blender/intern/cycles/kernel/shaders/node_invert.osl

/*
 * 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_invert(
	float Fac = 1.0,
	color ColorIn = 0.8,
	output color ColorOut = 0.8)
{
	color ColorInv = color(1.0) - ColorIn;
	ColorOut = mix(ColorIn, ColorInv, Fac);
}