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| (Empty) |
| 1 <!DOCTYPE HTML> | |
| 2 | |
| 3 <!-- READ BEFORE UPDATING: | |
| 4 If this test is updated make sure to increment the "revision" value of the | |
| 5 associated test in content/test/gpu/page_sets/pixel_tests.py. This will ensure | |
| 6 that the baseline images are regenerated on the next run. | |
| 7 --> | |
| 8 | |
| 9 <html> | |
| 10 <head> | |
| 11 <title>OffscreenCanvas commit flow on worker thread: red square on white backgro
und.</title> | |
| 12 <style type="text/css"> | |
| 13 .nomargin { | |
| 14 margin: 0px auto; | |
| 15 } | |
| 16 </style> | |
| 17 <script id="myWorker" type="text/worker"> | |
| 18 self.onmessage = function(e) { | |
| 19 var transferredOffscreenCanvas = e.data; | |
| 20 var gl = transferredOffscreenCanvas.getContext("webgl"); | |
| 21 gl.clearColor(1.0, 0.0, 0.0, 1.0); | |
| 22 gl.clear(gl.COLOR_BUFFER_BIT); | |
| 23 gl.commit(); | |
| 24 }; | |
| 25 </script> | |
| 26 <script> | |
| 27 var g_swapsBeforeAck = 15; | |
| 28 | |
| 29 function makeWorker(script) { | |
| 30 var blob = new Blob([script]); | |
| 31 return new Worker(URL.createObjectURL(blob)); | |
| 32 } | |
| 33 | |
| 34 function main() | |
| 35 { | |
| 36 draw(); | |
| 37 waitForFinish(); | |
| 38 } | |
| 39 | |
| 40 function draw() | |
| 41 { | |
| 42 var canvas = document.getElementById("c"); | |
| 43 var offscreenCanvas = canvas.transferControlToOffscreen(); | |
| 44 var worker = makeWorker(document.getElementById("myWorker").textContent); | |
| 45 worker.postMessage(offscreenCanvas, [offscreenCanvas]); | |
| 46 } | |
| 47 | |
| 48 function waitForFinish() | |
| 49 { | |
| 50 if (g_swapsBeforeAck == 0) { | |
| 51 domAutomationController.setAutomationId(1); | |
| 52 domAutomationController.send("SUCCESS"); | |
| 53 } else { | |
| 54 g_swapsBeforeAck--; | |
| 55 document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1; | |
| 56 window.webkitRequestAnimationFrame(waitForFinish); | |
| 57 } | |
| 58 } | |
| 59 </script> | |
| 60 </head> | |
| 61 <body onload="main()"> | |
| 62 <div style="position:relative; width:200px; height:200px; background-color:white
"> | |
| 63 </div> | |
| 64 <div id="container" style="position:absolute; top:0px; left:0px"> | |
| 65 <canvas id="c" width="200" height="200" class="nomargin"></canvas> | |
| 66 </div> | |
| 67 </body> | |
| 68 </html> | |
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Chromium Code Reviews
Issue 2359123002:
Revert of Update pixel test expectation and add new worker tests (Closed)
