RESOLVED FIXED133704
[Win] Port Mac Tiled Drawing Logic to Windows 
https://bugs.webkit.org/show_bug.cgi?id=133704
Summary [Win] Port Mac Tiled Drawing Logic to Windows
Brent Fulgham
Reported 2014-06-10 15:47:29 PDT
Certain markup can cause the Windows tiled drawing logic to waste resources laying out and rendering off-screen rectangle. This can be triggered if a DOM element has a style with a very large negative (e.g., -100,000) 'left' property. Our Mac code is much smarter about this kind of thing, and excludes rects that are not visible. We should do the same on Windows.
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Brent Fulgham
Comment 1 2016-03-22 13:34:27 PDT
This has been complete for some time.
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