NAME

SDL_GetPrimaryDisplay - Return the primary display.

SYNOPSIS

#include <SDL3/SDL_video.h>

SDL_DisplayID SDL_GetPrimaryDisplay(void);

RETURN VALUE

Returns the instance ID of the primary display on success or 0 on failure; call SDL_GetError() for more information.

THREAD SAFETY

This function should only be called on the main thread.

AVAILABILITY

This function is available since SDL 3.2.0.

SEE ALSO

SDL_GetDisplays(3)