[Webkit-unassigned] [Bug 42390] Multi-layer backgrounds repaint (in low quality) every 0.5 seconds

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=42390





--- Comment #26 from Stephen White <senorblanco at chromium.org>  2010-11-12 12:49:36 PST ---
The problem seems to be that, since background-image allows more than one URL per element, neither the Image nor the RenderBoxModelObject (element) alone are enough to uniquely identify the object being drawn.

I've put together a patch that replaces the RenderBoxModelObject* key with an {Object, Image} pair, which seems to fix the problem.  Let me know what you guys think.

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