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326 lines
7.1 KiB
HTML
326 lines
7.1 KiB
HTML
2 months ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgpu - renderbundle</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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<style>
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#info {
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background-color: rgba(0,0,0,0.75);
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}
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</style>
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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 - renderbundle
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<br />
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(WebGL uses 10 times fewer meshes to prevent performance issues.)
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</div>
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<div id="backend" style="position: absolute; top: 200px; left: 0; color: #fff; background-color: rgba(0,0,0,0.75); padding: 5px;">
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Draw Calls: 0
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</div>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.webgpu.js",
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"three/webgpu": "../build/three.webgpu.js",
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"three/tsl": "../build/three.tsl.js",
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"three/addons/": "./jsm/",
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"stats-gl": "https://cdn.jsdelivr.net/npm/stats-gl@3.6.0/dist/main.js"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import Stats from 'stats-gl';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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let camera, scene, renderer;
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let controls, stats;
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let gui;
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let geometries, group;
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let renderTimeAverages = [];
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//
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const position = new THREE.Vector3();
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const rotation = new THREE.Euler();
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const quaternion = new THREE.Quaternion();
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const scale = new THREE.Vector3();
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//
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const MAX_GEOMETRY_COUNT = 4000;
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const api = {
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webgpu: true,
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renderBundle: true,
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count: MAX_GEOMETRY_COUNT,
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opacity: 1,
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dynamic: false
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};
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init( ! api.webgpu );
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//
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function randomizeMatrix( matrix ) {
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position.x = Math.random() * 80 - 40;
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position.y = Math.random() * 80 - 40;
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position.z = Math.random() * 80 - 40;
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rotation.x = Math.random() * 2 * Math.PI;
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rotation.y = Math.random() * 2 * Math.PI;
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rotation.z = Math.random() * 2 * Math.PI;
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quaternion.setFromEuler( rotation );
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const factorScale = api.webgpu ? 1 : 2.0;
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scale.x = scale.y = scale.z = 0.35 * factorScale + ( Math.random() * 0.5 * factorScale );
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return matrix.compose( position, quaternion, scale );
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}
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function randomizeRotationSpeed( rotation ) {
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rotation.x = Math.random() * .05;
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rotation.y = Math.random() * .05;
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rotation.z = Math.random() * .05;
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return rotation;
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}
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function initGeometries() {
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geometries = [
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new THREE.ConeGeometry( 1.0, 2.0, 3, 1 ),
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new THREE.BoxGeometry( 2.0, 2.0, 2.0 ),
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new THREE.PlaneGeometry( 2.0, 2, 1, 1 ),
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new THREE.CapsuleGeometry( ),
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new THREE.CircleGeometry( 1.0, 3 ),
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new THREE.CylinderGeometry( 1.0, 1.0, 2.0, 3, 1 ),
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new THREE.DodecahedronGeometry( 1.0, 0 ),
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new THREE.IcosahedronGeometry( 1.0, 0 ),
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new THREE.OctahedronGeometry( 1.0, 0 ),
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new THREE.PolyhedronGeometry( [ 0, 0, 0 ], [ 0, 0, 0 ], 1, 0 ),
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new THREE.RingGeometry( 1.0, 1.5, 3 ),
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new THREE.SphereGeometry( 1.0, 3, 2 ),
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new THREE.TetrahedronGeometry( 1.0, 0 ),
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new THREE.TorusGeometry( 1.0, 0.5, 3, 3 ),
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new THREE.TorusKnotGeometry( 1.0, 0.5, 20, 3, 1, 1 ),
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];
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}
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function cleanup() {
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if ( group ) {
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group.parent.remove( group );
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if ( group.dispose ) {
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group.dispose();
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}
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}
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}
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function initMesh( count ) {
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cleanup();
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initRegularMesh( count );
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}
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function initRegularMesh( count ) {
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group = api.renderBundle ? new THREE.BundleGroup() : new THREE.Group();
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for ( let i = 0; i < count; i ++ ) {
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const material = new THREE.MeshToonNodeMaterial( {
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color: new THREE.Color( Math.random() * 0xffffff ),
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side: THREE.DoubleSide,
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} );
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const child = new THREE.Mesh( geometries[ i % geometries.length ], material );
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randomizeMatrix( child.matrix );
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child.matrix.decompose( child.position, child.quaternion, child.scale );
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child.userData.rotationSpeed = randomizeRotationSpeed( new THREE.Euler() );
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child.frustumCulled = false;
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group.add( child );
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}
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scene.add( group );
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}
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async function init( forceWebGL = false ) {
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const count = api.count / ( api.webgpu ? 1 : 10 );
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renderTimeAverages = [];
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if ( renderer ) {
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renderer.dispose();
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controls.dispose();
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document.body.removeChild( stats.dom );
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document.body.removeChild( renderer.domElement );
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}
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// camera
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const aspect = window.innerWidth / window.innerHeight;
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camera = new THREE.PerspectiveCamera( 70, aspect, 1, 100 );
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camera.position.z = 50;
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// renderer
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renderer = new THREE.WebGPURenderer( { antialias: true, forceWebGL } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.setAnimationLoop( animate );
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// scene
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0xc1c1c1 );
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const light = new THREE.DirectionalLight( 0xffffff, 3.4 );
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scene.add( light );
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document.body.appendChild( renderer.domElement );
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await renderer.init();
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initGeometries();
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initMesh( count );
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controls = new OrbitControls( camera, renderer.domElement );
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controls.autoRotate = true;
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controls.autoRotateSpeed = 1.0;
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// stats
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stats = new Stats( {
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precision: 3,
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horizontal: false,
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trackGPU: true,
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} );
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stats.init( renderer );
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document.body.appendChild( stats.dom );
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stats.dom.style.position = 'absolute';
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// gui
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gui = new GUI();
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gui.add( api, 'renderBundle' ).onChange( () => {
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init( ! api.webgpu );
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} );
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gui.add( api, 'webgpu' ).onChange( () => {
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init( ! api.webgpu );
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} );
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gui.add( api, 'dynamic' ).onChange( () => {
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group.static = ! group.static;
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} );
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// listeners
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window.addEventListener( 'resize', onWindowResize );
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function onWindowResize() {
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const width = window.innerWidth;
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const height = window.innerHeight;
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camera.aspect = width / height;
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camera.updateProjectionMatrix();
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renderer.setSize( width, height );
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group.needsUpdate = true;
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}
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async function animate() {
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animateMeshes();
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controls.update();
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const renderTimeAverage = performance.now();
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renderer.render( scene, camera );
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// push only the last 60 render times
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renderTimeAverages.push( performance.now() - renderTimeAverage );
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if ( renderTimeAverages.length > 60 ) renderTimeAverages.shift();
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const average = renderTimeAverages.reduce( ( a, b ) => a + b, 0 ) / renderTimeAverages.length;
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renderer.resolveTimestampsAsync();
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stats.update();
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document.getElementById( 'backend' ).innerText = `Average Render Time ${api.renderBundle ? '(Bundle)' : ''}: ` + average.toFixed( 2 ) + 'ms';
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}
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function animateMeshes() {
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const count = api.count / ( api.webgpu ? 1 : 10 );
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const loopNum = api.dynamic ? count : 0;
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for ( let i = 0; i < loopNum; i ++ ) {
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const child = group.children[ i ];
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const rotationSpeed = child.userData.rotationSpeed;
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child.rotation.set(
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child.rotation.x + rotationSpeed.x,
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child.rotation.y + rotationSpeed.y,
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child.rotation.z + rotationSpeed.z
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);
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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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