https://bugs.kde.org/show_bug.cgi?id=496078
Bug ID: 496078
Summary: Multiple emulators like dosbox and visualboyadvance-m
seem to have trouble with screen size under KDE Plasma
6 Wayland
Classification: Plasma
Product: kwin
Version: 6.2.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: e...@horse64.org
Target Milestone: ---
Created attachment 175723
--> https://bugs.kde.org/attachment.cgi?id=175723&action=edit
A copy of Dosbox apparently having trouble with centering and scaling the image
properly in fullscreen
SUMMARY
Multiple emulators like dosbox and visualboyadvance-m seem to have trouble with
screen size under KDE Plasma 6 Wayland. When running these in full screen, only
a small part of the screen is drawn as a tiny rectangle as if they detect the
screen resolution completely wrong. Since it affects multiple such
applications, I wonder if this is possibly some sort of KWin or Plasma bug. I
attached screenshots that show the issue.
STEPS TO REPRODUCE
1. Start an affected application. This would be some Dosbox variants shipped
with some https://gog.com games (might not be latest dosbox version), and
https://flathub.org/apps/com.vba_m.visualboyadvance-m
2. Switch to fullscreen
OBSERVED RESULT
See screenshots, where drawn area doesn't fill the screen.
EXPECTED RESULT
Emulators fill entire screen in fullscreen, or do whatever letterboxing would
be normally expected.
SOFTWARE/OS VERSIONS
Windows:
macOS:
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: postmarketOS Edge based on 3.21.0_alpha20240923, kernel
6.11.6-0-edge
KDE Plasma Version: 6.2.2
KDE Frameworks Version: 6.7.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
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