ALLEGRO_DISPLAY_MODE - Man Page

#include <allegro5/allegro.h>

typedef struct ALLEGRO_DISPLAY_MODE

Used for fullscreen mode queries. Contains information about a supported fullscreen modes.

typedef struct ALLEGRO_DISPLAY_MODE {
   int width;          // Screen width
   int height;         // Screen height
   int format;         // The pixel format of the mode
   int refresh_rate;   // The refresh rate of the mode
} ALLEGRO_DISPLAY_MODE;

The refresh_rate may be zero if unknown.

For an explanation of what format means, see ALLEGRO_PIXEL_FORMAT(3).

al_get_display_mode(3)

al_get_display_mode(3).