#ifndef __SG_EXTENSIONS_HXX
#define __SG_EXTENSIONS_HXX 1
-#if defined(__CYGWIN__) && !defined(WIN32) /* && !defined(USING_X) */
-#define WIN32
-#endif
-
-#if defined(WIN32) /* MINGW and MSC predefine WIN32 */
-# include <windows.h>
-#endif
-
-#if !defined(WIN32)
-# include <dlfcn.h>
-#endif
#include <simgear/compiler.h>
-#include SG_GL_H
-
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-#ifndef APIENTRY
-#define APIENTRY
-#endif
-
bool SGSearchExtensionsString(const char *extString, const char *extName);
-bool SGIsOpenGLExtensionSupported(char *extName);
-
-#ifdef __APPLE__
- // don't use an inline function for symbol lookup, since it is too big
- void* macosxGetGLProcAddress(const char *func);
-
-#elif !defined( WIN32 )
-
- void *SGGetGLProcAddress(const char *func);
-
-#endif
-
-inline void (*SGLookupFunction(const char *func))()
-{
-#if defined( WIN32 )
- return (void (*)()) wglGetProcAddress(func);
-
-#elif defined( __APPLE__ )
- return (void (*)()) macosxGetGLProcAddress(func);
-
-#else // UNIX
-
- return (void (*)()) SGGetGLProcAddress(func);
-#endif
-}
-
-/*
- * OpenGL 1.2 and 1.3 enumerants
- */
-
-#ifndef GL_VERSION_1_2
-#define GL_CLAMP_TO_EDGE 0x812F
-#define GL_TEXTURE_WRAP_R 0x8072
-#define GL_BLEND_EQUATION 0x8009
-#define GL_MIN 0x8007
-#define GL_MAX 0x8008
-#define GL_FUNC_ADD 0x8006
-#define GL_FUNC_SUBTRACT 0x800A
-#define GL_FUNC_REVERSE_SUBTRACT 0x800B
-#define GL_BLEND_COLOR 0x8005
-#define GL_CONSTANT_COLOR 0x8001
-#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
-#define GL_CONSTANT_ALPHA 0x8003
-#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
-#endif
-
-typedef void (APIENTRY * glBlendEquationProc) (GLenum mode );
-typedef void (APIENTRY * glBlendColorProc) (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha );
-
-
-/* OpenGL extension declarations */
-
-/*
- * glPointParameterf and glPointParameterfv
- */
-#ifndef GL_EXT_point_parameters
-#define GL_EXT_point_parameters 1
-#define GL_POINT_SIZE_MIN_EXT 0x8126
-#define GL_DISTANCE_ATTENUATION_EXT 0x8129
-#endif
-
-#ifndef GL_ARB_point_parameters
-#define GL_ARB_point_parameters 1
-#define GL_POINT_SIZE_MIN_ARB 0x8126
-#define GL_DISTANCE_ATTENUATION_ARB 0x8129
-#endif
-
-typedef void (APIENTRY * glPointParameterfProc)(GLenum pname, GLfloat param);
-typedef void (APIENTRY * glPointParameterfvProc)(GLenum pname, const GLfloat *params);
-
-/*
- * glActiveTextureARB
- */
-
-#ifndef GL_ARB_multitexture
-#define GL_ARB_multitexture 1
-#define GL_TEXTURE0_ARB 0x84C0
-#define GL_TEXTURE1_ARB 0x84C1
-#define GL_TEXTURE2_ARB 0x84C2
-#define GL_TEXTURE3_ARB 0x84C3
-#define GL_TEXTURE4_ARB 0x84C4
-#define GL_TEXTURE5_ARB 0x84C5
-#define GL_TEXTURE6_ARB 0x84C6
-#define GL_TEXTURE7_ARB 0x84C7
-#define GL_TEXTURE8_ARB 0x84C8
-#define GL_TEXTURE9_ARB 0x84C9
-#define GL_TEXTURE10_ARB 0x84CA
-#define GL_TEXTURE11_ARB 0x84CB
-#define GL_TEXTURE12_ARB 0x84CC
-#define GL_TEXTURE13_ARB 0x84CD
-#define GL_TEXTURE14_ARB 0x84CE
-#define GL_TEXTURE15_ARB 0x84CF
-#define GL_TEXTURE16_ARB 0x84D0
-#define GL_TEXTURE17_ARB 0x84D1
-#define GL_TEXTURE18_ARB 0x84D2
-#define GL_TEXTURE19_ARB 0x84D3
-#define GL_TEXTURE20_ARB 0x84D4
-#define GL_TEXTURE21_ARB 0x84D5
-#define GL_TEXTURE22_ARB 0x84D6
-#define GL_TEXTURE23_ARB 0x84D7
-#define GL_TEXTURE24_ARB 0x84D8
-#define GL_TEXTURE25_ARB 0x84D9
-#define GL_TEXTURE26_ARB 0x84DA
-#define GL_TEXTURE27_ARB 0x84DB
-#define GL_TEXTURE28_ARB 0x84DC
-#define GL_TEXTURE29_ARB 0x84DD
-#define GL_TEXTURE30_ARB 0x84DE
-#define GL_TEXTURE31_ARB 0x84DF
-#define GL_ACTIVE_TEXTURE_ARB 0x84E0
-#define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
-#define GL_MAX_TEXTURE_UNITS_ARB 0x84E2
-#endif
-
-typedef void (APIENTRY * glActiveTextureProc)(GLenum texture);
-typedef void (APIENTRY * glClientActiveTextureProc)(GLenum texture);
-
-/*
- * GL_EXT_separate_specular_color
- */
-
-#ifndef GL_LIGHT_MODEL_COLOR_CONTROL
-#define GL_LIGHT_MODEL_COLOR_CONTROL 0x81F8
-#define GL_SINGLE_COLOR 0x81F9
-#define GL_SEPARATE_SPECULAR_COLOR 0x81FA
-#endif
-
-/*
- * GL_ARB_texture_cube_map
- */
-
-#ifndef GL_ARB_texture_cube_map
-#define GL_ARB_texture_cube_map 1
-#define GL_NORMAL_MAP_ARB 0x8511
-#define GL_REFLECTION_MAP_ARB 0x8512
-#define GL_TEXTURE_CUBE_MAP_ARB 0x8513
-#define GL_TEXTURE_BINDING_CUBE_MAP_ARB 0x8514
-#define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x8515
-#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x8516
-#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x8517
-#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x8518
-#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x8519
-#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x851A
-#define GL_PROXY_TEXTURE_CUBE_MAP_ARB 0x851B
-#define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB 0x851C
-#endif
-
-/*
- * GL_ARB_texture_env_combine
- */
-
-#ifndef GL_ARB_texture_env_combine
-#define GL_ARB_texture_env_combine 1
-#define GL_COMBINE_ARB 0x8570
-#define GL_COMBINE_RGB_ARB 0x8571
-#define GL_COMBINE_ALPHA_ARB 0x8572
-#define GL_RGB_SCALE_ARB 0x8573
-#define GL_ADD_SIGNED_ARB 0x8574
-#define GL_INTERPOLATE_ARB 0x8575
-#define GL_SUBTRACT_ARB 0x84E7
-#define GL_CONSTANT_ARB 0x8576
-#define GL_PRIMARY_COLOR_ARB 0x8577
-#define GL_PREVIOUS_ARB 0x8578
-#define GL_SOURCE0_RGB_ARB 0x8580
-#define GL_SOURCE1_RGB_ARB 0x8581
-#define GL_SOURCE2_RGB_ARB 0x8582
-#define GL_SOURCE0_ALPHA_ARB 0x8588
-#define GL_SOURCE1_ALPHA_ARB 0x8589
-#define GL_SOURCE2_ALPHA_ARB 0x858A
-#define GL_OPERAND0_RGB_ARB 0x8590
-#define GL_OPERAND1_RGB_ARB 0x8591
-#define GL_OPERAND2_RGB_ARB 0x8592
-#define GL_OPERAND0_ALPHA_ARB 0x8598
-#define GL_OPERAND1_ALPHA_ARB 0x8599
-#define GL_OPERAND2_ALPHA_ARB 0x859A
-#endif
-
-/*
- * GL_ARB_texture_env_dot3
- */
-
-#ifndef GL_ARB_texture_env_dot3
-#define GL_ARB_texture_env_dot3 1
-#define GL_DOT3_RGB_ARB 0x86AE
-#define GL_DOT3_RGBA_ARB 0x86AF
-#endif
-
-/*
- * ARB_depth_texture
- */
-#ifndef GL_ARB_depth_texture
-#define GL_ARB_depth_texture 1
-#define GL_DEPTH_COMPONENT16_ARB 0x81A5
-#define GL_DEPTH_COMPONENT24_ARB 0x81A6
-#define GL_DEPTH_COMPONENT32_ARB 0x81A7
-#define GL_TEXTURE_DEPTH_SIZE_ARB 0x884A
-#define GL_DEPTH_TEXTURE_MODE_ARB 0x884B
-#endif
-
-/*
- * ARB_multisample
- */
-#ifndef GL_ARB_multisample
-#define GL_ARB_multisample 1
-#define GL_MULTISAMPLE_ARB 0x809D
-#define GL_SAMPLE_ALPHA_TO_COVERAGE_ARB 0x809E
-#define GL_SAMPLE_ALPHA_TO_ONE_ARB 0x809F
-#define GL_SAMPLE_COVERAGE_ARB 0x80A0
-#define GL_SAMPLE_BUFFERS_ARB 0x80A8
-#define GL_SAMPLES_ARB 0x80A9
-#define GL_SAMPLE_COVERAGE_VALUE_ARB 0x80AA
-#define GL_SAMPLE_COVERAGE_INVERT_ARB 0x80AB
-#define GL_MULTISAMPLE_BIT_ARB 0x20000000
-#define GL_DOUBLEBUFFER 0x0C32
-#define GL_AUX_BUFFERS 0x0C00
-#define WGL_SAMPLE_BUFFERS_ARB 0x2041
-#define WGL_SAMPLES_ARB 0x2042
-#endif
-
-#ifndef GL_SGIS_generate_mipmap
-#define GL_SGIS_generate_mipmap 1
-#define GL_GENERATE_MIPMAP_SGIS 0x8191
-#define GL_GENERATE_MIPMAP_HINT_SGIS 0x8192
-#endif
-
-/* WGL spcific OpenGL extenstions */
-#ifdef WIN32
-
-/*
- * WGL_ARB_extensions_string
- */
-#ifndef WGL_ARB_extensions_string
-#define WGL_ARB_extensions_string 1
-typedef const char * (APIENTRY * wglGetExtensionsStringARBProc) (HDC hDC);
-#endif
-
-/*
- * WGL_ARB_pbuffer
- */
-#ifndef WGL_ARB_pbuffer
-#define WGL_ARB_pbuffer 1
-#define WGL_DRAW_TO_PBUFFER_ARB 0x202D
-#define WGL_MAX_PBUFFER_PIXELS_ARB 0x202E
-#define WGL_MAX_PBUFFER_WIDTH_ARB 0x202F
-#define WGL_MAX_PBUFFER_HEIGHT_ARB 0x2030
-#define WGL_PBUFFER_LARGEST_ARB 0x2033
-#define WGL_PBUFFER_WIDTH_ARB 0x2034
-#define WGL_PBUFFER_HEIGHT_ARB 0x2035
-#define WGL_PBUFFER_LOST_ARB 0x2036
-DECLARE_HANDLE(HPBUFFERARB);
-typedef HPBUFFERARB (APIENTRY * wglCreatePbufferARBProc) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
-typedef HDC (APIENTRY * wglGetPbufferDCARBProc) (HPBUFFERARB hPbuffer);
-typedef int (APIENTRY * wglReleasePbufferDCARBProc) (HPBUFFERARB hPbuffer, HDC hDC);
-typedef BOOL (APIENTRY * wglDestroyPbufferARBProc) (HPBUFFERARB hPbuffer);
-typedef BOOL (APIENTRY * wglQueryPbufferARBProc) (HPBUFFERARB hPbuffer, int iAttribute, int *piValue);
-#endif
-
-
-/*
- * ARB_pixel_format
- */
-#ifndef WGL_ARB_pixel_format
-#define WGL_ARB_pixel_format 1
-#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
-#define WGL_DRAW_TO_WINDOW_ARB 0x2001
-#define WGL_DRAW_TO_BITMAP_ARB 0x2002
-#define WGL_ACCELERATION_ARB 0x2003
-#define WGL_NEED_PALETTE_ARB 0x2004
-#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
-#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
-#define WGL_SWAP_METHOD_ARB 0x2007
-#define WGL_NUMBER_OVERLAYS_ARB 0x2008
-#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
-#define WGL_TRANSPARENT_ARB 0x200A
-#define WGL_SHARE_DEPTH_ARB 0x200C
-#define WGL_SHARE_STENCIL_ARB 0x200D
-#define WGL_SHARE_ACCUM_ARB 0x200E
-#define WGL_SUPPORT_GDI_ARB 0x200F
-#define WGL_SUPPORT_OPENGL_ARB 0x2010
-#define WGL_DOUBLE_BUFFER_ARB 0x2011
-#define WGL_STEREO_ARB 0x2012
-#define WGL_PIXEL_TYPE_ARB 0x2013
-#define WGL_COLOR_BITS_ARB 0x2014
-#define WGL_RED_BITS_ARB 0x2015
-#define WGL_RED_SHIFT_ARB 0x2016
-#define WGL_GREEN_BITS_ARB 0x2017
-#define WGL_GREEN_SHIFT_ARB 0x2018
-#define WGL_BLUE_BITS_ARB 0x2019
-#define WGL_BLUE_SHIFT_ARB 0x201A
-#define WGL_ALPHA_BITS_ARB 0x201B
-#define WGL_ALPHA_SHIFT_ARB 0x201C
-#define WGL_ACCUM_BITS_ARB 0x201D
-#define WGL_ACCUM_RED_BITS_ARB 0x201E
-#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
-#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
-#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
-#define WGL_DEPTH_BITS_ARB 0x2022
-#define WGL_STENCIL_BITS_ARB 0x2023
-#define WGL_AUX_BUFFERS_ARB 0x2024
-#define WGL_NO_ACCELERATION_ARB 0x2025
-#define WGL_GENERIC_ACCELERATION_ARB 0x2026
-#define WGL_FULL_ACCELERATION_ARB 0x2027
-#define WGL_SWAP_EXCHANGE_ARB 0x2028
-#define WGL_SWAP_COPY_ARB 0x2029
-#define WGL_SWAP_UNDEFINED_ARB 0x202A
-#define WGL_TYPE_RGBA_ARB 0x202B
-#define WGL_TYPE_COLORINDEX_ARB 0x202C
-#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
-#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
-#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
-#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
-#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
-typedef BOOL (APIENTRY * wglGetPixelFormatAttribivARBProc) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
-typedef BOOL (APIENTRY * wglGetPixelFormatAttribfvARBProc) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues);
-typedef BOOL (APIENTRY * wglChoosePixelFormatARBProc) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
-#endif
-
-/*
- * ARB_render_texture
- */
-#ifndef WGL_ARB_render_texture
-#define WGL_ARB_render_texture 1
-
-#define WGL_BIND_TO_TEXTURE_RGB_ARB 0x2070
-#define WGL_BIND_TO_TEXTURE_RGBA_ARB 0x2071
-#define WGL_TEXTURE_FORMAT_ARB 0x2072
-#define WGL_TEXTURE_TARGET_ARB 0x2073
-#define WGL_MIPMAP_TEXTURE_ARB 0x2074
-#define WGL_TEXTURE_RGB_ARB 0x2075
-#define WGL_TEXTURE_RGBA_ARB 0x2076
-#define WGL_NO_TEXTURE_ARB 0x2077
-#define WGL_TEXTURE_CUBE_MAP_ARB 0x2078
-#define WGL_TEXTURE_1D_ARB 0x2079
-#define WGL_TEXTURE_2D_ARB 0x207A
-#define WGL_NO_TEXTURE_ARB 0x2077
-#define WGL_MIPMAP_LEVEL_ARB 0x207B
-#define WGL_CUBE_MAP_FACE_ARB 0x207C
-#define WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
-#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
-#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
-#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
-#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
-#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
-#define WGL_FRONT_LEFT_ARB 0x2083
-#define WGL_FRONT_RIGHT_ARB 0x2084
-#define WGL_BACK_LEFT_ARB 0x2085
-#define WGL_BACK_RIGHT_ARB 0x2086
-#define WGL_AUX0_ARB 0x2087
-#define WGL_AUX1_ARB 0x2088
-#define WGL_AUX2_ARB 0x2089
-#define WGL_AUX3_ARB 0x208A
-#define WGL_AUX4_ARB 0x208B
-#define WGL_AUX5_ARB 0x208C
-#define WGL_AUX6_ARB 0x208D
-#define WGL_AUX7_ARB 0x208E
-#define WGL_AUX8_ARB 0x208F
-#define WGL_AUX9_ARB 0x2090
-typedef BOOL (APIENTRY * wglBindTexImageARBProc) (HPBUFFERARB hPbuffer, int iBuffer);
-typedef BOOL (APIENTRY * wglReleaseTexImageARBProc) (HPBUFFERARB hPbuffer, int iBuffer);
-typedef BOOL (APIENTRY * wglSetPbufferAttribARBProc) (HPBUFFERARB hPbuffer, const int *piAttribList);
-#endif
-
-#elif !defined(__APPLE__) /* !WIN32 */
-
-/* GLX pcific OpenGL extenstions */
-#include <GL/glx.h>
-
-#ifndef GLX_ARB_multisample
-#define GLX_ARB_multisample1
-#define GLX_SAMPLE_BUFFERS_ARB 100001
-#define GLX_SAMPLES_ARB 100000
-#endif
-
-#ifndef GLX_SGIX_pbuffer
-#define GLX_SGIX_pbuffer 1
-#define GLX_DOUBLEBUFFER 5
-#define GLX_AUX_BUFFERS 0x00000010
-#endif
-
-#ifndef GLXPbuffer
-# ifdef GLXPbufferSGIX
-# define GLXPbuffer GLXPbufferSGIX
-# endif
-#endif
-#ifndef GLXFBConfig
-# ifdef GLXFBConfigSGIX
-# define GLXFBConfig GLXFBConfigSGIX
-# endif
-#endif
-
-typedef GLXFBConfig *(*glXChooseFBConfigProc) (Display *dpy, int screen, int *attribList, int *nitems);
-typedef GLXPbuffer (*glXCreateGLXPbufferProc) (Display *dpy, GLXFBConfig config, unsigned int width, unsigned int height, int *attrib_list);
-typedef GLXPbuffer (*glXCreatePbufferProc) (Display *dpy, GLXFBConfig config, int *attrib_list);
-typedef XVisualInfo *(*glXGetVisualFromFBConfigProc) (Display *dpy, GLXFBConfig config);
-typedef GLXContext (*glXCreateContextWithConfigProc) (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
-typedef GLXContext (*glXCreateContextProc) (Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct);
-typedef void (*glXDestroyPbufferProc) (Display *dpy, GLXPbuffer pbuf);
-typedef int (*glXQueryGLXPbufferSGIXProc) (Display *, GLXPbufferSGIX, int, unsigned int *);
-typedef void (*glXQueryDrawableProc) (Display *, GLXDrawable, int, unsigned int *);
-#endif /* WIN32 */
-
-
-/* NVIDIA specific extension */
-
-/*
- * NV_texture_rectangle
- */
-
-#ifndef GL_NV_texture_rectangle
-#define GL_NV_texture_rectangle 1
-#define GL_TEXTURE_RECTANGLE_NV 0x84F5
-#define GL_TEXTURE_BINDING_RECTANGLE_NV 0x84F6
-#define GL_PROXY_TEXTURE_RECTANGLE_NV 0x84F7
-#define GL_MAX_RECTANGLE_TEXTURE_SIZE_NV 0x84F8
-#endif
-
-/*
- * WGL_NV_texture_rectangle
- */
-
-#ifndef WGL_NV_texture_rectangle
-#define WGL_NV_texture_rectangle 1
-#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV 0x20A0
-#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV 0x20A1
-#define WGL_TEXTURE_RECTANGLE_NV 0x20A2
-#endif
-
-/*
- * NV_render_depth_texture
- */
-
-#ifndef WGL_NV_render_depth_texture
-#define WGL_NV_render_depth_texture 1
-#define WGL_NO_TEXTURE_ARB 0x2077
-#define WGL_BIND_TO_TEXTURE_DEPTH_NV 0x20A3
-#define WGL_BIND_TO_TEXTURE_RECTANGLE_DEPTH_NV 0x20A4
-#define WGL_DEPTH_TEXTURE_FORMAT_NV 0x20A5
-#define WGL_TEXTURE_DEPTH_COMPONENT_NV 0x20A6
-#define WGL_DEPTH_COMPONENT_NV 0x20A7
-#endif
-
-/*
- * NV_float_buffer
- */
-#ifndef GL_NV_float_buffer
-#define GL_NV_float_buffer 1
-#define GL_FLOAT_R_NV 0x8880
-#define GL_FLOAT_RG_NV 0x8881
-#define GL_FLOAT_RGB_NV 0x8882
-#define GL_FLOAT_RGBA_NV 0x8883
-#define GL_FLOAT_R16_NV 0x8884
-#define GL_FLOAT_R32_NV 0x8885
-#define GL_FLOAT_RG16_NV 0x8886
-#define GL_FLOAT_RG32_NV 0x8887
-#define GL_FLOAT_RGB16_NV 0x8888
-#define GL_FLOAT_RGB32_NV 0x8889
-#define GL_FLOAT_RGBA16_NV 0x888A
-#define GL_FLOAT_RGBA32_NV 0x888B
-#define GL_TEXTURE_FLOAT_COMPONENTS_NV 0x888C
-#define GL_FLOAT_CLEAR_COLOR_VALUE_NV 0x888D
-#define GL_FLOAT_RGBA_MODE_NV 0x888E
-#endif
-#ifndef GLX_NV_float_buffer
-#define GLX_NV_float_buffer 1
-#define GLX_FLOAT_COMPONENTS_NV 0x20B0
-#define GLX_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV 0x20B1
-#define GLX_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV 0x20B2
-#define GLX_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV 0x20B3
-#define GLX_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV 0x20B4
-#define GLX_TEXTURE_FLOAT_R_NV 0x20B5
-#define GLX_TEXTURE_FLOAT_RG_NV 0x20B6
-#define GLX_TEXTURE_FLOAT_RGB_NV 0x20B7
-#define GLX_TEXTURE_FLOAT_RGBA_NV 0x20B8
-#endif
-#ifndef WGL_NV_float_buffer
-#define WGL_NV_float_buffer 1
-#define WGL_FLOAT_COMPONENTS_NV 0x20B0
-#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV 0x20B1
-#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV 0x20B2
-#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV 0x20B3
-#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV 0x20B4
-#define WGL_TEXTURE_FLOAT_R_NV 0x20B5
-#define WGL_TEXTURE_FLOAT_RG_NV 0x20B6
-#define WGL_TEXTURE_FLOAT_RGB_NV 0x20B7
-#define WGL_TEXTURE_FLOAT_RGBA_NV 0x20B8
-#endif
-
-
-/* ATI specific extension */
-
-/*
- * ATI_pixel_format_float
- */
-#ifndef WGL_ATI_pixel_format_float
-#define WGL_ATI_pixel_format_float 1
-#define WGL_TYPE_RGBA_FLOAT_ATI 0x21A0
-#define GL_RGBA_FLOAT_MODE_ATI 0x8820
-#define GL_COLOR_CLEAR_UNCLAMPED_VALUE_ATI 0x8835
-#endif
-
-/*
- * ATI_texture_float
- */
-#ifndef GL_ATI_texture_float
-#define GL_ATI_texture_float 1
-#define GL_RGBA_FLOAT32_ATI 0x8814
-#define GL_RGB_FLOAT32_ATI 0x8815
-#define GL_ALPHA_FLOAT32_ATI 0x8816
-#define GL_INTENSITY_FLOAT32_ATI 0x8817
-#define GL_LUMINANCE_FLOAT32_ATI 0x8818
-#define GL_LUMINANCE_ALPHA_FLOAT32_ATI 0x8819
-#define GL_RGBA_FLOAT16_ATI 0x881A
-#define GL_RGB_FLOAT16_ATI 0x881B
-#define GL_ALPHA_FLOAT16_ATI 0x881C
-#define GL_INTENSITY_FLOAT16_ATI 0x881D
-#define GL_LUMINANCE_FLOAT16_ATI 0x881E
-#define GL_LUMINANCE_ALPHA_FLOAT16_ATI 0x881F
-#endif
-
-/*
- * ARB_vertex_program
- */
-#ifndef GL_ARB_vertex_program
-#define GL_ARB_vertex_program 1
-#define GL_COLOR_SUM_ARB 0x8458
-#define GL_VERTEX_PROGRAM_ARB 0x8620
-#define GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB 0x8622
-#define GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB 0x8623
-#define GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB 0x8624
-#define GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB 0x8625
-#define GL_CURRENT_VERTEX_ATTRIB_ARB 0x8626
-#define GL_PROGRAM_LENGTH_ARB 0x8627
-#define GL_PROGRAM_STRING_ARB 0x8628
-#define GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB 0x862E
-#define GL_MAX_PROGRAM_MATRICES_ARB 0x862F
-#define GL_CURRENT_MATRIX_STACK_DEPTH_ARB 0x8640
-#define GL_CURRENT_MATRIX_ARB 0x8641
-#define GL_VERTEX_PROGRAM_POINT_SIZE_ARB 0x8642
-#define GL_VERTEX_PROGRAM_TWO_SIDE_ARB 0x8643
-#define GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB 0x8645
-#define GL_PROGRAM_ERROR_POSITION_ARB 0x864B
-#define GL_PROGRAM_BINDING_ARB 0x8677
-#define GL_MAX_VERTEX_ATTRIBS_ARB 0x8869
-#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB 0x886A
-#define GL_PROGRAM_ERROR_STRING_ARB 0x8874
-#define GL_PROGRAM_FORMAT_ASCII_ARB 0x8875
-#define GL_PROGRAM_FORMAT_ARB 0x8876
-#define GL_PROGRAM_INSTRUCTIONS_ARB 0x88A0
-#define GL_MAX_PROGRAM_INSTRUCTIONS_ARB 0x88A1
-#define GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB 0x88A2
-#define GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB 0x88A3
-#define GL_PROGRAM_TEMPORARIES_ARB 0x88A4
-#define GL_MAX_PROGRAM_TEMPORARIES_ARB 0x88A5
-#define GL_PROGRAM_NATIVE_TEMPORARIES_ARB 0x88A6
-#define GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB 0x88A7
-#define GL_PROGRAM_PARAMETERS_ARB 0x88A8
-#define GL_MAX_PROGRAM_PARAMETERS_ARB 0x88A9
-#define GL_PROGRAM_NATIVE_PARAMETERS_ARB 0x88AA
-#define GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB 0x88AB
-#define GL_PROGRAM_ATTRIBS_ARB 0x88AC
-#define GL_MAX_PROGRAM_ATTRIBS_ARB 0x88AD
-#define GL_PROGRAM_NATIVE_ATTRIBS_ARB 0x88AE
-#define GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB 0x88AF
-#define GL_PROGRAM_ADDRESS_REGISTERS_ARB 0x88B0
-#define GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB 0x88B1
-#define GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB 0x88B2
-#define GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB 0x88B3
-#define GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB 0x88B4
-#define GL_MAX_PROGRAM_ENV_PARAMETERS_ARB 0x88B5
-#define GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB 0x88B6
-#define GL_TRANSPOSE_CURRENT_MATRIX_ARB 0x88B7
-#define GL_MATRIX0_ARB 0x88C0
-#define GL_MATRIX1_ARB 0x88C1
-#define GL_MATRIX2_ARB 0x88C2
-#define GL_MATRIX3_ARB 0x88C3
-#define GL_MATRIX4_ARB 0x88C4
-#define GL_MATRIX5_ARB 0x88C5
-#define GL_MATRIX6_ARB 0x88C6
-#define GL_MATRIX7_ARB 0x88C7
-#define GL_MATRIX8_ARB 0x88C8
-#define GL_MATRIX9_ARB 0x88C9
-#define GL_MATRIX10_ARB 0x88CA
-#define GL_MATRIX11_ARB 0x88CB
-#define GL_MATRIX12_ARB 0x88CC
-#define GL_MATRIX13_ARB 0x88CD
-#define GL_MATRIX14_ARB 0x88CE
-#define GL_MATRIX15_ARB 0x88CF
-#define GL_MATRIX16_ARB 0x88D0
-#define GL_MATRIX17_ARB 0x88D1
-#define GL_MATRIX18_ARB 0x88D2
-#define GL_MATRIX19_ARB 0x88D3
-#define GL_MATRIX20_ARB 0x88D4
-#define GL_MATRIX21_ARB 0x88D5
-#define GL_MATRIX22_ARB 0x88D6
-#define GL_MATRIX23_ARB 0x88D7
-#define GL_MATRIX24_ARB 0x88D8
-#define GL_MATRIX25_ARB 0x88D9
-#define GL_MATRIX26_ARB 0x88DA
-#define GL_MATRIX27_ARB 0x88DB
-#define GL_MATRIX28_ARB 0x88DC
-#define GL_MATRIX29_ARB 0x88DD
-#define GL_MATRIX30_ARB 0x88DE
-#define GL_MATRIX31_ARB 0x88DF
-#endif
-
-/*
- * ARB_fragment_program
- */
-#ifndef GL_ARB_fragment_program
-#define GL_ARB_fragment_program 1
-#define GL_FRAGMENT_PROGRAM_ARB 0x8804
-#define GL_PROGRAM_ALU_INSTRUCTIONS_ARB 0x8805
-#define GL_PROGRAM_TEX_INSTRUCTIONS_ARB 0x8806
-#define GL_PROGRAM_TEX_INDIRECTIONS_ARB 0x8807
-#define GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB 0x8808
-#define GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB 0x8809
-#define GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB 0x880A
-#define GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB 0x880B
-#define GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB 0x880C
-#define GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB 0x880D
-#define GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB 0x880E
-#define GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB 0x880F
-#define GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB 0x8810
-#define GL_MAX_TEXTURE_COORDS_ARB 0x8871
-#define GL_MAX_TEXTURE_IMAGE_UNITS_ARB 0x8872
-#endif
-
-typedef void (APIENTRY * glVertexAttrib1dProc) (GLuint index, GLdouble x);
-typedef void (APIENTRY * glVertexAttrib1dvProc) (GLuint index, const GLdouble *v);
-typedef void (APIENTRY * glVertexAttrib1fProc) (GLuint index, GLfloat x);
-typedef void (APIENTRY * glVertexAttrib1fvProc) (GLuint index, const GLfloat *v);
-typedef void (APIENTRY * glVertexAttrib1sProc) (GLuint index, GLshort x);
-typedef void (APIENTRY * glVertexAttrib1svProc) (GLuint index, const GLshort *v);
-typedef void (APIENTRY * glVertexAttrib2dProc) (GLuint index, GLdouble x, GLdouble y);
-typedef void (APIENTRY * glVertexAttrib2dvProc) (GLuint index, const GLdouble *v);
-typedef void (APIENTRY * glVertexAttrib2fProc) (GLuint index, GLfloat x, GLfloat y);
-typedef void (APIENTRY * glVertexAttrib2fvProc) (GLuint index, const GLfloat *v);
-typedef void (APIENTRY * glVertexAttrib2sProc) (GLuint index, GLshort x, GLshort y);
-typedef void (APIENTRY * glVertexAttrib2svProc) (GLuint index, const GLshort *v);
-typedef void (APIENTRY * glVertexAttrib3dProc) (GLuint index, GLdouble x, GLdouble y, GLdouble z);
-typedef void (APIENTRY * glVertexAttrib3dvProc) (GLuint index, const GLdouble *v);
-typedef void (APIENTRY * glVertexAttrib3fProc) (GLuint index, GLfloat x, GLfloat y, GLfloat z);
-typedef void (APIENTRY * glVertexAttrib3fvProc) (GLuint index, const GLfloat *v);
-typedef void (APIENTRY * glVertexAttrib3sProc) (GLuint index, GLshort x, GLshort y, GLshort z);
-typedef void (APIENTRY * glVertexAttrib3svProc) (GLuint index, const GLshort *v);
-typedef void (APIENTRY * glVertexAttrib4NbvProc) (GLuint index, const GLbyte *v);
-typedef void (APIENTRY * glVertexAttrib4NivProc) (GLuint index, const GLint *v);
-typedef void (APIENTRY * glVertexAttrib4NsvProc) (GLuint index, const GLshort *v);
-typedef void (APIENTRY * glVertexAttrib4NubProc) (GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
-typedef void (APIENTRY * glVertexAttrib4NubvProc) (GLuint index, const GLubyte *v);
-typedef void (APIENTRY * glVertexAttrib4NuivProc) (GLuint index, const GLuint *v);
-typedef void (APIENTRY * glVertexAttrib4NusvProc) (GLuint index, const GLushort *v);
-typedef void (APIENTRY * glVertexAttrib4bvProc) (GLuint index, const GLbyte *v);
-typedef void (APIENTRY * glVertexAttrib4dProc) (GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
-typedef void (APIENTRY * glVertexAttrib4dvProc) (GLuint index, const GLdouble *v);
-typedef void (APIENTRY * glVertexAttrib4fProc) (GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
-typedef void (APIENTRY * glVertexAttrib4fvProc) (GLuint index, const GLfloat *v);
-typedef void (APIENTRY * glVertexAttrib4ivProc) (GLuint index, const GLint *v);
-typedef void (APIENTRY * glVertexAttrib4sProc) (GLuint index, GLshort x, GLshort y, GLshort z, GLshort w);
-typedef void (APIENTRY * glVertexAttrib4svProc) (GLuint index, const GLshort *v);
-typedef void (APIENTRY * glVertexAttrib4ubvProc) (GLuint index, const GLubyte *v);
-typedef void (APIENTRY * glVertexAttrib4uivProc) (GLuint index, const GLuint *v);
-typedef void (APIENTRY * glVertexAttrib4usvProc) (GLuint index, const GLushort *v);
-typedef void (APIENTRY * glVertexAttribPointerProc) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
-typedef void (APIENTRY * glEnableVertexAttribArrayProc) (GLuint index);
-typedef void (APIENTRY * glDisableVertexAttribArrayProc) (GLuint index);
-typedef void (APIENTRY * glProgramStringProc) (GLenum target, GLenum format, GLsizei len, const GLvoid *string);
-typedef void (APIENTRY * glBindProgramProc) (GLenum target, GLuint program);
-typedef void (APIENTRY * glDeleteProgramsProc) (GLsizei n, const GLuint *programs);
-typedef void (APIENTRY * glGenProgramsProc) (GLsizei n, GLuint *programs);
-typedef void (APIENTRY * glProgramEnvParameter4dProc) (GLenum target, GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
-typedef void (APIENTRY * glProgramEnvParameter4dvProc) (GLenum target, GLuint index, const GLdouble *params);
-typedef void (APIENTRY * glProgramEnvParameter4fProc) (GLenum target, GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
-typedef void (APIENTRY * glProgramEnvParameter4fvProc) (GLenum target, GLuint index, const GLfloat *params);
-typedef void (APIENTRY * glProgramLocalParameter4dProc) (GLenum target, GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
-typedef void (APIENTRY * glProgramLocalParameter4dvProc) (GLenum target, GLuint index, const GLdouble *params);
-typedef void (APIENTRY * glProgramLocalParameter4fProc) (GLenum target, GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
-typedef void (APIENTRY * glProgramLocalParameter4fvProc) (GLenum target, GLuint index, const GLfloat *params);
-typedef void (APIENTRY * glGetProgramEnvParameterdvProc) (GLenum target, GLuint index, GLdouble *params);
-typedef void (APIENTRY * glGetProgramEnvParameterfvProc) (GLenum target, GLuint index, GLfloat *params);
-typedef void (APIENTRY * glGetProgramLocalParameterdvProc) (GLenum target, GLuint index, GLdouble *params);
-typedef void (APIENTRY * glGetProgramLocalParameterfvProc) (GLenum target, GLuint index, GLfloat *params);
-typedef void (APIENTRY * glGetProgramivProc) (GLenum target, GLenum pname, GLint *params);
-typedef void (APIENTRY * glGetProgramStringProc) (GLenum target, GLenum pname, GLvoid *string);
-typedef void (APIENTRY * glGetVertexAttribdvProc) (GLuint index, GLenum pname, GLdouble *params);
-typedef void (APIENTRY * glGetVertexAttribfvProc) (GLuint index, GLenum pname, GLfloat *params);
-typedef void (APIENTRY * glGetVertexAttribivProc) (GLuint index, GLenum pname, GLint *params);
-typedef void (APIENTRY * glGetVertexAttribPointervProc) (GLuint index, GLenum pname, GLvoid* *pointer);
-typedef GLboolean (APIENTRY * glIsProgramProc) (GLuint program);
-
-/*
- * ARB_shader_objects
- */
-#ifndef GL_ARB_shader_objects
-#define GL_ARB_shader_objects 1
-/* GL types for handling shader object handles and program/shader text */
-typedef char GLcharARB; /* native character */
-typedef unsigned int GLhandleARB; /* shader object handle */
-
-#define GL_PROGRAM_OBJECT_ARB 0x8B40
-#define GL_SHADER_OBJECT_ARB 0x8B48
-#define GL_OBJECT_TYPE_ARB 0x8B4E
-#define GL_OBJECT_SUBTYPE_ARB 0x8B4F
-#define GL_FLOAT_VEC2_ARB 0x8B50
-#define GL_FLOAT_VEC3_ARB 0x8B51
-#define GL_FLOAT_VEC4_ARB 0x8B52
-#define GL_INT_VEC2_ARB 0x8B53
-#define GL_INT_VEC3_ARB 0x8B54
-#define GL_INT_VEC4_ARB 0x8B55
-#define GL_BOOL_ARB 0x8B56
-#define GL_BOOL_VEC2_ARB 0x8B57
-#define GL_BOOL_VEC3_ARB 0x8B58
-#define GL_BOOL_VEC4_ARB 0x8B59
-#define GL_FLOAT_MAT2_ARB 0x8B5A
-#define GL_FLOAT_MAT3_ARB 0x8B5B
-#define GL_FLOAT_MAT4_ARB 0x8B5C
-#define GL_SAMPLER_1D_ARB 0x8B5D
-#define GL_SAMPLER_2D_ARB 0x8B5E
-#define GL_SAMPLER_3D_ARB 0x8B5F
-#define GL_SAMPLER_CUBE_ARB 0x8B60
-#define GL_SAMPLER_1D_SHADOW_ARB 0x8B61
-#define GL_SAMPLER_2D_SHADOW_ARB 0x8B62
-#define GL_SAMPLER_2D_RECT_ARB 0x8B63
-#define GL_SAMPLER_2D_RECT_SHADOW_ARB 0x8B64
-#define GL_OBJECT_DELETE_STATUS_ARB 0x8B80
-#define GL_OBJECT_COMPILE_STATUS_ARB 0x8B81
-#define GL_OBJECT_LINK_STATUS_ARB 0x8B82
-#define GL_OBJECT_VALIDATE_STATUS_ARB 0x8B83
-#define GL_OBJECT_INFO_LOG_LENGTH_ARB 0x8B84
-#define GL_OBJECT_ATTACHED_OBJECTS_ARB 0x8B85
-#define GL_OBJECT_ACTIVE_UNIFORMS_ARB 0x8B86
-#define GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB 0x8B87
-#define GL_OBJECT_SHADER_SOURCE_LENGTH_ARB 0x8B88
-#endif
-
-typedef void (APIENTRY * glDeleteObjectProc) (GLhandleARB obj);
-typedef GLhandleARB (APIENTRY * glGetHandleProc) (GLenum pname);
-typedef void (APIENTRY * glDetachObjectProc) (GLhandleARB containerObj, GLhandleARB attachedObj);
-typedef GLhandleARB (APIENTRY * glCreateShaderObjectProc) (GLenum shaderType);
-typedef void (APIENTRY * glShaderSourceProc) (GLhandleARB shaderObj, GLsizei count, const GLcharARB* *string, const GLint *length);
-typedef void (APIENTRY * glCompileShaderProc) (GLhandleARB shaderObj);
-typedef GLhandleARB (APIENTRY * glCreateProgramObjectProc) (void);
-typedef void (APIENTRY * glAttachObjectProc) (GLhandleARB containerObj, GLhandleARB obj);
-typedef void (APIENTRY * glLinkProgramProc) (GLhandleARB programObj);
-typedef void (APIENTRY * glUseProgramObjectProc) (GLhandleARB programObj);
-typedef void (APIENTRY * glValidateProgramProc) (GLhandleARB programObj);
-typedef void (APIENTRY * glUniform1fProc) (GLint location, GLfloat v0);
-typedef void (APIENTRY * glUniform2fProc) (GLint location, GLfloat v0, GLfloat v1);
-typedef void (APIENTRY * glUniform3fProc) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
-typedef void (APIENTRY * glUniform4fProc) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
-typedef void (APIENTRY * glUniform1iProc) (GLint location, GLint v0);
-typedef void (APIENTRY * glUniform2iProc) (GLint location, GLint v0, GLint v1);
-typedef void (APIENTRY * glUniform3iProc) (GLint location, GLint v0, GLint v1, GLint v2);
-typedef void (APIENTRY * glUniform4iProc) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
-typedef void (APIENTRY * glUniform1fvProc) (GLint location, GLsizei count, const GLfloat *value);
-typedef void (APIENTRY * glUniform2fvProc) (GLint location, GLsizei count, const GLfloat *value);
-typedef void (APIENTRY * glUniform3fvProc) (GLint location, GLsizei count, const GLfloat *value);
-typedef void (APIENTRY * glUniform4fvProc) (GLint location, GLsizei count, const GLfloat *value);
-typedef void (APIENTRY * glUniform1ivProc) (GLint location, GLsizei count, const GLint *value);
-typedef void (APIENTRY * glUniform2ivProc) (GLint location, GLsizei count, const GLint *value);
-typedef void (APIENTRY * glUniform3ivProc) (GLint location, GLsizei count, const GLint *value);
-typedef void (APIENTRY * glUniform4ivProc) (GLint location, GLsizei count, const GLint *value);
-typedef void (APIENTRY * glUniformMatrix2fvProc) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
-typedef void (APIENTRY * glUniformMatrix3fvProc) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
-typedef void (APIENTRY * glUniformMatrix4fvProc) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
-typedef void (APIENTRY * glGetObjectParameterfvProc) (GLhandleARB obj, GLenum pname, GLfloat *params);
-typedef void (APIENTRY * glGetObjectParameterivProc) (GLhandleARB obj, GLenum pname, GLint *params);
-typedef void (APIENTRY * glGetInfoLogProc) (GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
-typedef void (APIENTRY * glGetAttachedObjectsProc) (GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
-typedef GLint (APIENTRY * glGetUniformLocationProc) (GLhandleARB programObj, const GLcharARB *name);
-typedef void (APIENTRY * glGetActiveUniformProc) (GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
-typedef void (APIENTRY * glGetUniformfvProc) (GLhandleARB programObj, GLint location, GLfloat *params);
-typedef void (APIENTRY * glGetUniformivProc) (GLhandleARB programObj, GLint location, GLint *params);
-typedef void (APIENTRY * glGetShaderSourceProc) (GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
-
-/*
- * ARB_vertex_shader
- */
-#ifndef GL_ARB_vertex_shader
-#define GL_ARB_vertex_shader 1
-#define GL_VERTEX_SHADER_ARB 0x8B31
-#define GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB 0x8B4A
-#define GL_MAX_VARYING_FLOATS_ARB 0x8B4B
-#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB 0x8B4C
-#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB 0x8B4D
-#define GL_OBJECT_ACTIVE_ATTRIBUTES_ARB 0x8B89
-#define GL_OBJECT_ACTIVE_ATTRIBUTE_MAX_LENGTH_ARB 0x8B8A
-#endif
-
-typedef void (APIENTRY * glBindAttribLocationProc) (GLhandleARB programObj, GLuint index, const GLcharARB *name);
-typedef void (APIENTRY * glGetActiveAttribProc) (GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
-typedef GLint (APIENTRY * glGetAttribLocationProc) (GLhandleARB programObj, const GLcharARB *name);
-
-/*
- * ARB_fragment_shader
- */
-#ifndef GL_ARB_fragment_shader
-#define GL_ARB_fragment_shader1
-#define GL_FRAGMENT_SHADER_ARB 0x8B30
-#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB 0x8B49
-#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB 0x8B8B
-#endif
-
-/*
- * NV_fragment_program
- */
-#ifndef GL_NV_fragment_program
-#define GL_NV_fragment_program 1
-#define GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV 0x8868
-#define GL_FRAGMENT_PROGRAM_NV 0x8870
-#define GL_MAX_TEXTURE_COORDS_NV 0x8871
-#define GL_MAX_TEXTURE_IMAGE_UNITS_NV 0x8872
-#define GL_FRAGMENT_PROGRAM_BINDING_NV 0x8873
-#define GL_PROGRAM_ERROR_STRING_NV 0x8874
-#endif
-#ifndef GL_NV_vertex_program
-#define GL_NV_vertex_program 1
-#define GL_VERTEX_PROGRAM_NV 0x8620
-#define GL_PROGRAM_ERROR_POSITION_NV 0x864B
-#endif
-
-typedef void (APIENTRY * glBindProgramNVProc) (GLenum target, GLuint id);
-typedef void (APIENTRY * glDeleteProgramsNVProc) (GLsizei n, const GLuint *programs);
-typedef void (APIENTRY * glGenProgramsNVProc) (GLsizei n, GLuint *programs);
-typedef void (APIENTRY * glLoadProgramNVProc) (GLenum target, GLuint id, GLsizei len, const GLubyte *program);
-typedef void (APIENTRY * glProgramParameter4fvNVProc) (GLenum target, GLuint index, const GLfloat *v);
-
-#if defined(__cplusplus)
-}
-#endif
+bool SGIsOpenGLExtensionSupported(const char *extName);
#endif // !__SG_EXTENSIONS_HXX
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