[Webkit-unassigned] [Bug 83424] New: [WK2] Enable using a single ShareableBitmap for multiple updates

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83424

           Summary: [WK2] Enable using a single ShareableBitmap for
                    multiple updates
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: Qt
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: noam.rosenthal at nokia.com
                CC: mrobinson at webkit.org, igor.oliveira at webkit.org
            Blocks: 78675


Creating a ShareableBitmap for each content update could be inefficient, as it requires shm allocation/deallocation.
We should enable a configuration where very few larger ShareableBitmaps are created, and are used as atlases for small updates.

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