[Webkit-unassigned] [Bug 185720] New: Repaint bounds too small on SVG element with blur filter applied

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185720

            Bug ID: 185720
           Summary: Repaint bounds too small on SVG element with blur
                    filter applied
           Product: WebKit
           Version: Safari 11
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jan.boesenberg at incors.com
                CC: zimmermann at kde.org

Created attachment 340568

  --> https://bugs.webkit.org/attachment.cgi?id=340568&action=review

Simple testcase to reproduce the issue

If you open the attached test case and move the mouse over the blurred red square, the color changes to blue. But since the repainting bounds do not take into account the blur, the outer part of the blurred area stays red.

After switching between windows (enforcing a full repaint), the blurred square is displayed correctly.

This may be related to (or a duplicate of) https://bugs.webkit.org/show_bug.cgi?id=166739

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