https://bugs.kde.org/show_bug.cgi?id=487960
Bug ID: 487960
Summary: Adaptive Sync set to "Always" causes choppiness on
some apps' and dialogs animations
Classification: Plasma
Product: kwin
Version: 6.0.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: albertobonalum...@gmail.com
Target Milestone: ---
Created attachment 170090
--> https://bugs.kde.org/attachment.cgi?id=170090&action=edit
Video showing the stutter
SUMMARY
Setting Adaptive Sync to "Always" creates choppiness and perceived lag during
opening/closing animations on some apps. I can reproduce it 100% of the time
with Konsole and the settings menu of Cantata, when opening them, but for some
reason Dolphin is unaffected by it. For some reason, the stutter looks more
pronounced when Konsole is opened over a clean desktop.
Moreover, with Adaptive Sync set to "Always" Firefox scrolling is smooth and
responsive, but when set to "Automatic", the scroll stutters and feels
sub-60hz.
STEPS TO REPRODUCE
1. Set Adaptive Sync to "Always"
2. Open Konsole
3. Konsole stutters during the opening animation
4. Set Adaptive Sync to "Automatic"
5. Konsole opens smoothly
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 6.0.5
KDE Plasma Version: 6.0.5
KDE Frameworks Version: 6.2.0
Qt Version: 6.6.2
ADDITIONAL INFORMATION
Monitor: LG UltraGear, 165hz GSync compatible
GPU: NVIDIA 3070Ti
Graphics Platform: Wayland
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