568 lines
22 KiB
GLSL
568 lines
22 KiB
GLSL
// Shader uses custom editor to set double sided GI
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// Needs _Culling to be set properly
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Shader "Lux URP/Simple Fuzz"
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{
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Properties
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{
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[HeaderHelpLuxURP_URL(oln7rjvorl9x)]
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[Header(Surface Options)]
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[Space(5)]
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[Enum(UnityEngine.Rendering.CullMode)]
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_Cull ("Culling", Float) = 2
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[Toggle(_ALPHATEST_ON)]
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_AlphaClip ("Alpha Clipping", Float) = 0.0
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[LuxURPHelpDrawer]
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_Help ("Enabling Alpha Clipping needs you to enable and assign the Mask Map as well.", Float) = 0.0
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_Cutoff (" Threshold", Range(0.0, 1.0)) = 0.5
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[Enum(Off,0,On,1)]_Coverage (" Alpha To Coverage", Float) = 0
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[ToggleOff(_RECEIVE_SHADOWS_OFF)]
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_ReceiveShadows ("Receive Shadows", Float) = 1.0
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_ShadowOffset ("Shadow Offset", Float) = 1.0
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[Header(Fuzz Lighting)]
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[Space(5)]
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[Toggle(_SIMPLEFUZZ)]
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_EnableFuzzyLighting ("Enable Fuzzy Lighting", Float) = 1.0
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_FuzzWrap (" Diffuse Wrap", Range(0, 1)) = 0.5
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_FuzzStrength (" Fuzz Strength", Range(0, 8)) = 2
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_FuzzPower (" Fuzz Power", Range(1, 16)) = 4
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_FuzzBias (" Fuzz Bias", Range(0, 1)) = 0
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_FuzzAmbient (" Ambient Strength", Range(0, 1)) = 1
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[Header(Transmission)]
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[Space(5)]
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[Toggle(_SCATTERING)]
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_UseScattering ("Enable Transmission", Float) = 0.0
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_TranslucencyPower (" Power", Range(0.0, 32.0)) = 7.0
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_TranslucencyStrength (" Strength", Range(0.0, 1.0)) = 1.0
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_ShadowStrength (" Shadow Strength", Range(0.0, 1.0)) = 0.7
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_Distortion (" Distortion", Range(0.0, 0.1)) = 0.01
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[Header(Surface Inputs)]
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[Space(5)]
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[MainColor]
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_BaseColor ("Color", Color) = (1,1,1,1)
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[MainTexture]
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_BaseMap ("Albedo (RGB) Smoothness (A)", 2D) = "white" {}
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[Space(5)]
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_Smoothness ("Smoothness", Range(0.0, 1.0)) = 0.5
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_SpecColor ("Specular", Color) = (0.2, 0.2, 0.2)
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[Space(5)]
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[Toggle(_NORMALMAP)]
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_ApplyNormal ("Enable Normal Map", Float) = 0.0
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[NoScaleOffset]
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_BumpMap (" Normal Map", 2D) = "bump" {}
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_BumpScale (" Normal Scale", Float) = 1.0
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[Space(5)]
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[Toggle(_MASKMAP)]
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_EnableMaskMap ("Enable Mask Map", Float) = 0.0
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_MaskMap (" FuzzMask (R) Thickness (G) Occlusion (B) Alpha (A)", 2D) = "white" {}
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_OcclusionStrength (" Occlusion", Range(0.0, 1.0)) = 1
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[Header(Rim Lighting)]
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[Space(5)]
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[Toggle(_RIMLIGHTING)]
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_Rim ("Enable Rim Lighting", Float) = 0
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[HDR] _RimColor ("Rim Color", Color) = (0.5,0.5,0.5,1)
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_RimPower ("Rim Power", Float) = 2
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_RimFrequency ("Rim Frequency", Float) = 0
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_RimMinPower (" Rim Min Power", Float) = 1
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_RimPerPositionFrequency (" Rim Per Position Frequency", Range(0.0, 1.0)) = 1
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[Header(Stencil)]
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[Space(5)]
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[IntRange] _Stencil ("Stencil Reference", Range (0, 255)) = 0
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[IntRange] _ReadMask (" Read Mask", Range (0, 255)) = 255
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[IntRange] _WriteMask (" Write Mask", Range (0, 255)) = 255
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[Enum(UnityEngine.Rendering.CompareFunction)]
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_StencilComp ("Stencil Comparison", Int) = 8 // always – terrain should be the first thing being rendered anyway
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[Enum(UnityEngine.Rendering.StencilOp)]
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_StencilOp ("Stencil Operation", Int) = 0 // 0 = keep, 2 = replace
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[Enum(UnityEngine.Rendering.StencilOp)]
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_StencilFail ("Stencil Fail Op", Int) = 0 // 0 = keep
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[Enum(UnityEngine.Rendering.StencilOp)]
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_StencilZFail ("Stencil ZFail Op", Int) = 0 // 0 = keep
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[Header(Advanced)]
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[Space(5)]
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[ToggleOff]
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_SpecularHighlights ("Enable Specular Highlights", Float) = 1.0
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[ToggleOff]
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_EnvironmentReflections ("Environment Reflections", Float) = 1.0
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[Header(Render Queue)]
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[Space(5)]
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[IntRange] _QueueOffset ("Queue Offset", Range(-50, 50)) = 0
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// Needed by the inspector
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[HideInInspector] _Culling ("Culling", Float) = 0.0
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[HideInInspector] _AlphaFromMaskMap ("AlphaFromMaskMap", Float) = 1.0
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// Lightmapper and outline selection shader need _MainTex, _Color and _Cutoff
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[HideInInspector] _MainTex ("Albedo", 2D) = "white" {}
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[HideInInspector] _Color ("Color", Color) = (1,1,1,1)
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}
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SubShader
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{
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Tags
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{
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"RenderPipeline" = "UniversalPipeline"
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"RenderType" = "Opaque"
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"Queue" = "Geometry"
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}
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LOD 100
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Pass
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{
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Name "ForwardLit"
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Tags{"LightMode" = "UniversalForward"}
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Stencil {
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Ref [_Stencil]
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ReadMask [_ReadMask]
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WriteMask [_WriteMask]
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Comp [_StencilComp]
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Pass [_StencilOp]
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Fail [_StencilFail]
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ZFail [_StencilZFail]
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}
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ZWrite On
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Cull [_Cull]
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AlphaToMask [_Coverage]
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HLSLPROGRAM
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// Required to compile gles 2.0 with standard SRP library
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#pragma prefer_hlslcc gles
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#pragma exclude_renderers d3d11_9x
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// Shader target needs to be 3.0 due to tex2Dlod in the vertex shader and VFACE
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#pragma target 2.0
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// -------------------------------------
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// Material Keywords
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#define _SPECULAR_SETUP 1
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#pragma shader_feature _ALPHATEST_ON
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#pragma shader_feature_local _SIMPLEFUZZ
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#pragma shader_feature_local _MASKMAP
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#pragma shader_feature_local _SCATTERING
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#pragma shader_feature _NORMALMAP
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#pragma shader_feature_local _RIMLIGHTING
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#pragma shader_feature _SPECULARHIGHLIGHTS_OFF
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#pragma shader_feature _ENVIRONMENTREFLECTIONS_OFF
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#pragma shader_feature _RECEIVE_SHADOWS_OFF
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// -------------------------------------
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// Lightweight Pipeline keywords
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#pragma multi_compile _ _MAIN_LIGHT_SHADOWS
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#pragma multi_compile _ _MAIN_LIGHT_SHADOWS_CASCADE
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#pragma multi_compile _ _ADDITIONAL_LIGHTS_VERTEX _ADDITIONAL_LIGHTS
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#pragma multi_compile _ _ADDITIONAL_LIGHT_SHADOWS
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#pragma multi_compile _ _SHADOWS_SOFT
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#pragma multi_compile _ _MIXED_LIGHTING_SUBTRACTIVE
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// -------------------------------------
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// Unity defined keywords
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#pragma multi_compile _ DIRLIGHTMAP_COMBINED
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#pragma multi_compile _ LIGHTMAP_ON
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#pragma multi_compile_fog
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//--------------------------------------
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// GPU Instancing
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#pragma multi_compile_instancing
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// Include base inputs and all other needed "base" includes
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#include "Includes/Lux URP Simple Fuzz Inputs.hlsl"
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#pragma vertex LitPassVertex
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#pragma fragment LitPassFragment
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//--------------------------------------
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// Vertex shader
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VertexOutput LitPassVertex(VertexInput input)
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{
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VertexOutput output = (VertexOutput)0;
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UNITY_SETUP_INSTANCE_ID(input);
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UNITY_TRANSFER_INSTANCE_ID(input, output);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output);
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VertexPositionInputs vertexInput; //
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vertexInput = GetVertexPositionInputs(input.positionOS.xyz);
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VertexNormalInputs normalInput = GetVertexNormalInputs(input.normalOS, input.tangentOS);
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float3 viewDirWS = GetCameraPositionWS() - vertexInput.positionWS;
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half3 vertexLight = VertexLighting(vertexInput.positionWS, normalInput.normalWS);
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half fogFactor = ComputeFogFactor(vertexInput.positionCS.z);
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output.uv.xy = TRANSFORM_TEX(input.texcoord, _BaseMap);
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#if defined(_MASKMAP)
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output.uv.zw = TRANSFORM_TEX(input.texcoord, _MaskMap);
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#endif
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output.normalWS = normalInput.normalWS;
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output.viewDirWS = viewDirWS;
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#ifdef _NORMALMAP
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float sign = input.tangentOS.w * GetOddNegativeScale();
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output.tangentWS = float4(normalInput.tangentWS.xyz, sign);
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#endif
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OUTPUT_LIGHTMAP_UV(input.lightmapUV, unity_LightmapST, output.lightmapUV);
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OUTPUT_SH(output.normalWS.xyz, output.vertexSH);
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output.fogFactorAndVertexLight = half4(fogFactor, vertexLight);
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#if defined(REQUIRES_WORLD_SPACE_POS_INTERPOLATOR)
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output.positionWS = vertexInput.positionWS;
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#endif
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#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
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output.shadowCoord = GetShadowCoord(vertexInput);
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#endif
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output.positionCS = vertexInput.positionCS;
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return output;
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}
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//--------------------------------------
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// Fragment shader and functions
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inline void InitializeSurfaceData(
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#if defined(_MASKMAP)
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float4 uv,
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#else
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float2 uv,
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#endif
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out SurfaceDescription outSurfaceData)
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{
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half4 albedoSmoothness = SampleAlbedoAlpha(uv.xy, TEXTURE2D_ARGS(_BaseMap, sampler_BaseMap));
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#if defined(_MASKMAP)
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half4 maskSample = SAMPLE_TEXTURE2D(_MaskMap, sampler_MaskMap, uv.zw);
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outSurfaceData.fuzzMask = maskSample.r;
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outSurfaceData.translucency = maskSample.g;
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//outSurfaceData.skinMask = SSSAOSample.r;
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outSurfaceData.occlusion = lerp(1.0h, maskSample.b, _OcclusionStrength);
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#else
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outSurfaceData.fuzzMask = 1;
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outSurfaceData.translucency = 1;
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outSurfaceData.occlusion = 1;
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#endif
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#if defined(_ALPHATEST_ON) && defined(_MASKMAP)
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outSurfaceData.alpha = Alpha(maskSample.a, 1, _Cutoff);
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#else
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outSurfaceData.alpha = 1;
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#endif
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outSurfaceData.albedo = albedoSmoothness.rgb * _BaseColor.rgb;
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outSurfaceData.metallic = 0;
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outSurfaceData.specular = _SpecColor;
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outSurfaceData.smoothness = albedoSmoothness.a * _Smoothness;
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// Normal Map
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#if defined (_NORMALMAP)
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outSurfaceData.normalTS = SampleNormal(uv.xy, TEXTURE2D_ARGS(_BumpMap, sampler_BumpMap), _BumpScale);
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#else
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outSurfaceData.normalTS = half3(0,0,1);
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#endif
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outSurfaceData.emission = 0;
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}
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void InitializeInputData(VertexOutput input, half3 normalTS, half facing, out InputData inputData)
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{
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inputData = (InputData)0;
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#if defined(REQUIRES_WORLD_SPACE_POS_INTERPOLATOR)
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inputData.positionWS = input.positionWS;
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#endif
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half3 viewDirWS = SafeNormalize(input.viewDirWS);
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#if defined(_NORMALMAP) || !defined(_COTTONWOOL)
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normalTS.z *= facing;
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float sgn = input.tangentWS.w; // should be either +1 or -1
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float3 bitangent = sgn * cross(input.normalWS.xyz, input.tangentWS.xyz);
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inputData.normalWS = TransformTangentToWorld(normalTS, half3x3(input.tangentWS.xyz, bitangent.xyz, input.normalWS.xyz));
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#else
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inputData.normalWS = input.normalWS * facing;
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#endif
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inputData.normalWS = NormalizeNormalPerPixel(inputData.normalWS);
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inputData.viewDirectionWS = viewDirWS;
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#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
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inputData.shadowCoord = input.shadowCoord;
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#elif defined(MAIN_LIGHT_CALCULATE_SHADOWS)
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inputData.shadowCoord = TransformWorldToShadowCoord(inputData.positionWS);
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#else
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inputData.shadowCoord = float4(0, 0, 0, 0);
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#endif
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inputData.fogCoord = input.fogFactorAndVertexLight.x;
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inputData.vertexLighting = input.fogFactorAndVertexLight.yzw;
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inputData.bakedGI = SAMPLE_GI(input.lightmapUV, input.vertexSH, inputData.normalWS);
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}
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half4 LitPassFragment(VertexOutput input, half facing : VFACE) : SV_Target
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{
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UNITY_SETUP_INSTANCE_ID(input);
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
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// Get the surface description
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SurfaceDescription surfaceData;
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InitializeSurfaceData(input.uv, surfaceData);
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// Prepare surface data (like bring normal into world space and get missing inputs like gi)
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InputData inputData;
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InitializeInputData(input, surfaceData.normalTS, facing, inputData);
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#if defined(_RIMLIGHTING)
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half rim = saturate(1.0h - saturate( dot(inputData.normalWS, inputData.viewDirectionWS) ) );
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half power = _RimPower;
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UNITY_BRANCH if(_RimFrequency > 0 ) {
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half perPosition = lerp(0.0h, 1.0h, dot(1.0h, frac(UNITY_MATRIX_M._m03_m13_m23) * 2.0h - 1.0h ) * _RimPerPositionFrequency ) * 3.1416h;
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power = lerp(power, _RimMinPower, (1.0h + sin(_Time.y * _RimFrequency + perPosition) ) * 0.5h );
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}
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surfaceData.emission += pow(rim, power) * _RimColor.rgb * _RimColor.a;
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#endif
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// Apply lighting
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half4 color = LuxURPSimpleFuzzFragmentPBR(
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inputData,
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surfaceData.albedo,
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surfaceData.metallic,
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surfaceData.specular,
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surfaceData.smoothness,
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surfaceData.occlusion,
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surfaceData.emission,
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surfaceData.alpha,
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#if defined(_SCATTERING)
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half4(surfaceData.translucency * _TranslucencyStrength, _TranslucencyPower, _ShadowStrength, _Distortion),
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#else
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half4(0,0,0,0),
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#endif
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surfaceData.fuzzMask, // Fuzzmask
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_FuzzPower,
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_FuzzBias,
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_FuzzWrap,
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_FuzzStrength * PI,
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_FuzzAmbient
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);
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// Add fog
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color.rgb = MixFog(color.rgb, inputData.fogCoord);
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return color;
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}
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ENDHLSL
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}
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// Shadows -----------------------------------------------------
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Pass
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{
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Name "ShadowCaster"
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Tags{"LightMode" = "ShadowCaster"}
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ZWrite On
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ZTest LEqual
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Cull Off
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HLSLPROGRAM
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// Required to compile gles 2.0 with standard srp library
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#pragma prefer_hlslcc gles
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#pragma exclude_renderers d3d11_9x
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#pragma target 2.0
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// -------------------------------------
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// Material Keywords
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#pragma shader_feature _ALPHATEST_ON
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#pragma shader_feature_local _MASKMAP
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//--------------------------------------
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// GPU Instancing
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#pragma multi_compile_instancing
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#pragma vertex ShadowPassVertex
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#pragma fragment ShadowPassFragment
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// Include base inputs and all other needed "base" includes
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#include "Includes/Lux URP Simple Fuzz Inputs.hlsl"
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Shadows.hlsl"
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// Shadow caster specific input
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float3 _LightDirection;
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VertexOutput ShadowPassVertex(VertexInput input)
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{
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VertexOutput output = (VertexOutput)0;
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UNITY_SETUP_INSTANCE_ID(input);
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UNITY_TRANSFER_INSTANCE_ID(input, output);
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#if defined(_ALPHATEST_ON) && defined(_MASKMAP)
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output.uv.xy = TRANSFORM_TEX(input.texcoord, _MaskMap);
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#endif
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float3 positionWS = TransformObjectToWorld(input.positionOS.xyz);
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float3 normalWS = TransformObjectToWorldDir(input.normalOS);
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output.positionCS = TransformWorldToHClip(ApplyShadowBias(positionWS, normalWS * _ShadowOffset, _LightDirection));
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#if UNITY_REVERSED_Z
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output.positionCS.z = min(output.positionCS.z, output.positionCS.w * UNITY_NEAR_CLIP_VALUE);
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#else
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output.positionCS.z = max(output.positionCS.z, output.positionCS.w * UNITY_NEAR_CLIP_VALUE);
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#endif
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return output;
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}
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half4 ShadowPassFragment(VertexOutput input) : SV_TARGET
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{
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UNITY_SETUP_INSTANCE_ID(input);
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
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#if defined(_ALPHATEST_ON) && defined(_MASKMAP)
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half mask = SAMPLE_TEXTURE2D(_MaskMap, sampler_MaskMap, input.uv).a;
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clip (mask - _Cutoff);
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#endif
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return 0;
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}
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ENDHLSL
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}
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// Depth -----------------------------------------------------
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Pass
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{
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Tags{"LightMode" = "DepthOnly"}
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ZWrite On
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ColorMask 0
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Cull Off
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HLSLPROGRAM
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// Required to compile gles 2.0 with standard srp library
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#pragma prefer_hlslcc gles
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#pragma exclude_renderers d3d11_9x
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#pragma target 2.0
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#pragma vertex DepthOnlyVertex
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#pragma fragment DepthOnlyFragment
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// -------------------------------------
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// Material Keywords
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#pragma shader_feature _ALPHATEST_ON
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#pragma shader_feature_local _MASKMAP
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//--------------------------------------
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// GPU Instancing
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#pragma multi_compile_instancing
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#define DEPTHONLYPASS
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#include "Includes/Lux URP Simple Fuzz Inputs.hlsl"
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VertexOutput DepthOnlyVertex(VertexInput input)
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{
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VertexOutput output = (VertexOutput)0;
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UNITY_SETUP_INSTANCE_ID(input);
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UNITY_TRANSFER_INSTANCE_ID(input, output);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output);
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#if defined(_ALPHATEST_ON) && defined(_MASKMAP)
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output.uv.xy = TRANSFORM_TEX(input.texcoord, _MaskMap);
|
||
#endif
|
||
|
||
output.positionCS = TransformObjectToHClip(input.positionOS.xyz);
|
||
return output;
|
||
}
|
||
|
||
half4 DepthOnlyFragment(VertexOutput input) : SV_TARGET
|
||
{
|
||
UNITY_SETUP_INSTANCE_ID(input);
|
||
UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
|
||
|
||
#if defined(_ALPHATEST_ON) && defined(_MASKMAP)
|
||
half mask = SAMPLE_TEXTURE2D(_MaskMap, sampler_MaskMap, input.uv.xy).a;
|
||
clip (mask - _Cutoff);
|
||
#endif
|
||
|
||
return 0;
|
||
}
|
||
|
||
ENDHLSL
|
||
}
|
||
|
||
// Meta -----------------------------------------------------
|
||
|
||
Pass
|
||
{
|
||
Tags{"LightMode" = "Meta"}
|
||
|
||
Cull Off
|
||
|
||
HLSLPROGRAM
|
||
// Required to compile gles 2.0 with standard srp library
|
||
#pragma prefer_hlslcc gles
|
||
|
||
#pragma vertex UniversalVertexMeta
|
||
#pragma fragment UniversalFragmentMeta
|
||
|
||
#define _SPECULAR_SETUP
|
||
|
||
// First include all our custom stuff
|
||
#include "Includes/Lux URP Simple Fuzz Inputs.hlsl"
|
||
|
||
//--------------------------------------
|
||
// Fragment shader and functions
|
||
|
||
inline void InitializeStandardLitSurfaceData(float2 uv, out SurfaceData outSurfaceData)
|
||
{
|
||
half4 albedoAlpha = SampleAlbedoAlpha(uv, TEXTURE2D_ARGS(_BaseMap, sampler_BaseMap));
|
||
outSurfaceData.alpha = 1;
|
||
outSurfaceData.albedo = albedoAlpha.rgb * _BaseColor.rgb;
|
||
outSurfaceData.metallic = 0;
|
||
outSurfaceData.specular = _SpecColor;
|
||
outSurfaceData.smoothness = _Smoothness;
|
||
outSurfaceData.normalTS = half3(0,0,1);
|
||
outSurfaceData.occlusion = 1;
|
||
outSurfaceData.emission = 0;
|
||
}
|
||
|
||
// Finally include the meta pass related stuff
|
||
#include "Packages/com.unity.render-pipelines.universal/Shaders/LitMetaPass.hlsl"
|
||
|
||
ENDHLSL
|
||
}
|
||
|
||
// End Passes -----------------------------------------------------
|
||
|
||
}
|
||
FallBack "Hidden/InternalErrorShader"
|
||
CustomEditor "LuxURPUniversalCustomShaderGUI"
|
||
}
|