r7885 - trunk/darkplaces

[havoc at icculus.org]

Author: havoc
Date: 2007-12-31 11:36:14 -0500 (Mon, 31 Dec 2007)
New Revision: 7885

Modified:
   trunk/darkplaces/polygon.c
   trunk/darkplaces/polygon.h
Log is attached.
optimized PolygonF_Divide/PolygonD_Divide functions, now performing only
one dot-product per iteration rather than two
added PolygonF_Clip/PolygonD_Clip functions which keep only the front
side


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