https://bugs.kde.org/show_bug.cgi?id=484501
Bug ID: 484501
Summary: X11 - Panel with adaptive transparency lags animations
when switching between transparent and opaque
Classification: Plasma
Product: kwin
Version: 6.0.2
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: platform-x11-standalone
Assignee: kwin-bugs-n...@kde.org
Reporter: gonzalofari...@gmail.com
Target Milestone: ---
Created attachment 167776
--> https://bugs.kde.org/attachment.cgi?id=167776&action=edit
Notice the difference between having a window already miximized and maximizing
a window when you can still see the wallpaper; also the difference after
switching from "adaptive" to "transparent"
SUMMARY
When a panel's transparency is set to adaptive and it switches between opaque
and transparent (by maximizing a window, for example), all effects and
animations become noticeably slower during the process.
This doesn't happen when the panel is set to opaque or transparent.
STEPS TO REPRODUCE
1. On X11, set a panel's transparency to "adaptive".
2. Enable window animations such as "lamp".
3. Maximize and restore a window.
OBSERVED RESULT
Animations become noticeably slower.
EXPECTED RESULT
Animations should be as fluid as always.
SOFTWARE/OS VERSIONS
Linux: 6.8.1-arch1-1 (64 bits)
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
X11
ADDITIONAL INFORMATION
Using an Nvidia graphics card with latest stable (550.67) proprietary driver.
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