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comparison: content/canvas/test/reftest/webgl-hanging-scissor-test.html
content/canvas/test/reftest/webgl-hanging-scissor-test.html
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| -1:000000000000 | 0:e25dda183309 |
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| 1 <!DOCTYPE html> | |
| 2 <html class="reftest-wait"> | |
| 3 <head> | |
| 4 <meta charset="UTF-8"> | |
| 5 | |
| 6 <script type="text/javascript" src="webgl-utils.js"></script> | |
| 7 <script type="text/javascript"> | |
| 8 /* Hanging Scissor Test | |
| 9 * | |
| 10 * Clear the canvas to green, but create and enable and set scissor values | |
| 11 * before returning. This can fail if we blindly blit or read from the screen | |
| 12 * without disabling scissor-test. | |
| 13 * | |
| 14 * Failure should look like only the top-left quadrant is rendered. | |
| 15 */ | |
| 16 | |
| 17 "use strict"; | |
| 18 | |
| 19 function renderGL(gl) { | |
| 20 gl.clearColor(0.0, 1.0, 0.0, 1.0); | |
| 21 gl.clear(gl.COLOR_BUFFER_BIT); | |
| 22 | |
| 23 gl.enable(gl.SCISSOR_TEST); | |
| 24 gl.scissor(0, 128, 128, 128); | |
| 25 | |
| 26 gl.finish(); | |
| 27 } | |
| 28 | |
| 29 function renderFailure(canvas) { | |
| 30 // This will also trigger RAF for us. | |
| 31 var context = canvas.getContext("2d"); | |
| 32 context.fillText('WebGL failed.', 64, 64); | |
| 33 } | |
| 34 | |
| 35 function runTest() { | |
| 36 var canvas = document.getElementById("canvas"); | |
| 37 var gl = initGL(canvas); | |
| 38 | |
| 39 if (gl) | |
| 40 renderGL(gl); | |
| 41 else | |
| 42 renderFailure(canvas); | |
| 43 | |
| 44 waitForComposite(testComplete); | |
| 45 } | |
| 46 | |
| 47 function testComplete() { | |
| 48 document.documentElement.removeAttribute("class"); | |
| 49 } | |
| 50 </script> | |
| 51 </head> | |
| 52 | |
| 53 <body onload="rAF(runTest);"> | |
| 54 <canvas id="canvas" width="256" height="256"></canvas> | |
| 55 </body> | |
| 56 | |
| 57 </html> |
