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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/>.
- */
-
- #include "performance-sampler.hpp"
- #include <algorithm>
- #include <numeric>
-
- performance_sampler::performance_sampler():
- sample_size(1),
- sample_index(0)
- {}
-
- void performance_sampler::sample(double duration)
- {
- if (samples.size() < sample_size)
- {
- samples.push_back(duration);
- }
- else
- {
- samples[sample_index] = duration;
- sample_index = (sample_index + 1) % samples.size();
- }
- }
-
- void performance_sampler::reset()
- {
- samples.clear();
- sample_index = 0;
- }
-
- void performance_sampler::set_sample_size(std::size_t size)
- {
- sample_size = size;
- if (samples.size() > size)
- {
- samples.resize(size);
- sample_index = 0;
- }
- }
-
- double performance_sampler::mean_frame_duration() const
- {
- return std::accumulate(samples.begin(), samples.end(), 0.0) / static_cast<double>(samples.size());
- }
-
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