https://bugs.kde.org/show_bug.cgi?id=485424
Bug ID: 485424
Summary: Fullscreen games have a choppy visual framerate ~ last
good commit a4be9859b72b9aaa8b6a9a9b4bdb413ea987ab2d
Classification: Plasma
Product: kwin
Version: git master
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: kyle.de...@mykolab.com
Target Milestone: ---
SUMMARY
Fullscreen games have a consistent choppy visual framerate, irrespective of the
actual framerate. Displayed framerate returns to what is expected when the game
is windowed instead. Fullscreen games run in Gamescope via virtual terminal
have an expected visual framerate.
That is, despite having tens of FPS, the game visually runs as if it has 5 FPS
per second.
The last time games ran fullscreen at the visually expected framerate was on my
Git build on the 30th of March.
Tested Dragon's Dogma: Dark Arisen and Monster Hunter World. Consistent
results.
STEPS TO REPRODUCE
1. Run any game at fullscreen ~ enabled Steam FPS counter.
2. Change the game to windowed mode.
3. Observe the differences in visual smoothness.
OBSERVED RESULT
Choppy visual framerate that doesn't match the framerate number.
EXPECTED RESULT
Smooth visuals as expected of the observed framerate.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.0.80
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
Kernel Version: 6.9.0-rc3-1-custom-bcachefs-git-g3b2de7f7d7ef (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600X 6-Core Processor
Memory: 15.5 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7B85
System Version: 1.0
ADDITIONAL INFORMATION
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