https://bugs.kde.org/show_bug.cgi?id=462820
Bug ID: 462820
Summary: Desktop grid animation is slower and smoother after
restarting kwin_x11 process
Classification: Plasma
Product: kwin
Version: 5.26.4
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-desktop-grid
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
When I log in with my user, the desktop grid animation is very fast and not so
smooth. If I restart kwin with: $ kwin_x11 --replace ; the desktop grid
animation is then slower and much smoother.
STEPS TO REPRODUCE
Note that I tried with a new user and couldn't reproduce, the desktop grid
animation is identical even after restarting kwin_x11 process (too fast and not
smooth). It only occurs with my actual user for some reasons.
1. Log in
2. Trigger the desktop grid effect: the animation is very fast (too fast) and
not smooth
3. Open krunner and run `kwin_x11 --replace`
4. Trigger the desktop grid effect again: the animation is a bit slower and
smoother
OBSERVED RESULT
The desktop grid animation is slower and smoother after restarting kwin (feels
much better). The difference may not be obvious when watching the attached
video but in real life it's very noticeable.
EXPECTED RESULT
I wish the desktop grid animation were always rendered like in the second part
of the attached video (after restarting kwin_x11 process).
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux & Gentoo (identical behavior on both distros)
KDE Plasma Version: 5.26.4
KDE Frameworks Version: 5.100.0-1
Qt Version: 5.15.7 / 6.4.1-1
X11
High refresh rate monitor (165 Hz)
NVIDIA GTX 970 with proprietary NVIDIA drivers (525.60.11)
ADDITIONAL INFORMATION
It's occurring since recent Plasma versions, I cannot remember the exact
version but since last summer I'd say.
I'm not sure why restarting kwin_x11 process changes this, is this intended?
I know I can adjust the animation speed in System Settings but it doesn't fix
the smoothness difference.
Thanks.
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