mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-27 00:39:41 +03:00
230 lines
6.4 KiB
C
230 lines
6.4 KiB
C
/*
|
|
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;
|
|
|