[Webkit-unassigned] [Bug 100814] Region::union on a list of does N^2 copies of Shape vectors

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100814





--- Comment #1 from Eric Seidel <eric at webkit.org>  2012-10-31 01:23:02 PST ---
(In reply to comment #0)
> Prior to my mitigation in bug 98800, we performed this O(N^2) algorithm every time we did RenderLayerCompositor::computeCompositingRequirements (which is currently on every style recalc!)

This every-style-recalc behavior is tracked by bug 84393.

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