/**************************************************************************/
/*  profiling.h                                                           */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
/* the following conditions:                                              */
/*                                                                        */
/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
/*                                                                        */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
/**************************************************************************/

#pragma once

#include "core/typedefs.h"
#include "profiling.gen.h"

#if defined(GODOT_USE_TRACY)
// Use the tracy profiler.

#define TRACY_ENABLE
#include <tracy/Tracy.hpp>

#ifndef TRACY_CALLSTACK
#define TRACY_CALLSTACK 0
#endif

// Define tracing macros.
#define GodotProfileFrameMark FrameMark
#define GodotProfileZone(m_zone_name) ZoneScopedN(m_zone_name)
#define GodotProfileZoneGroupedFirst(m_group_name, m_zone_name) ZoneNamedN(__godot_tracy_zone_##m_group_name, m_zone_name, true)
#define GodotProfileZoneGroupedEndEarly(m_group_name, m_zone_name) __godot_tracy_zone_##m_group_name.~ScopedZone();
#define GodotProfileZoneGrouped(m_group_name, m_zone_name)                                                                                                       \
	GodotProfileZoneGroupedEndEarly(m_group_name, m_zone_name);                                                                                                  \
	static constexpr tracy::SourceLocationData TracyConcat(__tracy_source_location, TracyLine){ m_zone_name, TracyFunction, TracyFile, (uint32_t)TracyLine, 0 }; \
	new (&__godot_tracy_zone_##m_group_name) tracy::ScopedZone(&TracyConcat(__tracy_source_location, TracyLine), TRACY_CALLSTACK, true)

void godot_init_profiler();

#elif defined(GODOT_USE_PERFETTO)
// Use the perfetto profiler.

#include <perfetto.h>

PERFETTO_DEFINE_CATEGORIES(
		perfetto::Category("godot")
				.SetDescription("All Godot Events"), );

// See PERFETTO_INTERNAL_SCOPED_EVENT_FINALIZER
struct PerfettoGroupedEventEnder {
	_FORCE_INLINE_ void _end_now() {
		TRACE_EVENT_END("godot");
	}

	_FORCE_INLINE_ ~PerfettoGroupedEventEnder() {
		_end_now();
	}
};

#define GodotProfileFrameMark // TODO
#define GodotProfileZone(m_zone_name) TRACE_EVENT("godot", m_zone_name);
#define GodotProfileZoneGroupedFirst(m_group_name, m_zone_name) \
	TRACE_EVENT_BEGIN("godot", m_zone_name);                    \
	PerfettoGroupedEventEnder __godot_perfetto_zone_##m_group_name
#define GodotProfileZoneGroupedEndEarly(m_group_name, m_zone_name) __godot_perfetto_zone_##m_group_name.~PerfettoGroupedEventEnder()
#define GodotProfileZoneGrouped(m_group_name, m_zone_name) \
	__godot_perfetto_zone_##m_group_name._end_now();       \
	TRACE_EVENT_BEGIN("godot", m_zone_name);

void godot_init_profiler();

#else
// No profiling; all macros are stubs.

void godot_init_profiler();

#define GodotProfileFrameMark
#define GodotProfileZone(m_zone_name)
#define GodotProfileZoneGroupedFirst(m_group_name, m_zone_name)
#define GodotProfileZoneGroupedEndEarly(m_group_name, m_zone_name)
#define GodotProfileZoneGrouped(m_group_name, m_zone_name)

#endif