NEW22916
Fix O(n^2) clip rects computation when painting deep reflection content 
https://bugs.webkit.org/show_bug.cgi?id=22916
Summary Fix O(n^2) clip rects computation when painting deep reflection content
Simon Fraser (smfr)
Reported 2008-12-18 09:39:34 PST
Bug 22570 fixed issues with cached clip rects and reflection painting by computing the clip rects on the fly when painting reflections (which has to be done because there's a temporary shift in the rootLayer). However, while painting that reflected content, each layer is going to recompute its clip rects all the way from the root, which is O(n^2).
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