move uidev to workspace root

uidev/src/profiler.rs

@@ -0,0 +1,49 @@
+use std::{sync::LazyLock, time::Instant};
+
+static TIME_START: LazyLock<Instant> = LazyLock::new(Instant::now);
+
+pub fn get_micros() -> u64 {
+	TIME_START.elapsed().as_micros() as u64
+}
+
+pub struct Profiler {
+	interval_us: u64,
+	last_measure_us: u64,
+	frametime_sum_us: u64,
+	measure_frames: u64,
+	time_start_us: u64,
+}
+
+impl Profiler {
+	pub fn new(interval_ms: u64) -> Self {
+		Self {
+			frametime_sum_us: 0,
+			interval_us: interval_ms * 1000,
+			last_measure_us: 0,
+			measure_frames: 0,
+			time_start_us: 0,
+		}
+	}
+
+	pub fn start(&mut self) {
+		self.time_start_us = get_micros();
+	}
+
+	pub fn end(&mut self) {
+		let cur_micros = get_micros();
+
+		let frametime = cur_micros - self.time_start_us;
+		self.measure_frames += 1;
+		self.frametime_sum_us += frametime;
+
+		if self.last_measure_us + self.interval_us < cur_micros {
+			log::debug!(
+				"avg frametime: {:.3}ms",
+				(self.frametime_sum_us / self.measure_frames) as f32 / 1000.0
+			);
+			self.last_measure_us = cur_micros;
+			self.frametime_sum_us = 0;
+			self.measure_frames = 0;
+		}
+	}
+}