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      1 #ifndef __glxext_h_
      2 #define __glxext_h_
      3 
      4 #ifdef __cplusplus
      5 extern "C" {
      6 #endif
      7 
      8 /*
      9 ** License Applicability. Except to the extent portions of this file are
     10 ** made subject to an alternative license as permitted in the SGI Free
     11 ** Software License B, Version 1.1 (the "License"), the contents of this
     12 ** file are subject only to the provisions of the License. You may not use
     13 ** this file except in compliance with the License. You may obtain a copy
     14 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
     15 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
     16 **
     17 ** http://oss.sgi.com/projects/FreeB
     18 **
     19 ** Note that, as provided in the License, the Software is distributed on an
     20 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
     21 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
     22 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
     23 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
     24 **
     25 ** Original Code. The Original Code is: OpenGL Sample Implementation,
     26 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
     27 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
     28 ** Copyright in any portions created by third parties is as indicated
     29 ** elsewhere herein. All Rights Reserved.
     30 **
     31 ** Additional Notice Provisions: This software was created using the
     32 ** OpenGL(R) version 1.2.1 Sample Implementation published by SGI, but has
     33 ** not been independently verified as being compliant with the OpenGL(R)
     34 ** version 1.2.1 Specification.
     35 */
     36 
     37 #if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__)
     38 #define WIN32_LEAN_AND_MEAN 1
     39 #include <windows.h>
     40 #else
     41 #include <GL/glx.h>
     42 #endif
     43 
     44 #ifndef APIENTRY
     45 #define APIENTRY
     46 #endif
     47 
     48 
     49 /*************************************************************/
     50 
     51 /* Header file version number, required by OpenGL ABI for Linux */
     52 #define GLX_GLXEXT_VERSION 2
     53 
     54 #ifndef GLX_VERSION_1_3
     55 #define GLX_WINDOW_BIT                     0x00000001
     56 #define GLX_PIXMAP_BIT                     0x00000002
     57 #define GLX_PBUFFER_BIT                    0x00000004
     58 #define GLX_RGBA_BIT                       0x00000001
     59 #define GLX_COLOR_INDEX_BIT                0x00000002
     60 #define GLX_PBUFFER_CLOBBER_MASK           0x08000000
     61 #define GLX_FRONT_LEFT_BUFFER_BIT          0x00000001
     62 #define GLX_FRONT_RIGHT_BUFFER_BIT         0x00000002
     63 #define GLX_BACK_LEFT_BUFFER_BIT           0x00000004
     64 #define GLX_BACK_RIGHT_BUFFER_BIT          0x00000008
     65 #define GLX_AUX_BUFFERS_BIT                0x00000010
     66 #define GLX_DEPTH_BUFFER_BIT               0x00000020
     67 #define GLX_STENCIL_BUFFER_BIT             0x00000040
     68 #define GLX_ACCUM_BUFFER_BIT               0x00000080
     69 #define GLX_CONFIG_CAVEAT                  0x20
     70 #define GLX_X_VISUAL_TYPE                  0x22
     71 #define GLX_TRANSPARENT_TYPE               0x23
     72 #define GLX_TRANSPARENT_INDEX_VALUE        0x24
     73 #define GLX_TRANSPARENT_RED_VALUE          0x25
     74 #define GLX_TRANSPARENT_GREEN_VALUE        0x26
     75 #define GLX_TRANSPARENT_BLUE_VALUE         0x27
     76 #define GLX_TRANSPARENT_ALPHA_VALUE        0x28
     77 #define GLX_DONT_CARE                      0xFFFFFFFF
     78 #define GLX_NONE                           0x8000
     79 #define GLX_SLOW_CONFIG                    0x8001
     80 #define GLX_TRUE_COLOR                     0x8002
     81 #define GLX_DIRECT_COLOR                   0x8003
     82 #define GLX_PSEUDO_COLOR                   0x8004
     83 #define GLX_STATIC_COLOR                   0x8005
     84 #define GLX_GRAY_SCALE                     0x8006
     85 #define GLX_STATIC_GRAY                    0x8007
     86 #define GLX_TRANSPARENT_RGB                0x8008
     87 #define GLX_TRANSPARENT_INDEX              0x8009
     88 #define GLX_VISUAL_ID                      0x800B
     89 #define GLX_SCREEN                         0x800C
     90 #define GLX_NON_CONFORMANT_CONFIG          0x800D
     91 #define GLX_DRAWABLE_TYPE                  0x8010
     92 #define GLX_RENDER_TYPE                    0x8011
     93 #define GLX_X_RENDERABLE                   0x8012
     94 #define GLX_FBCONFIG_ID                    0x8013
     95 #define GLX_RGBA_TYPE                      0x8014
     96 #define GLX_COLOR_INDEX_TYPE               0x8015
     97 #define GLX_MAX_PBUFFER_WIDTH              0x8016
     98 #define GLX_MAX_PBUFFER_HEIGHT             0x8017
     99 #define GLX_MAX_PBUFFER_PIXELS             0x8018
    100 #define GLX_PRESERVED_CONTENTS             0x801B
    101 #define GLX_LARGEST_PBUFFER                0x801C
    102 #define GLX_WIDTH                          0x801D
    103 #define GLX_HEIGHT                         0x801E
    104 #define GLX_EVENT_MASK                     0x801F
    105 #define GLX_DAMAGED                        0x8020
    106 #define GLX_SAVED                          0x8021
    107 #define GLX_WINDOW                         0x8022
    108 #define GLX_PBUFFER                        0x8023
    109 #define GLX_PBUFFER_HEIGHT                 0x8040
    110 #define GLX_PBUFFER_WIDTH                  0x8041
    111 #endif
    112 
    113 #ifndef GLX_EXT_visual_info
    114 #define GLX_X_VISUAL_TYPE_EXT              0x22
    115 #define GLX_TRANSPARENT_TYPE_EXT           0x23
    116 #define GLX_TRANSPARENT_INDEX_VALUE_EXT    0x24
    117 #define GLX_TRANSPARENT_RED_VALUE_EXT      0x25
    118 #define GLX_TRANSPARENT_GREEN_VALUE_EXT    0x26
    119 #define GLX_TRANSPARENT_BLUE_VALUE_EXT     0x27
    120 #define GLX_TRANSPARENT_ALPHA_VALUE_EXT    0x28
    121 #define GLX_NONE_EXT                       0x8000
    122 #define GLX_TRUE_COLOR_EXT                 0x8002
    123 #define GLX_DIRECT_COLOR_EXT               0x8003
    124 #define GLX_PSEUDO_COLOR_EXT               0x8004
    125 #define GLX_STATIC_COLOR_EXT               0x8005
    126 #define GLX_GRAY_SCALE_EXT                 0x8006
    127 #define GLX_STATIC_GRAY_EXT                0x8007
    128 #define GLX_TRANSPARENT_RGB_EXT            0x8008
    129 #define GLX_TRANSPARENT_INDEX_EXT          0x8009
    130 #endif
    131 
    132 #ifndef GLX_SGI_swap_control
    133 #endif
    134 
    135 #ifndef GLX_SGI_video_sync
    136 #endif
    137 
    138 #ifndef GLX_SGI_make_current_read
    139 #endif
    140 
    141 #ifndef GLX_SGIX_video_source
    142 #endif
    143 
    144 #ifndef GLX_EXT_visual_rating
    145 #define GLX_VISUAL_CAVEAT_EXT              0x20
    146 #define GLX_SLOW_VISUAL_EXT                0x8001
    147 #define GLX_NON_CONFORMANT_VISUAL_EXT      0x800D
    148 /* reuse GLX_NONE_EXT */
    149 #endif
    150 
    151 #ifndef GLX_EXT_import_context
    152 #define GLX_SHARE_CONTEXT_EXT              0x800A
    153 #define GLX_VISUAL_ID_EXT                  0x800B
    154 #define GLX_SCREEN_EXT                     0x800C
    155 #endif
    156 
    157 #ifndef GLX_SGIX_fbconfig
    158 #define GLX_WINDOW_BIT_SGIX                0x00000001
    159 #define GLX_PIXMAP_BIT_SGIX                0x00000002
    160 #define GLX_RGBA_BIT_SGIX                  0x00000001
    161 #define GLX_COLOR_INDEX_BIT_SGIX           0x00000002
    162 #define GLX_DRAWABLE_TYPE_SGIX             0x8010
    163 #define GLX_RENDER_TYPE_SGIX               0x8011
    164 #define GLX_X_RENDERABLE_SGIX              0x8012
    165 #define GLX_FBCONFIG_ID_SGIX               0x8013
    166 #define GLX_RGBA_TYPE_SGIX                 0x8014
    167 #define GLX_COLOR_INDEX_TYPE_SGIX          0x8015
    168 /* reuse GLX_SCREEN_EXT */
    169 #endif
    170 
    171 #ifndef GLX_SGIX_pbuffer
    172 #define GLX_PBUFFER_BIT_SGIX               0x00000004
    173 #define GLX_BUFFER_CLOBBER_MASK_SGIX       0x08000000
    174 #define GLX_FRONT_LEFT_BUFFER_BIT_SGIX     0x00000001
    175 #define GLX_FRONT_RIGHT_BUFFER_BIT_SGIX    0x00000002
    176 #define GLX_BACK_LEFT_BUFFER_BIT_SGIX      0x00000004
    177 #define GLX_BACK_RIGHT_BUFFER_BIT_SGIX     0x00000008
    178 #define GLX_AUX_BUFFERS_BIT_SGIX           0x00000010
    179 #define GLX_DEPTH_BUFFER_BIT_SGIX          0x00000020
    180 #define GLX_STENCIL_BUFFER_BIT_SGIX        0x00000040
    181 #define GLX_ACCUM_BUFFER_BIT_SGIX          0x00000080
    182 #define GLX_SAMPLE_BUFFERS_BIT_SGIX        0x00000100
    183 #define GLX_MAX_PBUFFER_WIDTH_SGIX         0x8016
    184 #define GLX_MAX_PBUFFER_HEIGHT_SGIX        0x8017
    185 #define GLX_MAX_PBUFFER_PIXELS_SGIX        0x8018
    186 #define GLX_OPTIMAL_PBUFFER_WIDTH_SGIX     0x8019
    187 #define GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX    0x801A
    188 #define GLX_PRESERVED_CONTENTS_SGIX        0x801B
    189 #define GLX_LARGEST_PBUFFER_SGIX           0x801C
    190 #define GLX_WIDTH_SGIX                     0x801D
    191 #define GLX_HEIGHT_SGIX                    0x801E
    192 #define GLX_EVENT_MASK_SGIX                0x801F
    193 #define GLX_DAMAGED_SGIX                   0x8020
    194 #define GLX_SAVED_SGIX                     0x8021
    195 #define GLX_WINDOW_SGIX                    0x8022
    196 #define GLX_PBUFFER_SGIX                   0x8023
    197 #endif
    198 
    199 #ifndef GLX_SGI_cushion
    200 #endif
    201 
    202 #ifndef GLX_SGIX_video_resize
    203 #define GLX_SYNC_FRAME_SGIX                0x00000000
    204 #define GLX_SYNC_SWAP_SGIX                 0x00000001
    205 #endif
    206 
    207 #ifndef GLX_SGIX_dmbuffer
    208 #define GLX_DIGITAL_MEDIA_PBUFFER_SGIX     0x8024
    209 #endif
    210 
    211 #ifndef GLX_SGIX_swap_group
    212 #endif
    213 
    214 #ifndef GLX_SGIX_swap_barrier
    215 #endif
    216 
    217 #ifndef GLX_SGIS_blended_overlay
    218 #define GLX_BLENDED_RGBA_SGIS              0x8025
    219 #endif
    220 
    221 #ifndef GLX_SGIS_shared_multisample
    222 #define GLX_MULTISAMPLE_SUB_RECT_WIDTH_SGIS 0x8026
    223 #define GLX_MULTISAMPLE_SUB_RECT_HEIGHT_SGIS 0x8027
    224 #endif
    225 
    226 #ifndef GLX_SUN_get_transparent_index
    227 #endif
    228 
    229 #ifndef GLX_3DFX_multisample
    230 #define GLX_SAMPLE_BUFFERS_3DFX            0x8050
    231 #define GLX_SAMPLES_3DFX                   0x8051
    232 #endif
    233 
    234 #ifndef GLX_MESA_copy_sub_buffer
    235 #endif
    236 
    237 #ifndef GLX_MESA_pixmap_colormap
    238 #endif
    239 
    240 #ifndef GLX_MESA_release_buffers
    241 #endif
    242 
    243 #ifndef GLX_MESA_set_3dfx_mode
    244 #define GLX_3DFX_WINDOW_MODE_MESA          0x1
    245 #define GLX_3DFX_FULLSCREEN_MODE_MESA      0x2
    246 #endif
    247 
    248 
    249 /*************************************************************/
    250 
    251 #ifndef GLX_ARB_get_proc_address
    252 typedef void (*__GLXextFuncPtr)();
    253 #endif
    254 
    255 #ifndef GLX_SGIX_video_source
    256 typedef XID GLXVideoSourceSGIX;
    257 #endif
    258 
    259 #ifndef GLX_SGIX_fbconfig
    260 typedef XID GLXFBConfigIDSGIX;
    261 typedef struct __GLXFBConfigRec *GLXFBConfigSGIX;
    262 #endif
    263 
    264 #ifndef GLX_SGIX_pbuffer
    265 typedef XID GLXPbufferSGIX;
    266 typedef struct {
    267     int type;
    268     unsigned long serial;	  /* # of last request processed by server */
    269     Bool send_event;		  /* true if this came for SendEvent request */
    270     Display *display;		  /* display the event was read from */
    271     GLXDrawable drawable;	  /* i.d. of Drawable */
    272     int event_type;		  /* GLX_DAMAGED_SGIX or GLX_SAVED_SGIX */
    273     int draw_type;		  /* GLX_WINDOW_SGIX or GLX_PBUFFER_SGIX */
    274     unsigned int mask;	  /* mask indicating which buffers are affected*/
    275     int x, y;
    276     int width, height;
    277     int count;		  /* if nonzero, at least this many more */
    278 } GLXBufferClobberEventSGIX;
    279 #endif
    280 
    281 #ifdef GL_NV_vertex_array_range
    282 #ifndef PFNGLXALLOCATEMEMORYNVPROC
    283 #ifdef GLX_GLXEXT_PROTOTYPES
    284 extern void *glXAllocateMemoryNV (GLsizei, GLfloat, GLfloat, GLfloat);
    285 #endif
    286 typedef void * ( * PFNGLXALLOCATEMEMORYNVPROC) (GLsizei, GLfloat, GLfloat, GLfloat);
    287 #endif
    288 #ifndef PFNGLXFREEMEMORYNVPROC
    289 #ifdef GLX_GLXEXT_PROTOTYPES
    290 extern void glXFreeMemoryNV (void *);
    291 #endif
    292 typedef void ( * PFNGLXFREEMEMORYNVPROC) (void *);
    293 #endif
    294 #endif
    295 
    296 #ifndef GLX_VERSION_1_3
    297 #define GLX_VERSION_1_3 1
    298 #ifdef GLX_GLXEXT_PROTOTYPES
    299 extern GLXFBConfig * glXGetFBConfigs (Display *, int, int *);
    300 extern GLXFBConfig * glXChooseFBConfig (Display *, int, const int *, int *);
    301 extern int glXGetFBConfigAttrib (Display *, GLXFBConfig, int, int *);
    302 extern XVisualInfo * glXGetVisualFromFBConfig (Display *, GLXFBConfig);
    303 extern GLXWindow glXCreateWindow (Display *, GLXFBConfig, Window, const int *);
    304 extern void glXDestroyWindow (Display *, GLXWindow);
    305 extern GLXPixmap glXCreatePixmap (Display *, GLXFBConfig, Pixmap, const int *);
    306 extern void glXDestroyPixmap (Display *, GLXPixmap);
    307 extern GLXPbuffer glXCreatePbuffer (Display *, GLXFBConfig, const int *);
    308 extern void glXDestroyPbuffer (Display *, GLXPbuffer);
    309 extern void glXQueryDrawable (Display *, GLXDrawable, int, unsigned int *);
    310 extern GLXContext glXCreateNewContext (Display *, GLXFBConfig, int, GLXContext, Bool);
    311 extern Bool glXMakeContextCurrent (Display *, GLXDrawable, GLXDrawable, GLXContext);
    312 extern GLXDrawable glXGetCurrentReadDrawable (void);
    313 extern Display * glXGetCurrentDisplay (void);
    314 extern int glXQueryContext (Display *, GLXContext, int, int *);
    315 extern void glXSelectEvent (Display *, GLXDrawable, unsigned long);
    316 extern void glXGetSelectedEvent (Display *, GLXDrawable, unsigned long *);
    317 #endif /* GLX_GLXEXT_PROTOTYPES */
    318 typedef GLXFBConfig * ( * PFNGLXGETFBCONFIGSPROC) (Display *dpy, int screen, int *nelements);
    319 typedef GLXFBConfig * ( * PFNGLXCHOOSEFBCONFIGPROC) (Display *dpy, int screen, const int *attrib_list, int *nelements);
    320 typedef int ( * PFNGLXGETFBCONFIGATTRIBPROC) (Display *dpy, GLXFBConfig config, int attribute, int *value);
    321 typedef XVisualInfo * ( * PFNGLXGETVISUALFROMFBCONFIGPROC) (Display *dpy, GLXFBConfig config);
    322 typedef GLXWindow ( * PFNGLXCREATEWINDOWPROC) (Display *dpy, GLXFBConfig config, Window win, const int *attrib_list);
    323 typedef void ( * PFNGLXDESTROYWINDOWPROC) (Display *dpy, GLXWindow win);
    324 typedef GLXPixmap ( * PFNGLXCREATEPIXMAPPROC) (Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list);
    325 typedef void ( * PFNGLXDESTROYPIXMAPPROC) (Display *dpy, GLXPixmap pixmap);
    326 typedef GLXPbuffer ( * PFNGLXCREATEPBUFFERPROC) (Display *dpy, GLXFBConfig config, const int *attrib_list);
    327 typedef void ( * PFNGLXDESTROYPBUFFERPROC) (Display *dpy, GLXPbuffer pbuf);
    328 typedef void ( * PFNGLXQUERYDRAWABLEPROC) (Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
    329 typedef GLXContext ( * PFNGLXCREATENEWCONTEXTPROC) (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
    330 typedef Bool ( * PFNGLXMAKECONTEXTCURRENTPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
    331 typedef GLXDrawable ( * PFNGLXGETCURRENTREADDRAWABLEPROC) (void);
    332 typedef Display * ( * PFNGLXGETCURRENTDISPLAYPROC) (void);
    333 typedef int ( * PFNGLXQUERYCONTEXTPROC) (Display *dpy, GLXContext ctx, int attribute, int *value);
    334 typedef void ( * PFNGLXSELECTEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long event_mask);
    335 typedef void ( * PFNGLXGETSELECTEDEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long *event_mask);
    336 #endif
    337 
    338 #ifndef GLX_ARB_get_proc_address
    339 #define GLX_ARB_get_proc_address 1
    340 #ifdef GLX_GLXEXT_PROTOTYPES
    341 extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *);
    342 #endif /* GLX_GLXEXT_PROTOTYPES */
    343 typedef __GLXextFuncPtr ( * PFNGLXGETPROCADDRESSARBPROC) (const GLubyte *procName);
    344 #endif
    345 
    346 #ifndef GLX_SGIS_multisample
    347 #define GLX_SGIS_multisample 1
    348 #endif
    349 
    350 #ifndef GLX_EXT_visual_info
    351 #define GLX_EXT_visual_info 1
    352 #endif
    353 
    354 #ifndef GLX_SGI_swap_control
    355 #define GLX_SGI_swap_control 1
    356 #ifdef GLX_GLXEXT_PROTOTYPES
    357 extern int glXSwapIntervalSGI (int);
    358 #endif /* GLX_GLXEXT_PROTOTYPES */
    359 typedef int ( * PFNGLXSWAPINTERVALSGIPROC) (int interval);
    360 #endif
    361 
    362 #ifndef GLX_SGI_video_sync
    363 #define GLX_SGI_video_sync 1
    364 #ifdef GLX_GLXEXT_PROTOTYPES
    365 extern int glXGetVideoSyncSGI (unsigned int *);
    366 extern int glXWaitVideoSyncSGI (int, int, unsigned int *);
    367 #endif /* GLX_GLXEXT_PROTOTYPES */
    368 typedef int ( * PFNGLXGETVIDEOSYNCSGIPROC) (unsigned int *count);
    369 typedef int ( * PFNGLXWAITVIDEOSYNCSGIPROC) (int divisor, int remainder, unsigned int *count);
    370 #endif
    371 
    372 #ifndef GLX_SGI_make_current_read
    373 #define GLX_SGI_make_current_read 1
    374 #ifdef GLX_GLXEXT_PROTOTYPES
    375 extern Bool glXMakeCurrentReadSGI (Display *, GLXDrawable, GLXDrawable, GLXContext);
    376 extern GLXDrawable glXGetCurrentReadDrawableSGI (void);
    377 #endif /* GLX_GLXEXT_PROTOTYPES */
    378 typedef Bool ( * PFNGLXMAKECURRENTREADSGIPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
    379 typedef GLXDrawable ( * PFNGLXGETCURRENTREADDRAWABLESGIPROC) (void);
    380 #endif
    381 
    382 #ifdef _VL_H
    383 #ifndef GLX_SGIX_video_source
    384 #define GLX_SGIX_video_source 1
    385 #ifdef GLX_GLXEXT_PROTOTYPES
    386 extern GLXVideoSourceSGIX glXCreateGLXVideoSourceSGIX (Display *, int, VLServer, VLPath, int, VLNode);
    387 extern void glXDestroyGLXVideoSourceSGIX (Display *, GLXVideoSourceSGIX);
    388 #endif /* GLX_GLXEXT_PROTOTYPES */
    389 typedef GLXVideoSourceSGIX ( * PFNGLXCREATEGLXVIDEOSOURCESGIXPROC) (Display *display, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode);
    390 typedef void ( * PFNGLXDESTROYGLXVIDEOSOURCESGIXPROC) (Display *dpy, GLXVideoSourceSGIX glxvideosource);
    391 #endif
    392 
    393 #endif /* _VL_H */
    394 #ifndef GLX_EXT_visual_rating
    395 #define GLX_EXT_visual_rating 1
    396 #endif
    397 
    398 #ifndef GLX_EXT_import_context
    399 #define GLX_EXT_import_context 1
    400 #ifdef GLX_GLXEXT_PROTOTYPES
    401 extern Display * glXGetCurrentDisplayEXT (void);
    402 extern int glXQueryContextInfoEXT (Display *, GLXContext, int, int *);
    403 extern GLXContextID glXGetContextIDEXT (GLXContext);
    404 extern GLXContext glXImportContextEXT (Display *, GLXContextID);
    405 extern void glXFreeContextEXT (Display *, GLXContext);
    406 #endif /* GLX_GLXEXT_PROTOTYPES */
    407 typedef Display * ( * PFNGLXGETCURRENTDISPLAYEXTPROC) (void);
    408 typedef int ( * PFNGLXQUERYCONTEXTINFOEXTPROC) (Display *dpy, GLXContext context, int attribute, int *value);
    409 typedef GLXContextID ( * PFNGLXGETCONTEXTIDEXTPROC) (GLXContext context);
    410 typedef GLXContext ( * PFNGLXIMPORTCONTEXTEXTPROC) (Display *dpy, GLXContextID contextID);
    411 typedef void ( * PFNGLXFREECONTEXTEXTPROC) (Display *dpy, GLXContext context);
    412 #endif
    413 
    414 #ifndef GLX_SGIX_fbconfig
    415 #define GLX_SGIX_fbconfig 1
    416 #ifdef GLX_GLXEXT_PROTOTYPES
    417 extern int glXGetFBConfigAttribSGIX (Display *, GLXFBConfigSGIX, int, int *);
    418 extern GLXFBConfigSGIX * glXChooseFBConfigSGIX (Display *, int, int *, int *);
    419 extern GLXPixmap glXCreateGLXPixmapWithConfigSGIX (Display *, GLXFBConfigSGIX, Pixmap);
    420 extern GLXContext glXCreateContextWithConfigSGIX (Display *, GLXFBConfigSGIX, int, GLXContext, Bool);
    421 extern XVisualInfo * glXGetVisualFromFBConfigSGIX (Display *, GLXFBConfigSGIX);
    422 extern GLXFBConfigSGIX glXGetFBConfigFromVisualSGIX (Display *, XVisualInfo *);
    423 #endif /* GLX_GLXEXT_PROTOTYPES */
    424 typedef int ( * PFNGLXGETFBCONFIGATTRIBSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int attribute, int *value);
    425 typedef GLXFBConfigSGIX * ( * PFNGLXCHOOSEFBCONFIGSGIXPROC) (Display *dpy, int screen, int *attrib_list, int *nelements);
    426 typedef GLXPixmap ( * PFNGLXCREATEGLXPIXMAPWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap);
    427 typedef GLXContext ( * PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct);
    428 typedef XVisualInfo * ( * PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config);
    429 typedef GLXFBConfigSGIX ( * PFNGLXGETFBCONFIGFROMVISUALSGIXPROC) (Display *dpy, XVisualInfo *vis);
    430 #endif
    431 
    432 #ifndef GLX_SGIX_pbuffer
    433 #define GLX_SGIX_pbuffer 1
    434 #ifdef GLX_GLXEXT_PROTOTYPES
    435 extern GLXPbufferSGIX glXCreateGLXPbufferSGIX (Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *);
    436 extern void glXDestroyGLXPbufferSGIX (Display *, GLXPbufferSGIX);
    437 extern int glXQueryGLXPbufferSGIX (Display *, GLXPbufferSGIX, int, unsigned int *);
    438 extern void glXSelectEventSGIX (Display *, GLXDrawable, unsigned long);
    439 extern void glXGetSelectedEventSGIX (Display *, GLXDrawable, unsigned long *);
    440 #endif /* GLX_GLXEXT_PROTOTYPES */
    441 typedef GLXPbufferSGIX ( * PFNGLXCREATEGLXPBUFFERSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list);
    442 typedef void ( * PFNGLXDESTROYGLXPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuf);
    443 typedef int ( * PFNGLXQUERYGLXPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value);
    444 typedef void ( * PFNGLXSELECTEVENTSGIXPROC) (Display *dpy, GLXDrawable drawable, unsigned long mask);
    445 typedef void ( * PFNGLXGETSELECTEDEVENTSGIXPROC) (Display *dpy, GLXDrawable drawable, unsigned long *mask);
    446 #endif
    447 
    448 #ifndef GLX_SGI_cushion
    449 #define GLX_SGI_cushion 1
    450 #ifdef GLX_GLXEXT_PROTOTYPES
    451 extern void glXCushionSGI (Display *, Window, float);
    452 #endif /* GLX_GLXEXT_PROTOTYPES */
    453 typedef void ( * PFNGLXCUSHIONSGIPROC) (Display *dpy, Window window, float cushion);
    454 #endif
    455 
    456 #ifndef GLX_SGIX_video_resize
    457 #define GLX_SGIX_video_resize 1
    458 #ifdef GLX_GLXEXT_PROTOTYPES
    459 extern int glXBindChannelToWindowSGIX (Display *, int, int, Window);
    460 extern int glXChannelRectSGIX (Display *, int, int, int, int, int, int);
    461 extern int glXQueryChannelRectSGIX (Display *, int, int, int *, int *, int *, int *);
    462 extern int glXQueryChannelDeltasSGIX (Display *, int, int, int *, int *, int *, int *);
    463 extern int glXChannelRectSyncSGIX (Display *, int, int, GLenum);
    464 #endif /* GLX_GLXEXT_PROTOTYPES */
    465 typedef int ( * PFNGLXBINDCHANNELTOWINDOWSGIXPROC) (Display *display, int screen, int channel, Window window);
    466 typedef int ( * PFNGLXCHANNELRECTSGIXPROC) (Display *display, int screen, int channel, int x, int y, int w, int h);
    467 typedef int ( * PFNGLXQUERYCHANNELRECTSGIXPROC) (Display *display, int screen, int channel, int *dx, int *dy, int *dw, int *dh);
    468 typedef int ( * PFNGLXQUERYCHANNELDELTASSGIXPROC) (Display *display, int screen, int channel, int *x, int *y, int *w, int *h);
    469 typedef int ( * PFNGLXCHANNELRECTSYNCSGIXPROC) (Display *display, int screen, int channel, GLenum synctype);
    470 #endif
    471 
    472 #ifdef _DM_BUFFER_H_
    473 #ifndef GLX_SGIX_dmbuffer
    474 #define GLX_SGIX_dmbuffer 1
    475 #ifdef GLX_GLXEXT_PROTOTYPES
    476 extern Bool glXAssociateDMPbufferSGIX (Display *, GLXPbufferSGIX, DMparams *, DMbuffer);
    477 #endif /* GLX_GLXEXT_PROTOTYPES */
    478 typedef Bool ( * PFNGLXASSOCIATEDMPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer);
    479 #endif
    480 
    481 #endif /* _DM_BUFFER_H_ */
    482 #ifndef GLX_SGIX_swap_group
    483 #define GLX_SGIX_swap_group 1
    484 #ifdef GLX_GLXEXT_PROTOTYPES
    485 extern void glXJoinSwapGroupSGIX (Display *, GLXDrawable, GLXDrawable);
    486 #endif /* GLX_GLXEXT_PROTOTYPES */
    487 typedef void ( * PFNGLXJOINSWAPGROUPSGIXPROC) (Display *dpy, GLXDrawable drawable, GLXDrawable member);
    488 #endif
    489 
    490 #ifndef GLX_SGIX_swap_barrier
    491 #define GLX_SGIX_swap_barrier 1
    492 #ifdef GLX_GLXEXT_PROTOTYPES
    493 extern void glXBindSwapBarrierSGIX (Display *, GLXDrawable, int);
    494 extern Bool glXQueryMaxSwapBarriersSGIX (Display *, int, int *);
    495 #endif /* GLX_GLXEXT_PROTOTYPES */
    496 typedef void ( * PFNGLXBINDSWAPBARRIERSGIXPROC) (Display *dpy, GLXDrawable drawable, int barrier);
    497 typedef Bool ( * PFNGLXQUERYMAXSWAPBARRIERSSGIXPROC) (Display *dpy, int screen, int *max);
    498 #endif
    499 
    500 #ifndef GLX_SUN_get_transparent_index
    501 #define GLX_SUN_get_transparent_index 1
    502 #ifdef GLX_GLXEXT_PROTOTYPES
    503 extern Status glXGetTransparentIndexSUN (Display *, Window, Window, long *);
    504 #endif /* GLX_GLXEXT_PROTOTYPES */
    505 typedef Status ( * PFNGLXGETTRANSPARENTINDEXSUNPROC) (Display *dpy, Window overlay, Window underlay, long *pTransparentIndex);
    506 #endif
    507 
    508 #ifndef GLX_MESA_copy_sub_buffer
    509 #define GLX_MESA_copy_sub_buffer 1
    510 #ifdef GLX_GLXEXT_PROTOTYPES
    511 extern void glXCopySubBufferMESA (Display *, GLXDrawable, int, int, int, int);
    512 #endif /* GLX_GLXEXT_PROTOTYPES */
    513 typedef void ( * PFNGLXCOPYSUBBUFFERMESAPROC) (Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
    514 #endif
    515 
    516 #ifndef GLX_MESA_pixmap_colormap
    517 #define GLX_MESA_pixmap_colormap 1
    518 #ifdef GLX_GLXEXT_PROTOTYPES
    519 extern GLXPixmap glXCreateGLXPixmapMESA (Display *, XVisualInfo *, Pixmap, Colormap);
    520 #endif /* GLX_GLXEXT_PROTOTYPES */
    521 typedef GLXPixmap ( * PFNGLXCREATEGLXPIXMAPMESAPROC) (Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap);
    522 #endif
    523 
    524 #ifndef GLX_MESA_release_buffers
    525 #define GLX_MESA_release_buffers 1
    526 #ifdef GLX_GLXEXT_PROTOTYPES
    527 extern Bool glXReleaseBuffersMESA (Display *, GLXDrawable);
    528 #endif /* GLX_GLXEXT_PROTOTYPES */
    529 typedef Bool ( * PFNGLXRELEASEBUFFERSMESAPROC) (Display *dpy, GLXDrawable drawable);
    530 #endif
    531 
    532 #ifndef GLX_MESA_set_3dfx_mode
    533 #define GLX_MESA_set_3dfx_mode 1
    534 #ifdef GLX_GLXEXT_PROTOTYPES
    535 extern Bool glXSet3DfxModeMESA (int);
    536 #endif /* GLX_GLXEXT_PROTOTYPES */
    537 typedef Bool ( * PFNGLXSET3DFXMODEMESAPROC) (int mode);
    538 #endif
    539 
    540 
    541 #ifdef __cplusplus
    542 }
    543 #endif
    544 
    545 #endif
    546 
    547