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- /*
- * Copyright (C) 2020 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
-
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