59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
//=====================================================================
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// Copyright 2018 (c), Advanced Micro Devices, Inc. All rights reserved.
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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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#ifndef _HPC_COMPRESS_H
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#define _HPC_COMPRESS_H
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template <typename T> void PadBlock(CMP_DWORD j, CMP_BYTE w, CMP_BYTE h, CMP_BYTE c, T block[])
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{
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// So who do we perform generic padding ?
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// In powers of two
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CMP_DWORD dwPadHeight = h - j;
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if (dwPadHeight > j)
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{
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PadBlock(j, w, h >> 1, c, block);
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j = h >> 1;
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dwPadHeight = h - j;
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}
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memcpy(&block[j*w*c], &block[0], dwPadHeight * w * c * sizeof(T));
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}
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template <typename T> void PadLine(CMP_DWORD i, CMP_BYTE w, CMP_BYTE c, T block[])
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{
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// So who do we perform generic padding ?
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// In powers of two
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CMP_DWORD dwPadWidth = w - i;
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if (dwPadWidth > i)
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{
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PadLine(i, w >> 1, c, block);
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i = w >> 1;
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dwPadWidth = w - i;
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}
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memcpy(&block[i*c], &block[0], dwPadWidth * c * sizeof(T));
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}
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#endif
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