[Webkit-unassigned] [Bug 88908] [chromium] webkit-backface-visibility doesn't work with <video>

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=88908





--- Comment #10 from Shawn Singh <shawnsingh at chromium.org>  2012-06-13 12:44:20 PST ---
(In reply to comment #9)
> (In reply to comment #8)
> > Feel free to grab me and try to brainstorm an improvement.
> 
> Thanks!
> 
> Fyi, it looks like canvas 2d isn't impacted by this bug.  WebGL is impacted by the bug, and the patch I attached doesn't fix the issue for WebGL.  Also, the patch doesn't seem to work on video unless preserve-3d is set for the element as well.
> 
> I'll sort out these issues and then interrogate you about mechanisms for reorganizing the fix.

Some possibilities:
  - canvas 2d might not actually use a separate m_layer and m_contentsLayer ?
  - by fluke, maybe the test cases you set up are not triggering accelerated compositing?  (I think its forced on these days, though, so probably this isn't it) you can double check by using --show-fps-counter or setting that option in about:flags.   the fps counter only shows up when chromium triggers accelerated compositing mode

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