Laurens-Packages/Packages/com.unity.render-pipelines.high-definition/Editor/Material/TerrainLit/ShaderGraph/BaseMapGenPass.template

Pass
{
    Tags
    {
        $splice(BaseGenName)
        $splice(BaseGenTexFormat)
        $splice(BaseGenTexSize)
    }

    // Render State
    $splice(RenderState)

    // --------------------------------------------------
    // Pass

    HLSLPROGRAM

    // Pragmas
    $splice(PassPragmas)

    // Keywords
    $splice(PassKeywords)
    $splice(GraphKeywords)

    // For custom interpolators to inject a substruct definition before FragInputs definition,
    // allowing for FragInputs to capture CI's intended for ShaderGraph's SDI.
    $splice(CustomInterpolatorPreInclude)

    #define SURFACE_GRADIENT
    #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
    #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Texture.hlsl"
    #include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
    #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
    #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/NormalSurfaceGradient.hlsl"
    #include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderGraphHeader.hlsl" // Need to be here for Gradient struct definition
    #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/TerrainLit/TerrainLit_Splatmap_Includes.hlsl" // Required by terrain

    // --------------------------------------------------
    // Defines

    // Attribute
    $AttributesMesh.normalOS:                           #define ATTRIBUTES_NEED_NORMAL
    $AttributesMesh.tangentOS:                          #define ATTRIBUTES_NEED_TANGENT
    $AttributesMesh.uv0:                                #define ATTRIBUTES_NEED_TEXCOORD0
    $AttributesMesh.uv1:                                #define ATTRIBUTES_NEED_TEXCOORD1
    $AttributesMesh.uv2:                                #define ATTRIBUTES_NEED_TEXCOORD2
    $AttributesMesh.uv3:                                #define ATTRIBUTES_NEED_TEXCOORD3
    $AttributesMesh.color:                              #define ATTRIBUTES_NEED_COLOR
    $AttributesMesh.vertexID:                           #define ATTRIBUTES_NEED_VERTEXID
    $VaryingsMeshToPS.positionRWS:                      #define VARYINGS_NEED_POSITION_WS
    $VaryingsMeshToPS.positionPredisplacementRWS:       #define VARYINGS_NEED_POSITIONPREDISPLACEMENT_WS
    $VaryingsMeshToPS.normalWS:                         #define VARYINGS_NEED_TANGENT_TO_WORLD
    $VaryingsMeshToPS.texCoord0:                        #define VARYINGS_NEED_TEXCOORD0
    $VaryingsMeshToPS.texCoord1:                        #define VARYINGS_NEED_TEXCOORD1
    $VaryingsMeshToPS.texCoord2:                        #define VARYINGS_NEED_TEXCOORD2
    $VaryingsMeshToPS.texCoord3:                        #define VARYINGS_NEED_TEXCOORD3
    $VaryingsMeshToPS.color:                            #define VARYINGS_NEED_COLOR
    $VaryingsMeshToPS.elementToWorld0:                  #define VARYINGS_NEED_ELEMENT_TO_WORLD
    $VaryingsMeshToPS.worldToElement0:                  #define VARYINGS_NEED_WORLD_TO_ELEMENT

    $features.graphVertex:                              #define HAVE_MESH_MODIFICATION

    $SurfaceDescriptionInputs.FaceSign:                 // Define when IsFontFaceNode is included in ShaderGraph
    $SurfaceDescriptionInputs.FaceSign:                 #define VARYINGS_NEED_CULLFACE

    $VertexDescription.CustomVelocity: #define _ADD_CUSTOM_VELOCITY

    $splice(GraphDefines)

    $features.graphTessellation: #ifdef TESSELLATION_ON
    $features.graphTessellation: // World and normal are always available
    $features.graphTessellation: $VaryingsMeshToDS.positionPredisplacementRWS:          #define VARYINGS_DS_NEED_POSITIONPREDISPLACEMENT
    $features.graphTessellation: $VaryingsMeshToDS.tangentWS:                           #define VARYINGS_DS_NEED_TANGENT
    $features.graphTessellation: $VaryingsMeshToDS.texCoord0:                           #define VARYINGS_DS_NEED_TEXCOORD0
    $features.graphTessellation: $VaryingsMeshToDS.texCoord1:                           #define VARYINGS_DS_NEED_TEXCOORD1
    $features.graphTessellation: $VaryingsMeshToDS.texCoord2:                           #define VARYINGS_DS_NEED_TEXCOORD2
    $features.graphTessellation: $VaryingsMeshToDS.texCoord3:                           #define VARYINGS_DS_NEED_TEXCOORD3
    $features.graphTessellation: $VaryingsMeshToDS.color:                               #define VARYINGS_DS_NEED_COLOR
	$features.graphTessellation: #endif

    // Following two define are a workaround introduce in 10.1.x for RaytracingQualityNode
    // The ShaderGraph don't support correctly migration of this node as it serialize all the node data
    // in the json file making it impossible to uprgrade. Until we get a fix, we do a workaround here
    // to still allow us to rename the field and keyword of this node without breaking existing code.
    #ifdef RAYTRACING_SHADER_GRAPH_DEFAULT
    #define RAYTRACING_SHADER_GRAPH_HIGH
    #endif

    #ifdef RAYTRACING_SHADER_GRAPH_RAYTRACED
    #define RAYTRACING_SHADER_GRAPH_LOW
    #endif
    // end

    #ifndef SHADER_UNLIT
    // We need isFrontFace when using double sided - it is not required for unlit as in case of unlit double sided only drive the cullmode
    // VARYINGS_NEED_CULLFACE can be define by VaryingsMeshToPS.FaceSign input if a IsFrontFace Node is included in the shader graph.
    #if defined(_DOUBLESIDED_ON) && !defined(VARYINGS_NEED_CULLFACE)
        #define VARYINGS_NEED_CULLFACE
    #endif
    #endif

    #ifndef HD_TERRAIN_ENABLED
        #ifndef UNITY_TERRAIN_CB_VARS
    #define UNITY_TERRAIN_CB_VARS
        #endif
        #ifndef UNITY_TERRAIN_CB_DEBUG_VARS
    #define UNITY_TERRAIN_CB_DEBUG_VARS
        #endif
    #endif

    // Caution: we can use the define SHADER_UNLIT onlit after the above Material include as it is the Unlit template who define it

    // -- Graph Properties
    $splice(GraphProperties)

    // -- Properties used by TerrainPass
    #if HD_TERRAIN_ENABLED
    CBUFFER_START(UnityTerrain)
        UNITY_TERRAIN_CB_VARS
        float4 _Control0_ST;
    CBUFFER_END
    #endif // HD_TERRAIN_ENABLED

    // Includes
    $splice(PreGraphIncludes)
	$splice(GraphIncludes)

    // Specific Material Define
    $include("ShaderPassDefine.template.hlsl")

    // --------------------------------------------------
    // Structs and Packing

    $splice(PassStructs)

    $splice(InterpolatorPack)

    // --------------------------------------------------
    // Graph

    // Graph Functions
    $splice(GraphFunctions)

    // Graph Vertex
    $splice(GraphVertex)

    // Graph Pixel
    $splice(GraphPixel)

    // --------------------------------------------------
    // Main

    $include("BaseMapGenPass.template.hlsl")

    ENDHLSL
}