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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef TIME_PROFILER_H
#define TIME_PROFILER_H
#include <string>
#include <map>
#include <boost/noncopyable.hpp>
#include <cstring>
#include "System/float3.h"
// disable this if you want minimal profiling
// (sim time is still measured because of game slowdown)
#define SCOPED_TIMER(name) ScopedTimer myScopedTimerFromMakro(name);
class BasicTimer : public boost::noncopyable
{
public:
BasicTimer(const char* const name);
protected:
const std::string name;
const unsigned starttime;
};
/**
* @brief Time profiling helper class
*
* Construct an instance of this class where you want to begin time measuring,
* and destruct it at the end (or let it be autodestructed).
*/
class ScopedTimer : public BasicTimer
{
public:
ScopedTimer(const char* const name, bool autoShow = false): BasicTimer(name) {
autoShowGraph = autoShow;
}
/**
* @brief destroy and add time to profiler
*/
~ScopedTimer();
private:
bool autoShowGraph;
};
class ScopedOnceTimer : public BasicTimer
{
public:
ScopedOnceTimer(const char* const name): BasicTimer(name) {}
ScopedOnceTimer(const std::string& name): BasicTimer(name.c_str()) {}
/**
* @brief destroy and print passed time to infolog
*/
~ScopedOnceTimer();
};
class CTimeProfiler
{
public:
struct TimeRecord {
TimeRecord() : total(0), current(0), percent(0), color(0,0,0), showGraph(false), peak(0), newpeak(false) {
memset(frames, 0, sizeof(frames));
}
unsigned total;
unsigned current;
static const unsigned frames_size = 128;
unsigned frames[frames_size];
float percent;
float3 color;
bool showGraph;
float peak;
bool newpeak;
};
CTimeProfiler();
~CTimeProfiler();
float GetPercent(const char *name);
void AddTime(const std::string& name, unsigned time, bool showGraph = false);
void Update();
void PrintProfilingInfo() const;
std::map<std::string,TimeRecord> profile;
private:
unsigned lastBigUpdate;
/// increases each update, from 0 to (frames_size-1)
unsigned currentPosition;
};
extern CTimeProfiler profiler;
#endif // TIME_PROFILER_H
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