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NEW
258346
Using keyframe animation with box-shadow causes slowdown due to constant layout calls.
https://bugs.webkit.org/show_bug.cgi?id=258346
Summary
Using keyframe animation with box-shadow causes slowdown due to constant layo...
Paul Connolly
Reported
2023-06-21 02:56:20 PDT
Created
attachment 466774
[details]
Test Case showing the animation issue with box-shadow When using an animation that animates the box-shadow CSS property, performance on Webkit
265348@main
, Safari on macOS, iOS etc. is affected due to constant "Styles Invalidated" calls, and Layout / Paint calls. Test case attached.
Attachments
Test Case showing the animation issue with box-shadow
(1.04 KB, text/html)
2023-06-21 02:56 PDT
,
Paul Connolly
no flags
Details
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proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1
2023-06-21 12:00:37 PDT
Box shadow affects visual overflow, so we have to do some kind of layout to recompute this.
Radar WebKit Bug Importer
Comment 2
2023-06-21 12:00:58 PDT
<
rdar://problem/111116324
>
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