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358 lines
9.3 KiB
358 lines
9.3 KiB
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// disable data conversion warnings
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#pragma warning(disable : 4244) // MIPS
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#pragma warning(disable : 4136) // X86
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#pragma warning(disable : 4051) // ALPHA
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#ifdef _WIN32
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#include <windows.h>
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#endif
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include "glext.h" // jkrige - opengl extensions
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#include "wglext.h" // jkrige - windows opengl extensions
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void GL_BeginRendering (int *x, int *y, int *width, int *height);
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void GL_EndRendering (void);
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#ifdef _WIN32
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// Function prototypes for the Texture Object Extension routines
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typedef GLboolean (APIENTRY *ARETEXRESFUNCPTR)(GLsizei, const GLuint *,
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const GLboolean *);
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typedef void (APIENTRY *BINDTEXFUNCPTR)(GLenum, GLuint);
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typedef void (APIENTRY *DELTEXFUNCPTR)(GLsizei, const GLuint *);
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typedef void (APIENTRY *GENTEXFUNCPTR)(GLsizei, GLuint *);
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typedef GLboolean (APIENTRY *ISTEXFUNCPTR)(GLuint);
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typedef void (APIENTRY *PRIORTEXFUNCPTR)(GLsizei, const GLuint *,
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const GLclampf *);
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typedef void (APIENTRY *TEXSUBIMAGEPTR)(int, int, int, int, int, int, int, int, void *);
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extern BINDTEXFUNCPTR bindTexFunc;
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extern DELTEXFUNCPTR delTexFunc;
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extern TEXSUBIMAGEPTR TexSubImage2DFunc;
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#endif
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// jkrige - moved to glquake.h
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typedef struct
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{
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int texnum;
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qboolean tex_luma; // jkrige - luma textures
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qboolean tex_luma8bit; // jkrige - fullbright pixels
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char identifier[64];
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int width, height;
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qboolean mipmap;
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int lhcsum; // jkrige - memleak & texture mismatch
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} gltexture_t;
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//#define MAX_GLTEXTURES 2048
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#define MAX_GLTEXTURES 4096 // jkrige - increased maximum number of opengl textures
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// jkrige - moved to glquake.h
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extern gltexture_t gltextures[MAX_GLTEXTURES];
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extern int numgltextures;
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// jkrige - luma textures
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#define JK_LUMA_TEX (MAX_GLTEXTURES)
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// jkrige - luma textures
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extern int texture_extension_number;
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extern int texture_mode;
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extern float gldepthmin, gldepthmax;
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// jkrige - gamma
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extern BOOL ( WINAPI * qwglGetDeviceGammaRamp3DFX)( HDC, LPVOID );
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extern BOOL ( WINAPI * qwglSetDeviceGammaRamp3DFX)( HDC, LPVOID );
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// jkrige - gamma
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// jkrige - anisotropic filtering
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extern qboolean anisotropic_ext;
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extern float maximumAnisotrophy;
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// jkrige - anisotropic filtering
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// jkrige - non power of two
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extern qboolean npow2_ext;
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// jkrige - non power of two
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void GL_Upload32 (unsigned *data, int width, int height, qboolean mipmap, qboolean alpha);
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void GL_Upload8 (byte *data, int width, int height, qboolean mipmap, qboolean alpha);
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// jkrige - bytesperpixel
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//int GL_LoadTexture (char *identifier, int width, int height, byte *data, qboolean mipmap, qboolean alpha);
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int GL_LoadTexture (char *identifier, char *textype, int width, int height, byte *data, int mipmap, int alpha, int bytesperpixel);
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// jkrige - bytesperpixel
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int GL_FindTexture (char *identifier);
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// jkrige - .lit colored lights
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void GL_SetupLightmapFmt (qboolean check_cmdline);
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// jkrige - .lit colored lights
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typedef struct
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{
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float x, y, z;
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float s, t;
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float r, g, b;
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} glvert_t;
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extern glvert_t glv;
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extern int glx, gly, glwidth, glheight;
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// jkrige - opengl extensions
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//#ifdef _WIN32
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//extern PROC glArrayElementEXT;
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//extern PROC glColorPointerEXT;
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//extern PROC glTexturePointerEXT;
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//extern PROC glVertexPointerEXT;
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//#endif
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// jkrige - opengl extensions
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// r_local.h -- private refresh defs
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#define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
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// normalizing factor so player model works out to about
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// 1 pixel per triangle
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#define MAX_LBM_HEIGHT 480
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#define TILE_SIZE 128 // size of textures generated by R_GenTiledSurf
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#define SKYSHIFT 7
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#define SKYSIZE (1 << SKYSHIFT)
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#define SKYMASK (SKYSIZE - 1)
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#define BACKFACE_EPSILON 0.01
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void R_TimeRefresh_f (void);
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void R_ReadPointFile_f (void);
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texture_t *R_TextureAnimation (texture_t *base);
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typedef struct surfcache_s
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{
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struct surfcache_s *next;
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struct surfcache_s **owner; // NULL is an empty chunk of memory
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int lightadj[MAXLIGHTMAPS]; // checked for strobe flush
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int dlight;
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int size; // including header
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unsigned width;
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unsigned height; // DEBUG only needed for debug
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float mipscale;
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struct texture_s *texture; // checked for animating textures
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byte data[4]; // width*height elements
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} surfcache_t;
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typedef struct
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{
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pixel_t *surfdat; // destination for generated surface
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int rowbytes; // destination logical width in bytes
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msurface_t *surf; // description for surface to generate
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fixed8_t lightadj[MAXLIGHTMAPS];
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// adjust for lightmap levels for dynamic lighting
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texture_t *texture; // corrected for animating textures
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int surfmip; // mipmapped ratio of surface texels / world pixels
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int surfwidth; // in mipmapped texels
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int surfheight; // in mipmapped texels
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} drawsurf_t;
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typedef enum {
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pt_static, pt_grav, pt_slowgrav, pt_fire, pt_explode, pt_explode2, pt_blob, pt_blob2
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} ptype_t;
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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typedef struct particle_s
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{
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// driver-usable fields
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vec3_t org;
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float color;
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// drivers never touch the following fields
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struct particle_s *next;
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vec3_t vel;
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float ramp;
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float die;
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ptype_t type;
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} particle_t;
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//====================================================
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extern entity_t r_worldentity;
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extern qboolean r_cache_thrash; // compatability
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extern vec3_t modelorg, r_entorigin;
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extern entity_t *currententity;
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extern int r_visframecount; // ??? what difs?
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extern int r_framecount;
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extern mplane_t frustum[4];
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extern int c_brush_polys, c_alias_polys;
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//
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// view origin
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//
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extern vec3_t vup;
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extern vec3_t vpn;
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extern vec3_t vright;
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extern vec3_t r_origin;
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//
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// screen size info
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//
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extern refdef_t r_refdef;
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extern mleaf_t *r_viewleaf, *r_oldviewleaf;
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extern texture_t *r_notexture_mip;
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extern int d_lightstylevalue[256]; // 8.8 fraction of base light value
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extern qboolean envmap;
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extern int currenttexture;
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extern int cnttextures[2];
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// jkrige - texture mode
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extern int particletexture_linear;
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extern int particletexture_point;
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// jkrige - texture mode
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extern int playertextures;
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extern int skytexturenum; // index in cl.loadmodel, not gl texture object
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extern cvar_t r_norefresh;
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extern cvar_t r_drawentities;
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extern cvar_t r_drawworld;
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extern cvar_t r_drawviewmodel;
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extern cvar_t r_speeds;
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extern cvar_t r_waterwarp;
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extern cvar_t r_fullbright;
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extern cvar_t r_lightmap;
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//extern cvar_t r_shadows; // jkrige - removed alias shadows
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extern cvar_t r_mirroralpha;
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extern cvar_t r_wateralpha;
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extern cvar_t r_dynamic;
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extern cvar_t r_novis;
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// jkrige - fix dynamic light shine through
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extern cvar_t r_dynamic_sidemark;
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// jkrige - fix dynamic light shine through
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extern cvar_t gl_clear;
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extern cvar_t gl_cull;
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extern cvar_t gl_poly;
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extern cvar_t gl_texsort;
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extern cvar_t gl_smoothmodels;
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extern cvar_t gl_affinemodels;
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extern cvar_t gl_polyblend;
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// jkrige - disabled tjunction removal
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//extern cvar_t gl_keeptjunctions;
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//extern cvar_t gl_reporttjunctions;
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// jkrige - disabled tjunction removal
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// jkrige - flashblend removal
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//extern cvar_t gl_flashblend;
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// jkrige - flashblend removal
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extern cvar_t gl_nocolors;
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extern cvar_t gl_skytype; // jkrige - skybox
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extern cvar_t gl_doubleeyes;
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// jkrige - .lit colored lights
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extern int gl_coloredstatic;
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// jkrige - .lit colored lights
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extern int gl_lightmap_format;
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extern int gl_solid_format;
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extern int gl_alpha_format;
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extern cvar_t gl_max_size;
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extern cvar_t gl_playermip;
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// jkrige - texture mode
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extern cvar_t gl_texturemode;
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// jkrige - texture mode
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// jkrige - wireframe
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extern cvar_t gl_wireframe;
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// jkrige - wireframe
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// jkrige - .lit colored lights
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extern cvar_t gl_coloredlight;
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extern cvar_t gl_lightmapfmt;
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// jkrige - .lit colored lights
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// jkrige - luma textures
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extern cvar_t gl_lumatex_render;
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// jkrige - luma textures
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extern int mirrortexturenum; // quake texturenum, not gltexturenum
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extern qboolean mirror;
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extern mplane_t *mirror_plane;
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extern float r_world_matrix[16];
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extern const char *gl_vendor;
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extern const char *gl_renderer;
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extern const char *gl_version;
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extern const char *gl_extensions;
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void R_TranslatePlayerSkin (int playernum);
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void GL_Bind (int texnum);
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// Multitexture
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// jkrige - remove multitexture
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//#define TEXTURE0_SGIS 0x835E
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//#define TEXTURE1_SGIS 0x835F
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// jkrige - remove multitexture
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#ifndef _WIN32
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#define APIENTRY /* */
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#endif
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// jkrige - overbrights
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extern cvar_t gl_overbright;
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// jkrige - overbrights
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// jkrige - remove multitexture
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/*typedef void (APIENTRY *lpMTexFUNC) (GLenum, GLfloat, GLfloat);
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typedef void (APIENTRY *lpSelTexFUNC) (GLenum);
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extern lpMTexFUNC qglMTexCoord2fSGIS;
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extern lpSelTexFUNC qglSelectTextureSGIS;
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extern qboolean gl_mtexable;
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void GL_DisableMultitexture(void);
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void GL_EnableMultitexture(void);*/
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// jkrige - remove multitexture
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