#pragma once
#ifndef REAL_BUILD
# define REAL_BUILD
# include "externals.hh"
# include "utilities.hh"
# undef REAL_BUILD
#endif


struct T_ProfilerSamples
{
	float sum;
	uint32_t nSamples;
};


struct T_Profiler
{
	static constexpr uint32_t Samples = 4;
	static constexpr uint32_t History = 4;
	static T_Profiler Profiler;

	void clear( );

	void startFrame( );
	void start( __rd__ std::string const& section );
	void end( __rd__ std::string const& section );

	uint32_t sections( ) const noexcept
		{ return sections_.size( ); }

	std::string const& nameOf(
			__rd__ const uint32_t section ) const
		{ return sections_[ section ]; }

	float resultOf( __rd__ const uint32_t section ) const;

    private:
	using T_SamplesList_ = std::vector< T_ProfilerSamples >;
	using T_Data_ = std::vector< T_SamplesList_ >;

	uint32_t find( __rd__ std::string const& section ) const;

	std::vector< std::string > sections_;
	T_Data_ samples_;
	std::vector< uint64_t > starts_;
};