Bug 223249

Summary: Background video causes flicker in page content
Product: WebKit Reporter: mhenke64 <mhenke64>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: RESOLVED INVALID    
Severity: Normal CC: bfulgham, simon.fraser, zalan
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
URL: https://www.w3schools.com/howto/howto_css_fullscreen_video.asp
Attachments:
Description Flags
Video of the issue, notice how the shadow around the inspector also is affected none

mhenke64@gmail.com
Reported 2021-03-16 04:00:08 PDT
Background video causes flicker in page content. Even developer tools window gets a flickering shadow. Example: https://www.w3schools.com/howto/howto_css_fullscreen_video.asp
Attachments
Video of the issue, notice how the shadow around the inspector also is affected (1017.05 KB, video/mp4)
2021-03-16 11:55 PDT, mhenke64@gmail.com 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2021-03-16 10:16:34 PDT
I do not see any flicker with this example. Please provide more precise steps, including details of your OS version, hardware, and the Safari version you are seeing this with.
mhenke64@gmail.com
Comment 2 2021-03-16 11:55:28 PDT
Created attachment 423373 [details] Video of the issue, notice how the shadow around the inspector also is affected Video of the issue, notice how the shadow around the inspector also is affected
mhenke64@gmail.com
Comment 3 2021-03-16 11:56:08 PDT
Windows 10 Chrome Version 89.0.4389.90 (Official Build) (64-bit) Version 89.0.774.54 (Official build) (64-bit) Firefox no issue
Simon Fraser (smfr)
Comment 4 2021-03-16 12:43:46 PDT
Please file this in the blink bug tracker at https://bugs.chromium.org. This bug tracker is for WebKit (the engine behind Safari on iOS/macOS) and other ports.
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