/usr/include/sofa/gpu/cuda/CudaSpatialGridContainer.inl is in libsofa1-dev 1.0~beta4-10ubuntu2.
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* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
//
// C++ Interface: SpatialGridContainer
//
// Description:
//
//
// Author: The SOFA team <http://www.sofa-framework.org>, (C) 2006
//
// Copyright: See COPYING file that comes with this distribution
//
//
#ifndef SOFA_GPU_CUDA_CUDASPATIALGRIDCONTAINER_INL
#define SOFA_GPU_CUDA_CUDASPATIALGRIDCONTAINER_INL
#include <sofa/gpu/cuda/CudaSpatialGridContainer.h>
#include <sofa/component/container/SpatialGridContainer.inl>
namespace sofa
{
namespace gpu
{
namespace cuda
{
extern "C"
{
void SpatialGridContainer3f_updateGrid(int cellBits, float cellWidth, int nbPoints, void* particleHash, void* sortTmp, void* cellStart, const void* x);
void SpatialGridContainer3f1_updateGrid(int cellBits, float cellWidth, int nbPoints, void* particleHash, void* sortTmp, void* cellStart, const void* x);
void SpatialGridContainer3f_reorderData(int nbPoints, const void* particleHash, void* sorted, const void* x);
void SpatialGridContainer3f1_reorderData(int nbPoints, const void* particleHash, void* sorted, const void* x);
}
} // namespace cuda
} // namespace gpu
namespace component
{
namespace container
{
using namespace sofa::helper;
// template<class TCoord, class TDeriv, class TReal>
// typename SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::Grid SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::emptyGrid;
template<class TCoord, class TDeriv, class TReal>
SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::SpatialGrid(Real cellWidth)
: cellWidth(cellWidth), invCellWidth(1/cellWidth), lastX(NULL)
{
cellBits = 16;
nbCells = 1<<cellBits;
}
template<class TCoord, class TDeriv, class TReal> template<class NeighborListener>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::findNeighbors(NeighborListener* /*dest*/, Real /*dist*/)
{
std::cerr << "TODO: SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::findNeighbors(NeighborListener* dest, Real dist)"<<std::endl;
}
template<class TCoord, class TDeriv, class TReal>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::computeField(ParticleField* /*field*/, Real /*dist*/)
{
std::cerr << "TODO: SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::computeField(ParticleField* field, Real dist)"<<std::endl;
}
template<class TCoord, class TDeriv, class TReal>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::reorderIndices(helper::vector<unsigned int>* /*old2new*/, helper::vector<unsigned int>* /*new2old*/)
{
std::cerr << "TODO: SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::reorderIndices(helper::vector<unsigned int>* old2new, helper::vector<unsigned int>* new2old)"<<std::endl;
}
template<>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVec3fTypes > >::kernel_updateGrid(int cellBits, float cellWidth, int nbPoints, void* particleHash, void* sortTmp, void* cellStart, const void* x)
{
gpu::cuda::SpatialGridContainer3f_updateGrid(cellBits, cellWidth, nbPoints, particleHash, sortTmp, cellStart, x);
}
template<>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVec3f1Types > >::kernel_updateGrid(int cellBits, float cellWidth, int nbPoints, void* particleHash, void* sortTmp, void* cellStart, const void* x)
{
gpu::cuda::SpatialGridContainer3f1_updateGrid(cellBits, cellWidth, nbPoints, particleHash, sortTmp, cellStart, x);
}
template<>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVec3fTypes > >::kernel_reorderData(int nbPoints, const void* particleHash, void* sorted, const void* x)
{
gpu::cuda::SpatialGridContainer3f_reorderData(nbPoints, particleHash, sorted, x);
}
template<>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVec3f1Types > >::kernel_reorderData(int nbPoints, const void* particleHash, void* sorted, const void* x)
{
gpu::cuda::SpatialGridContainer3f1_reorderData(nbPoints, particleHash, sorted, x);
}
template<class TCoord, class TDeriv, class TReal>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::update(const VecCoord& x)
{
lastX = &x;
data.clear();
int nbPoints = x.size();
particleHash.fastResize(nbPoints);
sortTmp.fastResize(nbPoints);
cellStart.fastResize(nbCells);
sortedPos.fastResize(nbPoints);
kernel_updateGrid(cellBits, cellWidth, nbPoints, particleHash.deviceWrite(), sortTmp.deviceWrite(), cellStart.deviceWrite(), x.deviceRead());
kernel_reorderData(nbPoints, particleHash.deviceRead(), sortedPos.deviceWrite(), x.deviceRead());
}
template<class TCoord, class TDeriv, class TReal>
void SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >::draw()
{
if (!lastX) return;
int nbPoints = particleHash.size();
glDisable(GL_LIGHTING);
glColor4f(1,1,1,1);
glPointSize(3);
glBegin(GL_POINTS);
for (int i=0;i<nbPoints;i++)
{
unsigned int cell = particleHash[i][0];
//unsigned int p = particleHash[i][1];
//if (cell != 0 && cell != 65535)
// std::cout << i << ": "<<p<<" -> "<<cell<<", "<<(*lastX)[p]<<" -> "<<sortedPos[i]<<std::endl;
int r = cell&3;
int g = (cell>>2)&3;
int b = (cell>>4)&3;
glColor4ub(63+r*64,63+g*64,63+b*64,255);
glVertex3fv(sortedPos[i].ptr());
//glVertex3fv((*lastX)[p].ptr());
}
glEnd();
glPointSize(1);
}
} // namespace container
} // namespace component
} // namespace sofa
#endif
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