Adding basic texture fragment shader kernel

OpenWindow/main.cpp

@@ -78,7 +78,10 @@ void CALLBACK FixedUpdate(HWND hwnd, UINT message, UINT uInt, DWORD dWord)
 	TIME += 0.167;
 	HandleButtonPressed();
 	camera.ApplyChanges();
+	clock_t start = clock();
 	render();
+	clock_t end = clock();
+	printf("FPS: %f\n", 1/((float)(end-start)/CLOCKS_PER_SEC));
 	Update();
 }