From: Brian Furtaw (brian++at++sgi.com)
Date: 06/13/2001 03:38:20
Try using the NoPort pfPipeWindow method.
static pfWindow* pfWindow::openNewNoPort(const char *name, int
screen);
That may keep the black window from coming up.
Brian
Allen Bierbaum wrote:
>
> I have an application where I don't know the complete window
> configuration at startup. As such I just get handles to all the
> pfPipe's that I could use in the system and then I add pfPipeWindow's
> later while the application is running.
>
> This works except for one major problem.
>
> If I have a pfPipe that I have allocated but not assigned any
> pfPipeWindows, then Performer pulls up a big black window on that pipe
> at what I assume to be the first pfFrame() call. I am assuming that
> this is Performer automatically allocating a pfPipeWindow (and
> associated channel) for the pfPipe that has none assigned.
>
> So my questions are these:
>
> - Is there any way to keep the "black window" from coming up?
> - If not, is there any way to automatically remove it when I actually
> assign a pfPipeWindow to that pipe.
>
> On a related note, it would be really nice if I didn't have to even know
> (at application startup) the pfPipes I wanted to use. I would like to
> be able to grab a new pfPipe while an application is actually running.
> But from some test I have run I don't think that is possible in the
> current version of Performer.
>
> -Allen
> --
>
> Allen Bierbaum
> ISU -- Virtual Reality Applications Lab
> Research Assistant
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