[Webkit-unassigned] [Bug 76877] New: [Qt][WK2] Qt's cross-process AC copies images excessively when updating tiles.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=76877

           Summary: [Qt][WK2] Qt's cross-process AC copies images
                    excessively when updating tiles.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: Performance, Qt
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: noam.rosenthal at nokia.com


Apart from double buffering, update buffers go through several message queues, and get copied in between. This is unnecessary.

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