Hi, Carsten,
yeah, we have a large codebase;
Maybe we have to reconstruct our code...
Thanks anyway.
2009/6/15 Carsten Neumann <[email protected]>
> Hello Jie Liu,
>
> Jie Liu wrote:
> > We have a complicated OpenGL program based on GLUT, and now we would
> > like to run it in a Tiled-display environment;
> >
> > We found that OpenSG Multi-Display Window is quite qualified for this
> task,
> > but it is a chanllenging job to re-construct our existing code by using
> > OpenSG features.
>
> hm, do you have a problem with something specific, or is it just a big
> task because of the size of your codebase?
>
> > In another case, It seems that the 'PassiveWindow' allows out OpenGL
> > program to work with OpenSG with only few modifications.
> > But it only works on a single machine.
>
> PassiveWindow is not so much about running arbitrary OpenGL code inside
> OpenSG, but it allows to use OpenSG with other systems that control the
> creation and activation of OpenGL contexts. This part is normally
> handled by Window and its platform/window-system specific subclasses.
>
> > So I am wondering, is it possible for us to combine both PassiveWIndow
> > and MultiDisplayWindow together?
>
> yes, you can use them together, but ...
>
> > So that we dont have to change our code a lot while we can easily extend
> > our program to a multi-display environment~~
>
> ... that does not make your program run in a cluster. The OpenSG
> datastructures are built in a way that they can be sent over the
> network. This is used in the cluster code to distribute the scenegraph
> to all nodes. OpenSG can not know about the data structures in your
> OpenGL code, so it has no way to distribute them.
>
> Cheers,
> Carsten
>
>
>
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--
Jie Liu
Visualization Research Group
Center for Information Science, School of EECS,
Room 2104, Science Building No.2,
Peking University, Beijing 100871, China
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