[Webkit-unassigned] [Bug 5547] resizing safari window on page with heavy opacity is very slow

[bugzilla-daemon at opendarwin.org]

http://bugzilla.opendarwin.org/show_bug.cgi?id=5547


macdome at opendarwin.org changed:

           What    |Removed                     |Added
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                 CC|                            |hyatt at apple.com




------- Comment #4 from macdome at opendarwin.org  2006-03-04 13:40 PDT -------
This looks like the same issue that we're now seeing in bugzilla.  Inline
blocks with css opacity, cause the entire page to scroll slower.  One example:

http://bugzilla.opendarwin.org/show_bug.cgi?id=5860

Hyatt says this comes from the fact that inline blocks don't bother to set up a
clipping region before calling beginTransparency layer, and draw even when
offscreen.  This is definitely a p2 as this is a serious performance issue on
pages w/ opacity.


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