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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 <foundation/Px.h>
#ifndef __CUDACC__
#include "Simd.h"
#endif
namespace nv
{
namespace cloth
{
class CuCloth;
struct CuPhaseConfig;
template <typename>
struct IterationState;
struct IndexPair;
struct CuIterationData;
struct CuTether;
// reference to cloth instance bulk data (POD)
// should not need frequent updates (stored on device)
struct CuClothData
{
CuClothData()
{
}
CuClothData(CuCloth&);
// particle data
uint32_t mNumParticles;
float* mParticles;
float* mParticlesHostCopy;
// fabric constraints
uint32_t mNumPhases;
const CuPhaseConfig* mPhaseConfigs;
const CuTether* mTethers;
uint32_t mNumTethers;
float mTetherConstraintScale;
const uint16_t* mTriangles;
uint32_t mNumTriangles;
// motion constraint data
float mMotionConstraintScale;
float mMotionConstraintBias;
// collision data
uint32_t mNumSpheres; // don't change this order, it's
uint32_t mNumCapsules; // needed by mergeAcceleration()
const IndexPair* mCapsuleIndices;
uint32_t mNumPlanes;
uint32_t mNumConvexes;
const uint32_t* mConvexMasks;
uint32_t mNumCollisionTriangles;
// virtual particle data
const uint32_t* mVirtualParticleSetSizesBegin;
const uint32_t* mVirtualParticleSetSizesEnd;
const uint16_t* mVirtualParticleIndices;
const float* mVirtualParticleWeights;
bool mEnableContinuousCollision;
float mCollisionMassScale;
float mFrictionScale;
float mSelfCollisionDistance;
uint32_t mNumSelfCollisionIndices;
const uint32_t* mSelfCollisionIndices;
float* mSelfCollisionParticles;
uint32_t* mSelfCollisionKeys;
uint16_t* mSelfCollisionCellStart;
// sleep data
uint32_t mSleepTestInterval;
uint32_t mSleepAfterCount;
float mSleepThreshold;
};
// per-frame data (stored in pinned memory)
struct CuFrameData
{
CuFrameData()
{
} // not initializing pointers to 0!
#ifndef __CUDACC__
explicit CuFrameData(CuCloth&, uint32_t, const IterationState<Simd4f>&, const CuIterationData*);
#endif
bool mDeviceParticlesDirty;
// number of particle copies that fit in shared memory (0, 1, or 2)
uint32_t mNumSharedPositions;
// iteration data
float mIterDt;
uint32_t mNumIterations;
const CuIterationData* mIterationData;
float mTetherConstraintStiffness;
// wind data
float mDragCoefficient;
float mLiftCoefficient;
float mFluidDensity;
float mRotation[9];
// motion constraint data
const float* mStartMotionConstraints;
float* mTargetMotionConstraints;
const float* mHostMotionConstraints;
float mMotionConstraintStiffness;
// separation constraint data
const float* mStartSeparationConstraints;
float* mTargetSeparationConstraints;
const float* mHostSeparationConstraints;
// particle acceleration data
float* mParticleAccelerations;
const float* mHostParticleAccelerations;
// rest positions
const float* mRestPositions;
// collision data
const float* mStartCollisionSpheres;
const float* mTargetCollisionSpheres;
const float* mStartCollisionPlanes;
const float* mTargetCollisionPlanes;
const float* mStartCollisionTriangles;
const float* mTargetCollisionTriangles;
float mSelfCollisionStiffness;
float mParticleBounds[6]; // maxX, -minX, maxY, ...
uint32_t mSleepPassCounter;
uint32_t mSleepTestCounter;
float mStiffnessExponent;
};
// per-iteration data (stored in pinned memory)
struct CuIterationData
{
CuIterationData()
{
} // not initializing!
#ifndef __CUDACC__
explicit CuIterationData(const IterationState<Simd4f>&);
#endif
float mIntegrationTrafo[24];
float mWind[3];
uint32_t mIsTurning;
};
}
}
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