https://bugs.kde.org/show_bug.cgi?id=454466
Bug ID: 454466
Summary: Window flickering when cross-fading between maximized
and normal states
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 149246
--> https://bugs.kde.org/attachment.cgi?id=149246&action=edit
KWin - Maximize window cross-fade flickering
SUMMARY
Texture of a panel is getting drawn as a part of a window when it transitions
from normal to maximized state. Animation speed is reduced (== longer duration)
to see the effect better. With fast animations the perception is just a
noticable flickering.
STEPS TO REPRODUCE
1. Set panel to auto-hide
2. Move cursor over it to make it visible
3. Maximize a window (Meta+PageUp) — NOT fullscreen it.
OBSERVED RESULT
As on a video.
EXPECTED RESULT
Cross-fade without panel texture being drawn at full opacity during first
frames of an animation.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.25.80
KDE Frameworks Version: 5.95.0
Qt Version: 5.15.4
Kernel Version: 5.17.9-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-6700HQ CPU @ 2.60GHz
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 970M/PCIe/SSE2
ADDITIONAL INFORMATION
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