https://bugs.kde.org/show_bug.cgi?id=510818
Bug ID: 510818
Summary: Blur effect appears brighter than usual
Classification: Plasma
Product: kwin
Version First 6.4.91
Reported In:
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-window-management
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 185917
--> https://bugs.kde.org/attachment.cgi?id=185917&action=edit
Blur disabled on the left, and enabled on the right.
SUMMARY
In Plasma 6.5 betas as well as Neon unstable (6.6), the blur effect is broken.
It appears to add brightness to the content behind it.
STEPS TO REPRODUCE
1. Enable Blur effect
2. Make menus transparent
3. View menus or shutdown/logoff background
OBSERVED RESULT
Blurred content appears way brighter than normal.
EXPECTED RESULT
No brightness should be added.
SOFTWARE/OS VERSIONS
KDE Plasma Version:
6.4.91+
KDE Frameworks Version:
6.18.0+
Qt Version:
6.9.0+
ADDITIONAL INFORMATION
Screenshots are from a fresh install of KDE Neon Unstable.
In Application Style->Breeze, I set Transparency to full.
In Desktop Effects->Blur, I set Blur and Noise strength to Light (though other
settings do not alleviate the issue).
I also tested Kubuntu Beta PPA as well as my own kde-builder Plasma install,
which both looked the same.
CPU is a Ryzen 5600x.
GPU is a Radeon 6700 XT.
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