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include/framework/timing/profiler.h

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+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+#ifndef	__NPROFILER__
+#define	__NPROFILER__
+
+
+		#include "timing/benchmark.h"
+
+
+namespace GS {
+
+/*!
+	@short	Profiler.
+	@author	Emmanuel Julien (ejulien@owloh.com)
+*/
+struct Profiler
+{
+		// System is owned by the profiler.
+		struct System
+		{
+			String	label;
+			Benchmark profile;
+
+			AutoList <System *> sub_systems;
+
+			void Reset()
+			{
+				profile.Reset();
+				ListForeachPtr(System *, s, sub_systems)
+					s->Reset();
+			}
+		};
+
+		AutoList <System *> root_systems;
+
+		/*!
+			@short	Declare a system.
+			The system can be declared as a sub-system of another system.
+		*/
+		System *DeclareSystem(const char *label, System *subsystem_of = 0)
+		{
+			System *sys = new System;
+			if	(sys == 0)
+				return 0;
+
+			sys->label = label;
+
+			if	(subsystem_of)
+				subsystem_of->sub_systems.Add(sys);
+			else
+				root_systems.Add(sys);
+
+			return sys;
+		}
+
+		/// Reset all system in the profiler.
+virtual	void ResetProfiles()
+		{
+			ListForeachPtr(System *, s, root_systems)
+				s->Reset();
+		}
+};
+
+#if	__ENGINE_RETAIL__
+	#define	ScopedSystemProfile(_System) ;
+#else
+	#define	ScopedSystemProfile(_System) ScopedBenchmark _scoped_profile(_System->profile);
+#endif
+
+} // GS
+
+
+#endif	// __NPROFILER__