This bug is for changes in existing code in RenderLayer and elsewhere in WebCore/rendering to enable acccelerated compositing.
Created attachment 27267 [details]
Comment on attachment 27267 [details]
I don't think you need to null check viww() in compositor().
Remove the font smoothing stuff from RenderLayer. That needs more discussion.
Since you complicated the syncing because of lists being dirty, maybe you could pull that into a new function.. updateLayerListsIfNeeded or something.
Don't just comment out result.move(m_x, m_y). Take it out in both places.
You should use an OwnPtr for m_backing.
Remove the CSSPropertyNames.h include from RenderLayer.h
The implementation of transparentAncestor is broken. You want to walk until you hit a layer with isComposited set, and if you encounter a transparent layer before then, return it. Otherwise return 0. It should also probably be renamed to something like transparentPaintingAncestor.
r=me making all these changes.
Committing to http://svn.webkit.org/repository/webkit/trunk ...