(* $Id: gl.mli,v 1.23 2012-03-06 03:31:02 garrigue Exp $ *) (* Exceptions *) exception GLerror of string (* Types common to all modules *) type rgb = float * float * floattype rgba = float * float * float * float type point2 = float * floattype point3 = float * float * floattype point4 = float * float * float * floattype vect3 = float * float *float type clampf = floattype short = inttype kind = [`bitmap|`byte|`float|`int|`short|`ubyte|`uint|`ushort]type real_kind = [`byte|`float|`int|`short|`ubyte|`uint|`ushort] type format =  [`alpha|`bgr|`bgra|`blue|`color_index|`depth_component|`green|`luminance  |`luminance_alpha|`red|`rgb|`rgba|`stencil_index]val format_size : [< format] -> int type target =  [`color_4|`index|`normal|`texture_coord_1|`texture_coord_2|`texture_coord_3  |`texture_coord_4|`trim_2|`trim_3|`vertex_3|`vertex_4]val target_size : [< target] -> int type cmp_func =  [`always|`equal|`gequal|`greater|`lequal|`less|`never|`notequal]type face = [`back|`both|`front] (* Basic functions *) val flush : unit -> unitval finish : unit -> unit type cap =  [`alpha_test|`auto_normal|`blend|`clip_plane0|`clip_plane1|`clip_plane2  |`clip_plane3|`clip_plane4|`clip_plane5|`color_material|`cull_face  |`depth_test|`dither|`fog|`light0|`light1|`light2|`light3|`light4|`light5  |`light6|`light7|`lighting|`line_smooth|`line_stipple  |`index_logic_op |`color_logic_op  |`map1_color_4|`map1_index|`map1_normal|`map1_texture_coord_1  |`map1_texture_coord_2|`map1_texture_coord_3|`map1_texture_coord_4  |`map1_vertex_3|`map1_vertex_4|`map2_color_4|`map2_index|`map2_normal  |`map2_texture_coord_1|`map2_texture_coord_2|`map2_texture_coord_3  |`map2_texture_coord_4|`map2_vertex_3|`map2_vertex_4|`normalize|`point_smooth  |`polygon_offset_fill|`polygon_offset_line|`polygon_offset_point  |`polygon_smooth|`polygon_stipple|`scissor_test|`stencil_test|`texture_1d  |`texture_2d|`texture_gen_q|`texture_gen_r|`texture_gen_s|`texture_gen_t]val enable : cap -> unitval disable : cap -> unitval is_enabled : cap -> bool type error =  [`no_error|`invalid_enum|`invalid_value|`invalid_operation  |`stack_overflow|`stack_underflow|`out_of_memory|`table_too_large]val get_error : unit -> errorval raise_error : string -> unit  (* raise GLerror if there is a current error, otherwise do nothing *)