]> git.mxchange.org Git - simgear.git/blobdiff - simgear/screen/extensions.hxx
Comment out GLX code for MacOS and (hopefully) add some MacOS AGL compattible code...
[simgear.git] / simgear / screen / extensions.hxx
index 4b9046a0c1e6316996d260cef51190924b5670de..46597681d8e7efc47f970d4e3ff905de3014c2b0 100644 (file)
@@ -49,7 +49,7 @@ extern "C" {
 #define APIENTRY
 #endif
 
-    // static bool SGSearchExtensionsString(char *extString, char *extName);
+bool SGSearchExtensionsString(const char *extString, const char *extName);
 bool SGIsOpenGLExtensionSupported(char *extName);
 
 #ifdef __APPLE__
@@ -81,19 +81,19 @@ inline void (*SGLookupFunction(const char *func))()
  */
 
 #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
+#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 );
@@ -107,8 +107,8 @@ typedef void (APIENTRY * glBlendColorProc) (GLclampf red, GLclampf green, GLclam
  */
 #ifndef GL_EXT_point_parameters
 #define GL_EXT_point_parameters 1
-#define GL_POINT_SIZE_MIN_EXT                                   0x8126
-#define GL_DISTANCE_ATTENUATION_EXT                             0x8129
+#define GL_POINT_SIZE_MIN_EXT                                  0x8126
+#define GL_DISTANCE_ATTENUATION_EXT                            0x8129
 #endif
 
 #ifndef GL_ARB_point_parameters
@@ -126,41 +126,41 @@ typedef void (APIENTRY * glPointParameterfvProc)(GLenum pname, const GLfloat *pa
 
 #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
+#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);
@@ -171,9 +171,9 @@ typedef void (APIENTRY * glClientActiveTextureProc)(GLenum texture);
  */
 
 #ifndef GL_LIGHT_MODEL_COLOR_CONTROL
-#define GL_LIGHT_MODEL_COLOR_CONTROL                            0x81F8
-#define GL_SINGLE_COLOR                                         0x81F9
-#define GL_SEPARATE_SPECULAR_COLOR                              0x81FA
+#define GL_LIGHT_MODEL_COLOR_CONTROL                           0x81F8
+#define GL_SINGLE_COLOR                                                0x81F9
+#define GL_SEPARATE_SPECULAR_COLOR                             0x81FA
 #endif
 
 /*
@@ -182,18 +182,18 @@ typedef void (APIENTRY * glClientActiveTextureProc)(GLenum texture);
 
 #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
+#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
 
 /*
@@ -202,27 +202,27 @@ typedef void (APIENTRY * glClientActiveTextureProc)(GLenum texture);
 
 #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_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
+#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_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
 
 /*
@@ -231,10 +231,305 @@ typedef void (APIENTRY * glClientActiveTextureProc)(GLenum texture);
 
 #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
+#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 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
+
+#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
+
+
 #if defined(__cplusplus)
 }
 #endif