Crazy Eddie's GUI System  0.8.1
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Pages
FBOTextureTarget.h
1 /***********************************************************************
2  filename: CEGUIOpenGLESFBOTextureTarget.h
3  created: Sun Jan 11 2009
4  author: Paul D Turner
5 *************************************************************************/
6 /***************************************************************************
7  * Copyright (C) 2004 - 2009 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 _CEGUIOpenGLESFBOTextureTarget_h_
29 #define _CEGUIOpenGLESFBOTextureTarget_h_
30 
31 #include "CEGUI/RendererModules/OpenGLES/RenderTarget.h"
32 #include "CEGUI/TextureTarget.h"
33 #include "CEGUI/Rect.h"
34 #include "CEGUI/RendererModules/OpenGLES/GLES.h"
35 
36 #if defined(_MSC_VER)
37 # pragma warning(push)
38 # pragma warning(disable : 4250)
39 #endif
40 
41 // Start of CEGUI namespace section
42 namespace CEGUI
43 {
44 class OpenGLESTexture;
45 
47 class OPENGLES_GUIRENDERER_API OpenGLESFBOTextureTarget :
48  public OpenGLESRenderTarget<TextureTarget>
49 {
50 public:
51  OpenGLESFBOTextureTarget(OpenGLESRenderer& owner);
52  virtual ~OpenGLESFBOTextureTarget();
53 
54  // overrides from OpenGLESRenderTarget
55  void activate();
56  void deactivate();
57  // implementation of RenderTarget interface
58  bool isImageryCache() const;
59  // implementation of TextureTarget interface
60  void clear();
61  Texture& getTexture() const;
62  void declareRenderSize(const Sizef& sz);
63  bool isRenderingInverted() const;
64 
66  static void initializedFBOExtension();
67 
68 protected:
70  static const float DEFAULT_SIZE;
71 
73  void initialiseRenderTexture();
75  void resizeRenderTexture();
77  String generateTextureName();
78 
80  GLint d_oldFbo;
82  GLuint d_frameBuffer;
84  GLuint d_texture;
86  OpenGLESTexture* d_CEGUITexture;
88  static uint s_textureNumber;
89 };
90 
91 } // End of CEGUI namespace section
92 
93 #if defined(_MSC_VER)
94 # pragma warning(pop)
95 #endif
96 
97 #endif // end of guard _CEGUIOpenGLESFBOTextureTarget_h_