https://bugs.kde.org/show_bug.cgi?id=510892
Bug ID: 510892
Summary: Compositing is still active even when the window is
fullscreen
Classification: Plasma
Product: kwin
Version First 6.4.91
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Whenever I try to play a game in fullscreen, there's a slight delay, even
though, there's a rule for my game's window to allow tearing. I accessed the
"Show Compositing" effect in KWin's debug console, activated it, and it showed
me... "Compositing". Even in fullscreen mode without a mouse.
And no, picture-in-picture is not active.
**STEPS TO REPRODUCE**
1. Enable tearing in fullscreen windows in Display Settings
2. Allow tearing for application window using Window Rules
3. Open KWin Debug console, activate `showcompositing` effect
4. Play any fullscreen game with or without cursor visible, doesn't matter
**OBSERVED RESULT**
"Compositing" label is still present
**EXPECTED RESULT**
No "Compositing" label on the screen
**SOFTWARE/OS VERSIONS**
Operating System: Arch Linux
KDE Plasma Version: 6.4.91
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
Kernel Version: 6.17.4-4-cachyos (64-bit) (they fixed the async flip issue
before mainline)
Graphics Platform: Wayland
Processors: 6 × Intel® Core™ i5-8400 CPU @ 2.80GHz
Memory: 16 GiB of RAM (15.5 GiB usable)
Graphics Processor: NVIDIA GeForce GTX 1660 Ti (nvidia-open drivers)
**ADDITIONAL INFORMATION**
P.S. I also discovered some strange cursor behaviour when recording with GPU
Screen Recorder (not using portal)
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