man POLYTYPE_ATEX_MASK () - Polygon rendering mode type Allegro game programming library.
NAME
POLYTYPE_ATEX_MASK, POLYTYPE_PTEX_MASK - Polygon rendering mode type Allegro game programming library.
SYNOPSIS
#include <allegro.h>
#define POLYTYPE_ATEX_MASK
#define POLYTYPE_PTEX_MASK
DESCRIPTION
Like POLYTYPE_ATEX and POLYTYPE_PTEX, but zero texture map pixels are skipped, allowing parts of the texture map to be transparent.