[Webkit-unassigned] [Bug 65491] New: Implement a faster path for painting tables with overflowing cells

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=65491

           Summary: Implement a faster path for painting tables with
                    overflowing cells
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jchaffraix at webkit.org


Painting may be taking 15% of the time when dealing with big tables with some overflowing cell (even if those are not visible).

The reason being that the code default to repainting all the cells if there is an overflowing cell.

Patch forthcoming to try to balance the 2 behaviors by repainting smartly if the overflowing cells are sparse.

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