| 0,0 → 1,111 |
|---|
| /* |
| 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. |
| |
| */ |
| // d_local.h: private rasterization driver defs |
| |
| #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); |
| |