//===============================================================================
// Copyright (c) 2014-2024  Advanced Micro Devices, Inc. All rights reserved.
//===============================================================================
//
// 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 Name:   Codec_GT.h
//
//////////////////////////////////////////////////////////////////////////////

#ifndef _CODEC_APC_H_INCLUDED_
#define _CODEC_APC_H_INCLUDED_

#include <thread>

#include "apc_encode.h"
#include "apc_decode.h"
#include "codec_common.h"
#include "codec_dxtc.h"
#include "compressonator.h"

struct APCEncodeThreadParam
{
    APCBlockEncoder* encoder;
    // Max storage buffer for blocks size = 8x8x4
    CMP_BYTE          in[256];
    CMP_BYTE*         out;
    volatile CMP_BOOL run;
    volatile CMP_BOOL exit;
};

class CCodec_APC : public CCodec_DXTC
{
public:
    CCodec_APC();
    ~CCodec_APC();

    virtual bool SetParameter(const CMP_CHAR* pszParamName, CMP_CHAR* sValue);
    virtual bool SetParameter(const CMP_CHAR* /*pszParamName*/, CMP_DWORD /*dwValue*/);
    virtual bool SetParameter(const CMP_CHAR* /*pszParamName*/, CMP_FLOAT /*fValue*/);

    // Required interfaces
    virtual CodecError Compress(CCodecBuffer&       bufferIn,
                                CCodecBuffer&       bufferOut,
                                Codec_Feedback_Proc pFeedbackProc = NULL,
                                CMP_DWORD_PTR       pUser1        = NULL,
                                CMP_DWORD_PTR       pUser2        = NULL);
    virtual CodecError Compress_Fast(CCodecBuffer&       bufferIn,
                                     CCodecBuffer&       bufferOut,
                                     Codec_Feedback_Proc pFeedbackProc = NULL,
                                     CMP_DWORD_PTR       pUser1        = NULL,
                                     CMP_DWORD_PTR       pUser2        = NULL);
    virtual CodecError Compress_SuperFast(CCodecBuffer&       bufferIn,
                                          CCodecBuffer&       bufferOut,
                                          Codec_Feedback_Proc pFeedbackProc = NULL,
                                          CMP_DWORD_PTR       pUser1        = NULL,
                                          CMP_DWORD_PTR       pUser2        = NULL);
    virtual CodecError Decompress(CCodecBuffer&       bufferIn,
                                  CCodecBuffer&       bufferOut,
                                  Codec_Feedback_Proc pFeedbackProc = NULL,
                                  CMP_DWORD_PTR       pUser1        = NULL,
                                  CMP_DWORD_PTR       pUser2        = NULL);

private:
    APCEncodeThreadParam* m_EncodeParameterStorage;

    // APC Quality level
    float m_quality;

    // source block dimentions (typically 4x4x1)
    int m_xdim;
    int m_ydim;
    int m_zdim;

    // GT User configurable variables
    CMP_WORD m_NumThreads;

    // GT Internal status
    CMP_BOOL m_LibraryInitialized;
    CMP_BOOL m_Use_MultiThreading;
    CMP_WORD m_NumEncodingThreads;
    CMP_WORD m_LiveThreads;
    CMP_WORD m_LastThread;

    // APC Encoders and decoders: for encding use the interfaces below
    std::thread*     m_EncodingThreadHandle;
    APCBlockEncoder* m_encoder[128];
    APCBlockDecoder* m_decoder;

    // Encoder interfaces
    CodecError InitializeAPCLibrary();
    CodecError EncodeAPCBlock(CMP_BYTE* in,  //[MAX_SUBSET_SIZE][MAX_DIMENSION_BIG],
                              CMP_BYTE* out);
    CodecError FinishAPCEncoding(void);
};

#endif  // !defined(_CODEC_DXT5_H_INCLUDED_)
