65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
/*******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 David Williams and Matthew Williams
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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 all
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* 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 THE
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* SOFTWARE.
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*******************************************************************************/
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#ifndef __PolyVox_LowPassFilter_H__
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#define __PolyVox_LowPassFilter_H__
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#include "Impl/IteratorController.h"
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#include "Region.h"
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namespace PolyVox
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{
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/// This class is able to copy volume data from a source volume to a destination volume while performing low-pass filtering (blurring).
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template< typename SrcVolumeType, typename DstVolumeType, typename AccumulationType>
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class LowPassFilter
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{
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public:
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LowPassFilter(SrcVolumeType* pVolSrc, Region regSrc, DstVolumeType* pVolDst, Region regDst, uint32_t uKernelSize);
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/// Execute a standard approach to filtering which performs a number of neighbourhood look-ups per voxel.
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void execute();
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/// Execute a version with 'Summed Area Tables'. This should be faster for large kernel sizes but this hasn't really been confirmed yet.
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void executeSAT();
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private:
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//Source data
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SrcVolumeType* m_pVolSrc;
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Region m_regSrc;
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//Destination data
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DstVolumeType* m_pVolDst;
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Region m_regDst;
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//Kernel size
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uint32_t m_uKernelSize;
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};
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}//namespace PolyVox
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#include "LowPassFilter.inl"
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#endif //__PolyVox_LowPassFilter_H__
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