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Microsecond handling was totally wrong. We didn't use it until now so it

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wasn't causing trouble.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3141 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2004-10-15 22:22:37 +00:00
parent d666c75460
commit 96677211f6
1 changed files with 11 additions and 10 deletions
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src/java/com/threerings/media/timer/PerfTimer.java
+11 -10
View File
@@ -1,5 +1,5 @@
// //
// $Id: PerfTimer.java,v 1.2 2004/08/27 02:12:46 mdb Exp $ // $Id: PerfTimer.java,v 1.3 2004/10/15 22:22:37 mdb Exp $
// //
// Narya library - tools for developing networked games // Narya library - tools for developing networked games
// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved // Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
@@ -33,28 +33,29 @@ public class PerfTimer implements MediaTimer
public PerfTimer () public PerfTimer ()
{ {
_timer = Perf.getPerf(); _timer = Perf.getPerf();
_frequency = _timer.highResFrequency(); _mfrequency = _timer.highResFrequency() / 1000;
_startStamp = _timer.highResCounter() * 1000 / _frequency; _ufrequency = _timer.highResFrequency() / 1000000;
Log.info("Using high performance timer [freq=" + _frequency + _startStamp = _timer.highResCounter();
", start=" + _startStamp + "]."); Log.info("Using high performance timer [mfreq=" + _mfrequency +
", ufreq=" + _ufrequency + ", start=" + _startStamp + "].");
} }
// documentation inherited from interface // documentation inherited from interface
public void reset () public void reset ()
{ {
_startStamp = _timer.highResCounter() * 1000 / _frequency; _startStamp = _timer.highResCounter();
} }
// documentation inherited from interface // documentation inherited from interface
public long getElapsedMillis () public long getElapsedMillis ()
{ {
return _timer.highResCounter() * 1000 / _frequency; return (_timer.highResCounter() - _startStamp) / _mfrequency;
} }
// documentation inherited from interface // documentation inherited from interface
public long getElapsedMicros () public long getElapsedMicros ()
{ {
return _timer.highResCounter() * 100 / _frequency; return (_timer.highResCounter() - _startStamp) / _ufrequency;
} }
/** A performance timer object. */ /** A performance timer object. */
@@ -63,6 +64,6 @@ public class PerfTimer implements MediaTimer
/** The time at which this timer was last reset. */ /** The time at which this timer was last reset. */
protected long _startStamp; protected long _startStamp;
/** The timer frequency. */ /** The timer frequencies. */
protected long _frequency; protected long _mfrequency, _ufrequency;
} }