Hi Wojtek, Could you try other machines with different OS/OpenGL drivers/hardware to see if the problem happens elsewhere.
Robert. On Fri, Feb 15, 2008 at 11:57 AM, Wojciech Lewandowski <[EMAIL PROTECTED]> wrote: > Hi Robert, > > We noticed another issue. When statistics bars are on - framerate slowly > degrades. This happens with osgviewer dumptruck.osg for example. When stats > are on draw time slowly grows and framerate starts to decrease. > > Tested with latest svn (2.3.4), windows xp & vista, OSG built with VS 2008. > > Regards, > Wojtek > > > > > ----- Original Message ----- > From: "Robert Osfield" <[EMAIL PROTECTED]> > To: "OpenSceneGraph Users" <osg-users@lists.openscenegraph.org> > Sent: Friday, February 15, 2008 11:57 AM > Subject: Re: [osg-users] Framerate vs stats? > > > Hi J-S, > > On screen stats adds extra compute and GPU load to the rendering of > the frame, so one would expect it reduce rather than enhance frame > rate. The fact that you have an instance where the reverse happens > suggest something odd happening with the OpenGL driver - something > like is given the boot when the OpenGL data that the OSG send changes > slightly. Try other things to jolt the driver by toggle texturing or > lighting to see what happens. > > Robert. > > On Mon, Feb 4, 2008 at 3:31 PM, Jean-Sébastien Guay > <[EMAIL PROTECTED]> wrote: > > Hello all, > > > > I'm seeing something peculiar in one of our apps using OSG 2.2, and I > > was wondering if someone else had seen something like this or would have > > an idea what would cause it. > > > > The app starts and seems sluggish. Pressing 's' once shows it's running > > at around 15-20 FPS. But then, if I press 's' a second time, the > > framerate shoots up to >75 FPS (capped by my refresh rate) and the app > > is suddenly very smooth. And it stays like that too (I can hide the > > stats again or whatever, it has no significant effect on the frame rate). > > > > So, what could cause this? Why would showing the detailed stats screen > > have that effect? I've seen cases where showing detailed stats _slowed_ > > the frame rate, but this is the first time it makes it faster! > > > > Thanks in advance, > > > > J-S > > > > -- > > ______________________________________________________ > > Jean-Sebastien Guay [EMAIL PROTECTED] > > http://www.cm-labs.com/ > > http://whitestar02.webhop.org/ > > > > _______________________________________________ > > osg-users mailing list > > osg-users@lists.openscenegraph.org > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
