https://bugs.kde.org/show_bug.cgi?id=410082
Bug ID: 410082
Summary: Artifacts when settings scale effect on closing
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-window-management
Assignee: kwin-bugs-n...@kde.org
Reporter: bio...@gmail.com
Target Milestone: ---
Created attachment 121666
--> https://bugs.kde.org/attachment.cgi?id=121666&action=edit
Scale settings
SUMMARY
When settings scale effects on closing windows, it generates visual artifacts
on the area that is not being actively refreshed, until those areas gets the
focus.
STEPS TO REPRODUCE
1. Open system settings
2. Go to Desktop Behavior
3. Select Desktop Effects
4. Activate Scale animation setting the close scale more than 1x
5. Open multiple windows (not fullscreen) so that once you close one, there is
at least one inactive window in background.
OBSERVED RESULT
A flickering visual artifact appears (It may last for long time)
EXPECTED RESULT
Clean closing animation
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 19.04
(available in About System)
KDE Plasma Version: 5.16.3
KDE Frameworks Version: 5.59.0
Qt Version: 5.12.2
ADDITIONAL INFORMATION
This bug is pretty easy to verify. It happens with both the desktop with an AMD
card and a notebook that uses Nvidia proprietary driver.
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