[Webkit-unassigned] [Bug 82524] New: [CSS Filters] Avoid rebuilding FEFilters when RenderLayer is destroyed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82524

           Summary: [CSS Filters] Avoid rebuilding FEFilters when
                    RenderLayer is destroyed
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: achicu at adobe.com
                CC: dino at apple.com


RenderLayer::updateOrRemoveFilterEffect is called in clearBacking(), which is called from RenderLayer::~RenderLayer, meaning that the filters are rebuild when deleting a layer, but they are not going to be used anyway.

Avoid creating new filters when the RenderLayer is going out of scope.

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