rockbox/apps/plugins/sdl/progs/quake/d_vars.c
Franklin Wei 4397194110 quake: enable PQ_OPT5 (a fixed-point DrawSpans8)
This boosts performance to 13.0FPS on ipod6g for `timedemo demo1'. That's a
+34% increase from baseline.

Change-Id: I50bae7783ff2fce46e8257c251c6b639c069e7cb
2019-08-09 21:27:55 -04:00

70 lines
2.1 KiB
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
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// r_vars.c: global refresh variables
#include "quakedef.h"
#if !id386
// 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;
#ifdef USE_PQ_OPT3
int d_sdivzstepu_fxp, d_tdivzstepu_fxp, d_zistepu_fxp;
int d_sdivzstepv_fxp, d_tdivzstepv_fxp, d_zistepv_fxp;
int d_sdivzorigin_fxp, d_tdivzorigin_fxp, d_ziorigin_fxp;
#endif
int d_ziorigin_fxp, d_zistepv_fxp, d_zistepu_fxp;
#ifdef USE_PQ_OPT
//JB: Optimization
int sdivzstepu, tdivzstepu, zistepu;
int sdivzstepv, tdivzstepv, zistepv;
int sdivzorigin, tdivzorigin, ziorigin;
#endif
#ifdef USEFPM
fixedpoint_t d_sdivzstepuFPM, d_tdivzstepuFPM, d_zistepuFPM;
fixedpoint_t d_sdivzstepvFPM, d_tdivzstepvFPM, d_zistepvFPM;
fixedpoint_t d_sdivzoriginFPM, d_tdivzoriginFPM, d_zioriginFPM;
#endif
fixed16_t sadjust, tadjust, bbextents, bbextentt;
pixel_t *cacheblock;
int cachewidth;
pixel_t *d_viewbuffer;
short *d_pzbuffer;
unsigned int d_zrowbytes;
unsigned int d_zwidth;
#endif // !id386