Bug 212066

Summary: Screen corruption outside of webkit window when using backdrop filters on Catalina
Product: WebKit Reporter: Duncan Wilcox <duncan>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: RESOLVED MOVED    
Severity: Major CC: bfulgham, dino, sabouhallawa, simon.fraser, thorton, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Mac   
OS: macOS 10.15   
Attachments:
Description Flags
Test case
none
Video showing the issue
none
Screenshot none

Duncan Wilcox
Reported 2020-05-19 00:56:59 PDT
Created attachment 399719 [details] Test case Using backdrop filters causes screen corruption, outside of the safari window frame. This issue only happens on Catalina.
Attachments
Test case (34.69 KB, application/zip)
2020-05-19 00:56 PDT, Duncan Wilcox 		no flags
Details
Video showing the issue (468.93 KB, video/mp4)
2020-05-19 00:57 PDT, Duncan Wilcox 		no flags
Details
Screenshot (1.44 MB, image/png)
2020-05-19 00:59 PDT, Duncan Wilcox 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Duncan Wilcox
Comment 1 2020-05-19 00:57:36 PDT
Created attachment 399720 [details] Video showing the issue
Duncan Wilcox
Comment 2 2020-05-19 00:59:33 PDT
Created attachment 399721 [details] Screenshot
Radar WebKit Bug Importer
Comment 3 2020-05-19 16:49:45 PDT
<rdar://problem/63421502>
Simon Fraser (smfr)
Comment 4 2020-05-19 19:07:03 PDT
What hardware is this on?
Duncan Wilcox
Comment 5 2020-05-19 22:50:35 PDT
It was reproduced on a 14 core iMac Pro and on a 2016 MacBookPro 13", both running 10.15.4
Duncan Wilcox
Comment 6 2020-12-18 01:13:46 PST
This is another site using backdrop-filter, causing screen corruption in Catalina and Big Sur: https://knot-therapy.com
Duncan Wilcox
Comment 7 2021-02-06 03:01:32 PST
This is still happening on Big Sur 11.2.
Brent Fulgham
Comment 8 2022-02-10 14:25:57 PST
This is actually: <rdar://problem/51372157>
Brent Fulgham
Comment 9 2022-02-10 14:26:14 PST
The fix for this issue was needed outside the WebKit project, therefore this is being resolved as 'Moved'. This should now be fixed in shipping software.
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