/usr/include/sofa/gpu/cuda/CudaSpatialGridContainer.h is in libsofa1-dev 1.0~beta4-6.
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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_H
#define SOFA_GPU_CUDA_CUDASPATIALGRIDCONTAINER_H
#include <sofa/component/container/SpatialGridContainer.h>
#include <sofa/gpu/cuda/CudaTypes.h>
#include <sofa/defaulttype/Vec.h>
namespace sofa
{
namespace component
{
namespace container
{
using namespace sofa::defaulttype;
template<class TCoord, class TDeriv, class TReal>
class SpatialGrid< SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > >
{
public:
typedef SpatialGridTypes < gpu::cuda::CudaVectorTypes<TCoord,TDeriv,TReal> > DataTypes;
typedef typename DataTypes::Real Real;
typedef typename DataTypes::Coord Coord;
typedef typename DataTypes::VecCoord VecCoord;
typedef typename DataTypes::CellData CellData;
typedef typename DataTypes::GridData GridData;
//typedef typename DataTypes::NeighborListener NeighborListener;
typedef typename DataTypes::ParticleField ParticleField;
public:
SpatialGrid(Real cellWidth);
void update(const VecCoord& x);
void draw();
template<class NeighborListener>
void findNeighbors(NeighborListener* dest, Real dist);
void computeField(ParticleField* field, Real dist);
/// Change particles ordering inside a given cell have contiguous indices
///
/// Fill the old2new and new2old arrays giving the permutation to apply
void reorderIndices(helper::vector<unsigned int>* old2new, helper::vector<unsigned int>* new2old);
#if 0
enum { GRIDDIM_LOG2 = DataTypes::GRIDDIM_LOG2, GRIDDIM = 1<<GRIDDIM_LOG2 };
enum { NCELL = GRIDDIM*GRIDDIM*GRIDDIM };
enum { DX = 1, DY = GRIDDIM, DZ = GRIDDIM*GRIDDIM };
class Entry
{
public:
int index;
Coord pos;
Entry(int i, const Coord& p) : index(i), pos(p) {}
};
class Cell
{
public:
std::list<Entry> plist;
CellData data;
void clear()
{
plist.clear();
data.clear();
}
};
#endif
GridData data;
Real getCellWidth() const { return cellWidth; }
Real getInvCellWidth() const { return invCellWidth; }
protected:
const Real cellWidth;
const Real invCellWidth;
int cellBits, nbCells;
sofa::gpu::cuda::CudaVector< sofa::helper::fixed_array<int,2> > particleHash, sortTmp;
sofa::gpu::cuda::CudaVector<int> cellStart;
sofa::gpu::cuda::CudaVector< sofa::gpu::cuda::Vec3f1 > sortedPos;
const VecCoord* lastX;
static void kernel_updateGrid(int cellBits, float cellWidth, int nbPoints, void* particleHash, void* sortTmp, void* cellStart, const void* x);
static void kernel_reorderData(int nbPoints, const void* particleHash, void* sorted, const void* x);
};
} // namespace container
} // namespace component
} // namespace sofa
#endif
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