Hi,
On Tue, 2009-06-02 at 03:16 -0300, daniel trindade wrote:
> Hi Carstern,
>
> First of all, thanks for the help. As i said, i'm trying to render to
> texture using fboviewport, but with no success. I took a look on
> simplestage, but i'm not sure if it will fit to my needs. My objective
> is to render the screen to a texture buffer without modifing the
> aplication scene. Also, i need a viewport with a different size from
> the aplication, and the camera will be pointing to other point.
>
> To do this, i create the following code. This is not exactly what i
> need to do, but it's only for testing:
>
> CreateFboViewport( OSG::Node* scene, int width, int height )
> {
> // Set up the scene to be rendered on the texture buffer
> _fboSceneRoot = OSG::Node::create();
> _fboSceneRoot->setCore( OSG::Group::create() );
> _fboSceneRoot->addChild( scene );
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
is scene anywhere else the parameter of addChild ? If so try to use
a VisitSubTree core for _fboSceneRoot and pass scene to that one
instead of adding it as a child to _fboSceneRoot. OpenSG is a single
parent graph, so successive addChilds will take the child out of it's
old parent to make sure the graph is consistent.
kind regards,
gerrit
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