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: 10px; | 8 width: 10px; |
9 height: 10px; | 9 height: 10px; |
10 z-index: -1; | 10 z-index: -1; |
| 11 background-color: silver; |
11 } | 12 } |
12 </style> | 13 </style> |
13 | 14 |
14 <script type="text/javascript"> | 15 <script type="text/javascript"> |
15 if (window.internals) | 16 if (window.internals) |
16 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(t
rue); | 17 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(t
rue); |
17 | 18 |
18 if (window.testRunner) { | 19 if (window.testRunner) { |
19 testRunner.dumpAsText(); | 20 testRunner.dumpAsText(); |
20 | 21 |
(...skipping 10 matching lines...) Expand all Loading... |
31 <pre id="mainThreadScrollingReasons"></pre> | 32 <pre id="mainThreadScrollingReasons"></pre> |
32 </div> | 33 </div> |
33 | 34 |
34 <!-- out of view fixed position elements should not trigger main thread scrollin
g. --> | 35 <!-- out of view fixed position elements should not trigger main thread scrollin
g. --> |
35 <div class="fixed"></div> | 36 <div class="fixed"></div> |
36 <div class="fixed" style="top: -100px"></div> | 37 <div class="fixed" style="top: -100px"></div> |
37 <div class="fixed" style="top: 0px; left: 1000px"></div> | 38 <div class="fixed" style="top: 0px; left: 1000px"></div> |
38 | 39 |
39 </body> | 40 </body> |
40 </html> | 41 </html> |
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