https://bugs.kde.org/show_bug.cgi?id=503366
Bug ID: 503366
Summary: Cursor outline is extremely dark with HDR enabled when
it should be white.
Classification: Plasma
Product: kwin
Version: 6.3.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: kwin-bugs-n...@kde.org
Reporter: ea.bo...@hotmail.com
Target Milestone: ---
Created attachment 180664
--> https://bugs.kde.org/attachment.cgi?id=180664&action=edit
The overly dark cursor when HDR is enabled.
SUMMARY
The cursor's white outline becomes a very dark grey with HDR enabled, which
makes it very hard to see on dark backgrounds (tested with Breeze & Breeze
Dark). The cursor outline brightness is effected by the Maximum SDR Brightness
slider, but even at the maximum 500 nits it isn't quite as bright as it is in
SDR, and at my usual 120nits setting it's nearly invisible on a black
background.
If I wiggle the mouse so the cursor becomes large I get the expected white
outline.
STEPS TO REPRODUCE
1. Enable HDR on an HDR capable display
2. Lower the Maximum SDR Brightness value in Display Configuration to a lower
value than the display's maximum HDR brightness.
3. Look at the cursor.
OBSERVED RESULT
Cursor's outline is too dark, making it difficult to see on dark backgrounds.
EXPECTED RESULT
Cursor has a white outline.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kernel 6.14.3-2-cachyos (64-bit)
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.13.0
Qt Version: 6.9.0
Using Wayland
ADDITIONAL INFORMATION
Iirc this didn't happen on older Plasma 6 versions (eg. 6.0-6.2), but I might
be misremembering. Display used is an LG CX with a VMM7100 dp->hdmi 2.1
adapter, 9070xt with Mesa drivers.
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