summaryrefslogtreecommitdiff
path: root/indra/llrender/llglheaders.h
blob: c7178a55520e276d4a67fd102400ff45b8f3815e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
/** 
 * @file llglheaders.h
 * @brief LLGL definitions
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 * 
 * Copyright (c) 2001-2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LL_LLGLHEADERS_H
#define LL_LLGLHEADERS_H

#if LL_SOLARIS
#   if defined(__sparc)
#      define I_NEED_OS2_H 	//  avoiding BOOL conflicts
#   endif
#   include "GL/gl.h"
#   if defined(__sparc)
#      undef I_NEED_OS2_H
#      ifdef BOOL
#         undef BOOL		// now get rid of Xmd.h crap
#      endif
#   endif
#   include "GL/glx.h"
#   define  GL_GLEXT_PROTOTYPES 1
#   include "GL/glext.h"
#   include "GL/glu.h"
#   include "GL/glx.h"
#   define  GLX_GLXEXT_PROTOTYPES 1
#   include "GL/glxext.h"
//#   define  GLH_EXT_GET_PROC_ADDRESS(p) glXGetProcAddressARB((const GLubyte*)(p))
#   define  GLH_EXT_GET_PROC_ADDRESS(p) glXGetProcAddress((const GLubyte*)(p))
//  the X headers define 'Status'.  Undefine to avoid confusion.
#undef Status

// The __APPLE__ kludge is to make glh_extensions.h not symbol-clash horribly
// This header is distributed with SL.  You'll find it in linden/libraries/include/GL/
# define __APPLE__
# include "GL/glh_extensions.h"
# undef __APPLE__


// GL_ARB_vertex_buffer_object
extern PFNGLBINDBUFFERARBPROC		glBindBufferARB;
extern PFNGLDELETEBUFFERSARBPROC	glDeleteBuffersARB;
extern PFNGLGENBUFFERSARBPROC		glGenBuffersARB;
extern PFNGLISBUFFERARBPROC			glIsBufferARB;
extern PFNGLBUFFERDATAARBPROC		glBufferDataARB;
extern PFNGLBUFFERSUBDATAARBPROC	glBufferSubDataARB;
extern PFNGLGETBUFFERSUBDATAARBPROC glGetBufferSubDataARB;
extern PFNGLMAPBUFFERARBPROC		glMapBufferARB;
extern PFNGLUNMAPBUFFERARBPROC		glUnmapBufferARB;
extern PFNGLGETBUFFERPARAMETERIVARBPROC	glGetBufferParameterivARB;
extern PFNGLGETBUFFERPOINTERVARBPROC	glGetBufferPointervARB;

// GL_ATI_vertex_array_object
extern PFNGLNEWOBJECTBUFFERATIPROC			glNewObjectBufferATI;
extern PFNGLISOBJECTBUFFERATIPROC			glIsObjectBufferATI;
extern PFNGLUPDATEOBJECTBUFFERATIPROC		glUpdateObjectBufferATI;
extern PFNGLGETOBJECTBUFFERFVATIPROC		glGetObjectBufferfvATI;
extern PFNGLGETOBJECTBUFFERIVATIPROC		glGetObjectBufferivATI;
extern PFNGLFREEOBJECTBUFFERATIPROC		    glFreeObjectBufferATI;
extern PFNGLARRAYOBJECTATIPROC				glArrayObjectATI;
extern PFNGLVERTEXATTRIBARRAYOBJECTATIPROC	glVertexAttribArrayObjectATI;
extern PFNGLGETARRAYOBJECTFVATIPROC			glGetArrayObjectfvATI;
extern PFNGLGETARRAYOBJECTIVATIPROC			glGetArrayObjectivATI;
extern PFNGLVARIANTARRAYOBJECTATIPROC		glVariantObjectArrayATI;
extern PFNGLGETVARIANTARRAYOBJECTFVATIPROC	glGetVariantArrayObjectfvATI;
extern PFNGLGETVARIANTARRAYOBJECTIVATIPROC	glGetVariantArrayObjectivATI;

// GL_ARB_occlusion_query
extern PFNGLGENQUERIESARBPROC glGenQueriesARB;
extern PFNGLDELETEQUERIESARBPROC glDeleteQueriesARB;
extern PFNGLISQUERYARBPROC glIsQueryARB;
extern PFNGLBEGINQUERYARBPROC glBeginQueryARB;
extern PFNGLENDQUERYARBPROC glEndQueryARB;
extern PFNGLGETQUERYIVARBPROC glGetQueryivARB;
extern PFNGLGETQUERYOBJECTIVARBPROC glGetQueryObjectivARB;
extern PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB;

// GL_ARB_point_parameters
extern PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB;
extern PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB;

// GL_ARB_shader_objects
extern PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
extern PFNGLGETHANDLEARBPROC glGetHandleARB;
extern PFNGLDETACHOBJECTARBPROC glDetachObjectARB;
extern PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
extern PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
extern PFNGLCOMPILESHADERARBPROC glCompileShaderARB;
extern PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARB;
extern PFNGLATTACHOBJECTARBPROC glAttachObjectARB;
extern PFNGLLINKPROGRAMARBPROC glLinkProgramARB;
extern PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARB;
extern PFNGLVALIDATEPROGRAMARBPROC glValidateProgramARB;
extern PFNGLUNIFORM1FARBPROC glUniform1fARB;
extern PFNGLUNIFORM2FARBPROC glUniform2fARB;
extern PFNGLUNIFORM3FARBPROC glUniform3fARB;
extern PFNGLUNIFORM4FARBPROC glUniform4fARB;
extern PFNGLUNIFORM1IARBPROC glUniform1iARB;
extern PFNGLUNIFORM2IARBPROC glUniform2iARB;
extern PFNGLUNIFORM3IARBPROC glUniform3iARB;
extern PFNGLUNIFORM4IARBPROC glUniform4iARB;
extern PFNGLUNIFORM1FVARBPROC glUniform1fvARB;
extern PFNGLUNIFORM2FVARBPROC glUniform2fvARB;
extern PFNGLUNIFORM3FVARBPROC glUniform3fvARB;
extern PFNGLUNIFORM4FVARBPROC glUniform4fvARB;
extern PFNGLUNIFORM1IVARBPROC glUniform1ivARB;
extern PFNGLUNIFORM2IVARBPROC glUniform2ivARB;
extern PFNGLUNIFORM3IVARBPROC glUniform3ivARB;
extern PFNGLUNIFORM4IVARBPROC glUniform4ivARB;
extern PFNGLUNIFORMMATRIX2FVARBPROC glUniformMatrix2fvARB;
extern PFNGLUNIFORMMATRIX3FVARBPROC glUniformMatrix3fvARB;
extern PFNGLUNIFORMMATRIX4FVARBPROC glUniformMatrix4fvARB;
extern PFNGLGETOBJECTPARAMETERFVARBPROC glGetObjectParameterfvARB;
extern PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
extern PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
extern PFNGLGETATTACHEDOBJECTSARBPROC glGetAttachedObjectsARB;
extern PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocationARB;
extern PFNGLGETACTIVEUNIFORMARBPROC glGetActiveUniformARB;
extern PFNGLGETUNIFORMFVARBPROC glGetUniformfvARB;
extern PFNGLGETUNIFORMIVARBPROC glGetUniformivARB;
extern PFNGLGETSHADERSOURCEARBPROC glGetShaderSourceARB;

// GL_ARB_vertex_shader
extern PFNGLVERTEXATTRIB1DARBPROC glVertexAttrib1dARB;
extern PFNGLVERTEXATTRIB1DVARBPROC glVertexAttrib1dvARB;
extern PFNGLVERTEXATTRIB1FARBPROC glVertexAttrib1fARB;
extern PFNGLVERTEXATTRIB1FVARBPROC glVertexAttrib1fvARB;
extern PFNGLVERTEXATTRIB1SARBPROC glVertexAttrib1sARB;
extern PFNGLVERTEXATTRIB1SVARBPROC glVertexAttrib1svARB;
extern PFNGLVERTEXATTRIB2DARBPROC glVertexAttrib2dARB;
extern PFNGLVERTEXATTRIB2DVARBPROC glVertexAttrib2dvARB;
extern PFNGLVERTEXATTRIB2FARBPROC glVertexAttrib2fARB;
extern PFNGLVERTEXATTRIB2FVARBPROC glVertexAttrib2fvARB;
extern PFNGLVERTEXATTRIB2SARBPROC glVertexAttrib2sARB;
extern PFNGLVERTEXATTRIB2SVARBPROC glVertexAttrib2svARB;
extern PFNGLVERTEXATTRIB3DARBPROC glVertexAttrib3dARB;
extern PFNGLVERTEXATTRIB3DVARBPROC glVertexAttrib3dvARB;
extern PFNGLVERTEXATTRIB3FARBPROC glVertexAttrib3fARB;
extern PFNGLVERTEXATTRIB3FVARBPROC glVertexAttrib3fvARB;
extern PFNGLVERTEXATTRIB3SARBPROC glVertexAttrib3sARB;
extern PFNGLVERTEXATTRIB3SVARBPROC glVertexAttrib3svARB;
extern PFNGLVERTEXATTRIB4NBVARBPROC glVertexAttrib4nbvARB;
extern PFNGLVERTEXATTRIB4NIVARBPROC glVertexAttrib4nivARB;
extern PFNGLVERTEXATTRIB4NSVARBPROC glVertexAttrib4nsvARB;
extern PFNGLVERTEXATTRIB4NUBARBPROC glVertexAttrib4nubARB;
extern PFNGLVERTEXATTRIB4NUBVARBPROC glVertexAttrib4nubvARB;
extern PFNGLVERTEXATTRIB4NUIVARBPROC glVertexAttrib4nuivARB;
extern PFNGLVERTEXATTRIB4NUSVARBPROC glVertexAttrib4nusvARB;
extern PFNGLVERTEXATTRIB4BVARBPROC glVertexAttrib4bvARB;
extern PFNGLVERTEXATTRIB4DARBPROC glVertexAttrib4dARB;
extern PFNGLVERTEXATTRIB4DVARBPROC glVertexAttrib4dvARB;
extern PFNGLVERTEXATTRIB4FARBPROC glVertexAttrib4fARB;
extern PFNGLVERTEXATTRIB4FVARBPROC glVertexAttrib4fvARB;
extern PFNGLVERTEXATTRIB4IVARBPROC glVertexAttrib4ivARB;
extern PFNGLVERTEXATTRIB4SARBPROC glVertexAttrib4sARB;
extern PFNGLVERTEXATTRIB4SVARBPROC glVertexAttrib4svARB;
extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
extern PFNGLBINDPROGRAMARBPROC glBindProgramARB;
extern PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
extern PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
extern PFNGLPROGRAMENVPARAMETER4DARBPROC glProgramEnvParameter4dARB;
extern PFNGLPROGRAMENVPARAMETER4DVARBPROC glProgramEnvParameter4dvARB;
extern PFNGLPROGRAMENVPARAMETER4FARBPROC glProgramEnvParameter4fARB;
extern PFNGLPROGRAMENVPARAMETER4FVARBPROC glProgramEnvParameter4fvARB;
extern PFNGLPROGRAMLOCALPARAMETER4DARBPROC glProgramLocalParameter4dARB;
extern PFNGLPROGRAMLOCALPARAMETER4DVARBPROC glProgramLocalParameter4dvARB;
extern PFNGLPROGRAMLOCALPARAMETER4FARBPROC glProgramLocalParameter4fARB;
extern PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
extern PFNGLGETPROGRAMENVPARAMETERDVARBPROC glGetProgramEnvParameterdvARB;
extern PFNGLGETPROGRAMENVPARAMETERFVARBPROC glGetProgramEnvParameterfvARB;
extern PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glGetProgramLocalParameterdvARB;
extern PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC glGetProgramLocalParameterfvARB;
extern PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
extern PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
extern PFNGLGETVERTEXATTRIBDVARBPROC glGetVertexAttribdvARB;
extern PFNGLGETVERTEXATTRIBFVARBPROC glGetVertexAttribfvARB;
extern PFNGLGETVERTEXATTRIBIVARBPROC glGetVertexAttribivARB;
extern PFNGLGETVERTEXATTRIBPOINTERVARBPROC glGetVertexAttribPointervARB;
extern PFNGLISPROGRAMARBPROC glIsProgramARB;
extern PFNGLBINDATTRIBLOCATIONARBPROC glBindAttribLocationARB;
extern PFNGLGETACTIVEATTRIBARBPROC glGetActiveAttribARB;
extern PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocationARB;

extern PFNGLCOMPRESSEDTEXIMAGE2DARBPROC glCompressedTexImage2DARB;
extern PFNGLGETCOMPRESSEDTEXIMAGEARBPROC glGetCompressedTexImageARB;

extern PFNGLCOLORTABLEEXTPROC glColorTableEXT;

//GL_EXT_framebuffer_object
extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;

#elif LL_MESA
//----------------------------------------------------------------------------
// MESA headers
// quotes so we get libraries/.../GL/ version
#define GL_GLEXT_PROTOTYPES 1
#include "GL/gl.h"
#include "GL/glext.h"
#include "GL/glu.h"

// The __APPLE__ kludge is to make glh_extensions.h not symbol-clash horribly
# define __APPLE__
# include "GL/glh_extensions.h"
# undef __APPLE__

#elif LL_LINUX 
//----------------------------------------------------------------------------
// Linux, MESA headers, but not necessarily assuming MESA runtime.
// quotes so we get libraries/.../GL/ version
#include "GL/gl.h"
#include "GL/glext.h"
#include "GL/glu.h"


#if LL_LINUX && !LL_MESA_HEADLESS
// The __APPLE__ kludge is to make glh_extensions.h not symbol-clash horribly
# define __APPLE__
# include "GL/glh_extensions.h"
# undef __APPLE__

/* Although SDL very likely ends up calling glXGetProcAddress() itself,
   if we use SDL_GL_GetProcAddress() then we get bogus addresses back on
   some systems.  Weird. */
/*# include "SDL/SDL.h"
  # define GLH_EXT_GET_PROC_ADDRESS(p) SDL_GL_GetProcAddress(p) */
#define GLX_GLXEXT_PROTOTYPES 1
# include "GL/glx.h"
# include "GL/glxext.h"
// Use glXGetProcAddressARB instead of glXGetProcAddress - the ARB symbol
// is considered 'legacy' but works on more machines.
# define GLH_EXT_GET_PROC_ADDRESS(p) glXGetProcAddressARB((const GLubyte*)(p))
// Whee, the X headers define 'Status'.  Undefine to avoid confusion.
#undef Status
#endif // LL_LINUX && !LL_MESA_HEADLESS

#if LL_LINUX && defined(WINGDIAPI)
// WINGDIAPI gets set if we are using the linux nvidia gl.h header which needs
// the functions below setting up.
# define LL_LINUX_NV_GL_HEADERS 1
#else
# define LL_LINUX_NV_GL_HEADERS 0
#endif // LL_LINUX && defined(WINGDIAPI)

#if LL_LINUX_NV_GL_HEADERS
// Missing functions when using nvidia headers:
extern PFNGLACTIVETEXTUREARBPROC	glActiveTextureARB;
extern PFNGLCLIENTACTIVETEXTUREARBPROC	glClientActiveTextureARB;
extern PFNGLDRAWRANGEELEMENTSPROC 	glDrawRangeElements;
#endif // LL_LINUX_NV_GL_HEADERS

// GL_ARB_vertex_buffer_object
extern PFNGLBINDBUFFERARBPROC		glBindBufferARB;
extern PFNGLDELETEBUFFERSARBPROC	glDeleteBuffersARB;
extern PFNGLGENBUFFERSARBPROC		glGenBuffersARB;
extern PFNGLISBUFFERARBPROC			glIsBufferARB;
extern PFNGLBUFFERDATAARBPROC		glBufferDataARB;
extern PFNGLBUFFERSUBDATAARBPROC	glBufferSubDataARB;
extern PFNGLGETBUFFERSUBDATAARBPROC glGetBufferSubDataARB;
extern PFNGLMAPBUFFERARBPROC		glMapBufferARB;
extern PFNGLUNMAPBUFFERARBPROC		glUnmapBufferARB;
extern PFNGLGETBUFFERPARAMETERIVARBPROC	glGetBufferParameterivARB;
extern PFNGLGETBUFFERPOINTERVARBPROC	glGetBufferPointervARB;

// GL_ATI_vertex_array_object
extern PFNGLNEWOBJECTBUFFERATIPROC			glNewObjectBufferATI;
extern PFNGLISOBJECTBUFFERATIPROC			glIsObjectBufferATI;
extern PFNGLUPDATEOBJECTBUFFERATIPROC		glUpdateObjectBufferATI;
extern PFNGLGETOBJECTBUFFERFVATIPROC		glGetObjectBufferfvATI;
extern PFNGLGETOBJECTBUFFERIVATIPROC		glGetObjectBufferivATI;
extern PFNGLFREEOBJECTBUFFERATIPROC		    glFreeObjectBufferATI;
extern PFNGLARRAYOBJECTATIPROC				glArrayObjectATI;
extern PFNGLVERTEXATTRIBARRAYOBJECTATIPROC	glVertexAttribArrayObjectATI;
extern PFNGLGETARRAYOBJECTFVATIPROC			glGetArrayObjectfvATI;
extern PFNGLGETARRAYOBJECTIVATIPROC			glGetArrayObjectivATI;
extern PFNGLVARIANTARRAYOBJECTATIPROC		glVariantObjectArrayATI;
extern PFNGLGETVARIANTARRAYOBJECTFVATIPROC	glGetVariantArrayObjectfvATI;
extern PFNGLGETVARIANTARRAYOBJECTIVATIPROC	glGetVariantArrayObjectivATI;

// GL_ARB_occlusion_query
extern PFNGLGENQUERIESARBPROC glGenQueriesARB;
extern PFNGLDELETEQUERIESARBPROC glDeleteQueriesARB;
extern PFNGLISQUERYARBPROC glIsQueryARB;
extern PFNGLBEGINQUERYARBPROC glBeginQueryARB;
extern PFNGLENDQUERYARBPROC glEndQueryARB;
extern PFNGLGETQUERYIVARBPROC glGetQueryivARB;
extern PFNGLGETQUERYOBJECTIVARBPROC glGetQueryObjectivARB;
extern PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB;

// GL_ARB_point_parameters
extern PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB;
extern PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB;

// GL_ARB_shader_objects
extern PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
extern PFNGLGETHANDLEARBPROC glGetHandleARB;
extern PFNGLDETACHOBJECTARBPROC glDetachObjectARB;
extern PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
extern PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
extern PFNGLCOMPILESHADERARBPROC glCompileShaderARB;
extern PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARB;
extern PFNGLATTACHOBJECTARBPROC glAttachObjectARB;
extern PFNGLLINKPROGRAMARBPROC glLinkProgramARB;
extern PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARB;
extern PFNGLVALIDATEPROGRAMARBPROC glValidateProgramARB;
extern PFNGLUNIFORM1FARBPROC glUniform1fARB;
extern PFNGLUNIFORM2FARBPROC glUniform2fARB;
extern PFNGLUNIFORM3FARBPROC glUniform3fARB;
extern PFNGLUNIFORM4FARBPROC glUniform4fARB;
extern PFNGLUNIFORM1IARBPROC glUniform1iARB;
extern PFNGLUNIFORM2IARBPROC glUniform2iARB;
extern PFNGLUNIFORM3IARBPROC glUniform3iARB;
extern PFNGLUNIFORM4IARBPROC glUniform4iARB;
extern PFNGLUNIFORM1FVARBPROC glUniform1fvARB;
extern PFNGLUNIFORM2FVARBPROC glUniform2fvARB;
extern PFNGLUNIFORM3FVARBPROC glUniform3fvARB;
extern PFNGLUNIFORM4FVARBPROC glUniform4fvARB;
extern PFNGLUNIFORM1IVARBPROC glUniform1ivARB;
extern PFNGLUNIFORM2IVARBPROC glUniform2ivARB;
extern PFNGLUNIFORM3IVARBPROC glUniform3ivARB;
extern PFNGLUNIFORM4IVARBPROC glUniform4ivARB;
extern PFNGLUNIFORMMATRIX2FVARBPROC glUniformMatrix2fvARB;
extern PFNGLUNIFORMMATRIX3FVARBPROC glUniformMatrix3fvARB;
extern PFNGLUNIFORMMATRIX4FVARBPROC glUniformMatrix4fvARB;
extern PFNGLGETOBJECTPARAMETERFVARBPROC glGetObjectParameterfvARB;
extern PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
extern PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
extern PFNGLGETATTACHEDOBJECTSARBPROC glGetAttachedObjectsARB;
extern PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocationARB;
extern PFNGLGETACTIVEUNIFORMARBPROC glGetActiveUniformARB;
extern PFNGLGETUNIFORMFVARBPROC glGetUniformfvARB;
extern PFNGLGETUNIFORMIVARBPROC glGetUniformivARB;
extern PFNGLGETSHADERSOURCEARBPROC glGetShaderSourceARB;

// GL_ARB_vertex_shader
extern PFNGLVERTEXATTRIB1DARBPROC glVertexAttrib1dARB;
extern PFNGLVERTEXATTRIB1DVARBPROC glVertexAttrib1dvARB;
extern PFNGLVERTEXATTRIB1FARBPROC glVertexAttrib1fARB;
extern PFNGLVERTEXATTRIB1FVARBPROC glVertexAttrib1fvARB;
extern PFNGLVERTEXATTRIB1SARBPROC glVertexAttrib1sARB;
extern PFNGLVERTEXATTRIB1SVARBPROC glVertexAttrib1svARB;
extern PFNGLVERTEXATTRIB2DARBPROC glVertexAttrib2dARB;
extern PFNGLVERTEXATTRIB2DVARBPROC glVertexAttrib2dvARB;
extern PFNGLVERTEXATTRIB2FARBPROC glVertexAttrib2fARB;
extern PFNGLVERTEXATTRIB2FVARBPROC glVertexAttrib2fvARB;
extern PFNGLVERTEXATTRIB2SARBPROC glVertexAttrib2sARB;
extern PFNGLVERTEXATTRIB2SVARBPROC glVertexAttrib2svARB;
extern PFNGLVERTEXATTRIB3DARBPROC glVertexAttrib3dARB;
extern PFNGLVERTEXATTRIB3DVARBPROC glVertexAttrib3dvARB;
extern PFNGLVERTEXATTRIB3FARBPROC glVertexAttrib3fARB;
extern PFNGLVERTEXATTRIB3FVARBPROC glVertexAttrib3fvARB;
extern PFNGLVERTEXATTRIB3SARBPROC glVertexAttrib3sARB;
extern PFNGLVERTEXATTRIB3SVARBPROC glVertexAttrib3svARB;
extern PFNGLVERTEXATTRIB4NBVARBPROC glVertexAttrib4nbvARB;
extern PFNGLVERTEXATTRIB4NIVARBPROC glVertexAttrib4nivARB;
extern PFNGLVERTEXATTRIB4NSVARBPROC glVertexAttrib4nsvARB;
extern PFNGLVERTEXATTRIB4NUBARBPROC glVertexAttrib4nubARB;
extern PFNGLVERTEXATTRIB4NUBVARBPROC glVertexAttrib4nubvARB;
extern PFNGLVERTEXATTRIB4NUIVARBPROC glVertexAttrib4nuivARB;
extern PFNGLVERTEXATTRIB4NUSVARBPROC glVertexAttrib4nusvARB;
extern PFNGLVERTEXATTRIB4BVARBPROC glVertexAttrib4bvARB;
extern PFNGLVERTEXATTRIB4DARBPROC glVertexAttrib4dARB;
extern PFNGLVERTEXATTRIB4DVARBPROC glVertexAttrib4dvARB;
extern PFNGLVERTEXATTRIB4FARBPROC glVertexAttrib4fARB;
extern PFNGLVERTEXATTRIB4FVARBPROC glVertexAttrib4fvARB;
extern PFNGLVERTEXATTRIB4IVARBPROC glVertexAttrib4ivARB;
extern PFNGLVERTEXATTRIB4SARBPROC glVertexAttrib4sARB;
extern PFNGLVERTEXATTRIB4SVARBPROC glVertexAttrib4svARB;
extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
extern PFNGLBINDPROGRAMARBPROC glBindProgramARB;
extern PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
extern PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
extern PFNGLPROGRAMENVPARAMETER4DARBPROC glProgramEnvParameter4dARB;
extern PFNGLPROGRAMENVPARAMETER4DVARBPROC glProgramEnvParameter4dvARB;
extern PFNGLPROGRAMENVPARAMETER4FARBPROC glProgramEnvParameter4fARB;
extern PFNGLPROGRAMENVPARAMETER4FVARBPROC glProgramEnvParameter4fvARB;
extern PFNGLPROGRAMLOCALPARAMETER4DARBPROC glProgramLocalParameter4dARB;
extern PFNGLPROGRAMLOCALPARAMETER4DVARBPROC glProgramLocalParameter4dvARB;
extern PFNGLPROGRAMLOCALPARAMETER4FARBPROC glProgramLocalParameter4fARB;
extern PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
extern PFNGLGETPROGRAMENVPARAMETERDVARBPROC glGetProgramEnvParameterdvARB;
extern PFNGLGETPROGRAMENVPARAMETERFVARBPROC glGetProgramEnvParameterfvARB;
extern PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glGetProgramLocalParameterdvARB;
extern PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC glGetProgramLocalParameterfvARB;
extern PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
extern PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
extern PFNGLGETVERTEXATTRIBDVARBPROC glGetVertexAttribdvARB;
extern PFNGLGETVERTEXATTRIBFVARBPROC glGetVertexAttribfvARB;
extern PFNGLGETVERTEXATTRIBIVARBPROC glGetVertexAttribivARB;
extern PFNGLGETVERTEXATTRIBPOINTERVARBPROC glGetVertexAttribPointervARB;
extern PFNGLISPROGRAMARBPROC glIsProgramARB;
extern PFNGLBINDATTRIBLOCATIONARBPROC glBindAttribLocationARB;
extern PFNGLGETACTIVEATTRIBARBPROC glGetActiveAttribARB;
extern PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocationARB;

extern PFNGLCOMPRESSEDTEXIMAGE2DARBPROC glCompressedTexImage2DARB;
extern PFNGLGETCOMPRESSEDTEXIMAGEARBPROC glGetCompressedTexImageARB;

//GL_EXT_framebuffer_object
extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;

// GL_EXT_framebuffer_multisample
extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT;

// GL_EXT_framebuffer_blit
extern PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT;

//GL_ARB_draw_buffers
extern PFNGLDRAWBUFFERSARBPROC glDrawBuffersARB;

#elif LL_WINDOWS

// windows gl headers depend on things like APIENTRY, so include windows.
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#include <windows.h>

//----------------------------------------------------------------------------
#include <GL/gl.h>
#include <GL/glu.h>

// quotes so we get libraries/.../GL/ version
#include "GL/glext.h"
#include "GL/glh_extensions.h"


// GL_ARB_vertex_buffer_object
extern PFNGLBINDBUFFERARBPROC		glBindBufferARB;
extern PFNGLDELETEBUFFERSARBPROC	glDeleteBuffersARB;
extern PFNGLGENBUFFERSARBPROC		glGenBuffersARB;
extern PFNGLISBUFFERARBPROC			glIsBufferARB;
extern PFNGLBUFFERDATAARBPROC		glBufferDataARB;
extern PFNGLBUFFERSUBDATAARBPROC	glBufferSubDataARB;
extern PFNGLGETBUFFERSUBDATAARBPROC glGetBufferSubDataARB;
extern PFNGLMAPBUFFERARBPROC		glMapBufferARB;
extern PFNGLUNMAPBUFFERARBPROC		glUnmapBufferARB;
extern PFNGLGETBUFFERPARAMETERIVARBPROC	glGetBufferParameterivARB;
extern PFNGLGETBUFFERPOINTERVARBPROC	glGetBufferPointervARB;

// GL_ATI_vertex_array_object
extern PFNGLNEWOBJECTBUFFERATIPROC			glNewObjectBufferATI;
extern PFNGLISOBJECTBUFFERATIPROC			glIsObjectBufferATI;
extern PFNGLUPDATEOBJECTBUFFERATIPROC		glUpdateObjectBufferATI;
extern PFNGLGETOBJECTBUFFERFVATIPROC		glGetObjectBufferfvATI;
extern PFNGLGETOBJECTBUFFERIVATIPROC		glGetObjectBufferivATI;
extern PFNGLFREEOBJECTBUFFERATIPROC		    glFreeObjectBufferATI;
extern PFNGLARRAYOBJECTATIPROC				glArrayObjectATI;
extern PFNGLVERTEXATTRIBARRAYOBJECTATIPROC	glVertexAttribArrayObjectATI;
extern PFNGLGETARRAYOBJECTFVATIPROC			glGetArrayObjectfvATI;
extern PFNGLGETARRAYOBJECTIVATIPROC			glGetArrayObjectivATI;
extern PFNGLVARIANTARRAYOBJECTATIPROC		glVariantObjectArrayATI;
extern PFNGLGETVARIANTARRAYOBJECTFVATIPROC	glGetVariantArrayObjectfvATI;
extern PFNGLGETVARIANTARRAYOBJECTIVATIPROC	glGetVariantArrayObjectivATI;

extern PFNWGLSWAPINTERVALEXTPROC			wglSwapIntervalEXT;

// GL_ARB_occlusion_query
extern PFNGLGENQUERIESARBPROC glGenQueriesARB;
extern PFNGLDELETEQUERIESARBPROC glDeleteQueriesARB;
extern PFNGLISQUERYARBPROC glIsQueryARB;
extern PFNGLBEGINQUERYARBPROC glBeginQueryARB;
extern PFNGLENDQUERYARBPROC glEndQueryARB;
extern PFNGLGETQUERYIVARBPROC glGetQueryivARB;
extern PFNGLGETQUERYOBJECTIVARBPROC glGetQueryObjectivARB;
extern PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB;

// GL_ARB_point_parameters
extern PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB;
extern PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB;

// GL_ARB_shader_objects
extern PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
extern PFNGLGETHANDLEARBPROC glGetHandleARB;
extern PFNGLDETACHOBJECTARBPROC glDetachObjectARB;
extern PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
extern PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
extern PFNGLCOMPILESHADERARBPROC glCompileShaderARB;
extern PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARB;
extern PFNGLATTACHOBJECTARBPROC glAttachObjectARB;
extern PFNGLLINKPROGRAMARBPROC glLinkProgramARB;
extern PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARB;
extern PFNGLVALIDATEPROGRAMARBPROC glValidateProgramARB;
extern PFNGLUNIFORM1FARBPROC glUniform1fARB;
extern PFNGLUNIFORM2FARBPROC glUniform2fARB;
extern PFNGLUNIFORM3FARBPROC glUniform3fARB;
extern PFNGLUNIFORM4FARBPROC glUniform4fARB;
extern PFNGLUNIFORM1IARBPROC glUniform1iARB;
extern PFNGLUNIFORM2IARBPROC glUniform2iARB;
extern PFNGLUNIFORM3IARBPROC glUniform3iARB;
extern PFNGLUNIFORM4IARBPROC glUniform4iARB;
extern PFNGLUNIFORM1FVARBPROC glUniform1fvARB;
extern PFNGLUNIFORM2FVARBPROC glUniform2fvARB;
extern PFNGLUNIFORM3FVARBPROC glUniform3fvARB;
extern PFNGLUNIFORM4FVARBPROC glUniform4fvARB;
extern PFNGLUNIFORM1IVARBPROC glUniform1ivARB;
extern PFNGLUNIFORM2IVARBPROC glUniform2ivARB;
extern PFNGLUNIFORM3IVARBPROC glUniform3ivARB;
extern PFNGLUNIFORM4IVARBPROC glUniform4ivARB;
extern PFNGLUNIFORMMATRIX2FVARBPROC glUniformMatrix2fvARB;
extern PFNGLUNIFORMMATRIX3FVARBPROC glUniformMatrix3fvARB;
extern PFNGLUNIFORMMATRIX4FVARBPROC glUniformMatrix4fvARB;
extern PFNGLGETOBJECTPARAMETERFVARBPROC glGetObjectParameterfvARB;
extern PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
extern PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
extern PFNGLGETATTACHEDOBJECTSARBPROC glGetAttachedObjectsARB;
extern PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocationARB;
extern PFNGLGETACTIVEUNIFORMARBPROC glGetActiveUniformARB;
extern PFNGLGETUNIFORMFVARBPROC glGetUniformfvARB;
extern PFNGLGETUNIFORMIVARBPROC glGetUniformivARB;
extern PFNGLGETSHADERSOURCEARBPROC glGetShaderSourceARB;

// GL_ARB_vertex_shader
extern PFNGLVERTEXATTRIB1DARBPROC glVertexAttrib1dARB;
extern PFNGLVERTEXATTRIB1DVARBPROC glVertexAttrib1dvARB;
extern PFNGLVERTEXATTRIB1FARBPROC glVertexAttrib1fARB;
extern PFNGLVERTEXATTRIB1FVARBPROC glVertexAttrib1fvARB;
extern PFNGLVERTEXATTRIB1SARBPROC glVertexAttrib1sARB;
extern PFNGLVERTEXATTRIB1SVARBPROC glVertexAttrib1svARB;
extern PFNGLVERTEXATTRIB2DARBPROC glVertexAttrib2dARB;
extern PFNGLVERTEXATTRIB2DVARBPROC glVertexAttrib2dvARB;
extern PFNGLVERTEXATTRIB2FARBPROC glVertexAttrib2fARB;
extern PFNGLVERTEXATTRIB2FVARBPROC glVertexAttrib2fvARB;
extern PFNGLVERTEXATTRIB2SARBPROC glVertexAttrib2sARB;
extern PFNGLVERTEXATTRIB2SVARBPROC glVertexAttrib2svARB;
extern PFNGLVERTEXATTRIB3DARBPROC glVertexAttrib3dARB;
extern PFNGLVERTEXATTRIB3DVARBPROC glVertexAttrib3dvARB;
extern PFNGLVERTEXATTRIB3FARBPROC glVertexAttrib3fARB;
extern PFNGLVERTEXATTRIB3FVARBPROC glVertexAttrib3fvARB;
extern PFNGLVERTEXATTRIB3SARBPROC glVertexAttrib3sARB;
extern PFNGLVERTEXATTRIB3SVARBPROC glVertexAttrib3svARB;
extern PFNGLVERTEXATTRIB4NBVARBPROC glVertexAttrib4nbvARB;
extern PFNGLVERTEXATTRIB4NIVARBPROC glVertexAttrib4nivARB;
extern PFNGLVERTEXATTRIB4NSVARBPROC glVertexAttrib4nsvARB;
extern PFNGLVERTEXATTRIB4NUBARBPROC glVertexAttrib4nubARB;
extern PFNGLVERTEXATTRIB4NUBVARBPROC glVertexAttrib4nubvARB;
extern PFNGLVERTEXATTRIB4NUIVARBPROC glVertexAttrib4nuivARB;
extern PFNGLVERTEXATTRIB4NUSVARBPROC glVertexAttrib4nusvARB;
extern PFNGLVERTEXATTRIB4BVARBPROC glVertexAttrib4bvARB;
extern PFNGLVERTEXATTRIB4DARBPROC glVertexAttrib4dARB;
extern PFNGLVERTEXATTRIB4DVARBPROC glVertexAttrib4dvARB;
extern PFNGLVERTEXATTRIB4FARBPROC glVertexAttrib4fARB;
extern PFNGLVERTEXATTRIB4FVARBPROC glVertexAttrib4fvARB;
extern PFNGLVERTEXATTRIB4IVARBPROC glVertexAttrib4ivARB;
extern PFNGLVERTEXATTRIB4SARBPROC glVertexAttrib4sARB;
extern PFNGLVERTEXATTRIB4SVARBPROC glVertexAttrib4svARB;
extern PFNGLVERTEXATTRIB4UBVARBPROC glVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC glVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4USVARBPROC glVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
extern PFNGLBINDPROGRAMARBPROC glBindProgramARB;
extern PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
extern PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
extern PFNGLPROGRAMENVPARAMETER4DARBPROC glProgramEnvParameter4dARB;
extern PFNGLPROGRAMENVPARAMETER4DVARBPROC glProgramEnvParameter4dvARB;
extern PFNGLPROGRAMENVPARAMETER4FARBPROC glProgramEnvParameter4fARB;
extern PFNGLPROGRAMENVPARAMETER4FVARBPROC glProgramEnvParameter4fvARB;
extern PFNGLPROGRAMLOCALPARAMETER4DARBPROC glProgramLocalParameter4dARB;
extern PFNGLPROGRAMLOCALPARAMETER4DVARBPROC glProgramLocalParameter4dvARB;
extern PFNGLPROGRAMLOCALPARAMETER4FARBPROC glProgramLocalParameter4fARB;
extern PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
extern PFNGLGETPROGRAMENVPARAMETERDVARBPROC glGetProgramEnvParameterdvARB;
extern PFNGLGETPROGRAMENVPARAMETERFVARBPROC glGetProgramEnvParameterfvARB;
extern PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glGetProgramLocalParameterdvARB;
extern PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC glGetProgramLocalParameterfvARB;
extern PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
extern PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
extern PFNGLGETVERTEXATTRIBDVARBPROC glGetVertexAttribdvARB;
extern PFNGLGETVERTEXATTRIBFVARBPROC glGetVertexAttribfvARB;
extern PFNGLGETVERTEXATTRIBIVARBPROC glGetVertexAttribivARB;
extern PFNGLGETVERTEXATTRIBPOINTERVARBPROC glGetVertexAttribPointervARB;
extern PFNGLISPROGRAMARBPROC glIsProgramARB;
extern PFNGLBINDATTRIBLOCATIONARBPROC glBindAttribLocationARB;
extern PFNGLGETACTIVEATTRIBARBPROC glGetActiveAttribARB;
extern PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocationARB;

//GL_EXT_framebuffer_object
extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;

// GL_EXT_framebuffer_multisample
extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT;

// GL_EXT_framebuffer_blit
extern PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT;

//GL_ARB_draw_buffers
extern PFNGLDRAWBUFFERSARBPROC glDrawBuffersARB;

#elif LL_DARWIN
//----------------------------------------------------------------------------
// LL_DARWIN

#include <OpenGL/gl.h>
#include <OpenGL/glu.h>

#define GL_EXT_separate_specular_color 1
#include <OpenGL/glext.h>

#include "GL/glh_extensions.h"

// These symbols don't exist on 10.3.9, so they have to be declared weak.  Redeclaring them here fixes the problem.
// Note that they also must not be called on 10.3.9.  This should be taken care of by a runtime check for the existence of the GL extension.
#include <AvailabilityMacros.h>

// GL_EXT_framebuffer_object
extern GLboolean glIsRenderbufferEXT(GLuint renderbuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glBindRenderbufferEXT(GLenum target, GLuint renderbuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glDeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glGenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glRenderbufferStorageEXT(GLenum target, GLenum internalformat, GLsizei width, GLsizei height) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glGetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern GLboolean glIsFramebufferEXT(GLuint framebuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glBindFramebufferEXT(GLenum target, GLuint framebuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glDeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glGenFramebuffersEXT(GLsizei n, GLuint *framebuffers) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern GLenum glCheckFramebufferStatusEXT(GLenum target) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glFramebufferTexture1DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glFramebufferTexture2DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glFramebufferTexture3DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glFramebufferRenderbufferEXT(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glGetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment, GLenum pname, GLint *params) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
extern void glGenerateMipmapEXT(GLenum target) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;

// GL_ARB_draw_buffers
extern void glDrawBuffersARB(GLsizei n, const GLenum* bufs) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;

#ifdef __cplusplus
extern "C" {
#endif
//
// Define vertex buffer object headers on Mac
//
#ifndef GL_ARB_vertex_buffer_object
#define GL_BUFFER_SIZE_ARB                0x8764
#define GL_BUFFER_USAGE_ARB               0x8765
#define GL_ARRAY_BUFFER_ARB               0x8892
#define GL_ELEMENT_ARRAY_BUFFER_ARB       0x8893
#define GL_ARRAY_BUFFER_BINDING_ARB       0x8894
#define GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB 0x8895
#define GL_VERTEX_ARRAY_BUFFER_BINDING_ARB 0x8896
#define GL_NORMAL_ARRAY_BUFFER_BINDING_ARB 0x8897
#define GL_COLOR_ARRAY_BUFFER_BINDING_ARB 0x8898
#define GL_INDEX_ARRAY_BUFFER_BINDING_ARB 0x8899
#define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB 0x889A
#define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB 0x889B
#define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB 0x889C
#define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB 0x889D
#define GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB 0x889E
#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB 0x889F
#define GL_READ_ONLY_ARB                  0x88B8
#define GL_WRITE_ONLY_ARB                 0x88B9
#define GL_READ_WRITE_ARB                 0x88BA
#define GL_BUFFER_ACCESS_ARB              0x88BB
#define GL_BUFFER_MAPPED_ARB              0x88BC
#define GL_BUFFER_MAP_POINTER_ARB         0x88BD
#define GL_STREAM_DRAW_ARB                0x88E0
#define GL_STREAM_READ_ARB                0x88E1
#define GL_STREAM_COPY_ARB                0x88E2
#define GL_STATIC_DRAW_ARB                0x88E4
#define GL_STATIC_READ_ARB                0x88E5
#define GL_STATIC_COPY_ARB                0x88E6
#define GL_DYNAMIC_DRAW_ARB               0x88E8
#define GL_DYNAMIC_READ_ARB               0x88E9
#define GL_DYNAMIC_COPY_ARB               0x88EA
#endif



#ifndef GL_ARB_vertex_buffer_object
/* GL types for handling large vertex buffer objects */
typedef intptr_t GLintptrARB;
typedef intptr_t GLsizeiptrARB;
#endif


#ifndef GL_ARB_vertex_buffer_object
#define GL_ARB_vertex_buffer_object 1
#ifdef GL_GLEXT_FUNCTION_POINTERS
typedef void (* glBindBufferARBProcPtr) (GLenum target, GLuint buffer);
typedef void (* glDeleteBufferARBProcPtr) (GLsizei n, const GLuint *buffers);
typedef void (* glGenBuffersARBProcPtr) (GLsizei n, GLuint *buffers);
typedef GLboolean (* glIsBufferARBProcPtr) (GLuint buffer);
typedef void (* glBufferDataARBProcPtr) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
typedef void (* glBufferSubDataARBProcPtr) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
typedef void (* glGetBufferSubDataARBProcPtr) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, GLvoid *data);
typedef GLvoid* (* glMapBufferARBProcPtr) (GLenum target, GLenum access);	/* Flawfinder: ignore */
typedef GLboolean (* glUnmapBufferARBProcPtr) (GLenum target);
typedef void (* glGetBufferParameterivARBProcPtr) (GLenum target, GLenum pname, GLint *params);
typedef void (* glGetBufferPointervARBProcPtr) (GLenum target, GLenum pname, GLvoid* *params);
#else
extern void glBindBufferARB (GLenum, GLuint);
extern void glDeleteBuffersARB (GLsizei, const GLuint *);
extern void glGenBuffersARB (GLsizei, GLuint *);
extern GLboolean glIsBufferARB (GLuint);
extern void glBufferDataARB (GLenum, GLsizeiptrARB, const GLvoid *, GLenum);
extern void glBufferSubDataARB (GLenum, GLintptrARB, GLsizeiptrARB, const GLvoid *);
extern void glGetBufferSubDataARB (GLenum, GLintptrARB, GLsizeiptrARB, GLvoid *);
extern GLvoid* glMapBufferARB (GLenum, GLenum);
extern GLboolean glUnmapBufferARB (GLenum);
extern void glGetBufferParameterivARB (GLenum, GLenum, GLint *);
extern void glGetBufferPointervARB (GLenum, GLenum, GLvoid* *);
#endif /* GL_GLEXT_FUNCTION_POINTERS */
#endif

// May be needed for DARWIN...
// #ifndef GL_ARB_compressed_tex_image
// #define GL_ARB_compressed_tex_image 1
// #ifdef GL_GLEXT_FUNCTION_POINTERS
// typedef void (* glCompressedTexImage1D) (GLenum, GLint, GLenum, GLsizei, GLint, GLsizei, const GLvoid*);
// typedef void (* glCompressedTexImage2D) (GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const GLvoid*);
// typedef void (* glCompressedTexImage3D) (GLenum, GLint, GLenum, GLsizei, GLsizei, GLsizei, GLint, GLsizei, const GLvoid*);
// typedef void (* glCompressedTexSubImage1D) (GLenum, GLint, GLint, GLsizei, GLenum, GLsizei, const GLvoid*);
// typedef void (* glCompressedTexSubImage2D) (GLenum, GLint, GLint, GLint, GLsizei, GLsizei, GLenum, GLsizei, const GLvoid*);
// typedef void (* glCompressedTexSubImage3D) (GLenum, GLint, GLint, GLint, GLint, GLsizei, GLsizei, GLsizei, GLenum, GLsizei, const GLvoid*);
// typedef void (* glGetCompressedTexImage) (GLenum, GLint, GLvoid*);
// #else
// extern void glCompressedTexImage1D (GLenum, GLint, GLenum, GLsizei, GLint, GLsizei, const GLvoid*);
// extern void glCompressedTexImage2D (GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const GLvoid*);
// extern void glCompressedTexImage3D (GLenum, GLint, GLenum, GLsizei, GLsizei, GLsizei, GLint, GLsizei, const GLvoid*);
// extern void glCompressedTexSubImage1D (GLenum, GLint, GLint, GLsizei, GLenum, GLsizei, const GLvoid*);
// extern void glCompressedTexSubImage2D (GLenum, GLint, GLint, GLint, GLsizei, GLsizei, GLenum, GLsizei, const GLvoid*);
// extern void glCompressedTexSubImage3D (GLenum, GLint, GLint, GLint, GLint, GLsizei, GLsizei, GLsizei, GLenum, GLsizei, const GLvoid*);
// extern void glGetCompressedTexImage (GLenum, GLint, GLvoid*);
// #endif /* GL_GLEXT_FUNCTION_POINTERS */
// #endif

#ifdef __cplusplus
}
#endif

#include <AGL/gl.h>

#endif // LL_MESA / LL_WINDOWS / LL_DARWIN


#endif // LL_LLGLHEADERS_H