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68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
6 years ago
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/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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#ifndef FRAMERATE_GUI_H
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#define FRAMERATE_GUI_H
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#include "stdafx.h"
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#include "core/enum_type.hpp"
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enum PerformanceElement {
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PFE_FIRST = 0,
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PFE_GAMELOOP = 0, ///< Speed of gameloop processing.
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PFE_GL_ECONOMY, ///< Time spent processing cargo movement
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PFE_GL_TRAINS, ///< Time spent processing trains
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PFE_GL_ROADVEHS, ///< Time spend processing road vehicles
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PFE_GL_SHIPS, ///< Time spent processing ships
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PFE_GL_AIRCRAFT, ///< Time spent processing aircraft
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PFE_GL_LANDSCAPE, ///< Time spent processing other world features
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PFE_GL_LINKGRAPH, ///< Time spent waiting for link graph background jobs
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PFE_DRAWING, ///< Speed of drawing world and GUI.
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PFE_DRAWWORLD, ///< Time spent drawing world viewports in GUI
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PFE_VIDEO, ///< Speed of painting drawn video buffer.
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PFE_SOUND, ///< Speed of mixing audio samples
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PFE_MAX, ///< End of enum, must be last.
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};
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DECLARE_POSTFIX_INCREMENT(PerformanceElement)
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typedef uint64 TimingMeasurement;
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/**
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* RAII class for measuring simple elements of performance.
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* Construct an object with the appropriate element parameter when processing begins,
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* time is automatically taken when the object goes out of scope again.
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*/
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class PerformanceMeasurer {
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PerformanceElement elem;
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TimingMeasurement start_time;
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public:
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PerformanceMeasurer(PerformanceElement elem);
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~PerformanceMeasurer();
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void SetExpectedRate(double rate);
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static void Paused(PerformanceElement elem);
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};
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/**
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* RAII class for measuring multi-step elements of performance.
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* At the beginning of a frame, call Reset on the element, then construct an object in the scope where
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* each processing cycle happens. The measurements are summed between resets.
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*/
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class PerformanceAccumulator {
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PerformanceElement elem;
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TimingMeasurement start_time;
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public:
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PerformanceAccumulator(PerformanceElement elem);
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~PerformanceAccumulator();
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static void Reset(PerformanceElement elem);
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};
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void ShowFramerateWindow();
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#endif /* FRAMERATE_GUI_H */
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