https://bugs.kde.org/show_bug.cgi?id=499776
Bug ID: 499776
Summary: Screen sharing a fullscreen game window with chromium
or discord grinds the game to halt
Classification: Plasma
Product: kwin
Version: 6.2.5
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: xwayland
Assignee: kwin-bugs-n...@kde.org
Reporter: traceyd...@yandex.com
Target Milestone: ---
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SUMMARY
STEPS TO REPRODUCE
1. Start a game (so far tried various native and proton/wine titles on Steam)
in fullscreen
2. Go to meet.google.com on Chromium (or discord) and share the window of that
game
3. Go back to the game
OBSERVED RESULT
The game rendering essentially halts when using a single screen.
With dual screens, the game renders at a stuttering, very low FPS
EXPECTED RESULT
Game should run smoothly
SOFTWARE/OS VERSIONS
Windows:
macOS:
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: 6.12.12
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.2
ADDITIONAL INFORMATION
Using nvidia-open drivers.
Not a VRAM issue, nvtop reports only half of my VRAM being used.
Same configuration on X11 (with kwin_x11) works without any issues.
I don't see xwaylandvideobridge being used in the list of processes.
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