Fullscreen mode does not respect primary monitor setting in KDE

[thecnoNSMB]

DSDA-Doom 0.28.1 insists on running full-screen on my secondary monitor, apparently because it's listed first in the display order, even though it should probably be full screen on whatever monitor the system indicates is the primary monitor. Switching which monitor is the primary monitor does not affect this behavior. I'm running Nobara (Fedora) 41, KDE Wayland with Nvidia GPU.

[Pedro-Beirao]

From what Ive found, SDL2 doesnt know which is the primary monitor, it simply uses the first index.

You can use the config option sdl_video_window_pos "x,y" to move the window to your primary monitor, but you will notice that on fullscreen, it still puts it in your secondary.

Ive found a way to fix it and will make a PR shortly
But know that you will need to manually edit the config file to force the window to the primary display

[Pedro-Beirao]

Besides what I said, I also implemented a new config option for setting the display index. You will just need to set sdl_video_display_index to 1

[thecnoNSMB]

Thank you for the prompt response! I suppose if SDL2 doesn't have that information then this would be the best solution, then.