264 lines
10 KiB
C++
264 lines
10 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: CodecBuffer_RGBA8888.cpp
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// Description: implementation of the CCodecBuffer_RGBA8888 class
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "common.h"
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#include "codecbuffer_rgba8888s.h"
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//////////////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////////////
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const int nChannelCount = 4;
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const int nPixelSize = nChannelCount * sizeof(CMP_BYTE);
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CCodecBuffer_RGBA8888S::CCodecBuffer_RGBA8888S(
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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_SBYTE* pData,CMP_DWORD dwDataSize)
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: CCodecBuffer(nBlockWidth, nBlockHeight, nBlockDepth, dwWidth, dwHeight, dwPitch, (CMP_BYTE *) pData, dwDataSize)
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{
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assert((m_dwPitch == 0) || (m_dwPitch >= GetWidth() * nPixelSize));
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if(m_dwPitch <= GetWidth() * nPixelSize)
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m_dwPitch = GetWidth() * nPixelSize;
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if(m_pData == NULL) {
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CMP_DWORD dwSize = m_dwPitch * GetHeight();
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m_pData = (CMP_BYTE*) malloc(dwSize);
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}
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}
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CCodecBuffer_RGBA8888S::~CCodecBuffer_RGBA8888S() {
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}
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void CCodecBuffer_RGBA8888S::Copy(CCodecBuffer& srcBuffer) {
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if(GetWidth() != srcBuffer.GetWidth() || GetHeight() != srcBuffer.GetHeight())
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return;
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const CMP_DWORD dwBlocksX = ((GetWidth() + 3) >> 2);
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const CMP_DWORD dwBlocksY = ((GetHeight() + 3) >> 2);
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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_SBYTE block[BLOCK_SIZE_4X4X4];
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srcBuffer.ReadBlockRGBA(i*4, j*4, 4, 4, block);
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WriteBlockRGBA(i*4, j*4, 4, 4, block);
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}
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}
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}
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bool CCodecBuffer_RGBA8888S::ReadBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[], CMP_DWORD dwChannelOffset) {
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assert(x < GetWidth());
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assert(y < GetHeight());
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if(x >= GetWidth() || y >= GetHeight())
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return false;
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CMP_DWORD dwWidth = cmp_minT(w, (GetWidth() - x));
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CMP_DWORD i, j;
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for(j = 0; j < h && (y + j) < GetHeight(); j++) {
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CMP_DWORD* pData = (CMP_DWORD*) (GetData() + ((y + j) * m_dwPitch) + (x * sizeof(CMP_DWORD)));
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for(i = 0; i < dwWidth; i++)
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block[(j * w) + i] = static_cast<CMP_SBYTE>(((*pData++) >> dwChannelOffset) & BYTE_MASK);
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// Pad line with previous values if necessary
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if(i < w)
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PadLine(i, w, 1, &block[j * w]);
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}
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// Pad block with previous values if necessary
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if(j < h)
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PadBlock(j, w, h, 1, block);
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return true;
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}
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bool CCodecBuffer_RGBA8888S::WriteBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[], CMP_DWORD dwChannelOffset) {
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assert(x < GetWidth());
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assert(y < GetHeight());
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if(x >= GetWidth() || y >= GetHeight())
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return false;
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CMP_DWORD dwChannelMask = ~((CMP_DWORD) BYTE_MASK << dwChannelOffset);
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CMP_DWORD dwWidth = cmp_minT(w, (GetWidth() - x));
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for(CMP_DWORD j = 0; j < h && (y + j) < GetHeight(); j++) {
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CMP_DWORD* pData = (CMP_DWORD*) (GetData() + ((y + j) * m_dwPitch) + (x * sizeof(CMP_DWORD)));
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for(CMP_DWORD i = 0; i < dwWidth; i++) {
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*pData = (*pData & dwChannelMask) | (((CMP_DWORD) block[(j * w) + i]) << dwChannelOffset);
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pData++;
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}
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}
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return true;
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}
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bool CCodecBuffer_RGBA8888S::ReadBlockA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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return ReadBlock(x, y, w, h, block, ATC_RGBA8888_OFFSET_A);
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}
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bool CCodecBuffer_RGBA8888S::ReadBlockR(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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return ReadBlock(x, y, w, h, block, ATC_RGBA8888_OFFSET_R);
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}
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bool CCodecBuffer_RGBA8888S::ReadBlockG(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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return ReadBlock(x, y, w, h, block, ATC_RGBA8888_OFFSET_G);
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}
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bool CCodecBuffer_RGBA8888S::ReadBlockB(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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return ReadBlock(x, y, w, h, block, ATC_RGBA8888_OFFSET_B);
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}
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bool CCodecBuffer_RGBA8888S::WriteBlockA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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return WriteBlock(x, y, w, h, block, ATC_RGBA8888_OFFSET_A);
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}
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bool CCodecBuffer_RGBA8888S::WriteBlockR(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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return WriteBlock(x, y, w, h, block, ATC_RGBA8888_OFFSET_R);
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}
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bool CCodecBuffer_RGBA8888S::WriteBlockG(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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return WriteBlock(x, y, w, h, block, ATC_RGBA8888_OFFSET_G);
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}
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bool CCodecBuffer_RGBA8888S::WriteBlockB(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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return WriteBlock(x, y, w, h, block, ATC_RGBA8888_OFFSET_B);
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}
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bool CCodecBuffer_RGBA8888S::ReadBlockRGBA(CMP_DWORD xw, CMP_DWORD yh, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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assert(xw < GetWidth());
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assert(yh < GetHeight());
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assert(xw % w == 0);
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assert(yh % h == 0);
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if (xw >= GetWidth() || yh >= GetHeight())
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return false;
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CMP_DWORD* pdwBlock = (CMP_DWORD*)block;
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if (w == 4 && h == 4 && (xw + w) <= GetWidth() && (yh + h) <= GetHeight()) {
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// Fastpath for the key case to alleviate the drag this code puts on the really fast DXTC
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CMP_DWORD* pData = (CMP_DWORD*)(GetData() + (yh * m_dwPitch) + (xw * sizeof(CMP_DWORD)));
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// The source is RGBA8888 and the codec reqiures a BGRA8888
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if (m_bSwizzle) {
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pdwBlock[0] = SWIZZLE_RGBA_BGRA(pData[0]);
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pdwBlock[1] = SWIZZLE_RGBA_BGRA(pData[1]);
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pdwBlock[2] = SWIZZLE_RGBA_BGRA(pData[2]);
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pdwBlock[3] = SWIZZLE_RGBA_BGRA(pData[3]);
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pData += (m_dwPitch >> 2);
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pdwBlock[4] = SWIZZLE_RGBA_BGRA(pData[0]);
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pdwBlock[5] = SWIZZLE_RGBA_BGRA(pData[1]);
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pdwBlock[6] = SWIZZLE_RGBA_BGRA(pData[2]);
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pdwBlock[7] = SWIZZLE_RGBA_BGRA(pData[3]);
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pData += (m_dwPitch >> 2);
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pdwBlock[8] = SWIZZLE_RGBA_BGRA(pData[0]);
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pdwBlock[9] = SWIZZLE_RGBA_BGRA(pData[1]);
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pdwBlock[10] = SWIZZLE_RGBA_BGRA(pData[2]);
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pdwBlock[11] = SWIZZLE_RGBA_BGRA(pData[3]);
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pData += (m_dwPitch >> 2);
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pdwBlock[12] = SWIZZLE_RGBA_BGRA(pData[0]);
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pdwBlock[13] = SWIZZLE_RGBA_BGRA(pData[1]);
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pdwBlock[14] = SWIZZLE_RGBA_BGRA(pData[2]);
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pdwBlock[15] = SWIZZLE_RGBA_BGRA(pData[3]);
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} else {
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pdwBlock[0] = pData[0];
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pdwBlock[1] = pData[1];
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pdwBlock[2] = pData[2];
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pdwBlock[3] = pData[3];
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pData += (m_dwPitch >> 2);
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pdwBlock[4] = pData[0];
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pdwBlock[5] = pData[1];
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pdwBlock[6] = pData[2];
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pdwBlock[7] = pData[3];
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pData += (m_dwPitch >> 2);
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pdwBlock[8] = pData[0];
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pdwBlock[9] = pData[1];
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pdwBlock[10] = pData[2];
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pdwBlock[11] = pData[3];
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pData += (m_dwPitch >> 2);
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pdwBlock[12] = pData[0];
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pdwBlock[13] = pData[1];
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pdwBlock[14] = pData[2];
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pdwBlock[15] = pData[3];
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}
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} else {
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CMP_DWORD minWidth = cmp_minT(w, (GetWidth() - xw));
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CMP_DWORD srcOffset;
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CMP_DWORD iw, jh;
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CMP_BYTE *srcData = GetData();
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CMP_DWORD *pdwData;
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for (jh = 0; jh < h && (yh + jh) < GetHeight(); jh++) {
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srcOffset = ((yh + jh) * m_dwPitch) + (xw * 4);
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pdwData = (CMP_DWORD*)(srcData + srcOffset);
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if (m_bSwizzle) {
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for (iw = 0; iw < minWidth; iw++) {
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pdwBlock[(jh * w) + iw] = SWIZZLE_RGBA_BGRA(pdwData[iw]);
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}
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} else {
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for (iw = 0; iw < minWidth; iw++) {
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pdwBlock[(jh * w) + iw] = pdwData[iw];
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}
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}
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// Pad block with previous values if necessary
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if (iw < w)
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PadLine(iw, w, 4, (CMP_BYTE*)&pdwBlock[jh * w]);
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}
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// Pad block with previous values if necessary
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if (jh < h)
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PadBlock(jh, w, h, 4, (CMP_BYTE*)pdwBlock);
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}
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return true;
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}
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bool CCodecBuffer_RGBA8888S::WriteBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_SBYTE block[]) {
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assert(x < GetWidth());
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assert(y < GetHeight());
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assert(x % 4 == 0);
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assert(y % 4 == 0);
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if(x >= GetWidth() || y >= GetHeight())
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return false;
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CMP_DWORD dwWidth = cmp_minT(w, (GetWidth() - x));
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CMP_DWORD* pdwBlock = (CMP_DWORD*) block;
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for(CMP_DWORD j = 0; j < h && (y + j) < GetHeight(); j++) {
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CMP_DWORD* pData = (CMP_DWORD*) (GetData() + ((y + j) * m_dwPitch) + (x * sizeof(CMP_DWORD)));
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for(CMP_DWORD i = 0; i < dwWidth; i++)
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*pData++ = pdwBlock[(j * w) + i];
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}
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return true;
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}
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