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NAME

       POLYTYPE_PTEX - Polygon rendering mode type Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       #define POLYTYPE_PTEX

DESCRIPTION

       A  perspective-correct  texture  mapped  polygon.  This uses the `z' value from the vertex
       structure as well as the u/v coordinates, so textures are displayed  correctly  regardless
       of  the angle they are viewed from. Because it involves division calculations in the inner
       texture mapping loop, this mode is a lot slower than POLYTYPE_ATEX, and it  uses  floating
       point  so  it  will  be very slow on anything less than a Pentium (even with an FPU, a 486
       can't overlap floating point division with other integer operations like the Pentium can).

SEE ALSO

       polygon3d(3alleg), POLYTYPE_ATEX(3alleg), ex3d(3alleg)