---

     

---

sdk/toolkit/source/NvBlastTkGroupImpl.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) 2016-2020 NVIDIA Corporation. All rights reserved.


#ifndef NVBLASTTKGROUPIMPL_H
#define NVBLASTTKGROUPIMPL_H


#include "NvBlastTkTaskImpl.h"
#include "NvBlastTkGroup.h"
#include "NvBlastTkTypeImpl.h"


namespace Nv
{
namespace Blast
{

class TkActorImpl;
class TkFamilyImpl;

NVBLASTTK_IMPL_DECLARE(Group)
{
    ~TkGroupImpl();

public:
    TkGroupImpl();

    NVBLASTTK_IMPL_DEFINE_IDENTIFIABLE('G', 'R', 'P', '\0');

    static TkGroupImpl*     create(const TkGroupDesc& desc);

    // Begin TkGroup
    virtual bool            addActor(TkActor& actor) override;

    virtual uint32_t        getActorCount() const override;

    virtual uint32_t        getActors(TkActor** buffer, uint32_t bufferSize, uint32_t indexStart = 0) const override;

    virtual uint32_t        startProcess() override;
    virtual bool            endProcess() override;

    virtual void            getStats(TkGroupStats& stats) const override;

    virtual void            setWorkerCount(uint32_t workerCount) override;
    virtual uint32_t        getWorkerCount() const override;

    virtual TkGroupWorker*  acquireWorker() override;
    virtual void            returnWorker(TkGroupWorker*) override;
    // End TkGroup

    // TkGroupImpl API

    bool                    removeActor(TkActor& actor);

    void                    enqueue(TkActorImpl* tkActor);

    bool                    isProcessing() const;

private:
    bool                    setProcessing(bool value);

    SharedMemory*           getSharedMemory(TkFamilyImpl* family);
    void                    releaseSharedMemory(TkFamilyImpl* fam, SharedMemory* mem);

    // functions to add/remove actors _without_ group-family memory management
    void                    addActorInternal(TkActorImpl& tkActor);
    void                    addActorsInternal(TkActorImpl** actors, uint32_t numActors);
    void                    removeActorInternal(TkActorImpl& tkActor);


    uint32_t                                        m_actorCount;           

    HashMap<TkFamilyImpl*, SharedMemory*>::type     m_sharedMemory;         

    // it is assumed no more than the asset's number of bond and chunks fracture commands are produced
    SharedBlock<NvBlastChunkFractureData>           m_chunkTempDataBlock;   
    SharedBlock<NvBlastBondFractureData>            m_bondTempDataBlock;    
    SharedBlock<NvBlastChunkFractureData>           m_chunkEventDataBlock;  
    SharedBlock<NvBlastBondFractureData>            m_bondEventDataBlock;   
    SharedBlock<char>                               m_splitScratchBlock;    

    std::atomic<bool>                               m_isProcessing;         

    Array<TkWorker>::type                           m_workers;              

    Array<TkWorkerJob>::type                        m_jobs;                 

//#if NV_PROFILE
    TkGroupStats                                    m_stats;                
//#endif

    std::mutex  m_workerMtx;

    friend class TkWorker;
};


NV_INLINE bool TkGroupImpl::isProcessing() const
{
    return m_isProcessing.load();
}


NV_INLINE void TkGroupImpl::getStats(TkGroupStats& stats) const
{
#if NV_PROFILE
    memcpy(&stats, &m_stats, sizeof(TkGroupStats));
#else
    NV_UNUSED(stats);
#endif
}


NV_INLINE uint32_t TkGroupImpl::getActorCount() const
{
    return m_actorCount;
}


NV_INLINE SharedMemory* TkGroupImpl::getSharedMemory(TkFamilyImpl* family)
{
    SharedMemory* mem = m_sharedMemory[family];
    NVBLAST_ASSERT(mem != nullptr);
    return mem;
}


NV_FORCE_INLINE void operator +=(NvBlastTimers& lhs, const NvBlastTimers& rhs)
{
    lhs.material += rhs.material;
    lhs.fracture += rhs.fracture;
    lhs.island += rhs.fracture;
    lhs.partition += rhs.partition;
    lhs.visibility += rhs.visibility;
}


} // namespace Blast
} // namespace Nv


#endif // ifndef NVBLASTTKGROUPIMPL_H

Copyright © 2015-2017 NVIDIA Corporation, 2701 San Tomas Expressway, Santa Clara, CA 95050 U.S.A. All rights reserved. www.nvidia.com