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| 1 <!-- |
| 2 Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 3 Use of this source code is governed by a BSD-style license that can be |
| 4 found in the LICENSE file. |
| 5 --> |
| 6 <html> |
| 7 <head> |
| 8 <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| 9 <script src="../../resources/js-test-pre.js"></script> |
| 10 <script src="../resources/webgl-test.js"></script> |
| 11 <script src="../resources/webgl-test-utils.js"></script> |
| 12 <script> |
| 13 var wtu = WebGLTestUtils; |
| 14 var gl = null; |
| 15 var textureLoc = null; |
| 16 var successfullyParsed = false; |
| 17 |
| 18 if (window.initNonKhronosFramework) { |
| 19 window.initNonKhronosFramework(true); |
| 20 } |
| 21 |
| 22 function init() |
| 23 { |
| 24 description('Verify npot video'); |
| 25 |
| 26 var canvas = document.getElementById("example"); |
| 27 gl = wtu.create3DContext(canvas); |
| 28 var program = wtu.setupTexturedQuad(gl); |
| 29 |
| 30 gl.clearColor(0,0,0,1); |
| 31 gl.clearDepth(1); |
| 32 |
| 33 textureLoc = gl.getUniformLocation(program, "tex"); |
| 34 |
| 35 var video = document.getElementById("vid"); |
| 36 video.addEventListener( |
| 37 "playing", function() { runTest(video); }, true); |
| 38 video.loop = true; |
| 39 video.play(); |
| 40 } |
| 41 |
| 42 // These two declarations need to be global for "shouldBe" to see them |
| 43 var buf = null; |
| 44 var idx = 0; |
| 45 var pixel = [0, 0, 0]; |
| 46 var correctColor = null; |
| 47 var texture; |
| 48 |
| 49 function runOneIteration(videoElement, useTexSubImage2D, flipY, topColor, bottom
Color, badMinFilter, badClamp, genMips) |
| 50 { |
| 51 debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') + |
| 52 ' with flipY=' + flipY); |
| 53 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); |
| 54 // Disable any writes to the alpha channel |
| 55 gl.colorMask(1, 1, 1, 0); |
| 56 if (!texture) { |
| 57 texture = gl.createTexture(); |
| 58 } |
| 59 // Bind the texture to texture unit 0 |
| 60 gl.bindTexture(gl.TEXTURE_2D, texture); |
| 61 // Set up pixel store parameters |
| 62 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY); |
| 63 // Upload the videoElement into the texture |
| 64 debug("size: " + videoElement.videoWidth + "x" + videoElement.videoHeight); |
| 65 if (useTexSubImage2D) { |
| 66 // Initialize the texture to black first |
| 67 debug("use texSubImage2D"); |
| 68 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, |
| 69 videoElement.videoWidth, videoElement.videoHeight, 0, |
| 70 gl.RGBA, gl.UNSIGNED_BYTE, null); |
| 71 gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, vide
oElement); |
| 72 } else { |
| 73 debug("use texImage2D"); |
| 74 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, vide
oElement); |
| 75 } |
| 76 |
| 77 // Set up texture parameters |
| 78 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); |
| 79 if (badMinFilter) { |
| 80 debug("bad min filter"); |
| 81 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_
NEAREST); |
| 82 } else { |
| 83 debug("good min filter"); |
| 84 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); |
| 85 } |
| 86 if (badClamp) { |
| 87 debug("bad clamp"); |
| 88 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT); |
| 89 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT); |
| 90 } else { |
| 91 debug("good clamp"); |
| 92 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
| 93 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
| 94 } |
| 95 if (genMips) { |
| 96 debug("generate mips"); |
| 97 gl.generateMipmap(gl.TEXTURE_2D); |
| 98 glErrorShouldBe(gl, gl.INVALID_OPERATION, "should be INVALID_OPERATION")
; |
| 99 } |
| 100 |
| 101 gl.bindTexture(gl.TEXTURE_2D, null); |
| 102 gl.bindTexture(gl.TEXTURE_2D, texture); |
| 103 |
| 104 // var c = document.createElement("canvas"); |
| 105 // c.width = 16; |
| 106 // c.height = 16; |
| 107 // c.style.border = "1px solid black"; |
| 108 // var ctx = c.getContext("2d"); |
| 109 // ctx.drawImage(videoElement, 0, 0, 16, 16); |
| 110 // document.body.appendChild(c); |
| 111 |
| 112 // Point the uniform sampler to texture unit 0 |
| 113 gl.uniform1i(textureLoc, 0); |
| 114 // Draw the triangles |
| 115 wtu.drawQuad(gl, [0, 0, 0, 255]); |
| 116 // Check a few pixels near the top and bottom and make sure they have |
| 117 // the right color. |
| 118 debug("Checking lower left corner"); |
| 119 wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor, |
| 120 "shouldBe " + bottomColor); |
| 121 debug("Checking upper left corner"); |
| 122 wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor, |
| 123 "shouldBe " + topColor); |
| 124 debug(""); |
| 125 } |
| 126 |
| 127 function runTest(videoElement) |
| 128 { |
| 129 var red = [255, 0, 0]; |
| 130 var green = [0, 255, 0]; |
| 131 var black = [0, 0, 0]; |
| 132 runOneIteration(videoElement, false, true, black, black, true, true, true); |
| 133 runOneIteration(videoElement, false, true, black, black, true, false, false)
; |
| 134 runOneIteration(videoElement, false, true, black, black, false, true, false)
; |
| 135 runOneIteration(videoElement, false, true, black, black, true, true, false); |
| 136 runOneIteration(videoElement, false, true, green, red, false, false, false); |
| 137 runOneIteration(videoElement, false, false, red, green, false, false, false)
; |
| 138 runOneIteration(videoElement, true, true, green, red, false, false, false); |
| 139 runOneIteration(videoElement, true, false, red, green, false, false, false); |
| 140 |
| 141 glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors"); |
| 142 finishTest(); |
| 143 } |
| 144 </script> |
| 145 </head> |
| 146 <body onload="init()"> |
| 147 <canvas id="example" width="64px" height="48px"></canvas> |
| 148 <div id="description"></div> |
| 149 <div id="console"></div> |
| 150 <video id="vid" style="display:none;"> |
| 151 <source src="../resources/npot-video.mp4" type='video/mp4; codecs="avc1.42E01
E"' /> |
| 152 <source src="../resources/npot-video.webmvp8.webm" type='video/webm; codecs="v
p8"' /> |
| 153 <source src="../resources/npot-video.theora.ogv" type='video/ogg; codecs="the
ora"' /> |
| 154 </video> |
| 155 </body> |
| 156 </html> |
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Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/