Polygon rendering mode type allegro game programming library.
#include <allegro.h>
#define POLYTYPE_ATEX_MASK_TRANS
#define POLYTYPE_PTEX_MASK_TRANS
Like POLYTYPE_ATEX_TRANS and POLYTYPE_PTEX_TRANS, but zero texture map pixels are skipped.
polygon3d(3alleg4), ex3d(3alleg4)