Function GetPerformanceTimer

src/framerate_gui.cpp:236–240

* Return a timestamp with \c TIMESTAMP_PRECISION ticks per second precision. * The basis of the timestamp is implementation defined, but the value should be steady, * so differences can be taken to reliably measure intervals. */

 * so differences can be taken to reliably measure intervals.
 */
static TimingMeasurement GetPerformanceTimer()
{
	using namespace std::chrono;
	return (TimingMeasurement)time_point_cast<microseconds>(high_resolution_clock::now()).time_since_epoch().count();
}


/**