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PxProfiler.h

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//  * Redistributions in binary form must reproduce the above copyright
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//    documentation and/or other materials provided with the distribution.
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// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.

#ifndef PXFOUNDATION_PXPROFILER_H
#define PXFOUNDATION_PXPROFILER_H

#include "foundation/PxFoundation.h"

namespace physx
{

class PxProfilerCallback
{
protected:
    virtual ~PxProfilerCallback()   {}

public:
    /**************************************************************************************************************************
    Instrumented profiling events
    ***************************************************************************************************************************/

    virtual void* zoneStart(const char* eventName, bool detached, uint64_t contextId) = 0;

    virtual void zoneEnd(void* profilerData, const char* eventName, bool detached, uint64_t contextId) = 0;
};

class PxProfileScoped
{
  public:
    PX_FORCE_INLINE PxProfileScoped(const char* eventName, bool detached, uint64_t contextId) : mCallback(PxGetProfilerCallback()), mProfilerData(NULL)
    {
        if(mCallback)
        {
            mEventName      = eventName;
            mContextId      = contextId;
            mDetached       = detached;
            mProfilerData   = mCallback->zoneStart(eventName, detached, contextId);
        }
    }

    PX_FORCE_INLINE ~PxProfileScoped()
    {
        if(mCallback)
            mCallback->zoneEnd(mProfilerData, mEventName, mDetached, mContextId);
    }
    physx::PxProfilerCallback*  mCallback;
    const char*                 mEventName;
    void*                       mProfilerData;
    uint64_t                    mContextId;
    bool                        mDetached;
};

} // end of physx namespace

#if PX_DEBUG || PX_CHECKED || PX_PROFILE
    #define PX_PROFILE_ZONE(x, y)                                       \
        physx::PxProfileScoped PX_CONCAT(_scoped, __LINE__)(x, false, y)
    #define PX_PROFILE_START_CROSSTHREAD(x, y)                          \
        if(PxGetProfilerCallback())                                     \
            PxGetProfilerCallback()->zoneStart(x, true, y)
    #define PX_PROFILE_STOP_CROSSTHREAD(x, y)                           \
        if(PxGetProfilerCallback())                                     \
            PxGetProfilerCallback()->zoneEnd(NULL, x, true, y)
#else
    #define PX_PROFILE_ZONE(x, y)
    #define PX_PROFILE_START_CROSSTHREAD(x, y)
    #define PX_PROFILE_STOP_CROSSTHREAD(x, y)
#endif

#define PX_PROFILE_POINTER_TO_U64(pointer) static_cast<uint64_t>(reinterpret_cast<size_t>(pointer))

#endif // PXFOUNDATION_PXPROFILER_H

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