samien
/
three.js
mirror of https://github.com/mrdoob/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - fsr1</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<meta property="og:title" content="three.js webgpu - fsr1">
		<meta property="og:type" content="website">
		<meta property="og:url" content="https://threejs.org/examples/webgpu_upscaling_fsr1.html">
		<meta property="og:image" content="https://threejs.org/examples/screenshots/webgpu_upscaling_fsr1.jpg">
		<link type="text/css" rel="stylesheet" href="example.css">
	</head>
	<body>

		<div id="info" class="invert">
			<a href="https://threejs.org/" target="_blank" rel="noopener" class="logo-link"></a>

			<div class="title-wrapper">
				<a href="https://threejs.org/" target="_blank" rel="noopener">three.js</a><span>FSR 1</span>
			</div>

			<small>
				Web Port of <a href="https://gpuopen.com/fidelityfx-superresolution/" target="_blank" rel="noopener">AMD FidelityFX Super Resolution 1</a>.<br />
				Model: <a href="https://artstation.com/artwork/1AGwX" target="_blank" rel="noopener">Littlest Tokyo</a> by <a href="https://artstation.com/glenatron" target="_blank" rel="noopener">Glen Fox</a>, CC Attribution.
			</small>
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.webgpu.js",
					"three/webgpu": "../build/three.webgpu.js",
					"three/tsl": "../build/three.tsl.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three/webgpu';
			import { pass } from 'three/tsl';
			import { fsr1 } from 'three/addons/tsl/display/FSR1Node.js';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
			import { Inspector } from 'three/addons/inspector/Inspector.js';
			import { RoomEnvironment } from 'three/addons/environments/RoomEnvironment.js';
			import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';

			const params = {
				upscaleMethod: 'FSR1',
				resolutionScale: 0.5,
			};

			let camera, scene, renderer, renderPipeline, controls, mixer, timer;

			init();

			async function init() {

				camera = new THREE.PerspectiveCamera( 25, window.innerWidth / window.innerHeight, 0.1, 100 );
				camera.position.set( - 0.5, 0, 12 );

				scene = new THREE.Scene();

				timer = new THREE.Timer();
				timer.connect( document );
			
				// model

				const dracoLoader = new DRACOLoader();
				const loader = new GLTFLoader();
				loader.setDRACOLoader( dracoLoader );

				loader.load( 'models/gltf/LittlestTokyo.glb', function ( gltf ) {

					const model = gltf.scene;
					model.scale.set( 0.01, 0.01, 0.01 );
					scene.add( model );

					mixer = new THREE.AnimationMixer( model );
					mixer.clipAction( gltf.animations[ 0 ] ).play();

				} );

				// renderer

				renderer = new THREE.WebGPURenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				renderer.inspector = new Inspector();
				document.body.appendChild( renderer.domElement );

				await renderer.init();

				const pmremGenerator = new THREE.PMREMGenerator( renderer );

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0xbfe3dd );
				scene.environment = pmremGenerator.fromScene( new RoomEnvironment(), 0.04 ).texture;

				// controls

				controls = new OrbitControls( camera, renderer.domElement );
				controls.enableDamping = true;
				controls.target.set( - 0.5, 0, 0 );

				// render pipeline

				renderPipeline = new THREE.RenderPipeline( renderer );

				const scenePass = pass( scene, camera ).toInspector( 'Color' );
				scenePass.setResolutionScale( params.resolutionScale );

				// FSR 1

				const fsr1Node = fsr1( scenePass ).toInspector( 'FSR1' );

				//

				function updatePipeline() {

					if ( params.upscaleMethod === 'FSR1' ) {

						renderPipeline.outputNode = fsr1Node;

					} else {

						renderPipeline.outputNode = scenePass;

					}

					renderPipeline.needsUpdate = true;

				}

				// gui

				const gui = renderer.inspector.createParameters( 'Settings' );
				gui.add( params, 'upscaleMethod', [ 'Bilinear', 'FSR1' ] ).onChange( updatePipeline );
				gui.add( params, 'resolutionScale', 0.25, 1.0, 0.25 ).onChange( ( value ) => {

					scenePass.setResolutionScale( value );

				} );

				updatePipeline();

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				controls.update();

				timer.update();

				const delta = timer.getDelta();

				if ( mixer ) {
			
					mixer.update( delta );
			
				}

				renderPipeline.render();

			}

		</script>
	</body>
</html>