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LukasKastern/DBufferDecal.shader

Created November 28, 2021 13:44
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Extracted URP (v12.1) DBufferDecal shader from shader graph
Raw
DBufferDecal.shader
Shader "DBufferDecal"
{
Properties
{
[HideInInspector]_DrawOrder("Draw Order", Range(-50, 50)) = 0
[HideInInspector][Enum(Depth Bias, 0, View Bias, 1)]_DecalMeshBiasType("DecalMesh BiasType", Float) = 0
[HideInInspector]_DecalMeshDepthBias("DecalMesh DepthBias", Float) = 0
[HideInInspector]_DecalMeshViewBias("DecalMesh ViewBias", Float) = 0
[HideInInspector][NoScaleOffset]unity_Lightmaps("unity_Lightmaps", 2DArray) = "" {}
[HideInInspector][NoScaleOffset]unity_LightmapsInd("unity_LightmapsInd", 2DArray) = "" {}
[HideInInspector][NoScaleOffset]unity_ShadowMasks("unity_ShadowMasks", 2DArray) = "" {}
}
SubShader
{
Tags
{
"RenderPipeline"="UniversalPipeline"
// RenderType: <None>
"PreviewType"="Plane"
// Queue: <None>
"ShaderGraphShader"="true"
"ShaderGraphTargetId"=""
}
Pass
{
Name "DBufferProjector"
Tags
{
"LightMode" = "DBufferProjector"
}
// Render State
Cull Front
Blend 0 SrcAlpha OneMinusSrcAlpha, Zero OneMinusSrcAlpha
Blend 1 SrcAlpha OneMinusSrcAlpha, Zero OneMinusSrcAlpha
Blend 2 SrcAlpha OneMinusSrcAlpha, Zero OneMinusSrcAlpha
ZTest Greater
ZWrite Off
ColorMask RGBA
ColorMask RGBA 1
ColorMask RGBA 2
// --------------------------------------------------
// Pass
HLSLPROGRAM
// Pragmas
#pragma target 3.5
#pragma vertex Vert
#pragma fragment Frag
#pragma multi_compile_instancing
// Keywords
#pragma multi_compile _ _DBUFFER_MRT1 _DBUFFER_MRT2 _DBUFFER_MRT3
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Texture.hlsl"
// Defines
#define HAVE_MESH_MODIFICATION
#define SHADERPASS SHADERPASS_DBUFFER_PROJECTOR
#define _MATERIAL_AFFECTS_ALBEDO 1
#define _MATERIAL_AFFECTS_NORMAL 1
#define _MATERIAL_AFFECTS_NORMAL_BLEND 1
#define _MATERIAL_AFFECTS_MAOS 1
// HybridV1InjectedBuiltinProperties: <None>
// -- Properties used by ScenePickingPass
#ifdef SCENEPICKINGPASS
float4 _SelectionID;
#endif
// Includes
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Texture.hlsl"
#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/TextureStack.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl"
#include "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/ShaderPass.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/DecalInput.hlsl"
#include "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/ShaderVariablesDecal.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/DBuffer.hlsl"
// --------------------------------------------------
// Structs and Packing
struct Attributes
{
float3 positionOS : POSITION;
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC;
#endif
};
struct Varyings
{
float4 positionCS : SV_POSITION;
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : CUSTOM_INSTANCE_ID;
#endif
#if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
uint stereoTargetEyeIndexAsBlendIdx0 : BLENDINDICES0;
#endif
#if (defined(UNITY_STEREO_INSTANCING_ENABLED))
uint stereoTargetEyeIndexAsRTArrayIdx : SV_RenderTargetArrayIndex;
#endif
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
FRONT_FACE_TYPE cullFace : FRONT_FACE_SEMANTIC;
#endif
};
struct SurfaceDescriptionInputs
{
float3 TangentSpaceNormal;
};
struct VertexDescriptionInputs
{
};
struct PackedVaryings
{
float4 positionCS : SV_POSITION;
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : CUSTOM_INSTANCE_ID;
#endif
#if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
uint stereoTargetEyeIndexAsBlendIdx0 : BLENDINDICES0;
#endif
#if (defined(UNITY_STEREO_INSTANCING_ENABLED))
uint stereoTargetEyeIndexAsRTArrayIdx : SV_RenderTargetArrayIndex;
#endif
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
FRONT_FACE_TYPE cullFace : FRONT_FACE_SEMANTIC;
#endif
};
PackedVaryings PackVaryings(Varyings input)
{
PackedVaryings output;
ZERO_INITIALIZE(PackedVaryings, output);
output.positionCS = input.positionCS;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif
#if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
output.stereoTargetEyeIndexAsBlendIdx0 = input.stereoTargetEyeIndexAsBlendIdx0;
#endif
#if (defined(UNITY_STEREO_INSTANCING_ENABLED))
output.stereoTargetEyeIndexAsRTArrayIdx = input.stereoTargetEyeIndexAsRTArrayIdx;
#endif
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
output.cullFace = input.cullFace;
#endif
return output;
}
Varyings UnpackVaryings(PackedVaryings input)
{
Varyings output;
output.positionCS = input.positionCS;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif
#if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
output.stereoTargetEyeIndexAsBlendIdx0 = input.stereoTargetEyeIndexAsBlendIdx0;
#endif
#if (defined(UNITY_STEREO_INSTANCING_ENABLED))
output.stereoTargetEyeIndexAsRTArrayIdx = input.stereoTargetEyeIndexAsRTArrayIdx;
#endif
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
output.cullFace = input.cullFace;
#endif
return output;
}
// --------------------------------------------------
// Graph
// Graph Properties
CBUFFER_START(UnityPerMaterial)
float _DrawOrder;
float _DecalMeshBiasType;
float _DecalMeshDepthBias;
float _DecalMeshViewBias;
CBUFFER_END
// Object and Global properties
// Graph Vertex
struct VertexDescription
{
};
VertexDescription VertexDescriptionFunction(VertexDescriptionInputs IN)
{
VertexDescription description = (VertexDescription)0;
return description;
}
// Graph Pixel
struct SurfaceDescription
{
float3 BaseColor;
float Alpha;
float3 NormalTS;
float NormalAlpha;
float Metallic;
float Occlusion;
float Smoothness;
float MAOSAlpha;
};
SurfaceDescription SurfaceDescriptionFunction(SurfaceDescriptionInputs IN)
{
SurfaceDescription surface = (SurfaceDescription)0;
surface.BaseColor = float3(0, 0, 1);
surface.Alpha = 1;
surface.NormalTS = IN.TangentSpaceNormal;
surface.NormalAlpha = 1;
surface.Metallic = 0;
surface.Occlusion = 1;
surface.Smoothness = 1;
surface.MAOSAlpha = 0;
return surface;
}
SurfaceDescriptionInputs BuildSurfaceDescriptionInputs(Varyings input)
{
SurfaceDescriptionInputs output;
ZERO_INITIALIZE(SurfaceDescriptionInputs, output);
output.TangentSpaceNormal = float3(0.0f, 0.0f, 1.0f);
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
#define BUILD_SURFACE_DESCRIPTION_INPUTS_OUTPUT_FACESIGN
output.FaceSign = IS_FRONT_VFACE(input.cullFace, true, false);
#else
#define BUILD_SURFACE_DESCRIPTION_INPUTS_OUTPUT_FACESIGN
#endif
#undef BUILD_SURFACE_DESCRIPTION_INPUTS_OUTPUT_FACESIGN
return output;
}
// --------------------------------------------------
// Build Surface Data
uint2 ComputeFadeMaskSeed(uint2 positionSS)
{
uint2 fadeMaskSeed;
// Can't use the view direction, it is the same across the entire screen.
fadeMaskSeed = positionSS;
return fadeMaskSeed;
}
void GetSurfaceData(Varyings input, half3 viewDirectioWS, uint2 positionSS, float angleFadeFactor,
out DecalSurfaceData surfaceData)
{
#if (SHADERPASS == SHADERPASS_DBUFFER_PROJECTOR) || (SHADERPASS == SHADERPASS_FORWARD_EMISSIVE_PROJECTOR) || (SHADERPASS == SHADERPASS_DECAL_SCREEN_SPACE_PROJECTOR) || (SHADERPASS == SHADERPASS_DECAL_GBUFFER_PROJECTOR)
half4x4 normalToWorld = UNITY_ACCESS_INSTANCED_PROP(Decal, _NormalToWorld);
half fadeFactor = clamp(normalToWorld[0][3], 0.0f, 1.0f) * angleFadeFactor;
float2 scale = float2(normalToWorld[3][0], normalToWorld[3][1]);
float2 offset = float2(normalToWorld[3][2], normalToWorld[3][3]);
#else
#ifdef LOD_FADE_CROSSFADE // enable dithering LOD transition if user select CrossFade transition in LOD group
LODDitheringTransition(ComputeFadeMaskSeed(positionSS), unity_LODFade.x);
#endif
half fadeFactor = half(1.0);
#endif
SurfaceDescriptionInputs surfaceDescriptionInputs = BuildSurfaceDescriptionInputs(input);
SurfaceDescription surfaceDescription = SurfaceDescriptionFunction(surfaceDescriptionInputs);
// setup defaults -- these are used if the graph doesn't output a value
ZERO_INITIALIZE(DecalSurfaceData, surfaceData);
surfaceData.occlusion = half(1.0);
surfaceData.smoothness = half(0);
#ifdef _MATERIAL_AFFECTS_NORMAL
surfaceData.normalWS.w = half(1.0);
#else
surfaceData.normalWS.w = half(0.0);
#endif
// copy across graph values, if defined
surfaceData.baseColor.xyz = half3(surfaceDescription.BaseColor);
surfaceData.baseColor.w = half(surfaceDescription.Alpha * fadeFactor);
#if (SHADERPASS == SHADERPASS_DBUFFER_PROJECTOR) || (SHADERPASS == SHADERPASS_DECAL_SCREEN_SPACE_PROJECTOR) || (SHADERPASS == SHADERPASS_DECAL_GBUFFER_PROJECTOR)
#if defined(_MATERIAL_AFFECTS_NORMAL)
surfaceData.normalWS.xyz = mul((half3x3)normalToWorld, surfaceDescription.NormalTS.xyz);
#else
surfaceData.normalWS.xyz = normalToWorld[2].xyz;
#endif
#elif (SHADERPASS == SHADERPASS_DBUFFER_MESH) || (SHADERPASS == SHADERPASS_DECAL_SCREEN_SPACE_MESH) || (SHADERPASS == SHADERPASS_DECAL_GBUFFER_MESH)
#if defined(_MATERIAL_AFFECTS_NORMAL)
float sgn = input.tangentWS.w; // should be either +1 or -1
float3 bitangent = sgn * cross(input.normalWS.xyz, input.tangentWS.xyz);
half3x3 tangentToWorld = half3x3(input.tangentWS.xyz, bitangent.xyz, input.normalWS.xyz);
// We need to normalize as we use mikkt tangent space and this is expected (tangent space is not normalize)
surfaceData.normalWS.xyz = normalize(TransformTangentToWorld(surfaceDescription.NormalTS, tangentToWorld));
#else
surfaceData.normalWS.xyz = half3(input.normalWS); // Default to vertex normal
#endif
#endif
surfaceData.normalWS.w = surfaceDescription.NormalAlpha * fadeFactor;
// In case of Smoothness / AO / Metal, all the three are always computed but color mask can change
surfaceData.metallic = half(surfaceDescription.Metallic);
surfaceData.occlusion = half(surfaceDescription.Occlusion);
surfaceData.smoothness = half(surfaceDescription.Smoothness);
surfaceData.MAOSAlpha = half(surfaceDescription.MAOSAlpha * fadeFactor);
}
// --------------------------------------------------
// Main
#include "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/Varyings.hlsl"
#include "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/ShaderPassDecal.hlsl"
ENDHLSL
}
Pass
{
Name "ScenePickingPass"
Tags
{
"LightMode" = "Picking"
}
// Render State
Cull Back
// Debug
// <None>
// --------------------------------------------------
// Pass
HLSLPROGRAM
// Pragmas
#pragma target 3.5
#pragma vertex Vert
#pragma fragment Frag
#pragma multi_compile_instancing
// Keywords
// PassKeywords: <None>
// GraphKeywords: <None>
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Texture.hlsl"
// Defines
#define HAVE_MESH_MODIFICATION
#define SHADERPASS SHADERPASS_DEPTHONLY
#define SCENEPICKINGPASS 1
// HybridV1InjectedBuiltinProperties: <None>
// -- Properties used by ScenePickingPass
#ifdef SCENEPICKINGPASS
float4 _SelectionID;
#endif
// Includes
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Texture.hlsl"
#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/TextureStack.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl"
#include "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/ShaderPass.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/DecalInput.hlsl"
#include "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/ShaderVariablesDecal.hlsl"
// --------------------------------------------------
// Structs and Packing
struct Attributes
{
float3 positionOS : POSITION;
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC;
#endif
};
struct Varyings
{
float4 positionCS : SV_POSITION;
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : CUSTOM_INSTANCE_ID;
#endif
#if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
uint stereoTargetEyeIndexAsBlendIdx0 : BLENDINDICES0;
#endif
#if (defined(UNITY_STEREO_INSTANCING_ENABLED))
uint stereoTargetEyeIndexAsRTArrayIdx : SV_RenderTargetArrayIndex;
#endif
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
FRONT_FACE_TYPE cullFace : FRONT_FACE_SEMANTIC;
#endif
};
struct SurfaceDescriptionInputs
{
};
struct VertexDescriptionInputs
{
};
struct PackedVaryings
{
float4 positionCS : SV_POSITION;
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : CUSTOM_INSTANCE_ID;
#endif
#if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
uint stereoTargetEyeIndexAsBlendIdx0 : BLENDINDICES0;
#endif
#if (defined(UNITY_STEREO_INSTANCING_ENABLED))
uint stereoTargetEyeIndexAsRTArrayIdx : SV_RenderTargetArrayIndex;
#endif
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
FRONT_FACE_TYPE cullFace : FRONT_FACE_SEMANTIC;
#endif
};
PackedVaryings PackVaryings(Varyings input)
{
PackedVaryings output;
ZERO_INITIALIZE(PackedVaryings, output);
output.positionCS = input.positionCS;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif
#if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
output.stereoTargetEyeIndexAsBlendIdx0 = input.stereoTargetEyeIndexAsBlendIdx0;
#endif
#if (defined(UNITY_STEREO_INSTANCING_ENABLED))
output.stereoTargetEyeIndexAsRTArrayIdx = input.stereoTargetEyeIndexAsRTArrayIdx;
#endif
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
output.cullFace = input.cullFace;
#endif
return output;
}
Varyings UnpackVaryings(PackedVaryings input)
{
Varyings output;
output.positionCS = input.positionCS;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif
#if (defined(UNITY_STEREO_MULTIVIEW_ENABLED)) || (defined(UNITY_STEREO_INSTANCING_ENABLED) && (defined(SHADER_API_GLES3) || defined(SHADER_API_GLCORE)))
output.stereoTargetEyeIndexAsBlendIdx0 = input.stereoTargetEyeIndexAsBlendIdx0;
#endif
#if (defined(UNITY_STEREO_INSTANCING_ENABLED))
output.stereoTargetEyeIndexAsRTArrayIdx = input.stereoTargetEyeIndexAsRTArrayIdx;
#endif
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
output.cullFace = input.cullFace;
#endif
return output;
}
// --------------------------------------------------
// Graph
// Graph Properties
CBUFFER_START(UnityPerMaterial)
float _DrawOrder;
float _DecalMeshBiasType;
float _DecalMeshDepthBias;
float _DecalMeshViewBias;
CBUFFER_END
// Object and Global properties
// Graph Functions
// GraphFunctions: <None>
// Graph Vertex
struct VertexDescription
{
};
VertexDescription VertexDescriptionFunction(VertexDescriptionInputs IN)
{
VertexDescription description = (VertexDescription)0;
return description;
}
// Graph Pixel
struct SurfaceDescription
{
};
SurfaceDescription SurfaceDescriptionFunction(SurfaceDescriptionInputs IN)
{
SurfaceDescription surface = (SurfaceDescription)0;
return surface;
}
// --------------------------------------------------
// Build Graph Inputs
// $features.graphVertex: $include("VertexAnimation.template.hlsl")
// ^ ERROR: $include cannot find file : VertexAnimation.template.hlsl. Looked into:
// Packages/com.unity.shadergraph/Editor/Generation/Templates
// $features.graphPixel: $include("SharedCode.template.hlsl")
// ^ ERROR: $include cannot find file : SharedCode.template.hlsl. Looked into:
// Packages/com.unity.shadergraph/Editor/Generation/Templates
SurfaceDescriptionInputs BuildSurfaceDescriptionInputs(Varyings input)
{
SurfaceDescriptionInputs output;
ZERO_INITIALIZE(SurfaceDescriptionInputs, output);
/* WARNING: $splice Could not find named fragment 'CustomInterpolatorCopyToSDI' */
#if defined(SHADER_STAGE_FRAGMENT) && defined(VARYINGS_NEED_CULLFACE)
#define BUILD_SURFACE_DESCRIPTION_INPUTS_OUTPUT_FACESIGN output.FaceSign = IS_FRONT_VFACE(input.cullFace, true, false);
#else
#define BUILD_SURFACE_DESCRIPTION_INPUTS_OUTPUT_FACESIGN
#endif
#undef BUILD_SURFACE_DESCRIPTION_INPUTS_OUTPUT_FACESIGN
return output;
}
// --------------------------------------------------
// Build Surface Data
uint2 ComputeFadeMaskSeed(uint2 positionSS)
{
uint2 fadeMaskSeed;
// Can't use the view direction, it is the same across the entire screen.
fadeMaskSeed = positionSS;
return fadeMaskSeed;
}
void GetSurfaceData(Varyings input, half3 viewDirectioWS, uint2 positionSS, float angleFadeFactor,
out DecalSurfaceData surfaceData)
{
#if (SHADERPASS == SHADERPASS_DBUFFER_PROJECTOR) || (SHADERPASS == SHADERPASS_FORWARD_EMISSIVE_PROJECTOR) || (SHADERPASS == SHADERPASS_DECAL_SCREEN_SPACE_PROJECTOR) || (SHADERPASS == SHADERPASS_DECAL_GBUFFER_PROJECTOR)
half4x4 normalToWorld = UNITY_ACCESS_INSTANCED_PROP(Decal, _NormalToWorld);
half fadeFactor = clamp(normalToWorld[0][3], 0.0f, 1.0f) * angleFadeFactor;
float2 scale = float2(normalToWorld[3][0], normalToWorld[3][1]);
float2 offset = float2(normalToWorld[3][2], normalToWorld[3][3]);
#else
#ifdef LOD_FADE_CROSSFADE // enable dithering LOD transition if user select CrossFade transition in LOD group
LODDitheringTransition(ComputeFadeMaskSeed(positionSS), unity_LODFade.x);
#endif
half fadeFactor = half(1.0);
#endif
SurfaceDescriptionInputs surfaceDescriptionInputs = BuildSurfaceDescriptionInputs(input);
SurfaceDescription surfaceDescription = SurfaceDescriptionFunction(surfaceDescriptionInputs);
// setup defaults -- these are used if the graph doesn't output a value
ZERO_INITIALIZE(DecalSurfaceData, surfaceData);
surfaceData.occlusion = half(1.0);
surfaceData.smoothness = half(0);
#ifdef _MATERIAL_AFFECTS_NORMAL
surfaceData.normalWS.w = half(1.0);
#else
surfaceData.normalWS.w = half(0.0);
#endif
// copy across graph values, if defined
#if (SHADERPASS == SHADERPASS_DBUFFER_PROJECTOR) || (SHADERPASS == SHADERPASS_DECAL_SCREEN_SPACE_PROJECTOR) || (SHADERPASS == SHADERPASS_DECAL_GBUFFER_PROJECTOR)
#if defined(_MATERIAL_AFFECTS_NORMAL)
#else
surfaceData.normalWS.xyz = normalToWorld[2].xyz;
#endif
#elif (SHADERPASS == SHADERPASS_DBUFFER_MESH) || (SHADERPASS == SHADERPASS_DECAL_SCREEN_SPACE_MESH) || (SHADERPASS == SHADERPASS_DECAL_GBUFFER_MESH)
#if defined(_MATERIAL_AFFECTS_NORMAL)
float sgn = input.tangentWS.w; // should be either +1 or -1
float3 bitangent = sgn * cross(input.normalWS.xyz, input.tangentWS.xyz);
half3x3 tangentToWorld = half3x3(input.tangentWS.xyz, bitangent.xyz, input.normalWS.xyz);
// We need to normalize as we use mikkt tangent space and this is expected (tangent space is not normalize)
#else
surfaceData.normalWS.xyz = half3(input.normalWS); // Default to vertex normal
#endif
#endif
// In case of Smoothness / AO / Metal, all the three are always computed but color mask can change
}
// --------------------------------------------------
// Main
#include "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/Varyings.hlsl"
#include "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/ShaderPassDecal.hlsl"
ENDHLSL
}
}
FallBack "Hidden/Shader Graph/FallbackError"
}
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