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let get_render_target = foreign " SDL_GetRenderTarget " ( renderer @-> returning texture_opt )
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let get_renderer = foreign " SDL_GetRenderer " ( window @-> returning ( some_to_ok renderer_opt ) )
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let get_renderer_info = foreign " SDL_GetRendererInfo " ( renderer @-> ptr renderer_info @-> returning zero_to_ok )
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let get_renderer_info r = let info = make renderer_info in match get_renderer_info r ( addr info ) with | Ok ( ) -> Ok ( renderer_info_of_c info ) | Error _ as e -> e
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let get_renderer_output_size = foreign " SDL_GetRendererOutputSize " ( renderer @-> ptr int @-> ptr int @-> returning zero_to_ok )
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let get_renderer_output_size r = let w = allocate int 0 in let h = allocate int 0 in match get_renderer_output_size r w h with | Ok ( ) -> Ok ( !@ w , !@ h ) | Error _ as e -> e
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let render_clear = foreign " SDL_RenderClear " ( renderer @-> returning zero_to_ok )
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let render_copy = foreign " SDL_RenderCopy " ( renderer @-> texture @-> ptr rect @-> ptr rect @-> returning zero_to_ok )
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let render_copy ? src ? dst r t = render_copy r t ( Rect . opt_addr src ) ( Rect . opt_addr dst )
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let render_copy_ex = foreign " SDL_RenderCopyEx " ( renderer @-> texture @-> ptr rect @-> ptr rect @-> double @-> ptr point @-> int @-> returning zero_to_ok )
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let render_copy_ex ? src ? dst r t angle c flip = render_copy_ex r t ( Rect . opt_addr src ) ( Rect . opt_addr dst ) angle ( Point . opt_addr c ) flip
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let render_draw_line = foreign " SDL_RenderDrawLine " ( renderer @-> int @-> int @-> int @-> int @-> returning zero_to_ok )
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let render_draw_line_f = foreign " SDL_RenderDrawLineF " ( renderer @-> float @-> float @-> float @-> float @-> returning zero_to_ok )
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let render_draw_lines = foreign " SDL_RenderDrawLines " ( renderer @-> ptr void @-> int @-> returning zero_to_ok )
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let render_draw_lines_ba r ps = let len = Bigarray . Array1 . dim ps in if len mod 2 <> 0 then invalid_arg ( err_length_mul len 2 ) else let count = len / 2 in let ps = to_voidp ( bigarray_start array1 ps ) in render_draw_lines r ps count
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let render_draw_lines r ps = let count = List . length ps in let a = CArray . of_list point ps in render_draw_lines r ( to_voidp ( CArray . start a ) ) count
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let render_draw_point = foreign " SDL_RenderDrawPoint " ( renderer @-> int @-> int @-> returning zero_to_ok )
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let render_draw_points = foreign " SDL_RenderDrawPoints " ( renderer @-> ptr void @-> int @-> returning zero_to_ok )
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let render_draw_points_ba r ps = let len = Bigarray . Array1 . dim ps in if len mod 2 <> 0 then invalid_arg ( err_length_mul len 2 ) else let count = len / 2 in let ps = to_voidp ( bigarray_start array1 ps ) in render_draw_points r ps count
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let render_draw_points r ps = let count = List . length ps in let a = CArray . of_list point ps in render_draw_points r ( to_voidp ( CArray . start a ) ) count
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let render_draw_point_f = foreign " SDL_RenderDrawPointF " ( renderer @-> float @-> float @-> returning zero_to_ok )
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let render_draw_points_f = foreign " SDL_RenderDrawPointsF " ( renderer @-> ptr void @-> int @-> returning zero_to_ok )
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let render_draw_points_f_ba r ps = let len = Bigarray . Array1 . dim ps in if len mod 2 <> 0 then invalid_arg ( err_length_mul len 2 ) else let count = len / 2 in let ps = to_voidp ( bigarray_start array1 ps ) in render_draw_points_f r ps count
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let render_draw_points_f r ps = let count = List . length ps in let a = CArray . of_list fpoint ps in render_draw_points_f r ( to_voidp ( CArray . start a ) ) count
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let render_draw_rect = foreign " SDL_RenderDrawRect " ( renderer @-> ptr rect @-> returning zero_to_ok )
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let render_draw_rect rend r = render_draw_rect rend ( Rect . opt_addr r )
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let render_draw_rects = foreign " SDL_RenderDrawRects " ( renderer @-> ptr void @-> int @-> returning zero_to_ok )
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let render_draw_rects_ba r rs = let len = Bigarray . Array1 . dim rs in if len mod 4 <> 0 then invalid_arg ( err_length_mul len 4 ) else let count = len / 4 in let rs = to_voidp ( bigarray_start array1 rs ) in render_draw_rects r rs count
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let render_draw_rects r rs = let count = List . length rs in let a = CArray . of_list rect rs in render_draw_rects r ( to_voidp ( CArray . start a ) ) count
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let render_fill_rect = foreign " SDL_RenderFillRect " ( renderer @-> ptr rect @-> returning zero_to_ok )
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let render_fill_rect rend r = render_fill_rect rend ( Rect . opt_addr r )
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let render_fill_rects = foreign " SDL_RenderFillRects " ( renderer @-> ptr void @-> int @-> returning zero_to_ok )
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let render_fill_rects_ba r rs = let len = Bigarray . Array1 . dim rs in if len mod 4 <> 0 then invalid_arg ( err_length_mul len 4 ) else let count = len / 4 in let rs = to_voidp ( bigarray_start array1 rs ) in render_fill_rects r rs count
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let render_fill_rects r rs = let count = List . length rs in let a = CArray . of_list rect rs in render_fill_rects r ( to_voidp ( CArray . start a ) ) count
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let render_get_clip_rect = foreign " SDL_RenderGetClipRect " ( renderer @-> ptr rect @-> returning void )
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let render_get_clip_rect rend = let r = make rect in render_get_clip_rect rend ( addr r ) ; r
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let render_is_clip_enabled = foreign " SDL_RenderIsClipEnabled " ( renderer @-> returning bool )
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let render_get_integer_scale = foreign " SDL_RenderGetIntegerScale " ( renderer @-> returning bool )
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let render_get_logical_size = foreign " SDL_RenderGetLogicalSize " ( renderer @-> ptr int @-> ptr int @-> returning void )
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let render_get_logical_size r = let w = allocate int 0 in let h = allocate int 0 in render_get_logical_size r w h ; !@ w , !@ h
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let render_get_scale = foreign " SDL_RenderGetScale " ( renderer @-> ptr float @-> ptr float @-> returning void )
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let render_get_scale r = let x = allocate float 0 . in let y = allocate float 0 . in render_get_scale r x y ; !@ x , !@ y
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let render_get_viewport = foreign " SDL_RenderGetViewport " ( renderer @-> ptr rect @-> returning void )
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let render_get_viewport rend = let r = make rect in render_get_viewport rend ( addr r ) ; r
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let render_present = foreign " SDL_RenderPresent " ( renderer @-> returning void )
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let render_read_pixels = foreign " SDL_RenderReadPixels " ( renderer @-> ptr rect @-> uint32_t @-> ptr void @-> int @-> returning zero_to_ok )
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let render_read_pixels r rect format pixels pitch = let format = match format with None -> Unsigned . UInt32 . zero | Some f -> f in let pixels = to_voidp ( bigarray_start array1 pixels ) in render_read_pixels r ( Rect . opt_addr rect ) format pixels pitch
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let render_set_clip_rect = foreign " SDL_RenderSetClipRect " ( renderer @-> ptr rect @-> returning zero_to_ok )
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let render_set_clip_rect rend r = render_set_clip_rect rend ( Rect . opt_addr r )
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let render_set_integer_scale = foreign " SDL_RenderSetIntegerScale " ( renderer @-> bool @-> returning zero_to_ok )
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let render_set_logical_size = foreign " SDL_RenderSetLogicalSize " ( renderer @-> int @-> int @-> returning zero_to_ok )
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let render_set_scale = foreign " SDL_RenderSetScale " ( renderer @-> float @-> float @-> returning zero_to_ok )
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let render_set_viewport = foreign " SDL_RenderSetViewport " ( renderer @-> ptr rect @-> returning zero_to_ok )
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let render_set_viewport rend r = render_set_viewport rend ( Rect . opt_addr r )
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let render_target_supported = foreign " SDL_RenderTargetSupported " ( renderer @-> returning bool )
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let set_render_draw_blend_mode = foreign " SDL_SetRenderDrawBlendMode " ( renderer @-> int @-> returning zero_to_ok )
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let set_render_draw_color = foreign " SDL_SetRenderDrawColor " ( renderer @-> int_as_uint8_t @-> int_as_uint8_t @-> int_as_uint8_t @-> int_as_uint8_t @-> returning zero_to_ok )
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let set_render_target = foreign " SDL_SetRenderTarget " ( renderer @-> texture @-> returning zero_to_ok )
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let set_render_target r t = let t = match t with None -> null | Some t -> t in set_render_target r t
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module Texture = struct type access = int let access_static = sdl_textureaccess_static let access_streaming = sdl_textureaccess_streaming let access_target = sdl_textureaccess_target let i = Unsigned . UInt32 . of_int type modulate = Unsigned . uint32 let modulate_none = i sdl_texturemodulate_none let modulate_color = i sdl_texturemodulate_color let modulate_alpha = i sdl_texturemodulate_alpha end
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let create_texture = foreign " SDL_CreateTexture " ( renderer @-> uint32_t @-> int @-> int @-> int @-> returning ( some_to_ok renderer_opt ) )
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let create_texture r pf access ~ w ~ h = create_texture r pf access w h
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let create_texture_from_surface = foreign " SDL_CreateTextureFromSurface " ( renderer @-> surface @-> returning ( some_to_ok texture_opt ) )
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let destroy_texture = foreign " SDL_DestroyTexture " ( texture @-> returning void )
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let get_texture_alpha_mod = foreign " SDL_GetTextureAlphaMod " ( texture @-> ptr uint8_t @-> returning zero_to_ok )
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let get_texture_alpha_mod t = let alpha = allocate uint8_t Unsigned . UInt8 . zero in match get_texture_alpha_mod t alpha with | Ok ( ) -> Ok ( Unsigned . UInt8 . to_int ( !@ alpha ) ) | Error _ as e -> e
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let get_texture_blend_mode = foreign " SDL_GetTextureBlendMode " ( texture @-> ptr int @-> returning zero_to_ok )
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let get_texture_blend_mode t = let m = allocate int 0 in match get_texture_blend_mode t m with | Ok ( ) -> Ok ( !@ m ) | Error _ as e -> e
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let get_texture_color_mod = foreign " SDL_GetTextureColorMod " ( renderer @-> ptr uint8_t @-> ptr uint8_t @-> ptr uint8_t @-> returning zero_to_ok )
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let get_texture_color_mod t = let alloc ( ) = allocate uint8_t Unsigned . UInt8 . zero in let get v = Unsigned . UInt8 . to_int ( !@ v ) in let r , g , b = alloc ( ) , alloc ( ) , alloc ( ) in match get_texture_color_mod t r g b with | Ok ( ) -> Ok ( get r , get g , get b ) | Error _ as e -> e
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let query_texture = foreign " SDL_QueryTexture " ( texture @-> ptr uint32_t @-> ptr int @-> ptr int @-> ptr int @-> returning zero_to_ok )
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let _texture_height t = let h = allocate int 0 in let unull = coerce ( ptr void ) ( ptr uint32_t ) null in let inull = coerce ( ptr void ) ( ptr int ) null in match query_texture t unull inull inull h with | Ok ( ) -> Ok ( !@ h ) | Error _ as e -> e
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let lock_texture = foreign " SDL_LockTexture " ( texture @-> ptr rect @-> ptr ( ptr void ) @-> ptr int @-> returning zero_to_ok )
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let lock_texture t r kind = match ( match r with None -> _texture_height t | Some r -> Ok ( Rect . h r ) ) with | Error _ as e -> e | Ok h -> let pitch = allocate int 0 in let p = allocate ( ptr void ) null in match lock_texture t ( Rect . opt_addr r ) p pitch with | Error _ as e -> e | Ok ( ) -> let p = !@ p in let pitch = !@ pitch in let kind_size = ba_kind_byte_size kind in if pitch mod kind_size <> 0 then invalid_arg ( err_bigarray_pitch pitch kind_size ) else let ba_size = ( pitch * h ) / kind_size in let pixels = coerce ( ptr void ) ( access_ptr_typ_of_ba_kind kind ) p in Ok ( bigarray_of_ptr array1 ba_size kind pixels , pitch / kind_size )
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let query_texture t = let pf = allocate uint32_t Unsigned . UInt32 . zero in let access = allocate int 0 in let w = allocate int 0 in let h = allocate int 0 in match query_texture t pf access w h with | Ok ( ) -> Ok ( !@ pf , !@ access , ( !@ w , !@ h ) ) | Error _ as e -> e
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let set_texture_alpha_mod = foreign " SDL_SetTextureAlphaMod " ( texture @-> int_as_uint8_t @-> returning zero_to_ok )
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let set_texture_blend_mode = foreign " SDL_SetTextureBlendMode " ( texture @-> int @-> returning zero_to_ok )
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let set_texture_color_mod = foreign " SDL_SetTextureColorMod " ( texture @-> int_as_uint8_t @-> int_as_uint8_t @-> int_as_uint8_t @-> returning zero_to_ok )
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let unlock_texture = foreign " SDL_UnlockTexture " ( texture @-> returning void )
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let update_texture = foreign " SDL_UpdateTexture " ( texture @-> ptr rect @-> ptr void @-> int @-> returning zero_to_ok )
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let update_texture t rect pixels pitch = let pitch = pitch * ( ba_kind_byte_size ( Bigarray . Array1 . kind pixels ) ) in let pixels = to_voidp ( bigarray_start array1 pixels ) in update_texture t ( Rect . opt_addr rect ) pixels pitch
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let update_yuv_texture = foreign " SDL_UpdateYUVTexture " ( texture @-> ptr rect @-> ptr void @-> int @-> ptr void @-> int @-> ptr void @-> int @-> returning zero_to_ok )
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let update_yuv_texture r rect ~ y ypitch ~ u upitch ~ v vpitch = let yp = to_voidp ( bigarray_start array1 y ) in let up = to_voidp ( bigarray_start array1 u ) in let vp = to_voidp ( bigarray_start array1 v ) in update_yuv_texture r ( Rect . opt_addr rect ) yp ypitch up upitch vp vpitch
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let get_current_video_driver = foreign " SDL_GetCurrentVideoDriver " ( void @-> returning string_opt )
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let get_num_video_drivers = foreign " SDL_GetNumVideoDrivers " ( void @-> returning nat_to_ok )
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let get_video_driver = foreign " SDL_GetVideoDriver " ( int @-> returning ( some_to_ok string_opt ) )
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let video_init = foreign " SDL_VideoInit " ( string_opt @-> returning zero_to_ok )
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let video_quit = foreign " SDL_VideoQuit " ( void @-> returning void )
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type driverdata = unit ptr
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let driverdata = ptr_opt void
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type display_mode = { dm_format : Pixel . format_enum ; dm_w : int ; dm_h : int ; dm_refresh_rate : int option ; dm_driverdata : driverdata option }
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let display_mode : _display_mode structure typ = structure " SDL_DisplayMode "
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let dm_format = field display_mode " format " uint32_t
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let dm_w = field display_mode " w " int
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let dm_h = field display_mode " h " int
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let dm_refresh_rate = field display_mode " refresh_rate " int
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let dm_driverdata = field display_mode " driverdata " driverdata
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let ( ) = seal display_mode
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let display_mode_to_c o = let c = make display_mode in let rate = match o . dm_refresh_rate with None -> 0 | Some r -> r in setf c dm_format o . dm_format ; setf c dm_w o . dm_w ; setf c dm_h o . dm_h ; setf c dm_refresh_rate rate ; setf c dm_driverdata o . dm_driverdata ; c
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let display_mode_of_c c = let dm_format = getf c dm_format in let dm_w = getf c dm_w in let dm_h = getf c dm_h in let dm_refresh_rate = match getf c dm_refresh_rate with | 0 -> None | r -> Some r in let dm_driverdata = getf c dm_driverdata in { dm_format ; dm_w ; dm_h ; dm_refresh_rate ; dm_driverdata }
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