iperfmarkerinterface.h

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/*
* Copyright 2016 Autodesk, Inc. All rights reserved.
* Use of this software is subject to the terms of the Autodesk license agreement and any attachments or Appendices thereto provided at the time of installation or download,
* or which otherwise accompanies this software in either electronic or hard copy form, or which is signed by you and accepted by Autodesk.
*/

#pragma once

#include "gwnavruntime/base/types.h"

namespace Kaim
{

class IPerfMarkerInterface
{
public:
    static IPerfMarkerInterface*& Instance()
    {
        static IPerfMarkerInterface* s_instance = nullptr;
        return s_instance;
    }

    virtual ~IPerfMarkerInterface() {}

private:
    virtual void Begin(const char* name) = 0;

    virtual void End() = 0;

public:
    static void BeginMarker(const char* name)
    {
        auto* instance = Instance();
        if (instance)
            instance->Begin(name);
    }

    static void EndMarker()
    {
        auto* instance = Instance();
        if (instance)
            instance->End();
    }
};

class ScopedPerfMarker
{
public:
    ScopedPerfMarker(const char* name) { IPerfMarkerInterface::BeginMarker(name); }
    ~ScopedPerfMarker()                { IPerfMarkerInterface::EndMarker();       }
};

} // Kaim

#if defined(KY_PERF_MARKERS_ENABLED)

    #define KY_PERF_MARKER_BEGIN(name) Kaim::IPerfMarkerInterface::BeginMarker(name);

    #define KY_PERF_MARKER_END() Kaim::IPerfMarkerInterface::EndMarker();

    #define KY_SCOPED_PERF_MARKER(name) Kaim::ScopedPerfMarker scopedPerfMarker__(name);

#else
    #define KY_PERF_MARKER_BEGIN(name)
    #define KY_PERF_MARKER_END()
    #define KY_SCOPED_PERF_MARKER(name)
#endif