// here is the list of extension actually supported by CsGL
// generate any other one with <csgl>/extras/generator/generator.exe
// thanks to Lev Povalahev (levp@gmx.net) for his glExt headers...
// -------------------------------------------------------------------
GL_ARB_depth_texture
GL_ARB_fragment_program
GL_ARB_imaging
GL_ARB_matrix_palette
GL_ARB_multisample
GL_ARB_multitexture
GL_ARB_point_parameters
GL_ARB_shadow
GL_ARB_shadow_ambient
GL_ARB_texture_compression
GL_ARB_texture_env_add
GL_ARB_texture_env_dot3
GL_ARB_texture_env_combine
GL_ARB_texture_env_crossbar
GL_ARB_texture_border_clamp
GL_ARB_texture_cube_map
GL_ARB_texture_mirrored_repeat
GL_ARB_transpose_matrix
GL_ARB_vertex_blend
GL_ARB_vertex_program
GL_ARB_window_pos
GL_EXT_abgr
GL_EXT_bgra
GL_EXT_blend_function_separate
GL_EXT_compiled_vertex_array
GL_EXT_cull_vertex
GL_EXT_draw_range_elements
GL_EXT_fog_coord
GL_EXT_multi_draw_arrays
GL_EXT_point_parameters
GL_EXT_secondary_color  
GL_EXT_separate_specular_color
GL_EXT_shadow_funcs
GL_EXT_stencil_two_side
GL_EXT_stencil_wrap
GL_EXT_texture_compression_s3tc
GL_EXT_texture_env_combine
GL_EXT_texture_filter_anisotropic
GL_EXT_texture_lod_bias
GL_EXT_vertex_shader
GL_EXT_vertex_weighting
GL_ATI_element_array
GL_ATI_envmap_bumpmap
GL_ATI_fragment_shader
GL_ATI_pn_triangles
GL_ATI_text_fragment_shader
GL_ATI_texture_mirror_once
GL_ATI_vertex_array_object;
GL_ATI_vertex_streams
GL_ATIX_point_sprites
GL_ATIX_texture_env_route
GL_HP_occlusion_test
GL_NV_blend_square
GL_NV_copy_depth_to_color
GL_NV_depth_clamp
GL_NV_element_array
GL_NV_evaluators
GL_NV_fence
GL_NV_float_buffer
GL_NV_fog_distance
GL_NV_fragment_program
GL_NV_light_max_exponent
GL_NV_occlusion_query
GL_NV_packed_depth_stencil
GL_NV_point_sprite
GL_NV_primitive_restart
GL_NV_register_combiners
GL_NV_register_combiners2
GL_NV_texgen_reflection
GL_NV_texture_env_combine4
GL_NV_texture_rectangle
GL_NV_texture_shader
GL_NV_texture_shader2
GL_NV_texture_shader3
GL_NV_vertex_array_range
GL_NV_vertex_array_range2
GL_NV_vertex_program
GL_NV_vertex_program1_1
GL_NV_vertex_program2
GL_SGIS_generate_mipmap
GL_SGIX_shadow
GL_SGIX_depth_texture
WGL_ARB_buffer_region
WGL_ARB_extensions_string
WGL_ARB_make_current_read;
WGL_ARB_multisample
WGL_ARB_pbuffer
WGL_ARB_pixel_format
WGL_ARB_render_texture 
WGL_EXT_extensions_string
WGL_EXT_swap_control
WGL_NV_render_depth_texture
WGL_NV_render_texture_rectangle