191 lines
7.9 KiB
C++
191 lines
7.9 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_DXT3.cpp
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// Description: implementation of the CCodec_DXT3 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_dxt3.h"
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#ifdef TEST_CMP_CORE_DECODER
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#include "cmp_core.h"
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#endif
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//////////////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////////////
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CCodec_DXT3::CCodec_DXT3() :
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CCodec_DXTC(CT_DXT3) {
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}
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CCodec_DXT3::~CCodec_DXT3() {
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}
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CodecError CCodec_DXT3::Compress(CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc, CMP_DWORD_PTR pUser1, CMP_DWORD_PTR pUser2) {
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#ifndef _WIN64 //todo: add sse2 feature for win64
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if(m_nCompressionSpeed == CMP_Speed_SuperFast && m_bUseSSE2)
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return Compress_SuperFast(bufferIn, bufferOut, pFeedbackProc, pUser1, pUser2);
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else if((m_nCompressionSpeed == CMP_Speed_Fast || m_nCompressionSpeed == CMP_Speed_SuperFast) && m_bUseSSE)
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return Compress_Fast(bufferIn, bufferOut, pFeedbackProc, pUser1, pUser2);
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#endif
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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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bool bUseFixed = (!bufferIn.IsFloat() && bufferIn.GetChannelDepth() == 8 && !m_bUseFloat);
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for(CMP_DWORD j = 0; j < dwBlocksY; j++) {
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for(CMP_DWORD i = 0; i < dwBlocksX; i++) {
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CMP_DWORD compressedBlock[4];
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if(bUseFixed) {
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CMP_BYTE srcBlock[BLOCK_SIZE_4X4X4];
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bufferIn.ReadBlockRGBA(i*4, j*4, 4, 4, srcBlock);
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CompressRGBABlock_ExplicitAlpha(srcBlock, compressedBlock, CalculateColourWeightings(srcBlock));
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} else {
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float srcBlock[BLOCK_SIZE_4X4X4];
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bufferIn.ReadBlockRGBA(i*4, j*4, 4, 4, srcBlock);
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CompressRGBABlock_ExplicitAlpha(srcBlock, compressedBlock, CalculateColourWeightings(srcBlock));
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}
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bufferOut.WriteBlock(i*4, j*4, compressedBlock, 4);
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}
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if(pFeedbackProc) {
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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_DXT3::Compress_Fast(CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc, CMP_DWORD_PTR pUser1, CMP_DWORD_PTR pUser2) {
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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_DWORD compressedBlock[4];
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CMP_BYTE srcBlock[BLOCK_SIZE_4X4X4];
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for(CMP_DWORD j = 0; j < dwBlocksY; j++) {
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for(CMP_DWORD i = 0; i < dwBlocksX; i++) {
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bufferIn.ReadBlockRGBA(i*4, j*4, 4, 4, srcBlock);
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CompressRGBABlock_ExplicitAlpha_Fast(srcBlock, compressedBlock);
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bufferOut.WriteBlock(i*4, j*4, compressedBlock, 4);
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}
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if(pFeedbackProc) {
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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_DXT3::Compress_SuperFast(CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc, CMP_DWORD_PTR pUser1, CMP_DWORD_PTR pUser2) {
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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_DWORD compressedBlock[4];
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CMP_BYTE srcBlock[BLOCK_SIZE_4X4X4];
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for(CMP_DWORD j = 0; j < dwBlocksY; j++) {
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for(CMP_DWORD i = 0; i < dwBlocksX; i++) {
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bufferIn.ReadBlockRGBA(i*4, j*4, 4, 4, srcBlock);
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CompressRGBABlock_ExplicitAlpha_SuperFast(srcBlock, compressedBlock);
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bufferOut.WriteBlock(i*4, j*4, compressedBlock, 4);
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}
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if(pFeedbackProc) {
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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_DXT3::Decompress(CCodecBuffer& bufferIn, CCodecBuffer& bufferOut, Codec_Feedback_Proc pFeedbackProc, CMP_DWORD_PTR pUser1, CMP_DWORD_PTR pUser2) {
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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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bool bUseFixed = (!bufferOut.IsFloat() && bufferOut.GetChannelDepth() == 8 && !m_bUseFloat);
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for(CMP_DWORD j = 0; j < dwBlocksY; j++) {
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for(CMP_DWORD i = 0; i < dwBlocksX; i++) {
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CMP_DWORD compressedBlock[4];
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bufferIn.ReadBlock(i*4, j*4, compressedBlock, 4);
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if(bUseFixed) {
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CMP_BYTE destBlock[BLOCK_SIZE_4X4X4];
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#ifdef TEST_CMP_CORE_DECODER
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DecompressBlockBC2((CMP_BYTE *)compressedBlock,destBlock);
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#else
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DecompressRGBABlock_ExplicitAlpha(destBlock, compressedBlock);
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#endif
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bufferOut.WriteBlockRGBA(i*4, j*4, 4, 4, destBlock);
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} else {
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float destBlock[BLOCK_SIZE_4X4X4];
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DecompressRGBABlock_ExplicitAlpha(destBlock, compressedBlock);
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bufferOut.WriteBlockRGBA(i*4, j*4, 4, 4, destBlock);
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}
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}
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if (pFeedbackProc) {
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float fProgress = 100.f * (j * dwBlocksX) / dwBlocksXY;
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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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}
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return CE_OK;
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}
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