[Webkit-unassigned] [Bug 67404] [cairo] GraphicsContextCairo::FillRect with a solid colour does not respect operator

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=67404





--- Comment #4 from Rob Bradford <rob at robster.org.uk>  2011-09-01 10:40:57 PST ---
(In reply to comment #3)
> Do you have a test case where this fails? In what cases would this lead to degraded performance?

I observed this bug by observation of the code. I will try and figure out a test case that triggers a visual issue because of this bug.

In terms of performance painting with OVER is more costly than SOURCE since SOURCE can be optimised to a blit by Cairo in many situations (since it doesn't depend on the value that is currently in the destination.)

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