166 lines
4.4 KiB
C
166 lines
4.4 KiB
C
// d_local.h: private rasterization driver defs
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/*
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* $Header: /H3/game/D_LOCAL.H 13 8/30/97 6:17p Rjohnson $
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*/
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#include "r_shared.h"
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//
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// TODO: fine-tune this; it's based on providing some overage even if there
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// is a 2k-wide scan, with subdivision every 8, for 256 spans of 12 bytes each
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//
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#define SCANBUFFERPAD 0x1000
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#define R_SKY_SMASK 0x007F0000
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#define R_SKY_TMASK 0x007F0000
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#define DS_SPAN_LIST_END -128
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//old surface cache - rj #define SURFCACHE_SIZE_AT_320X200 600*1024
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#define SURFCACHE_SIZE_AT_320X200 768*1024
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typedef struct surfcache_s
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{
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struct surfcache_s *next;
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struct surfcache_s **owner; // NULL is an empty chunk of memory
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int lightadj[MAXLIGHTMAPS]; // checked for strobe flush
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int dlight;
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int size; // including header
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unsigned width;
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unsigned height; // DEBUG only needed for debug
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float mipscale;
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struct texture_s *texture; // checked for animating textures
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int drawflags;
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int abslight;
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byte data[4]; // width*height elements
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} surfcache_t;
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct sspan_s
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{
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int u, v, count;
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} sspan_t;
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extern cvar_t d_subdiv16;
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extern float scale_for_mip;
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extern qboolean d_roverwrapped;
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extern surfcache_t *sc_rover;
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extern surfcache_t *d_initial_rover;
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extern float d_sdivzstepu, d_tdivzstepu, d_zistepu;
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extern float d_sdivzstepv, d_tdivzstepv, d_zistepv;
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extern float d_sdivzorigin, d_tdivzorigin, d_ziorigin;
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fixed16_t sadjust, tadjust;
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fixed16_t bbextents, bbextentt;
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void D_DrawSpans8 (espan_t *pspans);
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void D_DrawSpans16 (espan_t *pspans);
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void D_DrawSpans16T (espan_t *pspans);
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void D_DrawZSpans (espan_t *pspans);
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void D_DrawSingleZSpans (espan_t *pspans);
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void Turbulent8 (surf_t *s);
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void D_SpriteDrawSpans (sspan_t *pspan);
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void D_SpriteDrawSpansT (sspan_t *pspan);
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void D_SpriteDrawSpansT2 (sspan_t *pspan);
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void D_DrawSkyScans8 (espan_t *pspan);
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void D_DrawSkyScans16 (espan_t *pspan);
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void R_ShowSubDiv (void);
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void (*prealspandrawer)(void);
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surfcache_t *D_CacheSurface (msurface_t *surface, int miplevel);
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extern int D_MipLevelForScale (float scale);
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#if id386
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extern void D_PolysetAff8Start (void);
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extern void D_PolysetAff8End (void);
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extern void D_PolysetAff8StartT (void);
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extern void D_PolysetAff8EndT (void);
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extern void D_PolysetAff8StartT2 (void);
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extern void D_PolysetAff8EndT2 (void);
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extern void D_PolysetAff8StartT3 (void);
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extern void D_PolysetAff8EndT3 (void);
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extern void D_PolysetAff8StartT5 (void);
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extern void D_PolysetAff8EndT5 (void);
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extern void D_Draw16StartT (void);
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extern void D_Draw16EndT (void);
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extern void D_SpriteSpansStartT (void);
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extern void D_SpriteSpansEndT (void);
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extern void D_SpriteSpansStartT2 (void);
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extern void D_SpriteSpansEndT2 (void);
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extern void D_DrawTurbulent8TSpan (void);
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extern void D_DrawTurbulent8TQuickSpan (void);
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extern void D_DrawTurbulent8TSpanEnd (void);
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#endif
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extern short *d_pzbuffer;
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extern unsigned int d_zrowbytes, d_zwidth;
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extern int *d_pscantable;
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extern int d_scantable[MAXHEIGHT];
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extern int d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle;
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extern int d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift;
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extern pixel_t *d_viewbuffer;
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extern short *zspantable[MAXHEIGHT];
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extern int d_minmip;
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extern float d_scalemip[3];
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extern void (*d_drawspans) (espan_t *pspan);
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#define SCAN_SIZE 2048
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extern byte scanList[SCAN_SIZE];
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/*
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* $Log: /H3/game/D_LOCAL.H $
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*
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* 13 8/30/97 6:17p Rjohnson
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* Reduced texture cache
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*
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* 12 6/12/97 11:08a Rjohnson
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* Only water is translucent now
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*
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* 11 6/03/97 5:50p Rjohnson
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* Added translucent water
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*
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* 10 5/22/97 5:56p Rjohnson
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* New translucency effect
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*
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* 9 5/18/97 1:37p Rjohnson
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* Added new mixed mode sprite assembly
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*
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* 8 5/18/97 12:50p Rjohnson
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* Sprite translucency is now in assembly
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*
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* 7 5/15/97 4:42p Rjohnson
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* Minor assembly optimization
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*
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* 6 4/24/97 11:21p Rjohnson
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* You can now set the overall light level of a bmodel
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*
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* 5 4/21/97 11:35a Rjohnson
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* Translucency update (drawn in right order) and translucent bmodels
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*
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* 4 3/28/97 5:28p Rjohnson
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* Updates to the transparency for the models
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*
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* 3 3/28/97 10:08a Rjohnson
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* Added transparent models
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*
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* 2 1/07/97 10:03a Rjohnson
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* Increased surface cache size
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*/
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