Allows additional include search paths to be provided to OSL when compiling shaders. This option is a single string that can contain multiple search paths separated by a colon (
:) or a semi-colon (
Defines a location to search for plugins such as shaders, procedural plugins that create new node types, and volume plugins.
For example, if you load ass files from a different plugin, you may need to set the plugin_searchpath to load plugin-specific shaders (such as mtoa_shaders).
Defines a location to search for procedural nodes that load ass files (or obj or ply files).
Defines a location to search for textures.