Hi Cory,

I'll have to defer to others on the situation under Windows when doing
remote desktop.  My guess is that it's likely to be a driver issue.

Robert.

On Sat, Jan 31, 2009 at 3:27 PM, Cory Riddell <[email protected]> wrote:
> I'm not sure about vysync. I'll look that up and check it.
>
> I thought about the possibility of it being a debug build and I don't think
> that's it. In my bin directory I have osgviewer.exe at 25,600 bytes and
> osgviewerd.exe at 81,920 bytes. Both executables give me the same CPU
> pegging behavior (as observed by SysInternals Process Explorer).
>
> My command line is "osgviewer.exe --window 100 100 200 200 cessna.osg". My
> video card is an ATI FireGL V7700 and the drivers are up to date.
>
> Ah- I just noticed something-- an error message:
> Windows Error #127: [Screen #0] ChooseMatchingPixelFormat() -
> wglChoosePixelFormatARB extension not found, trying GDI. Reason: The
> specified procedure could not be found.
>
> I'm running over remote desktop right now, so perhaps that's related. I
> don't recall seeing this error message before.
>
> Cory
>
> On Sat, Jan 31, 2009 at 3:54 AM, Robert Osfield <[email protected]>
> wrote:
>>
>> Hi Cory,
>>
>> It's not normal to have this high level of CPU usage for this model,
>> the expceptions to this would be:
>>
>>    You have vysync switched off, so the app is racing as fast it can
>> to dispatch frames
>>    You've compiled the OSG with debug build.
>>
>> Robert.
>>
>> On Fri, Jan 30, 2009 at 8:36 PM, Cory Riddell <[email protected]> wrote:
>> > When I run the osg viewer app and load just about any osg file (like
>> > cesna.osg), my CPU usage is a constant 23% - 30%. This is with no
>> > interaction, it is basically using an entire CPU core. Fortunatelly I
>> > have a
>> > 4 core machine, so it hasn't been a problem so far, but I'm wondering
>> > what
>> > this means for single core machines (which most of our customers have).
>> >
>> > Is this typical?
>> >
>> > Cory
>> >
>> > _______________________________________________
>> > osg-users mailing list
>> > [email protected]
>> >
>> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>> >
>> >
>> _______________________________________________
>> osg-users mailing list
>> [email protected]
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
>
> _______________________________________________
> osg-users mailing list
> [email protected]
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
>
_______________________________________________
osg-users mailing list
[email protected]
http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Reply via email to