[Webkit-unassigned] [Bug 113752] New: [Texmap] Fix a loss of dirty Rect by intersecting keepRect.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113752

           Summary: [Texmap] Fix a loss of dirty Rect by intersecting
                    keepRect.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jungjik.lee at samsung.com


There is a dirty between out of keepRect and inside the tile rect. In this case, we can have a dirty loss by intersecting keepRect. And the dirty would not be drawn until the tile updates forcibly. So it is better to remove the intersect. because if the setKeepRect works, there will be no tiles out  of keepRect and we already check the invalidate rect inside tile.
I will file a new patch for this.

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