Allegro 5 api
#include <allegro5/allegro_primitives.h> typedef enum ALLEGRO_PRIM_STORAGE
Enumerates the types of storage an attribute of a custom vertex may be stored in.
ALLEGRO_PRIM_FLOAT_2 - A doublet of floats
ALLEGRO_PRIM_FLOAT_3 - A triplet of floats
ALLEGRO_PRIM_SHORT_2 - A doublet of shorts
ALLEGRO_PRIM_ATTR(3alleg5)