It worked!
many many thanks Akos :-)
Il mar, 2005-07-05 alle 17:01, Akos Balazs ha scritto:
> Hi Enrico,
>
> On Tue, 5 Jul 2005, Enrico Borrione wrote:
>
> > Hi Akos, thanks for your hints, I am struggling now to make a small
> > OpenGL blended quad appear over my OpenSG application, but with little
> > results. Simply it seems like my opengl code is utterly ignored. I know
> > that the program passed in the opengl routines cause i hid some printfs
> > inside the function. My code, in the cluster servers looks like (i
> > cannibalized the 12ClusterServer.cpp file):
> >
> > void myglfunc ()
> > {
> [...]
> > }
> >
> > void display()
> > {
> > // receive scenegraph and do rendering
> > server->render(ract);
>
> AFAIK this will sync, render _and_ swap buffers. What you need instead is
> the last line is:
>
> server->doSync(false);
> server->doRender(ract);
> myglfunc();
> server->doSwap();
> // clear changelist from prototypes
> OSG::Thread::getCurrentChangeList()->clearAll();
>
>
> I don't remember why the 'false' parameter is there in the first call, and
> I don't quite understand the online docs at this point, but it has worked
> for me, YMMV. :-) Keep in mind that I use rather old OpenSG versions on my
> clusters, I don't know how much this part has changed. If the above still
> doesn't work for you, maybe Marcus can step in to help.
>
> Hope this helps,
> Akos
>
>
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