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30 行
966 B
30 行
966 B
namespace UnityEditor.Graphs.Material
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{
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[Title("Math/Clamp Node")]
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class ClampNode : Function3Input, IGeneratesFunction
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{
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public override void Init()
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{
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name = "ClampNode";
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base.Init();
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}
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protected override string GetFunctionName () {return "unity_clamp_"+precision;}
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public void GenerateNodeFunction(ShaderGenerator visitor, GenerationMode generationMode)
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{
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var outputString = new ShaderGenerator ();
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foreach (var precision in m_PrecisionNames)
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{
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outputString.AddShaderChunk("inline " + precision + "4 unity_clamp_" + precision + " (" + precision + "4 arg1, " + precision + "4 minval, " + precision + "4 maxval)", false);
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outputString.AddShaderChunk("{", false);
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outputString.Indent();
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outputString.AddShaderChunk("return clamp(arg1, minval, maxval);", false);
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outputString.Deindent();
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outputString.AddShaderChunk("}", false);
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}
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visitor.AddShaderChunk (outputString.GetShaderString (0), true);
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}
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}
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}
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