mirror of
https://github.com/SoftFever/OrcaSlicer.git
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2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
108 lines
4.1 KiB
C++
108 lines
4.1 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifdef __AVX__
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#include "svd3x3_avx.h"
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#include <cmath>
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#include <algorithm>
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#undef USE_SCALAR_IMPLEMENTATION
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#undef USE_SSE_IMPLEMENTATION
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#define USE_AVX_IMPLEMENTATION
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#define COMPUTE_U_AS_MATRIX
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#define COMPUTE_V_AS_MATRIX
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#include "Singular_Value_Decomposition_Preamble.hpp"
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#pragma runtime_checks( "u", off ) // disable runtime asserts on xor eax,eax type of stuff (doesn't always work, disable explicitly in compiler settings)
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template<typename T>
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IGL_INLINE void igl::svd3x3_avx(
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const Eigen::Matrix<T, 3*8, 3>& A,
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Eigen::Matrix<T, 3*8, 3> &U,
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Eigen::Matrix<T, 3*8, 1> &S,
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Eigen::Matrix<T, 3*8, 3>&V)
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{
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// this code assumes USE_AVX_IMPLEMENTATION is defined
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float Ashuffle[9][8], Ushuffle[9][8], Vshuffle[9][8], Sshuffle[3][8];
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for (int i=0; i<3; i++)
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{
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for (int j=0; j<3; j++)
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{
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for (int k=0; k<8; k++)
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{
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Ashuffle[i + j*3][k] = A(i + 3*k, j);
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}
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}
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}
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#include "Singular_Value_Decomposition_Kernel_Declarations.hpp"
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ENABLE_AVX_IMPLEMENTATION(Va11=_mm256_loadu_ps(Ashuffle[0]);)
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ENABLE_AVX_IMPLEMENTATION(Va21=_mm256_loadu_ps(Ashuffle[1]);)
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ENABLE_AVX_IMPLEMENTATION(Va31=_mm256_loadu_ps(Ashuffle[2]);)
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ENABLE_AVX_IMPLEMENTATION(Va12=_mm256_loadu_ps(Ashuffle[3]);)
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ENABLE_AVX_IMPLEMENTATION(Va22=_mm256_loadu_ps(Ashuffle[4]);)
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ENABLE_AVX_IMPLEMENTATION(Va32=_mm256_loadu_ps(Ashuffle[5]);)
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ENABLE_AVX_IMPLEMENTATION(Va13=_mm256_loadu_ps(Ashuffle[6]);)
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ENABLE_AVX_IMPLEMENTATION(Va23=_mm256_loadu_ps(Ashuffle[7]);)
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ENABLE_AVX_IMPLEMENTATION(Va33=_mm256_loadu_ps(Ashuffle[8]);)
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#include "Singular_Value_Decomposition_Main_Kernel_Body.hpp"
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[0],Vu11);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[1],Vu21);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[2],Vu31);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[3],Vu12);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[4],Vu22);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[5],Vu32);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[6],Vu13);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[7],Vu23);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Ushuffle[8],Vu33);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[0],Vv11);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[1],Vv21);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[2],Vv31);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[3],Vv12);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[4],Vv22);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[5],Vv32);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[6],Vv13);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[7],Vv23);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Vshuffle[8],Vv33);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Sshuffle[0],Va11);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Sshuffle[1],Va22);)
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ENABLE_AVX_IMPLEMENTATION(_mm256_storeu_ps(Sshuffle[2],Va33);)
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for (int i=0; i<3; i++)
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{
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for (int j=0; j<3; j++)
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{
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for (int k=0; k<8; k++)
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{
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U(i + 3*k, j) = Ushuffle[i + j*3][k];
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V(i + 3*k, j) = Vshuffle[i + j*3][k];
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}
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}
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}
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for (int i=0; i<3; i++)
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{
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for (int k=0; k<8; k++)
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{
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S(i + 3*k, 0) = Sshuffle[i][k];
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}
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}
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}
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#pragma runtime_checks( "u", restore )
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#ifdef IGL_STATIC_LIBRARY
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// forced instantiation
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//template void igl::svd3x3_avx(const Eigen::Matrix<float, 3*8, 3>& A, Eigen::Matrix<float, 3*8, 3> &U, Eigen::Matrix<float, 3*8, 1> &S, Eigen::Matrix<float, 3*8, 3>&V);
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// doesn't even make sense with double because the wunder-SVD code is only single precision anyway...
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template void igl::svd3x3_avx<float>(Eigen::Matrix<float, 24, 3, 0, 24, 3> const&, Eigen::Matrix<float, 24, 3, 0, 24, 3>&, Eigen::Matrix<float, 24, 1, 0, 24, 1>&, Eigen::Matrix<float, 24, 3, 0, 24, 3>&);
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#endif
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#endif
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