https://bugs.kde.org/show_bug.cgi?id=432286
Bug ID: 432286
Summary: transparency+blur glitching with obscured animated
windows underneath
Product: kwin
Version: 5.20.90
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-various
Assignee: kwin-bugs-n...@kde.org
Reporter: pmarget...@gmail.com
Target Milestone: ---
Created attachment 135290
--> https://bugs.kde.org/attachment.cgi?id=135290&action=edit
showcase
SUMMARY
There are visual glitches when using konsole with transparency and blur enabled
when there is a window updating it's contents constantly and there's at least
one window between konsole and the updating window.
STEPS TO REPRODUCE
1. open program that actively repaints it's screen (e.g. audacious while
playing, warframe launcher)
2. open some other program (e.g. dolphin, system settings) and position it over
the program as described in 1)
3. open konsole with enabled transparency and blur
OBSERVED RESULT
Konsole will display rectangles and glitch in the areas which are updated in
the program opened under 1)
EXPECTED RESULT
Konsole doesn't render updates happening in culled windows
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: archlinux
(available in About System)
KDE Plasma Version: 5.20.90
KDE Frameworks Version: 5.78
Qt Version: 5.15.2
ADDITIONAL INFORMATION
x11, didn't test in wayland
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