The Tor Browser / file comparison
comparison: content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-image-data.html
content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-image-data.html
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:9468fa7d0c32 |
|---|---|
| 1 <!-- | |
| 2 Copyright (c) 2011 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 <!DOCTYPE html> | |
| 7 <html> | |
| 8 <head> | |
| 9 <meta charset="utf-8"> | |
| 10 <link rel="stylesheet" href="../../resources/js-test-style.css"/> | |
| 11 <script src="../../resources/js-test-pre.js"></script> | |
| 12 <script src="../resources/webgl-test.js"></script> | |
| 13 <script src="../resources/webgl-test-utils.js"></script> | |
| 14 <script> | |
| 15 var wtu = WebGLTestUtils; | |
| 16 var gl = null; | |
| 17 var textureLoc = null; | |
| 18 var successfullyParsed = false; | |
| 19 var imageData = null; | |
| 20 | |
| 21 function init() | |
| 22 { | |
| 23 if (window.initNonKhronosFramework) { | |
| 24 window.initNonKhronosFramework(true); | |
| 25 } | |
| 26 | |
| 27 description('Verify texImage2D and texSubImage2D code paths taking ImageData'); | |
| 28 | |
| 29 var canvas2d = document.getElementById("texcanvas"); | |
| 30 var context2d = canvas2d.getContext("2d"); | |
| 31 imageData = context2d.createImageData(1, 2); | |
| 32 var data = imageData.data; | |
| 33 data[0] = 255; | |
| 34 data[1] = 0; | |
| 35 data[2] = 0; | |
| 36 data[3] = 255; | |
| 37 data[4] = 0; | |
| 38 data[5] = 255; | |
| 39 data[6] = 0; | |
| 40 data[7] = 0; | |
| 41 | |
| 42 wtu = WebGLTestUtils; | |
| 43 var canvas = document.getElementById("example"); | |
| 44 gl = wtu.create3DContext(canvas); | |
| 45 var program = wtu.setupTexturedQuad(gl); | |
| 46 gl.clearColor(0,0,0,1); | |
| 47 gl.clearDepth(1); | |
| 48 gl.disable(gl.BLEND); | |
| 49 | |
| 50 textureLoc = gl.getUniformLocation(program, "tex"); | |
| 51 | |
| 52 runTest(); | |
| 53 } | |
| 54 | |
| 55 // These two declarations need to be global for "shouldBe" to see them | |
| 56 var buf = null; | |
| 57 var idx = 0; | |
| 58 var pixel = [0, 0, 0, 1]; | |
| 59 var correctColor = null; | |
| 60 | |
| 61 function runOneIteration(useTexSubImage2D, flipY, premultiplyAlpha, topColor, bottomColor) | |
| 62 { | |
| 63 debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') + | |
| 64 ' with flipY=' + flipY + ' and premultiplyAlpha=' + premultiplyAlpha); | |
| 65 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 66 // Enable writes to the RGBA channels | |
| 67 gl.colorMask(1, 1, 1, 0); | |
| 68 var texture = gl.createTexture(); | |
| 69 // Bind the texture to texture unit 0 | |
| 70 gl.bindTexture(gl.TEXTURE_2D, texture); | |
| 71 // Set up texture parameters | |
| 72 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); | |
| 73 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); | |
| 74 // Set up pixel store parameters | |
| 75 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY); | |
| 76 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, premultiplyAlpha); | |
| 77 // Upload the image into the texture | |
| 78 if (useTexSubImage2D) { | |
| 79 // Initialize the texture to black first | |
| 80 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 2, 0, | |
| 81 gl.RGBA, gl.UNSIGNED_BYTE, null); | |
| 82 gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData); | |
| 83 } else { | |
| 84 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, imageData); | |
| 85 } | |
| 86 | |
| 87 // Point the uniform sampler to texture unit 0 | |
| 88 gl.uniform1i(textureLoc, 0); | |
| 89 // Draw the triangles | |
| 90 wtu.drawQuad(gl, [0, 0, 0, 255]); | |
| 91 | |
| 92 // Read back the rendering results | |
| 93 buf = new Uint8Array(1 * 2 * 4); | |
| 94 gl.readPixels(0, 0, 1, 2, gl.RGBA, gl.UNSIGNED_BYTE, buf); | |
| 95 // Check the top pixel and bottom pixel and make sure they have | |
| 96 // the right color. | |
| 97 debug("Checking bottom pixel"); | |
| 98 wtu.checkCanvasRect(gl, 0, 0, 1, 1, bottomColor, "shouldBe " + bottomColor); | |
| 99 debug("Checking top pixel"); | |
| 100 wtu.checkCanvasRect(gl, 0, 1, 1, 1, topColor, "shouldBe " + topColor); | |
| 101 } | |
| 102 | |
| 103 function runTest() | |
| 104 { | |
| 105 var red = [255, 0, 0, 255]; | |
| 106 var green = [0, 255, 0, 255]; | |
| 107 var redPremultiplyAlpha = [255, 0, 0, 255]; | |
| 108 var greenPremultiplyAlpha = [0, 0, 0, 255]; | |
| 109 | |
| 110 runOneIteration(false, true, false, | |
| 111 red, green); | |
| 112 runOneIteration(false, false, false, | |
| 113 green, red); | |
| 114 runOneIteration(false, true, true, | |
| 115 redPremultiplyAlpha, greenPremultiplyAlpha); | |
| 116 runOneIteration(false, false, true, | |
| 117 greenPremultiplyAlpha, redPremultiplyAlpha); | |
| 118 runOneIteration(true, true, false, | |
| 119 red, green); | |
| 120 runOneIteration(true, false, false, | |
| 121 green, red); | |
| 122 runOneIteration(true, true, true, | |
| 123 redPremultiplyAlpha, greenPremultiplyAlpha); | |
| 124 runOneIteration(true, false, true, | |
| 125 greenPremultiplyAlpha, redPremultiplyAlpha); | |
| 126 | |
| 127 glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors"); | |
| 128 finishTest(); | |
| 129 } | |
| 130 </script> | |
| 131 </head> | |
| 132 <body onload="init()"> | |
| 133 <canvas id="texcanvas" width="1px" height="2px"></canvas> | |
| 134 <canvas id="example" width="1px" height="2px"></canvas> | |
| 135 <div id="description"></div> | |
| 136 <div id="console"></div> | |
| 137 </body> | |
| 138 </html> |
