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+<html lang="en">
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+ <head>
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+ <title>WebGPU Sandbox</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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+ <link type="text/css" rel="stylesheet" href="main.css">
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+ </head>
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+ <body>
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> WebGPU - sandbox<br/>(Chrome Canary with flag: --enable-unsafe-webgpu)
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+ </div>
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+
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+ <script type="module">
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+
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+ import * as THREE from '../build/three.module.js';
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+
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+ import { DDSLoader } from './jsm/loaders/DDSLoader.js';
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+
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+ import WebGPURenderer from './jsm/renderers/webgpu/WebGPURenderer.js';
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+ import WebGPU from './jsm/renderers/webgpu/WebGPU.js';
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+
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+ import * as Nodes from './jsm/nodes/Nodes.js';
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+
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+ let camera, scene, renderer;
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+
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+ let box;
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+
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+ init().then( animate ).catch( error );
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+
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+ async function init() {
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+
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+ if ( WebGPU.isAvailable() === false ) {
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+
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+ document.body.appendChild( WebGPU.getErrorMessage() );
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+
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+ throw 'No WebGPU support';
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+
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+ }
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+
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+ camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 10 );
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+ camera.position.z = 4;
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+
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+ scene = new THREE.Scene();
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+ scene.background = new THREE.Color( 0x222222 );
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+
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+ // textured mesh
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+
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+ const textureLoader = new THREE.TextureLoader();
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+ const texture = textureLoader.load( './textures/uv_grid_opengl.jpg' );
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+
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+ const geometryBox = new THREE.BoxBufferGeometry();
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+ const materialBox = new THREE.MeshBasicMaterial( { map: texture } );
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+
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+ materialBox.color = new Nodes.ColorNode( 0x0099FF ).setReadonly( true );
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+
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+ box = new THREE.Mesh( geometryBox, materialBox );
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+ box.position.set( 0, 1, 0 );
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+ scene.add( box );
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+
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+ // data texture
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+
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+ const geometryPlane = new THREE.PlaneBufferGeometry();
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+ const materialPlane = new THREE.MeshBasicMaterial( { map: createDataTexture(), transparent: true, opacity: 0.5 } );
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+
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+ const plane = new THREE.Mesh( geometryPlane, materialPlane );
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+ plane.position.set( 0, - 1, 0 );
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+ scene.add( plane );
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+
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+ // compressed texture
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+
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+ const ddsLoader = new DDSLoader();
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+ const dxt5Texture = ddsLoader.load( './textures/compressed/explosion_dxt5_mip.dds' );
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+
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+ const materialCompressed = new THREE.MeshBasicMaterial( { map: dxt5Texture, transparent: true } );
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+
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+ const boxCompressed = new THREE.Mesh( geometryBox, materialCompressed );
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+ boxCompressed.position.set( - 2, 1, 0 );
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+ scene.add( boxCompressed );
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+
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+ // points
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+
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+ const points = [];
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+
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+ for ( let i = 0; i < 1000; i ++ ) {
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+
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+ const point = new THREE.Vector3().random().subScalar( 0.5 );
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+ points.push( point );
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+
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+ }
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+
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+ const geometryPoints = new THREE.BufferGeometry().setFromPoints( points );
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+ const materialPoints = new THREE.PointsMaterial();
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+
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+ const pointCloud = new THREE.Points( geometryPoints, materialPoints );
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+ pointCloud.position.set( 2, - 1, 0 );
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+ scene.add( pointCloud );
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+
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+ // lines
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+
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+ const geometryLine = new THREE.BufferGeometry().setFromPoints( [
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+ new THREE.Vector3( - 0.5, - 0.5, 0 ),
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+ new THREE.Vector3( 0.5, - 0.5, 0 ),
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+ new THREE.Vector3( 0.5, 0.5, 0 ),
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+ new THREE.Vector3( - 0.5, 0.5, 0 )
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+ ] );
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+ const materialLine = new THREE.LineBasicMaterial();
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+ const line = new THREE.Line( geometryLine, materialLine );
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+ line.position.set( 2, 1, 0 );
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+ scene.add( line );
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+
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+ //
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+
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+ renderer = new WebGPURenderer( { extensions: [ 'texture-compression-bc' ] } );
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ document.body.appendChild( renderer.domElement );
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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+
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+ return renderer.init();
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ }
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+
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+ function animate() {
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+
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+ requestAnimationFrame( animate );
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+
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+ box.rotation.x += 0.01;
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+ box.rotation.y += 0.02;
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ function createDataTexture() {
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+
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+ const color = new THREE.Color( 0xff0000 );
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+
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+ const width = 512;
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+ const height = 512;
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+
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+ const size = width * height;
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+ const data = new Uint8Array( 4 * size );
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+
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+ const r = Math.floor( color.r * 255 );
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+ const g = Math.floor( color.g * 255 );
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+ const b = Math.floor( color.b * 255 );
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+
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+ for ( let i = 0; i < size; i ++ ) {
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+
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+ const stride = i * 4;
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+
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+ data[ stride ] = r;
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+ data[ stride + 1 ] = g;
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+ data[ stride + 2 ] = b;
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+ data[ stride + 3 ] = 255;
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+
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+ }
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+
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+ return new THREE.DataTexture( data, width, height, THREE.RGBAFormat );
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+
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+ }
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+
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+ function error( error ) {
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+
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+ console.error( error );
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+
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+ }
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+
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+ </script>
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+ </body>
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+</html>
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sunag