252 lines
6.8 KiB
C
252 lines
6.8 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.
|
||
|
|
|
||
|
|
*/
|
||
|
|
// 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);
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef _WIN32
|
||
|
|
// 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;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
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);
|
||
|
|
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 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 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_doubleeyes;
|
||
|
|
|
||
|
|
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
|
||
|
|
|
||
|
|
#ifndef _WIN32
|
||
|
|
#define APIENTRY /* */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef void (APIENTRY *lpMTexFUNC) (GLenum, GLfloat, GLfloat);
|
||
|
|
typedef void (APIENTRY *lpSelTexFUNC) (GLenum);
|
||
|
|
extern lpMTexFUNC qglMTexCoord2fSGIS;
|
||
|
|
extern lpSelTexFUNC qglSelectTextureSGIS;
|
||
|
|
|
||
|
|
extern qboolean gl_mtexable;
|
||
|
|
|
||
|
|
void GL_DisableMultitexture(void);
|
||
|
|
void GL_EnableMultitexture(void);
|