[Webkit-unassigned] [Bug 73077] New: [CSS Filters] Filters do not render correctly when the layer has a transform

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=73077

           Summary: [CSS Filters] Filters do not render correctly when the
                    layer has a transform
           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


Filters are not applied correctly when the layer has a transform. The current behavior is that it applies the transform inside the "filter area" resulting in clipped graphics. Moreover, the rootLayer is always passed as being the filtered layer, which is wrong. When there's no transform applied, the rootLayer should be just propagated. Otherwise the clipped rects are calculated incorrectly and an assert fires.

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