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33 lines
831 B
33 lines
831 B
using System.Reflection;
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using UnityEngine;
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namespace UnityEditor.ShaderGraph
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{
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[Title("Artistic", "Adjustment", "Contrast")]
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class ContrastNode : CodeFunctionNode
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{
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public ContrastNode()
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{
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name = "Contrast";
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}
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protected override MethodInfo GetFunctionToConvert()
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{
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return GetType().GetMethod("Unity_Contrast", BindingFlags.Static | BindingFlags.NonPublic);
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}
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static string Unity_Contrast(
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[Slot(0, Binding.None)] Vector3 In,
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[Slot(1, Binding.None, 1, 1, 1, 1)] Vector1 Contrast,
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[Slot(2, Binding.None)] out Vector3 Out)
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{
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Out = Vector2.zero;
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return
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@"
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{
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$precision midpoint = pow(0.5, 2.2);
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Out = (In - midpoint) * Contrast + midpoint;
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}";
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}
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}
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}
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