mirror of
https://git.code.sf.net/p/quake/quakeforge-old
synced 2024-11-22 11:51:17 +00:00
7df744f9e9
came from as soon as I actually finish doing it since it has to be done by hand to preserve Copyright notices and file descriptions.
120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/*
|
|
d_local.h
|
|
|
|
private rasterization driver defs
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
Copyright (C) 1999,2000 contributors of the QuakeForge project
|
|
Please see the file "AUTHORS" for a list of contributors
|
|
|
|
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
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#include <r_shared.h>
|
|
|
|
//
|
|
// TODO: fine-tune this; it's based on providing some overage even if there
|
|
// is a 2k-wide scan, with subdivision every 8, for 256 spans of 12 bytes each
|
|
//
|
|
#define SCANBUFFERPAD 0x1000
|
|
|
|
#define R_SKY_SMASK 0x007F0000
|
|
#define R_SKY_TMASK 0x007F0000
|
|
|
|
#define DS_SPAN_LIST_END -128
|
|
|
|
#define SURFCACHE_SIZE_AT_320X200 600*1024
|
|
|
|
typedef struct surfcache_s
|
|
{
|
|
struct surfcache_s *next;
|
|
struct surfcache_s **owner; // NULL is an empty chunk of memory
|
|
int lightadj[MAXLIGHTMAPS]; // checked for strobe flush
|
|
int dlight;
|
|
int size; // including header
|
|
unsigned width;
|
|
unsigned height; // DEBUG only needed for debug
|
|
float mipscale;
|
|
struct texture_s *texture; // checked for animating textures
|
|
byte data[4]; // width*height elements
|
|
} surfcache_t;
|
|
|
|
// !!! if this is changed, it must be changed in asm_draw.h too !!!
|
|
typedef struct sspan_s
|
|
{
|
|
int u, v, count;
|
|
} sspan_t;
|
|
|
|
extern cvar_t *d_subdiv16;
|
|
|
|
extern float scale_for_mip;
|
|
|
|
extern qboolean d_roverwrapped;
|
|
extern surfcache_t *sc_rover;
|
|
extern surfcache_t *d_initial_rover;
|
|
|
|
extern float d_sdivzstepu, d_tdivzstepu, d_zistepu;
|
|
extern float d_sdivzstepv, d_tdivzstepv, d_zistepv;
|
|
extern float d_sdivzorigin, d_tdivzorigin, d_ziorigin;
|
|
|
|
fixed16_t sadjust, tadjust;
|
|
fixed16_t bbextents, bbextentt;
|
|
|
|
|
|
void D_DrawSpans8 (espan_t *pspans);
|
|
void D_DrawSpans16 (espan_t *pspans);
|
|
void D_DrawZSpans (espan_t *pspans);
|
|
void Turbulent8 (espan_t *pspan);
|
|
void D_SpriteDrawSpans (sspan_t *pspan);
|
|
|
|
void D_DrawSkyScans8 (espan_t *pspan);
|
|
void D_DrawSkyScans16 (espan_t *pspan);
|
|
|
|
void R_ShowSubDiv (void);
|
|
void (*prealspandrawer)(void);
|
|
surfcache_t *D_CacheSurface (msurface_t *surface, int miplevel);
|
|
|
|
extern int D_MipLevelForScale (float scale);
|
|
|
|
#if id386
|
|
extern void D_PolysetAff8Start (void);
|
|
extern void D_PolysetAff8End (void);
|
|
#endif
|
|
|
|
extern short *d_pzbuffer;
|
|
extern unsigned int d_zrowbytes, d_zwidth;
|
|
|
|
extern int *d_pscantable;
|
|
extern int d_scantable[MAXHEIGHT];
|
|
|
|
extern int d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle;
|
|
|
|
extern int d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift;
|
|
|
|
extern pixel_t *d_viewbuffer;
|
|
|
|
extern short *zspantable[MAXHEIGHT];
|
|
|
|
extern int d_minmip;
|
|
extern float d_scalemip[3];
|
|
|
|
extern void (*d_drawspans) (espan_t *pspan);
|
|
|