Differential D14393 Diff 49448 intern/cycles/kernel/osl/shaders/node_float_curve.osl

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	/* SPDX-License-Identifier: Apache-2.0			/* SPDX-License-Identifier: Apache-2.0
	* Copyright 2011-2022 Blender Foundation */			* Copyright 2011-2022 Blender Foundation */

	#include "node_ramp_util.h"			#include "node_ramp_util.h"
	#include "stdcycles.h"			#include "stdcycles.h"

	shader node_float_curve(float ramp[] = {0.0},			shader node_float_curve(float ramp[] = {0.0},
	float min_x = 0.0,			float min_x = 0.0,
	float max_x = 1.0,			float max_x = 1.0,
				int extrapolate = 0,

	float ValueIn = 0.0,			float ValueIn = 0.0,
	float Factor = 0.0,			float Factor = 0.0,
	output float ValueOut = 0.0)			output float ValueOut = 0.0)
	{			{
	float c = (ValueIn - min_x) / (max_x - min_x);			float c = (ValueIn - min_x) / (max_x - min_x);

	ValueOut = rgb_ramp_lookup(ramp, c, 1, 1);			ValueOut = rgb_ramp_lookup(ramp, c, 1, extrapolate);

	ValueOut = mix(ValueIn, ValueOut, Factor);			ValueOut = mix(ValueIn, ValueOut, Factor);
	}			}