[Webkit-unassigned] [Bug 227061] Negative CSS outline-offset appears beneath scroll controls when async overflow scrolling is enabled

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=227061

--- Comment #2 from Chris Lord <clord at igalia.com> ---
(In reply to Simon Fraser (smfr) from comment #1)
> Ugh, this is going to require yet another GraphicsLayer above the scrollers.
> I'm not sure it's worth paying the memory cost.

So I was thinking that in the case of a negative outline offset, in only that case we can require a foreground layer and draw it there?

If we wanted to get smart, I suppose we could check if the outline is opaque and use a clipping rect, but I think that's getting too smart...

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