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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FRAMERATE_GUI_H
#define FRAMERATE_GUI_H
#include "stdafx.h"
#include "core/enum_type.hpp"
enum PerformanceElement {
PFE_FIRST = 0,
PFE_GAMELOOP = 0, ///< Speed of gameloop processing.
PFE_GL_ECONOMY, ///< Time spent processing cargo movement
PFE_GL_TRAINS, ///< Time spent processing trains
PFE_GL_ROADVEHS, ///< Time spend processing road vehicles
PFE_GL_SHIPS, ///< Time spent processing ships
PFE_GL_AIRCRAFT, ///< Time spent processing aircraft
PFE_GL_LANDSCAPE, ///< Time spent processing other world features
PFE_GL_LINKGRAPH, ///< Time spent waiting for link graph background jobs
PFE_DRAWING, ///< Speed of drawing world and GUI.
PFE_DRAWWORLD, ///< Time spent drawing world viewports in GUI
PFE_VIDEO, ///< Speed of painting drawn video buffer.
PFE_SOUND, ///< Speed of mixing audio samples
PFE_MAX, ///< End of enum, must be last.
};
DECLARE_POSTFIX_INCREMENT(PerformanceElement)
typedef uint64 TimingMeasurement;
/**
* RAII class for measuring simple elements of performance.
* Construct an object with the appropriate element parameter when processing begins,
* time is automatically taken when the object goes out of scope again.
*/
class PerformanceMeasurer {
PerformanceElement elem;
TimingMeasurement start_time;
public:
PerformanceMeasurer(PerformanceElement elem);
~PerformanceMeasurer();
void SetExpectedRate(double rate);
static void Paused(PerformanceElement elem);
};
/**
* RAII class for measuring multi-step elements of performance.
* At the beginning of a frame, call Reset on the element, then construct an object in the scope where
* each processing cycle happens. The measurements are summed between resets.
*/
class PerformanceAccumulator {
PerformanceElement elem;
TimingMeasurement start_time;
public:
PerformanceAccumulator(PerformanceElement elem);
~PerformanceAccumulator();
static void Reset(PerformanceElement elem);
};
void ShowFramerateWindow();
#endif /* FRAMERATE_GUI_H */
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