[Webkit-unassigned] [Bug 33520] Mapping from local to container coord space is O(N^2)
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Mar 11 12:47:56 PST 2010
https://bugs.webkit.org/show_bug.cgi?id=33520
Dave Hyatt <hyatt at apple.com> changed:
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Attachment #50531|review? |review-
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--- Comment #36 from Dave Hyatt <hyatt at apple.com> 2010-03-11 12:47:55 PST ---
(From update of attachment 50531)
The logic for disabling the cache is wrong...
<div style="position:absolute;"> .... <div style="overflow:auto">.... <div
style="position:absolute;left:100;top:100">
You'd have the cache enabled and add in the intermediate x/y of the overflow
section, but that isn't relevant.
I think a simple cache will have to check containingBlock of the child layer's
renderer to make sure it matches the parent layer's renderer in order to do a
cache like this.
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