On Fri, 2011-04-29 at 08:57 +0300, ext Tapani Pälli wrote: > On Fri, 2011-04-29 at 13:49 +0800, ext Zhao, Juan J wrote: > > On Fri, 2011-04-29 at 08:33 +0300, Tapani Pälli wrote: > > > Measuring fps : > > > https://gitorious.org/swaplogger/ > > > > > > > > Good point. I am also working on this now. But I have some concerns > > about this measuring method. > > It uses XDamageNotify to calculate the frame rate. The base idea is the > > same as what we used named "VideoPerf". > > As I know composite window manager also use XDamageNotify to process the > > composite and redrawing the window. > > I'm afraid this may load performance drop. > > I run that perf tool to test glxgears and QGears on my desktop(the > > graphcs is NV's). glxgears dropped about 40%. But QGears has the same > > framerate. > > Do you investigate this point before? Any comments? > > If you want to measure desktop GL composited video then I'm afraid you > need to extend swaplogger, it only supports EGL and legacy X at the > moment so I'm afraid as it is it might not be suitable for this but > could be extended. I'm not sure now what is your use case, is it overlay > video, textured video and is it composited or not direct rendered?
doh, I meant here composited or direct rendered :) > // Tapani > > > _______________________________________________ > MeeGo-dev mailing list > [email protected] > http://lists.meego.com/listinfo/meego-dev > http://wiki.meego.com/Mailing_list_guidelines // Tapani _______________________________________________ MeeGo-dev mailing list [email protected] http://lists.meego.com/listinfo/meego-dev http://wiki.meego.com/Mailing_list_guidelines
