[Webkit-unassigned] [Bug 45800] New: Coalesce canvas repaints

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=45800

           Summary: Coalesce canvas repaints
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: simon.fraser at apple.com
                CC: oliver at apple.com


We should avoid every draw operation in an canvas from propagating out into an invalidation. It would be better to batch them up and only do one invalidate per event loop.

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