---

       

---

PxSimulationStatistics.h

Go to the documentation of this file.

// 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) 2008-2017 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  


#ifndef PX_SIMULATION_STATISTICS
#define PX_SIMULATION_STATISTICS

#include "PxPhysXConfig.h"
#include "foundation/PxAssert.h"
#include "geometry/PxGeometry.h"

#if !PX_DOXYGEN
namespace physx
{
#endif

class PxSimulationStatistics
{
public:
    enum VolumeType
    {
        eRIGID_BODY,

        ePARTICLE_SYSTEM PX_DEPRECATED,

        eCLOTH,

        eVOLUME_COUNT
    };

    enum RbPairStatsType
    {
        eDISCRETE_CONTACT_PAIRS,

        eCCD_PAIRS,

        eMODIFIED_CONTACT_PAIRS,

        eTRIGGER_PAIRS
    };


//objects:
    PxU32   nbActiveConstraints;

    PxU32   nbActiveDynamicBodies;

    PxU32   nbActiveKinematicBodies;

    PxU32   nbStaticBodies;

    PxU32   nbDynamicBodies;

    PxU32   nbShapes[PxGeometryType::eGEOMETRY_COUNT];

    PxU32   nbAggregates;
    
    PxU32   nbArticulations;

//solver:
    PxU32   nbAxisSolverConstraints;

    PxU32   compressedContactSize;

    PxU32   requiredContactConstraintMemory;

    PxU32   peakConstraintMemory;

//broadphase:
    PxU32 getNbBroadPhaseAdds(VolumeType type) const
    {
        if (type != eVOLUME_COUNT)
            return nbBroadPhaseAdds[type];
        else
        {
            PX_ASSERT(false);
            return 0;
        }
    }

    PxU32 getNbBroadPhaseRemoves(VolumeType type) const
    {
        if (type != eVOLUME_COUNT)
            return nbBroadPhaseRemoves[type];
        else
        {
            PX_ASSERT(false);
            return 0;
        }
    }

//collisions:
    PxU32 getRbPairStats(RbPairStatsType pairType, PxGeometryType::Enum g0, PxGeometryType::Enum g1) const
    {
        PX_ASSERT_WITH_MESSAGE( (pairType >= eDISCRETE_CONTACT_PAIRS) &&
                                (pairType <= eTRIGGER_PAIRS),
                                "Invalid pairType in PxSimulationStatistics::getRbPairStats");

        if (g0 >= PxGeometryType::eGEOMETRY_COUNT || g1 >= PxGeometryType::eGEOMETRY_COUNT)
        {
            PX_ASSERT(false);
            return 0;
        }

        PxU32 nbPairs = 0;
        switch(pairType)
        {
            case eDISCRETE_CONTACT_PAIRS:
                nbPairs = nbDiscreteContactPairs[g0][g1];
                break;
            case eCCD_PAIRS:
                nbPairs = nbCCDPairs[g0][g1];
                break;
            case eMODIFIED_CONTACT_PAIRS:
                nbPairs = nbModifiedContactPairs[g0][g1];
                break;
            case eTRIGGER_PAIRS:
                nbPairs = nbTriggerPairs[g0][g1];
                break;
        }
        return nbPairs;
    }

    PxU32   nbDiscreteContactPairsTotal;

    PxU32   nbDiscreteContactPairsWithCacheHits;

    PxU32   nbDiscreteContactPairsWithContacts;

    PxU32   nbNewPairs;

    PxU32   nbLostPairs;

    PxU32   nbNewTouches;

    PxU32   nbLostTouches;

    PxU32   nbPartitions;

    PxSimulationStatistics() :
        nbActiveConstraints                 (0),
        nbActiveDynamicBodies               (0),
        nbActiveKinematicBodies             (0),
        nbStaticBodies                      (0),
        nbDynamicBodies                     (0),
        nbAggregates                        (0),
        nbArticulations                     (0),
        nbAxisSolverConstraints             (0),
        compressedContactSize               (0),
        requiredContactConstraintMemory     (0),
        peakConstraintMemory                (0),
        nbDiscreteContactPairsTotal         (0),
        nbDiscreteContactPairsWithCacheHits (0),
        nbDiscreteContactPairsWithContacts  (0),
        nbNewPairs                          (0),
        nbLostPairs                         (0),
        nbNewTouches                        (0),
        nbLostTouches                       (0),
        nbPartitions                        (0),
        particlesGpuMeshCacheSize           (0),
        particlesGpuMeshCacheUsed           (0),
        particlesGpuMeshCacheHitrate        (0.0f)
    {
        for(PxU32 i=0; i < eVOLUME_COUNT; i++)
        {
            nbBroadPhaseAdds[i] = 0;
            nbBroadPhaseRemoves[i] = 0;
        }

        for(PxU32 i=0; i < PxGeometryType::eGEOMETRY_COUNT; i++)
        {
            for(PxU32 j=0; j < PxGeometryType::eGEOMETRY_COUNT; j++)
            {
                nbDiscreteContactPairs[i][j] = 0;
                nbModifiedContactPairs[i][j] = 0;
                nbCCDPairs[i][j] = 0;
                nbTriggerPairs[i][j] = 0;
            }
        }

        for(PxU32 i=0; i < PxGeometryType::eGEOMETRY_COUNT; i++)
        {
            nbShapes[i] = 0;
        }
    }


    //
    // We advise to not access these members directly. Use the provided accessor methods instead.
    //
//broadphase:
    PxU32   nbBroadPhaseAdds[eVOLUME_COUNT];
    PxU32   nbBroadPhaseRemoves[eVOLUME_COUNT];

//collisions:
    PxU32   nbDiscreteContactPairs[PxGeometryType::eGEOMETRY_COUNT][PxGeometryType::eGEOMETRY_COUNT];
    PxU32   nbCCDPairs[PxGeometryType::eGEOMETRY_COUNT][PxGeometryType::eGEOMETRY_COUNT];
    PxU32   nbModifiedContactPairs[PxGeometryType::eGEOMETRY_COUNT][PxGeometryType::eGEOMETRY_COUNT];
    PxU32   nbTriggerPairs[PxGeometryType::eGEOMETRY_COUNT][PxGeometryType::eGEOMETRY_COUNT];

//triangle mesh cache statistics
    PxU32   particlesGpuMeshCacheSize;
    PxU32   particlesGpuMeshCacheUsed;
    PxReal  particlesGpuMeshCacheHitrate;
};

#if !PX_DOXYGEN
} // namespace physx
#endif

#endif

---

Copyright © 2008-2017 NVIDIA Corporation, 2701 San Tomas Expressway, Santa Clara, CA 95050 U.S.A. All rights reserved. www.nvidia.com