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diff --git a/gl/glxext.h b/gl/glxext.h
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@@ -0,0 +1,817 @@
+#ifndef __glxext_h_
+#define __glxext_h_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+** Copyright (c) 2007 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
+#define WIN32_LEAN_AND_MEAN 1
+#include <windows.h>
+#endif
+
+#ifndef APIENTRY
+#define APIENTRY
+#endif
+#ifndef APIENTRYP
+#define APIENTRYP APIENTRY *
+#endif
+#ifndef GLAPI
+#define GLAPI extern
+#endif
+
+/*************************************************************/
+
+/* Header file version number, required by OpenGL ABI for Linux */
+/* glxext.h last updated 2008/08/10 */
+/* Current version at http://www.opengl.org/registry/ */
+#define GLX_GLXEXT_VERSION 20
+
+#ifndef GLX_VERSION_1_3
+#define GLX_WINDOW_BIT 0x00000001
+#define GLX_PIXMAP_BIT 0x00000002
+#define GLX_PBUFFER_BIT 0x00000004
+#define GLX_RGBA_BIT 0x00000001
+#define GLX_COLOR_INDEX_BIT 0x00000002
+#define GLX_PBUFFER_CLOBBER_MASK 0x08000000
+#define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
+#define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
+#define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
+#define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
+#define GLX_AUX_BUFFERS_BIT 0x00000010
+#define GLX_DEPTH_BUFFER_BIT 0x00000020
+#define GLX_STENCIL_BUFFER_BIT 0x00000040
+#define GLX_ACCUM_BUFFER_BIT 0x00000080
+#define GLX_CONFIG_CAVEAT 0x20
+#define GLX_X_VISUAL_TYPE 0x22
+#define GLX_TRANSPARENT_TYPE 0x23
+#define GLX_TRANSPARENT_INDEX_VALUE 0x24
+#define GLX_TRANSPARENT_RED_VALUE 0x25
+#define GLX_TRANSPARENT_GREEN_VALUE 0x26
+#define GLX_TRANSPARENT_BLUE_VALUE 0x27
+#define GLX_TRANSPARENT_ALPHA_VALUE 0x28
+#define GLX_DONT_CARE 0xFFFFFFFF
+#define GLX_NONE 0x8000
+#define GLX_SLOW_CONFIG 0x8001
+#define GLX_TRUE_COLOR 0x8002
+#define GLX_DIRECT_COLOR 0x8003
+#define GLX_PSEUDO_COLOR 0x8004
+#define GLX_STATIC_COLOR 0x8005
+#define GLX_GRAY_SCALE 0x8006
+#define GLX_STATIC_GRAY 0x8007
+#define GLX_TRANSPARENT_RGB 0x8008
+#define GLX_TRANSPARENT_INDEX 0x8009
+#define GLX_VISUAL_ID 0x800B
+#define GLX_SCREEN 0x800C
+#define GLX_NON_CONFORMANT_CONFIG 0x800D
+#define GLX_DRAWABLE_TYPE 0x8010
+#define GLX_RENDER_TYPE 0x8011
+#define GLX_X_RENDERABLE 0x8012
+#define GLX_FBCONFIG_ID 0x8013
+#define GLX_RGBA_TYPE 0x8014
+#define GLX_COLOR_INDEX_TYPE 0x8015
+#define GLX_MAX_PBUFFER_WIDTH 0x8016
+#define GLX_MAX_PBUFFER_HEIGHT 0x8017
+#define GLX_MAX_PBUFFER_PIXELS 0x8018
+#define GLX_PRESERVED_CONTENTS 0x801B
+#define GLX_LARGEST_PBUFFER 0x801C
+#define GLX_WIDTH 0x801D
+#define GLX_HEIGHT 0x801E
+#define GLX_EVENT_MASK 0x801F
+#define GLX_DAMAGED 0x8020
+#define GLX_SAVED 0x8021
+#define GLX_WINDOW 0x8022
+#define GLX_PBUFFER 0x8023
+#define GLX_PBUFFER_HEIGHT 0x8040
+#define GLX_PBUFFER_WIDTH 0x8041
+#endif
+
+#ifndef GLX_VERSION_1_4
+#define GLX_SAMPLE_BUFFERS 100000
+#define GLX_SAMPLES 100001
+#endif
+
+#ifndef GLX_ARB_get_proc_address
+#endif
+
+#ifndef GLX_ARB_multisample
+#define GLX_SAMPLE_BUFFERS_ARB 100000
+#define GLX_SAMPLES_ARB 100001
+#endif
+
+#ifndef GLX_ARB_fbconfig_float
+#define GLX_RGBA_FLOAT_TYPE_ARB 0x20B9
+#define GLX_RGBA_FLOAT_BIT_ARB 0x00000004
+#endif
+
+#ifndef GLX_SGIS_multisample
+#define GLX_SAMPLE_BUFFERS_SGIS 100000
+#define GLX_SAMPLES_SGIS 100001
+#endif
+
+#ifndef GLX_EXT_visual_info
+#define GLX_X_VISUAL_TYPE_EXT 0x22
+#define GLX_TRANSPARENT_TYPE_EXT 0x23
+#define GLX_TRANSPARENT_INDEX_VALUE_EXT 0x24
+#define GLX_TRANSPARENT_RED_VALUE_EXT 0x25
+#define GLX_TRANSPARENT_GREEN_VALUE_EXT 0x26
+#define GLX_TRANSPARENT_BLUE_VALUE_EXT 0x27
+#define GLX_TRANSPARENT_ALPHA_VALUE_EXT 0x28
+#define GLX_NONE_EXT 0x8000
+#define GLX_TRUE_COLOR_EXT 0x8002
+#define GLX_DIRECT_COLOR_EXT 0x8003
+#define GLX_PSEUDO_COLOR_EXT 0x8004
+#define GLX_STATIC_COLOR_EXT 0x8005
+#define GLX_GRAY_SCALE_EXT 0x8006
+#define GLX_STATIC_GRAY_EXT 0x8007
+#define GLX_TRANSPARENT_RGB_EXT 0x8008
+#define GLX_TRANSPARENT_INDEX_EXT 0x8009
+#endif
+
+#ifndef GLX_SGI_swap_control
+#endif
+
+#ifndef GLX_SGI_video_sync
+#endif
+
+#ifndef GLX_SGI_make_current_read
+#endif
+
+#ifndef GLX_SGIX_video_source
+#endif
+
+#ifndef GLX_EXT_visual_rating
+#define GLX_VISUAL_CAVEAT_EXT 0x20
+#define GLX_SLOW_VISUAL_EXT 0x8001
+#define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D
+/* reuse GLX_NONE_EXT */
+#endif
+
+#ifndef GLX_EXT_import_context
+#define GLX_SHARE_CONTEXT_EXT 0x800A
+#define GLX_VISUAL_ID_EXT 0x800B
+#define GLX_SCREEN_EXT 0x800C
+#endif
+
+#ifndef GLX_SGIX_fbconfig
+#define GLX_WINDOW_BIT_SGIX 0x00000001
+#define GLX_PIXMAP_BIT_SGIX 0x00000002
+#define GLX_RGBA_BIT_SGIX 0x00000001
+#define GLX_COLOR_INDEX_BIT_SGIX 0x00000002
+#define GLX_DRAWABLE_TYPE_SGIX 0x8010
+#define GLX_RENDER_TYPE_SGIX 0x8011
+#define GLX_X_RENDERABLE_SGIX 0x8012
+#define GLX_FBCONFIG_ID_SGIX 0x8013
+#define GLX_RGBA_TYPE_SGIX 0x8014
+#define GLX_COLOR_INDEX_TYPE_SGIX 0x8015
+/* reuse GLX_SCREEN_EXT */
+#endif
+
+#ifndef GLX_SGIX_pbuffer
+#define GLX_PBUFFER_BIT_SGIX 0x00000004
+#define GLX_BUFFER_CLOBBER_MASK_SGIX 0x08000000
+#define GLX_FRONT_LEFT_BUFFER_BIT_SGIX 0x00000001
+#define GLX_FRONT_RIGHT_BUFFER_BIT_SGIX 0x00000002
+#define GLX_BACK_LEFT_BUFFER_BIT_SGIX 0x00000004
+#define GLX_BACK_RIGHT_BUFFER_BIT_SGIX 0x00000008
+#define GLX_AUX_BUFFERS_BIT_SGIX 0x00000010
+#define GLX_DEPTH_BUFFER_BIT_SGIX 0x00000020
+#define GLX_STENCIL_BUFFER_BIT_SGIX 0x00000040
+#define GLX_ACCUM_BUFFER_BIT_SGIX 0x00000080
+#define GLX_SAMPLE_BUFFERS_BIT_SGIX 0x00000100
+#define GLX_MAX_PBUFFER_WIDTH_SGIX 0x8016
+#define GLX_MAX_PBUFFER_HEIGHT_SGIX 0x8017
+#define GLX_MAX_PBUFFER_PIXELS_SGIX 0x8018
+#define GLX_OPTIMAL_PBUFFER_WIDTH_SGIX 0x8019
+#define GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX 0x801A
+#define GLX_PRESERVED_CONTENTS_SGIX 0x801B
+#define GLX_LARGEST_PBUFFER_SGIX 0x801C
+#define GLX_WIDTH_SGIX 0x801D
+#define GLX_HEIGHT_SGIX 0x801E
+#define GLX_EVENT_MASK_SGIX 0x801F
+#define GLX_DAMAGED_SGIX 0x8020
+#define GLX_SAVED_SGIX 0x8021
+#define GLX_WINDOW_SGIX 0x8022
+#define GLX_PBUFFER_SGIX 0x8023
+#endif
+
+#ifndef GLX_SGI_cushion
+#endif
+
+#ifndef GLX_SGIX_video_resize
+#define GLX_SYNC_FRAME_SGIX 0x00000000
+#define GLX_SYNC_SWAP_SGIX 0x00000001
+#endif
+
+#ifndef GLX_SGIX_dmbuffer
+#define GLX_DIGITAL_MEDIA_PBUFFER_SGIX 0x8024
+#endif
+
+#ifndef GLX_SGIX_swap_group
+#endif
+
+#ifndef GLX_SGIX_swap_barrier
+#endif
+
+#ifndef GLX_SGIS_blended_overlay
+#define GLX_BLENDED_RGBA_SGIS 0x8025
+#endif
+
+#ifndef GLX_SGIS_shared_multisample
+#define GLX_MULTISAMPLE_SUB_RECT_WIDTH_SGIS 0x8026
+#define GLX_MULTISAMPLE_SUB_RECT_HEIGHT_SGIS 0x8027
+#endif
+
+#ifndef GLX_SUN_get_transparent_index
+#endif
+
+#ifndef GLX_3DFX_multisample
+#define GLX_SAMPLE_BUFFERS_3DFX 0x8050
+#define GLX_SAMPLES_3DFX 0x8051
+#endif
+
+#ifndef GLX_MESA_copy_sub_buffer
+#endif
+
+#ifndef GLX_MESA_pixmap_colormap
+#endif
+
+#ifndef GLX_MESA_release_buffers
+#endif
+
+#ifndef GLX_MESA_set_3dfx_mode
+#define GLX_3DFX_WINDOW_MODE_MESA 0x1
+#define GLX_3DFX_FULLSCREEN_MODE_MESA 0x2
+#endif
+
+#ifndef GLX_SGIX_visual_select_group
+#define GLX_VISUAL_SELECT_GROUP_SGIX 0x8028
+#endif
+
+#ifndef GLX_OML_swap_method
+#define GLX_SWAP_METHOD_OML 0x8060
+#define GLX_SWAP_EXCHANGE_OML 0x8061
+#define GLX_SWAP_COPY_OML 0x8062
+#define GLX_SWAP_UNDEFINED_OML 0x8063
+#endif
+
+#ifndef GLX_OML_sync_control
+#endif
+
+#ifndef GLX_NV_float_buffer
+#define GLX_FLOAT_COMPONENTS_NV 0x20B0
+#endif
+
+#ifndef GLX_SGIX_hyperpipe
+#define GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX 80
+#define GLX_BAD_HYPERPIPE_CONFIG_SGIX 91
+#define GLX_BAD_HYPERPIPE_SGIX 92
+#define GLX_HYPERPIPE_DISPLAY_PIPE_SGIX 0x00000001
+#define GLX_HYPERPIPE_RENDER_PIPE_SGIX 0x00000002
+#define GLX_PIPE_RECT_SGIX 0x00000001
+#define GLX_PIPE_RECT_LIMITS_SGIX 0x00000002
+#define GLX_HYPERPIPE_STEREO_SGIX 0x00000003
+#define GLX_HYPERPIPE_PIXEL_AVERAGE_SGIX 0x00000004
+#define GLX_HYPERPIPE_ID_SGIX 0x8030
+#endif
+
+#ifndef GLX_MESA_agp_offset
+#endif
+
+#ifndef GLX_EXT_fbconfig_packed_float
+#define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
+#define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
+#endif
+
+#ifndef GLX_EXT_framebuffer_sRGB
+#define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
+#endif
+
+#ifndef GLX_EXT_texture_from_pixmap
+#define GLX_TEXTURE_1D_BIT_EXT 0x00000001
+#define GLX_TEXTURE_2D_BIT_EXT 0x00000002
+#define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004
+#define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0
+#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
+#define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2
+#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
+#define GLX_Y_INVERTED_EXT 0x20D4
+#define GLX_TEXTURE_FORMAT_EXT 0x20D5
+#define GLX_TEXTURE_TARGET_EXT 0x20D6
+#define GLX_MIPMAP_TEXTURE_EXT 0x20D7
+#define GLX_TEXTURE_FORMAT_NONE_EXT 0x20D8
+#define GLX_TEXTURE_FORMAT_RGB_EXT 0x20D9
+#define GLX_TEXTURE_FORMAT_RGBA_EXT 0x20DA
+#define GLX_TEXTURE_1D_EXT 0x20DB
+#define GLX_TEXTURE_2D_EXT 0x20DC
+#define GLX_TEXTURE_RECTANGLE_EXT 0x20DD
+#define GLX_FRONT_LEFT_EXT 0x20DE
+#define GLX_FRONT_RIGHT_EXT 0x20DF
+#define GLX_BACK_LEFT_EXT 0x20E0
+#define GLX_BACK_RIGHT_EXT 0x20E1
+#define GLX_FRONT_EXT GLX_FRONT_LEFT_EXT
+#define GLX_BACK_EXT GLX_BACK_LEFT_EXT
+#define GLX_AUX0_EXT 0x20E2
+#define GLX_AUX1_EXT 0x20E3
+#define GLX_AUX2_EXT 0x20E4
+#define GLX_AUX3_EXT 0x20E5
+#define GLX_AUX4_EXT 0x20E6
+#define GLX_AUX5_EXT 0x20E7
+#define GLX_AUX6_EXT 0x20E8
+#define GLX_AUX7_EXT 0x20E9
+#define GLX_AUX8_EXT 0x20EA
+#define GLX_AUX9_EXT 0x20EB
+#endif
+
+#ifndef GLX_NV_present_video
+#define GLX_GLX_NUM_VIDEO_SLOTS_NV 0x20F0
+#endif
+
+#ifndef GLX_NV_video_out
+#define GLX_GLX_VIDEO_OUT_COLOR_NV 0x20C3
+#define GLX_GLX_VIDEO_OUT_ALPHA_NV 0x20C4
+#define GLX_GLX_VIDEO_OUT_DEPTH_NV 0x20C5
+#define GLX_GLX_VIDEO_OUT_COLOR_AND_ALPHA_NV 0x20C6
+#define GLX_GLX_VIDEO_OUT_COLOR_AND_DEPTH_NV 0x20C7
+#define GLX_GLX_VIDEO_OUT_FRAME_NV 0x20C8
+#define GLX_GLX_VIDEO_OUT_FIELD_1_NV 0x20C9
+#define GLX_GLX_VIDEO_OUT_FIELD_2_NV 0x20CA
+#define GLX_GLX_VIDEO_OUT_STACKED_FIELDS_1_2_NV 0x20CB
+#define GLX_GLX_VIDEO_OUT_STACKED_FIELDS_2_1_NV 0x20CC
+#endif
+
+#ifndef GLX_NV_swap_group
+#endif
+
+
+/*************************************************************/
+
+#ifndef GLX_ARB_get_proc_address
+typedef void (*__GLXextFuncPtr)(void);
+#endif
+
+#ifndef GLX_SGIX_video_source
+typedef XID GLXVideoSourceSGIX;
+#endif
+
+#ifndef GLX_SGIX_fbconfig
+typedef XID GLXFBConfigIDSGIX;
+typedef struct __GLXFBConfigRec *GLXFBConfigSGIX;
+#endif
+
+#ifndef GLX_SGIX_pbuffer
+typedef XID GLXPbufferSGIX;
+typedef struct {
+ int type;
+ unsigned long serial; /* # of last request processed by server */
+ Bool send_event; /* true if this came for SendEvent request */
+ Display *display; /* display the event was read from */
+ GLXDrawable drawable; /* i.d. of Drawable */
+ int event_type; /* GLX_DAMAGED_SGIX or GLX_SAVED_SGIX */
+ int draw_type; /* GLX_WINDOW_SGIX or GLX_PBUFFER_SGIX */
+ unsigned int mask; /* mask indicating which buffers are affected*/
+ int x, y;
+ int width, height;
+ int count; /* if nonzero, at least this many more */
+} GLXBufferClobberEventSGIX;
+#endif
+
+#ifndef GLEXT_64_TYPES_DEFINED
+/* This code block is duplicated in glext.h, so must be protected */
+#define GLEXT_64_TYPES_DEFINED
+/* Define int32_t, int64_t, and uint64_t types for UST/MSC */
+/* (as used in the GLX_OML_sync_control extension). */
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#include <inttypes.h>
+#elif defined(__sun__) || defined(__digital__)
+#include <inttypes.h>
+#if defined(__STDC__)
+#if defined(__arch64__) || defined(_LP64)
+typedef long int int64_t;
+typedef unsigned long int uint64_t;
+#else
+typedef long long int int64_t;
+typedef unsigned long long int uint64_t;
+#endif /* __arch64__ */
+#endif /* __STDC__ */
+#elif defined( __VMS ) || defined(__sgi)
+#include <inttypes.h>
+#elif defined(__SCO__) || defined(__USLC__)
+#include <stdint.h>
+#elif defined(__UNIXOS2__) || defined(__SOL64__)
+typedef long int int32_t;
+typedef long long int int64_t;
+typedef unsigned long long int uint64_t;
+#elif defined(_WIN32) && defined(__GNUC__)
+#include <stdint.h>
+#elif defined(_WIN32)
+typedef __int32 int32_t;
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#else
+#include <inttypes.h> /* Fallback option */
+#endif
+#endif
+
+#ifndef GLX_VERSION_1_3
+#define GLX_VERSION_1_3 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern GLXFBConfig * glXGetFBConfigs (Display *, int, int *);
+extern GLXFBConfig * glXChooseFBConfig (Display *, int, const int *, int *);
+extern int glXGetFBConfigAttrib (Display *, GLXFBConfig, int, int *);
+extern XVisualInfo * glXGetVisualFromFBConfig (Display *, GLXFBConfig);
+extern GLXWindow glXCreateWindow (Display *, GLXFBConfig, Window, const int *);
+extern void glXDestroyWindow (Display *, GLXWindow);
+extern GLXPixmap glXCreatePixmap (Display *, GLXFBConfig, Pixmap, const int *);
+extern void glXDestroyPixmap (Display *, GLXPixmap);
+extern GLXPbuffer glXCreatePbuffer (Display *, GLXFBConfig, const int *);
+extern void glXDestroyPbuffer (Display *, GLXPbuffer);
+extern void glXQueryDrawable (Display *, GLXDrawable, int, unsigned int *);
+extern GLXContext glXCreateNewContext (Display *, GLXFBConfig, int, GLXContext, Bool);
+extern Bool glXMakeContextCurrent (Display *, GLXDrawable, GLXDrawable, GLXContext);
+extern GLXDrawable glXGetCurrentReadDrawable (void);
+extern Display * glXGetCurrentDisplay (void);
+extern int glXQueryContext (Display *, GLXContext, int, int *);
+extern void glXSelectEvent (Display *, GLXDrawable, unsigned long);
+extern void glXGetSelectedEvent (Display *, GLXDrawable, unsigned long *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef GLXFBConfig * ( * PFNGLXGETFBCONFIGSPROC) (Display *dpy, int screen, int *nelements);
+typedef GLXFBConfig * ( * PFNGLXCHOOSEFBCONFIGPROC) (Display *dpy, int screen, const int *attrib_list, int *nelements);
+typedef int ( * PFNGLXGETFBCONFIGATTRIBPROC) (Display *dpy, GLXFBConfig config, int attribute, int *value);
+typedef XVisualInfo * ( * PFNGLXGETVISUALFROMFBCONFIGPROC) (Display *dpy, GLXFBConfig config);
+typedef GLXWindow ( * PFNGLXCREATEWINDOWPROC) (Display *dpy, GLXFBConfig config, Window win, const int *attrib_list);
+typedef void ( * PFNGLXDESTROYWINDOWPROC) (Display *dpy, GLXWindow win);
+typedef GLXPixmap ( * PFNGLXCREATEPIXMAPPROC) (Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list);
+typedef void ( * PFNGLXDESTROYPIXMAPPROC) (Display *dpy, GLXPixmap pixmap);
+typedef GLXPbuffer ( * PFNGLXCREATEPBUFFERPROC) (Display *dpy, GLXFBConfig config, const int *attrib_list);
+typedef void ( * PFNGLXDESTROYPBUFFERPROC) (Display *dpy, GLXPbuffer pbuf);
+typedef void ( * PFNGLXQUERYDRAWABLEPROC) (Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
+typedef GLXContext ( * PFNGLXCREATENEWCONTEXTPROC) (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
+typedef Bool ( * PFNGLXMAKECONTEXTCURRENTPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
+typedef GLXDrawable ( * PFNGLXGETCURRENTREADDRAWABLEPROC) (void);
+typedef Display * ( * PFNGLXGETCURRENTDISPLAYPROC) (void);
+typedef int ( * PFNGLXQUERYCONTEXTPROC) (Display *dpy, GLXContext ctx, int attribute, int *value);
+typedef void ( * PFNGLXSELECTEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long event_mask);
+typedef void ( * PFNGLXGETSELECTEDEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long *event_mask);
+#endif
+
+#ifndef GLX_VERSION_1_4
+#define GLX_VERSION_1_4 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern __GLXextFuncPtr glXGetProcAddress (const GLubyte *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef __GLXextFuncPtr ( * PFNGLXGETPROCADDRESSPROC) (const GLubyte *procName);
+#endif
+
+#ifndef GLX_ARB_get_proc_address
+#define GLX_ARB_get_proc_address 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef __GLXextFuncPtr ( * PFNGLXGETPROCADDRESSARBPROC) (const GLubyte *procName);
+#endif
+
+#ifndef GLX_ARB_multisample
+#define GLX_ARB_multisample 1
+#endif
+
+#ifndef GLX_ARB_fbconfig_float
+#define GLX_ARB_fbconfig_float 1
+#endif
+
+#ifndef GLX_SGIS_multisample
+#define GLX_SGIS_multisample 1
+#endif
+
+#ifndef GLX_EXT_visual_info
+#define GLX_EXT_visual_info 1
+#endif
+
+#ifndef GLX_SGI_swap_control
+#define GLX_SGI_swap_control 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern int glXSwapIntervalSGI (int);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef int ( * PFNGLXSWAPINTERVALSGIPROC) (int interval);
+#endif
+
+#ifndef GLX_SGI_video_sync
+#define GLX_SGI_video_sync 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern int glXGetVideoSyncSGI (unsigned int *);
+extern int glXWaitVideoSyncSGI (int, int, unsigned int *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef int ( * PFNGLXGETVIDEOSYNCSGIPROC) (unsigned int *count);
+typedef int ( * PFNGLXWAITVIDEOSYNCSGIPROC) (int divisor, int remainder, unsigned int *count);
+#endif
+
+#ifndef GLX_SGI_make_current_read
+#define GLX_SGI_make_current_read 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern Bool glXMakeCurrentReadSGI (Display *, GLXDrawable, GLXDrawable, GLXContext);
+extern GLXDrawable glXGetCurrentReadDrawableSGI (void);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef Bool ( * PFNGLXMAKECURRENTREADSGIPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
+typedef GLXDrawable ( * PFNGLXGETCURRENTREADDRAWABLESGIPROC) (void);
+#endif
+
+#ifndef GLX_SGIX_video_source
+#define GLX_SGIX_video_source 1
+#ifdef _VL_H
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern GLXVideoSourceSGIX glXCreateGLXVideoSourceSGIX (Display *, int, VLServer, VLPath, int, VLNode);
+extern void glXDestroyGLXVideoSourceSGIX (Display *, GLXVideoSourceSGIX);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef GLXVideoSourceSGIX ( * PFNGLXCREATEGLXVIDEOSOURCESGIXPROC) (Display *display, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode);
+typedef void ( * PFNGLXDESTROYGLXVIDEOSOURCESGIXPROC) (Display *dpy, GLXVideoSourceSGIX glxvideosource);
+#endif /* _VL_H */
+#endif
+
+#ifndef GLX_EXT_visual_rating
+#define GLX_EXT_visual_rating 1
+#endif
+
+#ifndef GLX_EXT_import_context
+#define GLX_EXT_import_context 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern Display * glXGetCurrentDisplayEXT (void);
+extern int glXQueryContextInfoEXT (Display *, GLXContext, int, int *);
+extern GLXContextID glXGetContextIDEXT (const GLXContext);
+extern GLXContext glXImportContextEXT (Display *, GLXContextID);
+extern void glXFreeContextEXT (Display *, GLXContext);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef Display * ( * PFNGLXGETCURRENTDISPLAYEXTPROC) (void);
+typedef int ( * PFNGLXQUERYCONTEXTINFOEXTPROC) (Display *dpy, GLXContext context, int attribute, int *value);
+typedef GLXContextID ( * PFNGLXGETCONTEXTIDEXTPROC) (const GLXContext context);
+typedef GLXContext ( * PFNGLXIMPORTCONTEXTEXTPROC) (Display *dpy, GLXContextID contextID);
+typedef void ( * PFNGLXFREECONTEXTEXTPROC) (Display *dpy, GLXContext context);
+#endif
+
+#ifndef GLX_SGIX_fbconfig
+#define GLX_SGIX_fbconfig 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern int glXGetFBConfigAttribSGIX (Display *, GLXFBConfigSGIX, int, int *);
+extern GLXFBConfigSGIX * glXChooseFBConfigSGIX (Display *, int, int *, int *);
+extern GLXPixmap glXCreateGLXPixmapWithConfigSGIX (Display *, GLXFBConfigSGIX, Pixmap);
+extern GLXContext glXCreateContextWithConfigSGIX (Display *, GLXFBConfigSGIX, int, GLXContext, Bool);
+extern XVisualInfo * glXGetVisualFromFBConfigSGIX (Display *, GLXFBConfigSGIX);
+extern GLXFBConfigSGIX glXGetFBConfigFromVisualSGIX (Display *, XVisualInfo *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef int ( * PFNGLXGETFBCONFIGATTRIBSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int attribute, int *value);
+typedef GLXFBConfigSGIX * ( * PFNGLXCHOOSEFBCONFIGSGIXPROC) (Display *dpy, int screen, int *attrib_list, int *nelements);
+typedef GLXPixmap ( * PFNGLXCREATEGLXPIXMAPWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap);
+typedef GLXContext ( * PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct);
+typedef XVisualInfo * ( * PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config);
+typedef GLXFBConfigSGIX ( * PFNGLXGETFBCONFIGFROMVISUALSGIXPROC) (Display *dpy, XVisualInfo *vis);
+#endif
+
+#ifndef GLX_SGIX_pbuffer
+#define GLX_SGIX_pbuffer 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern GLXPbufferSGIX glXCreateGLXPbufferSGIX (Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *);
+extern void glXDestroyGLXPbufferSGIX (Display *, GLXPbufferSGIX);
+extern int glXQueryGLXPbufferSGIX (Display *, GLXPbufferSGIX, int, unsigned int *);
+extern void glXSelectEventSGIX (Display *, GLXDrawable, unsigned long);
+extern void glXGetSelectedEventSGIX (Display *, GLXDrawable, unsigned long *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef GLXPbufferSGIX ( * PFNGLXCREATEGLXPBUFFERSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list);
+typedef void ( * PFNGLXDESTROYGLXPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuf);
+typedef int ( * PFNGLXQUERYGLXPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value);
+typedef void ( * PFNGLXSELECTEVENTSGIXPROC) (Display *dpy, GLXDrawable drawable, unsigned long mask);
+typedef void ( * PFNGLXGETSELECTEDEVENTSGIXPROC) (Display *dpy, GLXDrawable drawable, unsigned long *mask);
+#endif
+
+#ifndef GLX_SGI_cushion
+#define GLX_SGI_cushion 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern void glXCushionSGI (Display *, Window, float);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef void ( * PFNGLXCUSHIONSGIPROC) (Display *dpy, Window window, float cushion);
+#endif
+
+#ifndef GLX_SGIX_video_resize
+#define GLX_SGIX_video_resize 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern int glXBindChannelToWindowSGIX (Display *, int, int, Window);
+extern int glXChannelRectSGIX (Display *, int, int, int, int, int, int);
+extern int glXQueryChannelRectSGIX (Display *, int, int, int *, int *, int *, int *);
+extern int glXQueryChannelDeltasSGIX (Display *, int, int, int *, int *, int *, int *);
+extern int glXChannelRectSyncSGIX (Display *, int, int, GLenum);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef int ( * PFNGLXBINDCHANNELTOWINDOWSGIXPROC) (Display *display, int screen, int channel, Window window);
+typedef int ( * PFNGLXCHANNELRECTSGIXPROC) (Display *display, int screen, int channel, int x, int y, int w, int h);
+typedef int ( * PFNGLXQUERYCHANNELRECTSGIXPROC) (Display *display, int screen, int channel, int *dx, int *dy, int *dw, int *dh);
+typedef int ( * PFNGLXQUERYCHANNELDELTASSGIXPROC) (Display *display, int screen, int channel, int *x, int *y, int *w, int *h);
+typedef int ( * PFNGLXCHANNELRECTSYNCSGIXPROC) (Display *display, int screen, int channel, GLenum synctype);
+#endif
+
+#ifndef GLX_SGIX_dmbuffer
+#define GLX_SGIX_dmbuffer 1
+#ifdef _DM_BUFFER_H_
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern Bool glXAssociateDMPbufferSGIX (Display *, GLXPbufferSGIX, DMparams *, DMbuffer);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef Bool ( * PFNGLXASSOCIATEDMPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer);
+#endif /* _DM_BUFFER_H_ */
+#endif
+
+#ifndef GLX_SGIX_swap_group
+#define GLX_SGIX_swap_group 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern void glXJoinSwapGroupSGIX (Display *, GLXDrawable, GLXDrawable);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef void ( * PFNGLXJOINSWAPGROUPSGIXPROC) (Display *dpy, GLXDrawable drawable, GLXDrawable member);
+#endif
+
+#ifndef GLX_SGIX_swap_barrier
+#define GLX_SGIX_swap_barrier 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern void glXBindSwapBarrierSGIX (Display *, GLXDrawable, int);
+extern Bool glXQueryMaxSwapBarriersSGIX (Display *, int, int *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef void ( * PFNGLXBINDSWAPBARRIERSGIXPROC) (Display *dpy, GLXDrawable drawable, int barrier);
+typedef Bool ( * PFNGLXQUERYMAXSWAPBARRIERSSGIXPROC) (Display *dpy, int screen, int *max);
+#endif
+
+#ifndef GLX_SUN_get_transparent_index
+#define GLX_SUN_get_transparent_index 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern Status glXGetTransparentIndexSUN (Display *, Window, Window, long *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef Status ( * PFNGLXGETTRANSPARENTINDEXSUNPROC) (Display *dpy, Window overlay, Window underlay, long *pTransparentIndex);
+#endif
+
+#ifndef GLX_MESA_copy_sub_buffer
+#define GLX_MESA_copy_sub_buffer 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern void glXCopySubBufferMESA (Display *, GLXDrawable, int, int, int, int);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef void ( * PFNGLXCOPYSUBBUFFERMESAPROC) (Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
+#endif
+
+#ifndef GLX_MESA_pixmap_colormap
+#define GLX_MESA_pixmap_colormap 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern GLXPixmap glXCreateGLXPixmapMESA (Display *, XVisualInfo *, Pixmap, Colormap);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef GLXPixmap ( * PFNGLXCREATEGLXPIXMAPMESAPROC) (Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap);
+#endif
+
+#ifndef GLX_MESA_release_buffers
+#define GLX_MESA_release_buffers 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern Bool glXReleaseBuffersMESA (Display *, GLXDrawable);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef Bool ( * PFNGLXRELEASEBUFFERSMESAPROC) (Display *dpy, GLXDrawable drawable);
+#endif
+
+#ifndef GLX_MESA_set_3dfx_mode
+#define GLX_MESA_set_3dfx_mode 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern Bool glXSet3DfxModeMESA (int);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef Bool ( * PFNGLXSET3DFXMODEMESAPROC) (int mode);
+#endif
+
+#ifndef GLX_SGIX_visual_select_group
+#define GLX_SGIX_visual_select_group 1
+#endif
+
+#ifndef GLX_OML_swap_method
+#define GLX_OML_swap_method 1
+#endif
+
+#ifndef GLX_OML_sync_control
+#define GLX_OML_sync_control 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern Bool glXGetSyncValuesOML (Display *, GLXDrawable, int64_t *, int64_t *, int64_t *);
+extern Bool glXGetMscRateOML (Display *, GLXDrawable, int32_t *, int32_t *);
+extern int64_t glXSwapBuffersMscOML (Display *, GLXDrawable, int64_t, int64_t, int64_t);
+extern Bool glXWaitForMscOML (Display *, GLXDrawable, int64_t, int64_t, int64_t, int64_t *, int64_t *, int64_t *);
+extern Bool glXWaitForSbcOML (Display *, GLXDrawable, int64_t, int64_t *, int64_t *, int64_t *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef Bool ( * PFNGLXGETSYNCVALUESOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t *ust, int64_t *msc, int64_t *sbc);
+typedef Bool ( * PFNGLXGETMSCRATEOMLPROC) (Display *dpy, GLXDrawable drawable, int32_t *numerator, int32_t *denominator);
+typedef int64_t ( * PFNGLXSWAPBUFFERSMSCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder);
+typedef Bool ( * PFNGLXWAITFORMSCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc);
+typedef Bool ( * PFNGLXWAITFORSBCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_sbc, int64_t *ust, int64_t *msc, int64_t *sbc);
+#endif
+
+#ifndef GLX_NV_float_buffer
+#define GLX_NV_float_buffer 1
+#endif
+
+#ifndef GLX_SGIX_hyperpipe
+#define GLX_SGIX_hyperpipe 1
+
+typedef struct {
+ char pipeName[GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX];
+ int networkId;
+} GLXHyperpipeNetworkSGIX;
+
+typedef struct {
+ char pipeName[GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX];
+ int channel;
+ unsigned int
+ participationType;
+ int timeSlice;
+} GLXHyperpipeConfigSGIX;
+
+typedef struct {
+ char pipeName[GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX];
+ int srcXOrigin, srcYOrigin, srcWidth, srcHeight;
+ int destXOrigin, destYOrigin, destWidth, destHeight;
+} GLXPipeRect;
+
+typedef struct {
+ char pipeName[GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX];
+ int XOrigin, YOrigin, maxHeight, maxWidth;
+} GLXPipeRectLimits;
+
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern GLXHyperpipeNetworkSGIX * glXQueryHyperpipeNetworkSGIX (Display *, int *);
+extern int glXHyperpipeConfigSGIX (Display *, int, int, GLXHyperpipeConfigSGIX *, int *);
+extern GLXHyperpipeConfigSGIX * glXQueryHyperpipeConfigSGIX (Display *, int, int *);
+extern int glXDestroyHyperpipeConfigSGIX (Display *, int);
+extern int glXBindHyperpipeSGIX (Display *, int);
+extern int glXQueryHyperpipeBestAttribSGIX (Display *, int, int, int, void *, void *);
+extern int glXHyperpipeAttribSGIX (Display *, int, int, int, void *);
+extern int glXQueryHyperpipeAttribSGIX (Display *, int, int, int, void *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef GLXHyperpipeNetworkSGIX * ( * PFNGLXQUERYHYPERPIPENETWORKSGIXPROC) (Display *dpy, int *npipes);
+typedef int ( * PFNGLXHYPERPIPECONFIGSGIXPROC) (Display *dpy, int networkId, int npipes, GLXHyperpipeConfigSGIX *cfg, int *hpId);
+typedef GLXHyperpipeConfigSGIX * ( * PFNGLXQUERYHYPERPIPECONFIGSGIXPROC) (Display *dpy, int hpId, int *npipes);
+typedef int ( * PFNGLXDESTROYHYPERPIPECONFIGSGIXPROC) (Display *dpy, int hpId);
+typedef int ( * PFNGLXBINDHYPERPIPESGIXPROC) (Display *dpy, int hpId);
+typedef int ( * PFNGLXQUERYHYPERPIPEBESTATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *attribList, void *returnAttribList);
+typedef int ( * PFNGLXHYPERPIPEATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *attribList);
+typedef int ( * PFNGLXQUERYHYPERPIPEATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *returnAttribList);
+#endif
+
+#ifndef GLX_MESA_agp_offset
+#define GLX_MESA_agp_offset 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern unsigned int glXGetAGPOffsetMESA (const void *);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef unsigned int ( * PFNGLXGETAGPOFFSETMESAPROC) (const void *pointer);
+#endif
+
+#ifndef GLX_EXT_fbconfig_packed_float
+#define GLX_EXT_fbconfig_packed_float 1
+#endif
+
+#ifndef GLX_EXT_framebuffer_sRGB
+#define GLX_EXT_framebuffer_sRGB 1
+#endif
+
+#ifndef GLX_EXT_texture_from_pixmap
+#define GLX_EXT_texture_from_pixmap 1
+#ifdef GLX_GLXEXT_PROTOTYPES
+extern void glXBindTexImageEXT (Display *, GLXDrawable, int, const int *);
+extern void glXReleaseTexImageEXT (Display *, GLXDrawable, int);
+#endif /* GLX_GLXEXT_PROTOTYPES */
+typedef void ( * PFNGLXBINDTEXIMAGEEXTPROC) (Display *dpy, GLXDrawable drawable, int buffer, const int *attrib_list);
+typedef void ( * PFNGLXRELEASETEXIMAGEEXTPROC) (Display *dpy, GLXDrawable drawable, int buffer);
+#endif
+
+#ifndef GLX_NV_present_video
+#define GLX_NV_present_video 1
+#endif
+
+#ifndef GLX_NV_video_out
+#define GLX_NV_video_out 1
+#endif
+
+#ifndef GLX_NV_swap_group
+#define GLX_NV_swap_group 1
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif