132 lines
4.7 KiB
C++
132 lines
4.7 KiB
C++
//===============================================================================
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// Copyright (c) 2007-2016 Advanced Micro Devices, Inc. All rights reserved.
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// Copyright (c) 2004-2006 ATI Technologies Inc.
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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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//
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// File Name: Codec_ATC.cpp
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// Description: implementation of the CCodec_ATC class
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//
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//////////////////////////////////////////////////////////////////////////////
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#pragma warning(disable:4100)
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#include "Common.h"
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#include "Codec_ATC_RGB.h"
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#include "Compressonator_tc.h"
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using namespace CMP;
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//////////////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////////////
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CCodec_ATC_RGB::CCodec_ATC_RGB() :
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CCodec_ATC(CT_ATC_RGB)
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{
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}
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CCodec_ATC_RGB::~CCodec_ATC_RGB()
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{
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}
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CCodecBuffer* CCodec_ATC_RGB::CreateBuffer(
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CMP_BYTE nBlockWidth, CMP_BYTE nBlockHeight, CMP_BYTE nBlockDepth,
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CMP_DWORD dwWidth, CMP_DWORD dwHeight, CMP_DWORD dwPitch, CMP_BYTE* pData,CMP_DWORD dwDataSize) const
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{
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return CreateCodecBuffer(CBT_4x4Block_4BPP, 4,4,1,dwWidth, dwHeight, dwPitch, pData,dwDataSize);
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}
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CodecError CCodec_ATC_RGB::Compress(CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc, DWORD_PTR pUser1, DWORD_PTR pUser2)
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{
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assert(bufferIn.GetWidth() == bufferOut.GetWidth());
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assert(bufferIn.GetHeight() == bufferOut.GetHeight());
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if(bufferIn.GetWidth() != bufferOut.GetWidth() || bufferIn.GetHeight() != bufferOut.GetHeight())
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return CE_Unknown;
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const CMP_DWORD dwBlocksX = ((bufferIn.GetWidth() + 3) >> 2);
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const CMP_DWORD dwBlocksY = ((bufferIn.GetHeight() + 3) >> 2);
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CMP_BYTE srcBlock[BLOCK_SIZE_4X4X4];
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CMP_DWORD compressedBlock[2];
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bufferIn.m_bSwizzle = false; // Processing RGBA_8888
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for(CMP_DWORD j = 0; j < dwBlocksY; j++)
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{
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for(CMP_DWORD i = 0; i < dwBlocksX; i++)
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{
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bufferIn.ReadBlockRGBA(i*4, j*4, 4, 4, srcBlock);
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CompressRGBBlock(srcBlock, compressedBlock);
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bufferOut.WriteBlock(i*4, j*4, compressedBlock, 2);
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}
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if(pFeedbackProc)
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{
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float fProgress = 100.f * (j * dwBlocksX) / (dwBlocksX * dwBlocksY);
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if(pFeedbackProc(fProgress, pUser1, pUser2))
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return CE_Aborted;
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}
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}
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return CE_OK;
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}
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CodecError CCodec_ATC_RGB::Decompress(CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc, DWORD_PTR pUser1, DWORD_PTR pUser2)
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{
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assert(bufferIn.GetWidth() == bufferOut.GetWidth());
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assert(bufferIn.GetHeight() == bufferOut.GetHeight());
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if(bufferIn.GetWidth() != bufferOut.GetWidth() || bufferIn.GetHeight() != bufferOut.GetHeight())
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return CE_Unknown;
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const CMP_DWORD dwBlocksX = ((bufferIn.GetWidth() + 3) >> 2);
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const CMP_DWORD dwBlocksY = ((bufferIn.GetHeight() + 3) >> 2);
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const CMP_DWORD dwBlocksXY = dwBlocksX*dwBlocksY;
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CMP_DWORD compressedBlock[2];
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CMP_BYTE destBlock[BLOCK_SIZE_4X4X4];
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memset(destBlock, 0xFF, BLOCK_SIZE_4X4X4);
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for(CMP_DWORD j = 0; j < dwBlocksY; j++)
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{
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for(CMP_DWORD i = 0; i < dwBlocksX; i++)
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{
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bufferIn.ReadBlock(i*4, j*4, compressedBlock, 2);
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DecompressRGBBlock(destBlock, compressedBlock);
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bufferOut.WriteBlockRGBA(i*4, j*4, 4, 4, destBlock);
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}
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if (pFeedbackProc)
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{
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float fProgress = 100.f * (j * dwBlocksX) / dwBlocksXY;
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if (pFeedbackProc(fProgress, pUser1, pUser2))
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{
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return CE_Aborted;
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}
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}
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}
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return CE_OK;
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}
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