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+<html lang="en">
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+ <head>
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+ <title>WebGPU RTT</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 - RTT<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 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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+ let camera, scene, renderer;
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+
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+ let cameraFX, sceneFX, renderTarget;
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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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+ cameraFX = new THREE.OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );
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+ sceneFX = new THREE.Scene();
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+
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+ // textured mesh
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+
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+ const loader = new THREE.TextureLoader();
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+ const texture = loader.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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+ box = new THREE.Mesh( geometryBox, materialBox );
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+ scene.add( box );
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+
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+ //
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+
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+ const dpr = window.devicePixelRatio;
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+
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+ renderer = new WebGPURenderer();
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+ renderer.setPixelRatio( dpr );
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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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+ renderTarget = new THREE.WebGLRenderTarget( window.innerWidth * dpr, window.innerHeight * dpr );
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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+
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+ // FX
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+
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+ // @TODO Until NodeMaterial is available just copy the beauty pass to screen
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+
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+ var geometryFX = new THREE.PlaneBufferGeometry( 2, 2 );
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+ var materialFX = new THREE.MeshBasicMaterial( { map: renderTarget.texture } );
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+
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+ const quad = new THREE.Mesh( geometryFX, materialFX );
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+ sceneFX.add( quad );
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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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+ // @TODO Resize render target, implement respective .dispose()
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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.setRenderTarget( renderTarget );
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+ renderer.render( scene, camera );
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+
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+ renderer.setRenderTarget( null );
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+ renderer.render( sceneFX, cameraFX );
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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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Mugen87