Hi opensg friends,
i am working on a particular cluster server application that needs the
clusterserver on the server side to render directly on a texture (or into an
offline buffer that lately I can transfer into and image) that I can use
later for example as a texture into a "normal" SimpleSceneManager scene.
Right now my best idea is to assign to the clusterserver a Passivewindow and
then make it draw into a buffer rather than into a normal window (maybe the
accumulation buffer).
So the Server's draw routine should look like:
Void setupOSG ()
{
createWindow ();
createSimpleSceneManager ();
m_pClusterServer = clusterserver::create (offlineWindow, name,
connession...
m_pClusterServer->start();
}
Void draw ()
{
// DRAW INTO IMAGE
Gl_Enable (GL_SOME_BUFFER);
m_pClusterServer->render(m_pRact);
// clear changelist
OSG::Thread::getCurrentChangeList()->clearAll();
makeImageFromSomeBuffer ();
// USE IMAGE INTO AN "ACTIVE" OSG ENVIRONMENT
GL_Enable (GL_BACK_BUFFER);
doStuff();
m_pSimpleSceneManager->redraw();
swapBuffers ();
}
Is it possible to do something like this?
Thanks for any hint,
E.
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