/*
* Copyright (c) 2022, Intel Corporation
*
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* copy of this software and associated documentation files (the "Software"),
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* 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,
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* OTHER DEALINGS IN THE SOFTWARE.
*/
//!
//! \file     media_interfaces_mcpy_next.h
//! \brief    Gen-specific factory creation of the mcpy interfaces
//!

#ifndef __MEDIA_INTERFACES_MCPY_NEXT_H__
#define __MEDIA_INTERFACES_MCPY_NEXT_H__
#include "media_factory.h"

// forward declaration
class MediaCopyBaseState;
class MhwInterfacesNext;
//!
//! \class    McpyDevice
//! \brief    MCPY device
//!
class McpyDeviceNext
{
public:
    virtual ~McpyDeviceNext() {}

    //!
    //! \brief    Create Media memory copy instance
    //! \details  Entry point to create Gen specific media memory compression instance
    //! \param    [in] osDriverContext
    //!           OS context used by to initialize the MOS_INTERFACE, includes information necessary for resource management and interfacing with KMD in general
    //!
    //! \return   Pointer to Gen specific  mediacopy instance if
    //!           successful, otherwise return nullptr
    //!
    static void* CreateFactory(
        MOS_CONTEXT_HANDLE osDriverContext);

    //!
    //! \brief    Initializes platform specific Media copy states
    //! \param    [in] osInterface
    //!           OS interface
    //! \param    [in] mhwInterfaces
    //!           HW interfaces to be used by media copy
    //! \return   MOS_STATUS_SUCCESS if succeeded, else error code.
    //!
    virtual MOS_STATUS Initialize(
        PMOS_INTERFACE osInterface) = 0;

protected:
    //!
    //! \brief    Creat platform specific media copy HW interface
    //! \param    [in] osInterface
    //!           OS interface
    //! \return   MhwInterfaces if succeeded.
    //!
    virtual MhwInterfacesNext* CreateMhwInterface(
        PMOS_INTERFACE osInterface);

protected:
    MediaCopyBaseState *m_mcpyDevice = nullptr;  //!< Media copy state

    MEDIA_CLASS_DEFINE_END(McpyDeviceNext)
};

template <typename Mhw, typename Mcpy>
class McpyDeviceNext_T : public McpyDeviceNext
{
public:
    virtual MOS_STATUS Initialize(
        PMOS_INTERFACE     osInterface) override
    {
        Mcpy *device        = nullptr;
        Mhw  *mhwInterfaces = nullptr;

        auto deleterOnFailure = [&](bool deleteOsInterface, bool deleteMhwInterface) {
            if (deleteMhwInterface && mhwInterfaces != nullptr)
            {
                mhwInterfaces->Destroy();
                MOS_Delete(mhwInterfaces);
            }

            if (deleteOsInterface && osInterface != nullptr)
            {
                if (osInterface->pfnDestroy)
                {
                    osInterface->pfnDestroy(osInterface, false);
                }
                MOS_FreeMemory(osInterface);
            }

            MOS_Delete(device);
        };

        device = MOS_New(Mcpy);
        if (device == nullptr)
        {
            deleterOnFailure(true, false);
            return MOS_STATUS_NO_SPACE;
        }

        mhwInterfaces = CreateMhwInterface(osInterface);
        if (mhwInterfaces->m_miItf == nullptr ||
            mhwInterfaces->m_veboxItf == nullptr ||
            mhwInterfaces->m_bltItf == nullptr)
        {
            deleterOnFailure(true, true);
            return MOS_STATUS_NO_SPACE;
        }

        if (device->Initialize(
                osInterface, mhwInterfaces) != MOS_STATUS_SUCCESS)
        {
            deleterOnFailure(false, false);
            MOS_OS_CHK_STATUS_RETURN(MOS_STATUS_UNINITIALIZED);
        }

        m_mcpyDevice = device;
        return MOS_STATUS_SUCCESS;
    }
};

template <typename Mcpy>
using McpyDeviceNextImpl = McpyDeviceNext_T<MhwInterfacesNext, Mcpy>;

extern template class MediaFactory<uint32_t, McpyDeviceNext>;


#endif // __MEDIA_INTERFACES_MCPY_NEXT_H__

