From 92c8bd4b1f650438274e50303a6d3f668924d071 Mon Sep 17 00:00:00 2001 From: Yuri Kunde Schlesner Date: Sun, 19 Feb 2017 18:18:26 -0800 Subject: PerfStats: Add method to get the instantaneous time ratio --- src/core/perf_stats.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'src/core/perf_stats.h') diff --git a/src/core/perf_stats.h b/src/core/perf_stats.h index 566a1419a..8a03c511a 100644 --- a/src/core/perf_stats.h +++ b/src/core/perf_stats.h @@ -30,11 +30,19 @@ public: Results GetAndResetStats(u64 current_system_time_us); + /** + * Gets the ratio between walltime and the emulated time of the previous system frame. This is + * useful for scaling inputs or outputs moving between the two time domains. + */ + double GetLastFrameTimeScale(); + private: Clock::time_point reset_point = Clock::now(); - Clock::time_point frame_begin; + Clock::time_point frame_begin = reset_point; + Clock::time_point previous_frame_end = reset_point; Clock::duration accumulated_frametime = Clock::duration::zero(); + Clock::duration previous_frame_length = Clock::duration::zero(); u64 reset_point_system_us = 0; u32 system_frames = 0; u32 game_frames = 0; -- cgit v1.2.3