1 files changed, 85 insertions, 0 deletions
diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_SummedBlendNode.shader b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_SummedBlendNode.shader
new file mode 100644
index 00000000..4f3b670d
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_SummedBlendNode.shader
@@ -0,0 +1,85 @@
+Shader "Hidden/SummedBlendNode"
+{
+	Properties
+	{
+		_A ( "_Weights", 2D) = "white" {}
+		_B ( "_Layer1", 2D) = "white" {}
+		_C ( "_Layer2", 2D ) = "white" {}
+		_D ( "_Layer3", 2D ) = "white" {}
+		_E ( "_Layer4", 2D ) = "white" {}
+	}
+
+	SubShader
+	{
+
+		CGINCLUDE
+		
+		#include "UnityCG.cginc"
+		#pragma vertex vert_img
+		#pragma fragment frag
+		sampler2D _A;
+		sampler2D _B;
+		
+		ENDCG
+
+		Pass
+		{
+			CGPROGRAM
+			float4 frag(v2f_img i) : SV_Target
+			{
+				float4 Weights = tex2D ( _A, i.uv );
+				float4 Layer1 = tex2D( _B, i.uv );
+				return Weights*Layer1;
+			}
+			ENDCG
+		}
+
+		Pass
+		{
+			CGPROGRAM
+			sampler2D _C;
+			float4 frag ( v2f_img i ) : SV_Target
+			{
+				float4 Weights = tex2D ( _A, i.uv );
+				float4 Layer1 = tex2D ( _B, i.uv );
+				float4 Layer2 = tex2D ( _C, i.uv );
+				return ( Weights.x*Layer1 + Weights.y*Layer2 );
+			}
+			ENDCG
+		}
+		
+		Pass
+		{
+			CGPROGRAM
+			sampler2D _C;
+			sampler2D _D;
+			float4 frag ( v2f_img i ) : SV_Target
+			{
+				float4 Weights = tex2D( _A, i.uv );
+				float4 Layer1 = tex2D( _B, i.uv );
+				float4 Layer2 = tex2D( _C, i.uv );
+				float4 Layer3 = tex2D( _D, i.uv );
+				return ( Weights.x*Layer1 + Weights.y*Layer2 + Weights.z*Layer3 );
+			}
+			ENDCG
+		}
+		
+		Pass
+		{
+			CGPROGRAM
+			sampler2D _C;
+			sampler2D _D;
+			sampler2D _E;
+			float4 frag ( v2f_img i ) : SV_Target
+			{
+				float4 Weights = tex2D ( _A, i.uv );
+				float4 Layer1 = tex2D ( _B, i.uv );
+				float4 Layer2 = tex2D ( _C, i.uv );
+				float4 Layer3 = tex2D ( _D, i.uv );
+				float4 Layer4 = tex2D ( _E, i.uv );
+				return ( Weights.x*Layer1 + Weights.y*Layer2 + Weights.z*Layer3 + Weights.w*Layer4 );
+			}
+			ENDCG
+		}
+	}
+}