diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/perf_stats.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/core/perf_stats.cpp b/src/core/perf_stats.cpp index 6d9e603e4..8d9e521a3 100644 --- a/src/core/perf_stats.cpp +++ b/src/core/perf_stats.cpp @@ -6,6 +6,9 @@ #include "core/hw/gpu.h" #include "core/perf_stats.h" +using DoubleSecs = std::chrono::duration<double, std::chrono::seconds::period>; +using std::chrono::duration_cast; + namespace Core { void PerfStats::BeginSystemFrame() { @@ -16,6 +19,9 @@ void PerfStats::EndSystemFrame() { auto frame_end = Clock::now(); accumulated_frametime += frame_end - frame_begin; system_frames += 1; + + previous_frame_length = frame_end - previous_frame_end; + previous_frame_end = frame_end; } void PerfStats::EndGameFrame() { @@ -23,9 +29,6 @@ void PerfStats::EndGameFrame() { } PerfStats::Results PerfStats::GetAndResetStats(u64 current_system_time_us) { - using DoubleSecs = std::chrono::duration<double, std::chrono::seconds::period>; - using std::chrono::duration_cast; - auto now = Clock::now(); // Walltime elapsed since stats were reset auto interval = duration_cast<DoubleSecs>(now - reset_point).count(); @@ -50,4 +53,9 @@ PerfStats::Results PerfStats::GetAndResetStats(u64 current_system_time_us) { return results; } +double PerfStats::GetLastFrameTimeScale() { + constexpr double FRAME_LENGTH = 1.0 / GPU::SCREEN_REFRESH_RATE; + return duration_cast<DoubleSecs>(previous_frame_length).count() / FRAME_LENGTH; +} + } // namespace Core |