Updated the MaterialX library to the v1.38 specification. See the v1.38 changelist for full details.
Added
- Added support for the generalized 'layer' node in Physically Based Shading.
- Added user controls for texture baking and wedge rendering in the MaterialX Viewer.
- Added support for Nvidia's Material Definition Language (MDL) in MaterialX code generation.
- Added support for inline source code in Implementation elements.
- Added support for TargetDef elements.
- Added viewer rendering to cloud-based tests in GitHub Actions.
- Added support for Xcode 12.
Changed
- Updated the set of standard nodes to match the v1.38 specification, including significant improvements to the Physically Based Shading nodes.
- Replaced specialized Material elements with material nodes, allowing more flexible material definitions and more consistent traversal.
- Unified the Input and Parameter element classes, simplifying the MaterialX API and client code.
- Updated the MaterialX viewer to use native classes for GLSL rendering and camera controls, opening the door to additional render frameworks in the future.
- Updated the prefiltered path for specular environment rendering in GLSL, providing a closer match with the Filtered Importance Sampling path.
- Updated the definition of Autodesk Standard Surface to version 1.0.1.
- Updated the definition of UsdPreviewSurface to version 2.3.
- Renamed the default branch from master to main.
Removed
- Removed support for the 'complex_ior', 'backfacing', 'viewdirection' and 'fresnel' nodes in Physically Based Shading.
- Removed support for the Color2 type.