| OLD | NEW |
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 | 2 |
| 3 <html> | 3 <html> |
| 4 <head> | 4 <head> |
| 5 <style> | 5 <style> |
| 6 .fixed { | 6 .fixed { |
| 7 position: fixed; | 7 position: fixed; |
| 8 width: 50px; | 8 width: 50px; |
| 9 height: 50px; | 9 height: 50px; |
| 10 background-color: silver; | 10 background-color: silver; |
| 11 } | 11 } |
| 12 | 12 |
| 13 .positionedAndTransformed { | 13 .positionedAndTransformed { |
| 14 left: 20px; | 14 left: 20px; |
| 15 top: -80px; | 15 top: -80px; |
| 16 -webkit-transform: translateY(100px); | 16 -webkit-transform: translateY(100px); |
| 17 } | 17 } |
| 18 </style> | 18 </style> |
| 19 | 19 |
| 20 <script type="text/javascript"> | 20 <script type="text/javascript"> |
| 21 function doTest() { | 21 function doTest() { |
| 22 if (!window.testRunner) | 22 if (!window.testRunner) |
| 23 return; | 23 return; |
| 24 |
| 24 testRunner.dumpAsText(); | 25 testRunner.dumpAsText(); |
| 26 |
| 25 document.getElementById("layertree1").innerText = window.internals.layerTr
eeAsText(document); | 27 document.getElementById("layertree1").innerText = window.internals.layerTr
eeAsText(document); |
| 26 window.scrollTo(0, 10); | 28 window.scrollTo(0, 10); |
| 27 testRunner.display(); | 29 |
| 28 document.getElementById("layertree2").innerText = window.internals.layerTr
eeAsText(document); | 30 document.getElementById("layertree2").innerText = window.internals.layerTr
eeAsText(document); |
| 29 } | 31 } |
| 30 | 32 |
| 31 if (window.internals) | 33 if (window.internals) |
| 32 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled
(true); | 34 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled
(true); |
| 33 | 35 |
| 34 if (window.testRunner) | |
| 35 testRunner.dumpAsText(); | |
| 36 | |
| 37 window.onload = doTest; | 36 window.onload = doTest; |
| 38 </script> | 37 </script> |
| 39 </head> | 38 </head> |
| 40 | 39 |
| 41 <body> | 40 <body> |
| 42 <!-- | 41 <!-- |
| 43 https://code.google.com/p/chromium/issues/detail?id=293926 | 42 https://code.google.com/p/chromium/issues/detail?id=293926 |
| 44 | 43 |
| 45 This test reproduces a bug where fixed-position layers flickered. Fixed | 44 This test reproduces a bug where fixed-position layers flickered. Fixed |
| 46 position elements opt-out of compositing when they are out of view. | 45 position elements opt-out of compositing when they are out of view. |
| (...skipping 11 matching lines...) Expand all Loading... |
| 58 BEFORE: | 57 BEFORE: |
| 59 <pre id="layertree1"></pre> | 58 <pre id="layertree1"></pre> |
| 60 AFTER: | 59 AFTER: |
| 61 <pre id="layertree2"></pre> | 60 <pre id="layertree2"></pre> |
| 62 </div> | 61 </div> |
| 63 | 62 |
| 64 <div class="positionedAndTransformed fixed"></div> | 63 <div class="positionedAndTransformed fixed"></div> |
| 65 </body> | 64 </body> |
| 66 </html> | 65 </html> |
| 67 | 66 |
| OLD | NEW |