Library/PackageCache/com.unity.render-pipelines.high-definition@4.10.0-preview/Runtime/Material/TerrainLit/TerrainLit_Basemap_Gen.shader

   1 Shader "Hidden/HDRP/TerrainLit_Basemap_Gen"
   2 {
   3     Properties
   4     {
   5         [HideInInspector] _DstBlend("DstBlend", Float) = 0.0
   6     }
   7
   8     SubShader
   9     {
  10         Tags { "SplatCount" = "8" }
  11
  12         HLSLINCLUDE
  13
  14         #pragma target 4.5
  15         #pragma only_renderers d3d11 ps4 xboxone vulkan metal switch
  16
  17         #define USE_LEGACY_UNITY_MATRIX_VARIABLES
  18         #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
  19         #include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
  20         #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
  21
  22         #pragma shader_feature _TERRAIN_8_LAYERS
  23         #pragma shader_feature _TERRAIN_BLEND_HEIGHT
  24         #pragma shader_feature _NORMALMAP
  25         #pragma shader_feature _MASKMAP
  26
  27         #ifdef _MASKMAP
  28             // Needed because unity tries to match the name of the used textures to samplers. Masks can be used without splats in Metallic pass.
  29             #define OVERRIDE_SAMPLER_NAME sampler_Mask0
  30         #endif
  31         #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/TerrainLit/TerrainLitSplatCommon.hlsl"
  32
  33         struct Attributes {
  34             float3 vertex : POSITION;
  35             float2 texcoord : TEXCOORD0;
  36         };
  37
  38         struct Varyings
  39         {
  40             float4 positionCS : SV_POSITION;
  41             float2 texcoord : TEXCOORD0;
  42         };
  43
  44         ENDHLSL
  45
  46         Pass
  47         {
  48             Tags
  49             {
  50                 "Name" = "_MainTex"
  51                 "Format" = "ARGB32"
  52                 "Size" = "1"
  53             }
  54
  55             ZTest Always Cull Off ZWrite Off
  56             Blend One [_DstBlend]
  57
  58             HLSLPROGRAM
  59
  60             #pragma vertex Vert
  61             #pragma fragment Frag
  62
  63             Varyings Vert(Attributes input)
  64             {
  65                 Varyings output;
  66                 output.positionCS = TransformWorldToHClip(input.vertex);
  67                 output.texcoord = input.texcoord;
  68                 return output;
  69             }
  70
  71             float4 Frag(Varyings input) : SV_Target
  72             {
  73                 float4 albedo;
  74                 float3 normalTS;
  75                 float metallic;
  76                 float ao;
  77                 TerrainSplatBlend(input.texcoord, float3(0, 0, 0), float3(0, 0, 0),
  78                     albedo.xyz, normalTS, albedo.w, metallic, ao);
  79
  80                 return albedo;
  81             }
  82
  83             ENDHLSL
  84         }
  85
  86         Pass
  87         {
  88             Tags
  89             {
  90                 "Name" = "_MetallicTex"
  91                 "Format" = "RG16"
  92                 "Size" = "1/4"
  93             }
  94
  95             ZTest Always Cull Off ZWrite Off
  96             Blend One [_DstBlend]
  97
  98             HLSLPROGRAM
  99
 100             #pragma vertex Vert
 101             #pragma fragment Frag
 102
 103             Varyings Vert(Attributes input)
 104             {
 105                 Varyings output;
 106                 output.positionCS = TransformWorldToHClip(input.vertex);
 107                 output.texcoord = input.texcoord;
 108                 return output;
 109             }
 110
 111             float2 Frag(Varyings input) : SV_Target
 112             {
 113                 float4 albedo;
 114                 float3 normalTS;
 115                 float metallic;
 116                 float ao;
 117                 TerrainSplatBlend(input.texcoord, float3(0, 0, 0), float3(0, 0, 0),
 118                     albedo.xyz, normalTS, albedo.w, metallic, ao);
 119
 120                 return float2(metallic, ao);
 121             }
 122
 123             ENDHLSL
 124         }
 125     }
 126     Fallback Off
 127 }