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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 - materials</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 materials
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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 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 { TeapotGeometry } from './jsm/geometries/TeapotGeometry.js';
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+
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+ import Node from './jsm/renderers/nodes/core/Node.js';
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+ import AttributeNode from './jsm/renderers/nodes/core/AttributeNode.js';
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+ import { NodeUpdateType } from './jsm/renderers/nodes/core/constants.js';
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+ import ColorNode from './jsm/renderers/nodes/inputs/ColorNode.js';
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+
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+ import Stats from './jsm/libs/stats.module.js';
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+
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+ class InstanceUniformNode extends Node {
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+
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+ constructor() {
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+
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+ super( 'vec3' );
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+
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+ this.updateType = NodeUpdateType.Object;
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+
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+ this.inputNode = new ColorNode( new THREE.Color() );
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+
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+ }
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+
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+ update( frame ) {
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+
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+ const object = frame.object;
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+
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+ this.inputNode.value.copy( object.color );
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+
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+ }
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+
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+ generate( builder, output ) {
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+
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+ return this.inputNode.build( builder, output );
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+
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+ }
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+
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+ }
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+
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+ let stats;
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+
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+ let camera, scene, renderer;
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+
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+ const objects = [];
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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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+ const container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
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+ camera.position.set( 0, 200, 800 );
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+
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+ scene = new THREE.Scene();
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+
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+ // Grid
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+
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+ const helper = new THREE.GridHelper( 1000, 40, 0x303030, 0x303030 );
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+ helper.material.colorNode = new AttributeNode( 'color', 'vec3' );
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+ helper.position.y = - 75;
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+ scene.add( helper );
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+
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+ // Materials
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+
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+ const instanceUniform = new InstanceUniformNode();
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+
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+ const material = new THREE.MeshBasicMaterial();
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+ material.colorNode = instanceUniform;
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+
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+ // Geometry
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+
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+ const geometry = new TeapotGeometry( 50, 18 );
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+
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+ for ( let i = 0, l = 10; i < l; i ++ ) {
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+
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+ // use material after fix material instance in WebGPU
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+ const materialTemp = new THREE.MeshBasicMaterial();
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+ materialTemp.colorNode = instanceUniform;
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+ // --
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+
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+ addMesh( geometry, materialTemp );
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+
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+ }
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+
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+ //
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+
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+ renderer = new WebGPURenderer();
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ container.appendChild( renderer.domElement );
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+
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+ //
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+
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+ stats = new Stats();
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+ container.appendChild( stats.dom );
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize );
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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 addMesh( geometry, material ) {
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+
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+ const mesh = new THREE.Mesh( geometry, material );
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+
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+ mesh.color = new THREE.Color( Math.random() * 0xffffff );
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+
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+ mesh.position.x = ( objects.length % 4 ) * 200 - 400;
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+ mesh.position.z = Math.floor( objects.length / 4 ) * 200 - 200;
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+
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+ mesh.rotation.x = Math.random() * 200 - 100;
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+ mesh.rotation.y = Math.random() * 200 - 100;
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+ mesh.rotation.z = Math.random() * 200 - 100;
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+
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+ objects.push( mesh );
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+
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+ scene.add( mesh );
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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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+ //
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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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+ render();
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+ stats.update();
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+
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+ }
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+
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+ function render() {
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+
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+ const timer = 0.0001 * Date.now();
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+
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+ camera.position.x = Math.cos( timer ) * 1000;
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+ camera.position.z = Math.sin( timer ) * 1000;
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+
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+ camera.lookAt( scene.position );
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+
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+ for ( let i = 0, l = objects.length; i < l; i ++ ) {
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+
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+ const object = objects[ i ];
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+
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+ object.rotation.x += 0.01;
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+ object.rotation.y += 0.005;
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+
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+ }
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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 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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+
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+ </body>
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+</html>
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sunag