SubsurfaceScatter.shader

// Made with Amplify Shader Editor
// Available at the Unity Asset Store - http://u3d.as/y3X 
Shader "SubsurfaceTest"
{
	Properties
	{
		[HideInInspector] _AlphaCutoff("Alpha Cutoff ", Range(0, 1)) = 0.5
		[HideInInspector] _EmissionColor("Emission Color", Color) = (1,1,1,1)
		[ASEBegin]_MainColor("Main Color", Color) = (0.3921569,0.3921569,0.3921569,1)
		_SpecularColor("Specular Color", Color) = (0.3921569,0.3921569,0.3921569,1)
		_Shininess("Shininess", Range( 0.01 , 1)) = 0.1
		_Float4("Float 4", Float) = 1
		_subsurface("subsurface", Float) = 0.6
		[ASEEnd]_green_leaves_PNG3615("green_leaves_PNG3615", 2D) = "white" {}
		[HideInInspector] _texcoord( "", 2D ) = "white" {}

		//_TessPhongStrength( "Tess Phong Strength", Range( 0, 1 ) ) = 0.5
		//_TessValue( "Tess Max Tessellation", Range( 1, 32 ) ) = 16
		//_TessMin( "Tess Min Distance", Float ) = 10
		//_TessMax( "Tess Max Distance", Float ) = 25
		//_TessEdgeLength ( "Tess Edge length", Range( 2, 50 ) ) = 16
		//_TessMaxDisp( "Tess Max Displacement", Float ) = 25
	}

	SubShader
	{
		LOD 0

		
		Tags { "RenderPipeline"="UniversalPipeline" "RenderType"="Opaque" "Queue"="Geometry" }
		
		Cull Off
		AlphaToMask Off
		HLSLINCLUDE
		#pragma target 2.0

		float4 FixedTess( float tessValue )
		{
			return tessValue;
		}
		
		float CalcDistanceTessFactor (float4 vertex, float minDist, float maxDist, float tess, float4x4 o2w, float3 cameraPos )
		{
			float3 wpos = mul(o2w,vertex).xyz;
			float dist = distance (wpos, cameraPos);
			float f = clamp(1.0 - (dist - minDist) / (maxDist - minDist), 0.01, 1.0) * tess;
			return f;
		}

		float4 CalcTriEdgeTessFactors (float3 triVertexFactors)
		{
			float4 tess;
			tess.x = 0.5 * (triVertexFactors.y + triVertexFactors.z);
			tess.y = 0.5 * (triVertexFactors.x + triVertexFactors.z);
			tess.z = 0.5 * (triVertexFactors.x + triVertexFactors.y);
			tess.w = (triVertexFactors.x + triVertexFactors.y + triVertexFactors.z) / 3.0f;
			return tess;
		}

		float CalcEdgeTessFactor (float3 wpos0, float3 wpos1, float edgeLen, float3 cameraPos, float4 scParams )
		{
			float dist = distance (0.5 * (wpos0+wpos1), cameraPos);
			float len = distance(wpos0, wpos1);
			float f = max(len * scParams.y / (edgeLen * dist), 1.0);
			return f;
		}

		float DistanceFromPlane (float3 pos, float4 plane)
		{
			float d = dot (float4(pos,1.0f), plane);
			return d;
		}

		bool WorldViewFrustumCull (float3 wpos0, float3 wpos1, float3 wpos2, float cullEps, float4 planes[6] )
		{
			float4 planeTest;
			planeTest.x = (( DistanceFromPlane(wpos0, planes[0]) > -cullEps) ? 1.0f : 0.0f ) +
						  (( DistanceFromPlane(wpos1, planes[0]) > -cullEps) ? 1.0f : 0.0f ) +
						  (( DistanceFromPlane(wpos2, planes[0]) > -cullEps) ? 1.0f : 0.0f );
			planeTest.y = (( DistanceFromPlane(wpos0, planes[1]) > -cullEps) ? 1.0f : 0.0f ) +
						  (( DistanceFromPlane(wpos1, planes[1]) > -cullEps) ? 1.0f : 0.0f ) +
						  (( DistanceFromPlane(wpos2, planes[1]) > -cullEps) ? 1.0f : 0.0f );
			planeTest.z = (( DistanceFromPlane(wpos0, planes[2]) > -cullEps) ? 1.0f : 0.0f ) +
						  (( DistanceFromPlane(wpos1, planes[2]) > -cullEps) ? 1.0f : 0.0f ) +
						  (( DistanceFromPlane(wpos2, planes[2]) > -cullEps) ? 1.0f : 0.0f );
			planeTest.w = (( DistanceFromPlane(wpos0, planes[3]) > -cullEps) ? 1.0f : 0.0f ) +
						  (( DistanceFromPlane(wpos1, planes[3]) > -cullEps) ? 1.0f : 0.0f ) +
						  (( DistanceFromPlane(wpos2, planes[3]) > -cullEps) ? 1.0f : 0.0f );
			return !all (planeTest);
		}

		float4 DistanceBasedTess( float4 v0, float4 v1, float4 v2, float tess, float minDist, float maxDist, float4x4 o2w, float3 cameraPos )
		{
			float3 f;
			f.x = CalcDistanceTessFactor (v0,minDist,maxDist,tess,o2w,cameraPos);
			f.y = CalcDistanceTessFactor (v1,minDist,maxDist,tess,o2w,cameraPos);
			f.z = CalcDistanceTessFactor (v2,minDist,maxDist,tess,o2w,cameraPos);

			return CalcTriEdgeTessFactors (f);
		}

		float4 EdgeLengthBasedTess( float4 v0, float4 v1, float4 v2, float edgeLength, float4x4 o2w, float3 cameraPos, float4 scParams )
		{
			float3 pos0 = mul(o2w,v0).xyz;
			float3 pos1 = mul(o2w,v1).xyz;
			float3 pos2 = mul(o2w,v2).xyz;
			float4 tess;
			tess.x = CalcEdgeTessFactor (pos1, pos2, edgeLength, cameraPos, scParams);
			tess.y = CalcEdgeTessFactor (pos2, pos0, edgeLength, cameraPos, scParams);
			tess.z = CalcEdgeTessFactor (pos0, pos1, edgeLength, cameraPos, scParams);
			tess.w = (tess.x + tess.y + tess.z) / 3.0f;
			return tess;
		}

		float4 EdgeLengthBasedTessCull( float4 v0, float4 v1, float4 v2, float edgeLength, float maxDisplacement, float4x4 o2w, float3 cameraPos, float4 scParams, float4 planes[6] )
		{
			float3 pos0 = mul(o2w,v0).xyz;
			float3 pos1 = mul(o2w,v1).xyz;
			float3 pos2 = mul(o2w,v2).xyz;
			float4 tess;

			if (WorldViewFrustumCull(pos0, pos1, pos2, maxDisplacement, planes))
			{
				tess = 0.0f;
			}
			else
			{
				tess.x = CalcEdgeTessFactor (pos1, pos2, edgeLength, cameraPos, scParams);
				tess.y = CalcEdgeTessFactor (pos2, pos0, edgeLength, cameraPos, scParams);
				tess.z = CalcEdgeTessFactor (pos0, pos1, edgeLength, cameraPos, scParams);
				tess.w = (tess.x + tess.y + tess.z) / 3.0f;
			}
			return tess;
		}
		ENDHLSL

		
		Pass
		{
			
			Name "Forward"
			Tags { "LightMode"="UniversalForward" }
			
			Blend One Zero, One Zero
			ZWrite On
			ZTest LEqual
			Offset 0 , 0
			ColorMask RGBA
			

			HLSLPROGRAM
			#pragma multi_compile_instancing
			#define _ALPHATEST_ON 1
			#define ASE_SRP_VERSION 999999

			#pragma prefer_hlslcc gles
			#pragma exclude_renderers d3d11_9x

			#pragma vertex vert
			#pragma fragment frag

			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
			#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
			#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/UnityInstancing.hlsl"
			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl"

			#if ASE_SRP_VERSION <= 70108
			#define REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR
			#endif

			#define ASE_NEEDS_FRAG_WORLD_POSITION
			#define ASE_NEEDS_VERT_NORMAL
			#define ASE_NEEDS_FRAG_SHADOWCOORDS
			#pragma multi_compile _ _MAIN_LIGHT_SHADOWS
			#pragma multi_compile _ _MAIN_LIGHT_SHADOWS_CASCADE
			#pragma multi_compile _ _SHADOWS_SOFT
			#pragma multi_compile _ DIRLIGHTMAP_COMBINED
			#pragma multi_compile _ LIGHTMAP_ON
			#pragma multi_compile_instancing


			struct VertexInput
			{
				float4 vertex : POSITION;
				float3 ase_normal : NORMAL;
				float4 ase_tangent : TANGENT;
				float4 texcoord1 : TEXCOORD1;
				float4 ase_texcoord : TEXCOORD0;
				UNITY_VERTEX_INPUT_INSTANCE_ID
			};

			struct VertexOutput
			{
				float4 clipPos : SV_POSITION;
				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				float3 worldPos : TEXCOORD0;
				#endif
				#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) && defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
				float4 shadowCoord : TEXCOORD1;
				#endif
				#ifdef ASE_FOG
				float fogFactor : TEXCOORD2;
				#endif
				float4 ase_texcoord3 : TEXCOORD3;
				float4 ase_texcoord4 : TEXCOORD4;
				float4 ase_texcoord5 : TEXCOORD5;
				float4 lightmapUVOrVertexSH : TEXCOORD6;
				float4 ase_texcoord7 : TEXCOORD7;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				UNITY_VERTEX_OUTPUT_STEREO
			};

			CBUFFER_START(UnityPerMaterial)
			float4 _SpecularColor;
			float4 _MainColor;
			float _Shininess;
			float _subsurface;
			#ifdef TESSELLATION_ON
				float _TessPhongStrength;
				float _TessValue;
				float _TessMin;
				float _TessMax;
				float _TessEdgeLength;
				float _TessMaxDisp;
			#endif
			CBUFFER_END
			sampler2D _green_leaves_PNG3615;
			SAMPLER(sampler_green_leaves_PNG3615);
			UNITY_INSTANCING_BUFFER_START(SubsurfaceTest)
				UNITY_DEFINE_INSTANCED_PROP(float4, _green_leaves_PNG3615_ST)
				UNITY_DEFINE_INSTANCED_PROP(float, _Float4)
			UNITY_INSTANCING_BUFFER_END(SubsurfaceTest)


			float3 ASEIndirectDiffuse( float2 uvStaticLightmap, float3 normalWS )
			{
			#ifdef LIGHTMAP_ON
				return SampleLightmap( uvStaticLightmap, normalWS );
			#else
				return SampleSH(normalWS);
			#endif
			}
			
			
			VertexOutput VertexFunction ( VertexInput v  )
			{
				VertexOutput o = (VertexOutput)0;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_TRANSFER_INSTANCE_ID(v, o);
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);

				float3 ase_worldTangent = TransformObjectToWorldDir(v.ase_tangent.xyz);
				o.ase_texcoord3.xyz = ase_worldTangent;
				float3 ase_worldNormal = TransformObjectToWorldNormal(v.ase_normal);
				o.ase_texcoord4.xyz = ase_worldNormal;
				float ase_vertexTangentSign = v.ase_tangent.w * unity_WorldTransformParams.w;
				float3 ase_worldBitangent = cross( ase_worldNormal, ase_worldTangent ) * ase_vertexTangentSign;
				o.ase_texcoord5.xyz = ase_worldBitangent;
				OUTPUT_LIGHTMAP_UV( v.texcoord1, unity_LightmapST, o.lightmapUVOrVertexSH.xy );
				OUTPUT_SH( ase_worldNormal, o.lightmapUVOrVertexSH.xyz );
				
				o.ase_texcoord7.xy = v.ase_texcoord.xy;
				
				//setting value to unused interpolator channels and avoid initialization warnings
				o.ase_texcoord3.w = 0;
				o.ase_texcoord4.w = 0;
				o.ase_texcoord5.w = 0;
				o.ase_texcoord7.zw = 0;
				#ifdef ASE_ABSOLUTE_VERTEX_POS
					float3 defaultVertexValue = v.vertex.xyz;
				#else
					float3 defaultVertexValue = float3(0, 0, 0);
				#endif
				float3 vertexValue = defaultVertexValue;
				#ifdef ASE_ABSOLUTE_VERTEX_POS
					v.vertex.xyz = vertexValue;
				#else
					v.vertex.xyz += vertexValue;
				#endif
				v.ase_normal = v.ase_normal;

				float3 positionWS = TransformObjectToWorld( v.vertex.xyz );
				float4 positionCS = TransformWorldToHClip( positionWS );

				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				o.worldPos = positionWS;
				#endif
				#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) && defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
				VertexPositionInputs vertexInput = (VertexPositionInputs)0;
				vertexInput.positionWS = positionWS;
				vertexInput.positionCS = positionCS;
				o.shadowCoord = GetShadowCoord( vertexInput );
				#endif
				#ifdef ASE_FOG
				o.fogFactor = ComputeFogFactor( positionCS.z );
				#endif
				o.clipPos = positionCS;
				return o;
			}

			#if defined(TESSELLATION_ON)
			struct VertexControl
			{
				float4 vertex : INTERNALTESSPOS;
				float3 ase_normal : NORMAL;
				float4 ase_tangent : TANGENT;
				float4 texcoord1 : TEXCOORD1;
				float4 ase_texcoord : TEXCOORD0;

				UNITY_VERTEX_INPUT_INSTANCE_ID
			};

			struct TessellationFactors
			{
				float edge[3] : SV_TessFactor;
				float inside : SV_InsideTessFactor;
			};

			VertexControl vert ( VertexInput v )
			{
				VertexControl o;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_TRANSFER_INSTANCE_ID(v, o);
				o.vertex = v.vertex;
				o.ase_normal = v.ase_normal;
				o.ase_tangent = v.ase_tangent;
				o.texcoord1 = v.texcoord1;
				o.ase_texcoord = v.ase_texcoord;
				return o;
			}

			TessellationFactors TessellationFunction (InputPatch<VertexControl,3> v)
			{
				TessellationFactors o;
				float4 tf = 1;
				float tessValue = _TessValue; float tessMin = _TessMin; float tessMax = _TessMax;
				float edgeLength = _TessEdgeLength; float tessMaxDisp = _TessMaxDisp;
				#if defined(ASE_FIXED_TESSELLATION)
				tf = FixedTess( tessValue );
				#elif defined(ASE_DISTANCE_TESSELLATION)
				tf = DistanceBasedTess(v[0].vertex, v[1].vertex, v[2].vertex, tessValue, tessMin, tessMax, GetObjectToWorldMatrix(), _WorldSpaceCameraPos );
				#elif defined(ASE_LENGTH_TESSELLATION)
				tf = EdgeLengthBasedTess(v[0].vertex, v[1].vertex, v[2].vertex, edgeLength, GetObjectToWorldMatrix(), _WorldSpaceCameraPos, _ScreenParams );
				#elif defined(ASE_LENGTH_CULL_TESSELLATION)
				tf = EdgeLengthBasedTessCull(v[0].vertex, v[1].vertex, v[2].vertex, edgeLength, tessMaxDisp, GetObjectToWorldMatrix(), _WorldSpaceCameraPos, _ScreenParams, unity_CameraWorldClipPlanes );
				#endif
				o.edge[0] = tf.x; o.edge[1] = tf.y; o.edge[2] = tf.z; o.inside = tf.w;
				return o;
			}

			[domain("tri")]
			[partitioning("fractional_odd")]
			[outputtopology("triangle_cw")]
			[patchconstantfunc("TessellationFunction")]
			[outputcontrolpoints(3)]
			VertexControl HullFunction(InputPatch<VertexControl, 3> patch, uint id : SV_OutputControlPointID)
			{
			   return patch[id];
			}

			[domain("tri")]
			VertexOutput DomainFunction(TessellationFactors factors, OutputPatch<VertexControl, 3> patch, float3 bary : SV_DomainLocation)
			{
				VertexInput o = (VertexInput) 0;
				o.vertex = patch[0].vertex * bary.x + patch[1].vertex * bary.y + patch[2].vertex * bary.z;
				o.ase_normal = patch[0].ase_normal * bary.x + patch[1].ase_normal * bary.y + patch[2].ase_normal * bary.z;
				o.ase_tangent = patch[0].ase_tangent * bary.x + patch[1].ase_tangent * bary.y + patch[2].ase_tangent * bary.z;
				o.texcoord1 = patch[0].texcoord1 * bary.x + patch[1].texcoord1 * bary.y + patch[2].texcoord1 * bary.z;
				o.ase_texcoord = patch[0].ase_texcoord * bary.x + patch[1].ase_texcoord * bary.y + patch[2].ase_texcoord * bary.z;
				#if defined(ASE_PHONG_TESSELLATION)
				float3 pp[3];
				for (int i = 0; i < 3; ++i)
					pp[i] = o.vertex.xyz - patch[i].ase_normal * (dot(o.vertex.xyz, patch[i].ase_normal) - dot(patch[i].vertex.xyz, patch[i].ase_normal));
				float phongStrength = _TessPhongStrength;
				o.vertex.xyz = phongStrength * (pp[0]*bary.x + pp[1]*bary.y + pp[2]*bary.z) + (1.0f-phongStrength) * o.vertex.xyz;
				#endif
				UNITY_TRANSFER_INSTANCE_ID(patch[0], o);
				return VertexFunction(o);
			}
			#else
			VertexOutput vert ( VertexInput v )
			{
				return VertexFunction( v );
			}
			#endif

			half4 frag ( VertexOutput IN  ) : SV_Target
			{
				UNITY_SETUP_INSTANCE_ID( IN );
				UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX( IN );

				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				float3 WorldPosition = IN.worldPos;
				#endif
				float4 ShadowCoords = float4( 0, 0, 0, 0 );

				#if defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
					#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
						ShadowCoords = IN.shadowCoord;
					#elif defined(MAIN_LIGHT_CALCULATE_SHADOWS)
						ShadowCoords = TransformWorldToShadowCoord( WorldPosition );
					#endif
				#endif
				float4 temp_output_43_0_g2 = _SpecularColor;
				float3 ase_worldViewDir = ( _WorldSpaceCameraPos.xyz - WorldPosition );
				ase_worldViewDir = normalize(ase_worldViewDir);
				float3 normalizeResult4_g3 = normalize( ( ase_worldViewDir + _MainLightPosition.xyz ) );
				float3 ase_worldTangent = IN.ase_texcoord3.xyz;
				float3 ase_worldNormal = IN.ase_texcoord4.xyz;
				float3 ase_worldBitangent = IN.ase_texcoord5.xyz;
				float3 tanToWorld0 = float3( ase_worldTangent.x, ase_worldBitangent.x, ase_worldNormal.x );
				float3 tanToWorld1 = float3( ase_worldTangent.y, ase_worldBitangent.y, ase_worldNormal.y );
				float3 tanToWorld2 = float3( ase_worldTangent.z, ase_worldBitangent.z, ase_worldNormal.z );
				float3 tanNormal12_g2 = float3(0,0,1);
				float3 worldNormal12_g2 = float3(dot(tanToWorld0,tanNormal12_g2), dot(tanToWorld1,tanNormal12_g2), dot(tanToWorld2,tanNormal12_g2));
				float3 normalizeResult64_g2 = normalize( worldNormal12_g2 );
				float dotResult19_g2 = dot( normalizeResult4_g3 , normalizeResult64_g2 );
				float ase_lightAtten = 0;
				Light ase_lightAtten_mainLight = GetMainLight( ShadowCoords );
				ase_lightAtten = ase_lightAtten_mainLight.distanceAttenuation * ase_lightAtten_mainLight.shadowAttenuation;
				float4 temp_output_40_0_g2 = ( _MainLightColor * ase_lightAtten );
				float dotResult14_g2 = dot( normalizeResult64_g2 , _MainLightPosition.xyz );
				float3 bakedGI34_g2 = ASEIndirectDiffuse( IN.lightmapUVOrVertexSH.xy, normalizeResult64_g2);
				float4 temp_output_42_0_g2 = _MainColor;
				float fresnelNdotV15 = dot( ase_worldNormal, ase_worldViewDir );
				float fresnelNode15 = ( 0.0 + 3.0 * pow( 1.0 - fresnelNdotV15, 1.0 ) );
				float _Float4_Instance = UNITY_ACCESS_INSTANCED_PROP(SubsurfaceTest,_Float4);
				float dotResult11 = dot( ase_worldViewDir , ( _MainLightPosition.xyz + ( ase_worldNormal * _Float4_Instance ) ) );
				float4 color22 = IsGammaSpace() ? float4(0.4449075,1,0.3160377,0) : float4(0.1665441,1,0.08143245,0);
				
				float4 _green_leaves_PNG3615_ST_Instance = UNITY_ACCESS_INSTANCED_PROP(SubsurfaceTest,_green_leaves_PNG3615_ST);
				float2 uv_green_leaves_PNG3615 = IN.ase_texcoord7.xy * _green_leaves_PNG3615_ST_Instance.xy + _green_leaves_PNG3615_ST_Instance.zw;
				
				float3 BakedAlbedo = 0;
				float3 BakedEmission = 0;
				float3 Color = ( ( ( ( ( float4( (temp_output_43_0_g2).rgb , 0.0 ) * (temp_output_43_0_g2).a * pow( max( dotResult19_g2 , 0.0 ) , ( _Shininess * 128.0 ) ) * temp_output_40_0_g2 ) + ( ( ( temp_output_40_0_g2 * max( dotResult14_g2 , 0.0 ) ) + float4( bakedGI34_g2 , 0.0 ) ) * float4( (temp_output_42_0_g2).rgb , 0.0 ) ) ) * 2.0 ) + ( ( fresnelNode15 * saturate( -dotResult11 ) ) * _subsurface ) ) * color22 ).rgb;
				float Alpha = tex2D( _green_leaves_PNG3615, uv_green_leaves_PNG3615 ).a;
				float AlphaClipThreshold = 0.5;
				float AlphaClipThresholdShadow = 0.5;

				#ifdef _ALPHATEST_ON
					clip( Alpha - AlphaClipThreshold );
				#endif

				#ifdef LOD_FADE_CROSSFADE
					LODDitheringTransition( IN.clipPos.xyz, unity_LODFade.x );
				#endif

				#ifdef ASE_FOG
					Color = MixFog( Color, IN.fogFactor );
				#endif

				return half4( Color, Alpha );
			}

			ENDHLSL
		}

		
		Pass
		{
			
			Name "ShadowCaster"
			Tags { "LightMode"="ShadowCaster" }

			ZWrite On
			ZTest LEqual
			AlphaToMask Off

			HLSLPROGRAM
			#pragma multi_compile_instancing
			#define _ALPHATEST_ON 1
			#define ASE_SRP_VERSION 999999

			#pragma prefer_hlslcc gles
			#pragma exclude_renderers d3d11_9x

			#pragma vertex vert
			#pragma fragment frag

			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl"
			#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"

			#pragma multi_compile_instancing


			struct VertexInput
			{
				float4 vertex : POSITION;
				float3 ase_normal : NORMAL;
				float4 ase_texcoord : TEXCOORD0;
				UNITY_VERTEX_INPUT_INSTANCE_ID
			};

			struct VertexOutput
			{
				float4 clipPos : SV_POSITION;
				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				float3 worldPos : TEXCOORD0;
				#endif
				#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) && defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
				float4 shadowCoord : TEXCOORD1;
				#endif
				float4 ase_texcoord2 : TEXCOORD2;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				UNITY_VERTEX_OUTPUT_STEREO
			};

			CBUFFER_START(UnityPerMaterial)
			float4 _SpecularColor;
			float4 _MainColor;
			float _Shininess;
			float _subsurface;
			#ifdef TESSELLATION_ON
				float _TessPhongStrength;
				float _TessValue;
				float _TessMin;
				float _TessMax;
				float _TessEdgeLength;
				float _TessMaxDisp;
			#endif
			CBUFFER_END
			sampler2D _green_leaves_PNG3615;
			SAMPLER(sampler_green_leaves_PNG3615);
			UNITY_INSTANCING_BUFFER_START(SubsurfaceTest)
				UNITY_DEFINE_INSTANCED_PROP(float4, _green_leaves_PNG3615_ST)
			UNITY_INSTANCING_BUFFER_END(SubsurfaceTest)


			
			float3 _LightDirection;

			VertexOutput VertexFunction( VertexInput v )
			{
				VertexOutput o;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_TRANSFER_INSTANCE_ID(v, o);
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO( o );

				o.ase_texcoord2.xy = v.ase_texcoord.xy;
				
				//setting value to unused interpolator channels and avoid initialization warnings
				o.ase_texcoord2.zw = 0;
				#ifdef ASE_ABSOLUTE_VERTEX_POS
					float3 defaultVertexValue = v.vertex.xyz;
				#else
					float3 defaultVertexValue = float3(0, 0, 0);
				#endif
				float3 vertexValue = defaultVertexValue;
				#ifdef ASE_ABSOLUTE_VERTEX_POS
					v.vertex.xyz = vertexValue;
				#else
					v.vertex.xyz += vertexValue;
				#endif

				v.ase_normal = v.ase_normal;

				float3 positionWS = TransformObjectToWorld( v.vertex.xyz );

				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				o.worldPos = positionWS;
				#endif

				float3 normalWS = TransformObjectToWorldDir( v.ase_normal );

				float4 clipPos = TransformWorldToHClip( ApplyShadowBias( positionWS, normalWS, _LightDirection ) );

				#if UNITY_REVERSED_Z
					clipPos.z = min(clipPos.z, clipPos.w * UNITY_NEAR_CLIP_VALUE);
				#else
					clipPos.z = max(clipPos.z, clipPos.w * UNITY_NEAR_CLIP_VALUE);
				#endif

				#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) && defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
					VertexPositionInputs vertexInput = (VertexPositionInputs)0;
					vertexInput.positionWS = positionWS;
					vertexInput.positionCS = clipPos;
					o.shadowCoord = GetShadowCoord( vertexInput );
				#endif
				o.clipPos = clipPos;

				return o;
			}
			
			#if defined(TESSELLATION_ON)
			struct VertexControl
			{
				float4 vertex : INTERNALTESSPOS;
				float3 ase_normal : NORMAL;
				float4 ase_texcoord : TEXCOORD0;

				UNITY_VERTEX_INPUT_INSTANCE_ID
			};

			struct TessellationFactors
			{
				float edge[3] : SV_TessFactor;
				float inside : SV_InsideTessFactor;
			};

			VertexControl vert ( VertexInput v )
			{
				VertexControl o;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_TRANSFER_INSTANCE_ID(v, o);
				o.vertex = v.vertex;
				o.ase_normal = v.ase_normal;
				o.ase_texcoord = v.ase_texcoord;
				return o;
			}

			TessellationFactors TessellationFunction (InputPatch<VertexControl,3> v)
			{
				TessellationFactors o;
				float4 tf = 1;
				float tessValue = _TessValue; float tessMin = _TessMin; float tessMax = _TessMax;
				float edgeLength = _TessEdgeLength; float tessMaxDisp = _TessMaxDisp;
				#if defined(ASE_FIXED_TESSELLATION)
				tf = FixedTess( tessValue );
				#elif defined(ASE_DISTANCE_TESSELLATION)
				tf = DistanceBasedTess(v[0].vertex, v[1].vertex, v[2].vertex, tessValue, tessMin, tessMax, GetObjectToWorldMatrix(), _WorldSpaceCameraPos );
				#elif defined(ASE_LENGTH_TESSELLATION)
				tf = EdgeLengthBasedTess(v[0].vertex, v[1].vertex, v[2].vertex, edgeLength, GetObjectToWorldMatrix(), _WorldSpaceCameraPos, _ScreenParams );
				#elif defined(ASE_LENGTH_CULL_TESSELLATION)
				tf = EdgeLengthBasedTessCull(v[0].vertex, v[1].vertex, v[2].vertex, edgeLength, tessMaxDisp, GetObjectToWorldMatrix(), _WorldSpaceCameraPos, _ScreenParams, unity_CameraWorldClipPlanes );
				#endif
				o.edge[0] = tf.x; o.edge[1] = tf.y; o.edge[2] = tf.z; o.inside = tf.w;
				return o;
			}

			[domain("tri")]
			[partitioning("fractional_odd")]
			[outputtopology("triangle_cw")]
			[patchconstantfunc("TessellationFunction")]
			[outputcontrolpoints(3)]
			VertexControl HullFunction(InputPatch<VertexControl, 3> patch, uint id : SV_OutputControlPointID)
			{
			   return patch[id];
			}

			[domain("tri")]
			VertexOutput DomainFunction(TessellationFactors factors, OutputPatch<VertexControl, 3> patch, float3 bary : SV_DomainLocation)
			{
				VertexInput o = (VertexInput) 0;
				o.vertex = patch[0].vertex * bary.x + patch[1].vertex * bary.y + patch[2].vertex * bary.z;
				o.ase_normal = patch[0].ase_normal * bary.x + patch[1].ase_normal * bary.y + patch[2].ase_normal * bary.z;
				o.ase_texcoord = patch[0].ase_texcoord * bary.x + patch[1].ase_texcoord * bary.y + patch[2].ase_texcoord * bary.z;
				#if defined(ASE_PHONG_TESSELLATION)
				float3 pp[3];
				for (int i = 0; i < 3; ++i)
					pp[i] = o.vertex.xyz - patch[i].ase_normal * (dot(o.vertex.xyz, patch[i].ase_normal) - dot(patch[i].vertex.xyz, patch[i].ase_normal));
				float phongStrength = _TessPhongStrength;
				o.vertex.xyz = phongStrength * (pp[0]*bary.x + pp[1]*bary.y + pp[2]*bary.z) + (1.0f-phongStrength) * o.vertex.xyz;
				#endif
				UNITY_TRANSFER_INSTANCE_ID(patch[0], o);
				return VertexFunction(o);
			}
			#else
			VertexOutput vert ( VertexInput v )
			{
				return VertexFunction( v );
			}
			#endif

			half4 frag(VertexOutput IN  ) : SV_TARGET
			{
				UNITY_SETUP_INSTANCE_ID( IN );
				UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX( IN );

				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				float3 WorldPosition = IN.worldPos;
				#endif
				float4 ShadowCoords = float4( 0, 0, 0, 0 );

				#if defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
					#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
						ShadowCoords = IN.shadowCoord;
					#elif defined(MAIN_LIGHT_CALCULATE_SHADOWS)
						ShadowCoords = TransformWorldToShadowCoord( WorldPosition );
					#endif
				#endif

				float4 _green_leaves_PNG3615_ST_Instance = UNITY_ACCESS_INSTANCED_PROP(SubsurfaceTest,_green_leaves_PNG3615_ST);
				float2 uv_green_leaves_PNG3615 = IN.ase_texcoord2.xy * _green_leaves_PNG3615_ST_Instance.xy + _green_leaves_PNG3615_ST_Instance.zw;
				
				float Alpha = tex2D( _green_leaves_PNG3615, uv_green_leaves_PNG3615 ).a;
				float AlphaClipThreshold = 0.5;
				float AlphaClipThresholdShadow = 0.5;

				#ifdef _ALPHATEST_ON
					#ifdef _ALPHATEST_SHADOW_ON
						clip(Alpha - AlphaClipThresholdShadow);
					#else
						clip(Alpha - AlphaClipThreshold);
					#endif
				#endif

				#ifdef LOD_FADE_CROSSFADE
					LODDitheringTransition( IN.clipPos.xyz, unity_LODFade.x );
				#endif
				return 0;
			}

			ENDHLSL
		}

		
		Pass
		{
			
			Name "DepthOnly"
			Tags { "LightMode"="DepthOnly" }

			ZWrite On
			ColorMask 0
			AlphaToMask Off

			HLSLPROGRAM
			#pragma multi_compile_instancing
			#define _ALPHATEST_ON 1
			#define ASE_SRP_VERSION 999999

			#pragma prefer_hlslcc gles
			#pragma exclude_renderers d3d11_9x

			#pragma vertex vert
			#pragma fragment frag

			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl"
			#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"

			#pragma multi_compile_instancing


			struct VertexInput
			{
				float4 vertex : POSITION;
				float3 ase_normal : NORMAL;
				float4 ase_texcoord : TEXCOORD0;
				UNITY_VERTEX_INPUT_INSTANCE_ID
			};

			struct VertexOutput
			{
				float4 clipPos : SV_POSITION;
				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				float3 worldPos : TEXCOORD0;
				#endif
				#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) && defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
				float4 shadowCoord : TEXCOORD1;
				#endif
				float4 ase_texcoord2 : TEXCOORD2;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				UNITY_VERTEX_OUTPUT_STEREO
			};

			CBUFFER_START(UnityPerMaterial)
			float4 _SpecularColor;
			float4 _MainColor;
			float _Shininess;
			float _subsurface;
			#ifdef TESSELLATION_ON
				float _TessPhongStrength;
				float _TessValue;
				float _TessMin;
				float _TessMax;
				float _TessEdgeLength;
				float _TessMaxDisp;
			#endif
			CBUFFER_END
			sampler2D _green_leaves_PNG3615;
			SAMPLER(sampler_green_leaves_PNG3615);
			UNITY_INSTANCING_BUFFER_START(SubsurfaceTest)
				UNITY_DEFINE_INSTANCED_PROP(float4, _green_leaves_PNG3615_ST)
			UNITY_INSTANCING_BUFFER_END(SubsurfaceTest)


			
			VertexOutput VertexFunction( VertexInput v  )
			{
				VertexOutput o = (VertexOutput)0;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_TRANSFER_INSTANCE_ID(v, o);
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);

				o.ase_texcoord2.xy = v.ase_texcoord.xy;
				
				//setting value to unused interpolator channels and avoid initialization warnings
				o.ase_texcoord2.zw = 0;
				#ifdef ASE_ABSOLUTE_VERTEX_POS
					float3 defaultVertexValue = v.vertex.xyz;
				#else
					float3 defaultVertexValue = float3(0, 0, 0);
				#endif
				float3 vertexValue = defaultVertexValue;
				#ifdef ASE_ABSOLUTE_VERTEX_POS
					v.vertex.xyz = vertexValue;
				#else
					v.vertex.xyz += vertexValue;
				#endif

				v.ase_normal = v.ase_normal;

				float3 positionWS = TransformObjectToWorld( v.vertex.xyz );

				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				o.worldPos = positionWS;
				#endif

				o.clipPos = TransformWorldToHClip( positionWS );
				#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) && defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
					VertexPositionInputs vertexInput = (VertexPositionInputs)0;
					vertexInput.positionWS = positionWS;
					vertexInput.positionCS = clipPos;
					o.shadowCoord = GetShadowCoord( vertexInput );
				#endif
				return o;
			}

			#if defined(TESSELLATION_ON)
			struct VertexControl
			{
				float4 vertex : INTERNALTESSPOS;
				float3 ase_normal : NORMAL;
				float4 ase_texcoord : TEXCOORD0;

				UNITY_VERTEX_INPUT_INSTANCE_ID
			};

			struct TessellationFactors
			{
				float edge[3] : SV_TessFactor;
				float inside : SV_InsideTessFactor;
			};

			VertexControl vert ( VertexInput v )
			{
				VertexControl o;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_TRANSFER_INSTANCE_ID(v, o);
				o.vertex = v.vertex;
				o.ase_normal = v.ase_normal;
				o.ase_texcoord = v.ase_texcoord;
				return o;
			}

			TessellationFactors TessellationFunction (InputPatch<VertexControl,3> v)
			{
				TessellationFactors o;
				float4 tf = 1;
				float tessValue = _TessValue; float tessMin = _TessMin; float tessMax = _TessMax;
				float edgeLength = _TessEdgeLength; float tessMaxDisp = _TessMaxDisp;
				#if defined(ASE_FIXED_TESSELLATION)
				tf = FixedTess( tessValue );
				#elif defined(ASE_DISTANCE_TESSELLATION)
				tf = DistanceBasedTess(v[0].vertex, v[1].vertex, v[2].vertex, tessValue, tessMin, tessMax, GetObjectToWorldMatrix(), _WorldSpaceCameraPos );
				#elif defined(ASE_LENGTH_TESSELLATION)
				tf = EdgeLengthBasedTess(v[0].vertex, v[1].vertex, v[2].vertex, edgeLength, GetObjectToWorldMatrix(), _WorldSpaceCameraPos, _ScreenParams );
				#elif defined(ASE_LENGTH_CULL_TESSELLATION)
				tf = EdgeLengthBasedTessCull(v[0].vertex, v[1].vertex, v[2].vertex, edgeLength, tessMaxDisp, GetObjectToWorldMatrix(), _WorldSpaceCameraPos, _ScreenParams, unity_CameraWorldClipPlanes );
				#endif
				o.edge[0] = tf.x; o.edge[1] = tf.y; o.edge[2] = tf.z; o.inside = tf.w;
				return o;
			}

			[domain("tri")]
			[partitioning("fractional_odd")]
			[outputtopology("triangle_cw")]
			[patchconstantfunc("TessellationFunction")]
			[outputcontrolpoints(3)]
			VertexControl HullFunction(InputPatch<VertexControl, 3> patch, uint id : SV_OutputControlPointID)
			{
			   return patch[id];
			}

			[domain("tri")]
			VertexOutput DomainFunction(TessellationFactors factors, OutputPatch<VertexControl, 3> patch, float3 bary : SV_DomainLocation)
			{
				VertexInput o = (VertexInput) 0;
				o.vertex = patch[0].vertex * bary.x + patch[1].vertex * bary.y + patch[2].vertex * bary.z;
				o.ase_normal = patch[0].ase_normal * bary.x + patch[1].ase_normal * bary.y + patch[2].ase_normal * bary.z;
				o.ase_texcoord = patch[0].ase_texcoord * bary.x + patch[1].ase_texcoord * bary.y + patch[2].ase_texcoord * bary.z;
				#if defined(ASE_PHONG_TESSELLATION)
				float3 pp[3];
				for (int i = 0; i < 3; ++i)
					pp[i] = o.vertex.xyz - patch[i].ase_normal * (dot(o.vertex.xyz, patch[i].ase_normal) - dot(patch[i].vertex.xyz, patch[i].ase_normal));
				float phongStrength = _TessPhongStrength;
				o.vertex.xyz = phongStrength * (pp[0]*bary.x + pp[1]*bary.y + pp[2]*bary.z) + (1.0f-phongStrength) * o.vertex.xyz;
				#endif
				UNITY_TRANSFER_INSTANCE_ID(patch[0], o);
				return VertexFunction(o);
			}
			#else
			VertexOutput vert ( VertexInput v )
			{
				return VertexFunction( v );
			}
			#endif

			half4 frag(VertexOutput IN  ) : SV_TARGET
			{
				UNITY_SETUP_INSTANCE_ID(IN);
				UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX( IN );

				#if defined(ASE_NEEDS_FRAG_WORLD_POSITION)
				float3 WorldPosition = IN.worldPos;
				#endif
				float4 ShadowCoords = float4( 0, 0, 0, 0 );

				#if defined(ASE_NEEDS_FRAG_SHADOWCOORDS)
					#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
						ShadowCoords = IN.shadowCoord;
					#elif defined(MAIN_LIGHT_CALCULATE_SHADOWS)
						ShadowCoords = TransformWorldToShadowCoord( WorldPosition );
					#endif
				#endif

				float4 _green_leaves_PNG3615_ST_Instance = UNITY_ACCESS_INSTANCED_PROP(SubsurfaceTest,_green_leaves_PNG3615_ST);
				float2 uv_green_leaves_PNG3615 = IN.ase_texcoord2.xy * _green_leaves_PNG3615_ST_Instance.xy + _green_leaves_PNG3615_ST_Instance.zw;
				
				float Alpha = tex2D( _green_leaves_PNG3615, uv_green_leaves_PNG3615 ).a;
				float AlphaClipThreshold = 0.5;

				#ifdef _ALPHATEST_ON
					clip(Alpha - AlphaClipThreshold);
				#endif

				#ifdef LOD_FADE_CROSSFADE
					LODDitheringTransition( IN.clipPos.xyz, unity_LODFade.x );
				#endif
				return 0;
			}
			ENDHLSL
		}

	
	}
	CustomEditor "UnityEditor.ShaderGraph.PBRMasterGUI"
	Fallback "Hidden/InternalErrorShader"
	
}