CWE-ou-minkata/Sources/Plasma/NucleusLib/inc/plProfile.h

/*==LICENSE==*

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*==LICENSE==*/
#ifndef plProfile_h_inc
#define plProfile_h_inc

#include "HeadSpin.h"

#ifndef PLASMA_EXTERNAL_RELEASE
#define PL_PROFILE_ENABLED
#endif

//
// These macros are all you should need to use to profile your code.  They are
// compiled out in external release mode for maximum performance.
//
// plProfile_Create* should only be used at global scope, not in functions.
// Use plProfile_Extern if the plProfile_Create* for a variable is in another source file.
//
// --Examples--
//
// plProfile_CreateCounter("Num Foobars", "Test", NumFoobars);
// void SomeFunc1()
// {
//     plProfile_Inc(NumFoobars);
//     plProfile_IncCount(NumFoobars, 5);
// }
//
// plProfile_CreateTimer("Foobar Time", "Test", FoobarTime);
// void SomeFunc2()
// {
//     plProfile_BeginTiming(FoobarTime);
//     (execute some code...)
//     plProfile_EndTiming(FoobarTime);
//
//     plProfile_BeginLap(FoobarTime, pKeyedObj->GetKeyName());
//     pKeyedObj->DoStuff();
//     plProfile_EndLap(FoobarTime, pKeyedObj->GetKeyName());
// }
//

#ifdef PL_PROFILE_ENABLED

#define plProfile_CreateTimerNoReset(name, group, varName)  plProfileVar gProfileVar##varName(name, group, plProfileVar::kDisplayTime | plProfileVar::kDisplayNoReset)
#define plProfile_CreateTimer(name, group, varName) plProfileVar gProfileVar##varName(name, group, plProfileVar::kDisplayTime)
#define plProfile_CreateAsynchTimer(name, group, varName)   plProfileVar gProfileVar##varName(name, group, plProfileVar::kDisplayTime | plProfileVar::kDisplayResetEveryBegin | plProfileVar::kDisplayNoReset)
#define plProfile_BeginTiming(varName)              gProfileVar##varName.BeginTiming()
#define plProfile_EndTiming(varName)                gProfileVar##varName.EndTiming()
#define plProfile_BeginLap(varName, lapName)        gProfileVar##varName.BeginLap(lapName)
#define plProfile_EndLap(varName, lapName)          gProfileVar##varName.EndLap(lapName)

#define plProfile_CreateCounter(name, group, varName)   plProfileVar gProfileVar##varName(name, group, plProfileVar::kDisplayCount)
#define plProfile_CreateCounterNoReset(name, group, varName)    plProfileVar gProfileVar##varName(name, group, plProfileVar::kDisplayCount | plProfileVar::kDisplayNoReset)
#define plProfile_Inc(varName)                          gProfileVar##varName.Inc()
#define plProfile_IncCount(varName, count)              gProfileVar##varName.Inc(count)
#define plProfile_Dec(varName)                          gProfileVar##varName.Dec()
#define plProfile_Set(varName, value)                   gProfileVar##varName.Set(value)

#define plProfile_CreateMemCounter(name, group, varName)    plProfileVar gProfileVar##varName(name, group, plProfileVar::kDisplayMem | plProfileVar::kDisplayNoReset)
#define plProfile_CreateMemCounterReset(name, group, varName)   plProfileVar gProfileVar##varName(name, group, plProfileVar::kDisplayMem)
#define plProfile_NewMem(varName, memAmount)                gProfileVar##varName.NewMem(memAmount)
#define plProfile_DelMem(varName, memAmount)                gProfileVar##varName.DelMem(memAmount)

#define plProfile_StopVar(varName) gProfileVar##varName.Stop()
#define plProfile_StartVar(varName) gProfileVar##varName.Start()

#define plProfile_Extern(varName)                   extern plProfileVar gProfileVar##varName

#else

#define plProfile_CreateTimerNoReset(name, group, varName)
#define plProfile_CreateTimer(name, group, varName)
#define plProfile_CreateAsynchTimer(name, group, varName)
#define plProfile_BeginTiming(varName)
#define plProfile_EndTiming(varName)
#define plProfile_BeginLap(varName, lapName)
#define plProfile_EndLap(varName, lapName)

#define plProfile_CreateCounter(name, group, varName)
#define plProfile_CreateCounterNoReset(name, group, varName)
#define plProfile_Inc(varName)
#define plProfile_IncCount(varName, count)
#define plProfile_Dec(varName)
#define plProfile_Set(varName, value)

#define plProfile_CreateMemCounter(name, group, varName)
#define plProfile_CreateMemCounterReset(name, group, varName)
#define plProfile_NewMem(varName, memAmount)
#define plProfile_DelMem(varName, memAmount)

#define plProfile_StopVar(varName)
#define plProfile_StartVar(varName)

#define plProfile_Extern(varName)

#endif

class plProfileLaps;

class plProfileBase
{
public:
    enum
    {
        kDisplayCount           = 0x1,
        kDisplayTime            = 0x2,
        kDisplayMem             = 0x4,
        kDisplayNoReset         = 0x8,
        kDisplayFPS             = 0x10,
        kDisplayLaps            = 0x20,
        kDisplaySelected        = 0x40,
        kDisplayResetEveryBegin = 0x80
    };

protected:
    const char* fName;      // Name of timer

    uint64_t fValue;

    uint32_t fAvgCount;
    uint64_t fAvgTotal;
    uint32_t fLastAvg;
    uint64_t fMax;
    bool     fActive;
    bool     fRunning;
    uint8_t fDisplayFlags;

    // Number of times EndTiming was called. Can be used to combine timing and counting in one timer
    uint32_t fTimerSamples;

    void IAddAvg();

    void IPrintValue(uint64_t value, char* buf, bool printType);

public:
    plProfileBase();
    virtual ~plProfileBase();

    virtual void BeginFrame();
    virtual void EndFrame();

    void UpdateAvg();

    uint64_t GetValue();

    void PrintValue(char* buf, bool printType=true);
    void PrintAvg(char* buf, bool printType=true);
    void PrintMax(char* buf, bool printType=true);

    uint32_t GetTimerSamples() const { return fTimerSamples; }

    const char* GetName() { return fName; }

    void SetActive(bool s) { fActive = s; }

    void Stop() { fRunning = false; }
    void Start() { fRunning = true; }

    uint8_t GetDisplayFlags() const { return fDisplayFlags; }

    void ResetMax() { fMax = 0; }
};

class plProfileVar : public plProfileBase
{
protected:
    const char* fGroup;
    plProfileLaps* fLaps;
    bool fLapsActive;

    plProfileVar() {}

    void IBeginTiming();
    void IEndTiming();
    
    void IBeginLap(const char* lapName); 
    void IEndLap(const char* lapName);

public:
    // Name is the timer name. Each timer group gets its own plStatusLog
    plProfileVar(const char *name, const char* group, uint8_t flags);
    ~plProfileVar();

    // For timing
    void BeginTiming() { if (fActive && fRunning) IBeginTiming(); }
    void EndTiming() { if (fActive && fRunning) IEndTiming(); }

    void NewMem(uint32_t memAmount) { fValue += memAmount; }
    void DelMem(uint32_t memAmount) { fValue -= memAmount; }

    // For Counting
    void Inc(int i = 1) { fValue += i;}
    void Dec(int i = 1) { fValue -= i;}

    void Set(uint64_t value) { fValue = value; }

    // 
    // For multiple timings per frame of the same thing ie. Each particle system
    //
    // Will output to log like
    // Timername : lapCnt: (lapName) : 3.22 msec
    //
    void BeginLap(const char* lapName) { if(fActive && fRunning) IBeginLap(lapName); }
    void EndLap(const char* lapName) { if(fActive && fRunning) IEndLap(lapName); }
    
    const char* GetGroup() { return fGroup; }

    plProfileLaps* GetLaps() { return fLaps; }

    // Enable Lap Sampling
    void SetLapsActive(bool s) { fLapsActive = s; }
};

#endif // plProfile_h_inc