[Webkit-unassigned] [Bug 53704] New: Reduce the the frequency of rebuilding the USE element shadow tree

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53704

           Summary: Reduce the the frequency of rebuilding the USE element
                    shadow tree
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jschuh at chromium.org
                CC: zimmermann at kde.org, krit at webkit.org


We rebuild the USE element shadow tree on any modification to the target. In the cases like animation we end up constantly destroying and rebuilding the shadow tree. We should look at either more selectively updating the tree or--if possible--not cloning the elements and instead making it an actual shadow with an extra layer to route events.

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