[Webkit-unassigned] [Bug 101911] [Cairo] fillRectWithColor with Color::transparent doesn't perform anything

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=101911





--- Comment #3 from Hurnjoo Lee <hurnjoo.lee at samsung.com>  2012-11-12 23:40:26 PST ---
(In reply to comment #2)
> (From update of attachment 173591 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=173591&action=review
> 
> > Source/WebCore/ChangeLog:13
> > +        Covered by existing tests.
> 
> Do you have an example? Which test is passing with this change, or in other words: What was broken before?

I wrote it in meaning that do not affect to existing test. If there is any problem in this expression, I will revise it.
Actually, the problem is occurred in case using TextureMapper on WebKit2 EFL port.
In UpdateAtlas::beginPaintingOnAvailableBuffer, in case of using GraphicsContextCairo (EFL or GTK), doesn't fill the reused area with transparent color.

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