https://bugs.kde.org/show_bug.cgi?id=511170
Bug ID: 511170
Summary: Blur effect when using software brightness is
incorrect
Classification: Plasma
Product: kwin
Version First 6.5.0
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-various
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
Blur effect when software brightness is used is incorrect.
STEPS TO REPRODUCE
1. Turn on Blur effect.
2. Disable DDC/CI brightness.
3. Set brightness to very low.
OBSERVED RESULT
Plasma tooltips are brighter or white.
EXPECTED RESULT
Plasma tooltips looks as in 100% brightness, but dimmer.
SOFTWARE/OS VERSIONS
KDE Plasma Version: 6.5.0
KDE Frameworks Version: 6.19
Qt Version: 6.10.0
ADDITIONAL INFORMATION
It's a regressions, on 6.4.5 it looks correctly. In HDR and 0% brightness
tooltips are white and text is also white. On screenshots it looks correctly.
If the blur is enabled and plasma is using basic renderloop, resizing plasma
windows flickers to white with full brightness for a short time.
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