[Webkit-unassigned] [Bug 111701] Basic child obscuration test for backgrounds

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=111701





--- Comment #9 from Antti Koivisto <koivisto at iki.fi>  2013-03-08 11:28:14 PST ---
(In reply to comment #8)
> You should be able to change the background color of the obscured element and see that it doesn't cause a repaint. Some variations can test your new logic.

That will trigger a repaint anyway (this patch only affects paint time). Is there some way to test overpaint?

> Did we forget about opacity on the children?

Do those always get a layer? If they do then no. If they don't then yes.

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