`sig
type (+'a, +'b) t
val create :
([< Gl.kind ] as 'a) ->
format:([< Gl.format ] as 'b) ->
width:int -> height:int -> ('b, 'a) GlPix.t
val of_raw :
([< Gl.kind ] as 'a) Raw.t ->
format:([< Gl.format ] as 'b) ->
width:int -> height:int -> ('b, 'a) GlPix.t
val to_raw : ('a, 'b) GlPix.t -> 'b Raw.t
val format : ('a, 'b) GlPix.t -> 'a
val width : ('a, 'b) GlPix.t -> int
val height : ('a, 'b) GlPix.t -> int
val raw_pos :
([< Gl.format ], [< Gl.kind ]) GlPix.t -> x:int -> y:int -> int
val read :
x:int ->
y:int ->
width:int ->
height:int ->
format:([< Gl.format ] as 'a) ->
kind:([< Gl.kind ] as 'b) -> ('a, 'b) GlPix.t
type bitmap = ([ `color_index ], [ `bitmap ]) GlPix.t
val bitmap : GlPix.bitmap -> orig:Gl.point2 -> move:Gl.point2 -> unit
val draw : ([< Gl.format ], [< Gl.kind ]) GlPix.t -> unit
type map =
[ `a_to_a
| `b_to_b
| `g_to_g
| `i_to_a
| `i_to_b
| `i_to_g
| `i_to_i
| `i_to_r
| `r_to_r
| `s_to_s ]
val map : GlPix.map -> [ `float ] Raw.t -> unit
type store_param =
[ `pack_alignment of int
| `pack_lsb_first of bool
| `pack_row_length of int
| `pack_skip_pixels of int
| `pack_skip_rows of int
| `pack_swap_bytes of bool
| `unpack_alignment of int
| `unpack_lsb_first of bool
| `unpack_row_length of int
| `unpack_skip_pixels of int
| `unpack_skip_rows of int
| `unpack_swap_bytes of bool ]
val store : GlPix.store_param -> unit
type transfer_param =
[ `alpha_bias of float
| `alpha_scale of float
| `blue_bias of float
| `blue_scale of float
| `depth_bias of float
| `depth_scale of float
| `green_bias of float
| `green_scale of float
| `index_offset of int
| `index_shift of int
| `map_color of bool
| `map_stencil of bool
| `red_bias of float
| `red_scale of float ]
val transfer : GlPix.transfer_param -> unit
val zoom : x:float -> y:float -> unit
val raster_pos : x:float -> y:float -> ?z:float -> ?w:float -> unit -> unit
val copy :
x:int ->
y:int ->
width:int -> height:int -> buffer:[ `color | `depth | `stencil ] -> unit
end`