webgl_postprocessing_fxaa.html 2.8 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - postprocessing - FXAA 3.11</title>
  5. <meta charset="utf-8">
  6. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  7. <style>
  8. body {
  9. color: #61443e;
  10. font-family:Monospace;
  11. font-size:13px;
  12. text-align:center;
  13. /* background-color: #bfd1e5; */
  14. background-color: #ffffff;
  15. margin: 0px;
  16. overflow: hidden;
  17. }
  18. a { color: #a06851; }
  19. canvas {
  20. margin: 20px;
  21. margin-top: 40px;
  22. }
  23. </style>
  24. </head>
  25. <body>
  26. <div id="info">
  27. <p><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - FXAA example </p>
  28. <p>original image (left) - FXAA 3.11 post-processing antialiasing (right)</p>
  29. <p>Image source: <a href="https://github.com/mattdesl/glsl-fxaa" target="_blank" rel="noopener">glsl-fxaa by mattdesl</a></p>
  30. </div>
  31. <div id="container"></div>
  32. <script src="../build/three.js"></script>
  33. <script src="js/shaders/FXAAShader.js"></script>
  34. <script src="js/Detector.js"></script>
  35. <script>
  36. ( function closure() {
  37. 'use strict';
  38. if ( ! Detector.webgl ) {
  39. Detector.addGetWebGLMessage();
  40. }
  41. var loader = new THREE.TextureLoader();
  42. loader.load( "textures/fxaa_scene.png", function onLoad( texture ) {
  43. var image = texture.image;
  44. texture.minFilter = THREE.LinearFilter;
  45. texture.magFilter = THREE.LinearFilter;
  46. var fxaaMaterial = new THREE.ShaderMaterial( THREE.FXAAShader );
  47. fxaaMaterial.uniforms.tDiffuse.value = texture;
  48. fxaaMaterial.uniforms.resolution.value.x = 1 / image.naturalWidth;
  49. fxaaMaterial.uniforms.resolution.value.y = 1 / image.naturalHeight;
  50. var basicMaterial = new THREE.MeshBasicMaterial( { map: texture } );
  51. var plane = new THREE.PlaneBufferGeometry( 1, 1 );
  52. var quad1 = new THREE.Mesh( plane, basicMaterial );
  53. var quad2 = new THREE.Mesh( plane, fxaaMaterial );
  54. var scene1 = new THREE.Scene();
  55. var scene2 = new THREE.Scene();
  56. scene1.add( quad1 );
  57. scene2.add( quad2 );
  58. var camera = new THREE.OrthographicCamera( -0.5, 0.5, 0.5, -0.5, -0.5, 0.5 );
  59. var container = document.getElementById( 'container' );
  60. var renderer1 = new THREE.WebGLRenderer();
  61. renderer1.setPixelRatio( window.devicePixelRatio );
  62. renderer1.setSize( image.naturalWidth, image.naturalHeight );
  63. container.appendChild( renderer1.domElement );
  64. var renderer2 = new THREE.WebGLRenderer();
  65. renderer2.setPixelRatio( window.devicePixelRatio );
  66. renderer2.setSize( image.naturalWidth, image.naturalHeight );
  67. container.appendChild( renderer2.domElement );
  68. renderer1.render( scene1, camera );
  69. renderer2.render( scene2, camera );
  70. });
  71. })();
  72. </script>
  73. </body>
  74. </html>