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| 1 <!-- |
| 2 |
| 3 /* |
| 4 ** Copyright (c) 2012 The Khronos Group Inc. |
| 5 ** |
| 6 ** Permission is hereby granted, free of charge, to any person obtaining a |
| 7 ** copy of this software and/or associated documentation files (the |
| 8 ** "Materials"), to deal in the Materials without restriction, including |
| 9 ** without limitation the rights to use, copy, modify, merge, publish, |
| 10 ** distribute, sublicense, and/or sell copies of the Materials, and to |
| 11 ** permit persons to whom the Materials are furnished to do so, subject to |
| 12 ** the following conditions: |
| 13 ** |
| 14 ** The above copyright notice and this permission notice shall be included |
| 15 ** in all copies or substantial portions of the Materials. |
| 16 ** |
| 17 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 18 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 19 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 20 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 21 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 22 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 23 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| 24 */ |
| 25 |
| 26 --> |
| 27 |
| 28 <!DOCTYPE html> |
| 29 <html> |
| 30 <head> |
| 31 <meta charset="utf-8"> |
| 32 <title>Check that the canvas is NOT recomposited after calling readPixels</title
> |
| 33 <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| 34 <script src="../../resources/js-test-pre.js"></script> |
| 35 <script src="../resources/webgl-test.js"></script> |
| 36 <script src="../resources/webgl-test-utils.js"></script> |
| 37 <style> |
| 38 canvas { |
| 39 border: 1px solid black; |
| 40 } |
| 41 .correct { |
| 42 border: 1px solid black; |
| 43 background-color: #00ff00; |
| 44 } |
| 45 </style> |
| 46 </head> |
| 47 <body> |
| 48 <pre> |
| 49 This test must be run manually. |
| 50 |
| 51 This test tests that a canvas is NOT cleared |
| 52 and recomposited after calling readPixels. |
| 53 |
| 54 You should see a <span class="correct">green rectangle</span> |
| 55 with black a outline on success. |
| 56 </pre> |
| 57 <canvas id='c'></canvas> |
| 58 <div id="console"></div> |
| 59 <script> |
| 60 "use strict"; |
| 61 var wtu = WebGLTestUtils; |
| 62 var c = document.getElementById("c"); |
| 63 var gl = wtu.create3DContext(c); |
| 64 gl.clearColor(0,1,0,1); |
| 65 gl.clear(gl.COLOR_BUFFER_BIT); |
| 66 wtu.waitForComposite(gl, function() { |
| 67 gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(4)); |
| 68 glErrorShouldBe(gl, gl.NO_ERROR, "no errors"); |
| 69 }); |
| 70 </script> |
| 71 </body> |
| 72 </html> |
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Chromium Code Reviews
Issue 41503006:
Add ToT WebGL conformance tests : part 8 (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/