added detection of VBO extension
[divverent/darkplaces.git] / 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 #endif
30
31
32 //====================================================
33
34 // wgl uses APIENTRY
35 #ifndef APIENTRY
36 #define APIENTRY
37 #endif
38
39 // for platforms (wgl) that do not use GLAPIENTRY
40 #ifndef GLAPIENTRY
41 #define GLAPIENTRY APIENTRY
42 #endif
43
44 #ifndef GL_PROJECTION
45 typedef unsigned int GLenum;
46 typedef unsigned char GLboolean;
47 typedef unsigned int GLbitfield;
48 typedef void GLvoid;
49 // 1-byte signed
50 typedef signed char GLbyte;
51 // 2-byte signed
52 typedef short GLshort;
53 // 4-byte signed
54 typedef int GLint;
55 // 1-byte unsigned
56 typedef unsigned char GLubyte;
57 // 2-byte unsigned
58 typedef unsigned short GLushort;
59 // 4-byte unsigned
60 typedef unsigned int GLuint;
61 // 4-byte signed
62 typedef int GLsizei;
63 // single precision float
64 typedef float GLfloat;
65 // single precision float in [0,1]
66 typedef float GLclampf;
67 // double precision float
68 typedef double GLdouble;
69 // double precision float in [0,1]
70 typedef double GLclampd;
71 // int whose size is the same as a pointer (?)
72 typedef size_t GLintptrARB;
73 // int whose size is the same as a pointer (?)
74 typedef size_t GLsizeiptrARB;
75
76 #define GL_MODELVIEW                            0x1700
77 #define GL_PROJECTION                           0x1701
78 #define GL_TEXTURE                              0x1702
79 #define GL_MATRIX_MODE                          0x0BA0
80 #define GL_MODELVIEW_MATRIX                     0x0BA6
81 #define GL_PROJECTION_MATRIX                    0x0BA7
82 #define GL_TEXTURE_MATRIX                       0x0BA8
83
84 #define GL_DEPTH_TEST                           0x0B71
85
86 #define GL_CULL_FACE                            0x0B44
87
88 #define GL_BLEND                                0x0BE2
89 #define GL_ALPHA_TEST                   0x0BC0
90
91 #define GL_ZERO                                 0x0
92 #define GL_ONE                                  0x1
93 #define GL_SRC_COLOR                            0x0300
94 #define GL_ONE_MINUS_SRC_COLOR                  0x0301
95 #define GL_DST_COLOR                            0x0306
96 #define GL_ONE_MINUS_DST_COLOR                  0x0307
97 #define GL_SRC_ALPHA                            0x0302
98 #define GL_ONE_MINUS_SRC_ALPHA                  0x0303
99 #define GL_DST_ALPHA                            0x0304
100 #define GL_ONE_MINUS_DST_ALPHA                  0x0305
101 #define GL_SRC_ALPHA_SATURATE                   0x0308
102 #define GL_CONSTANT_COLOR                       0x8001
103 #define GL_ONE_MINUS_CONSTANT_COLOR             0x8002
104 #define GL_CONSTANT_ALPHA                       0x8003
105 #define GL_ONE_MINUS_CONSTANT_ALPHA             0x8004
106
107 #define GL_TEXTURE_ENV                          0x2300
108 #define GL_TEXTURE_ENV_MODE                     0x2200
109 #define GL_TEXTURE_1D                           0x0DE0
110 #define GL_TEXTURE_2D                           0x0DE1
111 #define GL_TEXTURE_WRAP_S                       0x2802
112 #define GL_TEXTURE_WRAP_T                       0x2803
113 #define GL_TEXTURE_WRAP_R                       0x8072
114 #define GL_TEXTURE_BORDER_COLOR                 0x1004
115 #define GL_TEXTURE_MAG_FILTER                   0x2800
116 #define GL_TEXTURE_MIN_FILTER                   0x2801
117 #define GL_PACK_ALIGNMENT                       0x0D05
118 #define GL_UNPACK_ALIGNMENT                     0x0CF5
119 #define GL_TEXTURE_BINDING_1D                   0x8068
120 #define GL_TEXTURE_BINDING_2D                   0x8069
121
122 #define GL_NEAREST                              0x2600
123 #define GL_LINEAR                               0x2601
124 #define GL_NEAREST_MIPMAP_NEAREST               0x2700
125 #define GL_NEAREST_MIPMAP_LINEAR                0x2702
126 #define GL_LINEAR_MIPMAP_NEAREST                0x2701
127 #define GL_LINEAR_MIPMAP_LINEAR                 0x2703
128
129 #define GL_LINE                                 0x1B01
130 #define GL_FILL                                 0x1B02
131
132 extern int gl_support_anisotropy;
133 extern int gl_max_anisotropy;
134 #define GL_TEXTURE_MAX_ANISOTROPY_EXT           0x84FE
135 #define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT       0x84FF
136
137 #define GL_ADD                                  0x0104
138 #define GL_DECAL                                0x2101
139 #define GL_MODULATE                             0x2100
140
141 #define GL_REPEAT                               0x2901
142 #define GL_CLAMP                                0x2900
143
144 #define GL_POINTS                               0x0000
145 #define GL_LINES                                0x0001
146 #define GL_LINE_LOOP                    0x0002
147 #define GL_LINE_STRIP                   0x0003
148 #define GL_TRIANGLES                    0x0004
149 #define GL_TRIANGLE_STRIP               0x0005
150 #define GL_TRIANGLE_FAN                 0x0006
151 #define GL_QUADS                                0x0007
152 #define GL_QUAD_STRIP                   0x0008
153 #define GL_POLYGON                              0x0009
154
155 #define GL_FALSE                                0x0
156 #define GL_TRUE                                 0x1
157
158 #define GL_BYTE                                 0x1400
159 #define GL_UNSIGNED_BYTE                        0x1401
160 #define GL_SHORT                                0x1402
161 #define GL_UNSIGNED_SHORT                       0x1403
162 #define GL_INT                                  0x1404
163 #define GL_UNSIGNED_INT                         0x1405
164 #define GL_FLOAT                                0x1406
165 #define GL_DOUBLE                               0x140A
166 #define GL_2_BYTES                              0x1407
167 #define GL_3_BYTES                              0x1408
168 #define GL_4_BYTES                              0x1409
169
170 #define GL_VERTEX_ARRAY                         0x8074
171 #define GL_NORMAL_ARRAY                         0x8075
172 #define GL_COLOR_ARRAY                          0x8076
173 //#define GL_INDEX_ARRAY                                0x8077
174 #define GL_TEXTURE_COORD_ARRAY                  0x8078
175 //#define GL_EDGE_FLAG_ARRAY                    0x8079
176
177 #define GL_NONE                                 0
178 #define GL_FRONT_LEFT                   0x0400
179 #define GL_FRONT_RIGHT                  0x0401
180 #define GL_BACK_LEFT                    0x0402
181 #define GL_BACK_RIGHT                   0x0403
182 #define GL_FRONT                                0x0404
183 #define GL_BACK                                 0x0405
184 #define GL_LEFT                                 0x0406
185 #define GL_RIGHT                                0x0407
186 #define GL_FRONT_AND_BACK               0x0408
187 #define GL_AUX0                                 0x0409
188 #define GL_AUX1                                 0x040A
189 #define GL_AUX2                                 0x040B
190 #define GL_AUX3                                 0x040C
191
192 #define GL_VENDOR                               0x1F00
193 #define GL_RENDERER                             0x1F01
194 #define GL_VERSION                              0x1F02
195 #define GL_EXTENSIONS                           0x1F03
196
197 #define GL_NO_ERROR                             0x0
198 #define GL_INVALID_VALUE                        0x0501
199 #define GL_INVALID_ENUM                         0x0500
200 #define GL_INVALID_OPERATION                    0x0502
201 #define GL_STACK_OVERFLOW                       0x0503
202 #define GL_STACK_UNDERFLOW                      0x0504
203 #define GL_OUT_OF_MEMORY                        0x0505
204
205 #define GL_DITHER                               0x0BD0
206 #define GL_RGB                                  0x1907
207 #define GL_RGBA                                 0x1908
208
209 #define GL_MAX_TEXTURE_SIZE                     0x0D33
210
211 #define GL_NEVER                                0x0200
212 #define GL_LESS                                 0x0201
213 #define GL_EQUAL                                0x0202
214 #define GL_LEQUAL                               0x0203
215 #define GL_GREATER                              0x0204
216 #define GL_NOTEQUAL                             0x0205
217 #define GL_GEQUAL                               0x0206
218 #define GL_ALWAYS                               0x0207
219 #define GL_DEPTH_TEST                           0x0B71
220
221 #define GL_RED_SCALE                            0x0D14
222 #define GL_GREEN_SCALE                          0x0D18
223 #define GL_BLUE_SCALE                           0x0D1A
224 #define GL_ALPHA_SCALE                          0x0D1C
225
226 #define GL_DEPTH_BUFFER_BIT                     0x00000100
227 #define GL_ACCUM_BUFFER_BIT                     0x00000200
228 #define GL_STENCIL_BUFFER_BIT                   0x00000400
229 #define GL_COLOR_BUFFER_BIT                     0x00004000
230
231 #define GL_STENCIL_TEST                         0x0B90
232 #define GL_KEEP                                 0x1E00
233 #define GL_REPLACE                              0x1E01
234 #define GL_INCR                                 0x1E02
235 #define GL_DECR                                 0x1E03
236
237 #define GL_POLYGON_OFFSET_FACTOR          0x8038
238 #define GL_POLYGON_OFFSET_UNITS           0x2A00
239 #define GL_POLYGON_OFFSET_POINT           0x2A01
240 #define GL_POLYGON_OFFSET_LINE            0x2A02
241 #define GL_POLYGON_OFFSET_FILL            0x8037
242
243 #define GL_POINT_SMOOTH                         0x0B10
244 #define GL_LINE_SMOOTH                          0x0B20
245 #define GL_POLYGON_SMOOTH                       0x0B41
246
247 #define GL_POLYGON_STIPPLE                0x0B42
248
249 #endif
250
251 extern int gl_max_texture_size;
252
253 // GL_ARB_multitexture
254 extern int gl_textureunits;
255 extern void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
256 extern void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
257 extern void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
258 extern void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
259 extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
260 extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
261 #ifndef GL_ACTIVE_TEXTURE_ARB
262 #define GL_ACTIVE_TEXTURE_ARB                   0x84E0
263 #define GL_CLIENT_ACTIVE_TEXTURE_ARB    0x84E1
264 #define GL_MAX_TEXTURE_UNITS_ARB                0x84E2
265 #define GL_TEXTURE0_ARB                                 0x84C0
266 #define GL_TEXTURE1_ARB                                 0x84C1
267 #define GL_TEXTURE2_ARB                                 0x84C2
268 #define GL_TEXTURE3_ARB                                 0x84C3
269 #define GL_TEXTURE4_ARB                                 0x84C4
270 #define GL_TEXTURE5_ARB                                 0x84C5
271 #define GL_TEXTURE6_ARB                                 0x84C6
272 #define GL_TEXTURE7_ARB                                 0x84C7
273 #define GL_TEXTURE8_ARB                                 0x84C8
274 #define GL_TEXTURE9_ARB                                 0x84C9
275 #define GL_TEXTURE10_ARB                                0x84CA
276 #define GL_TEXTURE11_ARB                                0x84CB
277 #define GL_TEXTURE12_ARB                                0x84CC
278 #define GL_TEXTURE13_ARB                                0x84CD
279 #define GL_TEXTURE14_ARB                                0x84CE
280 #define GL_TEXTURE15_ARB                                0x84CF
281 #define GL_TEXTURE16_ARB                                0x84D0
282 #define GL_TEXTURE17_ARB                                0x84D1
283 #define GL_TEXTURE18_ARB                                0x84D2
284 #define GL_TEXTURE19_ARB                                0x84D3
285 #define GL_TEXTURE20_ARB                                0x84D4
286 #define GL_TEXTURE21_ARB                                0x84D5
287 #define GL_TEXTURE22_ARB                                0x84D6
288 #define GL_TEXTURE23_ARB                                0x84D7
289 #define GL_TEXTURE24_ARB                                0x84D8
290 #define GL_TEXTURE25_ARB                                0x84D9
291 #define GL_TEXTURE26_ARB                                0x84DA
292 #define GL_TEXTURE27_ARB                                0x84DB
293 #define GL_TEXTURE28_ARB                                0x84DC
294 #define GL_TEXTURE29_ARB                                0x84DD
295 #define GL_TEXTURE30_ARB                                0x84DE
296 #define GL_TEXTURE31_ARB                                0x84DF
297 #endif
298
299 // GL_EXT_compiled_vertex_array
300 extern int gl_supportslockarrays;
301 extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
302 extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
303
304 // GL_ARB_texture_env_combine
305 extern int gl_combine_extension;
306 #ifndef GL_COMBINE_ARB
307 #define GL_COMBINE_ARB                                  0x8570
308 #define GL_COMBINE_RGB_ARB                              0x8571
309 #define GL_COMBINE_ALPHA_ARB                    0x8572
310 #define GL_SOURCE0_RGB_ARB                              0x8580
311 #define GL_SOURCE1_RGB_ARB                              0x8581
312 #define GL_SOURCE2_RGB_ARB                              0x8582
313 #define GL_SOURCE0_ALPHA_ARB                    0x8588
314 #define GL_SOURCE1_ALPHA_ARB                    0x8589
315 #define GL_SOURCE2_ALPHA_ARB                    0x858A
316 #define GL_OPERAND0_RGB_ARB                             0x8590
317 #define GL_OPERAND1_RGB_ARB                             0x8591
318 #define GL_OPERAND2_RGB_ARB                             0x8592
319 #define GL_OPERAND0_ALPHA_ARB                   0x8598
320 #define GL_OPERAND1_ALPHA_ARB                   0x8599
321 #define GL_OPERAND2_ALPHA_ARB                   0x859A
322 #define GL_RGB_SCALE_ARB                                0x8573
323 #define GL_ADD_SIGNED_ARB                               0x8574
324 #define GL_INTERPOLATE_ARB                              0x8575
325 #define GL_SUBTRACT_ARB                                 0x84E7
326 #define GL_CONSTANT_ARB                                 0x8576
327 #define GL_PRIMARY_COLOR_ARB                    0x8577
328 #define GL_PREVIOUS_ARB                                 0x8578
329 #endif
330
331 #ifndef GL_MAX_ELEMENTS_VERTICES
332 #define GL_MAX_ELEMENTS_VERTICES                0x80E8
333 #endif
334 #ifndef GL_MAX_ELEMENTS_INDICES
335 #define GL_MAX_ELEMENTS_INDICES                 0x80E9
336 #endif
337
338
339 extern int gl_texture3d;
340 extern int gl_max_3d_texture_size;
341 #ifndef GL_TEXTURE_3D
342 #define GL_PACK_SKIP_IMAGES                     0x806B
343 #define GL_PACK_IMAGE_HEIGHT                    0x806C
344 #define GL_UNPACK_SKIP_IMAGES                   0x806D
345 #define GL_UNPACK_IMAGE_HEIGHT                  0x806E
346 #define GL_TEXTURE_3D                           0x806F
347 #define GL_PROXY_TEXTURE_3D                     0x8070
348 #define GL_TEXTURE_DEPTH                        0x8071
349 #define GL_TEXTURE_WRAP_R                       0x8072
350 #define GL_MAX_3D_TEXTURE_SIZE                  0x8073
351 #define GL_TEXTURE_BINDING_3D                   0x806A
352 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);
353 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);
354 extern void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
355 #endif
356
357 extern int gl_texturecubemap;
358 extern int gl_max_cube_map_texture_size;
359 #ifndef GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
360 #define GL_NORMAL_MAP_ARB                           0x8511
361 #define GL_REFLECTION_MAP_ARB               0x8512
362 #define GL_TEXTURE_CUBE_MAP_ARB             0x8513
363 #define GL_TEXTURE_BINDING_CUBE_MAP_ARB     0x8514
364 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB     0x8515
365 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB     0x8516
366 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB     0x8517
367 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB     0x8518
368 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB     0x8519
369 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB     0x851A
370 #define GL_PROXY_TEXTURE_CUBE_MAP_ARB       0x851B
371 #define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB                0x851C
372 #endif
373
374 extern int gl_dot3arb;
375 #ifndef GL_DOT3_RGB_ARB
376 #define GL_DOT3_RGB_ARB                         0x86AE
377 #define GL_DOT3_RGBA_ARB                                0x86AF
378 #endif
379
380 /*
381 // uncomment if this is actually needed by anyone
382 extern int gl_dot3ext;
383 #ifndef GL_DOT3_RGB_EXT
384 #define GL_DOT3_RGB_EXT                         0x8740
385 #define GL_DOT3_RGBA_EXT                        0x8741
386 #endif
387 */
388
389 #ifndef GL_SCISSOR_TEST
390 #define GL_SCISSOR_TEST                         0x0C11
391 #define GL_SCISSOR_BOX                          0x0C10
392 #endif
393
394 // GL_SGIS_texture_edge_clamp or GL_EXT_texture_edge_clamp
395 extern int gl_support_clamptoedge;
396 #ifndef GL_CLAMP_TO_EDGE
397 #define GL_CLAMP_TO_EDGE 0x812F
398 #endif
399
400 //GL_ATI_separate_stencil
401 extern int gl_support_separatestencil;
402 #ifndef GL_STENCIL_BACK_FUNC
403 #define GL_STENCIL_BACK_FUNC              0x8800
404 #define GL_STENCIL_BACK_FAIL              0x8801
405 #define GL_STENCIL_BACK_PASS_DEPTH_FAIL   0x8802
406 #define GL_STENCIL_BACK_PASS_DEPTH_PASS   0x8803
407 #endif
408 extern void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
409 extern void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
410
411 //GL_EXT_stencil_two_side
412 #define GL_STENCIL_TEST_TWO_SIDE_EXT      0x8910
413 #define GL_ACTIVE_STENCIL_FACE_EXT        0x8911
414 extern void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
415 extern int gl_support_stenciltwoside;
416
417 //GL_EXT_blend_minmax
418 extern int gl_support_ext_blend_minmax;
419 #ifndef GL_FUNC_ADD_EXT
420 #define GL_FUNC_ADD_EXT                   0x8006 // also supplied by GL_EXT_blend_subtract
421 #define GL_MIN_EXT                        0x8007
422 #define GL_MAX_EXT                        0x8008
423 #define GL_BLEND_EQUATION_EXT             0x8009 // also supplied by GL_EXT_blend_subtract
424 extern void (GLAPIENTRY *qglBlendEquationEXT)(GLenum); // also supplied by GL_EXT_blend_subtract
425 #endif
426
427 //GL_EXT_blend_subtract
428 extern int gl_support_ext_blend_subtract;
429 #ifndef GL_FUNC_SUBTRACT_EXT
430 #define GL_FUNC_SUBTRACT_EXT              0x800A
431 #define GL_FUNC_REVERSE_SUBTRACT_EXT      0x800B
432 #endif
433
434 //GL_ARB_texture_non_power_of_two
435 extern int gl_support_arb_texture_non_power_of_two;
436
437 //GL_ARB_vertex_buffer_object
438 extern int gl_support_arb_vertex_buffer_object;
439 #ifndef GL_ARRAY_BUFFER_ARB
440 #define GL_ARRAY_BUFFER_ARB               0x8892
441 #define GL_ELEMENT_ARRAY_BUFFER_ARB       0x8893
442 #define GL_ARRAY_BUFFER_BINDING_ARB       0x8894
443 #define GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB 0x8895
444 #define GL_VERTEX_ARRAY_BUFFER_BINDING_ARB 0x8896
445 #define GL_NORMAL_ARRAY_BUFFER_BINDING_ARB 0x8897
446 #define GL_COLOR_ARRAY_BUFFER_BINDING_ARB 0x8898
447 #define GL_INDEX_ARRAY_BUFFER_BINDING_ARB 0x8899
448 #define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB 0x889A
449 #define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB 0x889B
450 #define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB 0x889C
451 #define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB 0x889D
452 #define GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB 0x889E
453 #define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB 0x889F
454 #define GL_STREAM_DRAW_ARB                0x88E0
455 #define GL_STREAM_READ_ARB                0x88E1
456 #define GL_STREAM_COPY_ARB                0x88E2
457 #define GL_STATIC_DRAW_ARB                0x88E4
458 #define GL_STATIC_READ_ARB                0x88E5
459 #define GL_STATIC_COPY_ARB                0x88E6
460 #define GL_DYNAMIC_DRAW_ARB               0x88E8
461 #define GL_DYNAMIC_READ_ARB               0x88E9
462 #define GL_DYNAMIC_COPY_ARB               0x88EA
463 #define GL_READ_ONLY_ARB                  0x88B8
464 #define GL_WRITE_ONLY_ARB                 0x88B9
465 #define GL_READ_WRITE_ARB                 0x88BA
466 #define GL_BUFFER_SIZE_ARB                0x8764
467 #define GL_BUFFER_USAGE_ARB               0x8765
468 #define GL_BUFFER_ACCESS_ARB              0x88BB
469 #define GL_BUFFER_MAPPED_ARB              0x88BC
470 #define GL_BUFFER_MAP_POINTER_ARB         0x88BD
471 #endif
472 extern void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
473 extern void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
474 extern void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
475 extern GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
476 extern GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
477 extern GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
478 extern void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
479 extern void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
480
481 extern void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
482
483 extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
484
485 extern void (GLAPIENTRY *qglClear)(GLbitfield mask);
486
487 extern void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
488 extern void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
489 extern void (GLAPIENTRY *qglCullFace)(GLenum mode);
490
491 extern void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
492 extern void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
493 extern void (GLAPIENTRY *qglEnable)(GLenum cap);
494 extern void (GLAPIENTRY *qglDisable)(GLenum cap);
495 extern GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
496
497 extern void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
498 extern void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
499
500 extern void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
501 extern void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
502 extern void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
503 extern void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
504
505 extern GLenum (GLAPIENTRY *qglGetError)(void);
506 extern const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
507 extern void (GLAPIENTRY *qglFinish)(void);
508 extern void (GLAPIENTRY *qglFlush)(void);
509
510 extern void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
511 extern void (GLAPIENTRY *qglDepthFunc)(GLenum func);
512 extern void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
513 extern void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
514 extern void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
515
516 extern void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
517 extern void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
518 extern void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
519 extern void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
520 extern void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
521 extern void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
522 extern void (GLAPIENTRY *qglArrayElement)(GLint i);
523
524 extern void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
525 extern void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
526 extern void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
527 extern void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
528 extern void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
529 extern void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
530 extern void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
531 extern void (GLAPIENTRY *qglBegin)(GLenum mode);
532 extern void (GLAPIENTRY *qglEnd)(void);
533
534 extern void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
535 extern void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
536 extern void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
537 extern void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
538 extern void (GLAPIENTRY *qglPushMatrix)(void);
539 extern void (GLAPIENTRY *qglPopMatrix)(void);
540 extern void (GLAPIENTRY *qglLoadIdentity)(void);
541 extern void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
542 extern void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
543 extern void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
544 extern void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
545 extern void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
546 extern void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
547 extern void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
548 extern void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
549 extern void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
550 extern void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
551
552 extern void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
553
554 extern void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
555 extern void (GLAPIENTRY *qglStencilMask)(GLuint mask);
556 extern void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
557 extern void (GLAPIENTRY *qglClearStencil)(GLint s);
558
559 extern void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
560 extern void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
561 extern void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
562 extern void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
563 extern void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
564 extern void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
565
566 extern void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
567 extern void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
568 extern void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
569 //extern void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
570 //extern GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
571 extern GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
572 extern void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
573 extern void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
574
575 extern void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
576 extern void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
577 extern void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
578 extern void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
579 extern void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
580 extern void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
581 extern void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
582 extern void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
583
584 extern void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
585 extern void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
586
587 //[515]: added on 29.07.2005
588 extern void (GLAPIENTRY *qglLineWidth)(GLfloat width);
589 extern void (GLAPIENTRY *qglPointSize)(GLfloat size);
590
591 // GL_ARB_shader_objects
592 extern int gl_support_shader_objects;
593 #ifndef GL_PROGRAM_OBJECT_ARB
594 // 1-byte character string
595 typedef char GLcharARB;
596 // 4-byte integer handle to a shader object or program object
597 typedef int GLhandleARB;
598 #endif
599 extern void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
600 extern GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
601 extern void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
602 extern GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
603 extern void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
604 extern void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
605 extern GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
606 extern void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
607 extern void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
608 extern void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
609 extern void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
610 extern void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
611 extern void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
612 extern void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
613 extern void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
614 extern void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
615 extern void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
616 extern void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
617 extern void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
618 extern void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
619 extern void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
620 extern void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
621 extern void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
622 extern void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
623 extern void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
624 extern void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
625 extern void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
626 extern void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
627 extern void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
628 extern void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
629 extern void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
630 extern void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
631 extern void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
632 extern void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
633 extern GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
634 extern void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
635 extern void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
636 extern void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
637 extern void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
638 extern void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
639 #ifndef GL_PROGRAM_OBJECT_ARB
640 #define GL_PROGRAM_OBJECT_ARB                                   0x8B40
641 #define GL_OBJECT_TYPE_ARB                                              0x8B4E
642 #define GL_OBJECT_SUBTYPE_ARB                                   0x8B4F
643 #define GL_OBJECT_DELETE_STATUS_ARB                             0x8B80
644 #define GL_OBJECT_COMPILE_STATUS_ARB                    0x8B81
645 #define GL_OBJECT_LINK_STATUS_ARB                               0x8B82
646 #define GL_OBJECT_VALIDATE_STATUS_ARB                   0x8B83
647 #define GL_OBJECT_INFO_LOG_LENGTH_ARB                   0x8B84
648 #define GL_OBJECT_ATTACHED_OBJECTS_ARB                  0x8B85
649 #define GL_OBJECT_ACTIVE_UNIFORMS_ARB                   0x8B86
650 #define GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB 0x8B87
651 #define GL_OBJECT_SHADER_SOURCE_LENGTH_ARB              0x8B88
652 #define GL_SHADER_OBJECT_ARB                                    0x8B48
653 #define GL_FLOAT                                                                0x1406
654 #define GL_FLOAT_VEC2_ARB                                               0x8B50
655 #define GL_FLOAT_VEC3_ARB                                               0x8B51
656 #define GL_FLOAT_VEC4_ARB                                               0x8B52
657 #define GL_INT                                                                  0x1404
658 #define GL_INT_VEC2_ARB                                                 0x8B53
659 #define GL_INT_VEC3_ARB                                                 0x8B54
660 #define GL_INT_VEC4_ARB                                                 0x8B55
661 #define GL_BOOL_ARB                                                             0x8B56
662 #define GL_BOOL_VEC2_ARB                                                0x8B57
663 #define GL_BOOL_VEC3_ARB                                                0x8B58
664 #define GL_BOOL_VEC4_ARB                                                0x8B59
665 #define GL_FLOAT_MAT2_ARB                                               0x8B5A
666 #define GL_FLOAT_MAT3_ARB                                               0x8B5B
667 #define GL_FLOAT_MAT4_ARB                                               0x8B5C
668 #define GL_SAMPLER_1D_ARB                                               0x8B5D
669 #define GL_SAMPLER_2D_ARB                                               0x8B5E
670 #define GL_SAMPLER_3D_ARB                                               0x8B5F
671 #define GL_SAMPLER_CUBE_ARB                                             0x8B60
672 #define GL_SAMPLER_1D_SHADOW_ARB                                0x8B61
673 #define GL_SAMPLER_2D_SHADOW_ARB                                0x8B62
674 #define GL_SAMPLER_2D_RECT_ARB                                  0x8B63
675 #define GL_SAMPLER_2D_RECT_SHADOW_ARB                   0x8B64
676 #endif
677
678 // GL_ARB_vertex_shader
679 extern int gl_support_vertex_shader;
680 //extern void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
681 //extern void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
682 //extern void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
683 //extern void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
684 //extern void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
685 //extern void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
686 //extern void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
687 //extern void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
688 //extern void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
689 //extern void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
690 //extern void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
691 //extern void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
692 //extern void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
693 //extern void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
694 //extern void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
695 //extern void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
696 //extern void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
697 //extern void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
698 //extern void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
699 //extern void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
700 //extern void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
701 //extern void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
702 //extern void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
703 //extern void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
704 //extern void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
705 //extern void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
706 //extern void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
707 //extern void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
708 //extern void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
709 //extern void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
710 //extern void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
711 //extern void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
712 //extern void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
713 //extern void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
714 //extern void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
715 //extern void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
716 extern void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
717 extern void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
718 extern void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
719 extern void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
720 extern void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
721 extern GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
722 //extern void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
723 //extern void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
724 //extern void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
725 //extern void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
726 #ifndef GL_VERTEX_SHADER_ARB
727 #define GL_VERTEX_SHADER_ARB                                            0x8B31
728 #define GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB            0x8B4A
729 #define GL_MAX_VARYING_FLOATS_ARB                                       0x8B4B
730 #define GL_MAX_VERTEX_ATTRIBS_ARB                                       0x8869
731 #define GL_MAX_TEXTURE_IMAGE_UNITS_ARB                          0x8872
732 #define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB           0x8B4C
733 #define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB         0x8B4D
734 #define GL_MAX_TEXTURE_COORDS_ARB                                       0x8871
735 #define GL_VERTEX_PROGRAM_POINT_SIZE_ARB                        0x8642
736 #define GL_VERTEX_PROGRAM_TWO_SIDE_ARB                          0x8643
737 #define GL_OBJECT_ACTIVE_ATTRIBUTES_ARB                         0x8B89
738 #define GL_OBJECT_ACTIVE_ATTRIBUTE_MAX_LENGTH_ARB       0x8B8A
739 #define GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB                      0x8622
740 #define GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB                         0x8623
741 #define GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB                       0x8624
742 #define GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB                         0x8625
743 #define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB           0x886A
744 #define GL_CURRENT_VERTEX_ATTRIB_ARB                            0x8626
745 #define GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB                      0x8645
746 #define GL_FLOAT                                                                        0x1406
747 #define GL_FLOAT_VEC2_ARB                                                       0x8B50
748 #define GL_FLOAT_VEC3_ARB                                                       0x8B51
749 #define GL_FLOAT_VEC4_ARB                                                       0x8B52
750 #define GL_FLOAT_MAT2_ARB                                                       0x8B5A
751 #define GL_FLOAT_MAT3_ARB                                                       0x8B5B
752 #define GL_FLOAT_MAT4_ARB                                                       0x8B5C
753 #endif
754
755 // GL_ARB_fragment_shader
756 extern int gl_support_fragment_shader;
757 #ifndef GL_FRAGMENT_SHADER_ARB
758 #define GL_FRAGMENT_SHADER_ARB                                          0x8B30
759 #define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB          0x8B49
760 #define GL_MAX_TEXTURE_COORDS_ARB                                       0x8871
761 #define GL_MAX_TEXTURE_IMAGE_UNITS_ARB                          0x8872
762 #define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB          0x8B8B
763 #endif
764
765 // GL_ARB_shading_language_100
766 extern int gl_support_shading_language_100;
767 #ifndef GL_SHADING_LANGUAGE_VERSION_ARB
768 #define GL_SHADING_LANGUAGE_VERSION_ARB                         0x8B8C
769 #endif
770
771 // GL_EXT_bgr
772 #define GL_BGR                                  0x80E0
773
774 // GL_EXT_bgra
775 #define GL_BGRA                                 0x80E1
776
777 #define DEBUGGL
778
779 #ifdef DEBUGGL
780 #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__);}}
781 extern int errornumber;
782 void GL_PrintError(int errornumber, char *filename, int linenumber);
783 #else
784 #define CHECKGLERROR
785 #endif
786
787 #endif
788