Any SDL2 app launching causes my Desktop and my Laptop to freeze. Using the app also causes smearing when dragging it. I’ve looked through my packages and don’t really understand what the issue is.
Are you using Wayland by any chance?
Nope, on X11 Plasma on both devices.
All I can say is to give some more information so that someone knowledgeable can help you out.
The output of
inxi -FAZ --no-host | eos-sendlog
is a start.
Welcome to the forum by the way!