https://bugs.kde.org/show_bug.cgi?id=491452
Bug ID: 491452
Summary: Color correction (built-in) performance issues
Classification: Plasma
Product: kwin
Version: 6.1.4
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: bmil...@gmail.com
CC: xaver.h...@gmail.com
Target Milestone: ---
SUMMARY
When built-in color correction is enabled I see the following performance
issues on two systems:
1. At 1440p 180hz running glxgears/vkcube, system with 7950x AMD iGPU get's
like +30-50% usage compared to color correction off.
2. At 1440p 240hz running glxgears/vkcube, system with NVIDIA RTX 3090 gets
constant periodic usage spikes (+30%) and stutters (going from P2 to P5),
compared to smooth 240hz at P2 with color correction off.
ADDITIONAL INFORMATION
I'm thankful this got implemented, just reporting this as a minor issue as it
deserves to get optimized further. There are a few too many wide gamut panels
without any form of sRGB emulation, or handicapped ones.
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