// Copyright (C) 2002-2011 Nikolaus Gebhardt

// This file is part of the "Irrlicht Engine".

// For conditions of distribution and use, see copyright notice in irrlicht.h


#ifndef __C_FPSCOUNTER_H_INCLUDED__
#define __C_FPSCOUNTER_H_INCLUDED__

#include "irrTypes.h"

namespace irr
{
namespace video  
{


class CFPSCounter  
{
public:
	CFPSCounter();

	//! returns current fps

	s32 getFPS() const;

	//! returns primitive count

	u32 getPrimitive() const;

	//! returns average primitive count of last period

	u32 getPrimitiveAverage() const;

	//! returns accumulated primitive count since start

	u32 getPrimitiveTotal() const;

	//! to be called every frame

	void registerFrame(u32 now, u32 primitive);

private:

	s32 FPS;
	u32 Primitive;
	u32 StartTime;

	u32 FramesCounted;
	u32 PrimitivesCounted;
	u32 PrimitiveAverage;
	u32 PrimitiveTotal;
};


} // end namespace video

} // end namespace irr



#endif