionWorld||Sl)}dispose(){this.updateBeforeType=Fs.NONE}}const Qx=xn("vec3","shadowPositionWorld");function Zx(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 Jx(e,t){return t=Zx(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function eb(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 tb(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function rb(e,t){return t=tb(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function sb(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function ib(e,t,r){return r=rb(t,r=Jx(e,r))}function nb(e,t,r){eb(e,r),sb(t,r)}var ob=Object.freeze({__proto__:null,resetRendererAndSceneState:ib,resetRendererState:Jx,resetSceneState:rb,restoreRendererAndSceneState:nb,restoreRendererState:eb,restoreSceneState:sb,saveRendererAndSceneState:function(e,t,r={}){return r=tb(t,r=Zx(e,r))},saveRendererState:Zx,saveSceneState:tb});const ab=new WeakMap,ub=Ui((([e,t,r])=>{let s=Sl.sub(e).length();return s=s.sub(t).div(r.sub(t)),s=s.saturate(),s})),lb=e=>{let t=ab.get(e);if(void 0===t){const r=e.isPointLight?(e=>{const t=e.shadow.camera,r=ed("near","float",t).setGroup(pn),s=ed("far","float",t).setGroup(pn),i=il(e);return ub(i,r,s)})(e):null;t=new Nh,t.colorNode=Qi(0,0,0,1),t.depthNode=r,t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.fog=!1,ab.set(e,t)}return t},db=Ui((({depthTexture:e,shadowCoord:t})=>Vu(e,t.xy).compare(t.z))),cb=Ui((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Vu(e,t).compare(r),i=ed("mapSize","vec2",r).setGroup(pn),n=ed("radius","float",r).setGroup(pn),o=$i(1).div(i),a=o.x.negate().mul(n),u=o.y.negate().mul(n),l=o.x.mul(n),d=o.y.mul(n),c=a.div(2),h=u.div(2),p=l.div(2),g=d.div(2);return Jn(s(t.xy.add($i(a,u)),t.z),s(t.xy.add($i(0,u)),t.z),s(t.xy.add($i(l,u)),t.z),s(t.xy.add($i(c,h)),t.z),s(t.xy.add($i(0,h)),t.z),s(t.xy.add($i(p,h)),t.z),s(t.xy.add($i(a,0)),t.z),s(t.xy.add($i(c,0)),t.z),s(t.xy,t.z),s(t.xy.add($i(p,0)),t.z),s(t.xy.add($i(l,0)),t.z),s(t.xy.add($i(c,g)),t.z),s(t.xy.add($i(0,g)),t.z),s(t.xy.add($i(p,g)),t.z),s(t.xy.add($i(a,d)),t.z),s(t.xy.add($i(0,d)),t.z),s(t.xy.add($i(l,d)),t.z)).mul(1/17)})),hb=Ui((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Vu(e,t).compare(r),i=ed("mapSize","vec2",r).setGroup(pn),n=$i(1).div(i),o=n.x,a=n.y,u=t.xy,l=Go(u.mul(i).add(.5));return u.subAssign(l.mul(n)),Jn(s(u,t.z),s(u.add($i(o,0)),t.z),s(u.add($i(0,a)),t.z),s(u.add(n),t.z),Na(s(u.add($i(o.negate(),0)),t.z),s(u.add($i(o.mul(2),0)),t.z),l.x),Na(s(u.add($i(o.negate(),a)),t.z),s(u.add($i(o.mul(2),a)),t.z),l.x),Na(s(u.add($i(0,a.negate())),t.z),s(u.add($i(0,a.mul(2))),t.z),l.y),Na(s(u.add($i(o,a.negate())),t.z),s(u.add($i(o,a.mul(2))),t.z),l.y),Na(Na(s(u.add($i(o.negate(),a.negate())),t.z),s(u.add($i(o.mul(2),a.negate())),t.z),l.x),Na(s(u.add($i(o.negate(),a.mul(2))),t.z),s(u.add($i(o.mul(2),a.mul(2))),t.z),l.x),l.y)).mul(1/9)})),pb=Ui((({depthTexture:e,shadowCoord:t})=>{const r=Oi(1).toVar(),s=Vu(e).sample(t.xy).rg,i=da(t.z,s.x);return Li(i.notEqual(Oi(1)),(()=>{const e=t.z.sub(s.x),n=ua(0,s.y.mul(s.y));let o=n.div(n.add(e.mul(e)));o=Sa(eo(o,.3).div(.95-.3)),r.assign(Sa(ua(i,o)))})),r})),gb=Ui((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Oi(0).toVar(),n=Oi(0).toVar(),o=e.lessThanEqual(Oi(1)).select(Oi(0),Oi(2).div(e.sub(1))),a=e.lessThanEqual(Oi(1)).select(Oi(0),Oi(-1));Bc({start:Gi(0),end:Gi(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Oi(e).mul(o)),l=s.sample(Jn(Xc.xy,$i(0,u).mul(t)).div(r)).x;i.addAssign(l),n.addAssign(l.mul(l))})),i.divAssign(e),n.divAssign(e);const u=Io(n.sub(i.mul(i)));return $i(i,u)})),mb=Ui((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Oi(0).toVar(),n=Oi(0).toVar(),o=e.lessThanEqual(Oi(1)).select(Oi(0),Oi(2).div(e.sub(1))),a=e.lessThanEqual(Oi(1)).select(Oi(0),Oi(-1));Bc({start:Gi(0),end:Gi(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Oi(e).mul(o)),l=s.sample(Jn(Xc.xy,$i(u,0).mul(t)).div(r));i.addAssign(l.x),n.addAssign(Jn(l.y.mul(l.y),l.x.mul(l.x)))})),i.divAssign(e),n.divAssign(e);const u=Io(n.sub(i.mul(i)));return $i(i,u)})),fb=[db,cb,hb,pb];let yb;const xb=new ey;class bb extends Yx{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._cameraFrameId=new WeakMap,this.isShadowNode=!0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){const n=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});return n.select(o,Oi(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=ed("bias","float",r).setGroup(pn);let n,o=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)o=o.xyz.div(o.w),n=o.z,s.coordinateSystem===d&&(n=n.mul(2).sub(1));else{const e=o.w;o=o.xy.div(e);const t=ed("near","float",r.camera).setGroup(pn),s=ed("far","float",r.camera).setGroup(pn);n=ph(e.negate(),t,s)}return o=qi(o.x,o.y.oneMinus(),n.add(i)),o}getShadowFilterFn(e){return fb[e]}setupShadow(e){const{renderer:t}=e,{light:r,shadow:s}=this,i=t.shadowMap.type,n=new P(s.mapSize.width,s.mapSize.height);n.compareFunction=Pe;const o=e.createRenderTarget(s.mapSize.width,s.mapSize.height);if(o.depthTexture=n,s.camera.updateProjectionMatrix(),i===Ie){n.compareFunction=null,this.vsmShadowMapVertical=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Le,type:le}),this.vsmShadowMapHorizontal=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Le,type:le});const t=Vu(n),r=Vu(this.vsmShadowMapVertical.texture),i=ed("blurSamples","float",s).setGroup(pn),o=ed("radius","float",s).setGroup(pn),a=ed("mapSize","vec2",s).setGroup(pn);let u=this.vsmMaterialVertical||(this.vsmMaterialVertical=new Nh);u.fragmentNode=gb({samples:i,radius:o,size:a,shadowPass:t}).context(e.getSharedContext()),u.name="VSMVertical",u=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new Nh),u.fragmentNode=mb({samples:i,radius:o,size:a,shadowPass:r}).context(e.getSharedContext()),u.name="VSMHorizontal"}const a=ed("intensity","float",s).setGroup(pn),u=ed("normalBias","float",s).setGroup(pn),l=kx(r).mul(Qx.add(Dl.mul(u))),d=this.setupShadowCoord(e,l),c=s.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===c)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const h=i===Ie?this.vsmShadowMapHorizontal.texture:n,p=this.setupShadowFilter(e,{filterFn:c,shadowTexture:o.texture,depthTexture:h,shadowCoord:d,shadow:s}),g=Vu(o.texture,d),m=Na(1,p.rgb.mix(g,1),a.mul(g.a)).toVar();return this.shadowMap=o,this.shadow.map=o,m}setup(e){if(!1!==e.renderer.shadowMap.enabled)return Ui((()=>{let t=this._node;return this.setupShadowPosition(e),null===t&&(this._node=t=this.setupShadow(e)),e.material.shadowNode&&console.warn('THREE.NodeMaterial: ".shadowNode" is deprecated. Use ".castShadowNode" instead.'),e.material.receivedShadowNode&&(t=e.material.receivedShadowNode(t)),t}))()}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),i.render(n,t.camera)}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:o}=e,a=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u,s.camera.layers.mask=o.layers.mask;const l=i.getRenderObjectFunction(),d=i.getMRT(),c=!!d&&d.has("velocity");yb=ib(i,n,yb),n.overrideMaterial=lb(r),i.setRenderObjectFunction(((e,t,r,n,u,l,...d)=>{(!0===e.castShadow||e.receiveShadow&&a===Ie)&&(c&&(Es(e).useVelocity=!0),e.onBeforeShadow(i,e,o,s.camera,n,t.overrideMaterial,l),i.renderObject(e,t,r,n,u,l,...d),e.onAfterShadow(i,e,o,s.camera,n,t.overrideMaterial,l))})),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(l),!0!==r.isPointLight&&a===Ie&&this.vsmPass(i),nb(i,n,yb)}vsmPass(e){const{shadow:t}=this;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height),e.setRenderTarget(this.vsmShadowMapVertical),xb.material=this.vsmMaterialVertical,xb.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),xb.material=this.vsmMaterialHorizontal,xb.render(e)}dispose(){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),super.dispose()}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 Tb=(e,t)=>Ci(new bb(e,t)),_b=new e,vb=Ui((([e,t])=>{const r=e.toVar(),s=qo(r),i=ro(1,ua(s.x,ua(s.y,s.z)));s.mulAssign(i),r.mulAssign(i.mul(t.mul(2).oneMinus()));const n=$i(r.xy).toVar(),o=t.mul(1.5).oneMinus();return Li(s.z.greaterThanEqual(o),(()=>{Li(r.z.greaterThan(0),(()=>{n.x.assign(eo(4,r.x))}))})).ElseIf(s.x.greaterThanEqual(o),(()=>{const e=Xo(r.x);n.x.assign(r.z.mul(e).add(e.mul(2)))})).ElseIf(s.y.greaterThanEqual(o),(()=>{const e=Xo(r.y);n.x.assign(r.x.add(e.mul(2)).add(2)),n.y.assign(r.z.mul(e).sub(2))})),$i(.125,.25).mul(n).add($i(.375,.75)).flipY()})).setLayout({name:"cubeToUV",type:"vec2",inputs:[{name:"pos",type:"vec3"},{name:"texelSizeY",type:"float"}]}),Nb=Ui((({depthTexture:e,bd3D:t,dp:r,texelSize:s})=>Vu(e,vb(t,s.y)).compare(r))),Sb=Ui((({depthTexture:e,bd3D:t,dp:r,texelSize:s,shadow:i})=>{const n=ed("radius","float",i).setGroup(pn),o=$i(-1,1).mul(n).mul(s.y);return Vu(e,vb(t.add(o.xyy),s.y)).compare(r).add(Vu(e,vb(t.add(o.yyy),s.y)).compare(r)).add(Vu(e,vb(t.add(o.xyx),s.y)).compare(r)).add(Vu(e,vb(t.add(o.yyx),s.y)).compare(r)).add(Vu(e,vb(t,s.y)).compare(r)).add(Vu(e,vb(t.add(o.xxy),s.y)).compare(r)).add(Vu(e,vb(t.add(o.yxy),s.y)).compare(r)).add(Vu(e,vb(t.add(o.xxx),s.y)).compare(r)).add(Vu(e,vb(t.add(o.yxx),s.y)).compare(r)).mul(1/9)})),Rb=Ui((({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toVar(),n=i.length(),o=fn("float").setGroup(pn).onRenderUpdate((()=>s.camera.near)),a=fn("float").setGroup(pn).onRenderUpdate((()=>s.camera.far)),u=ed("bias","float",s).setGroup(pn),l=fn(s.mapSize).setGroup(pn),d=Oi(1).toVar();return Li(n.sub(a).lessThanEqual(0).and(n.sub(o).greaterThanEqual(0)),(()=>{const r=n.sub(o).div(a.sub(o)).toVar();r.addAssign(u);const c=i.normalize(),h=$i(1).div(l.mul($i(4,2)));d.assign(e({depthTexture:t,bd3D:c,dp:r,texelSize:h,shadow:s}))})),d})),Ab=new s,Eb=new t,Cb=new t;class wb extends bb{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===De?Nb:Sb}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n}){return Rb({filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n})}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,o=t.getFrameExtents();Cb.copy(t.mapSize),Cb.multiply(o),r.setSize(Cb.width,Cb.height),Eb.copy(t.mapSize);const a=i.autoClear,u=i.getClearColor(_b),l=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha),i.clear();const d=t.getViewportCount();for(let e=0;e<d;e++){const o=t.getViewport(e),a=Eb.x*o.x,u=Cb.y-Eb.y-Eb.y*o.y;Ab.set(a,u,Eb.x*o.z,Eb.y*o.w),r.viewport.copy(Ab),t.updateMatrices(s,e),i.render(n,t.camera)}i.autoClear=a,i.setClearColor(u,l)}}const Mb=(e,t)=>Ci(new wb(e,t));class Bb extends Vc{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||fn(this.color).setGroup(pn),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Fs.FRAME}customCacheKey(){return ys(this.light.id,this.light.castShadow?1:0)}getHash(){return this.light.uuid}getLightVector(e){return Hx(this.light).sub(e.context.positionView||Al)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return Tb(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const t=this.light.shadow.shadowNode;let s;s=void 0!==t?Ci(t):this.setupShadowNode(e),this.shadowNode=s,this.shadowColorNode=r=this.colorNode.mul(s),this.baseColorNode=this.colorNode}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 Fb=Ui((({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)})),Ub=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),o=Fb({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(o)}};class Pb extends Bb{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=fn(0).setGroup(pn),this.decayExponentNode=fn(2).setGroup(pn)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return Mb(this.light)}setupDirect(e){return Ub({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const Ib=Ui((([e=t()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()})),Lb=Ui((([e=Fu()],{renderer:t,material:r})=>{const s=Oi(1).toVar(),i=va(e.mul(2).sub(1));if(r.alphaToCoverage&&t.samples>1){const e=Oi(i.fwidth()).toVar();s.assign(Ea(e.oneMinus(),e.add(1),i).oneMinus())}else i.greaterThan(1).discard();return s})),Db=Ui((([e,t,r])=>{const s=Oi(r).toVar(),i=Oi(t).toVar(),n=zi(e).toVar();return La(n,i,s)})).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),Vb=Ui((([e,t])=>{const r=zi(t).toVar(),s=Oi(e).toVar();return La(r,s.negate(),s)})).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),Ob=Ui((([e])=>{const t=Oi(e).toVar();return Gi(Do(t))})).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),Gb=Ui((([e,t])=>{const r=Oi(e).toVar();return t.assign(Ob(r)),r.sub(Oi(t))})),kb=Nf([Ui((([e,t,r,s,i,n])=>{const o=Oi(n).toVar(),a=Oi(i).toVar(),u=Oi(s).toVar(),l=Oi(r).toVar(),d=Oi(t).toVar(),c=Oi(e).toVar(),h=Oi(eo(1,a)).toVar();return eo(1,o).mul(c.mul(h).add(d.mul(a))).add(o.mul(l.mul(h).add(u.mul(a))))})).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"}]}),Ui((([e,t,r,s,i,n])=>{const o=Oi(n).toVar(),a=Oi(i).toVar(),u=qi(s).toVar(),l=qi(r).toVar(),d=qi(t).toVar(),c=qi(e).toVar(),h=Oi(eo(1,a)).toVar();return eo(1,o).mul(c.mul(h).add(d.mul(a))).add(o.mul(l.mul(h).add(u.mul(a))))})).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"}]})]),zb=Nf([Ui((([e,t,r,s,i,n,o,a,u,l,d])=>{const c=Oi(d).toVar(),h=Oi(l).toVar(),p=Oi(u).toVar(),g=Oi(a).toVar(),m=Oi(o).toVar(),f=Oi(n).toVar(),y=Oi(i).toVar(),x=Oi(s).toVar(),b=Oi(r).toVar(),T=Oi(t).toVar(),_=Oi(e).toVar(),v=Oi(eo(1,p)).toVar(),N=Oi(eo(1,h)).toVar();return Oi(eo(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(b.mul(v).add(x.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"}]}),Ui((([e,t,r,s,i,n,o,a,u,l,d])=>{const c=Oi(d).toVar(),h=Oi(l).toVar(),p=Oi(u).toVar(),g=qi(a).toVar(),m=qi(o).toVar(),f=qi(n).toVar(),y=qi(i).toVar(),x=qi(s).toVar(),b=qi(r).toVar(),T=qi(t).toVar(),_=qi(e).toVar(),v=Oi(eo(1,p)).toVar(),N=Oi(eo(1,h)).toVar();return Oi(eo(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(b.mul(v).add(x.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"}]})]),$b=Ui((([e,t,r])=>{const s=Oi(r).toVar(),i=Oi(t).toVar(),n=ki(e).toVar(),o=ki(n.bitAnd(ki(7))).toVar(),a=Oi(Db(o.lessThan(ki(4)),i,s)).toVar(),u=Oi(to(2,Db(o.lessThan(ki(4)),s,i))).toVar();return Vb(a,zi(o.bitAnd(ki(1)))).add(Vb(u,zi(o.bitAnd(ki(2)))))})).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),Wb=Ui((([e,t,r,s])=>{const i=Oi(s).toVar(),n=Oi(r).toVar(),o=Oi(t).toVar(),a=ki(e).toVar(),u=ki(a.bitAnd(ki(15))).toVar(),l=Oi(Db(u.lessThan(ki(8)),o,n)).toVar(),d=Oi(Db(u.lessThan(ki(4)),n,Db(u.equal(ki(12)).or(u.equal(ki(14))),o,i))).toVar();return Vb(l,zi(u.bitAnd(ki(1)))).add(Vb(d,zi(u.bitAnd(ki(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"}]}),Hb=Nf([$b,Wb]),jb=Ui((([e,t,r])=>{const s=Oi(r).toVar(),i=Oi(t).toVar(),n=Ki(e).toVar();return qi(Hb(n.x,i,s),Hb(n.y,i,s),Hb(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"}]}),qb=Ui((([e,t,r,s])=>{const i=Oi(s).toVar(),n=Oi(r).toVar(),o=Oi(t).toVar(),a=Ki(e).toVar();return qi(Hb(a.x,o,n,i),Hb(a.y,o,n,i),Hb(a.z,o,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"}]}),Xb=Nf([jb,qb]),Kb=Ui((([e])=>{const t=Oi(e).toVar();return to(.6616,t)})).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),Yb=Ui((([e])=>{const t=Oi(e).toVar();return to(.982,t)})).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),Qb=Nf([Kb,Ui((([e])=>{const t=qi(e).toVar();return to(.6616,t)})).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Zb=Nf([Yb,Ui((([e])=>{const t=qi(e).toVar();return to(.982,t)})).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Jb=Ui((([e,t])=>{const r=Gi(t).toVar(),s=ki(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(Gi(32).sub(r)))})).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),eT=Ui((([e,t,r])=>{e.subAssign(r),e.bitXorAssign(Jb(r,Gi(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Jb(e,Gi(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Jb(t,Gi(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(Jb(r,Gi(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Jb(e,Gi(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Jb(t,Gi(4))),t.addAssign(e)})),tT=Ui((([e,t,r])=>{const s=ki(r).toVar(),i=ki(t).toVar(),n=ki(e).toVar();return s.bitXorAssign(i),s.subAssign(Jb(i,Gi(14))),n.bitXorAssign(s),n.subAssign(Jb(s,Gi(11))),i.bitXorAssign(n),i.subAssign(Jb(n,Gi(25))),s.bitXorAssign(i),s.subAssign(Jb(i,Gi(16))),n.bitXorAssign(s),n.subAssign(Jb(s,Gi(4))),i.bitXorAssign(n),i.subAssign(Jb(n,Gi(14))),s.bitXorAssign(i),s.subAssign(Jb(i,Gi(24))),s})).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),rT=Ui((([e])=>{const t=ki(e).toVar();return Oi(t).div(Oi(ki(Gi(4294967295))))})).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),sT=Ui((([e])=>{const t=Oi(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"}]}),iT=Nf([Ui((([e])=>{const t=Gi(e).toVar(),r=ki(ki(1)).toVar(),s=ki(ki(Gi(3735928559)).add(r.shiftLeft(ki(2))).add(ki(13))).toVar();return tT(s.add(ki(t)),s,s)})).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),Ui((([e,t])=>{const r=Gi(t).toVar(),s=Gi(e).toVar(),i=ki(ki(2)).toVar(),n=ki().toVar(),o=ki().toVar(),a=ki().toVar();return n.assign(o.assign(a.assign(ki(Gi(3735928559)).add(i.shiftLeft(ki(2))).add(ki(13))))),n.addAssign(ki(s)),o.addAssign(ki(r)),tT(n,o,a)})).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Ui((([e,t,r])=>{const s=Gi(r).toVar(),i=Gi(t).toVar(),n=Gi(e).toVar(),o=ki(ki(3)).toVar(),a=ki().toVar(),u=ki().toVar(),l=ki().toVar();return a.assign(u.assign(l.assign(ki(Gi(3735928559)).add(o.shiftLeft(ki(2))).add(ki(13))))),a.addAssign(ki(n)),u.addAssign(ki(i)),l.addAssign(ki(s)),tT(a,u,l)})).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),Ui((([e,t,r,s])=>{const i=Gi(s).toVar(),n=Gi(r).toVar(),o=Gi(t).toVar(),a=Gi(e).toVar(),u=ki(ki(4)).toVar(),l=ki().toVar(),d=ki().toVar(),c=ki().toVar();return l.assign(d.assign(c.assign(ki(Gi(3735928559)).add(u.shiftLeft(ki(2))).add(ki(13))))),l.addAssign(ki(a)),d.addAssign(ki(o)),c.addAssign(ki(n)),eT(l,d,c),l.addAssign(ki(i)),tT(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"}]}),Ui((([e,t,r,s,i])=>{const n=Gi(i).toVar(),o=Gi(s).toVar(),a=Gi(r).toVar(),u=Gi(t).toVar(),l=Gi(e).toVar(),d=ki(ki(5)).toVar(),c=ki().toVar(),h=ki().toVar(),p=ki().toVar();return c.assign(h.assign(p.assign(ki(Gi(3735928559)).add(d.shiftLeft(ki(2))).add(ki(13))))),c.addAssign(ki(l)),h.addAssign(ki(u)),p.addAssign(ki(a)),eT(c,h,p),c.addAssign(ki(o)),h.addAssign(ki(n)),tT(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"}]})]),nT=Nf([Ui((([e,t])=>{const r=Gi(t).toVar(),s=Gi(e).toVar(),i=ki(iT(s,r)).toVar(),n=Ki().toVar();return n.x.assign(i.bitAnd(Gi(255))),n.y.assign(i.shiftRight(Gi(8)).bitAnd(Gi(255))),n.z.assign(i.shiftRight(Gi(16)).bitAnd(Gi(255))),n})).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Ui((([e,t,r])=>{const s=Gi(r).toVar(),i=Gi(t).toVar(),n=Gi(e).toVar(),o=ki(iT(n,i,s)).toVar(),a=Ki().toVar();return a.x.assign(o.bitAnd(Gi(255))),a.y.assign(o.shiftRight(Gi(8)).bitAnd(Gi(255))),a.z.assign(o.shiftRight(Gi(16)).bitAnd(Gi(255))),a})).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),oT=Nf([Ui((([e])=>{const t=$i(e).toVar(),r=Gi().toVar(),s=Gi().toVar(),i=Oi(Gb(t.x,r)).toVar(),n=Oi(Gb(t.y,s)).toVar(),o=Oi(sT(i)).toVar(),a=Oi(sT(n)).toVar(),u=Oi(kb(Hb(iT(r,s),i,n),Hb(iT(r.add(Gi(1)),s),i.sub(1),n),Hb(iT(r,s.add(Gi(1))),i,n.sub(1)),Hb(iT(r.add(Gi(1)),s.add(Gi(1))),i.sub(1),n.sub(1)),o,a)).toVar();return Qb(u)})).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),Ui((([e])=>{const 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o=s.xr.getEnvironmentBlendMode();if("additive"===o?MT.set(0,0,0,1):"alpha-blend"===o&&MT.set(0,0,0,0),!0===s.autoClear||!0===n){const e=r.clearColorValue;e.r=MT.r,e.g=MT.g,e.b=MT.b,e.a=MT.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(e.r*=e.a,e.g*=e.a,e.b*=e.a),r.depthClearValue=s._clearDepth,r.stencilClearValue=s._clearStencil,r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let FT=0;class UT{constructor(e="",t=[],r=0,s=[]){this.name=e,this.bindings=t,this.index=r,this.bindingsReference=s,this.id=FT++}}class PT{constructor(e,t,r,s,i,n,o,a,u,l=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=l,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=o,this.updateAfterNodes=a,this.observer=u,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const 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0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class zT{constructor(e,t){this.name=e,this.members=t,this.output=!1}}class $T{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0}setValue(e){this.value=e}getValue(){return this.value}}class WT extends $T{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class HT extends $T{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class jT extends $T{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class qT extends $T{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class XT extends $T{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class KT extends $T{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=16,this.itemSize=4}}class YT extends $T{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class QT extends $T{constructor(e,t=new o){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class ZT extends WT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class JT extends HT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class e_ extends jT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class t_ extends qT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class r_ extends XT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return 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l_{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.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.flow={code:""},this.chaining=[],this.stack=uf(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new kT,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.useComparisonMethod=!1}getBindGroupsCache(){let e=o_.get(this.renderer);return void 0===e&&(e=new Tm,o_.set(this.renderer,e)),e}createRenderTarget(e,t,r){return new ne(e,t,r)}createCubeRenderTarget(e,t){return new Vh(e,t)}includes(e){return this.nodes.includes(e)}getOutputStructName(){}_getBindGroup(e,t){const r=this.getBindGroupsCache(),s=[];let i,n=!0;for(const e of t)s.push(e),n=n&&!0!==e.groupNode.shared;return n?(i=r.get(s),void 0===i&&(i=new UT(e,s,this.bindingsIndexes[e].group,s),r.set(s,i))):i=new UT(e,s,this.bindingsIndexes[e].group,s),i}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of Ds)for(const s in r[e]){const i=r[e][s];(t[s]||(t[s]=[])).push(...i)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort(((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order));for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t,r.index=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.includes(e)&&(this.nodes.push(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){!1===this.sequentialNodes.includes(e)&&this.sequentialNodes.push(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==Fs.NONE&&this.updateNodes.push(e.getSelf())}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==Fs.NONE&&this.updateBeforeNodes.push(e.getSelf()),r!==Fs.NONE&&this.updateAfterNodes.push(e.getSelf())}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===j||e.magFilter===Oe||e.magFilter===Ge||e.magFilter===U||e.minFilter===j||e.minFilter===Oe||e.minFilter===Ge||e.minFilter===U}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}getSharedContext(){return this.context,this.context}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new kT(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){console.warn("Abstract function.")}getInstanceIndex(){console.warn("Abstract function.")}getDrawIndex(){console.warn("Abstract function.")}getFrontFacing(){console.warn("Abstract function.")}getFragCoord(){console.warn("Abstract 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n>=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${u_(n.r)}, ${u_(n.g)}, ${u_(n.b)} )`;const o=this.getTypeLength(i),a=this.getComponentType(i),u=e=>this.generateConst(a,e);if(2===o)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===o)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===o&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(o>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(o>4)return`${this.getType(i)}()`;throw new Error(`NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new IT(e,t);return r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;if(e.isDataTexture){if(t===T)return"int";if(t===b)return"uint"}return"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=vs(e);const 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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 o=this.uniforms.index++;n=new LT(s||"nodeUniform"+o,t,e),this.uniforms[r].push(n),i.uniform=n}return n}getArrayCount(e){let t=null;return e.isArrayNode?t=e.count:e.isVarNode&&e.node.isArrayNode&&(t=e.node.count),t}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s);let o=n.variable;if(void 0===o){const a=i?"_const":"_var",u=this.vars[s]||(this.vars[s]=[]),l=this.vars[a]||(this.vars[a]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+l,this.vars[a]++);const d=this.getArrayCount(e);o=new DT(t,r,i,d),i||u.push(o),n.variable=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)){const s=this.getDataFromNode(e,"any");let i=s.varying;if(void 0===i){const e=this.varyings,n=e.length;null===t&&(t="nodeVarying"+n),i=new VT(t,r),e.push(i),s.varying=i}return i}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 OT("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 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s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.cache,n=this.buildStage,o=this.stack,a={code:""};this.flow=a,this.vars={},this.cache=new kT,this.stack=uf();for(const r of Ls)this.setBuildStage(r),a.result=e.build(this,t);return a.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.cache=i,this.stack=o,this.setBuildStage(n),a}getFunctionOperator(){return null}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.shaderStage;this.setShaderStage(e);const n=this.flowChildNode(t,r);return null!==s&&(n.code+=`${this.tab+s} = ${n.result};\n`),this.flowCode[e]=this.flowCode[e]+n.code,this.setShaderStage(i),n}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){console.warn("Abstract function.")}getVaryings(){console.warn("Abstract 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Ls){this.setBuildStage(e),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const t of Ds){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(e,t){if("float"===t||"int"===t||"uint"===t)return new ZT(e);if("vec2"===t||"ivec2"===t||"uvec2"===t)return new JT(e);if("vec3"===t||"ivec3"===t||"uvec3"===t)return new e_(e);if("vec4"===t||"ivec4"===t||"uvec4"===t)return new t_(e);if("color"===t)return new r_(e);if("mat2"===t)return new s_(e);if("mat3"===t)return new i_(e);if("mat4"===t)return new n_(e);throw new Error(`Uniform "${t}" not declared.`)}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)}( ${e} )`:s>i?this.format(`${e}.${"xyz".slice(0,i)}`,this.getTypeFromLength(i,this.getComponentType(t)),r):4===i&&s>1?`${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)}( ${e} )`)}getSignature(){return`// Three.js r${ze} - Node System\n`}createNodeMaterial(e="NodeMaterial"){throw new Error(`THREE.NodeBuilder: createNodeMaterial() was deprecated. Use new ${e}() instead.`)}}class d_{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={renderMap:new WeakMap,frameMap:new WeakMap},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Fs.FRAME){const{frameMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.frameId&&!1!==e.updateBefore(this)&&t.set(r,this.frameId)}else if(t===Fs.RENDER){const{renderMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.renderId&&!1!==e.updateBefore(this)&&t.set(r,this.renderId)}else t===Fs.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Fs.FRAME){const{frameMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.frameId&&!1!==e.updateAfter(this)&&t.set(r,this.frameId)}else if(t===Fs.RENDER){const{renderMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.renderId&&!1!==e.updateAfter(this)&&t.set(r,this.renderId)}else t===Fs.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Fs.FRAME){const{frameMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.frameId&&!1!==e.update(this)&&t.set(r,this.frameId)}else if(t===Fs.RENDER){const{renderMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.renderId&&!1!==e.update(this)&&t.set(r,this.renderId)}else t===Fs.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 c_{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}c_.isNodeFunctionInput=!0;class h_ extends Bb{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:jx(this.light),lightColor:e}}}const p_=new o,g_=new o;let m_=null;class f_ extends Bb{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=fn(new r).setGroup(pn),this.halfWidth=fn(new r).setGroup(pn),this.updateType=Fs.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;g_.identity(),p_.copy(t.matrixWorld),p_.premultiply(r),g_.extractRotation(p_),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(g_),this.halfHeight.value.applyMatrix4(g_)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=Vu(m_.LTC_FLOAT_1),r=Vu(m_.LTC_FLOAT_2)):(t=Vu(m_.LTC_HALF_1),r=Vu(m_.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:Hx(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){m_=e}}class y_ extends Bb{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=fn(0).setGroup(pn),this.penumbraCosNode=fn(0).setGroup(pn),this.cutoffDistanceNode=fn(0).setGroup(pn),this.decayExponentNode=fn(0).setGroup(pn)}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){const{coneCosNode:t,penumbraCosNode:r}=this;return Ea(t,r,e)}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),o=n.normalize(),a=o.dot(jx(i)),u=this.getSpotAttenuation(a),l=n.length(),d=Fb({lightDistance:l,cutoffDistance:r,decayExponent:s});let c=t.mul(u).mul(d);if(i.map){const t=zx(i,e.context.positionWorld),r=Vu(i.map,t.xy).onRenderUpdate((()=>i.map));c=t.mul(2).sub(1).abs().lessThan(1).all().select(c.mul(r),c)}return{lightColor:c,lightDirection:o}}}class x_ extends y_{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e){const t=this.light.iesMap;let r=null;if(t&&!0===t.isTexture){const s=e.acos().mul(1/Math.PI);r=Vu(t,$i(s,0),0).r}else r=super.getSpotAttenuation(e);return r}}class b_ extends Bb{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class T_ extends Bb{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=$x(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=fn(new e).setGroup(pn)}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=Pl.dot(s).mul(.5).add(.5),n=Na(r,t,i);e.context.irradiance.addAssign(n)}}class __ extends Bb{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=Wu(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=CT(Il,this.lightProbe);e.context.irradiance.addAssign(t)}}class v_{parseFunction(){console.warn("Abstract function.")}}class N_{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){console.warn("Abstract function.")}}N_.isNodeFunction=!0;const S_=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,R_=/[a-z_0-9]+/gi,A_="#pragma main";class E_ extends N_{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:o,headerCode:a}=(e=>{const t=(e=e.trim()).indexOf(A_),r=-1!==t?e.slice(t+12):e,s=r.match(S_);if(null!==s&&5===s.length){const i=s[4],n=[];let o=null;for(;null!==(o=R_.exec(i));)n.push(o);const a=[];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];a.push(new c_(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:a,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=o,this.headerCode=a}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:o}=this;let a=`${s} ${e} ( ${i.trim()} )`;""!==o&&(a=`${o} ${a}`),t=n+a+r}else t="";return t}}class C_ extends v_{parseFunction(e){return new E_(e)}}const w_=new WeakMap,M_=[],B_=[];class F_ extends Rm{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new d_,this.nodeBuilderCache=new Map,this.callHashCache=new Tm,this.groupsData=new Tm,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===gn.name)return!0;if(r===pn.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===hn.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}M_[0]=t,M_[1]=e;let s=this.groupsData.get(M_);return void 0===s&&this.groupsData.set(M_,s={}),M_.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=this.backend.createNodeBuilder(e.object,this.renderer);t.scene=e.scene,t.material=e.material,t.camera=e.camera,t.context.material=e.material,t.lightsNode=e.lightsNode,t.environmentNode=this.getEnvironmentNode(e.scene),t.fogNode=this.getFogNode(e.scene),t.clippingContext=e.clippingContext,t.build(),r=this._createNodeBuilderState(t),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 PT(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){M_[0]=e,M_[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(M_)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&B_.push(t.getCacheKey(!0)),i&&B_.push(i.getCacheKey()),n&&B_.push(n.getCacheKey()),B_.push(this.renderer.shadowMap.enabled?1:0),s.callId=r,s.cacheKey=fs(B_),this.callHashCache.set(M_,s),B_.length=0}return M_.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===K||r.mapping===Y||r.mapping===oe){if(e.backgroundBlurriness>0||r.mapping===oe)return Gg(r);{let e;return e=!0===r.isCubeTexture?Ql(r):Vu(r),$h(e)}}if(!0===r.isTexture)return Vu(r,jc.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&console.error("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=ed("color","color",r).setGroup(pn),t=ed("density","float",r).setGroup(pn);return _x(e,Tx(t))}if(r.isFog){const e=ed("color","color",r).setGroup(pn),t=ed("near","float",r).setGroup(pn),s=ed("far","float",r).setGroup(pn);return _x(e,bx(t,s))}console.error("THREE.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?Ql(r):!0===r.isTexture?Vu(r):void console.error("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}hasOutputChange(e){return w_.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=Vu(e,jc).renderOutput(t.toneMapping,t.currentColorSpace);return w_.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 d_,this.nodeBuilderCache=new Map,this.cacheLib={}}}const U_=new we;class P_{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++){U_.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=U_.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=U_.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 o,a;if(this.clipIntersection?(o=this.intersectionPlanes,a=e.intersectionPlanes.length):(o=this.unionPlanes,a=e.unionPlanes.length),o.length!==a+n){o.length=a+n;for(let e=0;e<n;e++)o[a+e]=new s;r=!0}this.projectPlanes(i,o,a),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 P_(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class I_{constructor(e,t){this.bundleGroup=e,this.camera=t}}const L_=[];class D_{constructor(){this.bundles=new Tm}get(e,t){const r=this.bundles;L_[0]=e,L_[1]=t;let s=r.get(L_);return void 0===s&&(s=new I_(e,t),r.set(L_,s)),L_.length=0,s}dispose(){this.bundles=new Tm}}class V_{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))console.warn(`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))console.warn(`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 O_=new Kx,G_=[];class k_ extends Tm{constructor(){super()}createNode(e=[]){return(new Kx).setLights(e)}getNode(e,t){if(e.isQuadMesh)return O_;G_[0]=e,G_[1]=t;let r=this.get(G_);return void 0===r&&(r=this.createNode(),this.set(G_,r)),G_.length=0,r}}class z_ extends ne{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this.hasExternalTextures=!1,this.autoAllocateDepthBuffer=!0}copy(e){return super.copy(e),this.hasExternalTextures=e.hasExternalTextures,this.autoAllocateDepthBuffer=e.autoAllocateDepthBuffer,this}}const $_=new r,W_=new r;class H_ extends a{constructor(e){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new ue,this._cameraL.viewport=new s,this._cameraR=new ue,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new $e,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=q_.bind(this),this._onSessionEnd=X_.bind(this),this._onInputSourcesChange=K_.bind(this),this._onAnimationFrame=Y_.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._useLayers="undefined"!=typeof XRWebGLBinding&&"createProjectionLayer"in XRWebGLBinding.prototype}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&&console.warn("THREE.XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&console.warn("THREE.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}getFrame(){return this._xrFrame}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend,s=t.getContext();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._useLayers){let r=null,i=null,n=null;t.depth&&(n=t.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=t.stencil?Re:Ae,i=t.stencil?Ee:b);const o={colorFormat:s.RGBA8,depthFormat:n,scaleFactor:this._framebufferScaleFactor},a=new XRWebGLBinding(e,s),u=a.createProjectionLayer(o);this._glBinding=a,this._glProjLayer=u,e.updateRenderState({layers:[u]}),t.setPixelRatio(1),t.setSize(u.textureWidth,u.textureHeight,!1),this._xrRenderTarget=new z_(u.textureWidth,u.textureHeight,{format:de,type:Ce,colorSpace:t.outputColorSpace,depthTexture:new P(u.textureWidth,u.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,r),stencilBuffer:t.stencil,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues}),this._xrRenderTarget.hasExternalTextures=!0}else{const r={antialias:t.samples>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.setSize(i.framebufferWidth,i.framebufferHeight,!1),this._xrRenderTarget=new z_(i.framebufferWidth,i.framebufferHeight,{format:de,type:Ce,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues})}this.setFoveation(this.getFoveation()),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),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,o=this._cameraR;i.near=o.near=n.near=r,i.far=o.far=n.far=s,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),n.layers.mask=2|e.layers.mask,o.layers.mask=4|e.layers.mask,i.layers.mask=n.layers.mask|o.layers.mask;const a=e.parent,u=i.cameras;j_(i,a);for(let e=0;e<u.length;e++)j_(u[e],a);2===u.length?function(e,t,r){$_.setFromMatrixPosition(t.matrixWorld),W_.setFromMatrixPosition(r.matrixWorld);const s=$_.distanceTo(W_),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,o=i[14]/(i[10]-1),a=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=o*d,p=o*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=o+g,r=a+g,i=h-m,n=p+(s-m),d=u*a/r*t,c=l*a/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,o):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*He*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,a)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new We,this._controllers[e]=t),t}}function j_(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function q_(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 X_(){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))}this._currentDepthNear=null,this._currentDepthFar=null,t.backend.setXRTarget(null),t.setOutputRenderTarget(null),this._session=null,this._xrRenderTarget=null,this.isPresenting=!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 K_(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 o=t[n];o&&o.connect(i)}}function Y_(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,o=this._glBaseLayer,a=this.getReferenceSpace(),u=t.getViewerPose(a);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(o.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const a=e[i];let u;if(!0===this._useLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,a);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues?void 0:e.depthStencilTexture)}else u=o.getViewport(a);let l=this._cameras[i];void 0===l&&(l=new ue,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(a.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(a.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,a)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}const Q_=new H,Z_=new t,J_=new s,ev=new Xe,tv=new o,rv=new s;class sv{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:i=!0,depth:n=!0,stencil:o=!1,antialias:a=!1,samples:u=0,getFallback:l=null,colorBufferType:d=le}=t;this.domElement=e.getDomElement(),this.backend=e,this.samples=u||!0===a?4:0,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.outputColorSpace=G,this.toneMapping=p,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=o,this.info=new Im,this.nodes={modelViewMatrix:null,modelNormalViewMatrix:null},this.library=new V_,this.lighting=new k_,this._getFallback=l,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._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 ey(new Nh),this._quad.material.name="Renderer_output",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const c=!0===this.alpha?0:1;this._clearColor=new nf(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._colorBufferType=d,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,type:je},this.xr=new H_(this),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(e,t,this._renderTarget),n=e.overrideMaterial||r.material,o=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:a,vertexShader:u}=o.getNodeBuilderState();return{fragmentShader:a,vertexShader:u}}}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");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 F_(this,r),this._animation=new bm(this._nodes,this.info),this._attributes=new Bm(r),this._background=new BT(this,this._nodes),this._geometries=new Pm(this._attributes,this.info),this._textures=new sf(this,r,this.info),this._pipelines=new km(r,this._nodes),this._bindings=new zm(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Sm(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Xm(this.lighting),this._bundles=new D_,this._renderContexts=new tf,this._animation.start(),this._initialized=!0,e(this)}))),this._initPromise}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,o=this._currentRenderObjectFunction,a=this._compilationPromises,u=!0===e.isScene?e:Q_;null===r&&(r=e);const l=this._renderTarget,d=this._renderContexts.get(r,t,l),c=this._activeMipmapLevel,h=[];this._currentRenderContext=d,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=h,s.renderId++,s.update(),d.depth=this.depth,d.stencil=this.stencil,d.clippingContext||(d.clippingContext=new P_),d.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,l);const p=this._renderLists.get(e,t);if(p.begin(),this._projectObject(e,t,0,p,d.clippingContext),r!==e&&r.traverseVisible((function(e){e.isLight&&e.layers.test(t.layers)&&p.pushLight(e)})),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const e=this._textures.get(l);d.textures=e.textures,d.depthTexture=e.depthTexture}else d.textures=null,d.depthTexture=null;this._background.update(u,p,d);const g=p.opaque,m=p.transparent,f=p.transparentDoublePass,y=p.lightsNode;!0===this.opaque&&g.length>0&&this._renderObjects(g,t,u,y),!0===this.transparent&&m.length>0&&this._renderTransparents(m,f,t,u,y),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=o,this._compilationPromises=a,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(h)}async renderAsync(e,t){!1===this._initialized&&await this.init(),this._renderScene(e,t)}async waitForGPU(){await this.backend.waitForGPU()}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getColorBufferType(){return this._colorBufferType}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),console.error(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,o=this._currentRenderContext,a=this._bundles.get(s,i),u=this.backend.get(a);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(o)||l;if(u.renderContexts.add(o),d){this.backend.beginBundle(o),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=a;const e=n.opaque;!0===this.opaque&&e.length>0&&this._renderObjects(e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(o,a),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(o,a)}render(e,t){if(!1===this._initialized)return console.warn("THREE.Renderer: .render() called before the backend is initialized. Try using .renderAsync() instead."),this.renderAsync(e,t);this._renderScene(e,t)}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this;if(!1===(e!==p)&&!1===(t!==ce))return null;const{width:r,height:s}=this.getDrawingBufferSize(Z_),{depth:i,stencil:n}=this;let o=this._frameBufferTarget;return null===o&&(o=new ne(r,s,{depthBuffer:i,stencilBuffer:n,type:this._colorBufferType,format:de,colorSpace:ce,generateMipmaps:!1,minFilter:j,magFilter:j,samples:this.samples}),o.isPostProcessingRenderTarget=!0,this._frameBufferTarget=o),o.depthBuffer=i,o.stencilBuffer=n,o.setSize(r,s),o.viewport.copy(this._viewport),o.scissor.copy(this._scissor),o.viewport.multiplyScalar(this._pixelRatio),o.scissor.multiplyScalar(this._pixelRatio),o.scissorTest=this._scissorTest,o}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,o=this._currentRenderContext,a=this._currentRenderObjectFunction,u=!0===e.isScene?e:Q_,l=this._renderTarget||this._outputRenderTarget,d=this._activeCubeFace,c=this._activeMipmapLevel;let h;null!==s?(h=s,this.setRenderTarget(h)):h=l;const p=this._renderContexts.get(e,t,h);this._currentRenderContext=p,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls;const g=this.coordinateSystem,m=this.xr;if(t.coordinateSystem!==g&&!1===m.isPresenting&&(t.coordinateSystem=g,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=g,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===m.enabled&&!0===m.isPresenting&&(!0===m.cameraAutoUpdate&&m.updateCamera(t),t=m.getCamera());let f=this._viewport,y=this._scissor,x=this._pixelRatio;null!==h&&(f=h.viewport,y=h.scissor,x=1),this.getDrawingBufferSize(Z_),J_.set(0,0,Z_.width,Z_.height);const b=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;p.viewportValue.copy(f).multiplyScalar(x).floor(),p.viewportValue.width>>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=b,p.viewportValue.maxDepth=T,p.viewport=!1===p.viewportValue.equals(J_),p.scissorValue.copy(y).multiplyScalar(x).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(J_),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new P_),p.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,h),tv.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),ev.setFromProjectionMatrix(tv,g);const _=this._renderLists.get(e,t);if(_.begin(),this._projectObject(e,t,0,_,p.clippingContext),_.finish(),!0===this.sortObjects&&_.sort(this._opaqueSort,this._transparentSort),null!==h){this._textures.updateRenderTarget(h,c);const e=this._textures.get(h);p.textures=e.textures,p.depthTexture=e.depthTexture,p.width=e.width,p.height=e.height,p.renderTarget=h,p.depth=h.depthBuffer,p.stencil=h.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=d,p.activeMipmapLevel=c,p.occlusionQueryCount=_.occlusionQueryCount,this._background.update(u,_,p),this.backend.beginRender(p);const{bundles:v,lightsNode:N,transparentDoublePass:S,transparent:R,opaque:A}=_;return v.length>0&&this._renderBundles(v,u,N),!0===this.opaque&&A.length>0&&this._renderObjects(A,t,u,N),!0===this.transparent&&R.length>0&&this._renderTransparents(R,S,t,u,N),this.backend.finishRender(p),i.renderId=n,this._currentRenderContext=o,this._currentRenderObjectFunction=a,null!==s&&(this.setRenderTarget(l,d,c),this._renderOutput(h)),u.onAfterRender(this,e,t,h),p}_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)}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}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._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._initialized&&this.backend.updateSize()}setSize(e,t,r=!0){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._initialized&&this.backend.updateSize()}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}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,this.backend.setScissorTest(e)}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const o=this._viewport;e.isVector4?o.copy(e):o.set(e,t,r,s),o.minDepth=i,o.maxDepth=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)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(e,t,r);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.getForClear(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,i.clearColorValue=this.backend.getClearColor()}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){!1===this._initialized&&await this.init(),this.clear(e,t,r)}async clearColorAsync(){this.clearAsync(!0,!1,!1)}async clearDepthAsync(){this.clearAsync(!1,!0,!1)}async clearStencilAsync(){this.clearAsync(!1,!1,!0)}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:p}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:ce}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.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}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return console.warn("THREE.Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e);const t=this._nodes.nodeFrame,r=t.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,t.renderId=this.info.calls;const s=this.backend,i=this._pipelines,n=this._bindings,o=this._nodes,a=Array.isArray(e)?e:[e];if(void 0===a[0]||!0!==a[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");s.beginCompute(e);for(const t of a){if(!1===i.has(t)){const e=()=>{t.removeEventListener("dispose",e),i.delete(t),n.delete(t),o.delete(t)};t.addEventListener("dispose",e);const r=t.onInitFunction;null!==r&&r.call(t,{renderer:this})}o.updateForCompute(t),n.updateForCompute(t);const r=n.getForCompute(t),a=i.getForCompute(t,r);s.compute(e,t,r,a)}s.finishCompute(e),t.renderId=r}async computeAsync(e){!1===this._initialized&&await this.init(),this.compute(e)}async hasFeatureAsync(e){return!1===this._initialized&&await this.init(),this.backend.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){!1===this._initialized&&await this.init(),this._textures.updateTexture(e)}initTexture(e){!1===this._initialized&&console.warn("THREE.Renderer: .initTexture() called before the backend is initialized. Try using .initTextureAsync() instead."),this._textures.updateTexture(e)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=rv.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void console.error("THREE.Renderer.copyFramebufferToTexture: Invalid rectangle.");t=rv.copy(t).floor()}else t=rv.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)}copyTextureToTexture(e,t,r=null,s=null,i=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,o=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,o)}_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){if(!e.frustumCulled||ev.intersectsSprite(e)){!0===this.sortObjects&&rv.setFromMatrixPosition(e.matrixWorld).applyMatrix4(tv);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,rv.z,null,i)}}else if(e.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||ev.intersectsObject(e))){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),rv.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(tv)),Array.isArray(n)){const o=t.groups;for(let a=0,u=o.length;a<u;a++){const u=o[a],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,rv.z,u,i)}}else n.visible&&s.push(e,t,n,r,rv.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,o=n.length;e<o;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=v;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=qe;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=Ne}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,o=e.length;n<o;n++){const{object:o,geometry:a,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(o,r,t,a,u,l,s,d,i)}}renderObject(e,t,r,s,i,n,o,a=null,u=null){let l,d,c;if(e.onBeforeRender(this,t,r,s,i,n),null!==t.overrideMaterial){const e=t.overrideMaterial;i.positionNode&&i.positionNode.isNode&&(l=e.positionNode,e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0,e.isShadowPassMaterial&&(e.side=null===i.shadowSide?i.side:i.shadowSide,i.depthNode&&i.depthNode.isNode&&(c=e.depthNode,e.depthNode=i.depthNode),i.castShadowNode&&i.castShadowNode.isNode&&(d=e.colorNode,e.colorNode=i.castShadowNode)),i=e}!0===i.transparent&&i.side===Ne&&!1===i.forceSinglePass?(i.side=v,this._handleObjectFunction(e,i,t,r,o,n,a,"backSide"),i.side=qe,this._handleObjectFunction(e,i,t,r,o,n,a,u),i.side=Ne):this._handleObjectFunction(e,i,t,r,o,n,a,u),void 0!==l&&(t.overrideMaterial.positionNode=l),void 0!==c&&(t.overrideMaterial.depthNode=c),void 0!==d&&(t.overrideMaterial.colorNode=d),e.onAfterRender(this,t,r,s,i,n)}_renderObjectDirect(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);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,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);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)}get compile(){return this.compileAsync}}class iv{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}clone(){return Object.assign(new this.constructor,this)}}class nv extends iv{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t}get byteLength(){return(e=this._buffer.byteLength)+(Mm-e%Mm)%Mm;var e}get buffer(){return this._buffer}update(){return!0}}class ov extends nv{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let av=0;class uv extends ov{constructor(e,t){super("UniformBuffer_"+av++,e?e.value:null),this.nodeUniform=e,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class lv extends ov{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[]}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(){let e=0;for(let t=0,r=this.uniforms.length;t<r;t++){const r=this.uniforms[t],{boundary:s,itemSize:i}=r,n=e%Mm;0!==n&&Mm-n-s<0?e+=Mm-n:n%s!=0&&(e+=n%s),r.offset=e/this.bytesPerElement,e+=i*this.bytesPerElement}return Math.ceil(e/Mm)*Mm}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 console.error("THREE.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}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 e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,t=!0}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 e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,t=!0}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 e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,e[i+3]=r[i+3]=s.w,t=!0}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 e=this.buffer;e[i+0]=r[i+0]=s.r,e[i+1]=r[i+1]=s.g,e[i+2]=r[i+2]=s.b,t=!0}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 e=this.buffer;e[i+0]=r[i+0]=s[0],e[i+1]=r[i+1]=s[1],e[i+2]=r[i+2]=s[2],e[i+4]=r[i+4]=s[3],e[i+5]=r[i+5]=s[4],e[i+6]=r[i+6]=s[5],e[i+8]=r[i+8]=s[6],e[i+9]=r[i+9]=s[7],e[i+10]=r[i+10]=s[8],t=!0}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}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 dv=0;class cv extends lv{constructor(e,t){super(e),this.id=dv++,this.groupNode=t,this.isNodeUniformsGroup=!0}}let hv=0;class pv extends iv{constructor(e,t){super(e),this.id=hv++,this.texture=t,this.version=t?t.version:0,this.store=!1,this.generation=null,this.isSampledTexture=!0}needsBindingsUpdate(e){const{texture:t}=this;return e!==this.generation?(this.generation=e,!0):t.isVideoTexture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}}class gv extends pv{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}needsBindingsUpdate(e){return this.textureNode.value!==this.texture||super.needsBindingsUpdate(e)}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class mv extends gv{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class fv extends gv{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const yv={textureDimensions:"textureSize",equals:"equal"},xv={low:"lowp",medium:"mediump",high:"highp"},bv={swizzleAssign:!0,storageBuffer:!1},Tv="\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;\n";class _v extends l_{constructor(e,t){super(e,t,new C_),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]},this.useComparisonMethod=!0}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}getMethod(e){return yv[e]||e}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 ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?Ye:Qe;2===s?n=i?Ze:Le:3===s?n=i?Je:et:4===s&&(n=i?tt:de);const o={Float32Array:B,Uint8Array:Ce,Uint16Array:rt,Uint32Array:b,Int8Array:st,Int16Array:it,Int32Array:T,Uint8ClampedArray:Ce},a=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/a);a*u*s<r&&u++;const l=a*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new Ke(t.array,a,u,n,o[t.array.constructor.name]||B);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Du(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.label)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?t.charAt(0)+"_"+e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.label),n=this.getPropertyName(i);this.increaseUsage(r);const o=r.build(this,"uint"),a=this.getDataFromNode(e);let u=a.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+Vs.join("").slice(0,d),h=`ivec2(${o} % ${l}, ${o} / ${l})`,p=this.generateTextureLoad(null,n,h,null,"0");let g="vec4";s.pbo.type===b?g="uvec4":s.pbo.type===T&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),a.propertyName=u}return u}generateTextureLoad(e,t,r,s,i="0"){return s?`texelFetch( ${t}, ivec3( ${r}, ${s} ), ${i} )`:`texelFetch( ${t}, ${r}, ${i} )`}generateTexture(e,t,r,s){return e.isDepthTexture?`texture( ${t}, ${r} ).x`:(s&&(r=`vec3( ${r}, ${s} )`),`texture( ${t}, ${r} )`)}generateTextureLevel(e,t,r,s){return`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s){return`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s){return`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`texture( ${t}, vec3( ${r}, ${s} ) )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const i of t){let t=null,n=!1;if("texture"===i.type||"texture3D"===i.type){const e=i.node.value;let r="";!0!==e.isDataTexture&&!0!==e.isData3DTexture||(e.type===b?r="u":e.type===T&&(r="i")),t="texture3D"===i.type?`${r}sampler3D ${i.name};`:e.compareFunction?`sampler2DShadow ${i.name};`:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?`${r}sampler2DArray ${i.name};`:`${r}sampler2D ${i.name};`}else if("cubeTexture"===i.type)t=`samplerCube ${i.name};`;else if("buffer"===i.type){const e=i.node,r=this.getType(e.bufferType),s=e.bufferCount,n=s>0?s:"";t=`${e.name} {\n\t${r} ${i.name}[${n}];\n};\n`}else{t=`${this.getVectorType(i.type)} ${this.getPropertyName(i,e)};`,n=!0}const o=i.node.precision;if(null!==o&&(t=xv[o]+" "+t),n){t="\t"+t;const e=i.groupNode.name;(s[e]||(s[e]=[])).push(t)}else t="uniform "+t,r.push(t)}let i="";for(const t in s){const r=s[t];i+=this._getGLSLUniformStruct(e+"_"+t,r.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==T){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} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return 0===s.length&&s.push("layout( location = 0 ) out vec4 fragColor;"),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation){t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""} out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);t+=`${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`}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=bv[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)}bv[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[ ${e} ]`)}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);t+=`${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${Tv}\n\n// uniforms\n${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${this.getSignature()}\n\n// precision\n${Tv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\n// structs\n${e.structs}\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 o=n.uniformGPU;if(void 0===o){const s=e.groupNode,a=s.name,u=this.getBindGroupArray(a,r);if("texture"===t)o=new gv(i.name,i.node,s),u.push(o);else if("cubeTexture"===t)o=new mv(i.name,i.node,s),u.push(o);else if("texture3D"===t)o=new fv(i.name,i.node,s),u.push(o);else if("buffer"===t){e.name=`NodeBuffer_${e.id}`,i.name=`buffer${e.id}`;const t=new uv(e,s);t.name=e.name,u.push(t),o=t}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new cv(r+"_"+a,s),e[a]=n,u.push(n)),o=this.getNodeUniform(i,t),n.addUniform(o)}n.uniformGPU=o}return i}}let vv=null,Nv=null;class Sv{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={render:null,compute:null}}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}destroySampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void nt("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return void nt(`WebGPURenderer: No timestamp query pool for type '${e}' found.`);const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async waitForGPU(){}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return vv=vv||new t,this.renderer.getDrawingBufferSize(vv)}setScissorTest(){}getClearColor(){const e=this.renderer;return Nv=Nv||new nf,e.getClearColor(Nv),Nv.getRGB(Nv),Nv}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:ot(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${ze} webgpu`),this.domElement=e),e}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)}dispose(){}}let Rv,Av,Ev=0;class Cv{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 wv{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,o=e.isInterleavedBufferAttribute?e.data:e,a=r.get(o);let u,l=a.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),a.bufferGPU=l,a.bufferType=t,a.version=o.version),i instanceof Float32Array)u=s.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===T,id:Ev++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new Cv(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),o=n.bufferType,a=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(o,n.bufferGPU),0===a.length)r.bufferSubData(o,0,s);else{for(let e=0,t=a.length;e<t;e++){const t=a[e];r.bufferSubData(o,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(o,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,o=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const a=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.bufferData(r.COPY_WRITE_BUFFER,o,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,o),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(a),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 Mv{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;Rv={[at]:e.FUNC_ADD,[ut]:e.FUNC_SUBTRACT,[lt]:e.FUNC_REVERSE_SUBTRACT},Av={[dt]:e.ZERO,[ct]:e.ONE,[ht]:e.SRC_COLOR,[pt]:e.SRC_ALPHA,[gt]:e.SRC_ALPHA_SATURATE,[mt]:e.DST_COLOR,[ft]:e.DST_ALPHA,[yt]:e.ONE_MINUS_SRC_COLOR,[xt]:e.ONE_MINUS_SRC_ALPHA,[bt]:e.ONE_MINUS_DST_COLOR,[Tt]: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!==_t?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===vt?t.cullFace(t.BACK):e===Nt?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)}setBlending(e,t,r,s,i,n,o,a){const{gl:u}=this;if(e!==O){if(!1===this.currentBlendingEnabled&&(this.enable(u.BLEND),this.currentBlendingEnabled=!0),e===St)i=i||t,n=n||r,o=o||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(u.blendEquationSeparate(Rv[t],Rv[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&o===this.currentBlendDstAlpha||(u.blendFuncSeparate(Av[r],Av[s],Av[n],Av[o]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=o),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||a!==this.currentPremultipledAlpha){if(this.currentBlendEquation===at&&this.currentBlendEquationAlpha===at||(u.blendEquation(u.FUNC_ADD),this.currentBlendEquation=at,this.currentBlendEquationAlpha=at),a)switch(e){case L:u.blendFuncSeparate(u.ONE,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case Et:u.blendFunc(u.ONE,u.ONE);break;case At:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case Rt:u.blendFuncSeparate(u.ZERO,u.SRC_COLOR,u.ZERO,u.SRC_ALPHA);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case L:u.blendFuncSeparate(u.SRC_ALPHA,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case Et:u.blendFunc(u.SRC_ALPHA,u.ONE);break;case At:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case Rt:u.blendFunc(u.ZERO,u.SRC_COLOR);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=a}}else!0===this.currentBlendingEnabled&&(this.disable(u.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 It:t.depthFunc(t.NEVER);break;case Pt:t.depthFunc(t.ALWAYS);break;case Ut:t.depthFunc(t.LESS);break;case Ft:t.depthFunc(t.LEQUAL);break;case Bt:t.depthFunc(t.EQUAL);break;case Mt:t.depthFunc(t.GEQUAL);break;case wt:t.depthFunc(t.GREATER);break;case Ct: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?t.enable(t.SCISSOR_TEST):t.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===Ne?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===v;t&&(i=!i),this.setFlipSided(i),e.blending===L&&!1===e.transparent?this.setBlending(O):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.samples>1?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:o}=this;void 0===r&&(r=null===i?s.TEXTURE0+o-1:i);let a=n[r];void 0===a&&(a={type:void 0,texture:void 0},n[r]=a),a.type===e&&a.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),a.type=e,a.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 Bv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=x){const{gl:r,extensions:s}=this;let i;if(e===Ce)return r.UNSIGNED_BYTE;if(e===Lt)return r.UNSIGNED_SHORT_4_4_4_4;if(e===Dt)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Vt)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===st)return r.BYTE;if(e===it)return r.SHORT;if(e===rt)return r.UNSIGNED_SHORT;if(e===T)return r.INT;if(e===b)return r.UNSIGNED_INT;if(e===B)return r.FLOAT;if(e===le)return r.HALF_FLOAT;if(e===Ot)return r.ALPHA;if(e===et)return r.RGB;if(e===de)return r.RGBA;if(e===Gt)return r.LUMINANCE;if(e===kt)return r.LUMINANCE_ALPHA;if(e===Ae)return r.DEPTH_COMPONENT;if(e===Re)return r.DEPTH_STENCIL;if(e===Qe)return r.RED;if(e===Ye)return r.RED_INTEGER;if(e===Le)return r.RG;if(e===Ze)return r.RG_INTEGER;if(e===tt)return r.RGBA_INTEGER;if(e===zt||e===$t||e===Wt||e===Ht)if(t===G){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===zt)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===$t)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===Wt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===Ht)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===zt)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===$t)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===Wt)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===Ht)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===jt||e===qt||e===Xt||e===Kt){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===jt)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===qt)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===Xt)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===Kt)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===Yt||e===Qt||e===Zt){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===Yt||e===Qt)return t===G?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===Zt)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC}if(e===Jt||e===er||e===tr||e===rr||e===sr||e===ir||e===nr||e===or||e===ar||e===ur||e===lr||e===dr||e===cr||e===hr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===Jt)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===er)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===tr)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===rr)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===sr)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===ir)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===nr)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===or)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===ar)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===ur)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===lr)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===dr)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===cr)return t===G?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===hr)return t===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 t===G?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===gr||e===mr||e===fr||e===yr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===pr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===mr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===fr)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===yr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Ee?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 Fv,Uv,Pv,Iv=!1;class Lv{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},!1===Iv&&(this._init(),Iv=!0)}_init(){const e=this.gl;Fv={[xr]:e.REPEAT,[br]:e.CLAMP_TO_EDGE,[Tr]:e.MIRRORED_REPEAT},Uv={[_r]:e.NEAREST,[vr]:e.NEAREST_MIPMAP_NEAREST,[Ge]:e.NEAREST_MIPMAP_LINEAR,[j]:e.LINEAR,[Oe]:e.LINEAR_MIPMAP_NEAREST,[U]:e.LINEAR_MIPMAP_LINEAR},Pv={[Nr]:e.NEVER,[Sr]:e.ALWAYS,[Pe]:e.LESS,[Rr]:e.LEQUAL,[Ar]:e.EQUAL,[Er]:e.GEQUAL,[Cr]:e.GREATER,[wr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!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:o}=this;if(null!==e){if(void 0!==n[e])return n[e];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+e+"'")}let a=t;return t===n.RED&&(r===n.FLOAT&&(a=n.R32F),r===n.HALF_FLOAT&&(a=n.R16F),r===n.UNSIGNED_BYTE&&(a=n.R8),r===n.UNSIGNED_SHORT&&(a=n.R16),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.R8UI),r===n.UNSIGNED_SHORT&&(a=n.R16UI),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RG&&(r===n.FLOAT&&(a=n.RG32F),r===n.HALF_FLOAT&&(a=n.RG16F),r===n.UNSIGNED_BYTE&&(a=n.RG8),r===n.UNSIGNED_SHORT&&(a=n.RG16),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RG8UI),r===n.UNSIGNED_SHORT&&(a=n.RG16UI),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RGB&&(r===n.FLOAT&&(a=n.RGB32F),r===n.HALF_FLOAT&&(a=n.RGB16F),r===n.UNSIGNED_BYTE&&(a=n.RGB8),r===n.UNSIGNED_SHORT&&(a=n.RGB16),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I),r===n.UNSIGNED_BYTE&&(a=s===G&&!1===i?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(a=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(a=n.RGB9_E5)),t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGB8UI),r===n.UNSIGNED_SHORT&&(a=n.RGB16UI),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I)),t===n.RGBA&&(r===n.FLOAT&&(a=n.RGBA32F),r===n.HALF_FLOAT&&(a=n.RGBA16F),r===n.UNSIGNED_BYTE&&(a=n.RGBA8),r===n.UNSIGNED_SHORT&&(a=n.RGBA16),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I),r===n.UNSIGNED_BYTE&&(a=s===G&&!1===i?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1)),t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(a=n.RGBA16UI),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_SHORT&&(a=n.DEPTH_COMPONENT16),r===n.UNSIGNED_INT&&(a=n.DEPTH_COMPONENT24),r===n.FLOAT&&(a=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(a=n.DEPTH24_STENCIL8),a!==n.R16F&&a!==n.R32F&&a!==n.RG16F&&a!==n.RG32F&&a!==n.RGBA16F&&a!==n.RGBA32F||o.get("EXT_color_buffer_float"),a}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this;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,r.NONE),r.texParameteri(e,r.TEXTURE_WRAP_S,Fv[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,Fv[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||r.texParameteri(e,r.TEXTURE_WRAP_R,Fv[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,Uv[t.magFilter]);const n=void 0!==t.mipmaps&&t.mipmaps.length>0,o=t.minFilter===j&&n?U:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,Uv[o]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,Pv[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===_r)return;if(t.minFilter!==Ge&&t.minFilter!==U)return;if(t.type===B&&!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,isDefault:!0})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:o,depth:a}=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.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,o,a):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,o,a):e.isVideoTexture||r.texStorage2D(h,i,d,n,o),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:o,glType:a}=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,o,a,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:o,glFormat:a,glType:u,glInternalFormat:l}=this.backend.get(e);if(e.isRenderTargetTexture||void 0===n)return;const d=e=>e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||e instanceof OffscreenCanvas?e:e.data;if(this.backend.state.bindTexture(o,n),this.setTextureParameters(o,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!==a?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,n.data):console.warn("THREE.WebGLRenderer: 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,a,u,n.data):null!==a?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,a,n.data):console.warn("Unsupported compressed texture format")}}else if(e.isCubeTexture){const e=t.images;for(let t=0;t<6;t++){const n=d(e[t]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,0,0,s,i,a,u,n)}}else if(e.isDataArrayTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(o,0,l,a,u,t.image);else{const e=d(t.image);r.texSubImage2D(o,0,0,0,s,i,a,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){const{gl:t,backend:r}=this,{textureGPU:s,renderTarget:i}=r.get(e);this.deallocateRenderBuffers(i),t.deleteTexture(s),r.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){const{gl:n,backend:o}=this,{state:a}=this.backend,{textureGPU:u,glTextureType:l,glType:d,glFormat:c}=o.get(t);let h,p,g,m,f,y;null!==r?(h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.min.x,m=r.min.y):(h=e.image.width,p=e.image.height,g=0,m=0),null!==s?(f=s.x,y=s.y):(f=0,y=0),a.bindTexture(l,u),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(n.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(n.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment);const x=n.getParameter(n.UNPACK_ROW_LENGTH),b=n.getParameter(n.UNPACK_IMAGE_HEIGHT),T=n.getParameter(n.UNPACK_SKIP_PIXELS),_=n.getParameter(n.UNPACK_SKIP_ROWS),v=n.getParameter(n.UNPACK_SKIP_IMAGES),N=e.isCompressedTexture?e.mipmaps[i]:e.image;if(n.pixelStorei(n.UNPACK_ROW_LENGTH,N.width),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,N.height),n.pixelStorei(n.UNPACK_SKIP_PIXELS,g),n.pixelStorei(n.UNPACK_SKIP_ROWS,m),e.isRenderTargetTexture||e.isDepthTexture){const r=o.get(e),s=o.get(t),i=o.get(r.renderTarget),u=o.get(s.renderTarget),l=i.framebuffers[r.cacheKey],d=u.framebuffers[s.cacheKey];a.bindFramebuffer(n.READ_FRAMEBUFFER,l),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,d);let c=n.COLOR_BUFFER_BIT;e.isDepthTexture&&(c=n.DEPTH_BUFFER_BIT),n.blitFramebuffer(g,m,h,p,f,y,h,p,c,n.NEAREST),a.bindFramebuffer(n.READ_FRAMEBUFFER,null),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,null)}else e.isDataTexture?n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N.data):e.isCompressedTexture?n.compressedTexSubImage2D(n.TEXTURE_2D,i,f,y,N.width,N.height,c,N.data):n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N);n.pixelStorei(n.UNPACK_ROW_LENGTH,x),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,b),n.pixelStorei(n.UNPACK_SKIP_PIXELS,T),n.pixelStorei(n.UNPACK_SKIP_ROWS,_),n.pixelStorei(n.UNPACK_SKIP_IMAGES,v),0===i&&t.generateMipmaps&&n.generateMipmap(n.TEXTURE_2D),a.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:o,y:a,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!==o||0!==a;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-a-l;s.blitFramebuffer(o,p,o+u,p+l,o,p,o+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,o,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,o,c-l-a,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:o,depthBuffer:a,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),a&&!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?(o&&o.isDepthTexture&&o.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 a&&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))}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:o,gl:a}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=a.createFramebuffer();a.bindFramebuffer(a.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?a.TEXTURE_CUBE_MAP_POSITIVE_X+n:a.TEXTURE_2D;a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=a.createBuffer();a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.bufferData(a.PIXEL_PACK_BUFFER,g,a.STREAM_READ),a.readPixels(t,r,s,i,l,d,0),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),await o.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.getBufferSubData(a.PIXEL_PACK_BUFFER,0,f),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),a.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}}class Dv{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 Vv{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 Ov={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",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query"};class Gv{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:o,index:a}=this;0!==a?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),o.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:o,object:a,info:u}=this;0!==r&&(0!==o?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(a,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:o}=this;if(0===r)return;const a=s.get("WEBGL_multi_draw");if(null===a)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?a.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):a.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];o.update(n,s,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:o,info:a}=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];a.update(o,i,1)}}}class kv{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.pendingResolve=!1}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class zv extends kv{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 console.warn("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 nt(`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.id,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);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){console.error("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.id);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){console.error("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=[];for(const[t,r]of this.queryStates)if("ended"===r){const r=this.queries[t];e.push(this.resolveQuery(r))}if(0===e.length)return this.lastValue;const t=(await Promise.all(e)).reduce(((e,t)=>e+t),0);return this.lastValue=t,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,t}catch(e){return console.error("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){console.error("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 $v extends Sv{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.trackTimestamp=!0===e.trackTimestamp,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.samples>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 Dv(this),this.capabilities=new Vv(this),this.attributeUtils=new wv(this),this.textureUtils=new Lv(this),this.bufferRenderer=new Gv(this),this.state=new Mv(this),this.utils=new Bv(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.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile")}get coordinateSystem(){return l}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async waitForGPU(){await this.utils._clientWaitAsync()}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}),e.autoAllocateDepthBuffer=!1,!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&console.warn("THREE.WebGLBackend: Render-to-texture extension was disabled because an external texture was provided")}}initTimestampQuery(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t]||(this.timestampQueryPool[t]=new zv(this.gl,t,2048));const r=this.timestampQueryPool[t];null!==r.allocateQueriesForContext(e)&&r.beginQuery(e)}prepareTimestampBuffer(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t].endQuery(e)}getContext(){return this.gl}beginRender(e){const{state:t,gl:r}=this,s=this.get(e);if(e.viewport?this.updateViewport(e):t.viewport(0,0,r.drawingBufferWidth,r.drawingBufferHeight),e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}this.initTimestampQuery(e),s.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const i=e.occlusionQueryCount;i>0&&(s.currentOcclusionQueries=s.occlusionQueries,s.currentOcclusionQueryObjects=s.occlusionQueryObjects,s.lastOcclusionObject=null,s.occlusionQueries=new Array(i),s.occlusionQueryObjects=new Array(i),s.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 o=e.textures;if(null!==o)for(let e=0;e<o.length;e++){const t=o[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,null!==e.textures&&e.renderTarget){const s=this.get(e.renderTarget),{samples:i}=e.renderTarget;if(i>0&&!1===this._useMultisampledRTT(e.renderTarget)){const i=s.framebuffers[e.getCacheKey()],n=t.COLOR_BUFFER_BIT,o=s.msaaFrameBuffer,a=e.textures;r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,i);for(let r=0;r<a.length;r++)if(e.scissor){const{x:r,y:i,width:o,height:a}=e.scissorValue,u=e.height-a-i;t.blitFramebuffer(r,u,r+o,u+a,r,u,r+o,u+a,n,t.NEAREST),!0===this._supportsInvalidateFramebuffer&&t.invalidateSubFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray,r,u,o,a)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,n,t.NEAREST),!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray)}}null!==i&&(this._setFramebuffer(i),i.viewport?this.updateViewport(i):r.viewport(0,0,t.drawingBufferWidth,t.drawingBufferHeight)),this.prepareTimestampBuffer(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 o=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),o++))}o<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){const{gl:n,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let a=0;if(e&&(a|=n.COLOR_BUFFER_BIT),t&&(a|=n.DEPTH_BUFFER_BIT),r&&(a|=n.STENCIL_BUFFER_BIT),0!==a){let u;u=s.clearColorValue?s.clearColorValue:this.getClearColor();const l=o.getClearDepth(),d=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)n.clearColor(u.r,u.g,u.b,u.a),n.clear(a);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?n.clearBufferfv(n.COLOR,e,[u.r,u.g,u.b,u.a]):n.clearBufferfv(n.COLOR,e,[0,0,0,1]);t&&r?n.clearBufferfi(n.DEPTH_STENCIL,0,l,d):t?n.clearBufferfv(n.DEPTH,0,[l]):r&&n.clearBufferiv(n.STENCIL,0,[d])}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(e)}compute(e,t,r,s){const{state:i,gl:n}=this;!1===this.discard&&(n.enable(n.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:a,attributes:u}=this.get(s),l=this._getVaoKey(u),d=this.vaoCache[l];void 0===d?this._createVao(u):i.setVertexState(d),i.useProgram(o),this._bindUniforms(r);const c=this._getTransformFeedback(a);n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,c),n.beginTransformFeedback(n.POINTS),u[0].isStorageInstancedBufferAttribute?n.drawArraysInstanced(n.POINTS,0,1,t.count):n.drawArrays(n.POINTS,0,t.count),n.endTransformFeedback(),n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,null);for(let e=0;e<a.length;e++){const t=a[e];t.pbo&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const t=this.gl;this.discard=!1,t.disable(t.RASTERIZER_DISCARD),this.prepareTimestampBuffer(e),this._currentContext&&this._setFramebuffer(this._currentContext)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:o}=this.get(r),{gl:a,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),u.useProgram(o);const h=this.get(e);let p=h.staticVao;if(void 0===p||h.geometryId!==e.geometry.id){const t=this._getVaoKey(e.getAttributes());if(p=this.vaoCache[t],void 0===p){let t;({vaoGPU:p,staticVao:t}=this._createVao(e.getAttributes())),t&&(h.staticVao=p,h.geometryId=e.geometry.id)}}const g=e.getIndex(),m=null!==g?this.get(g).bufferGPU:null;u.setVertexState(p,m);const f=l.lastOcclusionObject;if(f!==t&&void 0!==f){if(null!==f&&!0===f.occlusionTest&&(a.endQuery(a.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=a.createQuery();a.beginQuery(a.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const y=this.bufferRenderer;t.isPoints?y.mode=a.POINTS:t.isLineSegments?y.mode=a.LINES:t.isLine?y.mode=a.LINE_STRIP:t.isLineLoop?y.mode=a.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),y.mode=a.LINES):y.mode=a.TRIANGLES;const{vertexCount:x,instanceCount:b}=d;let{firstVertex:T}=d;if(y.object=t,null!==g){T*=g.array.BYTES_PER_ELEMENT;const e=this.get(g);y.index=g.count,y.type=e.type}else y.index=0;const _=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?(nt("THREE.WebGLBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."),y.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances)):this.hasFeature("WEBGL_multi_draw")?y.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):nt("THREE.WebGLRenderer: WEBGL_multi_draw not supported."):b>1?y.renderInstances(T,x,b):y.render(T,x)};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){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=a.createBuffer();e[0]=r,a.bindBuffer(a.UNIFORM_BUFFER,s),a.bufferData(a.UNIFORM_BUFFER,e,a.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),o=this.renderer.getPixelRatio();for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){const t=l.viewport,s=t.x*o,d=t.y*o,c=t.width*o,h=t.height*o;u.viewport(Math.floor(s),Math.floor(e.context.height-h-d),Math.floor(c),Math.floor(h)),u.bindBufferBase(a.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),_()}}}else _()}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){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}createSampler(){}destroySampler(){}createNodeBuilder(e,t){return new _v(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,o=r.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(o,a),r.attachShader(o,u),r.linkProgram(o),this.set(s,{programGPU:o,fragmentShader:a,vertexShader:u}),null!==t&&this.parallel){const i=new Promise((t=>{const i=this.parallel,n=()=>{r.getProgramParameter(o,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()}));t.push(i)}else 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"),o=this._getShaderErrors(s,t,"fragment");console.error("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+o)}else""!==i&&console.warn("THREE.WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:o,vertexShader:a}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,o,a),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,o=s.createProgram(),a=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(o,a),s.attachShader(o,u),s.transformFeedbackVaryings(o,d,s.SEPARATE_ATTRIBS),s.linkProgram(o),!1===s.getProgramParameter(o,s.LINK_STATUS)&&this._logProgramError(o,a,u),r.useProgram(o),this._setupBindings(t,o);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:o,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)if(r.isUniformsGroup||r.isUniformBuffer){const e=r.buffer,i=t.createBuffer();t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,e,t.DYNAMIC_DRAW),this.set(r,{index:s++,bufferGPU:i})}else if(r.isSampledTexture){const{textureGPU:e,glTextureType:t}=this.get(r.texture);this.set(r,{index:i++,textureGPU:e,glTextureType:t})}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer;t.bindBuffer(t.UNIFORM_BUFFER,r),t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW)}}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(Ov).filter((t=>Ov[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){this.textureUtils.copyTextureToTexture(e,t,r,s,i)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:o,depthBuffer:a,stencilBuffer:u}=i,l=!0===i.isWebGLCubeRenderTarget,d=!0===i.isRenderTarget3D,c=!0===i.isRenderTargetArray,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._useMultisampledRTT(i),x=Qm(e);let b;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),b=n.cubeFramebuffers[x]):h&&!1===p?b=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),b=n.framebuffers[x]),void 0===b){b=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,b);const s=e.textures;if(l){n.cubeFramebuffers[x]=b;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,0)}else{n.framebuffers[x]=b;for(let r=0;r<s.length;r++){const i=s[r],n=this.get(i);n.renderTarget=e.renderTarget,n.cacheKey=x;const a=t.COLOR_ATTACHMENT0+r;if(d||c){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,a,n.textureGPU,0,e)}else y?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,a,t.TEXTURE_2D,n.textureGPU,0,o):t.framebufferTexture2D(t.FRAMEBUFFER,a,t.TEXTURE_2D,n.textureGPU,0)}r.drawBuffers(e,b)}if(i.isXRRenderTarget&&!0===i.autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,y),n.xrDepthRenderbuffer=r}else if(null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;r.renderTarget=e.renderTarget,r.cacheKey=x,y?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0,o):t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}else if(h&&p){r.bindFramebuffer(t.FRAMEBUFFER,b);const s=this.get(e.textures[0]);y?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,o):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const a=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,a,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);y?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,a,t.TEXTURE_2D,r.textureGPU,0,o):t.framebufferTexture2D(t.FRAMEBUFFER,a,t.TEXTURE_2D,r.textureGPU,0)}}if(o>0&&!1===y){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++){if(i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r),a){const e=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(e)}const n=e.textures[r],l=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,o,l.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,o),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=b}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();let s="",i=!0;t.bindVertexArray(r);for(let r=0;r<e.length;r++){const n=e[r],o=this.get(n);let a,u;s+=":"+o.id,t.bindBuffer(t.ARRAY_BUFFER,o.bufferGPU),t.enableVertexAttribArray(r),(n.isStorageBufferAttribute||n.isStorageInstancedBufferAttribute)&&(i=!1),!0===n.isInterleavedBufferAttribute?(a=n.data.stride*o.bytesPerElement,u=n.offset*o.bytesPerElement):(a=0,u=0),o.isInteger?t.vertexAttribIPointer(r,n.itemSize,o.type,a,u):t.vertexAttribPointer(r,n.itemSize,o.type,n.normalized,a,u),n.isInstancedBufferAttribute&&!n.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,n.meshPerAttribute):n.isInterleavedBufferAttribute&&n.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,n.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),this.vaoCache[s]=r,{vaoGPU:r,staticVao:i}}_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)}}_useMultisampledRTT(e){return e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e.autoAllocateDepthBuffer}dispose(){const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const Wv="point-list",Hv="line-list",jv="line-strip",qv="triangle-list",Xv="triangle-strip",Kv="never",Yv="less",Qv="equal",Zv="less-equal",Jv="greater",eN="not-equal",tN="greater-equal",rN="always",sN="store",iN="load",nN="clear",oN="ccw",aN="none",uN="front",lN="back",dN="uint16",cN="uint32",hN={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10uFloat:"rgb10a2unorm",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Stencil8:"stencil8",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},pN="clamp-to-edge",gN="repeat",mN="mirror-repeat",fN="linear",yN="nearest",xN="zero",bN="one",TN="src",_N="one-minus-src",vN="src-alpha",NN="one-minus-src-alpha",SN="dst",RN="one-minus-dst",AN="dst-alpha",EN="one-minus-dst-alpha",CN="src-alpha-saturated",wN="constant",MN="one-minus-constant",BN="add",FN="subtract",UN="reverse-subtract",PN="min",IN="max",LN=0,DN=15,VN="keep",ON="zero",GN="replace",kN="invert",zN="increment-clamp",$N="decrement-clamp",WN="increment-wrap",HN="decrement-wrap",jN="storage",qN="read-only-storage",XN="write-only",KN="read-only",YN="read-write",QN="float",ZN="unfilterable-float",JN="depth",eS="sint",tS="uint",rS="2d",sS="3d",iS="2d",nS="2d-array",oS="cube",aS="3d",uS="all",lS="vertex",dS="instance",cS={DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups"};class hS extends iv{constructor(e,t){super(e),this.texture=t,this.version=t?t.version:0,this.isSampler=!0}}class pS extends hS{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){this.texture=this.textureNode.value}}class gS extends nv{constructor(e,t){super(e,t?t.array:null),this.attribute=t,this.isStorageBuffer=!0}}let mS=0;class fS extends gS{constructor(e,t){super("StorageBuffer_"+mS++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:Ps.READ_WRITE,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class yS extends Rm{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:fN}),this.flipYSampler=e.createSampler({minFilter:yN}),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-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:Xv,stripIndexFormat:cN},layout:"auto"}),this.transferPipelines[e]=t),t}getFlipYPipeline(e){let t=this.flipYPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`flipY-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:Xv,stripIndexFormat:cN},layout:"auto"}),this.flipYPipelines[e]=t),t}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,o=this.getTransferPipeline(s),a=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:iS,baseArrayLayer:r}),d=u.createView({baseMipLevel:0,mipLevelCount:1,dimension:iS,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:nN,storeOp:sN,clearValue:[0,0,0,0]}]});n.setPipeline(e),n.setBindGroup(0,i),n.draw(4,1,0,0),n.end()};h(o,l,d),h(a,d,l),this.device.queue.submit([c.finish()]),u.destroy()}generateMipmaps(e,t,r=0){const s=this.get(e);void 0===s.useCount&&(s.useCount=0,s.layers=[]);const i=s.layers[r]||this._mipmapCreateBundles(e,t,r),n=this.device.createCommandEncoder({});this._mipmapRunBundles(n,i),this.device.queue.submit([n.finish()]),0!==s.useCount&&(s.layers[r]=i),s.useCount++}_mipmapCreateBundles(e,t,r){const s=this.getTransferPipeline(t.format),i=s.getBindGroupLayout(0);let n=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:iS,baseArrayLayer:r});const o=[];for(let a=1;a<t.mipLevelCount;a++){const u=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:n}]}),l=e.createView({baseMipLevel:a,mipLevelCount:1,dimension:iS,baseArrayLayer:r}),d={colorAttachments:[{view:l,loadOp:nN,storeOp:sN,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),o.push({renderBundles:[c.finish()],passDescriptor:d}),n=l}return o}_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 xS={[Nr]:"never",[Pe]:"less",[Ar]:"equal",[Rr]:"less-equal",[Cr]:"greater",[Er]:"greater-equal",[Sr]:"always",[wr]:"not-equal"},bS=[0,1,3,2,4,5];class TS{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this.colorBuffer=null,this.depthTexture=new P,this.depthTexture.name="depthBuffer"}createSampler(e){const t=this.backend,r=t.device,s=t.get(e),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};i.magFilter===fN&&i.minFilter===fN&&i.mipmapFilter===fN&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&(i.compare=xS[e.compareFunction]),s.sampler=r.createSampler(i)}createDefaultTexture(e){let t;const r=_S(e);e.isCubeTexture?t=this._getDefaultCubeTextureGPU(r):e.isVideoTexture?this.backend.get(e).externalTexture=this._getDefaultVideoFrame():t=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.");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:o,levels:a}=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||_S(e,r.device);s.format=l;const{samples:d,primarySamples:c,isMSAA:h}=r.utils.getTextureSampleData(e);let p=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(p|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&(p|=GPUTextureUsage.RENDER_ATTACHMENT);const g={label:e.name,size:{width:i,height:n,depthOrArrayLayers:o},mipLevelCount:a,sampleCount:c,dimension:u,format:l,usage:p};if(e.isVideoTexture){const t=e.source.data,r=new VideoFrame(t);g.size.width=r.displayWidth,g.size.height=r.displayHeight,r.close(),s.externalTexture=t}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);s.texture=r.device.createTexture(g)}if(h){const e=Object.assign({},g);e.label=e.label+"-msaa",e.sampleCount=d,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=g}destroyTexture(e){const t=this.backend,r=t.get(e);void 0!==r.texture&&r.texture.destroy(),void 0!==r.msaaTexture&&r.msaaTexture.destroy(),t.delete(e)}destroySampler(e){delete this.backend.get(e).sampler}generateMipmaps(e){const t=this.backend.get(e);if(e.isCubeTexture)for(let e=0;e<6;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e);else{const r=e.image.depth||1;for(let e=0;e<r;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e)}}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const e=this.backend,{width:t,height:r}=e.getDrawingBufferSize();return this.colorBuffer=e.device.createTexture({label:"colorBuffer",size:{width:t,height:r,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.samples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(e=!0,t=!1){const r=this.backend,{width:s,height:i}=r.getDrawingBufferSize(),n=this.depthTexture,o=r.get(n).texture;let a,u;if(t?(a=Re,u=Ee):e&&(a=Ae,u=b),void 0!==o){if(n.image.width===s&&n.image.height===i&&n.format===a&&n.type===u)return o;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=u,n.image.width=s,n.image.height=i,this.createTexture(n,{width:s,height:i}),r.get(n).texture}updateTexture(e,t){const r=this.backend.get(e),{textureDescriptorGPU:s}=r;if(!e.isRenderTargetTexture&&void 0!==s){if(e.isDataTexture)this._copyBufferToTexture(t.image,r.texture,s,0,e.flipY);else if(e.isDataArrayTexture||e.isData3DTexture)for(let i=0;i<t.image.depth;i++)this._copyBufferToTexture(t.image,r.texture,s,i,e.flipY,i);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,s);else if(e.isCubeTexture)this._copyCubeMapToTexture(t.images,r.texture,s,e.flipY);else if(e.isVideoTexture){const t=e.source.data;r.externalTexture=t}else this._copyImageToTexture(t.image,r.texture,s,0,e.flipY);r.version=e.version,e.onUpdate&&e.onUpdate(e)}}async copyTextureToBuffer(e,t,r,s,i,n){const o=this.backend.device,a=this.backend.get(e),u=a.texture,l=a.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=o.createBuffer({size:s*i*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=o.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);o.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}_isEnvironmentTexture(e){const t=e.mapping;return t===K||t===Y||t===S||t===R}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new he;r.minFilter=_r,r.magFilter=_r,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.defaultTexture[e];if(void 0===t){const r=new X;r.minFilter=_r,r.magFilter=_r,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultVideoFrame(){let e=this.defaultVideoFrame;if(null===e){const t={timestamp:0,codedWidth:1,codedHeight:1,format:"RGBA"};this.defaultVideoFrame=e=new VideoFrame(new Uint8Array([0,0,0,255]),t)}return e}_copyCubeMapToTexture(e,t,r,s){for(let i=0;i<6;i++){const n=e[i],o=!0===s?bS[i]:i;n.isDataTexture?this._copyBufferToTexture(n.image,t,r,o,s):this._copyImageToTexture(n,t,r,o,s)}}_copyImageToTexture(e,t,r,s,i){this.backend.device.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},{width:e.width,height:e.height,depthOrArrayLayers:1})}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new yS(this.backend.device)),e}_generateMipmaps(e,t,r=0){this._getPassUtils().generateMipmaps(e,t,r)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0){const o=this.backend.device,a=e.data,u=this._getBytesPerTexel(r.format),l=e.width*u;o.queue.writeTexture({texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},a,{offset:e.width*e.height*u*n,bytesPerRow:l},{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 o=0;o<e.length;o++){const a=e[o],u=a.width,l=a.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:o,origin:{x:0,y:0,z:e}},a.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===hN.BC1RGBAUnorm||e===hN.BC1RGBAUnormSRGB?{byteLength:8,width:4,height:4}:e===hN.BC2RGBAUnorm||e===hN.BC2RGBAUnormSRGB||e===hN.BC3RGBAUnorm||e===hN.BC3RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===hN.BC4RUnorm||e===hN.BC4RSNorm?{byteLength:8,width:4,height:4}:e===hN.BC5RGUnorm||e===hN.BC5RGSnorm||e===hN.BC6HRGBUFloat||e===hN.BC6HRGBFloat||e===hN.BC7RGBAUnorm||e===hN.BC7RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===hN.ETC2RGB8Unorm||e===hN.ETC2RGB8UnormSRGB||e===hN.ETC2RGB8A1Unorm||e===hN.ETC2RGB8A1UnormSRGB?{byteLength:8,width:4,height:4}:e===hN.ETC2RGBA8Unorm||e===hN.ETC2RGBA8UnormSRGB?{byteLength:16,width:4,height:4}:e===hN.EACR11Unorm||e===hN.EACR11Snorm?{byteLength:8,width:4,height:4}:e===hN.EACRG11Unorm||e===hN.EACRG11Snorm||e===hN.ASTC4x4Unorm||e===hN.ASTC4x4UnormSRGB?{byteLength:16,width:4,height:4}:e===hN.ASTC5x4Unorm||e===hN.ASTC5x4UnormSRGB?{byteLength:16,width:5,height:4}:e===hN.ASTC5x5Unorm||e===hN.ASTC5x5UnormSRGB?{byteLength:16,width:5,height:5}:e===hN.ASTC6x5Unorm||e===hN.ASTC6x5UnormSRGB?{byteLength:16,width:6,height:5}:e===hN.ASTC6x6Unorm||e===hN.ASTC6x6UnormSRGB?{byteLength:16,width:6,height:6}:e===hN.ASTC8x5Unorm||e===hN.ASTC8x5UnormSRGB?{byteLength:16,width:8,height:5}:e===hN.ASTC8x6Unorm||e===hN.ASTC8x6UnormSRGB?{byteLength:16,width:8,height:6}:e===hN.ASTC8x8Unorm||e===hN.ASTC8x8UnormSRGB?{byteLength:16,width:8,height:8}:e===hN.ASTC10x5Unorm||e===hN.ASTC10x5UnormSRGB?{byteLength:16,width:10,height:5}:e===hN.ASTC10x6Unorm||e===hN.ASTC10x6UnormSRGB?{byteLength:16,width:10,height:6}:e===hN.ASTC10x8Unorm||e===hN.ASTC10x8UnormSRGB?{byteLength:16,width:10,height:8}:e===hN.ASTC10x10Unorm||e===hN.ASTC10x10UnormSRGB?{byteLength:16,width:10,height:10}:e===hN.ASTC12x10Unorm||e===hN.ASTC12x10UnormSRGB?{byteLength:16,width:12,height:10}:e===hN.ASTC12x12Unorm||e===hN.ASTC12x12UnormSRGB?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=pN;return e===xr?t=gN:e===Tr&&(t=mN),t}_convertFilterMode(e){let t=fN;return e!==_r&&e!==vr&&e!==Ge||(t=yN),t}_getBytesPerTexel(e){return e===hN.R8Unorm||e===hN.R8Snorm||e===hN.R8Uint||e===hN.R8Sint?1:e===hN.R16Uint||e===hN.R16Sint||e===hN.R16Float||e===hN.RG8Unorm||e===hN.RG8Snorm||e===hN.RG8Uint||e===hN.RG8Sint?2:e===hN.R32Uint||e===hN.R32Sint||e===hN.R32Float||e===hN.RG16Uint||e===hN.RG16Sint||e===hN.RG16Float||e===hN.RGBA8Unorm||e===hN.RGBA8UnormSRGB||e===hN.RGBA8Snorm||e===hN.RGBA8Uint||e===hN.RGBA8Sint||e===hN.BGRA8Unorm||e===hN.BGRA8UnormSRGB||e===hN.RGB9E5UFloat||e===hN.RGB10A2Unorm||e===hN.RG11B10UFloat||e===hN.Depth32Float||e===hN.Depth24Plus||e===hN.Depth24PlusStencil8||e===hN.Depth32FloatStencil8?4:e===hN.RG32Uint||e===hN.RG32Sint||e===hN.RG32Float||e===hN.RGBA16Uint||e===hN.RGBA16Sint||e===hN.RGBA16Float?8:e===hN.RGBA32Uint||e===hN.RGBA32Sint||e===hN.RGBA32Float?16:void 0}_getTypedArrayType(e){return e===hN.R8Uint?Uint8Array:e===hN.R8Sint?Int8Array:e===hN.R8Unorm?Uint8Array:e===hN.R8Snorm?Int8Array:e===hN.RG8Uint?Uint8Array:e===hN.RG8Sint?Int8Array:e===hN.RG8Unorm?Uint8Array:e===hN.RG8Snorm?Int8Array:e===hN.RGBA8Uint?Uint8Array:e===hN.RGBA8Sint?Int8Array:e===hN.RGBA8Unorm?Uint8Array:e===hN.RGBA8Snorm?Int8Array:e===hN.R16Uint?Uint16Array:e===hN.R16Sint?Int16Array:e===hN.RG16Uint?Uint16Array:e===hN.RG16Sint?Int16Array:e===hN.RGBA16Uint?Uint16Array:e===hN.RGBA16Sint?Int16Array:e===hN.R16Float||e===hN.RG16Float||e===hN.RGBA16Float?Uint16Array:e===hN.R32Uint?Uint32Array:e===hN.R32Sint?Int32Array:e===hN.R32Float?Float32Array:e===hN.RG32Uint?Uint32Array:e===hN.RG32Sint?Int32Array:e===hN.RG32Float?Float32Array:e===hN.RGBA32Uint?Uint32Array:e===hN.RGBA32Sint?Int32Array:e===hN.RGBA32Float?Float32Array:e===hN.BGRA8Unorm||e===hN.BGRA8UnormSRGB?Uint8Array:e===hN.RGB10A2Unorm||e===hN.RGB9E5UFloat||e===hN.RG11B10UFloat?Uint32Array:e===hN.Depth32Float?Float32Array:e===hN.Depth24Plus||e===hN.Depth24PlusStencil8?Uint32Array:e===hN.Depth32FloatStencil8?Float32Array:void 0}_getDimension(e){let t;return t=e.isData3DTexture?sS:rS,t}}function _S(e,t=null){const r=e.format,s=e.type,i=e.colorSpace;let n;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case $t:n=i===G?hN.BC1RGBAUnormSRGB:hN.BC1RGBAUnorm;break;case Wt:n=i===G?hN.BC2RGBAUnormSRGB:hN.BC2RGBAUnorm;break;case Ht:n=i===G?hN.BC3RGBAUnormSRGB:hN.BC3RGBAUnorm;break;case Qt:n=i===G?hN.ETC2RGB8UnormSRGB:hN.ETC2RGB8Unorm;break;case Zt:n=i===G?hN.ETC2RGBA8UnormSRGB:hN.ETC2RGBA8Unorm;break;case Jt:n=i===G?hN.ASTC4x4UnormSRGB:hN.ASTC4x4Unorm;break;case er:n=i===G?hN.ASTC5x4UnormSRGB:hN.ASTC5x4Unorm;break;case tr:n=i===G?hN.ASTC5x5UnormSRGB:hN.ASTC5x5Unorm;break;case rr:n=i===G?hN.ASTC6x5UnormSRGB:hN.ASTC6x5Unorm;break;case sr:n=i===G?hN.ASTC6x6UnormSRGB:hN.ASTC6x6Unorm;break;case ir:n=i===G?hN.ASTC8x5UnormSRGB:hN.ASTC8x5Unorm;break;case nr:n=i===G?hN.ASTC8x6UnormSRGB:hN.ASTC8x6Unorm;break;case or:n=i===G?hN.ASTC8x8UnormSRGB:hN.ASTC8x8Unorm;break;case ar:n=i===G?hN.ASTC10x5UnormSRGB:hN.ASTC10x5Unorm;break;case ur:n=i===G?hN.ASTC10x6UnormSRGB:hN.ASTC10x6Unorm;break;case lr:n=i===G?hN.ASTC10x8UnormSRGB:hN.ASTC10x8Unorm;break;case dr:n=i===G?hN.ASTC10x10UnormSRGB:hN.ASTC10x10Unorm;break;case cr:n=i===G?hN.ASTC12x10UnormSRGB:hN.ASTC12x10Unorm;break;case hr:n=i===G?hN.ASTC12x12UnormSRGB:hN.ASTC12x12Unorm;break;case de:n=i===G?hN.RGBA8UnormSRGB:hN.RGBA8Unorm;break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case de:switch(s){case st:n=hN.RGBA8Snorm;break;case it:n=hN.RGBA16Sint;break;case rt:n=hN.RGBA16Uint;break;case b:n=hN.RGBA32Uint;break;case T:n=hN.RGBA32Sint;break;case Ce:n=i===G?hN.RGBA8UnormSRGB:hN.RGBA8Unorm;break;case le:n=hN.RGBA16Float;break;case B:n=hN.RGBA32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case et:if(s===Vt)n=hN.RGB9E5UFloat;else console.error("WebGPURenderer: Unsupported texture type with RGBFormat.",s);break;case Qe:switch(s){case st:n=hN.R8Snorm;break;case it:n=hN.R16Sint;break;case rt:n=hN.R16Uint;break;case b:n=hN.R32Uint;break;case T:n=hN.R32Sint;break;case Ce:n=hN.R8Unorm;break;case le:n=hN.R16Float;break;case B:n=hN.R32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case Le:switch(s){case st:n=hN.RG8Snorm;break;case it:n=hN.RG16Sint;break;case rt:n=hN.RG16Uint;break;case b:n=hN.RG32Uint;break;case T:n=hN.RG32Sint;break;case Ce:n=hN.RG8Unorm;break;case le:n=hN.RG16Float;break;case B:n=hN.RG32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case Ae:switch(s){case rt:n=hN.Depth16Unorm;break;case b:n=hN.Depth24Plus;break;case B:n=hN.Depth32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case Re:switch(s){case Ee:n=hN.Depth24PlusStencil8;break;case B:t&&!1===t.features.has(cS.Depth32FloatStencil8)&&console.error('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),n=hN.Depth32FloatStencil8;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case Ye:switch(s){case T:n=hN.R32Sint;break;case b:n=hN.R32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case Ze:switch(s){case T:n=hN.RG32Sint;break;case b:n=hN.RG32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case tt:switch(s){case T:n=hN.RGBA32Sint;break;case b:n=hN.RGBA32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}return n}const vS=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,NS=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,SS={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_multisampled_2d:"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 RS extends N_{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:o}=(e=>{const t=(e=e.trim()).match(vS);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=NS.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=SS[i]),n.push(new c_(i,t))}const o=e.substring(t[0].length),a=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:SS[a]||a,inputs:n,name:u,inputsCode:r,blockCode:o,outputType:a}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=o}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class AS extends v_{parseFunction(e){return new RS(e)}}const ES="undefined"!=typeof self?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},CS={[Ps.READ_ONLY]:"read",[Ps.WRITE_ONLY]:"write",[Ps.READ_WRITE]:"read_write"},wS={[xr]:"repeat",[br]:"clamp",[Tr]:"mirror"},MS={vertex:ES?ES.VERTEX:1,fragment:ES?ES.FRAGMENT:2,compute:ES?ES.COMPUTE:4},BS={instance:!0,swizzleAssign:!1,storageBuffer:!0},FS={"^^":"tsl_xor"},US={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>"},PS={},IS={tsl_xor:new ax("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new ax("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new ax("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new ax("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new ax("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new ax("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new ax("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new ax("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 ax("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 ax("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new ax("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 ax("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new ax("\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")},LS={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>"};"undefined"!=typeof navigator&&/Windows/g.test(navigator.userAgent)&&(IS.pow_float=new ax("fn tsl_pow_float( a : f32, b : f32 ) -> f32 { return select( -pow( -a, b ), pow( a, b ), a > 0.0 ); }"),IS.pow_vec2=new ax("fn tsl_pow_vec2( a : vec2f, b : vec2f ) -> vec2f { return vec2f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ) ); }",[IS.pow_float]),IS.pow_vec3=new ax("fn tsl_pow_vec3( a : vec3f, b : vec3f ) -> vec3f { return vec3f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ) ); }",[IS.pow_float]),IS.pow_vec4=new ax("fn tsl_pow_vec4( a : vec4f, b : vec4f ) -> vec4f { return vec4f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ), tsl_pow_float( a.w, b.w ) ); }",[IS.pow_float]),LS.pow_float="tsl_pow_float",LS.pow_vec2="tsl_pow_vec2",LS.pow_vec3="tsl_pow_vec3",LS.pow_vec4="tsl_pow_vec4");let DS="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(DS+="diagnostic( off, derivative_uniformity );\n");class VS extends l_{constructor(e,t){super(e,t,new AS),this.uniformGroups={},this.builtins={},this.directives={},this.scopedArrays=new Map}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}_generateTextureSample(e,t,r,s,i=this.shaderStage){return"fragment"===i?s?`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r):this.generateTextureLod(e,t,r,s,"0")}_generateVideoSample(e,t,r=this.shaderStage){if("fragment"===r)return`textureSampleBaseClampToEdge( ${e}, ${e}_sampler, vec2<f32>( ${t}.x, 1.0 - ${t}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${r} shader.`)}_generateTextureSampleLevel(e,t,r,s,i,n=this.shaderStage){return"fragment"!==n&&"compute"!==n||!1!==this.isUnfilterable(e)?this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,s):this.generateTextureLod(e,t,r,i,s):`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`}generateWrapFunction(e){const t=`tsl_coord_${wS[e.wrapS]}S_${wS[e.wrapT]}_${e.isData3DTexture?"3d":"2d"}T`;let r=PS[t];if(void 0===r){const s=[],i=e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const o=(e,t)=>{e===xr?(s.push(IS.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===br?(s.push(IS.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Tr?(s.push(IS.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,console.warn(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};o(e.wrapS,"x"),n+=",\n",o(e.wrapT,"y"),e.isData3DTexture&&(n+=",\n",o(e.wrapR,"z")),n+="\n\t);\n\n}\n",PS[t]=r=new ax(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,o;const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(e),u=a>1;o=e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isVideoTexture||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new ka(new Ru(`textureDimensions( ${n} )`,o)),s.dimensionsSnippet[r]=i,(e.isDataArrayTexture||e.isData3DTexture)&&(s.arrayLayerCount=new ka(new Ru(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new ka(new Ru("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s="0u"){this._include("biquadraticTexture");return`tsl_biquadraticTexture( ${t}, ${this.generateWrapFunction(e)}( ${r} ), ${this.generateTextureDimension(e,t,s)}, u32( ${s} ) )`}generateTextureLod(e,t,r,s,i="0u"){const n=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i),a=e.isData3DTexture?"vec3":"vec2",u=`${a}<u32>(${n}(${r}) * ${a}<f32>(${o}))`;return this.generateTextureLoad(e,t,u,s,i)}generateTextureLoad(e,t,r,s,i="0u"){return!0===e.isVideoTexture||!0===e.isStorageTexture?`textureLoad( ${t}, ${r} )`:s?`textureLoad( ${t}, ${r}, ${s}, u32( ${i} ) )`:`textureLoad( ${t}, ${r}, u32( ${i} ) )`}generateTextureStore(e,t,r,s){return`textureStore( ${t}, ${r}, ${s} )`}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===B||!1===this.isSampleCompare(e)&&e.minFilter===_r&&e.magFilter===_r||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i=this.shaderStage){let n=null;return n=!0===e.isVideoTexture?this._generateVideoSample(t,r,i):this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,"0",i):this._generateTextureSample(e,t,r,s,i),n}generateTextureGrad(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${t}, ${t}_sampler, ${r},  ${s[0]}, ${s[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(e,t,r,s,i,n=this.shaderStage){let o=null;return o=!0===e.isVideoTexture?this._generateVideoSample(t,r,n):this._generateTextureSampleLevel(e,t,r,s,i,n),o}generateTextureBias(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${n} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"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=FS[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?Ps.READ_ONLY:e.access}getStorageAccess(e,t){return CS[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 o;const a=e.groupNode,u=a.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);if("texture"===t||"storageTexture"===t?s=new gv(i.name,i.node,a,n):"cubeTexture"===t?s=new mv(i.name,i.node,a,n):"texture3D"===t&&(s=new fv(i.name,i.node,a,n)),s.store=!0===e.isStorageTextureNode,s.setVisibility(MS[r]),"fragment"!==r&&"compute"!==r||!1!==this.isUnfilterable(e.value)||!1!==s.store)l.push(s),o=[s];else{const e=new pS(`${i.name}_sampler`,i.node,a);e.setVisibility(MS[r]),l.push(e,s),o=[e,s]}}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=new("buffer"===t?uv:fS)(e,a);n.setVisibility(MS[r]),l.push(n),o=n,i.name=s||"NodeBuffer_"+i.id}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let s=e[u];void 0===s&&(s=new cv(u,a),s.setVisibility(MS[r]),e[u]=s,l.push(s)),o=this.getNodeUniform(i,t),s.addUniform(o)}n.uniformGPU=o}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","Vertex","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( ${i} )`;/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate( flat )"),t.push(`${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){return e.value.isStorageBufferAttribute&&null!==e.node.structTypeNode}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,o=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;"fragment"!==e&&"compute"!==e||!1!==this.isUnfilterable(t)||!0===i.node.isStorageTextureNode||(this.isSampleCompare(t)?r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(t);if(a>1&&(n="_multisampled"),!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.isDepthTexture)s=`texture_depth${n}_2d`;else if(!0===t.isVideoTexture)s="texture_external";else if(!0===t.isData3DTexture)s="texture_3d<f32>";else if(!0===i.node.isStorageTextureNode){s=`texture_storage_2d<${_S(t)}, ${this.getStorageAccess(i.node,e)}>`}else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${o.binding++} ) @group( ${o.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,a=n>0&&"buffer"===i.type?", "+n:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(i))s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var<${u}> ${i.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${a} >`;s.push(this._getWGSLStructBinding(i.name,e,u,o.binding++,o.group))}}else{const e=this.getType(this.getVectorType(i.type)),t=i.groupNode.name;(n[t]||(n[t]={index:o.binding++,id:o.group,snippets:[]})).snippets.push(`\t${i.name} : ${e}`)}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}let o=r.join("\n");return o+=s.join("\n"),o+=i.join("\n"),o}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],o=n.outputNode,a=void 0!==o&&!0===o.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.Vertex = ${i.result};`;else if("fragment"===t)if(a)r.returnType=o.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 = ${i.result};\n\n\treturn output;`}}r.flow=s}this.shaderStage=null,null!==this.material?(this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment)):this.computeShader=this._getWGSLComputeCode(e.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getType(e){return US[e]||e}isAvailable(e){let t=BS[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),BS[e]=t),t}_getWGSLMethod(e){return void 0!==IS[e]&&this._include(e),LS[e]}_include(e){const t=IS[e];return t.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(t),t}_getWGSLVertexCode(e){return`${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${DS}\n\n// structs\n${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${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){return`${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( ${t} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x + globalId.y * numWorkgroups.x * u32(${t}) + globalId.z * numWorkgroups.x * numWorkgroups.y * u32(${t});\n\n\t// vars\n\t${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 OS{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return null!==e.depthTexture?t=this.getTextureFormatGPU(e.depthTexture):e.depth&&e.stencil?t=hN.Depth24PlusStencil8:e.depth&&(t=hN.Depth24Plus),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.samples}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}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?Wv:e.isLineSegments||e.isMesh&&!0===t.wireframe?Hv:e.isLine?jv:e.isMesh?qv:void 0}getSampleCount(e){let t=1;return e>1&&(t=Math.pow(2,Math.floor(Math.log2(e))),2===t&&(t=4)),t}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.samples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ce)return hN.BGRA8Unorm;if(e===le)return hN.RGBA16Float;throw new Error("Unsupported outputType")}}const GS=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),kS=new Map([[ke,["float16"]]]),zS=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class $S{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 o=s.device;let a=r.array;if(!1===e.normalized)if(a.constructor===Int16Array)a=new Int32Array(a);else if(a.constructor===Uint16Array&&(a=new Uint32Array(a),t&GPUBufferUsage.INDEX))for(let e=0;e<a.length;e++)65535===a[e]&&(a[e]=4294967295);if(r.array=a,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){a=new a.constructor(4*r.count);for(let e=0;e<r.count;e++)a.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=a,i._force3to4BytesAlignment=!0}const u=a.byteLength+(4-a.byteLength%4)%4;n=o.createBuffer({label:r.name,size:u,usage:t,mappedAtCreation:!0}),new a.constructor(n.getMappedRange()).set(a),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 o=t.array;if(!0===i._force3to4BytesAlignment){o=new o.constructor(4*t.count);for(let e=0;e<t.count;e++)o.set(t.array.subarray(3*e,3*e+3),4*e);t.array=o}const a=this._isTypedArray(o),u=t.updateRanges;if(0===u.length)s.queue.writeBuffer(n,0,o,0);else{const e=a?1:o.BYTES_PER_ELEMENT;for(let t=0,r=u.length;t<r;t++){const r=u[t];let a,l;if(!0===i._force3to4BytesAlignment){a=4*Math.floor(r.start/3)*e,l=4*Math.ceil(r.count/3)*e}else a=r.start*e,l=r.count*e;s.queue.writeBuffer(n,0,o,a,l)}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 o=r.get(n);if(void 0===o){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?dS:lS):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?dS:lS),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),o={arrayStride:e,attributes:[],stepMode:t},r.set(n,o)}const a=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;o.attributes.push({shaderLocation:e,offset:u,format:a})}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}),o=r.createCommandEncoder({label:`readback_encoder_${e.name}`});o.copyBufferToBuffer(s,0,n,0,i);const a=o.finish();r.queue.submit([a]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=zS.get(s);else{const e=(kS.get(i)||GS.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||console.error("THREE.WebGPUAttributeUtils: Vertex format not supported yet."),n}_isTypedArray(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class WS{constructor(e){this.backend=e,this.bindGroupLayoutCache=new WeakMap}createBindingsLayout(e){const t=this.backend,r=t.device,s=[];let i=0;for(const r of e.bindings){const e={binding:i++,visibility:r.visibility};if(r.isUniformBuffer||r.isStorageBuffer){const t={};r.isStorageBuffer&&(4&r.visibility&&(r.access===Ps.READ_WRITE||r.access===Ps.WRITE_ONLY)?t.type=jN:t.type=qN),e.buffer=t}else if(r.isSampler){const t={};r.texture.isDepthTexture&&null!==r.texture.compareFunction&&(t.type="comparison"),e.sampler=t}else if(r.isSampledTexture&&r.texture.isVideoTexture)e.externalTexture={};else if(r.isSampledTexture&&r.store){const t={};t.format=this.backend.get(r.texture).texture.format;const s=r.access;t.access=s===Ps.READ_WRITE?YN:s===Ps.WRITE_ONLY?XN:KN,e.storageTexture=t}else if(r.isSampledTexture){const s={},{primarySamples:i}=t.utils.getTextureSampleData(r.texture);if(i>1&&(s.multisampled=!0,r.texture.isDepthTexture||(s.sampleType=ZN)),r.texture.isDepthTexture)s.sampleType=JN;else if(r.texture.isDataTexture||r.texture.isDataArrayTexture||r.texture.isData3DTexture){const e=r.texture.type;e===T?s.sampleType=eS:e===b?s.sampleType=tS:e===B&&(this.backend.hasFeature("float32-filterable")?s.sampleType=QN:s.sampleType=ZN)}r.isSampledCubeTexture?s.viewDimension=oS:r.texture.isDataArrayTexture||r.texture.isCompressedArrayTexture?s.viewDimension=nS:r.isSampledTexture3D&&(s.viewDimension=aS),e.texture=s}else console.error(`WebGPUBindingUtils: Unsupported binding "${r}".`);s.push(e)}return r.createBindGroupLayout({entries:s})}createBindings(e,t,r,s=0){const{backend:i,bindGroupLayoutCache:n}=this,o=i.get(e);let a,u=n.get(e.bindingsReference);void 0===u&&(u=this.createBindingsLayout(e),n.set(e.bindingsReference,u)),r>0&&(void 0===o.groups&&(o.groups=[],o.versions=[]),o.versions[r]===s&&(a=o.groups[r])),void 0===a&&(a=this.createBindGroup(e,u),r>0&&(o.groups[r]=a,o.versions[r]=s)),o.group=a,o.layout=u}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer;r.queue.writeBuffer(i,0,s,0)}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 o=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:o})}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=s.createBuffer({label:"bindingBuffer_"+t.name,size:r,usage:i});e.buffer=n}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.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}else if(t.isSampledTexture){const e=r.get(t.texture);let o;if(void 0!==e.externalTexture)o=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=`view-${e.texture.width}-${e.texture.height}-${r}`;if(o=e[s],void 0===o){const i=uS;let n;n=t.isSampledCubeTexture?oS:t.isSampledTexture3D?aS:t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?nS:iS,o=e[s]=e.texture.createView({aspect:i,dimension:n,mipLevelCount:r})}}n.push({binding:i,resource:o})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}}class HS{constructor(e){this.backend=e}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:o,fragmentProgram:a}=n,u=this.backend,l=u.device,d=u.utils,c=u.get(n),h=[];for(const t of e.getBindings()){const e=u.get(t);h.push(e.layout)}const p=u.attributeUtils.createShaderVertexBuffers(e);let g;!0===s.transparent&&s.blending!==O&&(g=this._getBlending(s));let m={};!0===s.stencilWrite&&(m={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const f=this._getColorWriteMask(s),y=[];if(null!==e.context.textures){const t=e.context.textures;for(let e=0;e<t.length;e++){const r=d.getTextureFormatGPU(t[e]);y.push({format:r,blend:g,writeMask:f})}}else{const t=d.getCurrentColorFormat(e.context);y.push({format:t,blend:g,writeMask:f})}const x=u.get(o).module,b=u.get(a).module,T=this._getPrimitiveState(r,i,s),_=this._getDepthCompare(s),v=d.getCurrentDepthStencilFormat(e.context),N=this._getSampleCount(e.context),S={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:p}),fragment:Object.assign({},b,{targets:y}),primitive:T,multisample:{count:N,alphaToCoverageEnabled:s.alphaToCoverage&&N>1},layout:l.createPipelineLayout({bindGroupLayouts:h})},R={},A=e.context.depth,E=e.context.stencil;if(!0!==A&&!0!==E||(!0===A&&(R.format=v,R.depthWriteEnabled=s.depthWrite,R.depthCompare=_),!0===E&&(R.stencilFront=m,R.stencilBack={},R.stencilReadMask=s.stencilFuncMask,R.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&(R.depthBias=s.polygonOffsetUnits,R.depthBiasSlopeScale=s.polygonOffsetFactor,R.depthBiasClamp=0),S.depthStencil=R),null===t)c.pipeline=l.createRenderPipeline(S);else{const e=new Promise((e=>{l.createRenderPipelineAsync(S).then((t=>{c.pipeline=t,e()}))}));t.push(e)}}createBundleEncoder(e){const t=this.backend,{utils:r,device:s}=t,i=r.getCurrentDepthStencilFormat(e),n={label:"renderBundleEncoder",colorFormats:[r.getCurrentColorFormat(e)],depthStencilFormat:i,sampleCount:this._getSampleCount(e)};return s.createRenderBundleEncoder(n)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),o=[];for(const e of t){const t=r.get(e);o.push(t.layout)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,o=e.blendEquation;if(s===St){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,a=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:o;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(o)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(a),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:BN},r={srcFactor:i,dstFactor:n,operation:BN}};if(e.premultipliedAlpha)switch(s){case L:i(bN,NN,bN,NN);break;case Et:i(bN,bN,bN,bN);break;case At:i(xN,_N,xN,bN);break;case Rt:i(xN,TN,xN,vN)}else switch(s){case L:i(vN,NN,bN,NN);break;case Et:i(vN,bN,vN,bN);break;case At:i(xN,_N,xN,bN);break;case Rt:i(xN,TN,xN,TN)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};console.error("THREE.WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case dt:t=xN;break;case ct:t=bN;break;case ht:t=TN;break;case yt:t=_N;break;case pt:t=vN;break;case xt:t=NN;break;case mt:t=SN;break;case bt:t=RN;break;case ft:t=AN;break;case Tt:t=EN;break;case gt:t=CN;break;case 211:t=wN;break;case 212:t=MN;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case Dr:t=Kv;break;case Lr:t=rN;break;case Ir:t=Yv;break;case Pr:t=Zv;break;case Ur:t=Qv;break;case Fr:t=tN;break;case Br:t=Jv;break;case Mr:t=eN;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case Hr:t=VN;break;case Wr:t=ON;break;case $r:t=GN;break;case zr:t=kN;break;case kr:t=zN;break;case Gr:t=$N;break;case Or:t=WN;break;case Vr:t=HN;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case at:t=BN;break;case ut:t=FN;break;case lt:t=UN;break;case qr:t=PN;break;case jr:t=IN;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;switch(s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?dN:cN),r.side){case qe:s.frontFace=oN,s.cullMode=lN;break;case v:s.frontFace=oN,s.cullMode=uN;break;case Ne:s.frontFace=oN,s.cullMode=aN;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",r.side)}return s}_getColorWriteMask(e){return!0===e.colorWrite?DN:LN}_getDepthCompare(e){let t;if(!1===e.depthTest)t=rN;else{const r=e.depthFunc;switch(r){case It:t=Kv;break;case Pt:t=rN;break;case Ut:t=Yv;break;case Ft:t=Zv;break;case Bt:t=Qv;break;case Mt:t=tN;break;case wt:t=Jv;break;case Ct:t=eN;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class jS extends kv{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_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return nt(`WebGPUTimestampQueryPool [${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.id,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));let o=0;for(const[,t]of e){const e=n[t],r=n[t+1];o+=Number(r-e)/1e6}return this.resultBuffer.unmap(),this.lastValue=o,o}catch(e){return console.error("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){console.error("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){console.error("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 qS extends Sv{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.trackTimestamp=!0===e.trackTimestamp,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new OS(this),this.attributeUtils=new $S(this),this.bindingUtils=new WS(this),this.pipelineUtils=new HS(this),this.textureUtils=new TS(this),this.occludedResolveCache=new Map}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference},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(cS),n=[];for(const e of i)s.features.has(e)&&n.push(e);const o={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(o)}else r=t.device;r.lost.then((t=>{const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}));const s=void 0!==t.context?t.context:e.domElement.getContext("webgpu");this.device=r,this.context=s;const i=t.alpha?"premultiplied":"opaque";this.trackTimestamp=this.trackTimestamp&&this.hasFeature(cS.TimestampQuery),this.context.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i}),this.updateSize()}get coordinateSystem(){return d}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let e=this.defaultRenderPassdescriptor;if(null===e){const t=this.renderer;e={colorAttachments:[{view:null}]},!0!==this.renderer.depth&&!0!==this.renderer.stencil||(e.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(t.depth,t.stencil).createView()});const r=e.colorAttachments[0];this.renderer.samples>0?r.view=this.colorBuffer.createView():r.resolveTarget=void 0,this.defaultRenderPassdescriptor=e}const t=e.colorAttachments[0];return this.renderer.samples>0?t.resolveTarget=this.context.getCurrentTexture().createView():t.view=this.context.getCurrentTexture().createView(),e}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;if(void 0===i||s.width!==r.width||s.height!==r.height||s.dimensions!==r.dimensions||s.activeMipmapLevel!==r.activeMipmapLevel||s.activeCubeFace!==e.activeCubeFace||s.samples!==r.samples||s.loadOp!==t.loadOp){i={},s.descriptors=i;const e=()=>{r.removeEventListener("dispose",e),this.delete(r)};r.addEventListener("dispose",e)}const n=e.getCacheKey();let o=i[n];if(void 0===o){const a=e.textures,u=[];let l;for(let s=0;s<a.length;s++){const i=this.get(a[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:iS};r.isRenderTarget3D?(l=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=aS,n.depthOrArrayLayers=a[s].image.depth):r.isRenderTargetArray&&(n.dimension=nS,n.depthOrArrayLayers=a[s].image.depth);const o=i.texture.createView(n);let d,c;void 0!==i.msaaTexture?(d=i.msaaTexture.createView(),c=o):(d=o,c=void 0);let h={r:0,g:0,b:0,a:1};0===s&&t.clearValue&&(h=t.clearValue),u.push({view:d,depthSlice:l,resolveTarget:c,loadOp:t.loadOP||iN,storeOp:t.storeOP||sN,clearValue:h})}if(o={colorAttachments:u},e.depth){const t={view:this.get(e.depthTexture).texture.createView()};o.depthStencilAttachment=t}i[n]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace,s.dimensions=r.dimensions,s.depthSlice=l,s.loadOp=u[0].loadOp}return 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:iN}),this.initTimestampQuery(e,n),n.occlusionQuerySet=i;const o=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=nN,s.storeOp=sN):(s.loadOp=iN,s.storeOp=sN)}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=nN,t.storeOp=sN):(t.loadOp=iN,t.storeOp=sN)}e.depth&&(e.clearDepth?(o.depthClearValue=e.clearDepthValue,o.depthLoadOp=nN,o.depthStoreOp=sN):(o.depthLoadOp=iN,o.depthStoreOp=sN)),e.stencil&&(e.clearStencil?(o.stencilClearValue=e.clearStencilValue,o.stencilLoadOp=nN,o.stencilStoreOp=sN):(o.stencilLoadOp=iN,o.stencilStoreOp=sN));const a=r.createCommandEncoder({label:"renderContext_"+e.id}),u=a.beginRenderPass(n);if(t.descriptor=n,t.encoder=a,t.currentPass=u,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[],e.viewport&&this.updateViewport(e),e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;u.setScissorRect(t,r,s,i)}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;if(t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery(),t.currentPass.end(),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:o,maxDepth:a}=e.viewportValue;t.setViewport(r,s,i,n,o,a)}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 o,a,u,l,d=[];if(e){const e=this.getClearColor();a={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=a,e.loadOp=nN,e.storeOp=sN}(u||l)&&(o=t.depthStencilAttachment)}else{if(u=s.depth,l=s.stencil,e){d=this._getRenderPassDescriptor(s,{loadOp:nN,clearValue:a}).colorAttachments}if(u||l){o={view:this.get(s.depthTexture).texture.createView()}}}u&&(t?(o.depthLoadOp=nN,o.depthClearValue=n.getClearDepth(),o.depthStoreOp=sN):(o.depthLoadOp=iN,o.depthStoreOp=sN)),l&&(r?(o.stencilLoadOp=nN,o.stencilClearValue=n.getClearStencil(),o.stencilStoreOp=sN):(o.stencilLoadOp=iN,o.stencilStoreOp=sN));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:o}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(e,r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s){const{passEncoderGPU:i}=this.get(e),n=this.get(s).pipeline;i.setPipeline(n);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);i.setBindGroup(e,s.group)}const o=this.device.limits.maxComputeWorkgroupsPerDimension,a=this.get(t);void 0===a.dispatchSize&&(a.dispatchSize={x:0,y:1,z:1});const{dispatchSize:u}=a;t.dispatchCount>o?(u.x=Math.min(t.dispatchCount,o),u.y=Math.ceil(t.dispatchCount/o)):u.x=t.dispatchCount,i.dispatchWorkgroups(u.x,u.y,u.z)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}async waitForGPU(){await this.device.queue.onSubmittedWorkDone()}draw(e,t){const{object:r,material:s,context:i,pipeline:n}=e,o=e.getBindings(),a=this.get(i),u=this.get(n).pipeline,l=a.currentSets,d=a.currentPass,c=e.getDrawParameters();if(null===c)return;l.pipeline!==u&&(d.setPipeline(u),l.pipeline=u);const h=l.bindingGroups;for(let e=0,t=o.length;e<t;e++){const t=o[e],r=this.get(t);h[t.index]!==t.id&&(d.setBindGroup(t.index,r.group),h[t.index]=t.id)}const p=e.getIndex(),g=null!==p;if(!0===g&&l.index!==p){const e=this.get(p).buffer,t=p.array instanceof Uint16Array?dN:cN;d.setIndexBuffer(e,t),l.index=p}const m=e.getVertexBuffers();for(let e=0,t=m.length;e<t;e++){const t=m[e];if(l.attributes[e]!==t){const r=this.get(t).buffer;d.setVertexBuffer(e,r),l.attributes[e]=t}}if(void 0!==a.occlusionQuerySet){const e=a.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(d.endOcclusionQuery(),a.occlusionQueryIndex++),!0===r.occlusionTest&&(d.beginOcclusionQuery(a.occlusionQueryIndex),a.occlusionQueryObjects[a.occlusionQueryIndex]=r),a.lastOcclusionObject=r)}!0===i.stencil&&!0===s.stencilWrite&&a.currentStencilRef!==s.stencilRef&&(d.setStencilReference(s.stencilRef),a.currentStencilRef=s.stencilRef);const f=()=>{if(!0===r.isBatchedMesh){const e=r._multiDrawStarts,s=r._multiDrawCounts,i=r._multiDrawCount,n=r._multiDrawInstances;null!==n&&nt("THREE.WebGPUBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.");for(let o=0;o<i;o++){const i=n?n[o]:1,a=i>1?0:o;!0===g?d.drawIndexed(s[o],i,e[o]/p.array.BYTES_PER_ELEMENT,0,a):d.draw(s[o],i,e[o],a),t.update(r,s[o],i)}}else if(!0===g){const{vertexCount:s,instanceCount:i,firstVertex:n}=c,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;d.drawIndexedIndirect(e,0)}else d.drawIndexed(s,i,n,0,0);t.update(r,s,i)}else{const{vertexCount:s,instanceCount:i,firstVertex:n}=c,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;d.drawIndirect(e,0)}else d.draw(s,i,n,0);t.update(r,s,i)}};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 s=this.bindingUtils.createBindGroupIndex(i,e.layout);r.push(s)}t.indexesGPU=r}const o=this.renderer.getPixelRatio();for(let e=0,a=s.length;e<a;e++){const a=s[e];if(r.layers.test(a.layers)){const r=a.viewport;d.setViewport(Math.floor(r.x*o),Math.floor(r.y*o),Math.floor(r.width*o),Math.floor(r.height*o),i.viewportValue.minDepth,i.viewportValue.maxDepth),d.setBindGroup(n.index,t.indexesGPU[e]),f()}}}else f()}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),o=i.getCurrentColorSpace(e.context),a=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===o&&t.colorFormat===a&&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=o,t.colorFormat=a,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;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,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}createSampler(e){this.textureUtils.createSampler(e)}destroySampler(e){this.textureUtils.destroySampler(e)}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){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t){if(!this.trackTimestamp)return;const r=e.isComputeNode?"compute":"render";this.timestampQueryPool[r]||(this.timestampQueryPool[r]=new jS(this.device,r,2048));const s=this.timestampQueryPool[r],i=s.allocateQueriesForContext(e);t.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new VS(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)}createIndexAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}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.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(e){return this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){let n=0,o=0,a=0,u=0,l=0,d=0,c=e.image.width,h=e.image.height;null!==r&&(u=r.x,l=r.y,d=r.z||0,c=r.width,h=r.height),null!==s&&(n=s.x,o=s.y,a=s.z||0);const p=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),g=this.get(e).texture,m=this.get(t).texture;p.copyTextureToTexture({texture:g,mipLevel:i,origin:{x:u,y:l,z:d}},{texture:m,mipLevel:i,origin:{x:n,y:o,z:a}},[c,h,1]),this.device.queue.submit([p.finish()])}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 console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let o;if(s.currentPass?(s.currentPass.end(),o=s.encoder):o=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),o.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=iN;if(t.depth&&(e.depthStencilAttachment.depthLoadOp=iN),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=iN),s.currentPass=o.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor){const{x:e,y:r,width:i,height:n}=t.scissorValue;s.currentPass.setScissorRect(e,r,i,n)}}else this.device.queue.submit([o.finish()])}}class XS extends Xr{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 KS extends V_{constructor(){super(),this.addMaterial(ip,"MeshPhongMaterial"),this.addMaterial(jg,"MeshStandardMaterial"),this.addMaterial(Xg,"MeshPhysicalMaterial"),this.addMaterial(em,"MeshToonMaterial"),this.addMaterial(Kh,"MeshBasicMaterial"),this.addMaterial(rp,"MeshLambertMaterial"),this.addMaterial(Ih,"MeshNormalMaterial"),this.addMaterial(im,"MeshMatcapMaterial"),this.addMaterial(Rh,"LineBasicMaterial"),this.addMaterial(Eh,"LineDashedMaterial"),this.addMaterial(dm,"PointsMaterial"),this.addMaterial(um,"SpriteMaterial"),this.addMaterial(pm,"ShadowMaterial"),this.addLight(Pb,Kr),this.addLight(h_,Yr),this.addLight(f_,Qr),this.addLight(y_,Xr),this.addLight(b_,Zr),this.addLight(T_,Jr),this.addLight(__,es),this.addLight(x_,XS),this.addToneMapping(Qy,ts),this.addToneMapping(Zy,rs),this.addToneMapping(Jy,ss),this.addToneMapping(tx,is),this.addToneMapping(nx,ns),this.addToneMapping(ox,os)}}class YS extends sv{constructor(e={}){let t;e.forceWebGL?t=$v:(t=qS,e.getFallback=()=>(console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new $v(e)));super(new t(e),e),this.library=new KS,this.isWebGPURenderer=!0}}class QS extends as{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class ZS{constructor(e,t=Qi(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new Nh;r.name="PostProcessing",this._quadMesh=new ey(r)}render(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=ce;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;this._quadMesh.material.fragmentNode=!0===this.outputColorTransform?wu(this.outputNode,t,r):this.outputNode.context({toneMapping:t,outputColorSpace:r}),this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=ce;const s=e.xr.enabled;e.xr.enabled=!1,await this._quadMesh.renderAsync(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r}}class JS extends he{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=j,this.minFilter=j,this.isStorageTexture=!0}}class eR extends uy{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class tR extends us{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new ls(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):console.error(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]?(console.error("THREE.NodeLoader: Node type not found:",e),Oi()):Ci(new this.nodes[e])}}class rR extends ds{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 sR extends cs{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 tR;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 rR;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 iR extends as{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{is as ACESFilmicToneMapping,Oc as AONode,at as AddEquation,Q as AddOperation,Et as AdditiveBlending,ns as AgXToneMapping,Ot as AlphaFormat,Sr as AlwaysCompare,Pt as AlwaysDepth,Lr as AlwaysStencilFunc,Zr as AmbientLight,b_ as AmbientLightNode,Bb as AnalyticLightNode,$e as ArrayCamera,ks as ArrayElementNode,an as ArrayNode,Xn as AssignNode,Mu as AttributeNode,v as BackSide,Wh as BasicEnvironmentNode,De as BasicShadowMap,Rc as BatchNode,$ as BoxGeometry,ie as BufferAttribute,cu as BufferAttributeNode,se as BufferGeometry,Gu as BufferNode,Rd as BumpMapNode,QS as BundleGroup,Tu as BypassNode,st as ByteType,xu as CacheNode,Se as Camera,ss as CineonToneMapping,br as ClampToEdgeWrapping,iR as ClippingGroup,ax as CodeNode,e as Color,c as ColorManagement,Ja as ColorSpaceNode,fu as ComputeNode,Qs as ConstNode,Va as ContextNode,zs as ConvertNode,q as CubeCamera,S as CubeReflectionMapping,R as CubeRefractionMapping,X as CubeTexture,Yl as CubeTextureNode,oe as CubeUVReflectionMapping,vt as CullFaceBack,Nt as CullFaceFront,_t as CullFaceNone,St as CustomBlending,M as DataArrayTexture,Ke as DataTexture,Gr as DecrementStencilOp,Vr as DecrementWrapStencilOp,Ae as DepthFormat,Re as DepthStencilFormat,P as DepthTexture,Yr as DirectionalLight,h_ as DirectionalLightNode,Ne as DoubleSide,ft as DstAlphaFactor,mt as DstColorFactor,f as DynamicDrawUsage,zg as EnvironmentNode,Ar as EqualCompare,Bt as EqualDepth,Ur as EqualStencilFunc,Lh as EquirectUVNode,K as EquirectangularReflectionMapping,Y as EquirectangularRefractionMapping,N as Euler,a as EventDispatcher,Ru as ExpressionNode,ls as FileLoader,ke as Float16BufferAttribute,Fe as Float32BufferAttribute,B as FloatType,F as FramebufferTexture,Cl as FrontFacingNode,qe as FrontSide,Xe as Frustum,Yn as FunctionCallNode,lx as FunctionNode,_f as FunctionOverloadingNode,C_ as GLSLNodeParser,Cr as GreaterCompare,wt as GreaterDepth,Er as GreaterEqualCompare,Mt as GreaterEqualDepth,Fr as GreaterEqualStencilFunc,Br as GreaterStencilFunc,as as Group,le as HalfFloatType,Jr as HemisphereLight,T_ as HemisphereLightNode,XS as IESSpotLight,x_ as IESSpotLightNode,kr as IncrementStencilOp,Or as IncrementWrapStencilOp,gc as IndexNode,eR as IndirectStorageBufferAttribute,_c as InstanceNode,w as InstancedBufferAttribute,C as InstancedInterleavedBuffer,Nc as InstancedMeshNode,T as IntType,m as InterleavedBuffer,y as InterleavedBufferAttribute,zr as InvertStencilOp,zc as IrradianceNode,Ws as JoinNode,Hr as KeepStencilOp,Pe as LessCompare,Ut as LessDepth,Rr as LessEqualCompare,Ft as LessEqualDepth,Pr as LessEqualStencilFunc,Ir as LessStencilFunc,es as LightProbe,__ as LightProbeNode,k_ as Lighting,Gc as LightingContextNode,jh as LightingModel,Vc as LightingNode,Kx as LightsNode,Fh as Line2NodeMaterial,D as LineBasicMaterial,Rh as LineBasicNodeMaterial,V as LineDashedMaterial,Eh as LineDashedNodeMaterial,j as LinearFilter,Be as LinearMipMapLinearFilter,U as LinearMipmapLinearFilter,Oe as LinearMipmapNearestFilter,ce as LinearSRGBColorSpace,ts as LinearToneMapping,us as Loader,Mc as LoopNode,kt as LuminanceAlphaFormat,Gt as LuminanceFormat,gf as MRTNode,tm as MatcapUVNode,I as Material,ds as MaterialLoader,Cd as MaterialNode,rd as MaterialReferenceNode,u as MathUtils,i as Matrix2,n as Matrix3,o as Matrix4,jr as MaxEquation,Iu as MaxMipLevelNode,Zs as MemberNode,W as Mesh,ee as MeshBasicMaterial,Kh as MeshBasicNodeMaterial,te as MeshLambertMaterial,rp as MeshLambertNodeMaterial,fe as MeshMatcapMaterial,im as MeshMatcapNodeMaterial,k as MeshNormalMaterial,Ih as MeshNormalNodeMaterial,re as MeshPhongMaterial,ip as MeshPhongNodeMaterial,ge as MeshPhysicalMaterial,Xg as MeshPhysicalNodeMaterial,Yg as MeshSSSNodeMaterial,pe as MeshStandardMaterial,jg as MeshStandardNodeMaterial,me as MeshToonMaterial,em as MeshToonNodeMaterial,qr as MinEquation,Tr as MirroredRepeatWrapping,Z as MixOperation,ul as ModelNode,Lc as MorphNode,Rt as MultiplyBlending,J as MultiplyOperation,_r as NearestFilter,Ge as NearestMipmapLinearFilter,vr as NearestMipmapNearestFilter,os as NeutralToneMapping,Nr as NeverCompare,It as NeverDepth,Dr as NeverStencilFunc,O as NoBlending,x as NoColorSpace,p as NoToneMapping,Gs as Node,Ps as NodeAccess,IT as NodeAttribute,l_ as NodeBuilder,kT as NodeCache,OT as NodeCode,d_ as NodeFrame,c_ as NodeFunctionInput,tR as NodeLoader,Nh as NodeMaterial,rR as NodeMaterialLoader,ps as NodeMaterialObserver,sR as NodeObjectLoader,Bs as NodeShaderStage,Us as NodeType,LT as NodeUniform,Fs as NodeUpdateType,Ms as NodeUtils,DT as NodeVar,VT as NodeVarying,L as NormalBlending,_d as NormalMapNode,wr as NotEqualCompare,Ct as NotEqualDepth,Mr as NotEqualStencilFunc,Me as Object3D,tl as Object3DNode,cs as ObjectLoader,E as ObjectSpaceNormalMap,ct as OneFactor,Tt as OneMinusDstAlphaFactor,bt as OneMinusDstColorFactor,xt as OneMinusSrcAlphaFactor,yt as OneMinusSrcColorFactor,ae as OrthographicCamera,cf as OutputStructNode,je as PCFShadowMap,Bg as PMREMGenerator,Og as PMREMNode,of as ParameterNode,Ky as PassNode,ue as PerspectiveCamera,ep as PhongLightingModel,Xp as PhysicalLightingModel,we as Plane,Kr as PointLight,Pb as PointLightNode,gy as PointUVNode,xe as PointsMaterial,dm as PointsNodeMaterial,ZS as PostProcessing,Wy as PosterizeNode,yn as PropertyNode,ey as QuadMesh,fr as RED_GREEN_RGTC2_Format,gr as RED_RGTC1_Format,ze as REVISION,de as RGBAFormat,tt as RGBAIntegerFormat,dr as RGBA_ASTC_10x10_Format,ar as RGBA_ASTC_10x5_Format,ur as RGBA_ASTC_10x6_Format,lr as RGBA_ASTC_10x8_Format,cr as RGBA_ASTC_12x10_Format,hr as RGBA_ASTC_12x12_Format,Jt as RGBA_ASTC_4x4_Format,er as RGBA_ASTC_5x4_Format,tr as RGBA_ASTC_5x5_Format,rr as RGBA_ASTC_6x5_Format,sr as RGBA_ASTC_6x6_Format,ir as RGBA_ASTC_8x5_Format,nr as RGBA_ASTC_8x6_Format,or as RGBA_ASTC_8x8_Format,pr as RGBA_BPTC_Format,Zt as RGBA_ETC2_EAC_Format,Kt as RGBA_PVRTC_2BPPV1_Format,Xt as RGBA_PVRTC_4BPPV1_Format,$t as RGBA_S3TC_DXT1_Format,Wt as RGBA_S3TC_DXT3_Format,Ht as RGBA_S3TC_DXT5_Format,et as RGBFormat,Je as RGBIntegerFormat,Yt as RGB_ETC1_Format,Qt as RGB_ETC2_Format,qt as RGB_PVRTC_2BPPV1_Format,jt as RGB_PVRTC_4BPPV1_Format,zt as RGB_S3TC_DXT1_Format,Le as RGFormat,Ze as RGIntegerFormat,ry as RTTNode,Sx as RangeNode,Qr as RectAreaLight,f_ as RectAreaLightNode,Qe as RedFormat,Ye as RedIntegerFormat,Jl as ReferenceNode,Kf as ReflectorNode,rs as ReinhardToneMapping,vu as RemapNode,Cu as RenderOutputNode,ne as RenderTarget,ou as RendererReferenceNode,ob as RendererUtils,xr as RepeatWrapping,$r as ReplaceStencilOp,lt as ReverseSubtractEquation,nm as RotateNode,yr as SIGNED_RED_GREEN_RGTC2_Format,mr as SIGNED_RED_RGTC1_Format,G as SRGBColorSpace,h as SRGBTransfer,H as Scene,xy as SceneNode,Hc as ScreenNode,fx as ScriptableNode,cx as ScriptableValueNode,qs as SetNode,Yx as ShadowBaseNode,be as ShadowMaterial,bb as ShadowNode,pm as ShadowNodeMaterial,it as ShortType,Cc as SkinningNode,_ as Sphere,Ve as SphereGeometry,js as SplitNode,Xr as SpotLight,y_ as SpotLightNode,ye as SpriteMaterial,um as SpriteNodeMaterial,Bf as SpriteSheetUVNode,pt as SrcAlphaFactor,gt as SrcAlphaSaturateFactor,ht as SrcColorFactor,af as StackNode,g as StaticDrawUsage,ly as StorageArrayElementNode,uy as StorageBufferAttribute,cy as StorageBufferNode,ay as StorageInstancedBufferAttribute,JS as StorageTexture,vy as StorageTextureNode,df as StructNode,lf as StructTypeNode,ut as SubtractEquation,At as SubtractiveBlending,wT as TSL,A as TangentSpaceNormalMap,$s as TempNode,he as Texture,Ry as Texture3DNode,Du as TextureNode,Uu as TextureSizeNode,uu as ToneMappingNode,Yy as ToonOutlinePassNode,Uf as TriplanarTexturesNode,Ue as UVMapping,ve as Uint16BufferAttribute,_e as Uint32BufferAttribute,$u as UniformArrayNode,ln as UniformGroupNode,mn as UniformNode,Ce as UnsignedByteType,Ee as UnsignedInt248Type,Vt as UnsignedInt5999Type,b as UnsignedIntType,Lt as UnsignedShort4444Type,Dt as UnsignedShort5551Type,rt as UnsignedShortType,Ey as UserDataNode,Ie as VSMShadowMap,ka as VarNode,ja as VaryingNode,t as Vector2,r as Vector3,s as Vector4,py as VertexColorNode,lh as ViewportDepthNode,ah as ViewportDepthTextureNode,wh as ViewportSharedTextureNode,sh as ViewportTextureNode,xm as VolumeNodeMaterial,l as WebGLCoordinateSystem,z as WebGLCubeRenderTarget,d as WebGPUCoordinateSystem,YS as WebGPURenderer,We as WebXRController,dt as ZeroFactor,Wr as ZeroStencilOp,ot as createCanvasElement,Ls as defaultBuildStages,Is as defaultShaderStages,Ds as shaderStages,Vs as vectorComponents};
    7.
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