/* glquake.h OpenGL-specific definitions and prototypes 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: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA $Id$ */ #ifndef __glquake_h #define __glquake_h #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_WINDOWS_H # include #endif #include #include "QF/model.h" #include "QF/wad.h" #include "qfgl_ext.h" void GL_BeginRendering (int *x, int *y, int *width, int *height); void GL_EndRendering (void); extern int texture_extension_number; extern int texture_mode; extern float gldepthmin, gldepthmax; 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 bytesperpixel); int GL_FindTexture (char *identifier); extern int glx, gly, glwidth, glheight; #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 MAX_GLTEXTURES 2048 #define TILE_SIZE 128 // size of textures generated by R_GenTiledSurf #define SKYSHIFT 7 #define SKYSIZE (1 << SKYSHIFT) #define SKYMASK (SKYSIZE - 1) #define SKY_TEX 2000 // Quake 2 environment sky #define BACKFACE_EPSILON 0.01 #define NUM_GRAPH_TEXTURES 8 extern qboolean envmap; extern int currenttexture; extern int cnttextures[2]; extern int particletexture; extern int graph_texture[NUM_GRAPH_TEXTURES]; extern int netgraphtexture; // netgraph texture extern int skytexturenum; // index in cl.loadmodel, not gl texture object extern struct cvar_s *r_novis; extern struct cvar_s *r_particles; extern struct cvar_s *r_norefresh; extern struct cvar_s *r_drawviewmodel; extern struct cvar_s *r_shadows; extern struct cvar_s *r_wateralpha; extern struct cvar_s *r_waterripple; extern struct cvar_s *r_dynamic; extern struct cvar_s *r_netgraph; extern struct cvar_s *r_lightmap; extern struct cvar_s *r_mirroralpha; extern struct cvar_s *gl_affinemodels; extern struct cvar_s *gl_clear; extern struct cvar_s *gl_cull; extern struct cvar_s *gl_poly; extern struct cvar_s *gl_texsort; extern struct cvar_s *gl_smoothmodels; extern struct cvar_s *gl_affinemodels; extern struct cvar_s *gl_polyblend; extern struct cvar_s *gl_fb_bmodels; extern struct cvar_s *gl_fb_models; extern struct cvar_s *gl_dlight_lightmap; extern struct cvar_s *gl_dlight_polyblend; extern struct cvar_s *gl_dlight_smooth; extern struct cvar_s *gl_keeptjunctions; extern struct cvar_s *gl_reporttjunctions; extern struct cvar_s *gl_flashblend; extern struct cvar_s *gl_multitexture; extern struct cvar_s *gl_nocolors; extern struct cvar_s *gl_doubleeyes; extern struct cvar_s *gl_ztrick; extern struct cvar_s *gl_finish; extern struct cvar_s *gl_clear; extern struct cvar_s *gl_subdivide_size; extern struct cvar_s *gl_particles; extern struct cvar_s *gl_fires; extern struct cvar_s *gl_fb_models; extern struct cvar_s *gl_fb_bmodels; extern struct cvar_s *gl_poly; extern struct cvar_s *gl_polyblend; extern struct cvar_s *gl_max_size; extern struct cvar_s *gl_playermip; extern struct cvar_s *r_skyname; extern struct cvar_s *gl_skymultipass; extern struct cvar_s *gl_sky_clip; extern struct cvar_s *gl_sky_divide; extern int mirrortexturenum; // quake texturenum, not gltexturenum extern qboolean mirror; extern mplane_t *mirror_plane; extern int gl_lightmap_format; extern int gl_solid_format; extern int gl_alpha_format; extern unsigned char lighthalf_v[3]; extern const char *gl_vendor; extern const char *gl_renderer; extern const char *gl_version; extern const char *gl_extensions; void GL_Bind (int texnum); // Multitexture #define TEXTURE0_SGIS 0x835E #define TEXTURE1_SGIS 0x835F #ifndef APIENTRY # ifndef _WIN32 # define APIENTRY /* */ # endif #endif typedef void (APIENTRY *lpMTexFUNC) (GLenum, GLfloat, GLfloat); typedef void (APIENTRY *lpSelTexFUNC) (GLenum); extern lpMTexFUNC qglMTexCoord2fSGIS; extern lpSelTexFUNC qglSelectTextureSGIS; extern lpMTexFUNC qglMTexCoord2f; extern lpSelTexFUNC qglSelectTexture; extern qboolean gl_mtexable; void GL_SubdivideSurface (msurface_t *fa); // Multitexturing extern QF_glActiveTextureARB qglActiveTexture; extern QF_glMultiTexCoord2fARB qglMultiTexCoord2f; extern qboolean gl_mtex_capable; extern GLenum gl_mtex_enum; // convenience check #define gl_mtex_active (gl_mtex_capable && gl_multitexture->int_val) void GL_DisableMultitexture (void); void GL_EnableMultitexture (void); struct model_s; void GL_BuildLightmaps (struct model_s **models, int num_models); void GL_Upload8_EXT (byte *data, int width, int height, qboolean mipmap, qboolean alpha) ; void GL_Set2D (void); void GL_CheckGamma (unsigned char *pal); void GL_CheckBrightness (unsigned char *pal); typedef struct { int key; // allows reusability vec3_t origin, owner; float size; float die, decay; // duration settings float minlight; // lighting threshold float color[3]; // RGB } fire_t; struct entity_s; void R_AddFire (vec3_t, vec3_t, struct entity_s *ent); fire_t *R_AllocFire (int); void R_DrawFire (fire_t *); void R_UpdateFires (void); void R_DrawBrushModel (struct entity_s *e); void R_DrawWorld (void); void R_RenderDlights (void); void R_DrawSky (void); void R_DrawSkyChain (msurface_t *s); void EmitWaterPolys (msurface_t *fa); void R_RotateForEntity (struct entity_s *e); void EmitWaterPolys (msurface_t *fa); void R_NetGraph (void); void R_LoadSkys (const char *sky); extern float bubble_sintable[], bubble_costable[]; extern float v_blend[4]; void AddLightBlend (float, float, float, float); extern int c_brush_polys, c_alias_polys; extern float r_world_matrix[16]; int R_InitGraphTextures (int base); #endif // __glquake_h