Add timer

src/timer.cpp

@@ -0,0 +1,18 @@
+#include "timer.h"
+
+void timer_start() {
+	s_timer.isRunning = true;
+	s_timer.startTime = std::chrono::high_resolution_clock::now();
+}
+
+void timer_stop() {
+	s_timer.isRunning = false;
+	s_timer.endTime   = std::chrono::high_resolution_clock::now();
+}
+
+float timer_get() {
+	std::chrono::duration<float> duration =
+		std::chrono::high_resolution_clock::now() - s_timer.startTime;
+	return duration.count();
+}
+

src/timer.h

@@ -0,0 +1,20 @@
+#ifndef TIMER_H
+#define TIMER_H
+
+#include <atomic>
+#include <chrono>
+
+struct Timer {
+	std::chrono::time_point<std::chrono::high_resolution_clock> startTime;
+	std::chrono::time_point<std::chrono::high_resolution_clock> endTime;
+
+	bool isRunning = false;
+};
+
+static Timer s_timer;
+
+void  timer_start();
+void  timer_stop();
+float timer_get();
+
+#endif