Open Bug 1950825 Opened 27 days ago Updated 7 days ago

With layer compositor enabled, the whole browser flashes on toggling the mica effect from about:preferences

Categories

(Core :: Graphics: WebRender, defect)

defect

Tracking

()

People

(Reporter: mayankleoboy1, Assigned: gw)

References

(Blocks 1 open bug, Regression)

Details

(Keywords: regression)

Attachments

(2 files)

Enable layer compositor and restart firefox
Go to about:preference
search for widget.windows.mica
Toggle this preference multiple times

AR: In many cases when you toggle the pref, the whole browser flashes black.
ER: Not so

Note that without the layer compositor, toggling the pref will make the tab-bar redraw a bit which may seem like a flash. This bug is NOT about that. I am specifically referring to full page flash of black.

Flags: needinfo?(gwatson)

This may repro only when you have this message in your gfx-log :
GP+[GFX1-]: Video swapchain present is slow

Profile with graphics preset logging: https://share.firefox.dev/41afQNa

Attached file about:support
Assignee: nobody → gwatson
Severity: -- → S3
Flags: needinfo?(gwatson)

(I think this is probably not a huge deal btw)

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