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1.1 root 1: // d_iface.h: interface header file for rasterization driver modules
2:
3: #define WARP_WIDTH 320
4: #define WARP_HEIGHT 200
5:
1.1.1.2 ! root 6: #define MAX_LBM_HEIGHT 480
1.1 root 7:
8: typedef struct
9: {
10: float u, v;
11: float s, t;
12: float zi;
13: } emitpoint_t;
14:
15: typedef enum {
16: pt_static, pt_grav, pt_slowgrav, pt_fire, pt_explode, pt_explode2, pt_blob, pt_blob2
17: } ptype_t;
18:
19: // !!! if this is changed, it must be changed in d_ifacea.h too !!!
20: typedef struct particle_s
21: {
22: // driver-usable fields
23: vec3_t org;
24: float color;
25: // drivers never touch the following fields
26: struct particle_s *next;
27: vec3_t vel;
28: float ramp;
29: float die;
30: ptype_t type;
31: } particle_t;
32:
33: #define PARTICLE_Z_CLIP 8.0
34:
35: typedef struct polyvert_s {
36: float u, v, zi, s, t;
37: } polyvert_t;
38:
39: typedef struct polydesc_s {
40: int numverts;
41: float nearzi;
42: msurface_t *pcurrentface;
43: polyvert_t *pverts;
44: } polydesc_t;
45:
46: // !!! if this is changed, it must be changed in d_ifacea.h too !!!
47: typedef struct finalvert_s {
48: int v[6]; // u, v, s, t, l, 1/z
49: int flags;
50: float reserved;
51: } finalvert_t;
52:
53: // !!! if this is changed, it must be changed in d_ifacea.h too !!!
54: typedef struct
55: {
56: void *pskin;
57: maliasskindesc_t *pskindesc;
58: int skinwidth;
59: int skinheight;
60: mtriangle_t *ptriangles;
61: finalvert_t *pfinalverts;
62: int numtriangles;
63: int drawtype;
64: int seamfixupX16;
65: } affinetridesc_t;
66:
67: // !!! if this is changed, it must be changed in d_ifacea.h too !!!
68: typedef struct {
69: float u, v, zi, color;
70: } screenpart_t;
71:
72: typedef struct
73: {
74: int nump;
75: emitpoint_t *pverts; // there's room for an extra element at [nump],
76: // if the driver wants to duplicate element [0] at
77: // element [nump] to avoid dealing with wrapping
78: mspriteframe_t *pspriteframe;
79: vec3_t vup, vright, vpn; // in worldspace
80: float nearzi;
81: } spritedesc_t;
82:
83: typedef struct
84: {
85: int u, v;
86: float zi;
87: int color;
88: } zpointdesc_t;
89:
90: extern cvar_t r_drawflat;
91: extern int d_spanpixcount;
92: extern int r_framecount; // sequence # of current frame since Quake
93: // started
94: extern qboolean r_drawpolys; // 1 if driver wants clipped polygons
95: // rather than a span list
96: extern qboolean r_drawculledpolys; // 1 if driver wants clipped polygons that
97: // have been culled by the edge list
98: extern qboolean r_worldpolysbacktofront; // 1 if driver wants polygons
99: // delivered back to front rather
100: // than front to back
101: extern qboolean r_recursiveaffinetriangles; // true if a driver wants to use
102: // recursive triangular subdivison
103: // and vertex drawing via
104: // D_PolysetDrawFinalVerts() past
105: // a certain distance (normally
106: // only used by the software
107: // driver)
108: extern float r_aliasuvscale; // scale-up factor for screen u and v
109: // on Alias vertices passed to driver
110: extern int r_pixbytes;
111: extern qboolean r_dowarp;
112:
113: extern affinetridesc_t r_affinetridesc;
114: extern spritedesc_t r_spritedesc;
115: extern zpointdesc_t r_zpointdesc;
116: extern polydesc_t r_polydesc;
117:
118: extern int d_con_indirect; // if 0, Quake will draw console directly
119: // to vid.buffer; if 1, Quake will
120: // draw console via D_DrawRect. Must be
121: // defined by driver
122:
123: extern vec3_t r_pright, r_pup, r_ppn;
124:
125:
126: void D_Aff8Patch (void *pcolormap);
127: void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height);
128: void D_DisableBackBufferAccess (void);
129: void D_EndDirectRect (int x, int y, int width, int height);
130: void D_PolysetDraw (void);
131: void D_PolysetDrawFinalVerts (finalvert_t *fv, int numverts);
132: void D_DrawParticle (particle_t *pparticle);
133: void D_DrawPoly (void);
134: void D_DrawSprite (void);
135: void D_DrawSurfaces (void);
136: void D_DrawZPoint (void);
137: void D_EnableBackBufferAccess (void);
138: void D_EndParticles (void);
139: void D_Init (void);
140: void D_ViewChanged (void);
141: void D_SetupFrame (void);
142: void D_StartParticles (void);
143: void D_TurnZOn (void);
144: void D_WarpScreen (void);
145:
146: void D_FillRect (vrect_t *vrect, int color);
147: void D_DrawRect (void);
148: void D_UpdateRects (vrect_t *prect);
149:
150: // currently for internal use only, and should be a do-nothing function in
151: // hardware drivers
152: // FIXME: this should go away
153: void D_PolysetUpdateTables (void);
154:
155: // these are currently for internal use only, and should not be used by drivers
156: extern int r_skydirect;
157: extern byte *r_skysource;
158:
159: // transparency types for D_DrawRect ()
160: #define DR_SOLID 0
161: #define DR_TRANSPARENT 1
162:
163: // !!! must be kept the same as in quakeasm.h !!!
164: #define TRANSPARENT_COLOR 0xFF
165:
166: extern void *acolormap; // FIXME: should go away
167:
168: //=======================================================================//
169:
170: // callbacks to Quake
171:
172: typedef struct
173: {
174: pixel_t *surfdat; // destination for generated surface
175: int rowbytes; // destination logical width in bytes
176: msurface_t *surf; // description for surface to generate
177: fixed8_t lightadj[MAXLIGHTMAPS];
178: // adjust for lightmap levels for dynamic lighting
179: texture_t *texture; // corrected for animating textures
180: int surfmip; // mipmapped ratio of surface texels / world pixels
181: int surfwidth; // in mipmapped texels
182: int surfheight; // in mipmapped texels
183: } drawsurf_t;
184:
185: extern drawsurf_t r_drawsurf;
186:
187: void R_DrawSurface (void);
188: void R_GenTile (msurface_t *psurf, void *pdest);
189:
190:
191: // !!! if this is changed, it must be changed in d_ifacea.h too !!!
192: #define TURB_TEX_SIZE 64 // base turbulent texture size
193:
194: // !!! if this is changed, it must be changed in d_ifacea.h too !!!
195: #define CYCLE 128 // turbulent cycle size
196:
197: #define TILE_SIZE 128 // size of textures generated by R_GenTiledSurf
198:
199: #define SKYSHIFT 7
200: #define SKYSIZE (1 << SKYSHIFT)
201: #define SKYMASK (SKYSIZE - 1)
202:
203: extern float skyspeed, skyspeed2;
204: extern float skytime;
205:
206: extern int c_surf;
207: extern vrect_t scr_vrect;
208:
209: extern byte *r_warpbuffer;
210:
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