/* * Copyright 2011-2013 Blender Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "stdosl.h" shader node_mix_closure( float Fac = 0.5, closure color Closure1 = 0, closure color Closure2 = 0, output closure color Closure = 0) { float t = clamp(Fac, 0.0, 1.0); Closure = (1.0 - t) * Closure1 + t * Closure2; }