MakeMaterialSettings = object
  can_be_double_sided*: bool
  tone_mapping_function*: string
  uniform_blocks*: string
  textures_sampler_type*: Table[string, string]
  get_library*: proc (name: string): seq[string]
  get_node_tree*: proc (name: string): FNode

context: NodeBuildContext

get_node_tree: proc (name: string): FNode

proc makeMaterial(self: BlendLoader; bmat: FNode;
                  shader_library = self.shader_library;
                  settings = MakeMaterialSettings()): (string, seq[Varying],
    OrderedTable[string, string], OrderedTable[string, TexturePixels]) {.
    ...raises: [KeyError, Exception, ValueError], tags: [RootEffect].}

template `.`(self: InputMapper; field: untyped): Expr