[Webkit-unassigned] [Bug 258346] New: Using keyframe animation with box-shadow causes slowdown due to constant layout calls.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=258346

            Bug ID: 258346
           Summary: Using keyframe animation with box-shadow causes
                    slowdown due to constant layout calls.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: paulconnolly at gmail.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 466774

  --> https://bugs.webkit.org/attachment.cgi?id=466774&action=review

Test Case showing the animation issue with box-shadow

When using an animation that animates the box-shadow CSS property, performance on Webkit 265348 at main, Safari on macOS, iOS etc. is affected due to constant "Styles Invalidated" calls, and Layout / Paint calls.
Test case attached.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20230621/994f2b35/attachment.htm>