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

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/*
* 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);
}