Hi,
I use a "hand-made" geometry class, derived from "osg::Geometry" (osg 3.0.1,
Win 7 64bits)
My geometry is filled with vertices and indices, and configured as follow :
Code:
p_myGeometry->setUseDisplayList(false);
p_myGeometry->setUseVertexBufferObjects(true);
p_myGeometry->setDataVariance(osg::Object::STATIC);
p_myGeometry->setVertexArray(p_myVertices);
p_myGeometry->addPrimitiveSet(p_myPrimitiveEBO);
p_myGeometry->setComputeBoundingBoxCallback(new SeaBoundingBoxCallBack());
There are 3 methods re-implemented :
Code:
void MyGeometry::compileGLObjects(osg::RenderInfo& renderInfo) const
{
// Do special stuff allocation on Cuda / OpenCl... and bind to openGL
objects
osg::Geometry::compileGLObjects(renderInfo);
}
//
void MyGeometry::drawImplementation(osg::RenderInfo& renderInfo) const
{
// Retrieve data from Cuda / OpenCL special stuff allocated in
"compileGLObjects"
osg::Geometry::drawImplementation(renderInfo);
}
//
voidMyGeometry::releaseGLObjects(osg::State* pState) const
{
// Do special stuff release
osg::Geometry::releaseGLObjects(pState);
}
Everything works fine if I create the Scene Graph, then setup a viewer and
display the scene graph.
But if I create a scene graph without this "MyGeometry" object, setup the
viewer, display the scene graph, and THEN insert a new "MyGeometry", neither
"compileGLObjects" or "releaseGLObjects" are called...
Is there any reason ?
I saw in "compileGLObjects" documentation :
> Note:
> Operation is ignored if _useDisplayList is false or VertexBufferObjects are
> not used.
>
but I use :
Code:
p_myGeometry->setUseVertexBufferObjects(true);
p_myGeometry->setVertexArray(p_myVertices);
Thank you!
Cheers,
Aurelien
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=45453#45453
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