3Delight for Maya provides a rich variety of shaders, including materials for physically plausible shading, high performance volume shaders and utility nodes. They are all efficient OSL based shaders. For custom materials, users can define their own OSL shading nodes. This is explained in Creating Custom OSL HyperShade Nodes.
3Delight for Maya can render any Maya HyperShade network. Scenes that are setup using the usual Maya workflow will work out-of-the-box with 3Delight for Maya. Here is a list of all supported Maya shader nodes, in alphabetical order: