quakeforge/libs/video/renderer/sw/d_vars.c

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/*
d_vars.c
global refresh variables
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
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#include "QF/qtypes.h"
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#ifdef PIC
# undef USE_INTEL_ASM //XXX asm pic hack
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#endif
#ifndef USE_INTEL_ASM
// all global and static refresh variables are collected in a contiguous block
// to avoid cache conflicts.
// global refresh variables -----------------------------
// FIXME: make into one big structure, like cl or sv
// FIXME: do separately for refresh engine and driver
float d_sdivzstepu, d_tdivzstepu, d_zistepu;
float d_sdivzstepv, d_tdivzstepv, d_zistepv;
float d_sdivzorigin, d_tdivzorigin, d_ziorigin;
fixed16_t sadjust, tadjust, bbextents, bbextentt;
byte *cacheblock;
int cachewidth;
byte *d_viewbuffer;
short *d_pzbuffer;
unsigned int d_zrowbytes;
unsigned int d_zwidth;
#endif // !USE_INTEL_ASM