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