[Webkit-unassigned] [Bug 266383] New: [Filters] GraphicsContext filters have to apply clipping to the target context before drawing

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Dec 13 17:48:52 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=266383

            Bug ID: 266383
           Summary: [Filters] GraphicsContext filters have to apply
                    clipping to the target context before drawing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 469030

  --> https://bugs.webkit.org/attachment.cgi?id=469030&action=review

test case

Open the attached test case.

Result: The green rectangle with the drop shadow filter is not clipped to its parent bounding box.
Note: The green rectangle has to be clipped to its parent bounding box since the parent has overflxow: hidden in its style.

The bug is not reproduced if "GraphicContext Filter Rendering" is disabled.

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