This adds initial support for rendering Cycles and EEVEE shaders in Hydra render engines that support MaterialX. Not all nodes are currently supported, see the detailed compatibility list in #112864. Co-authored-by: Georgiy Markelov <georgiy.m.markelov@gmail.com> Co-authored-by: Vasyl Pidhirskyi <vpidhirskyi@gmail.com> Pull Request: https://projects.blender.org/blender/blender/pulls/111765