1From: "Kirkland, Dale L" <dlkirkla 'at' intense3d.com> 2Date: Thu, 9 Dec 1999 15:23:34 -0600 3 4Intergraph extension support: 5 6GL_Autodesk_valid_back_buffer_hint 7GL_EXT_422_pixels 8GL_EXT_bgra 9GL_EXT_blend_color 10GL_EXT_blend_func_separate 11GL_EXT_blend_minmax 12GL_EXT_blend_subtract 13GL_EXT_color_matrix 14GL_EXT_color_subtable 15GL_EXT_color_table 16GL_EXT_convolution 17GL_EXT_convolution_border_modes 18GL_EXT_fog_function 19GL_EXT_fog_offset 20GL_EXT_generate_mipmap 21GL_EXT_interlace 22GL_EXT_multisample 23GL_EXT_occlusion_test 24GL_EXT_packed_pixels 25GL_EXT_pixel_texture 26GL_EXT_rescale_normal 27GL_EXT_separate_specular_color 28GL_EXT_swap_control 29GL_EXT_texture3D 30GL_EXT_texture_border_clamp 31GL_EXT_texture_color_table 32GL_EXT_texture_edge_clamp 33GL_EXT_texture_lod 34GL_EXT_texture_object 35GL_HP_occlusion_test 36GL_I3D_color_clamp 37GL_I3D_interlace_read 38GL_KTX_buffer_region 39GL_SGIS_fog_function 40GL_SGIS_generate_mipmap 41GL_SGIS_multisample 42GL_SGIS_texture_border_clamp 43GL_SGIX_fog_offset 44GL_SGIX_interlace 45GL_SGIX_pixel_texture 46GL_SGI_color_matrix 47GL_SGI_color_table 48GL_SGI_texture_color_table 49GL_WIN_swap_hint 50