| /* |
| Copyright (c) 2013 Khaled Mammou - Advanced Micro Devices, 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. |
| */ |
| |
| #pragma once |
| #ifndef O3DGC_TRIANGLE_LIST_DECODER_H |
| #define O3DGC_TRIANGLE_LIST_DECODER_H |
| |
| #include "o3dgcCommon.h" |
| #include "o3dgcTriangleFans.h" |
| #include "o3dgcBinaryStream.h" |
| #include "o3dgcAdjacencyInfo.h" |
| |
| namespace o3dgc |
| { |
| |
| //! |
| template <class T> |
| class TriangleListDecoder |
| { |
| public: |
| //! Constructor. |
| TriangleListDecoder(void) |
| { |
| m_vertexCount = 0; |
| m_triangleCount = 0; |
| m_numTriangles = 0; |
| m_numVertices = 0; |
| m_triangles = 0; |
| m_numConqueredTriangles = 0; |
| m_numVisitedVertices = 0; |
| m_visitedVertices = 0; |
| m_visitedVerticesValence = 0; |
| m_maxNumVertices = 0; |
| m_maxNumTriangles = 0; |
| m_itNumTFans = 0; |
| m_itDegree = 0; |
| m_itConfig = 0; |
| m_itOperation = 0; |
| m_itIndex = 0; |
| m_tempTriangles = 0; |
| m_tempTrianglesSize = 0; |
| m_decodeTrianglesOrder = false; |
| m_decodeVerticesOrder = false; |
| }; |
| //! Destructor. |
| ~TriangleListDecoder(void) |
| { |
| delete [] m_tempTriangles; |
| }; |
| |
| O3DGCStreamType GetStreamType() const { return m_streamType; } |
| bool GetReorderTriangles() const { return m_decodeTrianglesOrder; } |
| bool GetReorderVertices() const { return m_decodeVerticesOrder; } |
| void SetStreamType(O3DGCStreamType streamType) { m_streamType = streamType; } |
| const AdjacencyInfo & GetVertexToTriangle() const { return m_vertexToTriangle;} |
| O3DGCErrorCode Decode(T * const triangles, |
| const long numTriangles, |
| const long numVertices, |
| const BinaryStream & bstream, |
| unsigned long & iterator) |
| { |
| unsigned char compressionMask = bstream.ReadUChar(iterator, m_streamType); |
| m_decodeTrianglesOrder = ( (compressionMask&2) != 0); |
| m_decodeVerticesOrder = ( (compressionMask&1) != 0); |
| if (m_decodeVerticesOrder) // vertices reordering not supported |
| { |
| return O3DGC_ERROR_NON_SUPPORTED_FEATURE; |
| } |
| unsigned long maxSizeV2T = bstream.ReadUInt32(iterator, m_streamType); |
| Init(triangles, numTriangles, numVertices, maxSizeV2T); |
| m_ctfans.Load(bstream, iterator, m_decodeTrianglesOrder, m_streamType); |
| Decompress(); |
| return O3DGC_OK; |
| } |
| O3DGCErrorCode Reorder(); |
| |
| private: |
| O3DGCErrorCode Init(T * const triangles, |
| const long numTriangles, |
| const long numVertices, |
| const long maxSizeV2T); |
| O3DGCErrorCode Decompress(); |
| O3DGCErrorCode CompueLocalConnectivityInfo(const long focusVertex); |
| O3DGCErrorCode DecompressTFAN(const long focusVertex); |
| |
| unsigned long m_itNumTFans; |
| unsigned long m_itDegree; |
| unsigned long m_itConfig; |
| unsigned long m_itOperation; |
| unsigned long m_itIndex; |
| long m_maxNumVertices; |
| long m_maxNumTriangles; |
| long m_numTriangles; |
| long m_numVertices; |
| long m_tempTrianglesSize; |
| T * m_triangles; |
| T * m_tempTriangles; |
| long m_vertexCount; |
| long m_triangleCount; |
| long m_numConqueredTriangles; |
| long m_numVisitedVertices; |
| long * m_visitedVertices; |
| long * m_visitedVerticesValence; |
| AdjacencyInfo m_vertexToTriangle; |
| CompressedTriangleFans m_ctfans; |
| TriangleFans m_tfans; |
| O3DGCStreamType m_streamType; |
| bool m_decodeTrianglesOrder; |
| bool m_decodeVerticesOrder; |
| }; |
| } |
| #include "o3dgcTriangleListDecoder.inl" // template implementation |
| #endif // O3DGC_TRIANGLE_LIST_DECODER_H |
| |