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Linux: Fulllscreen mode does work as expected on Wayland. Pioneer only uses ~40% of the screen #4575

glaubersm opened this issue May 1, 2019 · 2 comments


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commented May 1, 2019

Observed behaviour

Pioneer only uses ~40% of the screen in fullscreen mode when running on Gnome Wayland or KDE Plasma Wayland sessions. See the screenshot below.
Such problem does not occur on X11.

Expected behaviour

Fullscreen mode works correctly.

Steps to reproduce

start Gnome Wayland or KDE Plasma Wayland sessions on linux
open Pioneer
set fullscreen mode and restart Pioneer

My pioneer version (and OS):
pioneer-bin 20190203-1 (installed from AUR)
Arch Linux
Gnome 3.32
KDE Plasma 5.15.4



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commented May 1, 2019

This is likely an issue with Wayland-SDL interoperability, as it appears that SDL is reporting a smaller size (800x600?) than is actually occupied by the window. It also appears that the game renderer and the imgui renderer implementation use two different OpenGL origin modes, which is causing the menu to render in empty space.

Unfortunately, my DE doesn't use wayland so I'm unable to track the bug down myself. If you find a workaround or want to hunt for the cause of the bug yourself, please feel free.


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commented May 1, 2019

Unfortunately I do not understand anything about software developement. :(

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