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Issue 183103007:
Implement will-change-based GPU rasterization hint (Closed)
Base URL: svn://svn.chromium.org/blink/trunk| OLD | NEW |
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| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <style> | |
| 5 .shouldCompositeAndHaveGpuHint { | |
| 6 position: absolute; | |
| 7 width: 50px; | |
| 8 height: 50px; | |
| 9 background-color: green; | |
| 10 } | |
| 11 | |
| 12 .shouldCompositeButNotHaveGpuHint { | |
| 13 position: absolute; | |
| 14 width: 50px; | |
| 15 height: 50px; | |
| 16 background-color: blue; | |
| 17 } | |
| 18 | |
| 19 .shouldNotComposite { | |
| 20 position: absolute; | |
| 21 width: 50px; | |
| 22 height: 50px; | |
| 23 background-color: red; | |
| 24 } | |
| 25 | |
| 26 #willChangeAuto { | |
| 27 will-change: auto; | |
| 28 top: 0px; | |
| 29 left: 0px; | |
| 30 } | |
| 31 | |
| 32 #willChangeZIndex { | |
| 33 will-change: z-index; | |
| 34 top: 0px; | |
| 35 left: 60px; | |
| 36 } | |
| 37 | |
| 38 #willChangeOpacity { | |
| 39 will-change: opacity; | |
| 40 top: 0px; | |
| 41 left: 120px; | |
| 42 } | |
| 43 | |
| 44 #willChangeContents { | |
| 45 will-change: contents; | |
| 46 top: 60px; | |
| 47 left: 0px; | |
| 48 } | |
| 49 | |
| 50 #willChangeWidth { | |
| 51 will-change: width; | |
| 52 top: 60px; | |
| 53 left: 60px; | |
| 54 } | |
| 55 | |
| 56 #willChangeHeight { | |
| 57 will-change: height; | |
| 58 top: 60px; | |
| 59 left: 120px; | |
| 60 } | |
| 61 | |
| 62 #willChangeCombination { | |
| 63 will-change: z-index, width, position; | |
| 64 top: 120px; | |
| 65 left: 0px; | |
| 66 } | |
| 67 </style> | |
| 68 | |
| 69 <script> | |
| 70 if (window.internals) | |
| 71 window.internals.settings.setAcceleratedCompositingForGpuRasterizationHint Enabled(true); | |
| 72 | |
| 73 if (window.testRunner) { | |
| 74 testRunner.dumpAsText(); | |
| 75 testRunner.waitUntilDone(); | |
| 76 } | |
| 77 | |
| 78 window.addEventListener('load', function() { | |
| 79 if (window.testRunner) { | |
| 80 document.getElementById("layertree").innerText = window.internals.layerT reeAsText(document); | |
|
Ian Vollick
2014/03/07 15:33:52
Nit: it would be nice to have a flag to optionally
ajuma
2014/03/07 17:03:41
This would be of limited value right now, since on
| |
| 81 testRunner.notifyDone(); | |
| 82 } | |
| 83 }, false); | |
| 84 </script> | |
| 85 </head> | |
| 86 <body> | |
| 87 <div id="willChangeAuto" class="shouldNotComposite"></div> | |
| 88 <div id="willChangeZIndex" class="shouldNotComposite"></div> | |
| 89 <div id="willChangeOpacity" class="shouldCompositeButNotHaveGpuHint"></div> | |
| 90 <div id="willChangeContents" class="shouldCompositeAndHaveGpuHint"></div> | |
| 91 <div id="willChangeWidth" class="shouldCompositeAndHaveGpuHint"></div> | |
| 92 <div id="willChangeHeight" class="shouldCompositeAndHaveGpuHint"></div> | |
| 93 <div id="willChangeCombination" class="shouldCompositeAndHaveGpuHint"></div> | |
| 94 | |
| 95 <pre id="layertree"></pre> | |
| 96 </body> | |
| 97 </html> | |
| OLD | NEW |
