#endif

#ifndef GL_SGIX_interlace
#define GL_INTERLACE_SGIX                 0x8094
#endif

#ifndef GL_SGIX_pixel_tiles
#define GL_PIXEL_TILE_BEST_ALIGNMENT_SGIX 0x813E
#define GL_PIXEL_TILE_CACHE_INCREMENT_SGIX 0x813F
#define GL_PIXEL_TILE_WIDTH_SGIX          0x8140
#define GL_PIXEL_TILE_HEIGHT_SGIX         0x8141
#define GL_PIXEL_TILE_GRID_WIDTH_SGIX     0x8142
#define GL_PIXEL_TILE_GRID_HEIGHT_SGIX    0x8143
#define GL_PIXEL_TILE_GRID_DEPTH_SGIX     0x8144
#define GL_PIXEL_TILE_CACHE_SIZE_SGIX     0x8145
#endif

#ifndef GL_SGIS_texture_select
#define GL_DUAL_ALPHA4_SGIS               0x8110
#define GL_DUAL_ALPHA8_SGIS               0x8111
#define GL_DUAL_ALPHA12_SGIS              0x8112
#define GL_DUAL_ALPHA16_SGIS              0x8113
#define GL_DUAL_LUMINANCE4_SGIS           0x8114
#define GL_DUAL_LUMINANCE8_SGIS           0x8115
#define GL_DUAL_LUMINANCE12_SGIS          0x8116
#define GL_DUAL_LUMINANCE16_SGIS          0x8117
#define GL_DUAL_INTENSITY4_SGIS           0x8118
#define GL_DUAL_INTENSITY8_SGIS           0x8119
#define GL_DUAL_INTENSITY12_SGIS          0x811A
#define GL_DUAL_INTENSITY16_SGIS          0x811B
#define GL_DUAL_LUMINANCE_ALPHA4_SGIS     0x811C
#define GL_DUAL_LUMINANCE_ALPHA8_SGIS     0x811D
#define GL_QUAD_ALPHA4_SGIS               0x811E
#define GL_QUAD_ALPHA8_SGIS               0x811F
#define GL_QUAD_LUMINANCE4_SGIS           0x8120
#define GL_QUAD_LUMINANCE8_SGIS           0x8121
#define GL_QUAD_INTENSITY4_SGIS           0x8122
#define GL_QUAD_INTENSITY8_SGIS           0x8123
#define GL_DUAL_TEXTURE_SELECT_SGIS       0x8124
#define GL_QUAD_TEXTURE_SELECT_SGIS       0x8125
#endif

#ifndef GL_SGIX_sprite
#define GL_SPRITE_SGIX                    0x8148
#define GL_SPRITE_MODE_SGIX               0x8149
#define GL_SPRITE_AXIS_SGIX               0x814A
#define GL_SPRITE_TRANSLATION_SGIX        0x814B
#define GL_SPRITE_AXIAL_SGIX              0x814C
#define GL_SPRITE_OBJECT_ALIGNED_SGIX     0x814D
#define GL_SPRITE_EYE_ALIGNED_SGIX        0x814E
#endif

#ifndef GL_SGIX_texture_multi_buffer
#define GL_TEXTURE_MULTI_BUFFER_HINT_SGIX 0x812E
#endif

#ifndef GL_SGIS_point_parameters
#define GL_POINT_SIZE_MIN_EXT             0x8126
#define GL_POINT_SIZE_MIN_SGIS            0x8126
#define GL_POINT_SIZE_MAX_EXT             0x8127
#define GL_POINT_SIZE_MAX_SGIS            0x8127
#define GL_POINT_FADE_THRESHOLD_SIZE_EXT  0x8128
#define GL_POINT_FADE_THRESHOLD_SIZE_SGIS 0x8128
#define GL_DISTANCE_ATTENUATION_EXT       0x8129
#define GL_DISTANCE_ATTENUATION_SGIS      0x8129
#endif

#ifndef GL_SGIX_instruments
#define GL_INSTRUMENT_BUFFER_POINTER_SGIX 0x8180
#define GL_INSTRUMENT_MEASUREMENTS_SGIX   0x8181
#endif

#ifndef GL_SGIX_texture_scale_bias
#define GL_POST_TEXTURE_FILTER_BIAS_SGIX  0x8179
#define GL_POST_TEXTURE_FILTER_SCALE_SGIX 0x817A
#define GL_POST_TEXTURE_FILTER_BIAS_RANGE_SGIX 0x817B
#define GL_POST_TEXTURE_FILTER_SCALE_RANGE_SGIX 0x817C
#endif

#ifndef GL_SGIX_framezoom
#define GL_FRAMEZOOM_SGIX                 0x818B
#define GL_FRAMEZOOM_FACTOR_SGIX          0x818C
#define GL_MAX_FRAMEZOOM_FACTOR_SGIX      0x818D
#endif

#ifndef GL_SGIX_tag_sample_buffer
#endif

#ifndef GL_FfdMaskSGIX
#define GL_TEXTURE_DEFORMATION_BIT_SGIX   0x00000001
#define GL_GEOMETRY_DEFORMATION_BIT_SGIX  0x00000002
#endif

#ifndef GL_SGIX_polynomial_ffd
#define GL_GEOMETRY_DEFORMATION_SGIX      0x8194
#define GL_TEXTURE_DEFORMATION_SGIX       0x8195
#define GL_DEFORMATIONS_MASK_SGIX         0x8196
#define GL_MAX_DEFORMATION_ORDER_SGIX     0x8197
#endif

#ifndef GL_SGIX_reference_plane
#define GL_REFERENCE_PLANE_SGIX           0x817D
#define GL_REFERENCE_PLANE_EQUATION_SGIX  0x817E
#endif

#ifndef GL_SGIX_flush_raster
#endif

#ifndef GL_SGIX_depth_texture
#define GL_DEPTH_COMPONENT16_SGIX         0x81A5
#define GL_DEPTH_COMPONENT24_SGIX         0x81A6
#define GL_DEPTH_COMPONENT32_SGIX         0x81A7
#endif

#ifndef GL_SGIS_fog_function
#define GL_FOG_FUNC_SGIS                  0x812A
#define GL_FOG_FUNC_POINTS_SGIS           0x812B
#define GL_MAX_FOG_FUNC_POINTS_SGIS       0x812C
#endif

#ifndef GL_SGIX_fog_offset
#define GL_FOG_OFFSET_SGIX                0x8198
#define GL_FOG_OFFSET_VALUE_SGIX          0x8199
#endif

#ifndef GL_HP_image_transform
#define GL_IMAGE_SCALE_X_HP               0x8155
#define GL_IMAGE_SCALE_Y_HP               0x8156
#define GL_IMAGE_TRANSLATE_X_HP           0x8157
#define GL_IMAGE_TRANSLATE_Y_HP           0x8158
#define GL_IMAGE_ROTATE_ANGLE_HP          0x8159
#define GL_IMAGE_ROTATE_ORIGIN_X_HP       0x815A
#define GL_IMAGE_ROTATE_ORIGIN_Y_HP       0x815B
#define GL_IMAGE_MAG_FILTER_HP            0x815C
#define GL_IMAGE_MIN_FILTER_HP            0x815D
#define GL_IMAGE_CUBIC_WEIGHT_HP          0x815E
#define GL_CUBIC_HP                       0x815F
#define GL_AVERAGE_HP                     0x8160
#define GL_IMAGE_TRANSFORM_2D_HP          0x8161
#define GL_POST_IMAGE_TRANSFORM_COLOR_TABLE_HP 0x8162
#define GL_PROXY_POST_IMAGE_TRANSFORM_COLOR_TABLE_HP 0x8163
#endif

#ifndef GL_HP_convolution_border_modes
#define GL_IGNORE_BORDER_HP               0x8150
#define GL_CONSTANT_BORDER_HP             0x8151
#define GL_REPLICATE_BORDER_HP            0x8153
#define GL_CONVOLUTION_BORDER_COLOR_HP    0x8154
#endif

#ifndef GL_INGR_palette_buffer
#endif

#ifndef GL_SGIX_texture_add_env
#define GL_TEXTURE_ENV_BIAS_SGIX          0x80BE
#endif

#ifndef GL_EXT_color_subtable
#endif

#ifndef GL_PGI_vertex_hints
#define GL_VERTEX_DATA_HINT_PGI           0x1A22A
#define GL_VERTEX_CONSISTENT_HINT_PGI     0x1A22B
#define GL_MATERIAL_SIDE_HINT_PGI         0x1A22C
#define GL_MAX_VERTEX_HINT_PGI            0x1A22D
#define GL_COLOR3_BIT_PGI                 0x00010000
#define GL_COLOR4_BIT_PGI                 0x00020000
#define GL_EDGEFLAG_BIT_PGI               0x00040000
#define GL_INDEX_BIT_PGI                  0x00080000
#define GL_MAT_AMBIENT_BIT_PGI            0x00100000
#define GL_MAT_AMBIENT_AND_DIFFUSE_BIT_PGI 0x00200000
#define GL_MAT_DIFFUSE_BIT_PGI            0x00400000
#define GL_MAT_EMISSION_BIT_PGI           0x00800000
#define GL_MAT_COLOR_INDEXES_BIT_PGI      0x01000000
#define GL_MAT_SHININESS_BIT_PGI          0x02000000
#define GL_MAT_SPECULAR_BIT_PGI           0x04000000
#define GL_NORMAL_BIT_PGI                 0x08000000
#define GL_TEXCOORD1_BIT_PGI              0x10000000
#define GL_TEXCOORD2_BIT_PGI              0x20000000
#define GL_TEXCOORD3_BIT_PGI              0x40000000
#define GL_TEXCOORD4_BIT_PGI              0x80000000
#define GL_VERTEX23_BIT_PGI               0x00000004
#define GL_VERTEX4_BIT_PGI                0x00000008
#endif

#ifndef GL_PGI_misc_hints
#define GL_PREFER_DOUBLEBUFFER_HINT_PGI   0x1A1F8
#define GL_CONSERVE_MEMORY_HINT_PGI       0x1A1FD
#define GL_RECLAIM_MEMORY_HINT_PGI        0x1A1FE
#define GL_NATIVE_GRAPHICS_HANDLE_PGI     0x1A202
#define GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI 0x1A203
#define GL_NATIVE_GRAPHICS_END_HINT_PGI   0x1A204
#define GL_ALWAYS_FAST_HINT_PGI           0x1A20C
#define GL_ALWAYS_SOFT_HINT_PGI           0x1A20D
#define GL_ALLOW_DRAW_OBJ_HINT_PGI        0x1A20E
#define GL_ALLOW_DRAW_WIN_HINT_PGI        0x1A20F
#define GL_ALLOW_DRAW_FRG_HINT_PGI        0x1A210
#define GL_ALLOW_DRAW_MEM_HINT_PGI        0x1A211
#define GL_STRICT_DEPTHFUNC_HINT_PGI      0x1A216
#define GL_STRICT_LIGHTING_HINT_PGI       0x1A217
#define GL_STRICT_SCISSOR_HINT_PGI        0x1A218
#define GL_FULL_STIPPLE_HINT_PGI          0x1A219
#define GL_CLIP_NEAR_HINT_PGI             0x1A220
#define GL_CLIP_FAR_HINT_PGI              0x1A221
#define GL_WIDE_LINE_HINT_PGI             0x1A222
#define GL_BACK_NORMALS_HINT_PGI          0x1A223
#endif

#ifndef GL_EXT_paletted_texture
#define GL_COLOR_INDEX1_EXT               0x80E2
#define GL_COLOR_INDEX2_EXT               0x80E3
#define GL_COLOR_INDEX4_EXT               0x80E4
#define GL_COLOR_INDEX8_EXT               0x80E5
#define GL_COLOR_INDEX12_EXT              0x80E6
#define GL_COLOR_INDEX16_EXT              0x80E7
#define GL_TEXTURE_INDEX_SIZE_EXT         0x80ED
#endif

#ifndef GL_EXT_clip_volume_hint
#define GL_CLIP_VOLUME_CLIPPING_HINT_EXT  0x80F0
#endif

#ifndef GL_SGIX_list_priority
#define GL_LIST_PRIORITY_SGIX             0x8182
#endif

#ifndef GL_SGIX_ir_instrument1
#define GL_IR_INSTRUMENT1_SGIX            0x817F
#endif

#ifndef GL_SGIX_calligraphic_fragment
#define GL_CALLIGRAPHIC_FRAGMENT_SGIX     0x8183
#endif

#ifndef GL_SGIX_texture_lod_bias
#define GL_TEXTURE_LOD_BIAS_S_SGIX        0x818E
#define GL_TEXTURE_LOD_BIAS_T_SGIX        0x818F
#define GL_TEXTURE_LOD_BIAS_R_SGIX        0x8190
#endif

#ifndef GL_SGIX_shadow_ambient
#define GL_SHADOW_AMBIENT_SGIX            0x80BF
#endif

#ifndef GL_EXT_index_texture
#endif

#ifndef GL_EXT_index_material
#define GL_INDEX_MATERIAL_EXT             0x81B8
#define GL_INDEX_MATERIAL_PARAMETER_EXT   0x81B9
#define GL_INDEX_MATERIAL_FACE_EXT        0x81BA
#endif

#ifndef GL_EXT_index_func
#define GL_INDEX_TEST_EXT                 0x81B5
#define GL_INDEX_TEST_FUNC_EXT            0x81B6
#define GL_INDEX_TEST_REF_EXT             0x81B7
#endif

#ifndef GL_EXT_index_array_formats
#define GL_IUI_V2F_EXT                    0x81AD
#define GL_IUI_V3F_EXT                    0x81AE
#define GL_IUI_N3F_V2F_EXT                0x81AF
#define GL_IUI_N3F_V3F_EXT                0x81B0
#define GL_T2F_IUI_V2F_EXT                0x81B1
#define GL_T2F_IUI_V3F_EXT                0x81B2
#define GL_T2F_IUI_N3F_V2F_EXT            0x81B3
#define GL_T2F_IUI_N3F_V3F_EXT            0x81B4
#endif

#ifndef GL_EXT_compiled_vertex_array
#define GL_ARRAY_ELEMENT_LOCK_FIRST_EXT   0x81A8
#define GL_ARRAY_ELEMENT_LOCK_COUNT_EXT   0x81A9
#endif

#ifndef GL_EXT_cull_vertex
#define GL_CULL_VERTEX_EXT                0x81AA
#define GL_CULL_VERTEX_EYE_POSITION_EXT   0x81AB
#define GL_CULL_VERTEX_OBJECT_POSITION_EXT 0x81AC
#endif

#ifndef GL_SGIX_ycrcb
#define GL_YCRCB_422_SGIX                 0x81BB
#define GL_YCRCB_444_SGIX                 0x81BC
#endif

#ifndef GL_SGIX_fragment_lighting
#define GL_FRAGMENT_LIGHTING_SGIX         0x8400
#define GL_FRAGMENT_COLOR_MATERIAL_SGIX   0x8401
#define GL_FRAGMENT_COLOR_MATERIAL_FACE_SGIX 0x8402
#define GL_FRAGMENT_COLOR_MATERIAL_PARAMETER_SGIX 0x8403
#define GL_MAX_FRAGMENT_LIGHTS_SGIX       0x8404
#define GL_MAX_ACTIVE_LIGHTS_SGIX         0x8405
#define GL_CURRENT_RASTER_NORMAL_SGIX     0x8406
#define GL_LIGHT_ENV_MODE_SGIX            0x8407
#define GL_FRAGMENT_LIGHT_MODEL_LOCAL_VIEWER_SGIX 0x8408
#define GL_FRAGMENT_LIGHT_MODEL_TWO_SIDE_SGIX 0x8409
#define GL_FRAGMENT_LIGHT_MODEL_AMBIENT_SGIX 0x840A
#define GL_FRAGMENT_LIGHT_MODEL_NORMAL_INTERPOLATION_SGIX 0x840B
#define GL_FRAGMENT_LIGHT0_SGIX           0x840C
#define GL_FRAGMENT_LIGHT1_SGIX           0x840D
#define GL_FRAGMENT_LIGHT2_SGIX           0x840E
#define GL_FRAGMENT_LIGHT3_SGIX           0x840F
#define GL_FRAGMENT_LIGHT4_SGIX           0x8410
#define GL_FRAGMENT_LIGHT5_SGIX           0x8411
#define GL_FRAGMENT_LIGHT6_SGIX           0x8412
#define GL_FRAGMENT_LIGHT7_SGIX           0x8413
#endif

#ifndef GL_IBM_rasterpos_clip
#define GL_RASTER_POSITION_UNCLIPPED_IBM  0x19262
#endif

#ifndef GL_HP_texture_lighting
#define GL_TEXTURE_LIGHTING_MODE_HP       0x8167
#define GL_TEXTURE_POST_SPECULAR_HP       0x8168