SDL_GetDisplayBounds - Man Page

#include <SDL3/SDL_video.h>

bool SDL_GetDisplayBounds(SDL_DisplayID displayID, SDL_Rect *rect);

The primary display is often located at (0,0), but may be placed at a different location depending on monitor layout.

displayID

the instance ID of the display to query.

rect

the SDL_Rect structure filled in with the display bounds.

Returns true on success or false on failure; call SDL_GetError() for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

SDL_GetDisplayUsableBounds(3), SDL_GetDisplays(3)

SDL_GetDisplayForPoint(3), SDL_GetDisplayForRect(3), SDL_GetDisplayForWindow(3), SDL_GetDisplayUsableBounds(3).