Bug 491614 - Low framerate on fullscreen stellarium [WAYLAND]
Summary: Low framerate on fullscreen stellarium [WAYLAND]
Status: RESOLVED NOT A BUG
Alias: None
Product: kwin
Classification: Plasma
Component: performance (show other bugs)
Version: 6.1.4
Platform: Manjaro Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2024-08-12 11:21 UTC by German P
Modified: 2024-08-23 21:59 UTC (History)
1 user (show)

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Description German P 2024-08-12 11:21:29 UTC 
When running stellarium (flatpak) in fullscreen framerate remains at 30 (monitor is 60fps), switching to window mode it runs at 60 as expected. Running in xwayland fixes the issue.
This only happens in plasma, It works as expected in gnome and wlroots based compositors


STEPS TO REPRODUCE
1. Run stellarium flatpak
2. drag the mouse (stellarium reduces framerate when idle)
3. see framerate at the bottom of the screen
4. switch to window mode (F11)
5. framerate is correct

SOFTWARE/OS VERSIONS
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: Manjaro
KDE Plasma Version: 6.1.4
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
Comment 1 German P 2024-08-12 11:34:05 UTC 
I forgot to say I am on nvidia GTX960 drivers 555.58.02 and the intel IGPU is disabled in bios
Comment 2 Zamundaaa 2024-08-12 13:54:13 UTC 
This is a known NVidia driver bug, fixed in driver 560 IIRC
Comment 3 German P 2024-08-23 21:59:06 UTC 
I updated to 560 driver and framerate is back to normal. Thanks for the info.