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RendererModules/OpenGL/TextureTarget.h
1 /***********************************************************************
2  created: Thu Oct 15 2009
3  author: Paul D Turner <paul@cegui.org.uk>
4 *************************************************************************/
5 /***************************************************************************
6  * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining
9  * a copy of this software and associated documentation files (the
10  * "Software"), to deal in the Software without restriction, including
11  * without limitation the rights to use, copy, modify, merge, publish,
12  * distribute, sublicense, and/or sell copies of the Software, and to
13  * permit persons to whom the Software is furnished to do so, subject to
14  * the following conditions:
15  *
16  * The above copyright notice and this permission notice shall be
17  * included in all copies or substantial portions of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25  * OTHER DEALINGS IN THE SOFTWARE.
26  ***************************************************************************/
27 #ifndef _CEGUIOpenGLTextureTarget_h_
28 #define _CEGUIOpenGLTextureTarget_h_
29 
30 #include "CEGUI/RendererModules/OpenGL/RenderTarget.h"
31 #include "../../TextureTarget.h"
32 
33 #if defined(_MSC_VER)
34 # pragma warning(push)
35 # pragma warning(disable : 4250)
36 #endif
37 
38 // Start of CEGUI namespace section
39 namespace CEGUI
40 {
46 class OPENGL_GUIRENDERER_API OpenGLTextureTarget : public OpenGLRenderTarget<TextureTarget>
47 {
48 public:
52  virtual ~OpenGLTextureTarget();
53 
54  // implementation of RenderTarget interface
55  bool isImageryCache() const;
56  // implementation of parts of TextureTarget interface
57  Texture& getTexture() const;
58  bool isRenderingInverted() const;
59 
67  virtual void grabTexture();
68 
74  virtual void restoreTexture();
75 
76 protected:
78  static String generateTextureName();
80  static uint s_textureNumber;
81 
83  void createCEGUITexture();
84 
86  GLuint d_texture;
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 _CEGUIOpenGLTextureTarget_h_