OpenUSD C++ API
The OpenUSD C++ API is the primary interface for working with Universal Scene Description data. Provides access to USD core (scene composition and asset management), UsdImaging and Hydra (rendering infrastructure), schema APIs for geometry (UsdGeom), shading (UsdShade), lighting (UsdLux), physics (UsdPhysics), volume (UsdVol), and the Shader Discovery and Registry (SDR). Available as an open-source library under the Apache 2.0 license.