Investigate https://wiki.libsdl.org/SDL_BlitScaled
Otherwise basically rendering the menu to it's own buffer and scaling it up.
Alternative is to actually position and scale the menu elements depending on the screen resolution, though this is more complicated to implement at this stage.
Investigate https://wiki.libsdl.org/SDL_BlitScaled
Otherwise basically rendering the menu to it's own buffer and scaling it up.
Alternative is to actually position and scale the menu elements depending on the screen resolution, though this is more complicated to implement at this stage.