Hi Judia, What you are trying to do should work, but without the code for setting the different stateset to the appropriate nodes I can't say what exactly the problem is. The fact that you refer to NodeCParent looks suspect, you should apply directly to NodeC as NodeCParent is NodeA...
Robert. On Mon, Apr 14, 2008 at 7:36 PM, Judie Stanley <[EMAIL PROTECTED]> wrote: > This is an exisiting project. > Here is the basic node structure: > > Root > | > NodeA > / \ > NodeB NodeC > > I want to disable writes to the color buffer before Node A, and then I > don't want to enable them until Node C. That way, Node A, and Node B are > drawn but only the depth buffer is updated, but then when Node C is drawn, > both the color buffer and the depth buffer are updated. > > Here is my code: > > osg::ColorMask *colormaskOff = new osg::ColorMask(false, false, false, > false); > osg::ColorMask *colormaskON = new osg::ColorMask(true, true, true, true); > > osg::StateSet* state = NodeAParent->getOrCreateStateSet(); > state->setAttribute(colormaskOff); > > osg::StateSet* state2 = NodeCParent->getOrCreateStateSet(); > state2->setAttribute(colormaskON); > > So you can see my dilema. > > In the code I see that the glColorMask gets called with the correct data, > however, because of the graph topology, NodeA and NodeB get drawn to the > color buffer even though I disabled it in the Root (NodeAParent), it gets > enabled for NodeA (NodeCParent). > > Is it possible to stick come kind of node inbetween NodeA and NodeC? What > type of node should that be? Can there be a blank node? > > Thanks, > > Judie > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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