23 lines
629 B
Plaintext
23 lines
629 B
Plaintext
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#include "node_ramp_util.h"
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#include "stdcycles.h"
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shader node_float_curve(float ramp[] = {0.0},
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float min_x = 0.0,
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float max_x = 1.0,
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int extrapolate = 1,
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float ValueIn = 0.0,
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float Factor = 0.0,
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output float ValueOut = 0.0)
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{
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float c = (ValueIn - min_x) / (max_x - min_x);
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ValueOut = rgb_ramp_lookup(ramp, c, 1, extrapolate);
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ValueOut = mix(ValueIn, ValueOut, Factor);
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}
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