webgpu_rtt.html 3.8 KB

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  1. <html lang="en">
  2. <head>
  3. <title>WebGPU RTT</title>
  4. <meta charset="utf-8">
  5. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  6. <link type="text/css" rel="stylesheet" href="main.css">
  7. </head>
  8. <body>
  9. <div id="info">
  10. <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> WebGPU - RTT<br/>(Chrome Canary with flag: --enable-unsafe-webgpu)
  11. </div>
  12. <script type="importmap">
  13. {
  14. "imports": {
  15. "three": "../build/three.module.js"
  16. }
  17. }
  18. </script>
  19. <script type="module">
  20. import * as THREE from 'three';
  21. import WebGPURenderer from './jsm/renderers/webgpu/WebGPURenderer.js';
  22. import WebGPUTextureRenderer from './jsm/renderers/webgpu/WebGPUTextureRenderer.js';
  23. import WebGPU from './jsm/renderers/webgpu/WebGPU.js';
  24. import TextureNode from './jsm/renderers/nodes/inputs/TextureNode.js';
  25. import OperatorNode from './jsm/renderers/nodes/math/OperatorNode.js';
  26. import Vector2Node from './jsm/renderers/nodes/inputs/Vector2Node.js';
  27. let camera, scene, renderer;
  28. const mouse = new THREE.Vector2();
  29. let cameraFX, sceneFX, textureRenderer;
  30. let box;
  31. const dpr = window.devicePixelRatio;
  32. init().then( animate ).catch( error );
  33. async function init() {
  34. if ( WebGPU.isAvailable() === false ) {
  35. document.body.appendChild( WebGPU.getErrorMessage() );
  36. throw 'No WebGPU support';
  37. }
  38. camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 10 );
  39. camera.position.z = 4;
  40. scene = new THREE.Scene();
  41. scene.background = new THREE.Color( 0x222222 );
  42. // textured mesh
  43. const loader = new THREE.TextureLoader();
  44. const texture = loader.load( './textures/uv_grid_opengl.jpg' );
  45. const geometryBox = new THREE.BoxGeometry();
  46. const materialBox = new THREE.MeshBasicMaterial();
  47. materialBox.colorNode = new TextureNode( texture );
  48. //
  49. box = new THREE.Mesh( geometryBox, materialBox );
  50. scene.add( box );
  51. //
  52. renderer = new WebGPURenderer();
  53. renderer.setPixelRatio( dpr );
  54. renderer.setSize( window.innerWidth, window.innerHeight );
  55. document.body.appendChild( renderer.domElement );
  56. textureRenderer = new WebGPUTextureRenderer( renderer );
  57. textureRenderer.setSize( window.innerWidth * dpr, window.innerHeight * dpr );
  58. window.addEventListener( 'mousemove', onWindowMouseMove, false );
  59. window.addEventListener( 'resize', onWindowResize, false );
  60. // FX
  61. cameraFX = new THREE.OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );
  62. sceneFX = new THREE.Scene();
  63. const geometryFX = new THREE.PlaneGeometry( 2, 2 );
  64. // modulate the final color based on the mouse position
  65. const screenFXNode = new OperatorNode( '+', new Vector2Node( mouse ), new Vector2Node( new THREE.Vector2( 0.5, 0.5 ) ).setConst( true ) );
  66. const materialFX = new THREE.MeshBasicMaterial();
  67. materialFX.colorNode = new OperatorNode( '*', new TextureNode( textureRenderer.getTexture() ), screenFXNode );
  68. const quad = new THREE.Mesh( geometryFX, materialFX );
  69. sceneFX.add( quad );
  70. //
  71. return renderer.init();
  72. }
  73. function onWindowMouseMove( e ) {
  74. mouse.x = e.offsetX / screen.width;
  75. mouse.y = e.offsetY / screen.height;
  76. }
  77. function onWindowResize() {
  78. camera.aspect = window.innerWidth / window.innerHeight;
  79. camera.updateProjectionMatrix();
  80. renderer.setSize( window.innerWidth, window.innerHeight );
  81. textureRenderer.setSize( window.innerWidth * dpr, window.innerHeight * dpr );
  82. }
  83. function animate() {
  84. requestAnimationFrame( animate );
  85. box.rotation.x += 0.01;
  86. box.rotation.y += 0.02;
  87. textureRenderer.render( scene, camera );
  88. renderer.render( sceneFX, cameraFX );
  89. }
  90. function error( error ) {
  91. console.error( error );
  92. }
  93. </script>
  94. </body>
  95. </html>