quakeforge/libs/video/renderer/sw/d_zpoint.c
Bill Currie 5477352e93 [renderer] Abandon sw32 altogether
I'd been considering it for a while, but in the end, all the issues it
presented made me decide it wasn't worth merging and was never really
worth keeping: it was a neat proof of concept but of little actual use,
especially now everyone either has an OK GPU or would want to stick to
8-bit rendering anyway (sorry L-Havoc).

However, both it and my merge work are preserved in git history :)
2022-03-09 21:36:15 +09:00

50 lines
1.2 KiB
C

/*
d_zpoint.c
software driver module for drawing z-buffered points
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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "d_local.h"
#include "r_internal.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;
}
}