[Webkit-unassigned] [Bug 79659] Optimize Canvas fill and drawImage with SourceIn, DestinationIn, SourceOut, and DestinationAtop using transparencyLayer.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79659


Darin Adler <darin at apple.com> changed:

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--- Comment #25 from Darin Adler <darin at apple.com>  2014-04-14 08:31:51 PST ---
(From update of attachment 229271)
View in context: https://bugs.webkit.org/attachment.cgi?id=229271&action=review

> Source/WebCore/ChangeLog:18
> +        An inline function will create a transparency layer for CG. Cairo graphics
> +        does not composite correctly when a transparency layer gets created. 
> +        The inline function is just a NOOP for Cairo.

Why is this OK for Cairo? Does this behave correctly on Cairo?

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