d3d10texture.h

/***********************************************************************
    filename:   d3d10texture.h
    created:    17/7/2004
    author:     Paul D Turner with D3D 9 Updates by Magnus �sterlind
                D3D10 Port by Rajko Stojadinovic

    purpose:    Defines concrete texture class for D3D10.0
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2008 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 _d3d10texture_h_
#define _d3d10texture_h_

#include "CEGUIBase.h"
#include "CEGUIRenderer.h"
#include "CEGUITexture.h"
#include "d3d10renderer.h"
#include <d3d10.h>
#include <list>

// Start of CEGUI namespace section
namespace CEGUI
{
class DIRECTX10_GUIRENDERER_API DirectX10Texture : public Texture
{
private:
    /*************************************************************************
        Friends (to allow construction and destruction)
    *************************************************************************/
    friend Texture* DirectX10Renderer::createTexture(void);
    friend Texture* DirectX10Renderer::createTexture(const String& filename, 
        const String& resourceGroup);
    friend Texture* DirectX10Renderer::createTexture(float size);
    friend void DirectX10Renderer::destroyTexture(Texture* texture);

    /*************************************************************************
        Construction & Destruction (by Renderer object only)
    *************************************************************************/
    DirectX10Texture(Renderer* owner);
    virtual ~DirectX10Texture(void);

public:
    virtual ushort getWidth(void) const
        { return d_width; }

    virtual ushort getHeight(void) const
        { return d_height; }

    virtual ushort getOriginalWidth(void) const
        { return d_orgWidth; }
    virtual ushort getOriginalHeight(void) const
        { return d_orgHeight; }

    virtual void loadFromFile(const String& filename,
                              const String& resourceGroup);

    virtual void loadFromMemory(const void* buffPtr, uint buffWidth,
                                uint buffHeight, PixelFormat pixelFormat);

    LPDIRECT3DTEXTURE2D getD3DTexture(void) const {return d_d3dtexture;}
    ID3D10ShaderResourceView* getD3DResourceView(void) const {return d_srview;}

    void setD3DTextureSize(uint size);

private:
        /*************************************************************************
                Implementation Functions
        *************************************************************************/
        void freeD3DTexture(void);

    void obtainActualTextureSize(void);

    /*************************************************************************
        Implementation Data
    *************************************************************************/
    LPDIRECT3DTEXTURE2D d_d3dtexture;
        ID3D10ShaderResourceView* d_srview;
        String d_filename;
    String d_resourceGroup;
        bool d_isMemoryTexture;
        ushort d_width;
    ushort d_height;
    ushort d_orgWidth;
    ushort d_orgHeight;
};

} // End of  CEGUI namespace section

#endif  // end of guard _d3d10texture_h_