quake / QW / client / d_zpoint.c

Copyright (C) 1996-1997 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

// d_zpoint.c: software driver module for drawing z-buffered points

#include "quakedef.h"
#include "d_local.h"

void D_DrawZPoint (void)
	byte	*pdest;
	short	*pz;
	int		izi;
	pz = d_pzbuffer + (d_zwidth * r_zpointdesc.v) + r_zpointdesc.u;
	pdest = d_viewbuffer + d_scantable[r_zpointdesc.v] + r_zpointdesc.u;
	izi = (int)(r_zpointdesc.zi * 0x8000);

	if (*pz <= izi)
		*pz = izi;
		*pdest = r_zpointdesc.color;
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