feat: time tracking added

main.cpp

@@ -7,6 +7,7 @@
 #include <QImage>
 #include <QLabel>
 #include <QPixmap>
+#include <chrono>
 #include <functional>
 #include <math.h>
 #include <stdio.h>
@@ -77,7 +78,17 @@ int main(int argc, char *argv[]) {
     polygon poly =
         polygon(vec3(0.9, 0.9, 1.0), vec3(0.5, 0.1, 1.0), vec3(0.1, 0.9, 1.0));
 
+    std::chrono::steady_clock::time_point begin =
+        std::chrono::steady_clock::now();
     renderer.render(&testModel);
+    std::chrono::steady_clock::time_point end =
+        std::chrono::steady_clock::now();
+
+    std::cout << "Time difference = "
+              << std::chrono::duration_cast<std::chrono::milliseconds>(end -
+                                                                       begin)
+                     .count()
+              << "[ms]" << std::endl;
     QApplication a(argc, argv);
 
     uint8_t *pixel = new uint8_t[64 * 64 * 3];