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Changed: Simplify more

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kaetemi 2012-07-27 22:49:17 +02:00
parent 6404f8eafa
commit 555336bbea
2 changed files with 21 additions and 32 deletions
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8
code/nel/include/nel/misc/time_nl.h
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@ -84,16 +84,10 @@ public:
* the value can jump backwards if the system time is changed by a user or a NTP time sync process. * the value can jump backwards if the system time is changed by a user or a NTP time sync process.
* The value is different on 2 different computers; use the CUniTime class to get a universal * The value is different on 2 different computers; use the CUniTime class to get a universal
* time that is the same on all computers. * time that is the same on all computers.
* \warning On Win32, the value is on 32 bits only, and uses the low-res timer. It wraps around to 0 every about 49.71 days. * \warning On Win32, the value is on 32 bits only, and uses the low-res timer unless probeTimerInfo was called and a high resolution timer can be used. It wraps around to 0 every about 49.71 days.
*/ */
static TTime getLocalTime(); static TTime getLocalTime();
/** Same as getLocalTime, but prefers high resolution timers.
* Must call probe once in the beginning of the application before using,
* to ensure the correct settings are applied.
*/
static TTime getLocalTimeHR();
/** Return the time in processor ticks. Use it for profile purpose. /** Return the time in processor ticks. Use it for profile purpose.
* If the performance time is not supported on this hardware, it returns 0. * If the performance time is not supported on this hardware, it returns 0.
* \warning On a multiprocessor system, the value returned by each processor may * \warning On a multiprocessor system, the value returned by each processor may

45
code/nel/src/misc/time_nl.cpp
View file

@ -242,9 +242,28 @@ TTime CTime::getLocalTime ()
//else //else
//{ //{
// This is not affected by system time changes. But it cycles every 49 days. // This is not affected by system time changes. But it cycles every 49 days.
return timeGetTime(); // return timeGetTime(); // Only this was left active before it was commented.
//} //}
/*
* The above is no longer relevant.
*/
if (a_HaveQueryPerformance)
{
// On a (fast) 15MHz timer this rolls over after 7000 days.
// If my calculations are right.
LARGE_INTEGER counter;
QueryPerformanceCounter(&counter);
counter.QuadPart *= (LONGLONG)1000L;
counter.QuadPart /= a_QueryPerformanceFrequency.QuadPart;
}
else
{
// Use default reliable low resolution timer.
return getLocalTime();
}
#elif defined (NL_OS_UNIX) #elif defined (NL_OS_UNIX)
static bool initdone = false; static bool initdone = false;
@ -301,30 +320,6 @@ TTime CTime::getLocalTime ()
#endif #endif
} }
/// Same as above but prefer high resolution timer
TTime CTime::getLocalTimeHR()
{
#ifdef NL_OS_WINDOWS
if (a_HaveQueryPerformance)
{
// On a (fast) 15MHz timer this rolls over after 7000 days.
// If my calculations are right.
LARGE_INTEGER counter;
QueryPerformanceCounter(&counter);
counter.QuadPart *= (LONGLONG)1000L;
counter.QuadPart /= a_QueryPerformanceFrequency.QuadPart;
}
else
{
// Use default reliable low resolution timer.
return getLocalTime();
}
#else
// Other OS always use the best available high resolution timer.
return getLocalTime();
#endif
}
/* Return the time in processor ticks. Use it for profile purpose. /* Return the time in processor ticks. Use it for profile purpose.
* If the performance time is not supported on this hardware, it returns 0. * If the performance time is not supported on this hardware, it returns 0.
* \warning On a multiprocessor system, the value returned by each processor may * \warning On a multiprocessor system, the value returned by each processor may