///////////////////////////////////////////////////////////////////////////////
//
//      ##  ######
//       ######  ###
//  ## ###############        Shark 3D Engine (www.shark3d.com)
//   ########## # # #
//    ########                Copyright (c) 1996-2006 Spinor GmbH.
//   ######### # # #          All rights reserved.
//  ##   ##########
//      ##
//
///////////////////////////////////////////////////////////////////////////////

//@cpp

#ifndef S3D_DRV_DXBASE_H
#define S3D_DRV_DXBASE_H

#include "general/general_env.h"
#include "drv/interf/drv_gfx.h"

///////////////////////////////////////////////////////////////////////////////

#ifndef S3D_GENERAL_PLATFORM_XBOXFAMILY
#ifndef S3D_DRV_D3D_DX8 

#include <d3d9.h>
#include <d3dx9.h>

// Check DX versions to ensure that an SDK is compiled and linked 
// against a well-defined DX version:

// Important! If you change the version here, 
// then don't forget to change the verison 
// also in the documentation about - requirements.
// Also important! If you support more than one version,
// then you must add the version string to the S3D_GENERAL_AMBIT macro.
#if DIRECT3D_VERSION != 0x0900
#pragma message( "Found DIRECT3D_VERSION = " \
        S3D_GENERAL_STR(DIRECT3D_VERSION) )
#error Wrong DIRECT3D_VERSION. See the previous output line.
#endif

// Important! If you change the version here, 
// then don't forget to change the verison 
// also in the documentation about - requirements.
// Also important! If you support more than one version,
// then you must add the version string to the S3D_GENERAL_AMBIT macro.
#if (D3D_SDK_VERSION & 0x7fffffff) != 32
#pragma message( "Found D3D_SDK_VERSION = " \
        S3D_GENERAL_STR(D3D_SDK_VERSION) )
#error Wrong D3D_SDK_VERSION. See the previous output line.
#endif

// Important! If you change the version here, 
// then don't forget to change the verison 
// also in the documentation about - requirements.
// Also important! If you support more than one version,
// then you must add the version string to the S3D_GENERAL_AMBIT macro.
#if D3DX_VERSION != 0x0902
#pragma message( "Found D3DX_VERSION = " \
        S3D_GENERAL_STR(D3DX_VERSION) )
#error Wrong D3DX_VERSION. See the previous output line.
#endif

// Important! If you change the version here, 
// then don't forget to change the verison 
// also in the documentation about - requirements.
// Also important! If you support more than one version,
// then you must add the version string to the S3D_GENERAL_AMBIT macro.
#if D3DX_SDK_VERSION != 31  // HE CAMBIADO ESTO PORQUE AQUÍ USO LA VERSION de Octubre DE D3DX
#pragma message( "Found D3DX_SDK_VERSION = " \
        S3D_GENERAL_STR(D3DX_SDK_VERSION) )
#error Wrong D3DX_SDK_VERSION. See the previous output line.
#endif

#endif
#endif

///////////////////////////////////////////////////////////////////////////////

//@
template<typename T>
class s3d_CDrvDxCom
{
public:
    //@
    s3d_CDrvDxCom();

    //@
    s3d_CDrvDxCom(const s3d_CDrvDxCom<T> &Com);

    //@
    ~s3d_CDrvDxCom();

    //@
    void Reset();

    //@
    void operator=(T p);

    //@
    void operator=(const s3d_CDrvDxCom<T> &Com);

    //@
    const T operator->() const;

    //@
    operator const T() const;

    //@
    T Get() const;

    //@ To use in QueryInterface functions or other functions
    // calling implicitely AddRef.
    T &EmptyRef();

private:
    __declspec(align(16)) T m_p;
};

///////////////////////////////////////////////////////////////////////////////

//@
struct s3d_CDrvDxError: s3d_CDrvGfxError
{
};

///////////////////////////////////////////////////////////////////////////////
// Implementations:
///////////////////////////////////////////////////////////////////////////////

template<typename T>
S3D_SYS_INLINE s3d_CDrvDxCom<T>::s3d_CDrvDxCom() 
{ 
    m_p = 0; 
}

template<typename T>
S3D_SYS_INLINE s3d_CDrvDxCom<T>::s3d_CDrvDxCom(const s3d_CDrvDxCom<T> &Com)
{
    T p = Com.m_p;
    m_p = p;
    if(p)
        p->AddRef();
}

template<typename T>
S3D_SYS_INLINE s3d_CDrvDxCom<T>::~s3d_CDrvDxCom() 
{ 
    T pLast = m_p;
    if(pLast) 
        pLast->Release(); 
}

template<typename T>
S3D_SYS_INLINE void s3d_CDrvDxCom<T>::Reset() 
{ 
    T pLast = m_p;
    if(pLast) 
    {
        pLast->Release(); 
        m_p = 0;
    }
}
 
template<typename T>
S3D_SYS_INLINE void s3d_CDrvDxCom<T>::operator=(T p) 
{ 
    if(p) 
        p->AddRef(); 
    T pLast = m_p;
    if(pLast)
        pLast->Release();
    m_p = p; 
}

template<typename T>
S3D_SYS_INLINE void s3d_CDrvDxCom<T>::operator=(const s3d_CDrvDxCom<T> &Com)
{
    T p = Com.m_p;
    if(p)
        p->AddRef();
    T pLast = m_p;
    if(pLast)
        pLast->Release();
    m_p = p;
}

template<typename T>
S3D_SYS_INLINE const T s3d_CDrvDxCom<T>::operator->() const 
{ 
    return m_p; 
}

template<typename T>
S3D_SYS_INLINE s3d_CDrvDxCom<T>::operator const T() const
{
    return m_p;
}

template<typename T>
S3D_SYS_INLINE T s3d_CDrvDxCom<T>::Get() const 
{ 
    return m_p; 
}

template<typename T>
S3D_SYS_INLINE T &s3d_CDrvDxCom<T>::EmptyRef()
{
    T pLast = m_p;
    if(pLast)
    {
        pLast->Release();
        m_p = 0;
    }
    return m_p;
}

///////////////////////////////////////////////////////////////////////////////


#endif