[Webkit-unassigned] [Bug 96053] Don't copy canvas texture during composite if the canvas content didn't change

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=96053





--- Comment #8 from KangYuan <kangyuan.shu at intel.com>  2012-09-12 01:56:09 PST ---
I exercised the webkit fast layout tests. There is no regression.

For the layer violation, I am going to move class canvasobserver from HTMLCanvasElemnt.h to a new header file that placed in platform directory. Can I do this?

For the double buffer going to dead. After all, the patch still can help in some cases for a short coming time. And it doesn't have any negative impact. If there is no other technical concerns, I hope our optimization could be merged, as it still can benefit those who adopts WebKit in the time frame when that code path will be or was still used.

-Kang Yuan

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