home *** CD-ROM | disk | FTP | other *** search
- /*
- 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.
-
- */
- // disable data conversion warnings
-
- #pragma warning(disable : 4244) // MIPS
- #pragma warning(disable : 4136) // X86
- #pragma warning(disable : 4051) // ALPHA
-
- #ifdef _WIN32
- #include <windows.h>
- #endif
-
- #include <GL/gl.h>
- #include <GL/glu.h>
-
- void GL_BeginRendering (int *x, int *y, int *width, int *height);
- void GL_EndRendering (void);
-
-
- // Function prototypes for the Texture Object Extension routines
- typedef GLboolean (APIENTRY *ARETEXRESFUNCPTR)(GLsizei, const GLuint *,
- const GLboolean *);
- typedef void (APIENTRY *BINDTEXFUNCPTR)(GLenum, GLuint);
- typedef void (APIENTRY *DELTEXFUNCPTR)(GLsizei, const GLuint *);
- typedef void (APIENTRY *GENTEXFUNCPTR)(GLsizei, GLuint *);
- typedef GLboolean (APIENTRY *ISTEXFUNCPTR)(GLuint);
- typedef void (APIENTRY *PRIORTEXFUNCPTR)(GLsizei, const GLuint *,
- const GLclampf *);
- typedef void (APIENTRY *TEXSUBIMAGEPTR)(int, int, int, int, int, int, int, int, void *);
-
- extern BINDTEXFUNCPTR bindTexFunc;
- extern DELTEXFUNCPTR delTexFunc;
- extern TEXSUBIMAGEPTR TexSubImage2DFunc;
-
- extern int texture_extension_number;
- extern int texture_mode;
-
- extern float gldepthmin, gldepthmax;
-
- void GL_Upload32 (unsigned *data, int width, int height, qboolean mipmap, qboolean alpha);
- void GL_Upload8 (byte *data, int width, int height, qboolean mipmap, qboolean alpha);
- void GL_Upload8_EXT (byte *data, int width, int height, qboolean mipmap, qboolean alpha);
- int GL_LoadTexture (char *identifier, int width, int height, byte *data, qboolean mipmap, qboolean alpha);
- int GL_FindTexture (char *identifier);
-
- typedef struct
- {
- float x, y, z;
- float s, t;
- float r, g, b;
- } glvert_t;
-
- extern glvert_t glv;
-
- extern int glx, gly, glwidth, glheight;
-
- #ifdef _WIN32
- extern PROC glArrayElementEXT;
- extern PROC glColorPointerEXT;
- extern PROC glTexturePointerEXT;
- extern PROC glVertexPointerEXT;
- #endif
-
- // r_local.h -- private refresh defs
-
- #define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
- // normalizing factor so player model works out to about
- // 1 pixel per triangle
- #define MAX_LBM_HEIGHT 480
-
- #define TILE_SIZE 128 // size of textures generated by R_GenTiledSurf
-
- #define SKYSHIFT 7
- #define SKYSIZE (1 << SKYSHIFT)
- #define SKYMASK (SKYSIZE - 1)
-
- #define BACKFACE_EPSILON 0.01
-
-
- void R_TimeRefresh_f (void);
- void R_ReadPointFile_f (void);
- texture_t *R_TextureAnimation (texture_t *base);
-
- 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;
-
-
- 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;
-
-
- 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;
-
-
- //====================================================
-
-
- extern entity_t r_worldentity;
- extern qboolean r_cache_thrash; // compatability
- extern vec3_t modelorg, r_entorigin;
- extern entity_t *currententity;
- extern int r_visframecount; // ??? what difs?
- extern int r_framecount;
- extern mplane_t frustum[4];
- extern int c_brush_polys, c_alias_polys;
-
-
- //
- // view origin
- //
- extern vec3_t vup;
- extern vec3_t vpn;
- extern vec3_t vright;
- extern vec3_t r_origin;
-
- //
- // screen size info
- //
- extern refdef_t r_refdef;
- extern mleaf_t *r_viewleaf, *r_oldviewleaf;
- extern texture_t *r_notexture_mip;
- extern int d_lightstylevalue[256]; // 8.8 fraction of base light value
-
- extern qboolean envmap;
- extern int currenttexture;
- extern int cnttextures[2];
- extern int particletexture;
- extern int netgraphtexture; // netgraph texture
- extern int playertextures;
-
- extern int skytexturenum; // index in cl.loadmodel, not gl texture object
-
- extern cvar_t r_norefresh;
- extern cvar_t r_drawentities;
- extern cvar_t r_drawworld;
- extern cvar_t r_drawviewmodel;
- extern cvar_t r_speeds;
- extern cvar_t r_waterwarp;
- extern cvar_t r_fullbright;
- extern cvar_t r_lightmap;
- extern cvar_t r_shadows;
- extern cvar_t r_mirroralpha;
- extern cvar_t r_wateralpha;
- extern cvar_t r_dynamic;
- extern cvar_t r_novis;
- extern cvar_t r_netgraph;
-
- extern cvar_t gl_clear;
- extern cvar_t gl_cull;
- extern cvar_t gl_poly;
- extern cvar_t gl_texsort;
- extern cvar_t gl_smoothmodels;
- extern cvar_t gl_affinemodels;
- extern cvar_t gl_polyblend;
- extern cvar_t gl_keeptjunctions;
- extern cvar_t gl_reporttjunctions;
- extern cvar_t gl_flashblend;
- extern cvar_t gl_nocolors;
- extern cvar_t gl_finish;
-
- extern int gl_lightmap_format;
- extern int gl_solid_format;
- extern int gl_alpha_format;
-
- extern cvar_t gl_max_size;
- extern cvar_t gl_playermip;
-
- extern int mirrortexturenum; // quake texturenum, not gltexturenum
- extern qboolean mirror;
- extern mplane_t *mirror_plane;
-
- extern float r_world_matrix[16];
-
- extern const char *gl_vendor;
- extern const char *gl_renderer;
- extern const char *gl_version;
- extern const char *gl_extensions;
-
- void R_TranslatePlayerSkin (int playernum);
- void GL_Bind (int texnum);
-
- // Multitexture
- #define TEXTURE0_SGIS 0x835E
- #define TEXTURE1_SGIS 0x835F
-
- #ifdef _WIN32
- typedef void (APIENTRY *lpMTexFUNC) (GLenum, GLfloat, GLfloat);
- typedef void (APIENTRY *lpSelTexFUNC) (GLenum);
- extern lpMTexFUNC qglMTexCoord2fSGIS;
- extern lpSelTexFUNC qglSelectTextureSGIS;
- #endif
-
- extern qboolean gl_mtexable;
-
- void GL_DisableMultitexture(void);
- void GL_EnableMultitexture(void);
-
- //
- // gl_warp.c
- //
- void GL_SubdivideSurface (msurface_t *fa);
- void EmitBothSkyLayers (msurface_t *fa);
- void EmitWaterPolys (msurface_t *fa);
- void EmitSkyPolys (msurface_t *fa);
- void R_DrawSkyChain (msurface_t *s);
-
- //
- // gl_draw.c
- //
- int GL_LoadPicTexture (qpic_t *pic);
- void GL_Set2D (void);
-
- //
- // gl_rmain.c
- //
- qboolean R_CullBox (vec3_t mins, vec3_t maxs);
- void R_RotateForEntity (entity_t *e);
-
- //
- // gl_rlight.c
- //
- void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
- void R_AnimateLight (void);
- void R_RenderDlights (void);
- int R_LightPoint (vec3_t p);
-
- //
- // gl_refrag.c
- //
- void R_StoreEfrags (efrag_t **ppefrag);
-
- //
- // gl_mesh.c
- //
- void GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr);
-
- //
- // gl_rsurf.c
- //
- void R_DrawBrushModel (entity_t *e);
- void R_DrawWorld (void);
- void GL_BuildLightmaps (void);
-
- //
- // gl_ngraph.c
- //
- void R_NetGraph (void);
-
-