.TH "ALLEGRO_PRIM_ATTR(3alleg5) Allegro reference manual" "" "" "" ""
.SH NAME
.PP
ALLEGRO_PRIM_ATTR \- Allegro 5 API
.SH SYNOPSIS
.IP
.nf
\f[C]
#include\ <allegro5/allegro_primitives.h>

typedef\ enum\ ALLEGRO_PRIM_ATTR
\f[]
.fi
.SH DESCRIPTION
.PP
Enumerates the types of vertex attributes that a custom vertex may have.
.IP \[bu] 2
ALLEGRO_PRIM_POSITION \- Position information, can be stored only in
ALLEGRO_PRIM_SHORT_2, ALLEGRO_PRIM_FLOAT_2 and ALLEGRO_PRIM_FLOAT_3.
.IP \[bu] 2
ALLEGRO_PRIM_COLOR_ATTR \- Color information, stored in an
ALLEGRO_COLOR(3alleg5).
The storage field of ALLEGRO_VERTEX_ELEMENT is ignored
.IP \[bu] 2
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).
.IP \[bu] 2
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.
.SH SEE ALSO
.PP
ALLEGRO_VERTEX_DECL(3alleg5), ALLEGRO_PRIM_STORAGE(3alleg5)