core_timing: Make GetGlobalTimeUs() return std::chrono::microseconds

Enforces the time unit being returned and also allows using the standard
time utilities to manipulate it.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/core/perf_stats.h b/src/core/perf_stats.h
index 362b205c8..6e4619701 100644
--- a/src/core/perf_stats.h
+++ b/src/core/perf_stats.h
@@ -33,7 +33,7 @@ public:
     void EndSystemFrame();
     void EndGameFrame();
 
-    Results GetAndResetStats(u64 current_system_time_us);
+    Results GetAndResetStats(std::chrono::microseconds current_system_time_us);
 
     /**
      * Gets the ratio between walltime and the emulated time of the previous system frame. This is
@@ -47,7 +47,7 @@ private:
     /// Point when the cumulative counters were reset
     Clock::time_point reset_point = Clock::now();
     /// System time when the cumulative counters were reset
-    u64 reset_point_system_us = 0;
+    std::chrono::microseconds reset_point_system_us{0};
 
     /// Cumulative duration (excluding v-sync/frame-limiting) of frames since last reset
     Clock::duration accumulated_frametime = Clock::duration::zero();
@@ -68,11 +68,11 @@ class FrameLimiter {
 public:
     using Clock = std::chrono::high_resolution_clock;
 
-    void DoFrameLimiting(u64 current_system_time_us);
+    void DoFrameLimiting(std::chrono::microseconds current_system_time_us);
 
 private:
     /// Emulated system time (in microseconds) at the last limiter invocation
-    u64 previous_system_time_us = 0;
+    std::chrono::microseconds previous_system_time_us{0};
     /// Walltime at the last limiter invocation
     Clock::time_point previous_walltime = Clock::now();