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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2020 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#pragma once
#include "NvCloth/Solver.h"
#include "CuClothData.h"
#include "CuPinnedAllocator.h"
#include "CuContextLock.h"
#include "CuDeviceVector.h"
#include "../SwInterCollision.h"
#include "CuSolverKernel.h"
namespace nv
{
namespace cloth
{
class CuCloth;
class CuFabric;
struct PhaseConfig;
struct CuKernelData;
class CuSolver : private CuContextLock, public Solver
{
CuSolver(const CuSolver&); // not implemented
CuSolver& operator = (const CuSolver&); // not implemented
public:
CuSolver(CuFactory&);
~CuSolver();
virtual void addCloth(Cloth*) override;
virtual void addCloths(Range<Cloth*> cloths) override;
virtual void removeCloth(Cloth*) override;
virtual int getNumCloths() const override;
virtual Cloth * const * getClothList() const override;
// functions executing the simulation work.
virtual bool beginSimulation(float dt);
virtual void simulateChunk(int idx);
virtual void endSimulation();
virtual int getSimulationChunkCount() const override;
virtual bool hasError() const
{
return mCudaError;
}
virtual void setInterCollisionDistance(float distance)
{
mInterCollisionDistance = distance;
}
virtual float getInterCollisionDistance() const
{
return mInterCollisionDistance;
}
virtual void setInterCollisionStiffness(float stiffness)
{
mInterCollisionStiffness = stiffness;
}
virtual float getInterCollisionStiffness() const
{
return mInterCollisionStiffness;
}
virtual void setInterCollisionNbIterations(uint32_t nbIterations)
{
mInterCollisionIterations = nbIterations;
}
virtual uint32_t getInterCollisionNbIterations() const
{
return mInterCollisionIterations;
}
virtual void setInterCollisionFilter(InterCollisionFilter filter)
{
mInterCollisionFilter = filter;
}
private:
// add cloth helper functions
void addClothAppend(Cloth* cloth);
void addClothUpdateData();
void updateKernelData(); // context needs to be acquired
// simulate helper functions
void beginFrame();
static void CUDA_CB KernelFinished(CUstream stream, CUresult status, void *userData);
void executeKernel();
void endFrame();
void interCollision();
private:
CuFactory& mFactory;
typedef Vector<CuCloth*>::Type ClothVector;
ClothVector mCloths;
CuDeviceVector<CuClothData> mClothData;
CuHostVector<CuClothData, CU_MEMHOSTALLOC_WRITECOMBINED>::Type mClothDataHostCopy;
bool mClothDataDirty;
CuHostVector<CuFrameData, CU_MEMHOSTALLOC_DEVICEMAP>::Type mFrameData;
CuHostVector<CuIterationData, CU_MEMHOSTALLOC_DEVICEMAP>::Type mIterationData;
CuIterationData* mIterationDataBegin; // corresponding device ptr
float mFrameDt;
uint32_t mSharedMemorySize;
uint32_t mSharedMemoryLimit;
CUstream mStream;
CUfunction mKernelFunction;
int mKernelSharedMemorySize;
CuKernelData mKernelDataHost;
CuDevicePointer<uint32_t> mClothIndex;
float mInterCollisionDistance;
float mInterCollisionStiffness;
uint32_t mInterCollisionIterations;
InterCollisionFilter mInterCollisionFilter;
void* mInterCollisionScratchMem;
uint32_t mInterCollisionScratchMemSize;
Vector<SwInterCollisionData>::Type mInterCollisionInstances;
uint64_t mSimulateNvtxRangeId;
void* mProfileBuffer;
uint32_t mProfileBaseId;
bool mCudaError;
void* mCuptiEventProfiler;
friend void record(const CuSolver&);
void* mSimulateProfileEventData;
};
}
}
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