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.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+
+#ifndef GLQUAKE_H
+#define GLQUAKE_H
+
// disable data conversion warnings
-#pragma warning(disable : 4244) // MIPS
-#pragma warning(disable : 4136) // X86
-#pragma warning(disable : 4051) // ALPHA
+#ifdef _MSC_VER
+#pragma warning(disable : 4244) // LordHavoc: MSVC++ 4 x86, double/float
#pragma warning(disable : 4305) // LordHavoc: MSVC++ 6 x86, double/float
-#pragma warning(disable : 4018) // LordHavoc: MSVC++ 4, signed/unsigned mismatch
-
-#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;
+// wgl uses APIENTRY
+#ifndef APIENTRY
+#define APIENTRY
#endif
-extern int texture_extension_number;
-
-extern float gldepthmin, gldepthmax;
-
-void GL_Upload32 (void *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 bytesperpixel);
-int GL_FindTexture (char *identifier);
-
-typedef struct
-{
- float x, y, z;
- float s, t;
- float r, g, b;
-} glvert_t;
+// for platforms (wgl) that do not use GLAPIENTRY
+#ifndef GLAPIENTRY
+#define GLAPIENTRY APIENTRY
+#endif
-extern glvert_t glv;
+#ifndef GL_PROJECTION
+typedef unsigned int GLenum;
+typedef unsigned char GLboolean;
+typedef unsigned int GLbitfield;
+typedef void GLvoid;
+// 1-byte signed
+typedef signed char GLbyte;
+// 2-byte signed
+typedef short GLshort;
+// 4-byte signed
+typedef int GLint;
+// 1-byte unsigned
+typedef unsigned char GLubyte;
+// 2-byte unsigned
+typedef unsigned short GLushort;
+// 4-byte unsigned
+typedef unsigned int GLuint;
+// 4-byte signed
+typedef int GLsizei;
+// single precision float
+typedef float GLfloat;
+// single precision float in [0,1]
+typedef float GLclampf;
+// double precision float
+typedef double GLdouble;
+// double precision float in [0,1]
+typedef double GLclampd;
+// int whose size is the same as a pointer (?)
+typedef size_t GLintptrARB;
+// int whose size is the same as a pointer (?)
+typedef size_t GLsizeiptrARB;
+
+#define GL_MODELVIEW 0x1700
+#define GL_PROJECTION 0x1701
+#define GL_TEXTURE 0x1702
+#define GL_MATRIX_MODE 0x0BA0
+#define GL_MODELVIEW_MATRIX 0x0BA6
+#define GL_PROJECTION_MATRIX 0x0BA7
+#define GL_TEXTURE_MATRIX 0x0BA8
+
+#define GL_DONT_CARE 0x1100
+#define GL_FASTEST 0x1101
+#define GL_NICEST 0x1102
+
+#define GL_DEPTH_TEST 0x0B71
+
+#define GL_CULL_FACE 0x0B44
+
+#define GL_BLEND 0x0BE2
+#define GL_ALPHA_TEST 0x0BC0
+
+#define GL_ZERO 0x0
+#define GL_ONE 0x1
+#define GL_SRC_COLOR 0x0300
+#define GL_ONE_MINUS_SRC_COLOR 0x0301
+#define GL_DST_COLOR 0x0306
+#define GL_ONE_MINUS_DST_COLOR 0x0307
+#define GL_SRC_ALPHA 0x0302
+#define GL_ONE_MINUS_SRC_ALPHA 0x0303
+#define GL_DST_ALPHA 0x0304
+#define GL_ONE_MINUS_DST_ALPHA 0x0305
+#define GL_SRC_ALPHA_SATURATE 0x0308
+#define GL_CONSTANT_COLOR 0x8001
+#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
+#define GL_CONSTANT_ALPHA 0x8003
+#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
+
+#define GL_TEXTURE_ENV 0x2300
+#define GL_TEXTURE_ENV_MODE 0x2200
+#define GL_TEXTURE_1D 0x0DE0
+#define GL_TEXTURE_2D 0x0DE1
+#define GL_TEXTURE_WRAP_S 0x2802
+#define GL_TEXTURE_WRAP_T 0x2803
+#define GL_TEXTURE_WRAP_R 0x8072
+#define GL_TEXTURE_BORDER_COLOR 0x1004
+#define GL_TEXTURE_MAG_FILTER 0x2800
+#define GL_TEXTURE_MIN_FILTER 0x2801
+#define GL_PACK_ALIGNMENT 0x0D05
+#define GL_UNPACK_ALIGNMENT 0x0CF5
+#define GL_TEXTURE_BINDING_1D 0x8068
+#define GL_TEXTURE_BINDING_2D 0x8069
+
+#define GL_NEAREST 0x2600
+#define GL_LINEAR 0x2601
+#define GL_NEAREST_MIPMAP_NEAREST 0x2700
+#define GL_NEAREST_MIPMAP_LINEAR 0x2702
+#define GL_LINEAR_MIPMAP_NEAREST 0x2701
+#define GL_LINEAR_MIPMAP_LINEAR 0x2703
+
+#define GL_LINE 0x1B01
+#define GL_FILL 0x1B02
+
+extern int gl_support_anisotropy;
+extern int gl_max_anisotropy;
+#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
+#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
+
+#define GL_ADD 0x0104
+#define GL_DECAL 0x2101
+#define GL_MODULATE 0x2100
+
+#define GL_REPEAT 0x2901
+#define GL_CLAMP 0x2900
+
+#define GL_POINTS 0x0000
+#define GL_LINES 0x0001
+#define GL_LINE_LOOP 0x0002
+#define GL_LINE_STRIP 0x0003
+#define GL_TRIANGLES 0x0004
+#define GL_TRIANGLE_STRIP 0x0005
+#define GL_TRIANGLE_FAN 0x0006
+#define GL_QUADS 0x0007
+#define GL_QUAD_STRIP 0x0008
+#define GL_POLYGON 0x0009
+
+#define GL_FALSE 0x0
+#define GL_TRUE 0x1
+
+#define GL_BYTE 0x1400
+#define GL_UNSIGNED_BYTE 0x1401
+#define GL_SHORT 0x1402
+#define GL_UNSIGNED_SHORT 0x1403
+#define GL_INT 0x1404
+#define GL_UNSIGNED_INT 0x1405
+#define GL_FLOAT 0x1406
+#define GL_DOUBLE 0x140A
+#define GL_2_BYTES 0x1407
+#define GL_3_BYTES 0x1408
+#define GL_4_BYTES 0x1409
+
+#define GL_VERTEX_ARRAY 0x8074
+#define GL_NORMAL_ARRAY 0x8075
+#define GL_COLOR_ARRAY 0x8076
+//#define GL_INDEX_ARRAY 0x8077
+#define GL_TEXTURE_COORD_ARRAY 0x8078
+//#define GL_EDGE_FLAG_ARRAY 0x8079
+
+#define GL_NONE 0
+#define GL_FRONT_LEFT 0x0400
+#define GL_FRONT_RIGHT 0x0401
+#define GL_BACK_LEFT 0x0402
+#define GL_BACK_RIGHT 0x0403
+#define GL_FRONT 0x0404
+#define GL_BACK 0x0405
+#define GL_LEFT 0x0406
+#define GL_RIGHT 0x0407
+#define GL_FRONT_AND_BACK 0x0408
+#define GL_AUX0 0x0409
+#define GL_AUX1 0x040A
+#define GL_AUX2 0x040B
+#define GL_AUX3 0x040C
+
+#define GL_VENDOR 0x1F00
+#define GL_RENDERER 0x1F01
+#define GL_VERSION 0x1F02
+#define GL_EXTENSIONS 0x1F03
+
+#define GL_NO_ERROR 0x0
+#define GL_INVALID_VALUE 0x0501
+#define GL_INVALID_ENUM 0x0500
+#define GL_INVALID_OPERATION 0x0502
+#define GL_STACK_OVERFLOW 0x0503
+#define GL_STACK_UNDERFLOW 0x0504
+#define GL_OUT_OF_MEMORY 0x0505
+
+#define GL_DITHER 0x0BD0
+#define GL_RGB 0x1907
+#define GL_RGBA 0x1908
+
+#define GL_MAX_TEXTURE_SIZE 0x0D33
+
+#define GL_NEVER 0x0200
+#define GL_LESS 0x0201
+#define GL_EQUAL 0x0202
+#define GL_LEQUAL 0x0203
+#define GL_GREATER 0x0204
+#define GL_NOTEQUAL 0x0205
+#define GL_GEQUAL 0x0206
+#define GL_ALWAYS 0x0207
+#define GL_DEPTH_TEST 0x0B71
+
+#define GL_RED_SCALE 0x0D14
+#define GL_GREEN_SCALE 0x0D18
+#define GL_BLUE_SCALE 0x0D1A
+#define GL_ALPHA_SCALE 0x0D1C
+
+#define GL_DEPTH_BUFFER_BIT 0x00000100
+#define GL_ACCUM_BUFFER_BIT 0x00000200
+#define GL_STENCIL_BUFFER_BIT 0x00000400
+#define GL_COLOR_BUFFER_BIT 0x00004000
+
+#define GL_STENCIL_TEST 0x0B90
+#define GL_KEEP 0x1E00
+#define GL_REPLACE 0x1E01
+#define GL_INCR 0x1E02
+#define GL_DECR 0x1E03
+
+#define GL_POLYGON_OFFSET_FACTOR 0x8038
+#define GL_POLYGON_OFFSET_UNITS 0x2A00
+#define GL_POLYGON_OFFSET_POINT 0x2A01
+#define GL_POLYGON_OFFSET_LINE 0x2A02
+#define GL_POLYGON_OFFSET_FILL 0x8037
+
+#define GL_POINT_SMOOTH 0x0B10
+#define GL_LINE_SMOOTH 0x0B20
+#define GL_POLYGON_SMOOTH 0x0B41
+
+#define GL_POLYGON_STIPPLE 0x0B42
+
+#define GL_CLIP_PLANE0 0x3000
+#define GL_CLIP_PLANE1 0x3001
+#define GL_CLIP_PLANE2 0x3002
+#define GL_CLIP_PLANE3 0x3003
+#define GL_CLIP_PLANE4 0x3004
+#define GL_CLIP_PLANE5 0x3005
-extern int glx, gly, glwidth, glheight;
+#endif
-#ifdef _WIN32
-extern PROC glArrayElementEXT;
-extern PROC glColorPointerEXT;
-extern PROC glTexturePointerEXT;
-extern PROC glVertexPointerEXT;
+extern int gl_max_texture_size;
+
+// GL_ARB_multitexture
+extern int gl_textureunits;
+extern void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
+extern void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
+extern void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
+extern void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
+extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
+extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
+#ifndef GL_ACTIVE_TEXTURE_ARB
+#define GL_ACTIVE_TEXTURE_ARB 0x84E0
+#define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
+#define GL_MAX_TEXTURE_UNITS_ARB 0x84E2
+#define GL_TEXTURE0_ARB 0x84C0
+#define GL_TEXTURE1_ARB 0x84C1
+#define GL_TEXTURE2_ARB 0x84C2
+#define GL_TEXTURE3_ARB 0x84C3
+#define GL_TEXTURE4_ARB 0x84C4
+#define GL_TEXTURE5_ARB 0x84C5
+#define GL_TEXTURE6_ARB 0x84C6
+#define GL_TEXTURE7_ARB 0x84C7
+#define GL_TEXTURE8_ARB 0x84C8
+#define GL_TEXTURE9_ARB 0x84C9
+#define GL_TEXTURE10_ARB 0x84CA
+#define GL_TEXTURE11_ARB 0x84CB
+#define GL_TEXTURE12_ARB 0x84CC
+#define GL_TEXTURE13_ARB 0x84CD
+#define GL_TEXTURE14_ARB 0x84CE
+#define GL_TEXTURE15_ARB 0x84CF
+#define GL_TEXTURE16_ARB 0x84D0
+#define GL_TEXTURE17_ARB 0x84D1
+#define GL_TEXTURE18_ARB 0x84D2
+#define GL_TEXTURE19_ARB 0x84D3
+#define GL_TEXTURE20_ARB 0x84D4
+#define GL_TEXTURE21_ARB 0x84D5
+#define GL_TEXTURE22_ARB 0x84D6
+#define GL_TEXTURE23_ARB 0x84D7
+#define GL_TEXTURE24_ARB 0x84D8
+#define GL_TEXTURE25_ARB 0x84D9
+#define GL_TEXTURE26_ARB 0x84DA
+#define GL_TEXTURE27_ARB 0x84DB
+#define GL_TEXTURE28_ARB 0x84DC
+#define GL_TEXTURE29_ARB 0x84DD
+#define GL_TEXTURE30_ARB 0x84DE
+#define GL_TEXTURE31_ARB 0x84DF
#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 BACKFACE_EPSILON 0.01
-
-
-void R_TimeRefresh_f (void);
-void R_ReadPointFile_f (void);
-
-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
- 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;
-
-// LordHavoc: added dust, smoke, snow, bloodcloud, and many others
-typedef enum {
- pt_static, pt_grav, pt_slowgrav, pt_fire, pt_explode, pt_explode2, pt_blob, pt_blob2, pt_dust, pt_smoke, pt_snow, pt_bulletpuff, pt_bloodcloud, pt_fadespark, pt_fadespark2, pt_fallfadespark, pt_fallfadespark2, pt_bubble
-} 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;
- // LordHavoc: added for improved particle effects
- float scale;
- short texnum;
- short contents; // if non-zero, particles will die outside of this content type
- float alpha; // 0-255
- float time2; // used for various things (snow fluttering, for example)
- vec3_t vel2; // used for snow fluttering (base velocity, wind for instance)
-} particle_t;
+// GL_EXT_compiled_vertex_array
+extern int gl_supportslockarrays;
+extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
+extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
+
+// GL_ARB_texture_env_combine
+extern int gl_combine_extension;
+#ifndef GL_COMBINE_ARB
+#define GL_COMBINE_ARB 0x8570
+#define GL_COMBINE_RGB_ARB 0x8571
+#define GL_COMBINE_ALPHA_ARB 0x8572
+#define GL_SOURCE0_RGB_ARB 0x8580
+#define GL_SOURCE1_RGB_ARB 0x8581
+#define GL_SOURCE2_RGB_ARB 0x8582
+#define GL_SOURCE0_ALPHA_ARB 0x8588
+#define GL_SOURCE1_ALPHA_ARB 0x8589
+#define GL_SOURCE2_ALPHA_ARB 0x858A
+#define GL_OPERAND0_RGB_ARB 0x8590
+#define GL_OPERAND1_RGB_ARB 0x8591
+#define GL_OPERAND2_RGB_ARB 0x8592
+#define GL_OPERAND0_ALPHA_ARB 0x8598
+#define GL_OPERAND1_ALPHA_ARB 0x8599
+#define GL_OPERAND2_ALPHA_ARB 0x859A
+#define GL_RGB_SCALE_ARB 0x8573
+#define GL_ADD_SIGNED_ARB 0x8574
+#define GL_INTERPOLATE_ARB 0x8575
+#define GL_SUBTRACT_ARB 0x84E7
+#define GL_CONSTANT_ARB 0x8576
+#define GL_PRIMARY_COLOR_ARB 0x8577
+#define GL_PREVIOUS_ARB 0x8578
+#endif
+#ifndef GL_MAX_ELEMENTS_VERTICES
+#define GL_MAX_ELEMENTS_VERTICES 0x80E8
+#endif
+#ifndef GL_MAX_ELEMENTS_INDICES
+#define GL_MAX_ELEMENTS_INDICES 0x80E9
+#endif
-//====================================================
+extern int gl_texture3d;
+extern int gl_max_3d_texture_size;
+#ifndef GL_TEXTURE_3D
+#define GL_PACK_SKIP_IMAGES 0x806B
+#define GL_PACK_IMAGE_HEIGHT 0x806C
+#define GL_UNPACK_SKIP_IMAGES 0x806D
+#define GL_UNPACK_IMAGE_HEIGHT 0x806E
+#define GL_TEXTURE_3D 0x806F
+#define GL_PROXY_TEXTURE_3D 0x8070
+#define GL_TEXTURE_DEPTH 0x8071
+#define GL_TEXTURE_WRAP_R 0x8072
+#define GL_MAX_3D_TEXTURE_SIZE 0x8073
+#define GL_TEXTURE_BINDING_3D 0x806A
+extern void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+#endif
-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 cnttextures[2];
-// LordHavoc: moved all code relating to particles into r_part.c
-//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_wateralpha;
-//extern cvar_t r_dynamic;
-extern cvar_t r_novis;
-extern cvar_t r_waterripple;
-
-//extern cvar_t gl_cull;
-//extern cvar_t gl_poly;
-//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 cvar_t gl_max_size;
-extern cvar_t gl_playermip;
-
-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);
-
-// Multitexture
-#define TEXTURE0_SGIS 0x835E
-#define TEXTURE1_SGIS 0x835F
-
-#ifndef _WIN32
-#define APIENTRY /* */
+extern int gl_texturecubemap;
+extern int gl_max_cube_map_texture_size;
+#ifndef GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
+#define GL_NORMAL_MAP_ARB 0x8511
+#define GL_REFLECTION_MAP_ARB 0x8512
+#define GL_TEXTURE_CUBE_MAP_ARB 0x8513
+#define GL_TEXTURE_BINDING_CUBE_MAP_ARB 0x8514
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x8515
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x8516
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x8517
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x8518
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x8519
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x851A
+#define GL_PROXY_TEXTURE_CUBE_MAP_ARB 0x851B
+#define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB 0x851C
#endif
-extern qboolean gl_mtexable;
+extern int gl_dot3arb;
+#ifndef GL_DOT3_RGB_ARB
+#define GL_DOT3_RGB_ARB 0x86AE
+#define GL_DOT3_RGBA_ARB 0x86AF
+#endif
-// LordHavoc: ARB multitexure support
-extern int gl_mtex_enum;
-// Micro$oft dropped GL support beyond 1.1, so...
-#ifdef WIN32
+/*
+// uncomment if this is actually needed by anyone
+extern int gl_dot3ext;
+#ifndef GL_DOT3_RGB_EXT
+#define GL_DOT3_RGB_EXT 0x8740
+#define GL_DOT3_RGBA_EXT 0x8741
+#endif
+*/
-//#define GL_POLYGON_OFFSET_POINT 0x2A01
-//#define GL_POLYGON_OFFSET_LINE 0x2A02
-//#define GL_POLYGON_OFFSET_FILL 0x8037
+#ifndef GL_SCISSOR_TEST
+#define GL_SCISSOR_TEST 0x0C11
+#define GL_SCISSOR_BOX 0x0C10
+#endif
-#define GL_ACTIVE_TEXTURE_ARB 0x84E0
-#define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
-#define GL_MAX_TEXTURES_UNITS_ARB 0x84E2
-#define GL_TEXTURE0_ARB 0x84C0
-#define GL_TEXTURE1_ARB 0x84C1
-#define GL_TEXTURE2_ARB 0x84C2
-#define GL_TEXTURE3_ARB 0x84C3
-// LordHavoc: ARB supports 32+ texture units, but hey I only use 2 anyway...
+// GL_SGIS_texture_edge_clamp or GL_EXT_texture_edge_clamp
+extern int gl_support_clamptoedge;
+#ifndef GL_CLAMP_TO_EDGE
+#define GL_CLAMP_TO_EDGE 0x812F
+#endif
-// LordHavoc: vertex array defines
-#define GL_VERTEX_ARRAY 0x8074
-//#define GL_NORMAL_ARRAY 0x8075
-#define GL_COLOR_ARRAY 0x8076
-//#define GL_INDEX_ARRAY 0x8077
-#define GL_TEXTURE_COORD_ARRAY 0x8078
-//#define GL_EDGE_FLAG_ARRAY 0x8079
-/*
-#define GL_V2F 0x2A20
-#define GL_V3F 0x2A21
-#define GL_C4UB_V2F 0x2A22
-#define GL_C4UB_V3F 0x2A23
-#define GL_C3F_V3F 0x2A24
-#define GL_N3F_V3F 0x2A25
-#define GL_C4F_N3F_V3F 0x2A26
-#define GL_T2F_V3F 0x2A27
-#define GL_T4F_V4F 0x2A28
-#define GL_T2F_C4UB_V3F 0x2A29
-#define GL_T2F_C3F_V3F 0x2A2A
-#define GL_T2F_N3F_V3F 0x2A2B
-#define GL_T2F_C4F_N3F_V3F 0x2A2C
-#define GL_T4F_C4F_N3F_V4F 0x2A2D
-*/
+//GL_ATI_separate_stencil
+extern int gl_support_separatestencil;
+#ifndef GL_STENCIL_BACK_FUNC
+#define GL_STENCIL_BACK_FUNC 0x8800
+#define GL_STENCIL_BACK_FAIL 0x8801
+#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802
+#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803
+#endif
+extern void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
+extern void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
+
+//GL_EXT_stencil_two_side
+#define GL_STENCIL_TEST_TWO_SIDE_EXT 0x8910
+#define GL_ACTIVE_STENCIL_FACE_EXT 0x8911
+extern void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
+extern int gl_support_stenciltwoside;
+
+//GL_EXT_blend_minmax
+extern int gl_support_ext_blend_minmax;
+#ifndef GL_FUNC_ADD_EXT
+#define GL_FUNC_ADD_EXT 0x8006 // also supplied by GL_EXT_blend_subtract
+#define GL_MIN_EXT 0x8007
+#define GL_MAX_EXT 0x8008
+#define GL_BLEND_EQUATION_EXT 0x8009 // also supplied by GL_EXT_blend_subtract
+extern void (GLAPIENTRY *qglBlendEquationEXT)(GLenum); // also supplied by GL_EXT_blend_subtract
+#endif
-//extern void (APIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
-extern void (APIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
-//extern void (APIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
-extern void (APIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
-//extern void (APIENTRY *qglIndexPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
-extern void (APIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
-//extern void (APIENTRY *qglEdgeFlagPointer)(GLsizei stride, const GLvoid *ptr);
-//extern void (APIENTRY *qglGetPointerv)(GLenum pname, void **params);
-extern void (APIENTRY *qglArrayElement)(GLint i);
-//extern void (APIENTRY *qglDrawArrays)(GLenum mode, GLint first, GLsizei count);
-extern void (APIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
-//extern void (APIENTRY *qglInterleavedArrays)(GLenum format, GLsizei stride, const GLvoid *pointer);
+//GL_EXT_blend_subtract
+extern int gl_support_ext_blend_subtract;
+#ifndef GL_FUNC_SUBTRACT_EXT
+#define GL_FUNC_SUBTRACT_EXT 0x800A
+#define GL_FUNC_REVERSE_SUBTRACT_EXT 0x800B
+#endif
-#else
+//GL_ARB_texture_non_power_of_two
+extern int gl_support_arb_texture_non_power_of_two;
+
+//GL_ARB_vertex_buffer_object
+extern int gl_support_arb_vertex_buffer_object;
+#ifndef GL_ARRAY_BUFFER_ARB
+#define GL_ARRAY_BUFFER_ARB 0x8892
+#define GL_ELEMENT_ARRAY_BUFFER_ARB 0x8893
+#define GL_ARRAY_BUFFER_BINDING_ARB 0x8894
+#define GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB 0x8895
+#define GL_VERTEX_ARRAY_BUFFER_BINDING_ARB 0x8896
+#define GL_NORMAL_ARRAY_BUFFER_BINDING_ARB 0x8897
+#define GL_COLOR_ARRAY_BUFFER_BINDING_ARB 0x8898
+#define GL_INDEX_ARRAY_BUFFER_BINDING_ARB 0x8899
+#define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB 0x889A
+#define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB 0x889B
+#define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB 0x889C
+#define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB 0x889D
+#define GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB 0x889E
+#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB 0x889F
+#define GL_STREAM_DRAW_ARB 0x88E0
+#define GL_STREAM_READ_ARB 0x88E1
+#define GL_STREAM_COPY_ARB 0x88E2
+#define GL_STATIC_DRAW_ARB 0x88E4
+#define GL_STATIC_READ_ARB 0x88E5
+#define GL_STATIC_COPY_ARB 0x88E6
+#define GL_DYNAMIC_DRAW_ARB 0x88E8
+#define GL_DYNAMIC_READ_ARB 0x88E9
+#define GL_DYNAMIC_COPY_ARB 0x88EA
+#define GL_READ_ONLY_ARB 0x88B8
+#define GL_WRITE_ONLY_ARB 0x88B9
+#define GL_READ_WRITE_ARB 0x88BA
+#define GL_BUFFER_SIZE_ARB 0x8764
+#define GL_BUFFER_USAGE_ARB 0x8765
+#define GL_BUFFER_ACCESS_ARB 0x88BB
+#define GL_BUFFER_MAPPED_ARB 0x88BC
+#define GL_BUFFER_MAP_POINTER_ARB 0x88BD
+#endif
+extern void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
+extern void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
+extern void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
+extern GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
+extern GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
+extern GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
+extern void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
+extern void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
+
+extern void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
+
+extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+
+extern void (GLAPIENTRY *qglClear)(GLbitfield mask);
+
+extern void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
+extern void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
+extern void (GLAPIENTRY *qglCullFace)(GLenum mode);
+
+extern void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
+extern void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
+extern void (GLAPIENTRY *qglEnable)(GLenum cap);
+extern void (GLAPIENTRY *qglDisable)(GLenum cap);
+extern GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
+
+extern void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
+extern void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
+
+extern void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
+extern void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
+extern void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
+
+extern GLenum (GLAPIENTRY *qglGetError)(void);
+extern const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
+extern void (GLAPIENTRY *qglFinish)(void);
+extern void (GLAPIENTRY *qglFlush)(void);
+
+extern void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
+extern void (GLAPIENTRY *qglDepthFunc)(GLenum func);
+extern void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
+extern void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
+extern void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
+
+extern void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
+extern void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
+extern void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+extern void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
+extern void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+extern void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+extern void (GLAPIENTRY *qglArrayElement)(GLint i);
+
+extern void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
+extern void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
+extern void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
+extern void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
+extern void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
+extern void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
+extern void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
+extern void (GLAPIENTRY *qglBegin)(GLenum mode);
+extern void (GLAPIENTRY *qglEnd)(void);
+
+extern void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
+extern void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+extern void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+extern void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
+extern void (GLAPIENTRY *qglPushMatrix)(void);
+extern void (GLAPIENTRY *qglPopMatrix)(void);
+extern void (GLAPIENTRY *qglLoadIdentity)(void);
+extern void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
+extern void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
+extern void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
+extern void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
+extern void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
+extern void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
+extern void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
+extern void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
+extern void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
+extern void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
+
+extern void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
+
+extern void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
+extern void (GLAPIENTRY *qglStencilMask)(GLuint mask);
+extern void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
+extern void (GLAPIENTRY *qglClearStencil)(GLint s);
+
+extern void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
+extern void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
+extern void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
+extern void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
+extern void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
+extern void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
+
+extern void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
+extern void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+extern void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
+//extern void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
+//extern GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
+extern GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
+extern void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
+extern void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
+
+extern void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
+extern void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
+extern void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
+extern void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+
+extern void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
+extern void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
+
+extern void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
+extern void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
+
+//[515]: added on 29.07.2005
+extern void (GLAPIENTRY *qglLineWidth)(GLfloat width);
+extern void (GLAPIENTRY *qglPointSize)(GLfloat size);
+
+// GL_ARB_shader_objects
+extern int gl_support_shader_objects;
+#ifndef GL_PROGRAM_OBJECT_ARB
+// 1-byte character string
+typedef char GLcharARB;
+// 4-byte integer handle to a shader object or program object
+typedef int GLhandleARB;
+#endif
+extern void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
+extern GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
+extern void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
+extern GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
+extern void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
+extern void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
+extern GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
+extern void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
+extern void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
+extern void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
+extern void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
+extern void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
+extern void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
+extern void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
+extern void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+extern void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
+extern void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
+extern void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
+extern void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
+extern void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
+extern void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
+extern GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
+extern void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
+extern void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
+extern void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
+extern void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
+extern void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
+#ifndef GL_PROGRAM_OBJECT_ARB
+#define GL_PROGRAM_OBJECT_ARB 0x8B40
+#define GL_OBJECT_TYPE_ARB 0x8B4E
+#define GL_OBJECT_SUBTYPE_ARB 0x8B4F
+#define GL_OBJECT_DELETE_STATUS_ARB 0x8B80
+#define GL_OBJECT_COMPILE_STATUS_ARB 0x8B81
+#define GL_OBJECT_LINK_STATUS_ARB 0x8B82
+#define GL_OBJECT_VALIDATE_STATUS_ARB 0x8B83
+#define GL_OBJECT_INFO_LOG_LENGTH_ARB 0x8B84
+#define GL_OBJECT_ATTACHED_OBJECTS_ARB 0x8B85
+#define GL_OBJECT_ACTIVE_UNIFORMS_ARB 0x8B86
+#define GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB 0x8B87
+#define GL_OBJECT_SHADER_SOURCE_LENGTH_ARB 0x8B88
+#define GL_SHADER_OBJECT_ARB 0x8B48
+#define GL_FLOAT 0x1406
+#define GL_FLOAT_VEC2_ARB 0x8B50
+#define GL_FLOAT_VEC3_ARB 0x8B51
+#define GL_FLOAT_VEC4_ARB 0x8B52
+#define GL_INT 0x1404
+#define GL_INT_VEC2_ARB 0x8B53
+#define GL_INT_VEC3_ARB 0x8B54
+#define GL_INT_VEC4_ARB 0x8B55
+#define GL_BOOL_ARB 0x8B56
+#define GL_BOOL_VEC2_ARB 0x8B57
+#define GL_BOOL_VEC3_ARB 0x8B58
+#define GL_BOOL_VEC4_ARB 0x8B59
+#define GL_FLOAT_MAT2_ARB 0x8B5A
+#define GL_FLOAT_MAT3_ARB 0x8B5B
+#define GL_FLOAT_MAT4_ARB 0x8B5C
+#define GL_SAMPLER_1D_ARB 0x8B5D
+#define GL_SAMPLER_2D_ARB 0x8B5E
+#define GL_SAMPLER_3D_ARB 0x8B5F
+#define GL_SAMPLER_CUBE_ARB 0x8B60
+#define GL_SAMPLER_1D_SHADOW_ARB 0x8B61
+#define GL_SAMPLER_2D_SHADOW_ARB 0x8B62
+#define GL_SAMPLER_2D_RECT_ARB 0x8B63
+#define GL_SAMPLER_2D_RECT_SHADOW_ARB 0x8B64
+#endif
-//#define qglPolygonOffset glPolygonOffset
-#define qglVertexPointer glVertexPointer
-//#define qglNormalPointer glNormalPointer
-#define qglColorPointer glColorPointer
-//#define qglIndexPointer glIndexPointer
-#define qglTexCoordPointer glTexCoordPointer
-//#define qglEdgeFlagPointer glEdgeFlagPointer
-//#define qglGetPointerv glGetPointerv
-#define qglArrayElement glArrayElement
-//#define qglDrawArrays glDrawArrays
-#define qglDrawElements glDrawElements
-//#define qglInterleavedArrays glInterleavedArrays
+// GL_ARB_vertex_shader
+extern int gl_support_vertex_shader;
+//extern void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
+//extern void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
+//extern void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
+//extern void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
+//extern void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
+//extern void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
+//extern void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
+//extern void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
+//extern void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
+//extern void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+//extern void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
+//extern void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
+//extern void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
+//extern void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
+//extern void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
+//extern void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
+//extern void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
+//extern void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
+//extern void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
+extern void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
+extern void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
+extern void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
+extern void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
+extern void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
+extern GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
+//extern void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
+//extern void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
+//extern void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
+//extern void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
+#ifndef GL_VERTEX_SHADER_ARB
+#define GL_VERTEX_SHADER_ARB 0x8B31
+#define GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB 0x8B4A
+#define GL_MAX_VARYING_FLOATS_ARB 0x8B4B
+#define GL_MAX_VERTEX_ATTRIBS_ARB 0x8869
+#define GL_MAX_TEXTURE_IMAGE_UNITS_ARB 0x8872
+#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB 0x8B4C
+#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB 0x8B4D
+#define GL_MAX_TEXTURE_COORDS_ARB 0x8871
+#define GL_VERTEX_PROGRAM_POINT_SIZE_ARB 0x8642
+#define GL_VERTEX_PROGRAM_TWO_SIDE_ARB 0x8643
+#define GL_OBJECT_ACTIVE_ATTRIBUTES_ARB 0x8B89
+#define GL_OBJECT_ACTIVE_ATTRIBUTE_MAX_LENGTH_ARB 0x8B8A
+#define GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB 0x8622
+#define GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB 0x8623
+#define GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB 0x8624
+#define GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB 0x8625
+#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB 0x886A
+#define GL_CURRENT_VERTEX_ATTRIB_ARB 0x8626
+#define GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB 0x8645
+#define GL_FLOAT 0x1406
+#define GL_FLOAT_VEC2_ARB 0x8B50
+#define GL_FLOAT_VEC3_ARB 0x8B51
+#define GL_FLOAT_VEC4_ARB 0x8B52
+#define GL_FLOAT_MAT2_ARB 0x8B5A
+#define GL_FLOAT_MAT3_ARB 0x8B5B
+#define GL_FLOAT_MAT4_ARB 0x8B5C
+#endif
+// GL_ARB_fragment_shader
+extern int gl_support_fragment_shader;
+#ifndef GL_FRAGMENT_SHADER_ARB
+#define GL_FRAGMENT_SHADER_ARB 0x8B30
+#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB 0x8B49
+#define GL_MAX_TEXTURE_COORDS_ARB 0x8871
+#define GL_MAX_TEXTURE_IMAGE_UNITS_ARB 0x8872
+#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB 0x8B8B
#endif
-extern void (APIENTRY *qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
-extern void (APIENTRY *qglSelectTexture) (GLenum);
-extern void (APIENTRY *glColorTableEXT)(int, int, int, int, int, const void*);
+// GL_ARB_shading_language_100
+extern int gl_support_shading_language_100;
+#ifndef GL_SHADING_LANGUAGE_VERSION_ARB
+#define GL_SHADING_LANGUAGE_VERSION_ARB 0x8B8C
+#endif
-// LordHavoc: vertex transform
-#include "transform.h"
+// GL_ARB_texture_compression
+extern int gl_support_texture_compression;
+extern void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglCompressedTexSubImage3DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
+#ifndef GL_COMPRESSED_RGB_ARB
+#define GL_COMPRESSED_ALPHA_ARB 0x84E9
+#define GL_COMPRESSED_LUMINANCE_ARB 0x84EA
+#define GL_COMPRESSED_LUMINANCE_ALPHA_ARB 0x84EB
+#define GL_COMPRESSED_INTENSITY_ARB 0x84EC
+#define GL_COMPRESSED_RGB_ARB 0x84ED
+#define GL_COMPRESSED_RGBA_ARB 0x84EE
+#define GL_TEXTURE_COMPRESSION_HINT_ARB 0x84EF
+#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB 0x86A0
+#define GL_TEXTURE_COMPRESSED_ARB 0x86A1
+#define GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB 0x86A2
+#define GL_COMPRESSED_TEXTURE_FORMATS_ARB 0x86A3
+#endif
+
+// GL_EXT_bgr
+#define GL_BGR 0x80E0
-// LordHavoc: transparent polygon system
-#include "gl_poly.h"
+// GL_EXT_bgra
+#define GL_BGRA 0x80E1
-#define gl_solid_format 3
-#define gl_alpha_format 4
+#define DEBUGGL
-//#define PARANOID
+#ifdef DEBUGGL
+#define CHECKGLERROR {if (gl_paranoid.integer){if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);errornumber = qglGetError();if (errornumber) GL_PrintError(errornumber, __FILE__, __LINE__);}}
+extern int errornumber;
+void GL_PrintError(int errornumber, char *filename, int linenumber);
+#else
+#define CHECKGLERROR
+#endif
-// LordHavoc: was a major time waster
-#define R_CullBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) == 2 || frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) == 2 || frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) == 2 || frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) == 2)
+#endif
-extern qboolean fogenabled;
-extern vec3_t fogcolor;
-extern vec_t fogdensity;
-//#define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_refdef.vieworg[0]) * vpn[0] + ((v)[1] - r_refdef.vieworg[1]) * vpn[1] + ((v)[2] - r_refdef.vieworg[2]) * vpn[2])*(((v)[0] - r_refdef.vieworg[0]) * vpn[0] + ((v)[1] - r_refdef.vieworg[1]) * vpn[1] + ((v)[2] - r_refdef.vieworg[2]) * vpn[2]))))
-#define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_refdef.vieworg[0])*((v)[0] - r_refdef.vieworg[0])+((v)[1] - r_refdef.vieworg[1])*((v)[1] - r_refdef.vieworg[1])+((v)[2] - r_refdef.vieworg[2])*((v)[2] - r_refdef.vieworg[2])))))
-#define calcfogbyte(v) ((byte) (bound(0, ((int) ((float) (calcfog((v)) * 255.0f))), 255)))