// File: timer.h | |
#pragma once | |
typedef unsigned long long timer_ticks; | |
class timer | |
{ | |
public: | |
timer(); | |
timer(timer_ticks start_ticks); | |
void start(); | |
void start(timer_ticks start_ticks); | |
void stop(); | |
double get_elapsed_secs() const; | |
inline double get_elapsed_ms() const { return get_elapsed_secs() * 1000.0f; } | |
timer_ticks get_elapsed_us() const; | |
static void init(); | |
static inline timer_ticks get_ticks_per_sec() { return g_freq; } | |
static timer_ticks get_init_ticks(); | |
static timer_ticks get_ticks(); | |
static double ticks_to_secs(timer_ticks ticks); | |
static inline double ticks_to_ms(timer_ticks ticks) { return ticks_to_secs(ticks) * 1000.0f; } | |
static inline double get_secs() { return ticks_to_secs(get_ticks()); } | |
static inline double get_ms() { return ticks_to_ms(get_ticks()); } | |
private: | |
static timer_ticks g_init_ticks; | |
static timer_ticks g_freq; | |
static double g_inv_freq; | |
timer_ticks m_start_time; | |
timer_ticks m_stop_time; | |
bool m_started : 1; | |
bool m_stopped : 1; | |
}; |