[Webkit-unassigned] [Bug 113318] [GTK][AC] Support preserves3D css property for clutter ac backend.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113318





--- Comment #9 from ChangSeok Oh <kevin.cs.oh at gmail.com>  2013-04-01 22:34:45 PST ---
(In reply to comment #8)
> If we change the code to not check currentChild->preserves3D(), then the comment you propose makes more sense =). But that would make the code obvious enough that I think we should just remove the comment. Why we check currentChild->preserves3D() is one of the doubts I had, I don't know why. Does it work without that check?

No. it doesn't. I know a sample working wrong without it.
Please run http://www.webkit.org/blog-files/3d-transforms/poster-circle.html

If a layer has preserve-3d true, and it should not be flattened though its parent has preserve-3d false. In other words, if we check only current layer's preserve-3d(false), children layers might be flattened even though children layers have preserve-3d true.

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