244 lines
7.8 KiB
C++
244 lines
7.8 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: CodecBuffer_RGB888.cpp
|
|
// Description: implementation of the CCodecBuffer_RGB888 class
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "Common.h"
|
|
#include "CodecBuffer_RGB888.h"
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Construction/Destruction
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
const int nChannelCount = 3;
|
|
const int nPixelSize = nChannelCount * sizeof(CMP_BYTE);
|
|
|
|
CCodecBuffer_RGB888::CCodecBuffer_RGB888(
|
|
CMP_BYTE nBlockWidth, CMP_BYTE nBlockHeight, CMP_BYTE nBlockDepth,
|
|
CMP_DWORD dwWidth, CMP_DWORD dwHeight, CMP_DWORD dwPitch, CMP_BYTE* pData,CMP_DWORD dwDataSize)
|
|
: CCodecBuffer(nBlockWidth, nBlockHeight, nBlockDepth, dwWidth, dwHeight, dwPitch, pData,dwDataSize)
|
|
{
|
|
CMP_DWORD dwMinPitch = dwWidth * nPixelSize;
|
|
assert((m_dwPitch == 0) || (m_dwPitch >= dwMinPitch));
|
|
|
|
if(m_dwPitch < dwMinPitch)
|
|
m_dwPitch = dwMinPitch;
|
|
|
|
if(m_pData == NULL)
|
|
{
|
|
CMP_DWORD dwSize = m_dwPitch * GetHeight();
|
|
m_pData = (CMP_BYTE*) malloc(dwSize);
|
|
}
|
|
}
|
|
|
|
CCodecBuffer_RGB888::~CCodecBuffer_RGB888()
|
|
{
|
|
|
|
}
|
|
|
|
void CCodecBuffer_RGB888::Copy(CCodecBuffer& srcBuffer)
|
|
{
|
|
if(GetWidth() != srcBuffer.GetWidth() || GetHeight() != srcBuffer.GetHeight())
|
|
return;
|
|
|
|
const CMP_DWORD dwBlocksX = ((GetWidth() + 3) >> 2);
|
|
const CMP_DWORD dwBlocksY = ((GetHeight() + 3) >> 2);
|
|
|
|
for(CMP_DWORD j = 0; j < dwBlocksY; j++)
|
|
{
|
|
for(CMP_DWORD i = 0; i < dwBlocksX; i++)
|
|
{
|
|
CMP_BYTE block[BLOCK_SIZE_4X4X4];
|
|
srcBuffer.ReadBlockRGBA(i*4, j*4, 4, 4, block);
|
|
WriteBlockRGBA(i*4, j*4, 4, 4, block);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::ReadBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[], CMP_DWORD dwChannelOffset)
|
|
{
|
|
assert(x < GetWidth());
|
|
assert(y < GetHeight());
|
|
|
|
if(x >= GetWidth() || y >= GetHeight())
|
|
return false;
|
|
|
|
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
|
|
|
|
CMP_DWORD i, j;
|
|
for(j = 0; j < h && (y + j) < GetHeight(); j++)
|
|
{
|
|
CMP_BYTE* pSrcData = (CMP_BYTE*) (GetData() + ((y + j) * m_dwPitch) + (x * sizeof(nChannelCount))) + dwChannelOffset;
|
|
for(i = 0; i < dwWidth; i++)
|
|
{
|
|
block[(j * w) + i] = *pSrcData;
|
|
pSrcData += nChannelCount;
|
|
}
|
|
|
|
// Pad line with previous values if necessary
|
|
if(i < w)
|
|
PadLine(i, w, 1, &block[j * w]);
|
|
}
|
|
|
|
// Pad block with previous values if necessary
|
|
if(j < h)
|
|
PadBlock(j, w, h, 1, block);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::WriteBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[], CMP_DWORD dwChannelOffset)
|
|
{
|
|
assert(x < GetWidth());
|
|
assert(y < GetHeight());
|
|
|
|
if(x >= GetWidth() || y >= GetHeight())
|
|
return false;
|
|
|
|
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
|
|
|
|
for(CMP_DWORD j = 0; j < h && (y + j) < GetHeight(); j++)
|
|
{
|
|
CMP_BYTE* pDestData = (CMP_BYTE*) (GetData() + ((y + j) * m_dwPitch) + (x * sizeof(nChannelCount))) + dwChannelOffset;
|
|
for(CMP_DWORD i = 0; i < dwWidth; i++)
|
|
{
|
|
*pDestData++ = block[(j * w) + i];
|
|
pDestData += nChannelCount;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::ReadBlockA(CMP_DWORD /*x*/, CMP_DWORD /*y*/, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
memset(block, 255, w * h);
|
|
return true;
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::ReadBlockR(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
return ReadBlock(x, y, w, h, block, RGBA8888_OFFSET_R);
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::ReadBlockG(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
return ReadBlock(x, y, w, h, block, RGBA8888_OFFSET_G);
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::ReadBlockB(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
return ReadBlock(x, y, w, h, block, RGBA8888_OFFSET_B);
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::WriteBlockA(CMP_DWORD /*x*/, CMP_DWORD /*y*/, CMP_BYTE /*w*/, CMP_BYTE /*h*/, CMP_BYTE /*block*/[])
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::WriteBlockR(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
return WriteBlock(x, y, w, h, block, RGBA8888_OFFSET_R);
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::WriteBlockG(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
return WriteBlock(x, y, w, h, block, RGBA8888_OFFSET_G);
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::WriteBlockB(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
return WriteBlock(x, y, w, h, block, RGBA8888_OFFSET_B);
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::ReadBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
assert(x < GetWidth());
|
|
assert(y < GetHeight());
|
|
assert(x % w == 0);
|
|
assert(y % h == 0);
|
|
|
|
if(x >= GetWidth() || y >= GetHeight())
|
|
return false;
|
|
|
|
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
|
|
|
|
CMP_DWORD* pdwBlock = (CMP_DWORD*) block;
|
|
CMP_DWORD i, j;
|
|
for(j = 0; j < h && (y + j) < GetHeight(); j++)
|
|
{
|
|
CMP_BYTE* pSrcData = (CMP_BYTE*) ((GetData() + ((y + j) * m_dwPitch) + (x * nChannelCount)));
|
|
CMP_BYTE* pDestData = (CMP_BYTE*) &pdwBlock[(j * w)];
|
|
for(i = 0; i < dwWidth; i++)
|
|
{
|
|
*pDestData++ = *pSrcData++;
|
|
*pDestData++ = *pSrcData++;
|
|
*pDestData++ = *pSrcData++;
|
|
*pDestData++ = 0xff;
|
|
}
|
|
|
|
// Pad block with previous values if necessary
|
|
if(i < w)
|
|
PadLine(i, w, 4, (CMP_BYTE*) &pdwBlock[j * w]);
|
|
}
|
|
|
|
// Pad block with previous values if necessary
|
|
if(j < h)
|
|
PadBlock(j, w, h, 4, (CMP_BYTE*) pdwBlock);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CCodecBuffer_RGB888::WriteBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
|
|
{
|
|
assert(x < GetWidth());
|
|
assert(y < GetHeight());
|
|
assert(x % 4 == 0);
|
|
assert(y % 4 == 0);
|
|
|
|
if(x >= GetWidth() || y >= GetHeight())
|
|
return false;
|
|
|
|
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
|
|
CMP_DWORD* pdwBlock = (CMP_DWORD*) block;
|
|
|
|
for(CMP_DWORD j = 0; j < h && (y + j) < GetHeight(); j++)
|
|
{
|
|
CMP_BYTE* pSrcData = (CMP_BYTE*) &pdwBlock[(j * w)];
|
|
CMP_BYTE* pDestData = (CMP_BYTE*) (GetData() + ((y + j) * m_dwPitch) + (x * sizeof(nChannelCount)));
|
|
for(CMP_DWORD i = 0; i < dwWidth; i++)
|
|
{
|
|
*pDestData++ = *pSrcData++;
|
|
*pDestData++ = *pSrcData++;
|
|
*pDestData++ = *pSrcData++;
|
|
pSrcData++;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|