113 lines
4.4 KiB
C++
113 lines
4.4 KiB
C++
//===============================================================================
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// Copyright (c) 2014-2016 Advanced Micro Devices, Inc. All rights reserved.
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//===============================================================================
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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// File Name: Codec_BC7.cpp
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// Description: implementation of the CCodec_BC7 class
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef _CODEC_BC7_H_INCLUDED_
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#define _CODEC_BC7_H_INCLUDED_
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#include "compressonator.h"
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#include "codec_dxtc.h"
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#include "bc7_encode.h"
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#include "bc7_decode.h"
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#include "bc7_library.h"
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#include <thread>
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// #define USE_THREADED_CALLBACKS // This is experimental code to improve compression performance!
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#ifdef USE_THREADED_CALLBACKS
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typedef struct {
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float progress;
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bool abort;
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} CMP_PROGRESS_THREAD;
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#endif
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struct BC7EncodeThreadParam {
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BC7BlockEncoder *encoder;
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double in[MAX_SUBSET_SIZE][MAX_DIMENSION_BIG];
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CMP_BYTE *out;
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volatile CMP_BOOL run;
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volatile CMP_BOOL exit;
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};
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class CCodec_BC7 : public CCodec_DXTC {
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public:
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CCodec_BC7();
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~CCodec_BC7();
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virtual bool SetParameter(const CMP_CHAR* pszParamName, CMP_CHAR* sValue);
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virtual bool SetParameter(const CMP_CHAR* /*pszParamName*/, CMP_DWORD /*dwValue*/);
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virtual bool SetParameter(const CMP_CHAR* /*pszParamName*/, CODECFLOAT /*fValue*/);
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// Required interfaces
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virtual CodecError Compress (CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc = NULL, CMP_DWORD_PTR pUser1 = NULL, CMP_DWORD_PTR pUser2 = NULL);
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virtual CodecError Compress_Fast (CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc = NULL, CMP_DWORD_PTR pUser1 = NULL, CMP_DWORD_PTR pUser2 = NULL);
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virtual CodecError Compress_SuperFast (CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc = NULL, CMP_DWORD_PTR pUser1 = NULL, CMP_DWORD_PTR pUser2 = NULL);
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virtual CodecError Decompress (CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc = NULL, CMP_DWORD_PTR pUser1 = NULL, CMP_DWORD_PTR pUser2 = NULL);
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private:
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BC7EncodeThreadParam *m_EncodeParameterStorage;
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// BC7 User configurable variables
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CMP_DWORD m_ModeMask;
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double m_Quality;
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double m_Performance;
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CMP_BOOL m_ColourRestrict;
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CMP_BOOL m_AlphaRestrict;
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CMP_WORD m_NumThreads;
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CMP_BOOL m_ImageNeedsAlpha;
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// BC7 Internal status
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CMP_BOOL m_LibraryInitialized;
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CMP_BOOL m_Use_MultiThreading;
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CMP_INT m_NumEncodingThreads;
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CMP_WORD m_LiveThreads;
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CMP_WORD m_LastThread;
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// BC7 Encoders and decoders: for encding use the interfaces below
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std::thread* m_EncodingThreadHandle;
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BC7BlockEncoder* m_encoder[MAX_BC7_THREADS];
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BC7BlockDecoder* m_decoder;
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// Encoder interfaces
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CodecError InitializeBC7Library();
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CodecError EncodeBC7Block(double in[BC7_BLOCK_PIXELS][MAX_DIMENSION_BIG],CMP_BYTE *out);
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CodecError FinishBC7Encoding(void);
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static void Run();
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#ifdef USE_THREADED_CALLBACKS
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public:
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static CMP_PROGRESS_THREAD m_progress;
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static Codec_Feedback_Proc m_user_pFeedbackProc;
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static CMP_DWORD_PTR m_pUser1;
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static CMP_DWORD_PTR m_pUser2;
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#endif
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};
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#endif // !defined(_CODEC_DXT5_H_INCLUDED_)
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