Crazy Eddies GUI System 0.7.6
CEGUIDirect3D11Texture.h
00001 /***********************************************************************
00002     filename:   CEGUIDirect3D11Texture.h
00003     created:    Wed May 5 2010
00004 *************************************************************************/
00005 /***************************************************************************
00006  *   Copyright (C) 2004 - 2010 Paul D Turner & The CEGUI Development Team
00007  *
00008  *   Permission is hereby granted, free of charge, to any person obtaining
00009  *   a copy of this software and associated documentation files (the
00010  *   "Software"), to deal in the Software without restriction, including
00011  *   without limitation the rights to use, copy, modify, merge, publish,
00012  *   distribute, sublicense, and/or sell copies of the Software, and to
00013  *   permit persons to whom the Software is furnished to do so, subject to
00014  *   the following conditions:
00015  *
00016  *   The above copyright notice and this permission notice shall be
00017  *   included in all copies or substantial portions of the Software.
00018  *
00019  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00020  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00021  *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00022  *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
00023  *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00024  *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00025  *   OTHER DEALINGS IN THE SOFTWARE.
00026  ***************************************************************************/
00027 #ifndef _CEGUIDirect3D11Texture_h_
00028 #define _CEGUIDirect3D11Texture_h_
00029 
00030 #include "../../CEGUITexture.h"
00031 #include "CEGUIDirect3D11Renderer.h"
00032 #include "../../CEGUISize.h"
00033 #include "../../CEGUIVector.h"
00034 
00035 // d3d forward refs
00036 struct ID3D11Device;
00037 struct ID3D11DeviceContext;
00038 struct ID3D11Texture2D;
00039 struct ID3D11ShaderResourceView;
00040 
00041 
00042 
00043 // Start of CEGUI namespace section
00044 namespace CEGUI
00045 {
00047 class D3D11_GUIRENDERER_API Direct3D11Texture : public Texture
00048 {
00049 public:
00055     void setDirect3DTexture(ID3D11Texture2D* tex);
00056 
00064     ID3D11Texture2D* getDirect3DTexture() const;
00065 
00073     ID3D11ShaderResourceView* getDirect3DShaderResourceView() const;
00074 
00082     void setOriginalDataSize(const Size& sz);
00083 
00084     // implement abstract members from base class.
00085     const Size& getSize() const;
00086     const Size& getOriginalDataSize() const;
00087     const Vector2& getTexelScaling() const;
00088     void loadFromFile(const String& filename, const String& resourceGroup);
00089     void loadFromMemory(const void* buffer, const Size& buffer_size,
00090                         PixelFormat pixel_format);
00091     void saveToMemory(void* buffer);
00092 
00093 protected:
00094     // Friends to allow Renderer to peform construction and destruction
00095     friend Texture& Direct3D11Renderer::createTexture();
00096     friend Texture& Direct3D11Renderer::createTexture(const String&, const String&);
00097     friend Texture& Direct3D11Renderer::createTexture(const Size&);
00098     //friend Texture& Direct3D11Renderer::createTexture(ID3D10Texture2D* tex);
00099     friend void Direct3D11Renderer::destroyTexture(Texture&);
00100 
00102     Direct3D11Texture(IDevice11& device);
00104     Direct3D11Texture(IDevice11& device, const String& filename,
00105                       const String& resourceGroup);
00107     Direct3D11Texture(IDevice11& device, const Size& sz);
00109     Direct3D11Texture(IDevice11& device, ID3D11Texture2D* tex);
00111     virtual ~Direct3D11Texture();
00112 
00114     void cleanupDirect3D11Texture();
00116     void updateCachedScaleValues();
00118     void updateTextureSize();
00120     void initialiseShaderResourceView();
00121 
00123     IDevice11& d_device;
00125     ID3D11Texture2D* d_texture;
00127     ID3D11ShaderResourceView* d_resourceView;
00129     Size d_size;
00131     Size d_dataSize;
00133     Vector2 d_texelScaling;
00134 };
00135 
00136 
00137 } // End of  CEGUI namespace section
00138 
00139 #endif  // end of guard _CEGUIDirect3D11Texture_h_