41 lines
845 B
C++
41 lines
845 B
C++
// File: crn_win32_timer.h
|
|
// See Copyright Notice and license at the end of inc/crnlib.h
|
|
#pragma once
|
|
|
|
namespace crnlib
|
|
{
|
|
typedef uint64 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;
|
|
uint64 get_elapsed_us() const;
|
|
|
|
static void init();
|
|
static timer_ticks get_init_ticks();
|
|
static timer_ticks get_ticks();
|
|
static double ticks_to_secs(timer_ticks ticks);
|
|
|
|
private:
|
|
static uint64 g_init_ticks;
|
|
static uint64 g_freq;
|
|
static double g_inv_freq;
|
|
|
|
uint64 m_start_time;
|
|
uint64 m_stop_time;
|
|
|
|
bool m_started : 1;
|
|
bool m_stopped : 1;
|
|
};
|
|
|
|
} // namespace crnlib
|