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| 1 <!-- |
| 2 /* |
| 3 ** Copyright (c) 2012 The Khronos Group Inc. |
| 4 ** |
| 5 ** Permission is hereby granted, free of charge, to any person obtaining a |
| 6 ** copy of this software and/or associated documentation files (the |
| 7 ** "Materials"), to deal in the Materials without restriction, including |
| 8 ** without limitation the rights to use, copy, modify, merge, publish, |
| 9 ** distribute, sublicense, and/or sell copies of the Materials, and to |
| 10 ** permit persons to whom the Materials are furnished to do so, subject to |
| 11 ** the following conditions: |
| 12 ** |
| 13 ** The above copyright notice and this permission notice shall be included |
| 14 ** in all copies or substantial portions of the Materials. |
| 15 ** |
| 16 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 18 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 19 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 20 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 21 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 22 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| 23 */ |
| 24 --> |
| 25 <!DOCTYPE html> |
| 26 <html> |
| 27 <head> |
| 28 <meta charset="utf-8"> |
| 29 <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| 30 <script src="../../resources/js-test-pre.js"></script> |
| 31 <script src="../resources/webgl-test.js"></script> |
| 32 <script src="../resources/webgl-test-utils.js"></script> |
| 33 <script> |
| 34 var wtu = WebGLTestUtils; |
| 35 var gl = null; |
| 36 var textureLoc = null; |
| 37 var successfullyParsed = false; |
| 38 |
| 39 function init() |
| 40 { |
| 41 if (window.initNonKhronosFramework) { |
| 42 window.initNonKhronosFramework(true); |
| 43 } |
| 44 |
| 45 description('Tests there is no garbage in transparent regions of images uplo
aded as textures'); |
| 46 |
| 47 wtu = WebGLTestUtils; |
| 48 gl = wtu.create3DContext("example"); |
| 49 var program = wtu.setupTexturedQuad(gl); |
| 50 gl.clearColor(0.5,0.5,0.5,1); |
| 51 gl.clearDepth(1); |
| 52 |
| 53 textureLoc = gl.getUniformLocation(program, "tex"); |
| 54 |
| 55 // The input texture has 8 characters; take the leftmost one |
| 56 var coeff = 1.0 / 8.0; |
| 57 var texCoords = new Float32Array([ |
| 58 coeff, 1.0, |
| 59 0.0, 1.0, |
| 60 0.0, 0.0, |
| 61 coeff, 1.0, |
| 62 0.0, 0.0, |
| 63 coeff, 0.0]); |
| 64 |
| 65 var vbo = gl.createBuffer(); |
| 66 gl.bindBuffer(gl.ARRAY_BUFFER, vbo); |
| 67 gl.bufferData(gl.ARRAY_BUFFER, texCoords, gl.STATIC_DRAW); |
| 68 gl.enableVertexAttribArray(1); |
| 69 gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0); |
| 70 |
| 71 texture = wtu.loadTexture(gl, "../resources/bug-32888-texture.png", runTest)
; |
| 72 } |
| 73 |
| 74 // These two declarations need to be global for "shouldBe" to see them |
| 75 var buf = null; |
| 76 var idx = 0; |
| 77 |
| 78 function runTest() |
| 79 { |
| 80 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); |
| 81 gl.enable(gl.BLEND); |
| 82 gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA); |
| 83 // Bind the texture to texture unit 0 |
| 84 gl.bindTexture(gl.TEXTURE_2D, texture); |
| 85 // Point the uniform sampler to texture unit 0 |
| 86 gl.uniform1i(textureLoc, 0); |
| 87 // Draw the triangles |
| 88 wtu.drawQuad(gl, [0, 0, 0, 255]); |
| 89 |
| 90 // Spot check a couple of 2x2 regions in the upper and lower left |
| 91 // corners; they should be the rgb values in the texture. |
| 92 color = [0, 0, 0]; |
| 93 debug("Checking lower left corner"); |
| 94 wtu.checkCanvasRect(gl, 1, gl.canvas.height - 3, 2, 2, color, |
| 95 "shouldBe " + color); |
| 96 debug("Checking upper left corner"); |
| 97 wtu.checkCanvasRect(gl, 1, 1, 2, 2, color, |
| 98 "shouldBe " + color); |
| 99 |
| 100 finishTest(); |
| 101 } |
| 102 </script> |
| 103 </head> |
| 104 <body onload="init()"> |
| 105 <canvas id="example" width="32px" height="32px"></canvas> |
| 106 <div id="description"></div> |
| 107 <div id="console"></div> |
| 108 </body> |
| 109 </html> |
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Chromium Code Reviews
Issue 10399113:
Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/