/*
* Copyright (c) 2018-2020, Intel Corporation
*
* 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 OR COPYRIGHT HOLDERS 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.
*/
//!
//! \file     vp_resource_manager.h
//! \brief    The header file of the base class of vp resource manager
//! \details  all the vp resources will be traced here for usages using intermeida 
//!           surfaces.
//!
#ifndef _VP_RESOURCE_MANAGER_H__
#define _VP_RESOURCE_MANAGER_H__

#include <map>
#include "vp_allocator.h"
#include "vp_pipeline_common.h"
#include "vp_utils.h"

#define VP_MAX_NUM_VEBOX_SURFACES     4                                       //!< Vebox output surface creation, also can be reuse for DI usage:
                                                                              //!< for DI: 2 for ADI plus additional 2 for parallel execution
#define VP_NUM_DN_SURFACES           2                                       //!< Number of DN output surfaces
#define VP_NUM_STMM_SURFACES         2                                       //!< Number of STMM statistics surfaces
#define VP_DNDI_BUFFERS_MAX          4                                       //!< Max DNDI buffers
#define VP_NUM_KERNEL_VEBOX          8                                       //!< Max kernels called at Adv stage

#define VP_VEBOX_PER_BLOCK_STATISTICS_SIZE   16
#define VP_VEBOX_FMD_HISTORY_SIZE            (144 * sizeof(uint32_t))

#define VP_NUM_ACE_STATISTICS_HISTOGRAM      256
#define VP_NUM_STD_STATISTICS                2

#ifndef VEBOX_AUTO_DENOISE_SUPPORTED
#define VEBOX_AUTO_DENOISE_SUPPORTED    1
#endif


#define IS_VP_VEBOX_DN_ONLY(_a) (_a.bDN &&          \
                               !(_a.bDI) &&   \
                               !(_a.bQueryVariance) && \
                               !(_a.bIECP) && \
                               !(_a.bHDR3DLUT))

namespace vp {
    struct VEBOX_SPATIAL_ATTRIBUTES_CONFIGURATION
    {
        // DWORD 0
        union
        {
            // RangeThrStart0
            struct
            {
                uint32_t       RangeThrStart0;
            };

            uint32_t       Value;
        } DW00;

        // DWORD 1
        union
        {
            // RangeThrStart1
            struct
            {
                uint32_t       RangeThrStart1;
            };

            uint32_t       Value;
        } DW01;

        // DWORD 2
        union
        {
            // RangeThrStart2
            struct
            {
                uint32_t       RangeThrStart2;
            };

            uint32_t   Value;
        } DW02;

        // DWORD 3
        union
        {
            // RangeThrStart3
            struct
            {
                uint32_t       RangeThrStart3;
            };

            uint32_t   Value;
        } DW03;

        // DWORD 4
        union
        {
            // RangeThrStart4
            struct
            {
                uint32_t       RangeThrStart4;
            };

            uint32_t   Value;
        } DW04;

        // DWORD 5
        union
        {
            // RangeThrStart5
            struct
            {
                uint32_t       RangeThrStart5;
            };

            uint32_t   Value;
        } DW05;

        // DWORD 6
        union
        {
            // Reserved
            struct
            {
                uint32_t       Reserved;
            };

            uint32_t   Value;
        } DW06;

        // DWORD 7
        union
        {
            // Reserved
            struct
            {
                uint32_t       Reserved;
            };

            uint32_t   Value;
        } DW07;

        // DWORD 8
        union
        {
            // RangeWgt0
            struct
            {
                uint32_t       RangeWgt0;
            };

            uint32_t   Value;
        } DW08;

        // DWORD 9
        union
        {
            // RangeWgt1
            struct
            {
                uint32_t       RangeWgt1;
            };

            uint32_t   Value;
        } DW09;

        // DWORD 10
        union
        {
            // RangeWgt2
            struct
            {
                uint32_t       RangeWgt2;
            };

            uint32_t   Value;
        } DW10;

        // DWORD 11
        union
        {
            // RangeWgt3
            struct
            {
                uint32_t       RangeWgt3;
            };

            uint32_t   Value;
        } DW11;

        // DWORD 12
        union
        {
            // RangeWgt4
            struct
            {
                uint32_t       RangeWgt4;
            };

            uint32_t   Value;
        } DW12;

        // DWORD 13
        union
        {
            // RangeWgt5
            struct
            {
                uint32_t       RangeWgt5;
            };

            uint32_t   Value;
        } DW13;

        // DWORD 14
        union
        {
            // Reserved
            struct
            {
                uint32_t       Reserved;
            };

            uint32_t   Value;
        } DW14;

        // DWORD 15
        union
        {
            // Reserved
            struct
            {
                uint32_t       Reserved;
            };

            uint32_t   Value;
        } DW15;

        // DWORD 16 - 41: DistWgt[5][5]
        uint32_t DistWgt[5][5];

        // Padding for 32-byte alignment, VEBOX_SPATIAL_ATTRIBUTES_CONFIGURATION_G9 is 7 uint32_ts
        uint32_t dwPad[7];
    };

enum VEBOX_SURFACE_ID
{
    VEBOX_SURFACE_NULL = 0,
    VEBOX_SURFACE_INPUT,
    VEBOX_SURFACE_OUTPUT,
    VEBOX_SURFACE_PAST_REF,
    VEBOX_SURFACE_FUTURE_REF,
    VEBOX_SURFACE_FRAME0,
    VEBOX_SURFACE_FRAME1,
    VEBOX_SURFACE_FRAME2,
    VEBOX_SURFACE_FRAME3,
};

struct VEBOX_SURFACES
{
    VEBOX_SURFACE_ID currentInputSurface;
    VEBOX_SURFACE_ID pastInputSurface;
    VEBOX_SURFACE_ID currentOutputSurface;
    VEBOX_SURFACE_ID pastOutputSurface;

    VEBOX_SURFACES(VEBOX_SURFACE_ID _currentInputSurface, VEBOX_SURFACE_ID _pastInputSurface, VEBOX_SURFACE_ID _currentOutputSurface, VEBOX_SURFACE_ID _pastOutputSurface)
        : currentInputSurface(_currentInputSurface), pastInputSurface(_pastInputSurface), currentOutputSurface(_currentOutputSurface), pastOutputSurface(_pastOutputSurface)
    {}
};

inline uint32_t BoolToInt(bool b)
{
    return ((b) ? 1 : 0);
}

union VEBOX_SURFACES_CONFIG
{
    struct
    {
        uint32_t b64DI              : 1;
        uint32_t sfcEnable          : 1;
        uint32_t sameSample         : 1;
        uint32_t outOfBound         : 1;
        uint32_t pastFrameAvailable    : 1;
        uint32_t futureFrameAvailable    : 1;
        uint32_t firstDiField       : 1;
        uint32_t reserved           : 25;
    };
    uint32_t value;
    VEBOX_SURFACES_CONFIG() : value(0)
    {}
    VEBOX_SURFACES_CONFIG(bool _b64DI, bool _sfcEnable, bool _sameSample, bool _outOfBound, bool _pastFrameAvailable, bool _futureFrameAvailable, bool _firstDiField) :
        b64DI(BoolToInt(_b64DI)), sfcEnable(BoolToInt(_sfcEnable)), sameSample(BoolToInt(_sameSample)), outOfBound(BoolToInt(_outOfBound)),
        pastFrameAvailable(BoolToInt(_pastFrameAvailable)), futureFrameAvailable(BoolToInt(_futureFrameAvailable)), firstDiField(BoolToInt(_firstDiField)), reserved(0)
    {}
};

typedef std::map<uint32_t, VEBOX_SURFACES> VEBOX_SURFACE_CONFIG_MAP;

struct VP_FRAME_IDS
{
    bool        valid;
    bool        diEnabled;
    int32_t     currentFrameId;
    bool        pastFrameAvailable;
    bool        futureFrameAvailable;
    int32_t     pastFrameId;
    int32_t     futureFrameId;
};

class VpResourceManager
{
public:
    VpResourceManager(MOS_INTERFACE &osInterface, VpAllocator &allocator, VphalFeatureReport &reporting);
    virtual ~VpResourceManager();
    MOS_STATUS StartProcessNewFrame(SwFilterPipe &pipe);
    MOS_STATUS AssignExecuteResource(VP_EXECUTE_CAPS& caps, VP_SURFACE *inputSurface, VP_SURFACE *outputSurface, VP_SURFACE *pastSurface, VP_SURFACE *futureSurface,
        RESOURCE_ASSIGNMENT_HINT resHint, VP_SURFACE_GROUP &surfGroup);
    virtual MOS_STATUS AssignVeboxResource(VP_EXECUTE_CAPS& caps, VP_SURFACE *inputSurface, VP_SURFACE *outputSurface, VP_SURFACE *pastSurface, VP_SURFACE *futureSurface,
        RESOURCE_ASSIGNMENT_HINT resHint, VP_SURFACE_GROUP &surfGroup);
    bool IsSameSamples()
    {
        return m_sameSamples;
    }

    bool IsRefValid()
    {
        return m_currentFrameIds.pastFrameAvailable || m_currentFrameIds.futureFrameAvailable;
    }

protected:
    VP_SURFACE* GetVeboxOutputSurface(VP_EXECUTE_CAPS& caps, VP_SURFACE *outputSurface);
    MOS_STATUS InitVeboxSpatialAttributesConfiguration();
    MOS_STATUS AllocateVeboxResource(VP_EXECUTE_CAPS& caps, VP_SURFACE *inputSurface, VP_SURFACE *outputSurface);
    MOS_STATUS AssignSurface(VEBOX_SURFACE_ID &surfaceId, SurfaceType surfaceType, VP_SURFACE *inputSurface, VP_SURFACE *outputSurface, VP_SURFACE *pastRefSurface, VP_SURFACE *futureRefSurface, VP_SURFACE_GROUP &surfGroup);
    bool VeboxOutputNeeded(VP_EXECUTE_CAPS& caps);
    bool VeboxDenoiseOutputNeeded(VP_EXECUTE_CAPS& caps);
    // In some case, STMM should not be destroyed but not be used by current workload to maintain data,
    // e.g. DI second field case.
    // If queryAssignment == true, query whether STMM needed by current workload.
    // If queryAssignment == false, query whether STMM needed to be allocated.
    bool VeboxSTMMNeeded(VP_EXECUTE_CAPS& caps, bool queryAssignment);
    virtual uint32_t GetHistogramSurfaceSize(VP_EXECUTE_CAPS& caps, uint32_t inputWidth, uint32_t inputHeight);
    virtual uint32_t Get3DLutSize();
    MOS_STATUS ReAllocateVeboxOutputSurface(VP_EXECUTE_CAPS& caps, VP_SURFACE *inputSurface, VP_SURFACE *outputSurface, bool &allocated);
    MOS_STATUS ReAllocateVeboxDenoiseOutputSurface(VP_EXECUTE_CAPS& caps, VP_SURFACE *inputSurface, bool &allocated);
    MOS_STATUS ReAllocateVeboxSTMMSurface(VP_EXECUTE_CAPS& caps, VP_SURFACE *inputSurface, bool &allocated);
    void DestoryVeboxOutputSurface();
    void DestoryVeboxDenoiseOutputSurface();
    void DestoryVeboxSTMMSurface();

    //!
    //! \brief    Vebox initialize STMM History
    //! \details  Initialize STMM History surface
    //! Description:
    //!   This function is used by VEBox for initializing
    //!   the STMM surface.  The STMM / Denoise history is a custom surface used 
    //!   for both input and output. Each cache line contains data for 4 4x4s. 
    //!   The STMM for each 4x4 is 8 bytes, while the denoise history is 1 byte 
    //!   and the chroma denoise history is 1 byte for each U and V.
    //!   Byte    Data\n
    //!   0       STMM for 2 luma values at luma Y=0, X=0 to 1\n
    //!   1       STMM for 2 luma values at luma Y=0, X=2 to 3\n
    //!   2       Luma Denoise History for 4x4 at 0,0\n
    //!   3       Not Used\n
    //!   4-5     STMM for luma from X=4 to 7\n
    //!   6       Luma Denoise History for 4x4 at 0,4\n
    //!   7       Not Used\n
    //!   8-15    Repeat for 4x4s at 0,8 and 0,12\n
    //!   16      STMM for 2 luma values at luma Y=1,X=0 to 1\n
    //!   17      STMM for 2 luma values at luma Y=1, X=2 to 3\n
    //!   18      U Chroma Denoise History\n
    //!   19      Not Used\n
    //!   20-31   Repeat for 3 4x4s at 1,4, 1,8 and 1,12\n
    //!   32      STMM for 2 luma values at luma Y=2,X=0 to 1\n
    //!   33      STMM for 2 luma values at luma Y=2, X=2 to 3\n
    //!   34      V Chroma Denoise History\n
    //!   35      Not Used\n
    //!   36-47   Repeat for 3 4x4s at 2,4, 2,8 and 2,12\n
    //!   48      STMM for 2 luma values at luma Y=3,X=0 to 1\n
    //!   49      STMM for 2 luma values at luma Y=3, X=2 to 3\n
    //!   50-51   Not Used\n
    //!   36-47   Repeat for 3 4x4s at 3,4, 3,8 and 3,12\n
    //! \param    [in] stmmSurface
    //!           STMM surface
    //! \return   MOS_STATUS
    //!           Return MOS_STATUS_SUCCESS if successful, otherwise failed
    //!
    MOS_STATUS VeboxInitSTMMHistory(MOS_SURFACE *stmmSurface);

    void InitSurfaceConfigMap();
    void AddSurfaceConfig(bool _b64DI, bool _sfcEnable, bool _sameSample, bool _outOfBound, bool _pastRefAvailable, bool _futureRefAvailable, bool _firstDiField,
        VEBOX_SURFACE_ID _currentInputSurface, VEBOX_SURFACE_ID _pastInputSurface, VEBOX_SURFACE_ID _currentOutputSurface, VEBOX_SURFACE_ID _pastOutputSurface)
    {
        m_veboxSurfaceConfigMap.insert(std::make_pair(VEBOX_SURFACES_CONFIG(_b64DI, _sfcEnable, _sameSample, _outOfBound, _pastRefAvailable, _futureRefAvailable, _firstDiField).value, VEBOX_SURFACES(_currentInputSurface, _pastInputSurface, _currentOutputSurface, _pastOutputSurface)));
    }

protected:
    MOS_INTERFACE                &m_osInterface;
    VpAllocator                  &m_allocator;
    VphalFeatureReport           &m_reporting;

    // Vebox Resource
    VP_SURFACE* m_veboxDenoiseOutput[VP_NUM_DN_SURFACES] = {};            //!< Vebox Denoise output surface
    VP_SURFACE* m_veboxOutput[VP_MAX_NUM_VEBOX_SURFACES] = {};            //!< Vebox output surface, can be reuse for DI usages
    VP_SURFACE* m_veboxSTMMSurface[VP_NUM_STMM_SURFACES] = {};            //!< Vebox STMM input/output surface
    VP_SURFACE *m_veboxStatisticsSurface                 = nullptr;       //!< Statistics Surface for VEBOX
    VP_SURFACE *m_veboxRgbHistogram                      = nullptr;       //!< RGB Histogram surface for Vebox
    VP_SURFACE *m_veboxDNTempSurface                     = nullptr;       //!< Vebox DN Update kernels temp surface
    VP_SURFACE *m_veboxDNSpatialConfigSurface            = nullptr;       //!< Spatial Attributes Configuration Surface for DN kernel
    VP_SURFACE *m_vebox3DLookUpTables                    = nullptr;
    uint32_t    m_currentDnOutput                        = 0;
    uint32_t    m_currentStmmIndex                       = 0;
    uint32_t    m_veboxOutputCount                       = 2;             //!< PE on: 4 used. PE off: 2 used
    VP_FRAME_IDS m_currentFrameIds                       = {};
    VP_FRAME_IDS m_pastFrameIds                          = {};
    bool         m_firstFrame                            = true;
    bool         m_sameSamples                           = false;
    bool         m_outOfBound                            = false;
    RECT         m_maxSrcRect                            = {};
    VEBOX_SURFACE_CONFIG_MAP m_veboxSurfaceConfigMap;
};
}
#endif // _VP_RESOURCE_MANAGER_H__