102 lines
4.6 KiB
C++
102 lines
4.6 KiB
C++
/*
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Copyright (c) 2013 Khaled Mammou - Advanced Micro Devices, Inc.
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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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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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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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#pragma once
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#ifndef O3DGC_TRIANGLE_LIST_ENCODER_H
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#define O3DGC_TRIANGLE_LIST_ENCODER_H
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#include "o3dgcCommon.h"
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#include "o3dgcAdjacencyInfo.h"
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#include "o3dgcBinaryStream.h"
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#include "o3dgcFIFO.h"
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#include "o3dgcTriangleFans.h"
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namespace o3dgc
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{
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//!
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template <class T>
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class TriangleListEncoder
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{
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public:
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//! Constructor.
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TriangleListEncoder(void);
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//! Destructor.
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~TriangleListEncoder(void);
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//!
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O3DGCErrorCode Encode(const T * const triangles,
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const unsigned long * const indexBufferIDs,
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const long numTriangles,
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const long numVertices,
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BinaryStream & bstream);
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O3DGCStreamType GetStreamType() const { return m_streamType; }
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void SetStreamType(O3DGCStreamType streamType) { m_streamType = streamType; }
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const long * const GetInvVMap() const { return m_invVMap;}
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const long * const GetInvTMap() const { return m_invTMap;}
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const long * const GetVMap() const { return m_vmap;}
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const long * const GetTMap() const { return m_tmap;}
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const AdjacencyInfo & GetVertexToTriangle() const { return m_vertexToTriangle;}
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private:
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O3DGCErrorCode Init(const T * const triangles,
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long numTriangles,
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long numVertices);
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O3DGCErrorCode CompueLocalConnectivityInfo(const long focusVertex);
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O3DGCErrorCode ProcessVertex( long focusVertex);
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O3DGCErrorCode ComputeTFANDecomposition(const long focusVertex);
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O3DGCErrorCode CompressTFAN(const long focusVertex);
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long m_vertexCount;
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long m_triangleCount;
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long m_maxNumVertices;
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long m_maxNumTriangles;
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long m_numNonConqueredTriangles;
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long m_numConqueredTriangles;
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long m_numVisitedVertices;
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long m_numTriangles;
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long m_numVertices;
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long m_maxSizeVertexToTriangle;
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T const * m_triangles;
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long * m_vtags;
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long * m_ttags;
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long * m_vmap;
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long * m_invVMap;
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long * m_tmap;
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long * m_invTMap;
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long * m_count;
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long * m_nonConqueredTriangles;
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long * m_nonConqueredEdges;
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long * m_visitedVertices;
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long * m_visitedVerticesValence;
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FIFO<long> m_vfifo;
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AdjacencyInfo m_vertexToTriangle;
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AdjacencyInfo m_triangleToTriangle;
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AdjacencyInfo m_triangleToTriangleInv;
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TriangleFans m_tfans;
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CompressedTriangleFans m_ctfans;
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O3DGCStreamType m_streamType;
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};
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}
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#include "o3dgcTriangleListEncoder.inl" // template implementation
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#endif // O3DGC_TRIANGLE_LIST_ENCODER_H
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