/*
 *	Copyright (C) 2007-2009 Gabest
 *	http://www.gabest.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA USA.
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

#pragma once

class GSPerfMon
{
public:
	enum timer_t
	{
		Main,
		Sync,
		WorkerDraw0, WorkerDraw1, WorkerDraw2, WorkerDraw3, WorkerDraw4, WorkerDraw5, WorkerDraw6, WorkerDraw7,
		WorkerDraw8, WorkerDraw9, WorkerDraw10, WorkerDraw11, WorkerDraw12, WorkerDraw13, WorkerDraw14, WorkerDraw15,
		TimerLast,
	};

	enum counter_t
	{
		Frame,
		Prim,
		Draw,
		Swizzle,
		Unswizzle,
		Fillrate,
		Quad,
		SyncPoint,
		CounterLast,
	};

protected:
	double m_counters[CounterLast];
	double m_stats[CounterLast];
	uint64 m_begin[TimerLast], m_total[TimerLast], m_start[TimerLast];
	uint64 m_frame;
	clock_t m_lastframe;
	int m_count;

	friend class GSPerfMonAutoTimer;

public:
	GSPerfMon();

	void SetFrame(uint64 frame) { m_frame = frame; }
	uint64 GetFrame() { return m_frame; }

	void Put(counter_t c, double val = 0);
	double Get(counter_t c) { return m_stats[c]; }
	void Update();

	void Start(int timer = Main);
	void Stop(int timer = Main);
	int CPU(int timer = Main, bool reset = true);
};

class GSPerfMonAutoTimer
{
	GSPerfMon* m_pm;
	int m_timer;

public:
	GSPerfMonAutoTimer(GSPerfMon* pm, int timer = GSPerfMon::Main)
	{
		m_timer = timer;
		(m_pm = pm)->Start(m_timer);
	}
	~GSPerfMonAutoTimer() { m_pm->Stop(m_timer); }
};