void
VertexCacheOptimizer::apply(osg::Drawable& drawable)
{
if (drawable.getDataVariance() == osg::Object::DYNAMIC)
return;
osg::Geometry* geom = drawable.asGeometry();
if ( geom )
{
if ( geom->getDataVariance() == osg::Object::DYNAMIC )
return;
// vertex cache optimizations currently only support surface geometries.
// all or nothing in the geode.
osg::Geometry::PrimitiveSetList& psets = geom->getPrimitiveSetList();
for( osg::Geometry::PrimitiveSetList::iterator i = psets.begin(); i != psets.end(); ++i )
{
switch( (*i)->getMode() )
{
case GL_TRIANGLES:
case GL_TRIANGLE_FAN:
case GL_TRIANGLE_STRIP:
case GL_QUADS:
case GL_QUAD_STRIP:
case GL_POLYGON:
break;
default:
return;
}
}
}
//OE_NOTICE << LC << "VC optimizing..." << std::endl;
// passed the test; run the optimizer.
osgUtil::VertexCacheVisitor vcv;
drawable.accept( vcv );
vcv.optimizeVertices();
osgUtil::VertexAccessOrderVisitor vaov;
drawable.accept( vaov );
vaov.optimizeOrder();
traverse( drawable );
}
// decompose Drawable primitives into triangles, print out these triangles and computed normals.
void printTriangles(const std::string& name, osg::Drawable& drawable)
{
std::cout<<name<<std::endl;
osg::TriangleFunctor<NormalPrint> tf;
drawable.accept(tf);
std::cout<<std::endl;
}
CullVisitor::value_type CullVisitor::computeNearestPointInFrustum(const osg::Matrix& matrix, const osg::Polytope::PlaneList& planes,const osg::Drawable& drawable)
{
// OSG_WARN<<"CullVisitor::computeNearestPointInFrustum("<<getTraversalNumber()<<"\t"<<planes.size()<<std::endl;
osg::TriangleFunctor<ComputeNearestPointFunctor> cnpf;
cnpf.set(_computed_znear, matrix, &planes);
drawable.accept(cnpf);
return cnpf._znear;
}
virtual void apply(osg::Drawable &drawable)
{
if (!mTriangleMesh)
mTriangleMesh.reset(new btTriangleMesh);
osg::Matrixf worldMat = osg::computeLocalToWorld(getNodePath());
osg::TriangleFunctor<GetTriangleFunctor> functor;
functor.setTriMesh(mTriangleMesh.get());
functor.setMatrix(worldMat);
drawable.accept(functor);
}
void StatsVisitor::apply(osg::Drawable& drawable)
{
if (drawable.getStateSet())
{
++_numInstancedStateSet;
_statesetSet.insert(drawable.getStateSet());
}
++_numInstancedDrawable;
drawable.accept(_instancedStats);
_drawableSet.insert(&drawable);
osg::Geometry* geometry = dynamic_cast<osg::Geometry*>(&drawable);
if (geometry)
{
++_numInstancedGeometry;
_geometrySet.insert(geometry);
}
}
void StatsVisitor::apply(osg::Drawable& drawable)
{
if (drawable.getStateSet())
{
apply(*drawable.getStateSet());
}
++_numInstancedDrawable;
drawable.accept(_instancedStats);
_drawableSet.insert(&drawable);
osg::Geometry* geometry = drawable.asGeometry();
if (geometry)
{
++_numInstancedGeometry;
_geometrySet.insert(geometry);
++_numInstancedFastGeometry;
_fastGeometrySet.insert(geometry);
}
}