💿🐜 Antkeeper source code https://antkeeper.com
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/*
* Copyright (C) 2021 Christopher J. Howard
*
* This file is part of Antkeeper source code.
*
* Antkeeper source code 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, either version 3 of the License, or
* (at your option) any later version.
*
* Antkeeper source code 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 Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ANTKEEPER_PERFORMANCE_SAMPLER_HPP
#define ANTKEEPER_PERFORMANCE_SAMPLER_HPP
#include <cstdlib>
#include <vector>
/**
* Measures a rolling mean frame duration.
*/
class performance_sampler
{
public:
/// Creates a performance sampler.
performance_sampler();
/**
* Adds a frame duration to the sample.
*
* @param duration Duration of the frame.
*/
void sample(double duration);
/**
* Resets the sampling process.
*/
void reset();
/**
* Sets the number of frames in a sample.
*
* @param size Number of frames in a sample.
*/
void set_sample_size(std::size_t size);
/**
* Returns the mean frame duration.
*/
double mean_frame_duration() const;
private:
std::vector<double> samples;
std::size_t sample_size;
std::size_t sample_index;
};
#endif // ANTKEEPER_PERFORMANCE_SAMPLER_HPP