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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 z-index: 1; | 8 z-index: 1; |
9 } | 9 } |
10 | 10 |
(...skipping 21 matching lines...) Expand all Loading... |
32 background-color: lime; | 32 background-color: lime; |
33 } | 33 } |
34 | 34 |
35 .composited { | 35 .composited { |
36 -webkit-transform: translatez(0); | 36 -webkit-transform: translatez(0); |
37 } | 37 } |
38 </style> | 38 </style> |
39 | 39 |
40 <script type="text/javascript"> | 40 <script type="text/javascript"> |
41 if (window.internals) | 41 if (window.internals) |
42 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled
(true); | 42 window.internals.settings.setPreferCompositingToLCDTextEnabled(true); |
43 | 43 |
44 if (window.testRunner) { | 44 if (window.testRunner) { |
45 testRunner.dumpAsText(); | 45 testRunner.dumpAsText(); |
46 | 46 |
47 window.addEventListener("load", function() { | 47 window.addEventListener("load", function() { |
48 document.getElementById("layertree").innerText = window.internals.layerT
reeAsText(document); | 48 document.getElementById("layertree").innerText = window.internals.layerT
reeAsText(document); |
49 }, false); | 49 }, false); |
50 } | 50 } |
51 </script> | 51 </script> |
52 </head> | 52 </head> |
53 | 53 |
54 <body class="unscrollable"> | 54 <body class="unscrollable"> |
55 <div style="height: 4000px"> | 55 <div style="height: 4000px"> |
56 <p>Even though we can opt-out of fixed-position compositing for | 56 <p>Even though we can opt-out of fixed-position compositing for |
57 unscrollable fixed-position containers, we still need to composite | 57 unscrollable fixed-position containers, we still need to composite |
58 fixed-position layers that need compositing for other reasons such as | 58 fixed-position layers that need compositing for other reasons such as |
59 overlap.</p> | 59 overlap.</p> |
60 <pre id="layertree"></pre> | 60 <pre id="layertree"></pre> |
61 </div> | 61 </div> |
62 | 62 |
63 <div class="absolute composited red box"></div> | 63 <div class="absolute composited red box"></div> |
64 | 64 |
65 <!-- This should be composited because it overlaps a composited layer. --> | 65 <!-- This should be composited because it overlaps a composited layer. --> |
66 <div class="fixed lime box"></div> | 66 <div class="fixed lime box"></div> |
67 </body> | 67 </body> |
68 </html> | 68 </html> |
69 | 69 |
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