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| /* | |
| 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_iface.h: interface header file for rasterization driver modules | |
| #define WARP_WIDTH 320 | |
| #define WARP_HEIGHT 200 | |
| #define MAX_LBM_HEIGHT 480 | |
| typedef struct | |
| { | |
| float u, v; | |
| float s, t; | |
| float zi; | |
| } emitpoint_t; | |
| typedef enum { | |
| pt_static, pt_grav, pt_slowgrav, pt_fire, pt_explode, pt_explode2, pt_blob, pt_blob2 | |
| } ptype_t; | |
| // !!! if this is changed, it must be changed in d_ifacea.h too !!! | |
| typedef struct particle_s | |
| { | |
| // driver-usable fields | |
| vec3_t org; | |
| float color; | |
| // drivers never touch the following fields | |
| struct particle_s *next; | |
| vec3_t vel; | |
| float ramp; | |
| float die; | |
| ptype_t type; | |
| } particle_t; | |
| #define PARTICLE_Z_CLIP 8.0 | |
| typedef struct polyvert_s { | |
| float u, v, zi, s, t; | |
| } polyvert_t; | |
| typedef struct polydesc_s { | |
| int numverts; | |
| float nearzi; | |
| msurface_t *pcurrentface; | |
| polyvert_t *pverts; | |
| } polydesc_t; | |
| // !!! if this is changed, it must be changed in d_ifacea.h too !!! | |
| typedef struct finalvert_s { | |
| int v[6]; // u, v, s, t, l, 1/z | |
| int flags; | |
| float reserved; | |
| } finalvert_t; | |
| // !!! if this is changed, it must be changed in d_ifacea.h too !!! | |
| typedef struct | |
| { | |
| void *pskin; | |
| maliasskindesc_t *pskindesc; | |
| int skinwidth; | |
| int skinheight; | |
| mtriangle_t *ptriangles; | |
| finalvert_t *pfinalverts; | |
| int numtriangles; | |
| int drawtype; | |
| int seamfixupX16; | |
| } affinetridesc_t; | |
| // !!! if this is changed, it must be changed in d_ifacea.h too !!! | |
| typedef struct { | |
| float u, v, zi, color; | |
| } screenpart_t; | |
| typedef struct | |
| { | |
| int nump; | |
| emitpoint_t *pverts; // there's room for an extra element at [nump], | |
| // if the driver wants to duplicate element [0] at | |
| // element [nump] to avoid dealing with wrapping | |
| mspriteframe_t *pspriteframe; | |
| vec3_t vup, vright, vpn; // in worldspace | |
| float nearzi; | |
| } spritedesc_t; | |
| typedef struct | |
| { | |
| int u, v; | |
| float zi; | |
| int color; | |
| } zpointdesc_t; | |
| extern cvar_t r_drawflat; | |
| extern int d_spanpixcount; | |
| extern int r_framecount; // sequence # of current frame since Quake | |
| // started | |
| extern qboolean r_drawpolys; // 1 if driver wants clipped polygons | |
| // rather than a span list | |
| extern qboolean r_drawculledpolys; // 1 if driver wants clipped polygons that | |
| // have been culled by the edge list | |
| extern qboolean r_worldpolysbacktofront; // 1 if driver wants polygons | |
| // delivered back to front rather | |
| // than front to back | |
| extern qboolean r_recursiveaffinetriangles; // true if a driver wants to use | |
| // recursive triangular subdivison | |
| // and vertex drawing via | |
| // D_PolysetDrawFinalVerts() past | |
| // a certain distance (normally | |
| // only used by the software | |
| // driver) | |
| extern float r_aliasuvscale; // scale-up factor for screen u and v | |
| // on Alias vertices passed to driver | |
| extern int r_pixbytes; | |
| extern qboolean r_dowarp; | |
| extern affinetridesc_t r_affinetridesc; | |
| extern spritedesc_t r_spritedesc; | |
| extern zpointdesc_t r_zpointdesc; | |
| extern polydesc_t r_polydesc; | |
| extern int d_con_indirect; // if 0, Quake will draw console directly | |
| // to vid.buffer; if 1, Quake will | |
| // draw console via D_DrawRect. Must be | |
| // defined by driver | |
| extern vec3_t r_pright, r_pup, r_ppn; | |
| void D_Aff8Patch (void *pcolormap); | |
| void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height); | |
| void D_DisableBackBufferAccess (void); | |
| void D_EndDirectRect (int x, int y, int width, int height); | |
| void D_PolysetDraw (void); | |
| void D_PolysetDrawFinalVerts (finalvert_t *fv, int numverts); | |
| void D_DrawParticle (particle_t *pparticle); | |
| void D_DrawPoly (void); | |
| void D_DrawSprite (void); | |
| void D_DrawSurfaces (void); | |
| void D_DrawZPoint (void); | |
| void D_EnableBackBufferAccess (void); | |
| void D_EndParticles (void); | |
| void D_Init (void); | |
| void D_ViewChanged (void); | |
| void D_SetupFrame (void); | |
| void D_StartParticles (void); | |
| void D_TurnZOn (void); | |
| void D_WarpScreen (void); | |
| void D_FillRect (vrect_t *vrect, int color); | |
| void D_DrawRect (void); | |
| void D_UpdateRects (vrect_t *prect); | |
| // currently for internal use only, and should be a do-nothing function in | |
| // hardware drivers | |
| // FIXME: this should go away | |
| void D_PolysetUpdateTables (void); | |
| // these are currently for internal use only, and should not be used by drivers | |
| extern int r_skydirect; | |
| extern byte *r_skysource; | |
| // transparency types for D_DrawRect () | |
| #define DR_SOLID 0 | |
| #define DR_TRANSPARENT 1 | |
| // !!! must be kept the same as in quakeasm.h !!! | |
| #define TRANSPARENT_COLOR 0xFF | |
| extern void *acolormap; // FIXME: should go away | |
| //=======================================================================// | |
| // callbacks to Quake | |
| typedef struct | |
| { | |
| pixel_t *surfdat; // destination for generated surface | |
| int rowbytes; // destination logical width in bytes | |
| msurface_t *surf; // description for surface to generate | |
| fixed8_t lightadj[MAXLIGHTMAPS]; | |
| // adjust for lightmap levels for dynamic lighting | |
| texture_t *texture; // corrected for animating textures | |
| int surfmip; // mipmapped ratio of surface texels / world pixels | |
| int surfwidth; // in mipmapped texels | |
| int surfheight; // in mipmapped texels | |
| } drawsurf_t; | |
| extern drawsurf_t r_drawsurf; | |
| void R_DrawSurface (void); | |
| void R_GenTile (msurface_t *psurf, void *pdest); | |
| // !!! if this is changed, it must be changed in d_ifacea.h too !!! | |
| #define TURB_TEX_SIZE 64 // base turbulent texture size | |
| // !!! if this is changed, it must be changed in d_ifacea.h too !!! | |
| #define CYCLE 128 // turbulent cycle size | |
| #define TILE_SIZE 128 // size of textures generated by R_GenTiledSurf | |
| #define SKYSHIFT 7 | |
| #define SKYSIZE (1 << SKYSHIFT) | |
| #define SKYMASK (SKYSIZE - 1) | |
| extern float skyspeed, skyspeed2; | |
| extern float skytime; | |
| extern int c_surf; | |
| extern vrect_t scr_vrect; | |
| extern byte *r_warpbuffer; | |