https://bugs.kde.org/show_bug.cgi?id=502023
Bug ID: 502023
Summary: Lack of support for BT.1866 gamma causes issues with
color in direct scanout
Classification: Plasma
Product: kwin
Version: 6.3.3
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: anhollander...@gmail.com
Target Milestone: ---
Created attachment 179753
--> https://bugs.kde.org/attachment.cgi?id=179753&action=edit
Sample video file that demonstrates the issue
SUMMARY
Lack of BT.1866 support causes color to render incorrectly when using direct
scanout, such as with mpv --vo=dmabuf-wayland.
STEPS TO REPRODUCE
1. Play a video with mpv --vo=dmabuf-wayland
OBSERVED RESULT
2. The color changes depending on whether direct scanout is enabled in
fullscreen or not (such as moving the mouse, or exiting fullscreen)
EXPECTED RESULT
3. Color remains consistent
SOFTWARE/OS VERSIONS
Operating System: Gentoo Linux 2.17
KDE Plasma Version: 6.3.3
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3
Kernel Version: 6.14.0-20R5-sched-ext (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i5-10310U CPU @ 1.70GHz
Memory: 7.5 GiB of RAM
Graphics Processor: Intel® UHD Graphics
ADDITIONAL INFORMATION
https://github.com/mpv-player/mpv/issues/16112
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