I want to know how can I use performanceCounter to measure fraterate . I am not able to figureout exactly what does osg::getPerfCounter() and osg::getPerfCounterFreq give me .
-shailesh On Tue, 30 Mar 2004 Gerrit Voss wrote : > >Hi, > >On Tue, 2004-03-30 at 17:14, Manfred Weiler wrote: > > Hi > > > > > > I am making a routine for measuring the framerate in an opensg > > > > application . > > > > For that I needed to have a time-measuring tool which can measure the > > > > time precisely . > > > > > > > > Does someone know any libraries/function/class for this . > > > > Also if someone has earlier done anything like that I will be glad if > > > > he can help me . > > > > > > depends a little bit on your operating system ;-), for windows there is > > > getPerfCounter and getPerfCounterFreq found in OSGTime.h which should be > > > pretty ok. If you need a different OS please let me know and I see if I > > > can add it. > > > > I'm a little surprised that this functionality isn't part of the core > > OSG library since timings should be one of the first things in comparing > > OSG to other scenegraphs. > >well yes and no, for frame times most of the normal timers are ok, and >at the time I did most of my fine grained timings I used Windows, that's >why there the performaceCounter is implemented. Sometimes the problem is >that this code is so small that you are tempt to use it without ever >integrating it properly. Otherwise you often revert to profilers before >actually adding your own timing code. > > > BTW. Isn't the StatisticForeground doing some measurements as well? > > How does this work? > >I guess just the normal system time. > >regards, > gerrit > > > > >------------------------------------------------------- >This SF.Net email is sponsored by: IBM Linux Tutorials >Free Linux tutorial presented by Daniel Robbins, President and CEO of >GenToo technologies. Learn everything from fundamentals to system >administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click >_______________________________________________ >Opensg-users mailing list >[email protected] >https://lists.sourceforge.net/lists/listinfo/opensg-users
