/* * Copyright 2011-2021 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 "node_ramp_util.h" #include "stdcycles.h" shader node_float_curve(float ramp[] = {0.0}, float min_x = 0.0, float max_x = 1.0, float ValueIn = 0.0, float Factor = 0.0, output float ValueOut = 0.0) { float c = (ValueIn - min_x) / (max_x - min_x); ValueOut = rgb_ramp_lookup(ramp, c, 1, 1); ValueOut = mix(ValueIn, ValueOut, Factor); }