[Webkit-unassigned] [Bug 81263] New: [CSS Filters] Drop-shadow and blur can avoid using full source image

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=81263

           Summary: [CSS Filters] Drop-shadow and blur can avoid using
                    full source image
           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


Calculate the exact rectangle that's needed to paint the blur or the drop-shadow and use just that to compute the filters.

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