Man page - sdl_getwindowfullscreenmode(3)

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Package: libsdl3-doc
apt-get install libsdl3-doc

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SDL_GetWindowFullscreenMode - Query the display mode to use when a window is visible at fullscreen.

Defined in SDL3/SDL_video.h

#include "SDL3/SDL.h"

const SDL_DisplayMode * SDL_GetWindowFullscreenMode(SDL_Window *window);

window

the window to query.

(const SDL_DisplayMode
*) Returns a pointer to the exclusive fullscreen mode to use or NULL for borderless fullscreen desktop mode.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.