| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <style> |
| 3 .shouldNotComposite { |
| 4 width: 30px; |
| 5 height: 30px; |
| 6 margin: 4px; |
| 7 background-color: blue; |
| 8 } |
| 9 |
| 10 .positioned { |
| 11 position: relative; |
| 12 left: 40px; |
| 13 } |
| 14 |
| 15 #willChangeContents { |
| 16 will-change: contents; |
| 17 } |
| 18 |
| 19 #willChangeOpacity { |
| 20 will-change: opacity; |
| 21 } |
| 22 |
| 23 #willChangeTransform { |
| 24 will-change: -webkit-transform; |
| 25 } |
| 26 |
| 27 #willChangeTop { |
| 28 will-change: top; |
| 29 } |
| 30 |
| 31 #willChangeLeft { |
| 32 will-change: left; |
| 33 } |
| 34 |
| 35 #animateOpacity { |
| 36 -webkit-animation: fade-in-out 0.1s linear infinite alternate; |
| 37 } |
| 38 |
| 39 @-webkit-keyframes fade-in-out { from { opacity: 0.3; } to { opacity: 0.9; } } |
| 40 </style> |
| 41 |
| 42 <script> |
| 43 if (window.testRunner) { |
| 44 testRunner.dumpAsText(); |
| 45 testRunner.waitUntilDone(); |
| 46 } |
| 47 |
| 48 function animationEventListener() { |
| 49 if (window.testRunner) { |
| 50 document.getElementById('layertree').innerText = window.internals.layerTre
eAsText(document); |
| 51 testRunner.notifyDone(); |
| 52 } |
| 53 } |
| 54 |
| 55 onload = function() { |
| 56 document.getElementById('animateOpacity').addEventListener('webkitAnimationI
teration', animationEventListener); |
| 57 }; |
| 58 </script> |
| 59 <div id="willChangeContents"> |
| 60 <div id="willChangeOpacity" class="shouldNotComposite"></div> |
| 61 <div> |
| 62 <div id="willChangeLeft" class="positioned shouldNotComposite"></div> |
| 63 </div> |
| 64 <div> |
| 65 <div> |
| 66 <div id="willChangeTransform" class="shouldNotComposite"> |
| 67 <div id="willChangeTop" class="positioned shouldNotComposite"></div> |
| 68 </div> |
| 69 </div> |
| 70 </div> |
| 71 <div id="animateOpacity" class="shouldNotComposite"></div> |
| 72 </div> |
| 73 |
| 74 <pre id="layertree"></pre> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 298723011:
Make 'will-change: contents' suppress compositing in subtree (Closed)
Base URL: svn://svn.chromium.org/blink/trunk