1 files changed, 39 insertions, 0 deletions
diff --git a/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_FunctionInputNode.shader b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_FunctionInputNode.shader
new file mode 100644
index 00000000..898706af
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_FunctionInputNode.shader
@@ -0,0 +1,39 @@
+Shader "Hidden/FunctionInputNode"
+{
+	Properties
+	{
+		_A ("_A", 2D) = "white" {}
+	}
+	SubShader
+	{
+		Pass
+		{
+			CGPROGRAM
+			#include "UnityCG.cginc"
+			#pragma vertex vert_img
+			#pragma fragment frag
+
+			sampler2D _A;
+			int _Type;
+
+			float4 frag(v2f_img i) : SV_Target
+			{
+				if( _Type == 1 )
+				{
+					return tex2D( _A, i.uv ).r;
+				} else if( _Type == 2 )
+				{
+					return float4(tex2D( _A, i.uv ).rg,0,0);
+				} else if( _Type == 3 )
+				{
+					return float4(tex2D( _A, i.uv ).rgb,0);
+				}
+				else
+				{
+					return tex2D( _A, i.uv );
+				}
+			}
+			ENDCG
+		}
+	}
+}