ALLEGRO_PRIM_ATTR(3)

NAME

ALLEGRO_PRIM_ATTR - Allegro 5 API

SYNOPSIS

    #include <allegro5/allegro_primitives.h>
    typedef enum ALLEGRO_PRIM_ATTR

DESCRIPTION

Enumerates the types of vertex attributes that a custom vertex may have.

•   ALLEGRO_PRIM_POSITION - Position information, can be stored only in ALLEGRO_PRIM_SHORT_2, ALLEGRO_PRIM_FLOAT_2 and ALLEGRO_PRIM_FLOAT_3.

•   ALLEGRO_PRIM_COLOR_ATTR - Color information, stored in an ALLEGRO_COLOR(3). The storage field of ALLEGRO_VERTEX_ELEMENT is ignored

•   ALLEGRO_PRIM_TEX_COORD - Texture coordinate information, can be stored only in ALLEGRO_PRIM_FLOAT_2 and ALLEGRO_PRIM_SHORT_2. These coordinates are normalized by the width and height of the texture, meaning that the bottom-right corner has texture coordinates of (1, 1).

•   ALLEGRO_PRIM_TEX_COORD_PIXEL - Texture coordinate information, can be stored only in ALLEGRO_PRIM_FLOAT_2 and ALLEGRO_PRIM_SHORT_2. These coordinates are measured in pixels.

SEE ALSO

ALLEGRO_VERTEX_DECL(3), ALLEGRO_PRIM_STORAGE(3)