[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 #5 from Simon Fraser (smfr) <simon.fraser at apple.com>  2013-03-07 10:28:15 PST ---
(In reply to comment #4)
> (In reply to comment #3)
> > What about transforms?
> 
> Don't transforms always get a layer? RenderLayer::contentsOpaqueInRect returns false if there is a transform.

OK, but childBox->style()->position() != StaticPosition also means that the child will have a layer.

Also, bailing on childBox->layer()->contentsOpaqueInRect() is wrong if the child's layer is composited.

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