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Diffstat (limited to 'src/mesh/assimp-master/contrib/Open3DGC/o3dgcCommon.h')
| -rw-r--r-- | src/mesh/assimp-master/contrib/Open3DGC/o3dgcCommon.h | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/contrib/Open3DGC/o3dgcCommon.h b/src/mesh/assimp-master/contrib/Open3DGC/o3dgcCommon.h new file mode 100644 index 0000000..ff6bf75 --- /dev/null +++ b/src/mesh/assimp-master/contrib/Open3DGC/o3dgcCommon.h @@ -0,0 +1,412 @@ +/* +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_COMMON_H +#define O3DGC_COMMON_H + +#ifndef _CRT_SECURE_NO_WARNINGS +#define _CRT_SECURE_NO_WARNINGS +#endif + +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <math.h> + +namespace o3dgc +{ + typedef float Real; + const double O3DGC_MAX_DOUBLE = 1.79769e+308; + const long O3DGC_MIN_LONG = -2147483647; + const long O3DGC_MAX_LONG = 2147483647; + const long O3DGC_MAX_UCHAR8 = 255; + const long O3DGC_MAX_TFAN_SIZE = 256; + const unsigned long O3DGC_MAX_ULONG = 4294967295; + + const unsigned long O3DGC_SC3DMC_START_CODE = 0x00001F1; + const unsigned long O3DGC_DV_START_CODE = 0x00001F2; + const unsigned long O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES = 256; + const unsigned long O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES = 256; + const unsigned long O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES = 32; + + const unsigned long O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS = 2; + const unsigned long O3DGC_SC3DMC_MAX_PREDICTION_SYMBOLS = 257; + + enum O3DGCEndianness + { + O3DGC_BIG_ENDIAN = 0, + O3DGC_LITTLE_ENDIAN = 1 + }; + enum O3DGCErrorCode + { + O3DGC_OK, + O3DGC_ERROR_BUFFER_FULL, + O3DGC_ERROR_CREATE_FILE, + O3DGC_ERROR_OPEN_FILE, + O3DGC_ERROR_READ_FILE, + O3DGC_ERROR_CORRUPTED_STREAM, + O3DGC_ERROR_NON_SUPPORTED_FEATURE + }; + enum O3DGCSC3DMCBinarization + { + O3DGC_SC3DMC_BINARIZATION_FL = 0, // Fixed Length (not supported) + O3DGC_SC3DMC_BINARIZATION_BP = 1, // BPC (not supported) + O3DGC_SC3DMC_BINARIZATION_FC = 2, // 4 bits Coding (not supported) + O3DGC_SC3DMC_BINARIZATION_AC = 3, // Arithmetic Coding (not supported) + O3DGC_SC3DMC_BINARIZATION_AC_EGC = 4, // Arithmetic Coding & EGCk + O3DGC_SC3DMC_BINARIZATION_ASCII = 5 // Arithmetic Coding & EGCk + }; + enum O3DGCStreamType + { + O3DGC_STREAM_TYPE_UNKOWN = 0, + O3DGC_STREAM_TYPE_ASCII = 1, + O3DGC_STREAM_TYPE_BINARY = 2 + }; + enum O3DGCSC3DMCQuantizationMode + { + O3DGC_SC3DMC_DIAG_BB = 0, // supported + O3DGC_SC3DMC_MAX_ALL_DIMS = 1, // supported + O3DGC_SC3DMC_MAX_SEP_DIM = 2 // supported + }; + enum O3DGCSC3DMCPredictionMode + { + O3DGC_SC3DMC_NO_PREDICTION = 0, // supported + O3DGC_SC3DMC_DIFFERENTIAL_PREDICTION = 1, // supported + O3DGC_SC3DMC_XOR_PREDICTION = 2, // not supported + O3DGC_SC3DMC_ADAPTIVE_DIFFERENTIAL_PREDICTION = 3, // not supported + O3DGC_SC3DMC_CIRCULAR_DIFFERENTIAL_PREDICTION = 4, // not supported + O3DGC_SC3DMC_PARALLELOGRAM_PREDICTION = 5, // supported + O3DGC_SC3DMC_SURF_NORMALS_PREDICTION = 6 // supported + }; + enum O3DGCSC3DMCEncodingMode + { + O3DGC_SC3DMC_ENCODE_MODE_QBCR = 0, // not supported + O3DGC_SC3DMC_ENCODE_MODE_SVA = 1, // not supported + O3DGC_SC3DMC_ENCODE_MODE_TFAN = 2, // supported + }; + enum O3DGCDVEncodingMode + { + O3DGC_DYNAMIC_VECTOR_ENCODE_MODE_LIFT = 0 + }; + enum O3DGCIFSFloatAttributeType + { + O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_UNKOWN = 0, + O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_POSITION = 1, + O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_NORMAL = 2, + O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_COLOR = 3, + O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_TEXCOORD = 4, + O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_WEIGHT = 5 + + }; + enum O3DGCIFSIntAttributeType + { + O3DGC_IFS_INT_ATTRIBUTE_TYPE_UNKOWN = 0, + O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX = 1, + O3DGC_IFS_INT_ATTRIBUTE_TYPE_JOINT_ID = 2, + O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX_BUFFER_ID = 3 + }; + + template<class T> + inline const T absolute(const T& a) + { + return (a < (T)(0)) ? -a : a; + } + template<class T> + inline const T min(const T& a, const T& b) + { + return (b < a) ? b : a; + } + template<class T> + inline const T max(const T& a, const T& b) + { + return (b > a) ? b : a; + } + template<class T> + inline void swap(T& a, T& b) + { + T tmp = a; + a = b; + b = tmp; + } + inline double log2( double n ) + { + return log(n) / log(2.0); + } + + inline O3DGCEndianness SystemEndianness() + { + unsigned long num = 1; + return ( *((char *)(&num)) == 1 )? O3DGC_LITTLE_ENDIAN : O3DGC_BIG_ENDIAN ; + } + class SC3DMCStats + { + public: + SC3DMCStats(void) + { + memset(this, 0, sizeof(SC3DMCStats)); + }; + ~SC3DMCStats(void){}; + + double m_timeCoord; + double m_timeNormal; + double m_timeCoordIndex; + double m_timeFloatAttribute[O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES]; + double m_timeIntAttribute [O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES ]; + double m_timeReorder; + + unsigned long m_streamSizeCoord; + unsigned long m_streamSizeNormal; + unsigned long m_streamSizeCoordIndex; + unsigned long m_streamSizeFloatAttribute[O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES]; + unsigned long m_streamSizeIntAttribute [O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES ]; + + }; + typedef struct + { + long m_a; + long m_b; + long m_c; + } SC3DMCTriplet; + + typedef struct + { + SC3DMCTriplet m_id; + long m_pred[O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES]; + } SC3DMCPredictor; + + inline bool operator< (const SC3DMCTriplet& lhs, const SC3DMCTriplet& rhs) + { + if (lhs.m_c != rhs.m_c) + { + return (lhs.m_c < rhs.m_c); + } + else if (lhs.m_b != rhs.m_b) + { + return (lhs.m_b < rhs.m_b); + } + return (lhs.m_a < rhs.m_a); + } + inline bool operator== (const SC3DMCTriplet& lhs, const SC3DMCTriplet& rhs) + { + return (lhs.m_c == rhs.m_c && lhs.m_b == rhs.m_b && lhs.m_a == rhs.m_a); + } + + + // fix me: optimize this function (e.g., binary search) + inline unsigned long Insert(SC3DMCTriplet e, unsigned long & nPred, SC3DMCPredictor * const list) + { + unsigned long pos = 0xFFFFFFFF; + bool foundOrInserted = false; + for (unsigned long j = 0; j < nPred; ++j) + { + if (e == list[j].m_id) + { + foundOrInserted = true; + break; + } + else if (e < list[j].m_id) + { + if (nPred < O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS) + { + ++nPred; + } + for (unsigned long h = nPred-1; h > j; --h) + { + list[h] = list[h-1]; + } + list[j].m_id = e; + pos = j; + foundOrInserted = true; + break; + } + } + if (!foundOrInserted && nPred < O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS) + { + pos = nPred; + list[nPred++].m_id = e; + } + return pos; + } + template <class T> + inline void SphereToCube(const T x, const T y, const T z, + T & a, T & b, char & index) + { + T ax = absolute(x); + T ay = absolute(y); + T az = absolute(z); + if (az >= ax && az >= ay) + { + if (z >= (T)(0)) + { + index = 0; + a = x; + b = y; + } + else + { + index = 1; + a = -x; + b = -y; + } + } + else if (ay >= ax && ay >= az) + { + if (y >= (T)(0)) + { + index = 2; + a = z; + b = x; + } + else + { + index = 3; + a = -z; + b = -x; + } + } + else if (ax >= ay && ax >= az) + { + if (x >= (T)(0)) + { + index = 4; + a = y; + b = z; + } + else + { + index = 5; + a = -y; + b = -z; + } + } + } + inline void CubeToSphere(const Real a, const Real b, const char index, + Real & x, Real & y, Real & z) + { + switch( index ) + { + case 0: + x = a; + y = b; + z = (Real) sqrt(max(0.0, 1.0 - x*x-y*y)); + break; + case 1: + x = -a; + y = -b; + z = -(Real) sqrt(max(0.0, 1.0 - x*x-y*y)); + break; + case 2: + z = a; + x = b; + y = (Real) sqrt(max(0.0, 1.0 - x*x-z*z)); + break; + case 3: + z = -a; + x = -b; + y = -(Real) sqrt(max(0.0, 1.0 - x*x-z*z)); + break; + case 4: + y = a; + z = b; + x = (Real) sqrt(max(0.0, 1.0 - y*y-z*z)); + break; + case 5: + y = -a; + z = -b; + x = -(Real) sqrt(max(0.0, 1.0 - y*y-z*z)); + break; + } + } + inline unsigned long IntToUInt(long value) + { + return (value < 0)?(unsigned long) (-1 - (2 * value)):(unsigned long) (2 * value); + } + inline long UIntToInt(unsigned long uiValue) + { + return (uiValue & 1)?-((long) ((uiValue+1) >> 1)):((long) (uiValue >> 1)); + } + inline void ComputeVectorMinMax(const Real * const tab, + unsigned long size, + unsigned long dim, + unsigned long stride, + Real * minTab, + Real * maxTab, + O3DGCSC3DMCQuantizationMode quantMode) + { + if (size == 0 || dim == 0) + { + return; + } + unsigned long p = 0; + for(unsigned long d = 0; d < dim; ++d) + { + maxTab[d] = minTab[d] = tab[p++]; + } + p = stride; + for(unsigned long i = 1; i < size; ++i) + { + for(unsigned long d = 0; d < dim; ++d) + { + if (maxTab[d] < tab[p+d]) maxTab[d] = tab[p+d]; + if (minTab[d] > tab[p+d]) minTab[d] = tab[p+d]; + } + p += stride; + } + + if (quantMode == O3DGC_SC3DMC_DIAG_BB) + { + Real diag = Real( 0.0 ); + Real r; + for(unsigned long d = 0; d < dim; ++d) + { + r = (maxTab[d] - minTab[d]); + diag += r*r; + } + diag = static_cast<Real>(sqrt(diag)); + for(unsigned long d = 0; d < dim; ++d) + { + maxTab[d] = minTab[d] + diag; + } + } + else if (quantMode == O3DGC_SC3DMC_MAX_ALL_DIMS) + { + Real maxr = (maxTab[0] - minTab[0]); + Real r; + for(unsigned long d = 1; d < dim; ++d) + { + r = (maxTab[d] - minTab[d]); + if ( r > maxr) + { + maxr = r; + } + } + for(unsigned long d = 0; d < dim; ++d) + { + maxTab[d] = minTab[d] + maxr; + } + } + } +} +#endif // O3DGC_COMMON_H + |