diff options
Diffstat (limited to 'src/core/perf_stats.cpp')
-rw-r--r-- | src/core/perf_stats.cpp | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/src/core/perf_stats.cpp b/src/core/perf_stats.cpp index 29339ead7..b899ac884 100644 --- a/src/core/perf_stats.cpp +++ b/src/core/perf_stats.cpp @@ -74,15 +74,16 @@ void PerfStats::EndGameFrame() { game_frames += 1; } -double PerfStats::GetMeanFrametime() { +double PerfStats::GetMeanFrametime() const { std::lock_guard lock{object_mutex}; if (current_index <= IgnoreFrames) { return 0; } + const double sum = std::accumulate(perf_history.begin() + IgnoreFrames, perf_history.begin() + current_index, 0.0); - return sum / (current_index - IgnoreFrames); + return sum / static_cast<double>(current_index - IgnoreFrames); } PerfStatsResults PerfStats::GetAndResetStats(microseconds current_system_time_us) { @@ -94,12 +95,13 @@ PerfStatsResults PerfStats::GetAndResetStats(microseconds current_system_time_us const auto system_us_per_second = (current_system_time_us - reset_point_system_us) / interval; - PerfStatsResults results{}; - results.system_fps = static_cast<double>(system_frames) / interval; - results.game_fps = static_cast<double>(game_frames) / interval; - results.frametime = duration_cast<DoubleSecs>(accumulated_frametime).count() / - static_cast<double>(system_frames); - results.emulation_speed = system_us_per_second.count() / 1'000'000.0; + const PerfStatsResults results{ + .system_fps = static_cast<double>(system_frames) / interval, + .game_fps = static_cast<double>(game_frames) / interval, + .frametime = duration_cast<DoubleSecs>(accumulated_frametime).count() / + static_cast<double>(system_frames), + .emulation_speed = system_us_per_second.count() / 1'000'000.0, + }; // Reset counters reset_point = now; @@ -111,7 +113,7 @@ PerfStatsResults PerfStats::GetAndResetStats(microseconds current_system_time_us return results; } -double PerfStats::GetLastFrameTimeScale() { +double PerfStats::GetLastFrameTimeScale() const { std::lock_guard lock{object_mutex}; constexpr double FRAME_LENGTH = 1.0 / 60; |