https://bugs.kde.org/show_bug.cgi?id=505429
Bug ID: 505429
Summary: Weird behavior with game resolution
Classification: Plasma
Product: kwin
Version First unspecified
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: multi-screen
Assignee: kwin-bugs-n...@kde.org
Reporter: adamen...@gmail.com
Target Milestone: ---
SUMMARY
For some context : i have 2 monitors, the primary one is an Alienware AW3423DWF
and the secondary one, a 16" laptop screen in 16:10 aspect ratio and 2560X1600
in portrait mode. Primary monitor at 100% scale and secondary at 150% (cause
100% looks hella small on a 2k 16" display)
I recently tried to play Expedition 33 but performances was really bad compared
to Windows. (about 30 to 40 FPS on CachyOS and 70 to 80 on Windows)
When i tried to change some graphics settings, i saw a weird resolution in
borderless widescreen 5120x2160, i tried to change to fullscreen and see if my
native resolution (3440x1400) was there but nothing. Even tried with RDR2 and
Space Marine 2 and i have the same bug, with Portal 2, a native Linux game,
it's even weirder, the game tries to combine my 2 monitors by doing 6250x2560
resolution.
I then set the secondary monitor scale to 100% and everything went back to
normal but it's now unreadable on this monitor. Additional info : when seting
down scale on the secondary monitor, every apps on the primary monitor got
bigger and vice versa when scaling up.
STEPS TO REPRODUCE
1. Set secondary monitor that is in portrait mode to 150% scale
2. Launch any game
OBSERVED RESULT
Game set to a higher resolution than my screen that leads to bad performances.
EXPECTED RESULT
Being able to use 3440x1440 resolution.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: CachyOS
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.14.0
Qt Version: 6.9.1
ADDITIONAL INFORMATION
PC Specs : Ryzen 7 7800X3D, Radeon RX 9070XT
Before the 16", 16:10, 2K screen, i had a 15,6", 16:9, 1080p screen and never
had any issue with this one.
Here some proton logs :
https://paste.gloriouseggroll.tv/?507ad681c7639572#EwqsjvWVCUP7TZYzSSY8tczgedJp28NgyeUNNzpCUH5f
And the outpout from this command : inxi -SMGxx
https://paste.gloriouseggroll.tv/?534c335904c03c58#64sE3t3LJFNNm59dsF2myFDFbUcbD1HFXxbPFhac8E3N
Thanks for reading me !
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