glquake.h

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #ifndef GLQUAKE_H
  22 #define GLQUAKE_H
  23
  24 // disable data conversion warnings
  25
  26 #ifdef _MSC_VER
  27 #pragma warning(disable : 4244)     // LordHavoc: MSVC++ 4 x86, double/float
  28 #pragma warning(disable : 4305)         // LordHavoc: MSVC++ 6 x86, double/float
  29 #pragma warning(disable : 4018)         // LordHavoc: MSVC++ 4 x86, signed/unsigned mismatch
  30 #endif
  31
  32
  33 //====================================================
  34
  35 // wgl uses APIENTRY
  36 #ifndef APIENTRY
  37 #define APIENTRY
  38 #endif
  39
  40 // for platforms (wgl) that do not use GLAPIENTRY
  41 #ifndef GLAPIENTRY
  42 #define GLAPIENTRY APIENTRY
  43 #endif
  44
  45 #ifndef GL_PROJECTION
  46 typedef unsigned int GLenum;
  47 typedef unsigned char GLboolean;
  48 typedef unsigned int GLbitfield;
  49 typedef void GLvoid;
  50 // 1-byte signed
  51 typedef signed char GLbyte;
  52 // 2-byte signed
  53 typedef short GLshort;
  54 // 4-byte signed
  55 typedef int GLint;
  56 // 1-byte unsigned
  57 typedef unsigned char GLubyte;
  58 // 2-byte unsigned
  59 typedef unsigned short GLushort;
  60 // 4-byte unsigned
  61 typedef unsigned int GLuint;
  62 // 4-byte signed
  63 typedef int GLsizei;
  64 // single precision float
  65 typedef float GLfloat;
  66 // single precision float in [0,1]
  67 typedef float GLclampf;
  68 // double precision float
  69 typedef double GLdouble;
  70 // double precision float in [0,1]
  71 typedef double GLclampd;
  72
  73 #define GL_MODELVIEW                            0x1700
  74 #define GL_PROJECTION                           0x1701
  75 #define GL_TEXTURE                              0x1702
  76 #define GL_MATRIX_MODE                          0x0BA0
  77 #define GL_MODELVIEW_MATRIX                     0x0BA6
  78 #define GL_PROJECTION_MATRIX                    0x0BA7
  79 #define GL_TEXTURE_MATRIX                       0x0BA8
  80
  81 #define GL_DEPTH_TEST                           0x0B71
  82
  83 #define GL_CULL_FACE                            0x0B44
  84
  85 #define GL_BLEND                                0x0BE2
  86
  87 #define GL_ZERO                                 0x0
  88 #define GL_ONE                                  0x1
  89 #define GL_SRC_COLOR                            0x0300
  90 #define GL_ONE_MINUS_SRC_COLOR                  0x0301
  91 #define GL_DST_COLOR                            0x0306
  92 #define GL_ONE_MINUS_DST_COLOR                  0x0307
  93 #define GL_SRC_ALPHA                            0x0302
  94 #define GL_ONE_MINUS_SRC_ALPHA                  0x0303
  95 #define GL_DST_ALPHA                            0x0304
  96 #define GL_ONE_MINUS_DST_ALPHA                  0x0305
  97 #define GL_SRC_ALPHA_SATURATE                   0x0308
  98 #define GL_CONSTANT_COLOR                       0x8001
  99 #define GL_ONE_MINUS_CONSTANT_COLOR             0x8002
 100 #define GL_CONSTANT_ALPHA                       0x8003
 101 #define GL_ONE_MINUS_CONSTANT_ALPHA             0x8004
 102
 103 #define GL_TEXTURE_ENV                          0x2300
 104 #define GL_TEXTURE_ENV_MODE                     0x2200
 105 #define GL_TEXTURE_1D                           0x0DE0
 106 #define GL_TEXTURE_2D                           0x0DE1
 107 #define GL_TEXTURE_WRAP_S                       0x2802
 108 #define GL_TEXTURE_WRAP_T                       0x2803
 109 #define GL_TEXTURE_WRAP_R                       0x8072
 110 #define GL_TEXTURE_BORDER_COLOR                 0x1004
 111 #define GL_TEXTURE_MAG_FILTER                   0x2800
 112 #define GL_TEXTURE_MIN_FILTER                   0x2801
 113 #define GL_UNPACK_ALIGNMENT                     0x0CF5
 114 #define GL_TEXTURE_BINDING_1D                   0x8068
 115 #define GL_TEXTURE_BINDING_2D                   0x8069
 116
 117 #define GL_NEAREST                              0x2600
 118 #define GL_LINEAR                               0x2601
 119 #define GL_NEAREST_MIPMAP_NEAREST               0x2700
 120 #define GL_NEAREST_MIPMAP_LINEAR                0x2702
 121 #define GL_LINEAR_MIPMAP_NEAREST                0x2701
 122 #define GL_LINEAR_MIPMAP_LINEAR                 0x2703
 123
 124 extern int gl_support_anisotropy;
 125 #define GL_TEXTURE_MAX_ANISOTROPY_EXT           0x84FE
 126 #define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT       0x84FF
 127
 128 #define GL_DECAL                                0x2101
 129 #define GL_MODULATE                             0x2100
 130
 131 #define GL_REPEAT                               0x2901
 132 #define GL_CLAMP                                0x2900
 133
 134 #define GL_TRIANGLES                            0x0004
 135
 136 #define GL_FALSE                                0x0
 137 #define GL_TRUE                                 0x1
 138
 139 #define GL_BYTE                                 0x1400
 140 #define GL_UNSIGNED_BYTE                        0x1401
 141 #define GL_SHORT                                0x1402
 142 #define GL_UNSIGNED_SHORT                       0x1403
 143 #define GL_INT                                  0x1404
 144 #define GL_UNSIGNED_INT                         0x1405
 145 #define GL_FLOAT                                0x1406
 146 #define GL_DOUBLE                               0x140A
 147 #define GL_2_BYTES                              0x1407
 148 #define GL_3_BYTES                              0x1408
 149 #define GL_4_BYTES                              0x1409
 150
 151 #define GL_VERTEX_ARRAY                         0x8074
 152 #define GL_NORMAL_ARRAY                         0x8075
 153 #define GL_COLOR_ARRAY                          0x8076
 154 //#define GL_INDEX_ARRAY                                0x8077
 155 #define GL_TEXTURE_COORD_ARRAY                  0x8078
 156 //#define GL_EDGE_FLAG_ARRAY                    0x8079
 157
 158 #define GL_FRONT                                0x0404
 159 #define GL_BACK                                 0x0405
 160
 161 #define GL_VENDOR                               0x1F00
 162 #define GL_RENDERER                             0x1F01
 163 #define GL_VERSION                              0x1F02
 164 #define GL_EXTENSIONS                           0x1F03
 165
 166 #define GL_NO_ERROR                             0x0
 167 #define GL_INVALID_VALUE                        0x0501
 168 #define GL_INVALID_ENUM                         0x0500
 169 #define GL_INVALID_OPERATION                    0x0502
 170 #define GL_STACK_OVERFLOW                       0x0503
 171 #define GL_STACK_UNDERFLOW                      0x0504
 172 #define GL_OUT_OF_MEMORY                        0x0505
 173
 174 #define GL_DITHER                               0x0BD0
 175 #define GL_RGB                                  0x1907
 176 #define GL_RGBA                                 0x1908
 177
 178 #define GL_MAX_TEXTURE_SIZE                     0x0D33
 179
 180 #define GL_NEVER                                0x0200
 181 #define GL_LESS                                 0x0201
 182 #define GL_EQUAL                                0x0202
 183 #define GL_LEQUAL                               0x0203
 184 #define GL_GREATER                              0x0204
 185 #define GL_NOTEQUAL                             0x0205
 186 #define GL_GEQUAL                               0x0206
 187 #define GL_ALWAYS                               0x0207
 188 #define GL_DEPTH_TEST                           0x0B71
 189
 190 #define GL_RED_SCALE                            0x0D14
 191 #define GL_GREEN_SCALE                          0x0D18
 192 #define GL_BLUE_SCALE                           0x0D1A
 193 #define GL_ALPHA_SCALE                          0x0D1C
 194
 195 #define GL_DEPTH_BUFFER_BIT                     0x00000100
 196 #define GL_ACCUM_BUFFER_BIT                     0x00000200
 197 #define GL_STENCIL_BUFFER_BIT                   0x00000400
 198 #define GL_COLOR_BUFFER_BIT                     0x00004000
 199
 200 #define GL_STENCIL_TEST                         0x0B90
 201 #define GL_KEEP                                 0x1E00
 202 #define GL_REPLACE                              0x1E01
 203 #define GL_INCR                                 0x1E02
 204 #define GL_DECR                                 0x1E03
 205
 206 #define GL_POLYGON_OFFSET_FACTOR          0x8038
 207 #define GL_POLYGON_OFFSET_UNITS           0x2A00
 208 #define GL_POLYGON_OFFSET_POINT           0x2A01
 209 #define GL_POLYGON_OFFSET_LINE            0x2A02
 210 #define GL_POLYGON_OFFSET_FILL            0x8037
 211 #endif
 212
 213 // GL_ARB_multitexture
 214 extern int gl_textureunits;
 215 extern void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
 216 extern void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
 217 extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
 218 extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
 219 #ifndef GL_ACTIVE_TEXTURE_ARB
 220 #define GL_ACTIVE_TEXTURE_ARB                   0x84E0
 221 #define GL_CLIENT_ACTIVE_TEXTURE_ARB    0x84E1
 222 #define GL_MAX_TEXTURE_UNITS_ARB                0x84E2
 223 #define GL_TEXTURE0_ARB                                 0x84C0
 224 #define GL_TEXTURE1_ARB                                 0x84C1
 225 #define GL_TEXTURE2_ARB                                 0x84C2
 226 #define GL_TEXTURE3_ARB                                 0x84C3
 227 #define GL_TEXTURE4_ARB                                 0x84C4
 228 #define GL_TEXTURE5_ARB                                 0x84C5
 229 #define GL_TEXTURE6_ARB                                 0x84C6
 230 #define GL_TEXTURE7_ARB                                 0x84C7
 231 #define GL_TEXTURE8_ARB                                 0x84C8
 232 #define GL_TEXTURE9_ARB                                 0x84C9
 233 #define GL_TEXTURE10_ARB                                0x84CA
 234 #define GL_TEXTURE11_ARB                                0x84CB
 235 #define GL_TEXTURE12_ARB                                0x84CC
 236 #define GL_TEXTURE13_ARB                                0x84CD
 237 #define GL_TEXTURE14_ARB                                0x84CE
 238 #define GL_TEXTURE15_ARB                                0x84CF
 239 #define GL_TEXTURE16_ARB                                0x84D0
 240 #define GL_TEXTURE17_ARB                                0x84D1
 241 #define GL_TEXTURE18_ARB                                0x84D2
 242 #define GL_TEXTURE19_ARB                                0x84D3
 243 #define GL_TEXTURE20_ARB                                0x84D4
 244 #define GL_TEXTURE21_ARB                                0x84D5
 245 #define GL_TEXTURE22_ARB                                0x84D6
 246 #define GL_TEXTURE23_ARB                                0x84D7
 247 #define GL_TEXTURE24_ARB                                0x84D8
 248 #define GL_TEXTURE25_ARB                                0x84D9
 249 #define GL_TEXTURE26_ARB                                0x84DA
 250 #define GL_TEXTURE27_ARB                                0x84DB
 251 #define GL_TEXTURE28_ARB                                0x84DC
 252 #define GL_TEXTURE29_ARB                                0x84DD
 253 #define GL_TEXTURE30_ARB                                0x84DE
 254 #define GL_TEXTURE31_ARB                                0x84DF
 255 #endif
 256
 257 // GL_EXT_compiled_vertex_array
 258 extern int gl_supportslockarrays;
 259 extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
 260 extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
 261
 262 // GL_ARB_texture_env_combine
 263 extern int gl_combine_extension;
 264 #ifndef GL_COMBINE_ARB
 265 #define GL_COMBINE_ARB                                  0x8570
 266 #define GL_COMBINE_RGB_ARB                              0x8571
 267 #define GL_COMBINE_ALPHA_ARB                    0x8572
 268 #define GL_SOURCE0_RGB_ARB                              0x8580
 269 #define GL_SOURCE1_RGB_ARB                              0x8581
 270 #define GL_SOURCE2_RGB_ARB                              0x8582
 271 #define GL_SOURCE0_ALPHA_ARB                    0x8588
 272 #define GL_SOURCE1_ALPHA_ARB                    0x8589
 273 #define GL_SOURCE2_ALPHA_ARB                    0x858A
 274 #define GL_OPERAND0_RGB_ARB                             0x8590
 275 #define GL_OPERAND1_RGB_ARB                             0x8591
 276 #define GL_OPERAND2_RGB_ARB                             0x8592
 277 #define GL_OPERAND0_ALPHA_ARB                   0x8598
 278 #define GL_OPERAND1_ALPHA_ARB                   0x8599
 279 #define GL_OPERAND2_ALPHA_ARB                   0x859A
 280 #define GL_RGB_SCALE_ARB                                0x8573
 281 #define GL_ADD_SIGNED_ARB                               0x8574
 282 #define GL_INTERPOLATE_ARB                              0x8575
 283 #define GL_SUBTRACT_ARB                                 0x84E7
 284 #define GL_CONSTANT_ARB                                 0x8576
 285 #define GL_PRIMARY_COLOR_ARB                    0x8577
 286 #define GL_PREVIOUS_ARB                                 0x8578
 287 #endif
 288
 289 #ifndef GL_MAX_ELEMENTS_VERTICES
 290 #define GL_MAX_ELEMENTS_VERTICES                0x80E8
 291 #endif
 292 #ifndef GL_MAX_ELEMENTS_INDICES
 293 #define GL_MAX_ELEMENTS_INDICES                 0x80E9
 294 #endif
 295
 296 extern cvar_t gl_combine;
 297
 298 extern int gl_texture3d;
 299 #ifndef GL_TEXTURE_3D
 300 #define GL_PACK_SKIP_IMAGES                     0x806B
 301 #define GL_PACK_IMAGE_HEIGHT                    0x806C
 302 #define GL_UNPACK_SKIP_IMAGES                   0x806D
 303 #define GL_UNPACK_IMAGE_HEIGHT                  0x806E
 304 #define GL_TEXTURE_3D                           0x806F
 305 #define GL_PROXY_TEXTURE_3D                     0x8070
 306 #define GL_TEXTURE_DEPTH                        0x8071
 307 #define GL_TEXTURE_WRAP_R                       0x8072
 308 #define GL_MAX_3D_TEXTURE_SIZE                  0x8073
 309 #define GL_TEXTURE_BINDING_3D                   0x806A
 310 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);
 311 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);
 312 extern void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
 313 #endif
 314
 315 extern int gl_texturecubemap;
 316 #ifndef GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
 317 #define GL_NORMAL_MAP_ARB                           0x8511
 318 #define GL_REFLECTION_MAP_ARB               0x8512
 319 #define GL_TEXTURE_CUBE_MAP_ARB             0x8513
 320 #define GL_TEXTURE_BINDING_CUBE_MAP_ARB     0x8514
 321 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB     0x8515
 322 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB     0x8516
 323 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB     0x8517
 324 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB     0x8518
 325 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB     0x8519
 326 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB     0x851A
 327 #define GL_PROXY_TEXTURE_CUBE_MAP_ARB       0x851B
 328 #define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB                0x851C
 329 #endif
 330
 331 extern int gl_dot3arb;
 332 #ifndef GL_DOT3_RGB_ARB
 333 #define GL_DOT3_RGB_ARB                         0x86AE
 334 #define GL_DOT3_RGBA_ARB                                0x86AF
 335 #endif
 336
 337 /*
 338 // uncomment if this is actually needed by anyone
 339 extern int gl_dot3ext;
 340 #ifndef GL_DOT3_RGB_EXT
 341 #define GL_DOT3_RGB_EXT                         0x8740
 342 #define GL_DOT3_RGBA_EXT                        0x8741
 343 #endif
 344 */
 345
 346 #ifndef GL_SCISSOR_TEST
 347 #define GL_SCISSOR_TEST                         0x0C11
 348 #define GL_SCISSOR_BOX                          0x0C10
 349 #endif
 350
 351 // GL_SGIS_texture_edge_clamp or GL_EXT_texture_edge_clamp
 352 extern int gl_support_clamptoedge;
 353 #ifndef GL_CLAMP_TO_EDGE
 354 #define GL_CLAMP_TO_EDGE 0x812F
 355 #endif
 356
 357 //GL_NV_vertex_array_range
 358 extern GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
 359 extern GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
 360 extern GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
 361 extern GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
 362 #define GL_VERTEX_ARRAY_RANGE_NV 0x851D
 363 #define GL_VERTEX_ARRAY_RANGE_LENGTH_NV 0x851E
 364 #define GL_MAX_VERTEX_ARRAY_RANGE_ELEMENT_NV 0x8520
 365 #define GL_VERTEX_ARRAY_RANGE_POINTER_NV 0x8521
 366 extern int gl_support_var;
 367
 368 //GL_NV_vertex_array_range2
 369 #define GL_VERTEX_ARRAY_RANGE_WITHOUT_FLUSH_NV 0x8533
 370 extern int gl_support_var2;
 371
 372
 373 extern void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
 374
 375 extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
 376
 377 extern void (GLAPIENTRY *qglClear)(GLbitfield mask);
 378
 379 //extern void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
 380 extern void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
 381 extern void (GLAPIENTRY *qglCullFace)(GLenum mode);
 382
 383 //extern void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
 384 //extern void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
 385 extern void (GLAPIENTRY *qglEnable)(GLenum cap);
 386 extern void (GLAPIENTRY *qglDisable)(GLenum cap);
 387 extern GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
 388
 389 extern void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
 390 extern void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
 391
 392 //extern void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
 393 //extern void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
 394 //extern void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
 395 extern void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
 396
 397 extern GLenum (GLAPIENTRY *qglGetError)(void);
 398 extern const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
 399 extern void (GLAPIENTRY *qglFinish)(void);
 400 extern void (GLAPIENTRY *qglFlush)(void);
 401
 402 extern void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
 403 extern void (GLAPIENTRY *qglDepthFunc)(GLenum func);
 404 extern void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
 405 extern void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
 406 extern void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
 407
 408 extern void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
 409 extern void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
 410 extern void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 411 extern void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
 412 extern void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 413 extern void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 414 extern void (GLAPIENTRY *qglArrayElement)(GLint i);
 415
 416 extern void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
 417 extern void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
 418 extern void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
 419 extern void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
 420 extern void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
 421 extern void (GLAPIENTRY *qglBegin)(GLenum mode);
 422 extern void (GLAPIENTRY *qglEnd)(void);
 423
 424 extern void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
 425 extern void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
 426 extern void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
 427 extern void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
 428 //extern void (GLAPIENTRY *qglPushMatrix)(void);
 429 //extern void (GLAPIENTRY *qglPopMatrix)(void);
 430 extern void (GLAPIENTRY *qglLoadIdentity)(void);
 431 //extern void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
 432 extern void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
 433 //extern void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
 434 //extern void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
 435 //extern void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
 436 //extern void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
 437 //extern void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
 438 //extern void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
 439 //extern void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
 440 //extern void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
 441
 442 extern void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
 443
 444 extern void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
 445 extern void (GLAPIENTRY *qglStencilMask)(GLuint mask);
 446 extern void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
 447 extern void (GLAPIENTRY *qglClearStencil)(GLint s);
 448
 449 //extern void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
 450 extern void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
 451 extern void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
 452 //extern void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
 453 extern void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
 454
 455 extern void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
 456 extern void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
 457 extern void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
 458 //extern void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
 459 //extern GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
 460 extern GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
 461 //extern void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
 462 extern void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
 463
 464 extern void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
 465 extern void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
 466 extern void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
 467 extern void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
 468 extern void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
 469 extern void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
 470 extern void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
 471 extern void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
 472
 473 extern void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
 474
 475 #if WIN32
 476 extern int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
 477 extern int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
 478 //extern int (WINAPI *qwglGetPixelFormat)(HDC);
 479 extern BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
 480 extern BOOL (WINAPI *qwglSwapBuffers)(HDC);
 481 extern HGLRC (WINAPI *qwglCreateContext)(HDC);
 482 extern BOOL (WINAPI *qwglDeleteContext)(HGLRC);
 483 extern PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
 484 extern BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
 485 extern BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
 486 #endif
 487
 488 #define DEBUGGL
 489
 490 #ifdef DEBUGGL
 491 #define CHECKGLERROR {if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);if (gl_paranoid.integer && (errornumber = qglGetError())) GL_PrintError(errornumber, __FILE__, __LINE__);}
 492 extern int errornumber;
 493 void GL_PrintError(int errornumber, char *filename, int linenumber);
 494 #else
 495 #define CHECKGLERROR
 496 #endif
 497
 498 #endif
 499