/*************************************************************************/
/*  performance.cpp                                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* 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.                */
/*************************************************************************/
#include "performance.h"
#include "os/os.h"
#include "servers/visual_server.h"
#include "message_queue.h"
#include "scene/main/scene_main_loop.h"
Performance *Performance::singleton=NULL;




void Performance::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("get_monitor","monitor"),&Performance::get_monitor);

	BIND_CONSTANT( TIME_FPS );
	BIND_CONSTANT( TIME_PROCESS );
	BIND_CONSTANT( TIME_FIXED_PROCESS );
	BIND_CONSTANT( MEMORY_STATIC );
	BIND_CONSTANT( MEMORY_DYNAMIC );
	BIND_CONSTANT( MEMORY_STATIC_MAX );
	BIND_CONSTANT( MEMORY_DYNAMIC_MAX );
	BIND_CONSTANT( MEMORY_MESSAGE_BUFFER_MAX );
	BIND_CONSTANT( OBJECT_COUNT );
	BIND_CONSTANT( OBJECT_RESOURCE_COUNT );
	BIND_CONSTANT( OBJECT_NODE_COUNT );
	BIND_CONSTANT( RENDER_OBJECTS_IN_FRAME );
	BIND_CONSTANT( RENDER_VERTICES_IN_FRAME );
	BIND_CONSTANT( RENDER_MATERIAL_CHANGES_IN_FRAME );
	BIND_CONSTANT( RENDER_SHADER_CHANGES_IN_FRAME );
	BIND_CONSTANT( RENDER_SURFACE_CHANGES_IN_FRAME );
	BIND_CONSTANT( RENDER_DRAW_CALLS_IN_FRAME );
	BIND_CONSTANT( RENDER_USAGE_VIDEO_MEM_TOTAL );
	BIND_CONSTANT( RENDER_VIDEO_MEM_USED );
	BIND_CONSTANT( RENDER_TEXTURE_MEM_USED );
	BIND_CONSTANT( RENDER_VERTEX_MEM_USED );
	BIND_CONSTANT( MONITOR_MAX );

}

String Performance::get_monitor_name(Monitor p_monitor) const {

	ERR_FAIL_INDEX_V(p_monitor,MONITOR_MAX,String());
	static const char* names[MONITOR_MAX]={

		"time/fps",
		"time/process",
		"time/fixed_process",
		"memory/static",
		"memory/dynamic",
		"memory/static_max",
		"memory/dynamic_max",
		"memory/msg_buf_max",
		"object/objects",
		"object/resources",
		"object/nodes",
		"raster/objects_drawn",
		"raster/vertices_drawn",
		"raster/mat_changes",
		"raster/shader_changes",
		"raster/surface_changes",
		"raster/draw_calls",
		"video/video_mem",
		"video/texure_mem",
		"video/vertex_mem",
		"render/mem_max"
	};

	return names[p_monitor];


}


float Performance::get_monitor(Monitor p_monitor) const {

	switch(p_monitor) {
		case TIME_FPS: return OS::get_singleton()->get_frames_per_second();
		case TIME_PROCESS: return _process_time;
		case TIME_FIXED_PROCESS: return _fixed_process_time;
		case MEMORY_STATIC: return Memory::get_static_mem_usage();
		case MEMORY_DYNAMIC: return Memory::get_dynamic_mem_usage();
		case MEMORY_STATIC_MAX: return Memory::get_static_mem_max_usage();
		case MEMORY_DYNAMIC_MAX: return Memory::get_dynamic_mem_available();
		case MEMORY_MESSAGE_BUFFER_MAX: return MessageQueue::get_singleton()->get_max_buffer_usage();
		case OBJECT_COUNT: return ObjectDB::get_object_count();
		case OBJECT_RESOURCE_COUNT: return ResourceCache::get_cached_resource_count();
		case OBJECT_NODE_COUNT: {

			MainLoop *ml = OS::get_singleton()->get_main_loop();
			if (!ml)
				return 0;
			SceneMainLoop *sml = ml->cast_to<SceneMainLoop>();
			if (!sml)
				return 0;
			return sml->get_node_count();

		};
		case RENDER_OBJECTS_IN_FRAME: return VS::get_singleton()->get_render_info(VS::INFO_OBJECTS_IN_FRAME);
		case RENDER_VERTICES_IN_FRAME: return VS::get_singleton()->get_render_info(VS::INFO_VERTICES_IN_FRAME);
		case RENDER_MATERIAL_CHANGES_IN_FRAME: return VS::get_singleton()->get_render_info(VS::INFO_MATERIAL_CHANGES_IN_FRAME);;
		case RENDER_SHADER_CHANGES_IN_FRAME: return VS::get_singleton()->get_render_info(VS::INFO_SHADER_CHANGES_IN_FRAME);;
		case RENDER_SURFACE_CHANGES_IN_FRAME: return VS::get_singleton()->get_render_info(VS::INFO_SURFACE_CHANGES_IN_FRAME);;
		case RENDER_DRAW_CALLS_IN_FRAME: return VS::get_singleton()->get_render_info(VS::INFO_DRAW_CALLS_IN_FRAME);
		case RENDER_VIDEO_MEM_USED: return VS::get_singleton()->get_render_info(VS::INFO_VIDEO_MEM_USED);
		case RENDER_TEXTURE_MEM_USED: return VS::get_singleton()->get_render_info(VS::INFO_TEXTURE_MEM_USED);
		case RENDER_VERTEX_MEM_USED: return VS::get_singleton()->get_render_info(VS::INFO_VERTEX_MEM_USED);
		case RENDER_USAGE_VIDEO_MEM_TOTAL: return VS::get_singleton()->get_render_info(VS::INFO_USAGE_VIDEO_MEM_TOTAL);
		default: {}
	}

	return 0;
}

void Performance::set_process_time(float p_pt) {

	_process_time=p_pt;
}

void Performance::set_fixed_process_time(float p_pt) {

	_fixed_process_time=p_pt;
}


Performance::Performance() {

	_process_time=0;
	_fixed_process_time=0;
	singleton=this;
}
