Chromium Code Reviews Chromium Code Reviews
Issue 389273002:
Fix copyImage for WebGL elements. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| OLD | NEW |
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| (Empty) | |
| 1 <!-- This is a test for crbug.com/392765, in which Copy image for | |
| 2 WebGL elements were crashing. Must be run with the threaded | |
| 3 compositor enabled. --> | |
| 4 <head> | |
| 5 <script src="../../resources/js-test.js"></script> | |
| 6 <script> | |
| 7 var gl; | |
| 8 | |
| 9 function main() | |
| 10 { | |
| 11 if (!window.testRunner) { | |
| 12 testFailed("Requires window.testRunner"); | |
| 13 } else { | |
| 14 testRunner.waitUntilDone(); | |
| 15 testRunner.dumpAsText(); | |
| 16 window.requestAnimationFrame(initTest); | |
| 17 } | |
| 18 } | |
| 19 | |
| 20 var tolerance = 1; | |
| 21 | |
| 22 function initTest() { | |
| 23 var canvas = document.getElementById("c"); | |
| 24 gl = canvas.getContext("webgl"); | |
| 25 if (!gl) { | |
| 26 testFailed("Test requires WebGL"); | |
| 27 testRunner.notifyDone(); | |
| 28 return; | |
| 29 } | |
| 30 | |
| 31 gl.clearColor(1, 0, 0, 1); | |
| 32 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 33 | |
| 34 window.requestAnimationFrame(runTest); | |
| 35 } | |
| 36 | |
| 37 var testsAndExpectations = [ | |
| 38 { 'point': [50, 50], 'expected': 'exists' }, | |
| 39 { 'point': [400, 400], 'expected': 'does not exist' } | |
| 40 ]; | |
| 41 | |
| 42 var testIndex = 0; | |
| 43 function runTest() { | |
| 44 if (testIndex >= testsAndExpectations.length) { | |
| 45 testRunner.notifyDone(); | |
| 46 return; | |
| 47 } | |
| 48 | |
| 49 try { | |
| 50 var test = testsAndExpectations[testIndex]; | |
| 51 var point = test['point']; | |
| 52 testRunner.copyImageAtAndCapturePixelsAsyncThen(point[0], point[1], completi onCallback); | |
| 53 } catch (e) { | |
| 54 debug('error in runTest'); | |
| 55 debug(e); | |
| 56 testRunner.notifyDone(); | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 var pixel; | |
| 61 function fetchPixelAt(x, y, width, height, snapshot) { | |
| 62 var data = new Uint8Array(snapshot); | |
| 63 pixel = [ | |
| 64 data[4 * (width * y + x) + 0], | |
| 65 data[4 * (width * y + x) + 1], | |
| 66 data[4 * (width * y + x) + 2], | |
| 67 data[4 * (width * y + x) + 3] | |
| 68 ]; | |
| 69 } | |
| 70 | |
| 71 function completionCallback(width, height, snapshot) { | |
| 72 try { | |
| 73 var test = testsAndExpectations[testIndex]; | |
| 74 var point = test['point']; | |
| 75 debug('Test ' + testIndex + ": WebGL element " + test['expected'] + ' at ' + point); | |
| 76 | |
| 77 if (width > 0 && height > 0) { | |
|
Ken Russell (switch to Gerrit)
2014/07/17 21:32:31
This doesn't actually verify that the attempt to f
hj.r.chung
2014/07/18 06:31:39
Done.
| |
| 78 fetchPixelAt(50, 50, width, height, snapshot); | |
| 79 shouldBeCloseTo('pixel[0]', 255, tolerance); | |
| 80 shouldBeCloseTo('pixel[1]', 0, tolerance); | |
| 81 shouldBeCloseTo('pixel[2]', 0, tolerance); | |
| 82 } | |
| 83 } catch (e) { | |
| 84 debug('error in completionCallback'); | |
| 85 debug(e); | |
| 86 testRunner.notifyDone(); | |
| 87 return; | |
| 88 } | |
| 89 | |
| 90 ++testIndex; | |
| 91 window.requestAnimationFrame(runTest); | |
| 92 } | |
| 93 | |
| 94 main(); | |
| 95 </script> | |
| 96 </head> | |
| 97 <body> | |
| 98 <canvas id="c" width="200" height="200" class="nomargin"></canvas> | |
| 99 <div id="console"></div> | |
| 100 </body> | |
| OLD | NEW |
