void LODDrawCallback::drawImplementation( osg::State& state, const osg::Drawable* p_drawable ) const
{
assert( _p_lodMesh && "lod mesh data not available!" );
const GLuint groupname = _p_lodMesh->getGroupName();
const GLuint objectname = _p_lodMesh->getObjectName();
const GLuint numpatches = _p_lodMesh->getNumPatches();
// need for LOD adaptation?
if ( _p_lodMesh->adaptLOD() )
{
glodBindObjectXform( objectname, GL_PROJECTION_MATRIX | GL_MODELVIEW_MATRIX );
glodAdaptGroup( groupname );
// reset the adaptation flag after every adaptation
// the adaptation is triggered by update callback
_p_lodMesh->setAdaptLOD( false );
}
// apply drawable's state
state.apply( p_drawable->getStateSet() );
// draw the object patches
for( GLuint patch = 0; patch < numpatches; ++patch )
glodDrawPatch( objectname, patch );
}
void PositionalStateContainer::draw(osg::State& state,RenderLeaf*& previous, const osg::Matrix* postMultMatrix)
{
if (previous)
{
StateGraph::moveToRootStateGraph(state,previous->_parent);
state.apply();
previous = NULL;
}
// apply the light list.
for(AttrMatrixList::iterator litr=_attrList.begin();
litr!=_attrList.end();
++litr)
{
if (postMultMatrix)
{
if ((*litr).second.valid())
state.applyModelViewMatrix(new osg::RefMatrix( (*((*litr).second)) * (*postMultMatrix)));
else
state.applyModelViewMatrix(new osg::RefMatrix( *postMultMatrix));
}
else
{
state.applyModelViewMatrix((*litr).second.get());
}
// apply the light source.
litr->first->apply(state);
// tell state about.
state.haveAppliedAttribute(litr->first.get());
// set this state as a global default
state.setGlobalDefaultAttribute(litr->first.get());
}
for(TexUnitAttrMatrixListMap::iterator titr=_texAttrListMap.begin();
titr!=_texAttrListMap.end();
++titr)
{
state.setActiveTextureUnit(titr->first);
AttrMatrixList attrList = titr->second;
for(AttrMatrixList::iterator litr=attrList.begin();
litr!=attrList.end();
++litr)
{
if (postMultMatrix)
{
if ((*litr).second.valid())
state.applyModelViewMatrix(new osg::RefMatrix( (*((*litr).second)) * (*postMultMatrix)));
else
state.applyModelViewMatrix(new osg::RefMatrix( *postMultMatrix));
}
else
{
state.applyModelViewMatrix((*litr).second.get());
}
// apply the light source.
litr->first->apply(state);
// tell state about.
state.haveAppliedTextureAttribute(titr->first, litr->first.get());
// set this state as a global default
state.setGlobalDefaultTextureAttribute(titr->first, litr->first.get());
}
}
}
void ShaderPaint::postPaint(osgNVPR::Extensions* ext, osg::State& state) const {
state.popStateSet();
state.apply();
}
void ShaderPaint::paint(osgNVPR::Extensions* ext, osg::State& state) const {
state.apply(_stateSet.get());
}