[Webkit-unassigned] [Bug 72298] Use full opaque region to determine GraphicsLayer opaque flag

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=72298


Dana Jansens <danakj at chromium.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |backer at chromium.org,
                   |                            |piman at chromium.org,
                   |                            |simon.fraser at apple.com,
                   |                            |wjmaclean at chromium.org
         Depends on|                            |72294




--- Comment #1 from Dana Jansens <danakj at chromium.org>  2011-11-14 12:54:15 PST ---
Make use of the Region::occluded() test from bug #72294 to reach this intermediate step, where we consider all relevant RenderLayers for a backing together.

Next step: For each RenderLayer, we need to consider more than a single RenderObject and construct an opaque Region for the layer.

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