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with
System;
private with
Interfaces.C;
package FLTK.Widgets.Groups.Windows.OpenGL is
-------------
-- Types --
-------------
type GL_Window is new Window with private;
type GL_Window_Reference (Data : not null access GL_Window'Class) is
limited null record with Implicit_Dereference => Data;
-- RGB mode is achieved by Index being set to False
-- Single buffer mode is achieved by Double being set to False
type Mode_Mask is record
Index : Boolean := False;
Double : Boolean := False;
Accum : Boolean := False;
Alpha : Boolean := False;
Depth : Boolean := False;
Stencil : Boolean := False;
RGB8 : Boolean := False;
Multisample : Boolean := False;
Stereo : Boolean := False;
Fake_Single : Boolean := False;
OpenGL3 : Boolean := False;
end record;
--------------------
-- Constructors --
--------------------
package Forge is
function Create
(X, Y, W, H : in Integer;
Text : in String := "")
return GL_Window;
function Create
(W, H : in Integer;
Text : in String := "")
return GL_Window;
end Forge;
---------------
-- Display --
---------------
procedure Show
(This : in out GL_Window);
procedure Hide
(This : in out GL_Window);
procedure Hide_Overlay
(This : in out GL_Window);
procedure Flush
(This : in out GL_Window);
------------------
-- Dimensions --
------------------
function Pixel_H
(This : in GL_Window)
return Integer;
function Pixel_W
(This : in GL_Window)
return Integer;
function Pixels_Per_Unit
(This : in GL_Window)
return Float;
--------------------
-- OpenGL Modes --
--------------------
function Get_Mode
(This : in GL_Window)
return Mode_Mask;
procedure Set_Mode
(This : in out GL_Window;
Mask : in Mode_Mask);
function Can_Do
(Mask : in Mode_Mask)
return Boolean;
function Can_Do
(This : in GL_Window)
return Boolean;
function Can_Do_Overlay
(This : in GL_Window)
return Boolean;
-----------------------
-- OpenGL Contexts --
-----------------------
function Get_Context
(This : in GL_Window)
return System.Address;
procedure Set_Context
(This : in out GL_Window;
Struct : in System.Address;
Destroy : in Boolean := False);
function Get_Context_Valid
(This : in GL_Window)
return Boolean;
procedure Set_Context_Valid
(This : in out GL_Window;
Value : in Boolean);
function Get_Valid
(This : in GL_Window)
return Boolean;
procedure Set_Valid
(This : in out GL_Window;
Value : in Boolean);
procedure Make_Current
(This : in out GL_Window);
procedure Make_Overlay_Current
(This : in out GL_Window);
----------------------------------
-- Drawing and Event Handling --
----------------------------------
procedure Ortho
(This : in out GL_Window);
procedure Redraw_Overlay
(This : in out GL_Window);
procedure Swap_Buffers
(This : in out GL_Window);
procedure Draw
(This : in out GL_Window);
function Handle
(This : in out GL_Window;
Event : in Event_Kind)
return Event_Outcome;
private
type GL_Window is new Window with null record;
overriding procedure Finalize
(This : in out GL_Window);
for Mode_Mask use record
Index at 0 range 0 .. 0;
Double at 0 range 1 .. 1;
Accum at 0 range 2 .. 2;
Alpha at 0 range 3 .. 3;
Depth at 0 range 4 .. 4;
Stencil at 0 range 5 .. 5;
RGB8 at 0 range 6 .. 6;
Multisample at 0 range 7 .. 7;
Stereo at 0 range 8 .. 8;
Fake_Single at 0 range 9 .. 9;
OpenGL3 at 0 range 10 .. Interfaces.C.unsigned'Size - 1;
end record;
for Mode_Mask'Size use Interfaces.C.unsigned'Size;
pragma Convention (C_Pass_By_Copy, Mode_Mask);
pragma Inline (Show);
pragma Inline (Hide);
pragma Inline (Hide_Overlay);
pragma Inline (Flush);
pragma Inline (Pixel_H);
pragma Inline (Pixel_W);
pragma Inline (Pixels_Per_Unit);
pragma Inline (Get_Mode);
pragma Inline (Set_Mode);
pragma Inline (Can_Do);
pragma Inline (Can_Do_Overlay);
pragma Inline (Get_Context);
pragma Inline (Set_Context);
pragma Inline (Get_Context_Valid);
pragma Inline (Set_Context_Valid);
pragma Inline (Get_Valid);
pragma Inline (Set_Valid);
pragma Inline (Make_Current);
pragma Inline (Make_Overlay_Current);
pragma Inline (Ortho);
pragma Inline (Redraw_Overlay);
pragma Inline (Swap_Buffers);
pragma Inline (Draw);
pragma Inline (Handle);
end FLTK.Widgets.Groups.Windows.OpenGL;
|
