summaryrefslogtreecommitdiff
path: root/Build/source/utils/asymptote/cudareflect/tinyexr/examples/exrview/OpenGLWindow/X11OpenGLWindow.cpp
blob: 68aa22720b9acae4042ddd02d6a626a02de95b65 (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
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
#include "X11OpenGLWindow.h"
#include "OpenGLInclude.h"

#include<stdio.h>
#include<stdlib.h>
#ifdef GLEW_STATIC
#include "CustomGL/glew.h"
#else
#include <GL/glew.h>
#endif//GLEW_STATIC

#ifdef GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS
#include "CustomGL/glxew.h"
#else
#include<GL/glx.h>
#endif // GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS
#include <assert.h>

//#define DYNAMIC_LOAD_X11_FUNCTIONS
#ifdef DYNAMIC_LOAD_X11_FUNCTIONS
#include <dlfcn.h>
#endif //DYNAMIC_LOAD_X11_FUNCTIONS

//#include<X11/X.h>
//#include<X11/Xlib.h>
//#include<GL/gl.h>

//defined in GL/glxew.h
//#include<GL/glu.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <pthread.h>

GLint                   att[] = { GLX_RGBA,
GLX_DEPTH_SIZE, 24,
GLX_RED_SIZE        , 8,
GLX_GREEN_SIZE      , 8,
GLX_BLUE_SIZE       , 8,
GLX_ALPHA_SIZE      , 8,
GLX_STENCIL_SIZE    , 8,
GLX_DOUBLEBUFFER,
None };
/*
 static int att[] =
            {
                GLX_RGBA, GLX_DEPTH_SIZE, 24, GLX_DOUBLEBUFFER, None

              GLX_X_RENDERABLE    , True,
              GLX_DRAWABLE_TYPE   , GLX_WINDOW_BIT,
              GLX_RENDER_TYPE     , GLX_RGBA_BIT,
              GLX_X_VISUAL_TYPE   , GLX_TRUE_COLOR,
              GLX_RED_SIZE        , 8,
              GLX_GREEN_SIZE      , 8,
              GLX_BLUE_SIZE       , 8,
              GLX_ALPHA_SIZE      , 8,
              GLX_DEPTH_SIZE      , 24,
              GLX_STENCIL_SIZE    , 8,
              GLX_DOUBLEBUFFER    , True,
              None
            };
*/
static bool forceOpenGL3 = true;



#ifdef DYNAMIC_LOAD_X11_FUNCTIONS

///our X11 function typedefs

typedef int (*PFNXFREE)(void*);
typedef XErrorHandler (* PFNXSETERRORHANDLER) (XErrorHandler);
typedef int (* PFNXSYNC) (Display* a,Bool b);
typedef Display* (* PFNXOPENDISPLAY) (_Xconst char* a);
typedef Colormap (*PFNXCREATECOLORMAP) (Display* a,Window b,Visual* c,int d);
typedef Window (*PFNXCREATEWINDOW) (Display* a,Window b,int c,int d,unsigned int e,unsigned int f,unsigned int g,int h,unsigned int i,Visual* j,unsigned long k,XSetWindowAttributes* l);
typedef int (*PFNXMAPWINDOW) (Display*, Window);
typedef int (*PFNXSTORENAME) (Display* a,Window b,_Xconst char* c);
typedef int (*PFNXCLOSEDISPLAY) (Display* a);
typedef int (*PFNXDESTROYWINDOW) (Display* a,Window b);
typedef int (*PFNXRAISEWINDOW) (Display* a, Window b);

#if NeedWidePrototypes
	typedef KeySym* (*PFNXGETKEYBOARDMAPPING) (Display*,unsigned int,int,int*);
	typedef KeySym (*PFNXKEYCODETOKEYSYM) (Display* a,unsigned int b,int c);
#else
	typedef KeySym* (*PFNXGETKEYBOARDMAPPING) (Display*,KeyCode,int,int*);
	typedef KeySym (*PFNXKEYCODETOKEYSYM) (Display* a,KeyCode b,int c);
#endif
typedef void	(*PFNXCONVERTCASE) (KeySym /* sym */,KeySym *		/* lower */,KeySym * /* upper */);
typedef int (*PFNXPENDING) (Display* a);
typedef int (*PFNXNEXTEVENT) (Display* a,XEvent* b);
typedef int (*PFNXEVENTSQUEUED) (Display* a,int b);
typedef int (*PFNXPEEKEVENT) (Display* a,XEvent* b);
typedef KeySym (*PFNXLOOKUPKEYSYM) (XKeyEvent* a,int b);
typedef Status (*PFNXGETWINDOWATTRIBUTES) (Display* a,Window b,XWindowAttributes* c);

#define X11_LIBRARY "libX11.so.6"

#define MyXSync m_data->m_x11_XSync
#define MyXGetKeyboardMapping m_data->m_x11_XGetKeyboardMapping
#define MyXSetErrorHandler m_data->m_x11_XSetErrorHandler
#define MyXOpenDisplay m_data->m_x11_XOpenDisplay
#define MyXCreateColormap m_data->m_x11_XCreateColormap
#define MyXCreateWindow m_data->m_x11_XCreateWindow
#define MyXMapWindow m_data->m_x11_XMapWindow
#define MyXStoreName m_data->m_x11_XStoreName
#define MyXDestroyWindow m_data->m_x11_XDestroyWindow
#define MyXRaiseWindow m_data->m_x11_XRaiseWindow
#define MyXCloseDisplay m_data->m_x11_XCloseDisplay
#define MyXKeycodeToKeysym m_data->m_x11_XKeycodeToKeysym
#define MyXConvertCase m_data->m_x11_XConvertCase
#define MyXPending m_data->m_x11_XPending
#define MyXNextEvent m_data->m_x11_XNextEvent
#define MyXEventsQueued m_data->m_x11_XEventsQueued
#define MyXPeekEvent m_data->m_x11_XPeekEvent
#define MyXNextEvent m_data->m_x11_XNextEvent
#define MyXGetWindowAttributes m_data->m_x11_XGetWindowAttributes
#define MyXStoreName m_data->m_x11_XStoreName
#define MyXFree m_data->m_x11_XFree
#define MyXMapWindow m_data->m_x11_XMapWindow
#define MyXStoreName m_data->m_x11_XStoreName
#define MyXLookupKeysym m_data->m_x11_XLookupKeysym

#else
#define MyXSync XSync
#define MyXGetKeyboardMapping XGetKeyboardMapping
#define MyXSetErrorHandler XSetErrorHandler
#define MyXOpenDisplay XOpenDisplay
#define MyXCreateColormap XCreateColormap
#define MyXCreateWindow XCreateWindow
#define MyXMapWindow XMapWindow
#define MyXStoreName XStoreName
#define MyXDestroyWindow XDestroyWindow
#define MyXRaiseWindow XRaiseWindow
#define MyXCloseDisplay XCloseDisplay
#define MyXKeycodeToKeysym XKeycodeToKeysym
#define MyXConvertCase XConvertCase
#define MyXPending XPending
#define MyXNextEvent XNextEvent
#define MyXEventsQueued XEventsQueued
#define MyXPeekEvent XPeekEvent
#define MyXNextEvent XNextEvent
#define MyXGetWindowAttributes XGetWindowAttributes
#define MyXStoreName XStoreName
#define MyXFree XFree
#define MyXMapWindow XMapWindow
#define MyXStoreName XStoreName
#define MyXLookupKeysym XLookupKeysym

#endif//DYNAMIC_LOAD_X11_FUNCTIONS

enum
{
	MY_X11_ALT_KEY = 1,
	MY_X11_SHIFT_KEY = 2,
	MY_X11_CONTROL_KEY = 4
};

struct InternalData2
{
    Display*                m_dpy;
    Window                  m_root;
    XVisualInfo*            m_vi;
    Colormap                m_cmap;
    XSetWindowAttributes    m_swa;
    Window                  m_win;
    GLXContext              m_glc;
    XWindowAttributes       m_gwa;
    XEvent                  m_xev;
    GLXFBConfig             m_bestFbc;
    int			    m_modifierFlags;
    int			    m_glWidth;
    int			    m_glHeight;

#ifdef DYNAMIC_LOAD_X11_FUNCTIONS
	//dynamically load stuff
	void*									m_x11_library;
	PFNXFREE							m_x11_XFree;
	PFNXSETERRORHANDLER		m_x11_XSetErrorHandler;
	PFNXSYNC							m_x11_XSync;
	PFNXOPENDISPLAY				m_x11_XOpenDisplay;
	PFNXCREATECOLORMAP		m_x11_XCreateColormap;
	PFNXCREATEWINDOW			m_x11_XCreateWindow;
	PFNXMAPWINDOW					m_x11_XMapWindow;
	PFNXSTORENAME					m_x11_XStoreName;
	PFNXCLOSEDISPLAY			m_x11_XCloseDisplay;
	PFNXDESTROYWINDOW			m_x11_XDestroyWindow;
	PFNXRAISEWINDOW				m_x11_XRaiseWindow;
	PFNXKEYCODETOKEYSYM		m_x11_XKeycodeToKeysym;
	PFNXGETKEYBOARDMAPPING m_x11_XGetKeyboardMapping;
	PFNXCONVERTCASE				m_x11_XConvertCase;
	PFNXPENDING						m_x11_XPending;
	PFNXNEXTEVENT					m_x11_XNextEvent;
	PFNXEVENTSQUEUED			m_x11_XEventsQueued;
	PFNXPEEKEVENT					m_x11_XPeekEvent;
	PFNXLOOKUPKEYSYM			m_x11_XLookupKeysym;
	PFNXGETWINDOWATTRIBUTES m_x11_XGetWindowAttributes;
#endif //DYNAMIC_LOAD_X11_FUNCTIONS

	b3WheelCallback m_wheelCallback;
	b3MouseMoveCallback	m_mouseMoveCallback;
	b3MouseButtonCallback	m_mouseButtonCallback;
	b3ResizeCallback		m_resizeCallback;
	b3KeyboardCallback	m_keyboardCallback;

	InternalData2()
	:m_dpy(0),
	m_vi(0),
	m_modifierFlags(0),
	m_glWidth(-1),
	m_glHeight(-1),
	m_wheelCallback(0),
	m_mouseMoveCallback(0),
	m_mouseButtonCallback(0),
	m_resizeCallback(0),
	m_keyboardCallback(0)
	{
#ifdef DYNAMIC_LOAD_X11_FUNCTIONS
		 m_x11_library = dlopen(X11_LIBRARY, RTLD_LOCAL | RTLD_NOW);
		 if (!m_x11_library)
		{
			printf("Error opening X11 library %s\n", X11_LIBRARY);
			exit(0);
		}

		bool missingFunc = false;

		missingFunc = ((m_x11_XFree = (PFNXFREE)  dlsym(m_x11_library, "XFree"))==NULL) | missingFunc;
		assert(!missingFunc);
		if (missingFunc)		{ printf("Error: missing func XFree in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XSetErrorHandler = (PFNXSETERRORHANDLER) dlsym(m_x11_library,"XSetErrorHandler"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XSetErrorHandler in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XSetErrorHandler = (PFNXSETERRORHANDLER) dlsym(m_x11_library,"XSetErrorHandler"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XSetErrorHandler in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XSync = (PFNXSYNC) dlsym(m_x11_library,"XSync"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XSync in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XOpenDisplay = (PFNXOPENDISPLAY) dlsym(m_x11_library,"XOpenDisplay"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XOpenDisplay in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XCreateColormap = (PFNXCREATECOLORMAP) dlsym(m_x11_library,"XCreateColormap"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XCreateColormap in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XCreateWindow = (PFNXCREATEWINDOW) dlsym(m_x11_library,"XCreateWindow"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XCreateWindow in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XMapWindow = (PFNXMAPWINDOW) dlsym(m_x11_library,"XMapWindow"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XMapWindow in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XStoreName = (PFNXSTORENAME) dlsym(m_x11_library,"XStoreName"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XStoreName in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XCloseDisplay = (PFNXCLOSEDISPLAY) dlsym(m_x11_library,"XCloseDisplay"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XCloseDisplay in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XDestroyWindow = (PFNXDESTROYWINDOW) dlsym(m_x11_library,"XDestroyWindow"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XDestroyWindow in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XRaiseWindow = (PFNXRAISEWINDOW) dlsym(m_x11_library,"XRaiseWindow"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XRaiseWindow in %s, exiting!\n", X11_LIBRARY);	exit(0);}

		missingFunc = ((m_x11_XGetKeyboardMapping = (PFNXGETKEYBOARDMAPPING) dlsym(m_x11_library,"XGetKeyboardMapping"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XGetKeyboardMapping in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XKeycodeToKeysym = (PFNXKEYCODETOKEYSYM) dlsym(m_x11_library,"XKeycodeToKeysym"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XKeycodeToKeysym in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XConvertCase = (PFNXCONVERTCASE) dlsym(m_x11_library,"XConvertCase"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XConvertCase in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XPending = (PFNXPENDING) dlsym(m_x11_library,"XPending"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XPending in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XNextEvent = (PFNXNEXTEVENT) dlsym(m_x11_library,"XNextEvent"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XNextEvent in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XEventsQueued = (PFNXEVENTSQUEUED) dlsym(m_x11_library,"XEventsQueued"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XEventsQueued in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XPeekEvent = (PFNXPEEKEVENT) dlsym(m_x11_library,"XPeekEvent"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XPeekEvent in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XLookupKeysym = (PFNXLOOKUPKEYSYM) dlsym(m_x11_library,"XLookupKeysym"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XLookupKeysym in %s, exiting!\n", X11_LIBRARY);	exit(0);}
		missingFunc = ((m_x11_XGetWindowAttributes = (PFNXGETWINDOWATTRIBUTES) dlsym(m_x11_library,"XGetWindowAttributes"))==NULL) | missingFunc;
		if (missingFunc)		{ printf("Error: missing func XGetWindowAttributes in %s, exiting!\n", X11_LIBRARY);	exit(0);}

		if (missingFunc)
		{
			printf("Error: a missing func in %s, exiting!\n", X11_LIBRARY);
			exit(0);
		} else
		{
			printf("X11 functions dynamically loaded using dlopen/dlsym OK!\n");
		}
#endif //DYNAMIC_LOAD_X11_FUNCTIONS
	}
};

#define GLX_CONTEXT_MAJOR_VERSION_ARB       0x2091
#define GLX_CONTEXT_MINOR_VERSION_ARB       0x2092
typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, Bool, const int*);

// Helper to check for extension string presence.  Adapted from:
//   http://www.opengl.org/resources/features/OGLextensions/
static bool isExtensionSupported(const char *extList, const char *extension)
{
  const char *start;
  const char *where, *terminator;

  /* Extension names should not have spaces. */
  where = strchr(extension, ' ');
  if (where || *extension == '\0')
    return false;

  /* It takes a bit of care to be fool-proof about parsing the
     OpenGL extensions string. Don't be fooled by sub-strings,
     etc. */
  for (start=extList;;) {
    where = strstr(start, extension);

    if (!where)
      break;

    terminator = where + strlen(extension);

    if ( where == start || *(where - 1) == ' ' )
      if ( *terminator == ' ' || *terminator == '\0' )
        return true;

    start = terminator;
  }

  return false;
}

static bool ctxErrorOccurred = false;
static int ctxErrorHandler( Display *dpy, XErrorEvent *ev )
{
    ctxErrorOccurred = true;
    return 0;
}




X11OpenGLWindow::X11OpenGLWindow()
:m_OpenGLInitialized(false),
m_requestedExit(false)
{
    m_data = new InternalData2;
}

X11OpenGLWindow::~X11OpenGLWindow()
{
    if (m_OpenGLInitialized)
    {
        disableOpenGL();
    }

    delete m_data;
}



void X11OpenGLWindow::enableOpenGL()
{


    if (forceOpenGL3)
    {
 // Get the default screen's GLX extension list
  const char *glxExts = glXQueryExtensionsString( m_data->m_dpy,
                                                  DefaultScreen( m_data->m_dpy ) );

  // NOTE: It is not necessary to create or make current to a context before
  // calling glXGetProcAddressARB, unless we dynamically load OpenGL/GLX/X11

  glXCreateContextAttribsARBProc glXCreateContextAttribsARB = 0;
  glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc)
           glXGetProcAddressARB( (const GLubyte *) "glXCreateContextAttribsARB" );

  GLXContext ctx = 0;

  // Install an X error handler so the application won't exit if GL 3.0
  // context allocation fails.
  //
  // Note this error handler is global.  All display connections in all threads
  // of a process use the same error handler, so be sure to guard against other
  // threads issuing X commands while this code is running.
  ctxErrorOccurred = false;
  int (*oldHandler)(Display*, XErrorEvent*) =
         MyXSetErrorHandler(&ctxErrorHandler);

  // Check for the GLX_ARB_create_context extension string and the function.
  // If either is not present, use GLX 1.3 context creation method.
  if ( !isExtensionSupported( glxExts, "GLX_ARB_create_context" ) ||
       !glXCreateContextAttribsARB )
  {
    printf( "glXCreateContextAttribsARB() not found"
            " ... using old-style GLX context\n" );
    ctx = glXCreateNewContext( m_data->m_dpy, m_data->m_bestFbc, GLX_RGBA_TYPE, 0, True );
  }

  // If it does, try to get a GL 3.0 context!
  else
  {
	 int context_attribs[] = {
          GLX_CONTEXT_MAJOR_VERSION_ARB ,3,
          GLX_CONTEXT_MINOR_VERSION_ARB, 2,
          GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_DEBUG_BIT_ARB,
          GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,None
     };
/*
    int context_attribs[] =
      {
        GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
        GLX_CONTEXT_MINOR_VERSION_ARB, 2,

        //GLX_CONTEXT_FLAGS_ARB        , GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
        None
      };
*/
    printf( "Creating context\n" );
    ctx = glXCreateContextAttribsARB( m_data->m_dpy, m_data->m_bestFbc, 0,
                                      True, context_attribs );

    // Sync to ensure any errors generated are processed.
    MyXSync( m_data->m_dpy, False );
    if ( !ctxErrorOccurred && ctx )
      printf( "Created GL 3.0 context\n" );
    else
    {
      // Couldn't create GL 3.0 context.  Fall back to old-style 2.x context.
      // When a context version below 3.0 is requested, implementations will
      // return the newest context version compatible with OpenGL versions less
      // than version 3.0.
      // GLX_CONTEXT_MAJOR_VERSION_ARB = 1
      context_attribs[1] = 1;
      // GLX_CONTEXT_MINOR_VERSION_ARB = 0
      context_attribs[3] = 0;

      ctxErrorOccurred = false;

      printf( "Failed to create GL 3.0 context"
              " ... using old-style GLX context\n" );
      ctx = glXCreateContextAttribsARB( m_data->m_dpy, m_data->m_bestFbc, 0,
                                        True, context_attribs );
    }
  }

  // Sync to ensure any errors generated are processed.
  MyXSync( m_data->m_dpy, False );

  // Restore the original error handler
  MyXSetErrorHandler( oldHandler );

  if ( ctxErrorOccurred || !ctx )
  {
    printf( "Failed to create an OpenGL context\n" );
    exit(1);
  }

  // Verifying that context is a direct context
  if ( ! glXIsDirect ( m_data->m_dpy, ctx ) )
  {
    printf( "Indirect GLX rendering context obtained\n" );
  }
  else
  {
    printf( "Direct GLX rendering context obtained\n" );
  }

  printf( "Making context current\n" );
  glXMakeCurrent( m_data->m_dpy, m_data->m_win, ctx );
  m_data->m_glc = ctx;

    } else
    {
        m_data->m_glc = glXCreateContext(m_data->m_dpy, m_data->m_vi, NULL, GL_TRUE);
        glXMakeCurrent(m_data->m_dpy, m_data->m_win, m_data->m_glc);
    }

#ifdef GLEW_INIT_OPENGL11_FUNCTIONS
{
	GLboolean res = glewOpenGL11Init();
	if (res==0)
		{
			printf("glewOpenGL11Init OK!\n");
		} else
			{
				printf("ERROR: glewOpenGL11Init failed, exiting!\n");
				exit(0);
			}
}

#endif //GLEW_INIT_OPENGL11_FUNCTIONS

    const GLubyte* ven = glGetString(GL_VENDOR);
    printf("GL_VENDOR=%s\n", ven);

    const GLubyte* ren = glGetString(GL_RENDERER);
    printf("GL_RENDERER=%s\n",ren);
    const GLubyte* ver = glGetString(GL_VERSION);
    printf("GL_VERSION=%s\n", ver);
    const GLubyte* sl = glGetString(GL_SHADING_LANGUAGE_VERSION);
    printf("GL_SHADING_LANGUAGE_VERSION=%s\n", sl);

//Access pthreads as a workaround for a bug in Linux/Ubuntu
//See https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-319/+bug/1248642

	int i=pthread_getconcurrency();
        printf("pthread_getconcurrency()=%d\n",i);

//    const GLubyte* ext = glGetString(GL_EXTENSIONS);
//    printf("GL_EXTENSIONS=%s\n", ext);
}

void X11OpenGLWindow::disableOpenGL()
{
    glXMakeCurrent(m_data->m_dpy, None, NULL);
 	glXDestroyContext(m_data->m_dpy, m_data->m_glc);
}


void    X11OpenGLWindow::createWindow(const b3gWindowConstructionInfo& ci)
{

    m_data->m_dpy = MyXOpenDisplay(NULL);

    if(m_data->m_dpy == NULL) {
        printf("\n\tcannot connect to X server\n\n");
            exit(0);
     }

    m_data->m_root = DefaultRootWindow(m_data->m_dpy);


#ifdef GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS
GLboolean res = glewXInit();
if (res==0)
{
	printf("glewXInit OK\n");
} else
{
	printf("glewXInit failed, exit\n");
	exit(0);
}
#endif //GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS


    if (ci.m_openglVersion < 3)
    {
        forceOpenGL3 = false;
    }

    if (forceOpenGL3)
    {
        int glxMinor, glxMajor;
        if (!glXQueryVersion(m_data->m_dpy,&glxMajor,&glxMinor) || (((glxMajor==1)&&(glxMinor<3)) || (glxMajor<1)))
        {
            printf("Invalid GLX version: major %d, minor %d\n",glxMajor,glxMinor);
            exit(0);
        }

        static int visual_attribs[] =
            {
              GLX_X_RENDERABLE    , True,
              GLX_DRAWABLE_TYPE   , GLX_WINDOW_BIT,
              GLX_RENDER_TYPE     , GLX_RGBA_BIT,
              GLX_X_VISUAL_TYPE   , GLX_TRUE_COLOR,
              GLX_RED_SIZE        , 8,
              GLX_GREEN_SIZE      , 8,
              GLX_BLUE_SIZE       , 8,
              GLX_ALPHA_SIZE      , 8,
              GLX_DEPTH_SIZE      , 24,
              GLX_STENCIL_SIZE    , 8,
              GLX_DOUBLEBUFFER    , True,
              None
            };
            int fbcount;
            GLXFBConfig* fbc = glXChooseFBConfig(m_data->m_dpy, DefaultScreen(m_data->m_dpy), visual_attribs, &fbcount);
            if (!fbc)
            {
                printf( "Failed to retrieve a framebuffer config\n" );
                exit(1);
            }
///don't use highest samples, it is really slow on some NVIDIA Quadro cards
#ifdef USE_HIGHEST_SAMPLES
            int best_fbc = -1, worst_fbc = -1, best_num_samp = -1, worst_num_samp = 999;

            int i;
            for (i=0; i<fbcount; ++i)
            {
	            XVisualInfo *vi = glXGetVisualFromFBConfig( m_data->m_dpy, fbc[i] );
	            if ( vi )
	            {
	              int samp_buf, samples;
	              glXGetFBConfigAttrib( m_data->m_dpy, fbc[i], GLX_SAMPLE_BUFFERS, &samp_buf );
	              glXGetFBConfigAttrib( m_data->m_dpy, fbc[i], GLX_SAMPLES       , &samples  );

	              //printf( "  Matching fbconfig %d, visual ID 0x%2x: SAMPLE_BUFFERS = %d,"
	               //       " SAMPLES = %d\n",
	                //      i, vi -> visualid, samp_buf, samples );

	              if ( best_fbc < 0 || (samp_buf && (samples > best_num_samp)) )
	                best_fbc = i, best_num_samp = samples;
	              if ( worst_fbc < 0 || (!samp_buf || (samples < worst_num_samp)) )
	                worst_fbc = i, worst_num_samp = samples;
	            }
	            MyXFree( vi );
            }

            m_data->m_bestFbc = fbc[ best_fbc ];
#else
	    m_data->m_bestFbc = *fbc;
#endif
            // Be sure to free the FBConfig list allocated by glXChooseFBConfig()
            MyXFree( fbc );

            m_data->m_vi = glXGetVisualFromFBConfig( m_data->m_dpy, m_data->m_bestFbc );


            m_data->m_swa.colormap = m_data->m_cmap = MyXCreateColormap( m_data->m_dpy,
                                                 RootWindow( m_data->m_dpy, m_data->m_vi->screen ),
                                                 m_data->m_vi->visual, AllocNone );
            m_data->m_swa.background_pixmap = None ;
            m_data->m_swa.border_pixel      = 0;
            m_data->m_swa.event_mask        = ExposureMask | KeyReleaseMask | KeyPressMask |ButtonPressMask | ButtonReleaseMask |PointerMotionMask|StructureNotifyMask;
;
            m_data->m_root =  RootWindow( m_data->m_dpy, m_data->m_vi->screen );

            m_data->m_win = MyXCreateWindow( m_data->m_dpy, m_data->m_root,
                                      0, 0, ci.m_width, ci.m_height, 0, m_data->m_vi->depth, InputOutput,
                                      m_data->m_vi->visual,
                                      CWBorderPixel|CWColormap|CWEventMask, &m_data->m_swa );

            //m_data->m_win = m_data->m_x11_XCreateWindow(m_data->m_dpy, m_data->m_root, 0, 0, ci.m_width, ci.m_height, 0, m_data->m_vi->depth, InputOutput, m_data->m_vi->visual, CWColormap | CWEventMask, &m_data->m_swa);


            if (!m_data->m_win)
            {
                printf("Cannot create window\n");
                exit(0);
            }

            MyXMapWindow(m_data->m_dpy, m_data->m_win);
            MyXStoreName(m_data->m_dpy, m_data->m_win, "OpenGL3 Window");


    } else
    {
         m_data->m_vi = glXChooseVisual(m_data->m_dpy, 0, att);

				printf("4\n");

         if(m_data->m_vi == NULL) {
            printf("\n\tno appropriate visual found\n\n");
                exit(0);
         }
         else {
            printf("\n\tvisual %p selected\n", (void *)m_data->m_vi->visualid); /* %p creates hexadecimal output like in glxinfo */
         }


         m_data->m_cmap = MyXCreateColormap(m_data->m_dpy, m_data->m_root, m_data->m_vi->visual, AllocNone);
         m_data->m_swa.colormap = m_data->m_cmap;
         m_data->m_swa.event_mask = ExposureMask | KeyReleaseMask | KeyPressMask |ButtonPressMask | ButtonReleaseMask |PointerMotionMask|StructureNotifyMask;
         m_data->m_win = MyXCreateWindow(m_data->m_dpy, m_data->m_root, 0, 0, ci.m_width, ci.m_height, 0, m_data->m_vi->depth, InputOutput, m_data->m_vi->visual, CWColormap | CWEventMask, &m_data->m_swa);

         MyXMapWindow(m_data->m_dpy, m_data->m_win);

         MyXStoreName(m_data->m_dpy, m_data->m_win, "OpenGL2 Window");


    }

    enableOpenGL();
}

void    X11OpenGLWindow::closeWindow()
{
    disableOpenGL();

    MyXDestroyWindow(m_data->m_dpy, m_data->m_win);
    MyXCloseDisplay(m_data->m_dpy);
}

int X11OpenGLWindow::getAsciiCodeFromVirtualKeycode(int keycode)
{
    int result = 0;

    KeySym key, key_lc, key_uc;

    int keysyms_per_keycode_return;
    KeySym *keysym = MyXGetKeyboardMapping(m_data->m_dpy,
        keycode,
        1,
        &keysyms_per_keycode_return);

    key = keysym[0];


    //key = MyXKeycodeToKeysym( m_data->m_dpy, keycode, 0 );

    switch( key )
    {
        case XK_Escape:       return B3G_ESCAPE;
        case XK_Return:         return B3G_RETURN;

	case XK_Control_L:
	case XK_Control_R:     {
			return B3G_CONTROL;
            }
    case XK_Left: return B3G_LEFT_ARROW;
    case XK_Right: return B3G_RIGHT_ARROW;
    case XK_Up: return B3G_UP_ARROW;
    case XK_Down: return B3G_DOWN_ARROW;

	case XK_Alt_L:
	case XK_Alt_R:
		{
		  return B3G_ALT;
		}
	case XK_Shift_L:
	case XK_Shift_R:	      return B3G_SHIFT;
        case XK_F1:           return B3G_F1;
        case XK_F2:           return B3G_F2;
        case XK_F3:           return B3G_F3;
        case XK_F4:           return B3G_F4;
        case XK_F5:           return B3G_F5;
        case XK_F6:           return B3G_F6;
        case XK_F7:           return B3G_F7;
        case XK_F8:           return B3G_F8;
        case XK_F9:           return B3G_F9;
        case XK_F10:          return B3G_F10;
        case XK_F11:          return B3G_F11;
        case XK_F12:          return B3G_F12;
        case XK_F13:          return B3G_F13;
        case XK_F14:          return B3G_F14;
        case XK_F15:          return B3G_F15;
        default:
	// Make lowercase
            MyXConvertCase( key, &key_lc, &key_uc );
            key = key_lc;
            // Valid ISO 8859-1 character?
            if( (key >=  32 && key <= 126) ||(key >= 160 && key <= 255) )
            {
                return (int) key;
            }
            result = -1;
    }

    MyXFree(keysym);

    return result;
}

bool    X11OpenGLWindow::isModifierKeyPressed(int key)
{
        bool isPressed = false;

        switch (key)
        {
                case B3G_ALT:
                {
                        isPressed = ((m_data->m_modifierFlags & MY_X11_ALT_KEY)!=0);
                        break;
                };
                case B3G_SHIFT:
                {
                        isPressed = ((m_data->m_modifierFlags & MY_X11_SHIFT_KEY)!=0);
                        break;
                };
                case B3G_CONTROL:
                {
                        isPressed = ((m_data->m_modifierFlags & MY_X11_CONTROL_KEY )!=0);
                        break;
                };

                default:
                {
                }
        };
        return isPressed;
}

void X11OpenGLWindow::pumpMessage()
{

    int buttonState = 1;

     // Process all pending events
    while( MyXPending( m_data->m_dpy ) )
    {
        MyXNextEvent(m_data->m_dpy, &m_data->m_xev);
  //      printf("#");
  //      fflush(stdout);
        switch( m_data->m_xev.type )
        {
            case KeyPress:
            {
                    int keycode = getAsciiCodeFromVirtualKeycode(m_data->m_xev.xkey.keycode);
		    switch (keycode)
			{
			case B3G_ALT:
			m_data->m_modifierFlags |= MY_X11_ALT_KEY;
			break;
			case B3G_SHIFT:
			m_data->m_modifierFlags |= MY_X11_SHIFT_KEY;
			break;
			case B3G_CONTROL:
			m_data->m_modifierFlags |= MY_X11_CONTROL_KEY;
			break;
			default:
			{}
			};
		if (m_data->m_keyboardCallback)
                {

                    int state = 1;
                    (*m_data->m_keyboardCallback)(keycode,state);
                //    printf("keycode %d",keycode);
                  //  fflush(stdout);

                }
                break;
            }

            case KeyRelease:
            {
   //           fflush(stdout);
 int keycode = getAsciiCodeFromVirtualKeycode( m_data->m_xev.xkey.keycode);
		  switch (keycode)
                        {
                        case B3G_ALT:
                        m_data->m_modifierFlags &= ~MY_X11_ALT_KEY;
                        break;
                        case B3G_SHIFT:
                        m_data->m_modifierFlags &= ~MY_X11_SHIFT_KEY;
                        break;
                        case B3G_CONTROL:
                        m_data->m_modifierFlags &= ~MY_X11_CONTROL_KEY;
                        break;
                        default:
                        {}
                        };

                if (m_data->m_keyboardCallback)
                {
#if 0
                     unsigned short is_retriggered = 0;
///filter out keyboard repeat
//see http://stackoverflow.com/questions/2100654/ignore-auto-repeat-in-x11-applications
                     if (MyXEventsQueued(m_data->m_dpy, QueuedAfterReading))
                       {
                         XEvent nev;
                         MyXPeekEvent(m_data->m_dpy, &nev);

                         if (nev.type == KeyPress && nev.xkey.time ==  m_data->m_xev.xkey.time &&
                             nev.xkey.keycode ==  m_data->m_xev.xkey.keycode)
                           {
                             fprintf (stdout, "key #%ld was retriggered.\n",
                               (long) MyXLookupKeysym(&nev.xkey, 0));

                             // delete retriggered KeyPress event
                             MyXNextEvent(m_data->m_dpy, & m_data->m_xev);
                             is_retriggered = 1;
                           }
                       }
#endif
                    int state = 0;
                    (*m_data->m_keyboardCallback)(keycode,state);
                    }

                break;
            }

            case ButtonRelease:
                buttonState = 0;
                //continue with ButtonPress code
            case ButtonPress:
            {
//                printf("!");
//                fflush(stdout);

                int button=-1;

                switch (m_data->m_xev.xbutton.button)
                {
                    case Button1:
                    {
                    button=0;
                    break;
                    }
                    case Button2:
                    {
                        button=1;
                        break;
                    }
                    case Button3:
                    {
                        button=2;
                        break;
                    }
                    case Button4:
                    {
                        if (m_data->m_wheelCallback)
                        {
                            (*m_data->m_wheelCallback)(0,10);
                        }
                        break;
                    }
                    case Button5:
                    {
                        if (m_data->m_wheelCallback)
                        {
                            (*m_data->m_wheelCallback)(0,-10);
                        }
                        break;
                    }
                }
                int xpos = m_data->m_xev.xmotion.x;
                int ypos = m_data->m_xev.xmotion.y;

                if (button>=0 && m_data->m_mouseButtonCallback)
                {
//                      printf("xpos = %d, ypos = %d\n",xpos,ypos);

                    (*m_data->m_mouseButtonCallback)(button,buttonState,xpos,ypos);
                }
                break;
            }
            case MotionNotify:
            {
//                printf("!");
//                fflush(0);
                if (m_data->m_mouseMoveCallback)
                {
                    int xpos = m_data->m_xev.xmotion.x;
                    int ypos = m_data->m_xev.xmotion.y;
                    (*m_data->m_mouseMoveCallback)(xpos,ypos);
                }
                break;
            }
            case ConfigureNotify:
            {
  //              printf("@");
  //              fflush(0);
		m_data->m_glWidth = m_data->m_xev.xconfigure.width;
		m_data->m_glHeight = m_data->m_xev.xconfigure.height;

                if (m_data->m_resizeCallback)
                {
                    (*m_data->m_resizeCallback)(m_data->m_xev.xconfigure.width,m_data->m_xev.xconfigure.height);
                }
                break;
            }
            case ClientMessage:
            {
  //              printf("?");
  //              fflush(stdout);
                break;
            }
            case Expose:
            {
                    break;
            }
            case DestroyNotify:
            {
                break;
            }
            default:
            {
                //XRRUpdateConfiguration( &event );
            }
        };
    }
}



void    X11OpenGLWindow::startRendering()
{
	pumpMessage();

    MyXGetWindowAttributes(m_data->m_dpy, m_data->m_win, &m_data->m_gwa);
    glViewport(0, 0, m_data->m_gwa.width, m_data->m_gwa.height);

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);	//clear buffers

    //glCullFace(GL_BACK);
    //glFrontFace(GL_CCW);
    glEnable(GL_DEPTH_TEST);
}

void    X11OpenGLWindow::renderAllObjects()
{

}

void    X11OpenGLWindow::endRendering()
{
    glXSwapBuffers(m_data->m_dpy, m_data->m_win);
}

void    X11OpenGLWindow::runMainLoop()
{

}

float   X11OpenGLWindow::getTimeInSeconds()
{
    return 0.f;
}

bool    X11OpenGLWindow::requestedExit() const
{
    return m_requestedExit;
}

void    X11OpenGLWindow::setRequestExit()
{
	m_requestedExit=true;
}

void X11OpenGLWindow::setRenderCallback( b3RenderCallback renderCallback)
{

}

void X11OpenGLWindow::setWindowTitle(const char* title)
{
    MyXStoreName(m_data->m_dpy, m_data->m_win, title);
}


void X11OpenGLWindow::setWheelCallback(b3WheelCallback wheelCallback)
{
	m_data->m_wheelCallback = wheelCallback;
}

void X11OpenGLWindow::setMouseMoveCallback(b3MouseMoveCallback	mouseCallback)
{
	m_data->m_mouseMoveCallback = mouseCallback;
}

void X11OpenGLWindow::setMouseButtonCallback(b3MouseButtonCallback	mouseCallback)
{
	m_data->m_mouseButtonCallback = mouseCallback;
}

void X11OpenGLWindow::setResizeCallback(b3ResizeCallback	resizeCallback)
{
	if (resizeCallback && m_data->m_glWidth>0 && m_data->m_glHeight > 0)
	{
		resizeCallback(m_data->m_glWidth, m_data->m_glHeight);
	}
	m_data->m_resizeCallback = resizeCallback;
}

void X11OpenGLWindow::setKeyboardCallback( b3KeyboardCallback	keyboardCallback)
{
	m_data->m_keyboardCallback = keyboardCallback;

}

b3MouseMoveCallback X11OpenGLWindow::getMouseMoveCallback()
{
	return m_data->m_mouseMoveCallback;
}
b3MouseButtonCallback X11OpenGLWindow::getMouseButtonCallback()
{
	return m_data->m_mouseButtonCallback;
}
b3ResizeCallback X11OpenGLWindow::getResizeCallback()
{
	return m_data->m_resizeCallback;
}
b3WheelCallback X11OpenGLWindow::getWheelCallback()
{
	return m_data->m_wheelCallback;
}


b3KeyboardCallback      X11OpenGLWindow::getKeyboardCallback()
{
	return m_data->m_keyboardCallback;
}

int   X11OpenGLWindow::getWidth() const
{
    if (m_data)
        return m_data->m_glWidth;
    return 0;
}
int   X11OpenGLWindow::getHeight() const
{
    if (m_data)
        return m_data->m_glHeight;
    return 0;
}


#include <stdio.h>

int X11OpenGLWindow::fileOpenDialog(char* filename, int maxNameLength)
{
	int len = 0;
	FILE * output = popen("zenity --file-selection --file-filter=\"*.urdf\" --file-filter=\"*.sdf\"  --file-filter=\"*.obj\"  --file-filter=\"*.*\"","r");
	if (output)
	{
		while( fgets(filename, maxNameLength-1, output) != NULL )
		{
			len=strlen(filename);
			if (len>0)
			{
				filename[len-1]=0;
				printf("file open (length=%d) = %s\n", len,filename);
			}
		}
		pclose(output);
	} else
	{
		printf("Error: fileOpenDialog no popen output, perhaps install zenity?\n");
	}
	MyXRaiseWindow(m_data->m_dpy, m_data->m_win);
	return len;

}