Query: polytype_ptex
OS: suse
Section: 3alleg4
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
POLYTYPE_PTEX(3alleg4) Allegro manual POLYTYPE_PTEX(3alleg4)NAMEPOLYTYPE_PTEX - Polygon rendering mode type Allegro game programming library.SYNOPSIS#include <allegro.h> #define POLYTYPE_PTEXDESCRIPTIONA 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 map- ping 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 ALSOpolygon3d(3alleg4), POLYTYPE_ATEX(3alleg4), ex3d(3alleg4) Allegro version 4.4.2 POLYTYPE_PTEX(3alleg4)
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