ref: b06965ffd80e9f3c53e28fec79c1aedf9618f7c7
dir: /qw/d_local.h/
// d_local.h: private rasterization driver defs // // 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); 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);