1 files changed, 141 insertions, 0 deletions
diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_SamplerNode.shader b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_SamplerNode.shader
new file mode 100644
index 00000000..ca573ce4
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_SamplerNode.shader
@@ -0,0 +1,141 @@
+Shader "Hidden/SamplerNode"
+{
+	Properties
+	{
+		_B ("_UVs", 2D) = "white" {}
+		_C ("_Level", 2D) = "white" {}
+		_F ("_NormalScale", 2D) = "white" {}
+		_CustomUVs ("_CustomUVs", Int) = 0
+		_Unpack ("_Unpack", Int) = 0
+		_LodType ("_LodType", Int) = 0
+
+		_Sampler ("_Sampler", 2D) = "white" {}
+		_Sampler3D ("_Sampler3D", 3D) = "white" {}
+		_Array ("_Array", 2DArray) = "white" {}
+		_Cube( "_Cube", CUBE) = "white" {}
+		_Default ("_Default", Int) = 0
+		_Type ("_Type", Int) = 0
+	}
+	SubShader
+	{
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert_img
+			#pragma fragment frag
+			#pragma exclude_renderers d3d9 
+			#pragma target 3.5
+			#include "UnityCG.cginc"
+			#include "UnityStandardUtils.cginc"
+
+			sampler2D _F;
+			int _CustomUVs;
+			int _Unpack;
+			int _Default;
+
+			float4 frag( v2f_img i ) : SV_Target
+			{
+				if( _Default == 1 )
+				{
+					return 1;
+				}
+				else if( _Default == 2 )
+				{
+					return 0;
+				} 
+				else if( _Default == 3 )
+				{
+					return 0.5f;
+				}
+				else if( _Default == 4 )
+				{
+					float4 h = float4(0.5,0.5,1,1);
+					if ( _Unpack == 1 ) 
+					{
+						h.rgb = UnpackScaleNormal( h.xxyy, tex2D( _F, i.uv ).r );
+					} 
+					return h;
+				}
+				return 1;
+			}
+			ENDCG
+		}
+
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert_img
+			#pragma fragment frag
+			#pragma exclude_renderers d3d9 
+			#pragma target 3.5
+			#include "UnityCG.cginc"
+			#include "UnityStandardUtils.cginc"
+
+			sampler2D _B;
+			sampler2D _C;
+			sampler2D _F;
+			int _CustomUVs;
+			int _Unpack;
+			int _LodType;
+
+			UNITY_DECLARE_TEX2DARRAY (_Array);
+			samplerCUBE _Cube;
+			sampler2D _Sampler;
+			sampler3D _Sampler3D;
+			int _Type;
+
+			float4 frag (v2f_img i) : SV_Target
+			{
+				if (_Type == 4)
+				{
+					return UNITY_SAMPLE_TEX2DARRAY (_Array, float3(i.uv, 0));
+				}
+				else if (_Type == 3)
+				{
+					float3 uvs = float3(i.uv,0);
+
+					if (_CustomUVs == 1)
+						uvs = tex2D (_B, i.uv).xyz;
+
+					return texCUBE (_Cube, uvs);
+				}
+				else if (_Type == 2)
+				{
+					return tex3D (_Sampler3D, float3(i.uv,0));
+				}
+				else
+				{
+					float2 uvs = i.uv;
+					float4 c = 0;
+
+					if (_CustomUVs == 1)
+						uvs = tex2D (_B, i.uv).xy;
+
+					if (_LodType == 1)
+					{
+						float lod = tex2D (_C, i.uv).r;
+						c = tex2Dlod (_Sampler, float4(uvs,0,lod));
+					}
+					else if (_LodType == 2)
+					{
+						float bias = tex2D (_C, i.uv).r;
+						c = tex2Dbias (_Sampler, float4(uvs,0,bias));
+					}
+					else
+					{
+						c = tex2D (_Sampler, uvs);
+					}
+
+					if (_Unpack == 1) 
+					{
+						float nscale = tex2D (_F, i.uv).r;
+						c.rgb = UnpackScaleNormal (c, nscale);
+					}
+
+					return c;
+				}
+			}
+			ENDCG
+		}
+	}
+}