Crazy Eddie's GUI System  0.8.1
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RendererModules/OpenGL/RenderTarget.h
1 /***********************************************************************
2  filename: CEGUIOpenGL3RenderTarget.h
3  created: Wed, 8th Feb 2012
4  author: Lukas E Meindl (based on code by Paul D Turner)
5 *************************************************************************/
6 /***************************************************************************
7  * Copyright (C) 2004 - 2012 Paul D Turner & The CEGUI Development Team
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining
10  * a copy of this software and associated documentation files (the
11  * "Software"), to deal in the Software without restriction, including
12  * without limitation the rights to use, copy, modify, merge, publish,
13  * distribute, sublicense, and/or sell copies of the Software, and to
14  * permit persons to whom the Software is furnished to do so, subject to
15  * the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be
18  * included in all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26  * OTHER DEALINGS IN THE SOFTWARE.
27  ***************************************************************************/
28 #ifndef _CEGUIOpenGLRenderTarget_h_
29 #define _CEGUIOpenGLRenderTarget_h_
30 
31 #include "CEGUI/RendererModules/OpenGL/RendererBase.h"
32 #include "../../RenderTarget.h"
33 #include "../../Rect.h"
34 
35 #if defined(_MSC_VER)
36 # pragma warning(push)
37 # pragma warning(disable : 4251)
38 #endif
39 
40 namespace CEGUI
41 {
46 template <typename T = RenderTarget>
47 class OPENGL_GUIRENDERER_API OpenGLRenderTarget : public T
48 {
49 public:
51  OpenGLRenderTarget(OpenGLRendererBase& owner);
52  virtual ~OpenGLRenderTarget();
53 
54  // implement parts of RenderTarget interface
55  void draw(const GeometryBuffer& buffer);
56  void draw(const RenderQueue& queue);
57  void setArea(const Rectf& area);
58  const Rectf& getArea() const;
59  void activate();
60  void deactivate();
61  void unprojectPoint(const GeometryBuffer& buff,
62  const Vector2f& p_in, Vector2f& p_out) const;
63 
64 protected:
66  virtual void updateMatrix() const;
67 
69  OpenGLRendererBase& d_owner;
71  Rectf d_area;
73  static const double d_yfov_tan;
75  mutable mat4Pimpl* d_matrix;
77  mutable bool d_matrixValid;
79  mutable double d_viewDistance;
80 };
81 
82 }
83 
84 #if defined(_MSC_VER)
85 # pragma warning(pop)
86 #endif
87 
88 #endif
89