Hi dirk!

After a lot of other works i came back to my original problem:
Drawing the shadow map viewport with stereo buffer ports.

Is it possible to mix the two buffers AND my shadow map in just one window?
(something like:
Win->addport (sx);
Win->addport (dx);
Win->addport (svp);
)

About all hack solutions that you suggested: is there an example of such a
thing? Just to have some hints about the steps to take.

Thank you,
enrico

-----Messaggio originale-----
Da: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Per conto di Dirk Reiners
Inviato: martedì 21 marzo 2006 23.25
A: users
Oggetto: Re: [Opensg-users] shadowmap viewport and stereo.


        Hi Enrico,

On Tue, 2006-03-21 at 09:34 +0100, Enrico Borrione wrote:
> Hi all,
> 
> I have started using a shadowmap viewport in 
> My application and after some struggles it
> Began to work as I wished.

OK, great. You will like the changes that are being checked in right
now, they improve shadow quality quite a bit.

> 
> Now I was thinking about upgrading my work, putting into
> service the very same shadow system in stereo mode.
>
> What confuses me is how to use a shadowmap viewport 
> with two other StereoBufferViewportPtr.Should
> i have to bind a shadow map to both the stereo viewports?
> Or just one shadowmap, as the shadow is just 2D and not 
> really changing from point of view to point of view?

Yeah, that's a problem. The ShadowMapViewport is a bit of a hack,
Shadows really belong in the light sources and in the scene graph.

I don't see a trivial solution. You can either (in increasing order of
difficulty) draw viewports individually (do a mgr->getNavigator
().updateCameraTransformation() and cut-n-paste from Window::render()
and Window::renderAllViewports()), or add a StereobufferBackground or
create a BufferStateChunk.

Hope it helps

        Dirk




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