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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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+
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+ <div id="info">
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+
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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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+
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+ </div>
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+
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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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+
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+ <script type="importmap">
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+ {
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+ "imports": {
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+ "three": "../build/three.module.js",
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+ "three/addons/": "./jsm/",
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+ "three/nodes": "./jsm/nodes/Nodes.js",
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+ "stats-gl": "https://cdn.jsdelivr.net/npm/[email protected]/dist/main.js"
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+ }
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+ }
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+ </script>
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+
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+ <script type="module">
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+ import * as THREE from 'three';
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+
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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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+ import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js';
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+ import { MeshToonNodeMaterial } from 'three/nodes';
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+
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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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+
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+ let renderTimeAverages = [];
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+ //
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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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+ //
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+
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+ const MAX_GEOMETRY_COUNT = 4000;
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+
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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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+ };
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+
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+
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+ init( ! api.webgpu );
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+
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+ //
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+
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+ function randomizeMatrix( matrix ) {
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+
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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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+
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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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+
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+ quaternion.setFromEuler( rotation );
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+
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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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+
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+ return matrix.compose( position, quaternion, scale );
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+
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+ }
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+
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+ function randomizeRotationSpeed( rotation ) {
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+
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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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+ }
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+
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+ function initGeometries() {
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+
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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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+ }
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+
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+
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+
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+
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+ function cleanup() {
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+
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+ if ( group ) {
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+
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+ group.parent.remove( group );
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+
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+ if ( group.dispose ) {
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+
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+ group.dispose();
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+
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+ }
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+
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+ }
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+
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+ }
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+
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+ function initMesh( count ) {
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+
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+ cleanup();
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+ initRegularMesh( count );
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+
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+ }
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+
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+
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+ function initRegularMesh( count ) {
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+
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+ group = new THREE.Group();
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+ group.static = api.renderBundle;
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+
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+ for ( let i = 0; i < count; i ++ ) {
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+
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+ const material = new 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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+
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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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+ }
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+
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+ scene.add( group );
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+
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+ }
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+
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+ async function init( forceWebGL = false ) {
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+
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+ const count = api.count / ( api.webgpu ? 1 : 10 );
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+
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+ renderTimeAverages = [];
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+
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+ if ( renderer ) {
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+
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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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+ }
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+
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+ // camera
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+
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+ const aspect = window.innerWidth / window.innerHeight;
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+
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+ camera = new THREE.PerspectiveCamera( 70, aspect, 1, 100 );
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+ camera.position.z = 50;
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+
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+ // renderer
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+
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+ renderer = new 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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+
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+ renderer.setAnimationLoop( animate );
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+
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+ // scene
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+
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+ scene = new THREE.Scene();
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+ scene.background = new THREE.Color( 0xc1c1c1 );
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+
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+ const light = new THREE.DirectionalLight( 0xffffff, 3.4 );
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+ scene.add( light );
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+
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+ document.body.appendChild( renderer.domElement );
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+
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+ await renderer.init();
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+
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+
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+ initGeometries();
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+ initMesh( count );
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+
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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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+
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+ // stats
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+
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+ stats = new Stats( {
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+ precision: 3,
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+ horizontal: false
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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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+
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+ // gui
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+
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+ gui = new GUI();
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+ gui.add( api, 'renderBundle' ).onChange( () => {
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+
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+ init( ! api.webgpu );
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+
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+ } );
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+
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+ gui.add( api, 'webgpu' ).onChange( () => {
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+
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+ init( ! api.webgpu );
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+
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+ } );
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+
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+ // listeners
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ function onWindowResize() {
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+
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+ const width = window.innerWidth;
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+ const height = window.innerHeight;
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+
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+ camera.aspect = width / height;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( width, height );
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+ group.needsUpdate = true;
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+
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+ }
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+
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+ async function animate() {
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+
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+ animateMeshes();
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+
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+ controls.update();
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+
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+ const renderTimeAverage = performance.now();
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+ renderer.render( scene, camera );
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+
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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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+
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+ const average = renderTimeAverages.reduce( ( a, b ) => a + b, 0 ) / renderTimeAverages.length;
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+ stats.update();
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+
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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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+ }
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+
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+ function animateMeshes() {
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+
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+ const count = api.count / ( api.webgpu ? 1 : 10 );
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+ const countDynamic = api.dynamic / ( api.webgpu ? 1 : 10 );
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+
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+ const loopNum = Math.min( count, countDynamic );
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+
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+
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+ for ( let i = 0; i < loopNum; i ++ ) {
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+
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+ const child = group.children[ i ];
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+ const rotationSpeed = child.userData.rotationSpeed;
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+
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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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+ }
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+
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+}
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+ </script>
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+
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+</body>
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+</html>
|
Renaud Rohlinger
