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 #ifdef _WIN32
  33 #include <windows.h>
  34 #define strcasecmp stricmp
  35 #define strncasecmp strnicmp
  36 #endif
  37
  38 //#include <GL/gl.h>
  39
  40 //====================================================
  41
  42 // wgl uses APIENTRY
  43 #ifndef APIENTRY
  44 #define APIENTRY
  45 #endif
  46
  47 // for platforms (wgl) that do not use GLAPIENTRY
  48 #ifndef GLAPIENTRY
  49 #define GLAPIENTRY APIENTRY
  50 #endif
  51
  52 #ifndef GL_PROJECTION
  53 typedef unsigned int GLenum;
  54 typedef unsigned char GLboolean;
  55 typedef unsigned int GLbitfield;
  56 typedef void GLvoid;
  57 // 1-byte signed
  58 typedef signed char GLbyte;
  59 // 2-byte signed
  60 typedef short GLshort;
  61 // 4-byte signed
  62 typedef int GLint;
  63 // 1-byte unsigned
  64 typedef unsigned char GLubyte;
  65 // 2-byte unsigned
  66 typedef unsigned short GLushort;
  67 // 4-byte unsigned
  68 typedef unsigned int GLuint;
  69 // 4-byte signed
  70 typedef int GLsizei;
  71 // single precision float
  72 typedef float GLfloat;
  73 // single precision float in [0,1]
  74 typedef float GLclampf;
  75 // double precision float
  76 typedef double GLdouble;
  77 // double precision float in [0,1]
  78 typedef double GLclampd;
  79
  80 #define GL_MODELVIEW                            0x1700
  81 #define GL_PROJECTION                           0x1701
  82 #define GL_TEXTURE                              0x1702
  83 #define GL_MATRIX_MODE                          0x0BA0
  84 #define GL_MODELVIEW_MATRIX                     0x0BA6
  85 #define GL_PROJECTION_MATRIX                    0x0BA7
  86 #define GL_TEXTURE_MATRIX                       0x0BA8
  87
  88 #define GL_DEPTH_TEST                           0x0B71
  89
  90 #define GL_CULL_FACE                            0x0B44
  91
  92 #define GL_BLEND                                0x0BE2
  93
  94 #define GL_ZERO                                 0x0
  95 #define GL_ONE                                  0x1
  96 #define GL_SRC_COLOR                            0x0300
  97 #define GL_ONE_MINUS_SRC_COLOR                  0x0301
  98 #define GL_DST_COLOR                            0x0306
  99 #define GL_ONE_MINUS_DST_COLOR                  0x0307
 100 #define GL_SRC_ALPHA                            0x0302
 101 #define GL_ONE_MINUS_SRC_ALPHA                  0x0303
 102 #define GL_DST_ALPHA                            0x0304
 103 #define GL_ONE_MINUS_DST_ALPHA                  0x0305
 104 #define GL_SRC_ALPHA_SATURATE                   0x0308
 105 #define GL_CONSTANT_COLOR                       0x8001
 106 #define GL_ONE_MINUS_CONSTANT_COLOR             0x8002
 107 #define GL_CONSTANT_ALPHA                       0x8003
 108 #define GL_ONE_MINUS_CONSTANT_ALPHA             0x8004
 109
 110 #define GL_TEXTURE_ENV                          0x2300
 111 #define GL_TEXTURE_ENV_MODE                     0x2200
 112 #define GL_TEXTURE_1D                           0x0DE0
 113 #define GL_TEXTURE_2D                           0x0DE1
 114 #define GL_TEXTURE_WRAP_S                       0x2802
 115 #define GL_TEXTURE_WRAP_T                       0x2803
 116 #define GL_TEXTURE_MAG_FILTER                   0x2800
 117 #define GL_TEXTURE_MIN_FILTER                   0x2801
 118 #define GL_UNPACK_ALIGNMENT                     0x0CF5
 119
 120 #define GL_NEAREST                              0x2600
 121 #define GL_LINEAR                               0x2601
 122 #define GL_NEAREST_MIPMAP_NEAREST               0x2700
 123 #define GL_NEAREST_MIPMAP_LINEAR                0x2702
 124 #define GL_LINEAR_MIPMAP_NEAREST                0x2701
 125 #define GL_LINEAR_MIPMAP_LINEAR                 0x2703
 126
 127 #define GL_DECAL                                0x2101
 128 #define GL_MODULATE                             0x2100
 129
 130 #define GL_REPEAT                               0x2901
 131 #define GL_CLAMP                                0x2900
 132
 133 #define GL_TRIANGLES                            0x0004
 134
 135 #define GL_FALSE                                0x0
 136 #define GL_TRUE                                 0x1
 137
 138 #define GL_BYTE                                 0x1400
 139 #define GL_UNSIGNED_BYTE                        0x1401
 140 #define GL_SHORT                                0x1402
 141 #define GL_UNSIGNED_SHORT                       0x1403
 142 #define GL_INT                                  0x1404
 143 #define GL_UNSIGNED_INT                         0x1405
 144 #define GL_FLOAT                                0x1406
 145 #define GL_DOUBLE                               0x140A
 146 #define GL_2_BYTES                              0x1407
 147 #define GL_3_BYTES                              0x1408
 148 #define GL_4_BYTES                              0x1409
 149
 150 #define GL_VERTEX_ARRAY                         0x8074
 151 #define GL_NORMAL_ARRAY                         0x8075
 152 #define GL_COLOR_ARRAY                          0x8076
 153 //#define GL_INDEX_ARRAY                                0x8077
 154 #define GL_TEXTURE_COORD_ARRAY                  0x8078
 155 //#define GL_EDGE_FLAG_ARRAY                    0x8079
 156
 157 #define GL_FRONT                                0x0404
 158 #define GL_BACK                                 0x0405
 159
 160 #define GL_VENDOR                               0x1F00
 161 #define GL_RENDERER                             0x1F01
 162 #define GL_VERSION                              0x1F02
 163 #define GL_EXTENSIONS                           0x1F03
 164
 165 #define GL_NO_ERROR                             0x0
 166 #define GL_INVALID_VALUE                        0x0501
 167 #define GL_INVALID_ENUM                         0x0500
 168 #define GL_INVALID_OPERATION                    0x0502
 169 #define GL_STACK_OVERFLOW                       0x0503
 170 #define GL_STACK_UNDERFLOW                      0x0504
 171 #define GL_OUT_OF_MEMORY                        0x0505
 172
 173 #define GL_DITHER                               0x0BD0
 174 #define GL_RGB                                  0x1907
 175 #define GL_RGBA                                 0x1908
 176
 177 #define GL_MAX_TEXTURE_SIZE                     0x0D33
 178
 179 #define GL_NEVER                                0x0200
 180 #define GL_LESS                                 0x0201
 181 #define GL_EQUAL                                0x0202
 182 #define GL_LEQUAL                               0x0203
 183 #define GL_GREATER                              0x0204
 184 #define GL_NOTEQUAL                             0x0205
 185 #define GL_GEQUAL                               0x0206
 186 #define GL_ALWAYS                               0x0207
 187 #define GL_DEPTH_TEST                           0x0B71
 188
 189 #define GL_RED_SCALE                            0x0D14
 190 #define GL_GREEN_SCALE                          0x0D18
 191 #define GL_BLUE_SCALE                           0x0D1A
 192 #define GL_ALPHA_SCALE                          0x0D1C
 193
 194 #define GL_DEPTH_BUFFER_BIT                     0x00000100
 195 #define GL_ACCUM_BUFFER_BIT                     0x00000200
 196 #define GL_STENCIL_BUFFER_BIT                   0x00000400
 197 #define GL_COLOR_BUFFER_BIT                     0x00004000
 198
 199 #define GL_STENCIL_TEST                         0x0B90
 200 #define GL_KEEP                                 0x1E00
 201 #define GL_REPLACE                              0x1E01
 202 #define GL_INCR                                 0x1E02
 203 #define GL_DECR                                 0x1E03
 204 #endif
 205
 206 // GL_ARB_multitexture
 207 extern int gl_textureunits;
 208 extern void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
 209 extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
 210 extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
 211 #ifndef GL_ACTIVE_TEXTURE_ARB
 212 #define GL_ACTIVE_TEXTURE_ARB                   0x84E0
 213 #define GL_CLIENT_ACTIVE_TEXTURE_ARB    0x84E1
 214 #define GL_MAX_TEXTURE_UNITS_ARB                0x84E2
 215 #define GL_TEXTURE0_ARB                                 0x84C0
 216 #define GL_TEXTURE1_ARB                                 0x84C1
 217 #define GL_TEXTURE2_ARB                                 0x84C2
 218 #define GL_TEXTURE3_ARB                                 0x84C3
 219 #define GL_TEXTURE4_ARB                                 0x84C4
 220 #define GL_TEXTURE5_ARB                                 0x84C5
 221 #define GL_TEXTURE6_ARB                                 0x84C6
 222 #define GL_TEXTURE7_ARB                                 0x84C7
 223 #define GL_TEXTURE8_ARB                                 0x84C8
 224 #define GL_TEXTURE9_ARB                                 0x84C9
 225 #define GL_TEXTURE10_ARB                                0x84CA
 226 #define GL_TEXTURE11_ARB                                0x84CB
 227 #define GL_TEXTURE12_ARB                                0x84CC
 228 #define GL_TEXTURE13_ARB                                0x84CD
 229 #define GL_TEXTURE14_ARB                                0x84CE
 230 #define GL_TEXTURE15_ARB                                0x84CF
 231 #define GL_TEXTURE16_ARB                                0x84D0
 232 #define GL_TEXTURE17_ARB                                0x84D1
 233 #define GL_TEXTURE18_ARB                                0x84D2
 234 #define GL_TEXTURE19_ARB                                0x84D3
 235 #define GL_TEXTURE20_ARB                                0x84D4
 236 #define GL_TEXTURE21_ARB                                0x84D5
 237 #define GL_TEXTURE22_ARB                                0x84D6
 238 #define GL_TEXTURE23_ARB                                0x84D7
 239 #define GL_TEXTURE24_ARB                                0x84D8
 240 #define GL_TEXTURE25_ARB                                0x84D9
 241 #define GL_TEXTURE26_ARB                                0x84DA
 242 #define GL_TEXTURE27_ARB                                0x84DB
 243 #define GL_TEXTURE28_ARB                                0x84DC
 244 #define GL_TEXTURE29_ARB                                0x84DD
 245 #define GL_TEXTURE30_ARB                                0x84DE
 246 #define GL_TEXTURE31_ARB                                0x84DF
 247 #endif
 248
 249 // GL_EXT_compiled_vertex_array
 250 extern int gl_supportslockarrays;
 251 extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
 252 extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
 253
 254 // GL_ARB_texture_env_combine
 255 extern int gl_combine_extension;
 256 #ifndef GL_COMBINE_ARB
 257 #define GL_COMBINE_ARB                                  0x8570
 258 #define GL_COMBINE_RGB_ARB                              0x8571
 259 #define GL_COMBINE_ALPHA_ARB                    0x8572
 260 #define GL_SOURCE0_RGB_ARB                              0x8580
 261 #define GL_SOURCE1_RGB_ARB                              0x8581
 262 #define GL_SOURCE2_RGB_ARB                              0x8582
 263 #define GL_SOURCE0_ALPHA_ARB                    0x8588
 264 #define GL_SOURCE1_ALPHA_ARB                    0x8589
 265 #define GL_SOURCE2_ALPHA_ARB                    0x858A
 266 #define GL_OPERAND0_RGB_ARB                             0x8590
 267 #define GL_OPERAND1_RGB_ARB                             0x8591
 268 #define GL_OPERAND2_RGB_ARB                             0x8592
 269 #define GL_OPERAND0_ALPHA_ARB                   0x8598
 270 #define GL_OPERAND1_ALPHA_ARB                   0x8599
 271 #define GL_OPERAND2_ALPHA_ARB                   0x859A
 272 #define GL_RGB_SCALE_ARB                                0x8573
 273 #define GL_ADD_SIGNED_ARB                               0x8574
 274 #define GL_INTERPOLATE_ARB                              0x8575
 275 #define GL_SUBTRACT_ARB                                 0x84E7
 276 #define GL_CONSTANT_ARB                                 0x8576
 277 #define GL_PRIMARY_COLOR_ARB                    0x8577
 278 #define GL_PREVIOUS_ARB                                 0x8578
 279 #endif
 280
 281 #ifndef GL_MAX_ELEMENTS_VERTICES
 282 #define GL_MAX_ELEMENTS_VERTICES                0x80E8
 283 #endif
 284 #ifndef GL_MAX_ELEMENTS_INDICES
 285 #define GL_MAX_ELEMENTS_INDICES                 0x80E9
 286 #endif
 287
 288 extern cvar_t gl_combine;
 289
 290 extern int gl_texture3d;
 291 #ifndef GL_TEXTURE_3D_EXT
 292 #define GL_PACK_SKIP_IMAGES_EXT                 0x806B
 293 #define GL_PACK_IMAGE_HEIGHT_EXT                0x806C
 294 #define GL_UNPACK_SKIP_IMAGES_EXT               0x806D
 295 #define GL_UNPACK_IMAGE_HEIGHT_EXT              0x806E
 296 #define GL_TEXTURE_3D_EXT                       0x806F
 297 #define GL_PROXY_TEXTURE_3D_EXT                 0x8070
 298 #define GL_TEXTURE_DEPTH_EXT                    0x8071
 299 #define GL_TEXTURE_WRAP_R_EXT                   0x8072
 300 #define GL_MAX_3D_TEXTURE_SIZE_EXT              0x8073
 301 #define GL_TEXTURE_3D_BINDING_EXT               0x806A
 302 extern void (GLAPIENTRY *qglTexImage3DEXT)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
 303 extern void (GLAPIENTRY *qglTexSubImage3DEXT)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
 304 extern void (GLAPIENTRY *qglCopyTexSubImage3DEXT)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
 305 #endif
 306
 307 extern int gl_texturecubemap;
 308 #ifndef GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
 309 #define GL_NORMAL_MAP_ARB                           0x8511
 310 #define GL_REFLECTION_MAP_ARB               0x8512
 311 #define GL_TEXTURE_CUBE_MAP_ARB             0x8513
 312 #define GL_TEXTURE_BINDING_CUBE_MAP_ARB     0x8514
 313 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB     0x8515
 314 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB     0x8516
 315 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB     0x8517
 316 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB     0x8518
 317 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB     0x8519
 318 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB     0x851A
 319 #define GL_PROXY_TEXTURE_CUBE_MAP_ARB       0x851B
 320 #define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB                0x851C
 321 #endif
 322
 323 extern int gl_dot3arb;
 324 #ifndef GL_DOT3_RGB_ARB
 325 #define DOT3_RGB_ARB                            0x86AE
 326 #define DOT3_RGBA_ARB                           0x86AF
 327 #endif
 328
 329 /*
 330 // uncomment if this is actually needed by anyone
 331 extern int gl_dot3ext;
 332 #ifndef GL_DOT3_RGB_EXT
 333 #define GL_DOT3_RGB_EXT                         0x8740
 334 #define GL_DOT3_RGBA_EXT                        0x8741
 335 #endif
 336 */
 337
 338
 339 extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
 340
 341 extern void (GLAPIENTRY *qglClear)(GLbitfield mask);
 342
 343 //extern void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
 344 extern void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
 345 extern void (GLAPIENTRY *qglCullFace)(GLenum mode);
 346
 347 extern void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
 348 extern void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
 349 extern void (GLAPIENTRY *qglEnable)(GLenum cap);
 350 extern void (GLAPIENTRY *qglDisable)(GLenum cap);
 351 //extern GLboolean GLAPIENTRY *qglIsEnabled)(GLenum cap);
 352
 353 extern void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
 354 extern void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
 355
 356 extern void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
 357 extern void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
 358 extern void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
 359 extern void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
 360
 361 extern GLenum (GLAPIENTRY *qglGetError)(void);
 362 extern const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
 363 extern void (GLAPIENTRY *qglFinish)(void);
 364 extern void (GLAPIENTRY *qglFlush)(void);
 365
 366 extern void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
 367 extern void (GLAPIENTRY *qglDepthFunc)(GLenum func);
 368 extern void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
 369 extern void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
 370 extern void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
 371
 372 extern void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
 373 extern void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
 374 extern void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 375 //extern void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
 376 extern void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 377 extern void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 378 extern void (GLAPIENTRY *qglArrayElement)(GLint i);
 379
 380 extern void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
 381 extern void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
 382 extern void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
 383 extern void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
 384 extern void (GLAPIENTRY *qglBegin)(GLenum mode);
 385 extern void (GLAPIENTRY *qglEnd)(void);
 386
 387 extern void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
 388 extern void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
 389 extern void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
 390 extern void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
 391 //extern void (GLAPIENTRY *qglPushMatrix)(void);
 392 //extern void (GLAPIENTRY *qglPopMatrix)(void);
 393 extern void (GLAPIENTRY *qglLoadIdentity)(void);
 394 extern void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
 395 extern void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
 396 //extern void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
 397 //extern void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
 398 //extern void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
 399 extern void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
 400 //extern void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
 401 //extern void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
 402 //extern void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
 403 extern void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
 404
 405 extern void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
 406
 407 extern void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
 408 extern void (GLAPIENTRY *qglStencilMask)(GLuint mask);
 409 extern void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
 410 extern void (GLAPIENTRY *qglClearStencil)(GLint s);
 411
 412 //extern void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
 413 extern void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
 414 //extern void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
 415 extern void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
 416
 417 extern void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
 418 extern void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
 419 extern void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
 420 extern void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
 421 extern GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
 422 extern GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
 423 extern void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
 424 extern void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
 425
 426 extern void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
 427 extern void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
 428 extern void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
 429 extern void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
 430 extern void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
 431 extern void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
 432 extern void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
 433 extern void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
 434
 435 #if WIN32
 436 extern int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
 437 extern int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
 438 //extern int (WINAPI *qwglGetPixelFormat)(HDC);
 439 extern BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
 440 extern BOOL (WINAPI *qwglSwapBuffers)(HDC);
 441 extern HGLRC (WINAPI *qwglCreateContext)(HDC);
 442 extern BOOL (WINAPI *qwglDeleteContext)(HGLRC);
 443 extern PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
 444 extern BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
 445 extern BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
 446 #endif
 447
 448 #define DEBUGGL
 449
 450 #ifdef DEBUGGL
 451 #define CHECKGLERROR if ((errornumber = qglGetError())) GL_PrintError(errornumber, __FILE__, __LINE__);
 452 extern int errornumber;
 453 void GL_PrintError(int errornumber, char *filename, int linenumber);
 454 #else
 455 #define CHECKGLERROR
 456 #endif
 457
 458 #endif
 459