std::shared_ptr< Point > vizSpherePoint()
std::shared_ptr< Sampler > vizScalarSampler()
std::shared_ptr< Depth > vizTransparentDepth()
std::shared_ptr< Depth > vizOpaqueDepth()
std::shared_ptr< PolygonOffset > vizOpaquePolygonOffset()
std::shared_ptr< Point > vizPointSprites()
std::shared_ptr< PolygonOffset > vizTransparentPolygonOffset()
std::shared_ptr< Blend > vizTransparentBlend()
std::shared_ptr< Culling > vizGlyphCulling()