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/***********************************************************************
filename: CEGUIDirect3D10Texture.h
created: Sat Mar 7 2009
author: Paul D Turner (parts based on code by Rajko Stojadinovic)
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
***************************************************************************/
#ifndef _CEGUIDirect3D10Texture_h_
#define _CEGUIDirect3D10Texture_h_
#include "../../CEGUITexture.h"
#include "CEGUIDirect3D10Renderer.h"
#include "../../CEGUISize.h"
#include "../../CEGUIVector.h"
// d3d forward refs
struct ID3D10Device;
struct ID3D10Texture2D;
struct ID3D10ShaderResourceView;
// Start of CEGUI namespace section
namespace CEGUI
{
//! Texture implementation for the Direct3D10Renderer.
class D3D10_GUIRENDERER_API Direct3D10Texture : public Texture
{
public:
/*!
\brief
set the D3D10 texture that this Texture is based on to the specified
texture.
*/
void setDirect3DTexture(ID3D10Texture2D* tex);
/*!
\brief
Return the internal D3D10 texture used by this Texture object.
\return
Pointer to the D3D10 texture interface that this object is using.
*/
ID3D10Texture2D* getDirect3DTexture() const;
/*!
\brief
Return the internal D3D10 shader resource view for the texture.
\return
Pointer to the ID3D10ShaderResourceView interface.
*/
ID3D10ShaderResourceView* getDirect3DShaderResourceView() const;
/*!
\brief
Sets what the texture should consider as the original data size.
\note
This also causes the texel scaling values to be updated.
*/
void setOriginalDataSize(const Size& sz);
// implement abstract members from base class.
const Size& getSize() const;
const Size& getOriginalDataSize() const;
const Vector2& getTexelScaling() const;
void loadFromFile(const String& filename, const String& resourceGroup);
void loadFromMemory(const void* buffer, const Size& buffer_size,
PixelFormat pixel_format);
void saveToMemory(void* buffer);
protected:
// Friends to allow Renderer to peform construction and destruction
friend Texture& Direct3D10Renderer::createTexture();
friend Texture& Direct3D10Renderer::createTexture(const String&, const String&);
friend Texture& Direct3D10Renderer::createTexture(const Size&);
//friend Texture& Direct3D10Renderer::createTexture(ID3D10Texture2D* tex);
friend void Direct3D10Renderer::destroyTexture(Texture&);
//! Basic constructor.
Direct3D10Texture(ID3D10Device& device);
//! Construct texture from an image file.
Direct3D10Texture(ID3D10Device& device, const String& filename,
const String& resourceGroup);
//! Construct texture with a given size.
Direct3D10Texture(ID3D10Device& device, const Size& sz);
//! Construct texture that wraps an existing D3D10 texture.
Direct3D10Texture(ID3D10Device& device, ID3D10Texture2D* tex);
//! Destructor.
virtual ~Direct3D10Texture();
//! clean up the internal texture.
void cleanupDirect3D10Texture();
//! updates cached scale value used to map pixels to texture co-ords.
void updateCachedScaleValues();
//! set d_size to actual texture size (d_dataSize is used if query fails)
void updateTextureSize();
//! creates shader resource view for the current D3D texture
void initialiseShaderResourceView();
//! D3D device used to do the business.
ID3D10Device& d_device;
//! The D3D 10 texture we're wrapping.
ID3D10Texture2D* d_texture;
//! Shader resource view for the texture.
ID3D10ShaderResourceView* d_resourceView;
//! Size of the texture.
Size d_size;
//! original pixel of size data loaded into texture
Size d_dataSize;
//! cached pixel to texel mapping scale values.
Vector2 d_texelScaling;
};
} // End of CEGUI namespace section
#endif // end of guard _CEGUIDirect3D10Texture_h_
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