Mindgames/Library/PackageCache/com.unity.render-pipelines.high-definition@6.9.0-preview/Runtime/Material/Builtin/BuiltinData.cs

   1 //-----------------------------------------------------------------------------
   2 // structure definition
   3 //-----------------------------------------------------------------------------
   4 using UnityEngine.Experimental.Rendering.HDPipeline.Attributes;
   5
   6 namespace UnityEngine.Experimental.Rendering.HDPipeline
   7 {
   8     public class Builtin // Note: This particular class doesn't derive from RenderPipelineMaterial
   9     {
  10         //-----------------------------------------------------------------------------
  11         // BuiltinData
  12         // This structure include common data that should be present in all material
  13         // and are independent from the BSDF parametrization.
  14         // Note: These parameters can be store in GBuffer or not depends on storage available
  15         //-----------------------------------------------------------------------------
  16         [GenerateHLSL(PackingRules.Exact, false, false, true, 100)]
  17         public struct BuiltinData
  18         {
  19             [MaterialSharedPropertyMapping(MaterialSharedProperty.Alpha)]
  20             [SurfaceDataAttributes("Opacity")]
  21             public float opacity;
  22
  23             // These are lighting data.
  24             // We would prefer to split lighting and material information but for performance reasons,
  25             // those lighting information are fill
  26             // at the same time than material information.
  27             [SurfaceDataAttributes("Bake Diffuse Lighting", false, true)]
  28             public Vector3 bakeDiffuseLighting; // This is the result of sampling lightmap/lightprobe/proxyvolume
  29             [SurfaceDataAttributes("Back Bake Diffuse Lighting", false, true)]
  30             public Vector3 backBakeDiffuseLighting; // This is the result of sampling lightmap/lightprobe/proxyvolume from the back for transmission
  31
  32             // Use for float instead of vector4 to ease the debug (no performance impact)
  33             // Note: We have no way to remove these value automatically based on either SHADEROPTIONS_BAKED_SHADOW_MASK_ENABLE or s_BakedShadowMaskEnable here. Unless we make two structure... For now always keep this value
  34             [SurfaceDataAttributes("Shadow Mask 0")]
  35             public float shadowMask0;
  36             [SurfaceDataAttributes("Shadow Mask 1")]
  37             public float shadowMask1;
  38             [SurfaceDataAttributes("Shadow Mask 2")]
  39             public float shadowMask2;
  40             [SurfaceDataAttributes("Shadow Mask 3")]
  41             public float shadowMask3;
  42
  43             [SurfaceDataAttributes("Emissive Color", false, false)]
  44             public Vector3 emissiveColor;
  45
  46             // These is required for motion blur and temporalAA
  47             [SurfaceDataAttributes("MotionVector")]
  48             public Vector2 motionVector;
  49
  50             // Distortion
  51             [SurfaceDataAttributes("Distortion")]
  52             public Vector2 distortion;
  53             [SurfaceDataAttributes("Distortion Blur")]
  54             public float distortionBlur;           // Define the color buffer mipmap level to use
  55
  56             // Misc
  57             [SurfaceDataAttributes("RenderingLayers")]
  58             public uint renderingLayers;
  59
  60             [SurfaceDataAttributes("Depth Offset")]
  61             public float depthOffset; // define the depth in unity unit to add in Z forward direction
  62         };
  63
  64         //-----------------------------------------------------------------------------
  65         // LightTransportData
  66         // This struct is use to store information for Enlighten/Progressive light mapper. both at runtime or off line.
  67         //-----------------------------------------------------------------------------
  68         [GenerateHLSL(PackingRules.Exact, false)]
  69         public struct LightTransportData
  70         {
  71             [SurfaceDataAttributes("", false, true)]
  72             public Vector3 diffuseColor;
  73             public Vector3 emissiveColor; // HDR value
  74         };
  75
  76         public static GraphicsFormat GetLightingBufferFormat()
  77         {
  78             return GraphicsFormat.B10G11R11_UFloatPack32;
  79         }
  80
  81         public static GraphicsFormat GetShadowMaskBufferFormat()
  82         {
  83             return GraphicsFormat.R8G8B8A8_UNorm;
  84         }
  85
  86         public static GraphicsFormat GetMotionVectorFormat()
  87         {
  88             return GraphicsFormat.R16G16_SFloat; // TODO: We should use 16bit normalized instead, better precision // RGInt
  89         }
  90
  91         public static GraphicsFormat GetDistortionBufferFormat()
  92         {
  93             // TODO: // This format need to be additive blendable and include distortionBlur, blend mode different for alpha value
  94             return GraphicsFormat.R16G16B16A16_SFloat;
  95         }
  96     }
  97 }