[Webkit-unassigned] [Bug 49659] New: UpdateChunk-s needs too many memory allocation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=49659

           Summary: UpdateChunk-s needs too many memory allocation
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kbalazs at webkit.org


Currently we are allocating shared memory in ChunkedUpdateDrawingArea and ~Proxy for every drawing operation.
I would reduce the cost of this by using a permanently existing shared memory backed backing store. This would only created once
for a given viewport size.

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