https://bugs.kde.org/show_bug.cgi?id=437338
Bug ID: 437338
Summary: Refresh Rate affecting Performance
Product: krita
Version: 4.4.2
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: major
Priority: NOR
Component: Usability
Assignee: krita-bugs-n...@kde.org
Reporter: icesag...@gmail.com
Target Milestone: ---
SUMMARY
Dual monitor setup with both at 1440p. One monitor is 165hz(displayport) while
second monitor is 60hz(hdmi). Krita works perfectly on second monitor. When
moved to main and physically larger monitor performance reduces drastically.
STEPS TO REPRODUCE
1. Have two monitors, one freesync at 165hz one standard at 59/60
2. Move between monitors
3. Try to draw
OBSERVED RESULT
Effect on precision shown here https://i.imgur.com/KXouic6.png , drawn with a
mouse at the same speed for consistency. Only difference is program moved
between monitors. Notice the sharp edges when drawing and writing on the main
monitor. Those show the lag spikes where the program waits to catch up. This
happens with Open GL as well as DX11.
EXPECTED RESULT
No change in performance.
SOFTWARE/OS VERSIONS
Windows: 120.2212.31.0
ADDITIONAL INFORMATION
DXDIAG is here. https://pastebin.com/ifJbFwkP
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