[Webkit-unassigned] [Bug 66969] Chromium: Add a layer for rubber-band overhang painting to the hardware path.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=66969





--- Comment #4 from Adrienne Walker <enne at google.com>  2011-08-29 14:32:39 PST ---
(In reply to comment #3)
> (In reply to comment #2)
> > (From update of attachment 105229 [details] [details])
> > 
> > > Source/WebCore/rendering/RenderLayerCompositor.cpp:960
> > > +        m_layerForOverhangAreas->setSize(frameView->frameRect().size());
> > 
> > Maybe I misunderstand how these layers are supposed to work, but I would expect overhang layers to be related to the size and position of horizontalOverhangRect and verticalOverhangRect.
> 
> If I did it that way, then two layers would be required, which would be more boilerplate. Instead, I decided to go with one layer that covers the size of web content area.

So, that means that you have to invalidate and repaint the entire contents of the overhang area on every change in scroll position?

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