[Webkit-unassigned] [Bug 103237] Performance gain for Animations using CSS 2D transforms while leveraging GPU accelerated compositing

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https://bugs.webkit.org/show_bug.cgi?id=103237





--- Comment #2 from cyang.tech at gmail.com  2012-11-26 17:55:08 PST ---
Created an attachment (id=176131)
 --> (https://bugs.webkit.org/attachment.cgi?id=176131&action=review)
The PerfMarks benchmark for CSS transformation test

Here I attached the benchmark for this case and we got poor scores for CSS 2D Scale and Rotate categories under Chrome and the scores is far behind the scores under IE.
This benchmark simply calls CSS3 2D transform methods continually to make the animations and WebKit seems only use software rendering for all the CSS3 2D transforms. I found out the performance may gain much if we introduce new compositing layers and leverage GPU accelerated compositing for these typical cases. So is it available to introduce compositing layers for these cases?

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