Matt Dean
8 年前
当前提交
4781b571
共有 6 个文件被更改，包括 1350 次插入 和 2 次删除
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2MaterialGraphProject/Assets/Matt/Examples/Anisotropy.ShaderGraph
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9MaterialGraphProject/Assets/Matt/Examples/Anisotropy.mat
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960MaterialGraphProject/Assets/Matt/Examples/Anisotropy.shader
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10MaterialGraphProject/Assets/Matt/Examples/Anisotropy.shader.meta
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363MaterialGraphProject/Assets/Matt/Examples/Anisotropy.unity
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8MaterialGraphProject/Assets/Matt/Examples/Anisotropy.unity.meta
2
MaterialGraphProject/Assets/Matt/Examples/Anisotropy.ShaderGraph
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Shader "Examples/Anisotropy" |
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{ |
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Properties |
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{ |
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Vector1_5c761f75_773e_42ed_b242_72e6b25acebd_Uniform("Metallic", Range(0, 1)) = 0.278 |
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Vector1_91e780ac_52c0_4e9a_bd0e_974f5805854d_Uniform("Smoothness", Range(0, 1)) = 0.59 |
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[NonModifiableTextureData] Texture_3db1140f_b814_4ba5_a49c_d40499367921_Uniform("Texture", 2D) = "white" {} |
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Vector1_8272d735_22ca_40c5_a082_1c40f63ad50b_Uniform("Anisotropy", Range(0, 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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"RenderType" = "Opaque" |
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"Queue" = "Geometry" |
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} |
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Blend One Zero |
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Cull Back |
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ZTest LEqual |
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ZWrite On |
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LOD 200 |
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CGPROGRAM |
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#include "UnityCG.cginc" |
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//#include "AdvancedBRDF.cginc" |
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//#include "AdvancedShading.cginc" |
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//#include "AdvancedLighting.cginc" |
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#define SHADINGMODELID_STANDARD |
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// ------------------------------------------------------------------ |
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// Diffuse |
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// From UE4 - Used for Cloth (Deprecated) |
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float3 Diffuse_Lambert(float3 DiffuseColor) |
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{ |
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return DiffuseColor * (1 / UNITY_PI); |
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} |
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// ------------------------------------------------------------------ |
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// Fresnel |
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// From UE4 - Used for Cloth |
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// [Schlick 1994, "An Inexpensive BRDF Model for Physically-Based Rendering"] |
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float3 F_Schlick(float3 SpecularColor, float VoH) |
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{ |
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float Fc = Pow5(1 - VoH); // 1 sub, 3 mul |
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//return Fc + (1 - Fc) * SpecularColor; // 1 add, 3 mad |
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// Anything less than 2% is physically impossible and is instead considered to be shadowing |
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return saturate(50.0 * SpecularColor.g) * Fc + (1 - Fc) * SpecularColor; |
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} |
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// ------------------------------------------------------------------ |
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// Distribution |
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// From UE4 - USed for Cloth |
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// GGX / Trowbridge-Reitz |
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// [Walter et al. 2007, "Microfacet models for refraction through rough surfaces"] |
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float D_GGX(float roughness, float NdotH) |
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{ |
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float a = roughness * roughness; |
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float a2 = a * a; |
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float d = (NdotH * a2 - NdotH) * NdotH + 1; // 2 mad |
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return a2 / (UNITY_PI*d*d); // 4 mul, 1 rcp |
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} |
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// Anisotropic GGX |
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// Taken from HDRenderPipeline |
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float D_GGXAnisotropic(float TdotH, float BdotH, float NdotH, float roughnessT, float roughnessB) |
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{ |
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float f = TdotH * TdotH / (roughnessT * roughnessT) + BdotH * BdotH / (roughnessB * roughnessB) + NdotH * NdotH; |
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return 1.0 / (roughnessT * roughnessB * f * f); |
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} |
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// From UE4 - Used for Cloth |
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float D_InvGGX(float roughness, float NdotH) |
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{ |
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float a = roughness * roughness; |
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float a2 = a * a; |
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float A = 4; |
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float d = (NdotH - a2 * NdotH) * NdotH + a2; |
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return 1 / (UNITY_PI * (1 + A*a2)) * (1 + 4 * a2*a2 / (d*d)); //RCP |
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} |
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// ------------------------------------------------------------------ |
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// Visibility |
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// From UE4 - Used for Cloth |
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// Appoximation of joint Smith term for GGX |
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// [Heitz 2014, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs"] |
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float Vis_SmithJointApprox(float Roughness, float NoV, float NoL) |
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{ |
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float a = (Roughness*Roughness); |
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float Vis_SmithV = NoL * (NoV * (1 - a) + a); |
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float Vis_SmithL = NoV * (NoL * (1 - a) + a); |
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// Note: will generate NaNs with Roughness = 0. MinRoughness is used to prevent this |
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return 0.5 * 1 / (Vis_SmithV + Vis_SmithL); //RCP |
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} |
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// From UE4 - Used for Cloth |
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float Vis_Cloth(float NoV, float NoL) |
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{ |
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return 1 / (4 * (NoL + NoV - NoL * NoV)); //RCP |
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} |
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// ------------------------------------------------------------------ |
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// SORT THESE |
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// Smith Joint GGX Anisotropic Visibility |
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// Taken from https://cedec.cesa.or.jp/2015/session/ENG/14698.html |
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float SmithJointGGXAnisotropic(float TdotV, float BdotV, float NdotV, float TdotL, float BdotL, float NdotL, float roughnessT, float roughnessB) |
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{ |
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float aT = roughnessT; |
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float aT2 = aT * aT; |
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float aB = roughnessB; |
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float aB2 = aB * aB; |
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float lambdaV = NdotL * sqrt(aT2 * TdotV * TdotV + aB2 * BdotV * BdotV + NdotV * NdotV); |
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float lambdaL = NdotV * sqrt(aT2 * TdotL * TdotL + aB2 * BdotL * BdotL + NdotL * NdotL); |
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return 0.5 / (lambdaV + lambdaL); |
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} |
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// Convert Anistropy to roughness |
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void ConvertAnisotropyToRoughness(float roughness, float anisotropy, out float roughnessT, out float roughnessB) |
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{ |
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// (0 <= anisotropy <= 1), therefore (0 <= anisoAspect <= 1) |
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// The 0.9 factor limits the aspect ratio to 10:1. |
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float anisoAspect = sqrt(1.0 - 0.9 * anisotropy); |
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roughnessT = roughness / anisoAspect; // Distort along tangent (rougher) |
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roughnessB = roughness * anisoAspect; // Straighten along bitangent (smoother) |
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} |
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// Schlick Fresnel |
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float FresnelSchlick(float f0, float f90, float u) |
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{ |
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float x = 1.0 - u; |
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float x5 = x * x; |
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x5 = x5 * x5 * x; |
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return (f90 - f0) * x5 + f0; // sub mul mul mul sub mad |
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} |
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//Clamp roughness |
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float ClampRoughnessForAnalyticalLights(float roughness) |
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{ |
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return max(roughness, 0.000001); |
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} |
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//Calculate tangent warp for IBL (Reference Version - not used) |
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float3 SpecularGGXIBLRef(float3 viewDir, float3 normalDir, float3 tangentDir, float3 bitangentDir, float roughnessT, float roughnessB) |
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{ |
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return float3(1, 1, 1); |
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//Hidden in UnityAnisotropicLighting.cginc |
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} |
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// Sample Anisotropic Direction for IBL (Reference Version - not used) |
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void SampleAnisoGGXDir(float2 u, float3 viewDir, float3 normalDir, float3 tangent, float3 bitangent, float roughnessT, float roughnessB, out float3 halfDir, out float3 lightDir) |
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{ |
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// AnisoGGX NDF sampling |
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halfDir = sqrt(u.x / (1.0 - u.x)) * (roughnessT * cos((UNITY_PI * 2) * u.y) * tangent + roughnessB * sin((UNITY_PI * 2) * u.y) * bitangent) + normalDir; |
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halfDir = normalize(halfDir); |
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// Convert sample from half angle to incident angle |
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lightDir = 2.0 * saturate(dot(viewDir, halfDir)) * halfDir - viewDir; |
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} |
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// Ref: Donald Revie - Implementing Fur Using Deferred Shading (GPU Pro 2) |
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// The grain direction (e.g. hair or brush direction) is assumed to be orthogonal to the normal. |
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// The returned normal is NOT normalized. |
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float3 ComputeGrainNormal(float3 grainDir, float3 V) |
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{ |
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float3 B = cross(-V, grainDir); |
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return cross(B, grainDir); |
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} |
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//Modify Normal for Anisotropic IBL (Realtime version) |
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// Fake anisotropic by distorting the normal. |
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// The grain direction (e.g. hair or brush direction) is assumed to be orthogonal to N. |
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// Anisotropic ratio (0->no isotropic; 1->full anisotropy in tangent direction) |
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float3 GetAnisotropicModifiedNormal(float3 grainDir, float3 N, float3 V, float anisotropy) |
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{ |
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float3 grainNormal = ComputeGrainNormal(grainDir, V); |
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// TODO: test whether normalizing 'grainNormal' is worth it. |
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return normalize(lerp(N, grainNormal, anisotropy)); |
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} |
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/// REGION END - ANISOTROPY |
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/// REGION START - SUBSURFACE SCATTERING |
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half Fresnel(half3 H, half3 V, half F0) |
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{ |
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half base = 1.0 - dot(V, H); |
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half exponential = pow(base, 5.0); |
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return exponential + F0 * (1.0 - exponential); |
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} |
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/* |
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inline half3 KelemenSzirmayKalosSpecular(half3 normal, half3 lightDir, half3 viewDir, float roughness, float rho_s) |
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{ |
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half3 result = half3(0, 0, 0); |
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half NdotL = dot(normal, lightDir); |
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if (NdotL > 0.0) |
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{ |
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half3 h = lightDir + viewDir; |
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half3 H = normalize(h); |
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half NdotH = dot(normal, H); |
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half PH = pow(2.0 * tex2D(_BeckmannPrecomputedTex, half2(NdotH, roughness)).r, 10.0); |
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half F = Fresnel(H, viewDir, 0.028); |
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half frSpec = max(PH * F / dot(h, h), 0); |
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half term = NdotL * rho_s * frSpec; |
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result = half3(term, term, term); |
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} |
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return result; |
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}*/ |
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/* |
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half3 SkinDiffuse(float curv, float3 NdotL) |
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{ |
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float3 lookup = NdotL * 0.5 + 0.5; |
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float3 diffuse; |
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diffuse.r = tex2D(_DiffusionProfileTexture, float2(lookup.r, curv)).r; |
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diffuse.g = tex2D(_DiffusionProfileTexture, float2(lookup.g, curv)).g; |
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diffuse.b = tex2D(_DiffusionProfileTexture, float2(lookup.b, curv)).b; |
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return diffuse; |
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}*/ |
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/// REGION END - SUBSURFACE SCATTERING |
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// Upgrade NOTE: replaced 'defined SHADINGMODELID_CLEARCOAT' with 'defined (SHADINGMODELID_CLEARCOAT)' |
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// Upgrade NOTE: replaced 'defined SHADINGMODELID_CLOTH' with 'defined (SHADINGMODELID_CLOTH)' |
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// Upgrade NOTE: replaced 'defined SHADINGMODELID_EYE' with 'defined (SHADINGMODELID_EYE)' |
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// Upgrade NOTE: replaced 'defined SHADINGMODELID_FOLIAGE' with 'defined (SHADINGMODELID_FOLIAGE)' |
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// Upgrade NOTE: replaced 'defined SHADINGMODELID_HAIR' with 'defined (SHADINGMODELID_HAIR)' |
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// Upgrade NOTE: replaced 'defined SHADINGMODELID_SKIN' with 'defined (SHADINGMODELID_SKIN)' |
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// Upgrade NOTE: replaced 'defined SHADINGMODELID_SUBSURFACE' with 'defined (SHADINGMODELID_SUBSURFACE)' |
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// ------------------------------------------------------------------ |
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// Shading models |
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//#pragma multi_compile SHADINGMODELID_UNLIT SHADINGMODELID_STANDARD SHADINGMODELID_SUBSURFACE SHADINGMODELID_SKIN SHADINGMODELID_FOLIAGE SHADINGMODELID_CLEARCOAT SHADINGMODELID_CLOTH SHADINGMODELID_EYE |
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// ------------------------------------------------------------------ |
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// Input |
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half _ShadingModel; |
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sampler2D _AnisotropyMap; |
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half _Anisotropy; |
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sampler2D _TangentMap; |
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half4 _TranslucentColor; |
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sampler2D _TranslucencyMap; |
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sampler2D _FuzzTex; |
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half3 _FuzzColor; |
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half _Cloth; |
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sampler2D _IrisNormal; |
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sampler2D _IrisMask; |
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half _IrisDistance; |
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half _TDistortion; |
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half _TScale; |
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half _TAmbient; |
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half _TPower; |
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half _TAttenuation; |
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half _TransmissionOverallStrength; |
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// ------------------------------------------------------------------ |
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// Maths helpers |
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// Octahedron Normal Vectors |
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// [Cigolle 2014, "A Survey of Efficient Representations for Independent Unit Vectors"] |
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// Mean Max |
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// oct 8:8 0.33709 0.94424 |
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// snorm 8:8:8 0.17015 0.38588 |
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// oct 10:10 0.08380 0.23467 |
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// snorm 10:10:10 0.04228 0.09598 |
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// oct 12:12 0.02091 0.05874 |
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float2 UnitVectorToOctahedron(float3 N) |
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{ |
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N.xy /= dot(float3(1,1,1), abs(N)); |
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if (N.z <= 0) |
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{ |
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N.xy = (1 - abs(N.yx)) * (N.xy >= 0 ? float2(1, 1) : float2(-1, -1)); |
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} |
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return N.xy; |
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} |
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float3 OctahedronToUnitVector(float2 Oct) |
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{ |
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float3 N = float3(Oct, 1 - dot(float2(1,1), abs(Oct))); |
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if (N.z < 0) |
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{ |
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N.xy = (1 - abs(N.yx)) * (N.xy >= 0 ? float2(1, 1) : float2(-1, -1)); |
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} |
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return float3(1, 1, 1); |
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return normalize(N); |
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} |
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// ------------------------------------------------------------------ |
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// Surface helpers |
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half Anisotropy(float2 uv) |
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{ |
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return tex2D(_AnisotropyMap, uv) * _Anisotropy; |
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} |
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half3 Fuzz(float2 uv) |
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{ |
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return tex2D(_FuzzTex, uv) * _FuzzColor; |
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} |
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half Cloth() |
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{ |
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return _Cloth; |
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} |
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half4 Iris(float2 uv) |
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{ |
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float2 n = UnitVectorToOctahedron(normalize(UnpackNormal(tex2D(_IrisNormal, uv)).rgb)) * 0.5 + 0.5; |
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float m = saturate(tex2D(_IrisMask, uv).r); // Iris Mask |
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float d = saturate(_IrisDistance); // Iris Distance |
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return float4(n.x, n.y, m, d); |
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} |
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half3 Translucency(float2 uv) |
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{ |
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return tex2D(_TranslucencyMap, uv).rgb * _TranslucentColor.rgb; |
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} |
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// ------------------------------------------------------------------ |
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// Unlit Shading Function |
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float4 UnlitShading(float3 diffColor) |
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{ |
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return half4(diffColor, 1); |
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} |
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// ------------------------------------------------------------------ |
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// Standard Shading Function |
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float4 StandardShading(float3 diffColor, float3 specColor, float oneMinusReflectivity, float smoothness, float3 normal, float3x3 worldVectors, |
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float anisotropy, float metallic, float3 viewDir, UnityLight light, UnityIndirect gi) |
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{ |
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//Unpack world vectors |
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float3 tangent = worldVectors[0]; |
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float3 bitangent = worldVectors[1]; |
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//Normal shift |
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float shiftAmount = dot(normal, viewDir); |
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normal = shiftAmount < 0.0f ? normal + viewDir * (-shiftAmount + 1e-5f) : normal; |
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//Regular vectors |
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float NdotL = saturate(dot(normal, light.dir)); //sat? |
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float NdotV = abs(dot(normal, viewDir)); //abs? |
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float LdotV = dot(light.dir, viewDir); |
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float3 H = Unity_SafeNormalize(light.dir + viewDir); |
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float invLenLV = rsqrt(abs(2 + 2 * normalize(LdotV))); |
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//float invLenLV = rsqrt(abs(2 + 2 * LdotV)); |
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//float NdotH = (NdotL + normalize(NdotV)) * invLenLV; |
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float NdotH = saturate(dot(normal, H)); |
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//float NdotH = saturate((NdotL + normalize(NdotV)) * invLenLV); |
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//float H = (light.dir + viewDir) * invLenLV; |
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float LdotH = saturate(dot(light.dir, H)); |
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//Tangent vectors |
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float TdotH = dot(tangent, H); |
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float TdotL = dot(tangent, light.dir); |
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float BdotH = dot(bitangent, H); |
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float BdotL = dot(bitangent, light.dir); |
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float TdotV = dot(viewDir, tangent); |
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float BdotV = dot(viewDir, bitangent); |
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//Fresnels |
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half grazingTerm = saturate(smoothness + (1 - oneMinusReflectivity)); |
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float3 F = FresnelLerp(specColor, grazingTerm, NdotV); //Original Schlick - Replace from SRP? |
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//float3 fresnel0 = lerp(specColor, diffColor, metallic); |
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//float3 F = FresnelSchlick(fresnel0, 1.0, LdotH); |
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//Calculate roughness |
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float roughnessT; |
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float roughnessB; |
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float perceptualRoughness = SmoothnessToPerceptualRoughness(smoothness); |
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float roughness = PerceptualRoughnessToRoughness(perceptualRoughness); |
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ConvertAnisotropyToRoughness(roughness, anisotropy, roughnessT, roughnessB); |
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//Clamp roughness |
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//roughness = ClampRoughnessForAnalyticalLights(roughness); |
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roughnessT = ClampRoughnessForAnalyticalLights(roughnessT); |
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roughnessB = ClampRoughnessForAnalyticalLights(roughnessB); |
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//Visibility & Distribution terms |
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float V = SmithJointGGXAnisotropic(TdotV, BdotV, NdotV, TdotL, BdotL, NdotL, roughnessT, roughnessB); |
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float D = D_GGXAnisotropic(TdotH, BdotH, NdotH, roughnessT, roughnessB); |
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//Specular term |
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float3 specularTerm = V * D; //*UNITY_PI; |
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# ifdef UNITY_COLORSPACE_GAMMA |
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specularTerm = sqrt(max(1e-4h, specularTerm)); |
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# endif |
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// specularTerm * nl can be NaN on Metal in some cases, use max() to make sure it's a sane value |
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specularTerm = max(0, specularTerm * NdotL); |
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#if defined(_SPECULARHIGHLIGHTS_OFF) |
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specularTerm = 0.0; |
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#endif |
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//Diffuse term |
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float diffuseTerm = DisneyDiffuse(NdotV, NdotL, LdotH, perceptualRoughness) * NdotL;// - Need this NdotL multiply? |
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//Reduction |
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half surfaceReduction; |
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# ifdef UNITY_COLORSPACE_GAMMA |
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surfaceReduction = 1.0 - 0.28*roughness*perceptualRoughness; // 1-0.28*x^3 as approximation for (1/(x^4+1))^(1/2.2) on the domain [0;1] |
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# else |
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surfaceReduction = 1.0 / (roughness*roughness + 1.0); // fade \in [0.5;1] |
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# endif |
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//Final |
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half3 color = (diffColor * (gi.diffuse + light.color * diffuseTerm)) |
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+ specularTerm * light.color * FresnelTerm(specColor, LdotH) |
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+ surfaceReduction * gi.specular * FresnelLerp(specColor, grazingTerm, NdotV); |
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return half4(color, 1); |
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} |
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// ------------------------------------------------------------------ |
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// Cloth Shading Function |
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//float3 ClothShading(FGBufferData GBuffer, float3 LobeRoughness, float3 LobeEnergy, float3 L, float3 V, half3 N) |
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float4 ClothShading(float3 diffColor, float3 specColor, float3 fuzzColor, float cloth, float oneMinusReflectivity, float smoothness, float3 normal, float3 viewDir, UnityLight light, UnityIndirect gi, float3x3 worldVectors, float anisotropy) |
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{ |
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const float3 FuzzColor = saturate(fuzzColor); |
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const float Cloth = saturate(cloth); |
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//Regular vectors |
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float NdotL = saturate(dot(normal, light.dir)); //sat? |
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float NdotV = abs(dot(normal, viewDir)); //abs? |
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float LdotV = dot(light.dir, viewDir); |
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//float invLenLV = rsqrt(abs(2 + 2 * normalize(LdotV))); |
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////float invLenLV = rsqrt(abs(2 + 2 * LdotV)); |
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//float NdotH = (NdotL + normalize(NdotV)) * invLenLV; |
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//float NdotH = saturate((NdotL + normalize(NdotV)) * invLenLV); |
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float3 H = Unity_SafeNormalize(light.dir + viewDir); |
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//float H = (light.dir + viewDir) * invLenLV; |
|||
float LdotH = saturate(dot(light.dir, H)); |
|||
|
|||
//float3 H = normalize(viewDir + light.dir); |
|||
//float NdotL = saturate(dot(normal, light.dir)); |
|||
//float NdotV = saturate(abs(dot(normal, viewDir)) + 1e-5); |
|||
float NdotH = saturate(dot(normal, H)); |
|||
float VdotH = saturate(dot(viewDir, H)); |
|||
//float LdotH = saturate(dot(light.dir, H)); |
|||
|
|||
half grazingTerm = saturate(smoothness + (1 - oneMinusReflectivity)); |
|||
|
|||
// Diffuse |
|||
float perceptualRoughness = SmoothnessToPerceptualRoughness(smoothness); |
|||
float roughness = PerceptualRoughnessToRoughness(perceptualRoughness); |
|||
float diffuseTerm = DisneyDiffuse(NdotV, NdotL, LdotH, perceptualRoughness) * NdotL;// - Need this NdotL multiply? |
|||
|
|||
// Cloth - Asperity Scattering - Inverse Beckmann Layer |
|||
float3 F1 = FresnelTerm(fuzzColor, LdotH);// FresnelLerp(fuzzColor, grazingTerm, NdotV);// FresnelTerm(FuzzColor, LdotH);// F_Schlick(FuzzColor, VdotH); |
|||
float D1 = D_InvGGX(roughness, NdotH); |
|||
float V1 = Vis_Cloth(NdotV, NdotL); |
|||
//Specular term |
|||
float3 specularTerm1 = V1 * D1; //*UNITY_PI; |
|||
# ifdef UNITY_COLORSPACE_GAMMA |
|||
specularTerm1 = sqrt(max(1e-4h, specularTerm1)); |
|||
# endif |
|||
// specularTerm * nl can be NaN on Metal in some cases, use max() to make sure it's a sane value |
|||
// specularTerm1 = max(0, specularTerm1 * NdotL); |
|||
#if defined(_SPECULARHIGHLIGHTS_OFF) |
|||
specularTerm1 = 0.0; |
|||
#endif |
|||
float3 Spec1 = specularTerm1 * light.color * FresnelTerm(fuzzColor, LdotH); |
|||
|
|||
// Generalized microfacet specular |
|||
/*float3 F2 = F_Schlick(specColor, VdotH); |
|||
float D2 = D_GGX(roughness, NdotH); |
|||
float V2 = Vis_SmithJointApprox(roughness, NdotV, NdotL); |
|||
float3 Spec2 = D2 * V2 * F2 * light.color;*/ |
|||
|
|||
//Unpack world vectors |
|||
float3 tangent = worldVectors[0]; |
|||
float3 bitangent = worldVectors[1]; |
|||
//Tangent vectors |
|||
float TdotH = dot(tangent, H); |
|||
float TdotL = dot(tangent, light.dir); |
|||
float BdotH = dot(bitangent, H); |
|||
float BdotL = dot(bitangent, light.dir); |
|||
float TdotV = dot(viewDir, tangent); |
|||
float BdotV = dot(viewDir, bitangent); |
|||
//Fresnels |
|||
float3 F2 = FresnelLerp(specColor, grazingTerm, NdotV);// FresnelTerm(specColor, LdotH);// FresnelLerp(specColor, grazingTerm, NdotV); //Original Schlick - Replace from SRP? |
|||
float roughnessT; |
|||
float roughnessB; |
|||
//float perceptualRoughness = SmoothnessToPerceptualRoughness(smoothness); |
|||
//float roughness = PerceptualRoughnessToRoughness(perceptualRoughness); |
|||
ConvertAnisotropyToRoughness(roughness, anisotropy, roughnessT, roughnessB); |
|||
//Clamp roughness |
|||
//roughness = ClampRoughnessForAnalyticalLights(roughness); |
|||
roughnessT = ClampRoughnessForAnalyticalLights(roughnessT); |
|||
roughnessB = ClampRoughnessForAnalyticalLights(roughnessB); |
|||
//Visibility & Distribution terms |
|||
float V2 = SmithJointGGXAnisotropic(TdotV, BdotV, NdotV, TdotL, BdotL, NdotL, roughnessT, roughnessB); |
|||
float D2 = D_GGXAnisotropic(TdotH, BdotH, NdotH, roughnessT, roughnessB); |
|||
//Specular term |
|||
float3 specularTerm2 = V2 * D2; //*UNITY_PI; |
|||
# ifdef UNITY_COLORSPACE_GAMMA |
|||
specularTerm2 = sqrt(max(1e-4h, specularTerm2)); |
|||
# endif |
|||
// specularTerm * nl can be NaN on Metal in some cases, use max() to make sure it's a sane value |
|||
specularTerm2 = max(0, specularTerm2 * NdotL); |
|||
#if defined(_SPECULARHIGHLIGHTS_OFF) |
|||
specularTerm2 = 0.0; |
|||
#endif |
|||
float3 Spec2 = specularTerm2 * light.color * FresnelTerm(specColor, LdotH); |
|||
|
|||
float3 Spec = lerp(Spec2, Spec1, Cloth); |
|||
|
|||
//Reduction |
|||
half surfaceReduction; |
|||
# ifdef UNITY_COLORSPACE_GAMMA |
|||
surfaceReduction = 1.0 - 0.28*roughness*perceptualRoughness; // 1-0.28*x^3 as approximation for (1/(x^4+1))^(1/2.2) on the domain [0;1] |
|||
# else |
|||
surfaceReduction = 1.0 / (roughness*roughness + 1.0); // fade \in [0.5;1] |
|||
# endif |
|||
//Final |
|||
//half grazingTerm = saturate(smoothness + (1 - oneMinusReflectivity)); |
|||
half3 color = (diffColor * (gi.diffuse + light.color * diffuseTerm)) |
|||
+ Spec |
|||
+ surfaceReduction * gi.specular * FresnelLerp(specColor, grazingTerm, NdotV); |
|||
return half4(color, 1); |
|||
} |
|||
|
|||
// ------------------------------------------------------------------ |
|||
// Eye Shading Function |
|||
|
|||
//float3 EyeShading(FGBufferData GBuffer, float3 LobeRoughness, float3 LobeEnergy, float3 L, float3 V, half3 N) |
|||
float4 EyeShading(float3 diffColor, float3 specColor, float3 viewDir, half3 normal, float smoothness, float oneMinusReflectivity, UnityLight light, UnityIndirect gi) |
|||
{ |
|||
float3 H = normalize(viewDir + light.dir); |
|||
float NdotL = saturate(dot(normal, light.dir)); |
|||
float NdotV = saturate(abs(dot(normal, viewDir)) + 1e-5); |
|||
float NdotH = saturate(dot(normal, H)); |
|||
float VdotH = saturate(dot(viewDir, H)); |
|||
float LdotH = saturate(dot(light.dir, H)); |
|||
|
|||
// Generalized microfacet specular |
|||
float perceptualRoughness = SmoothnessToPerceptualRoughness(smoothness); |
|||
float roughness = PerceptualRoughnessToRoughness(perceptualRoughness); |
|||
|
|||
float D = D_GGX(roughness, NdotH);// *LobeEnergy[1]; |
|||
float V = Vis_SmithJointApprox(roughness, NdotV, NdotL); |
|||
float3 F = F_Schlick(specColor, VdotH); |
|||
|
|||
float3 specularTerm = V * D; //*UNITY_PI; |
|||
# ifdef UNITY_COLORSPACE_GAMMA |
|||
specularTerm = sqrt(max(1e-4h, specularTerm)); |
|||
# endif |
|||
// specularTerm * nl can be NaN on Metal in some cases, use max() to make sure it's a sane value |
|||
specularTerm = max(0, specularTerm * NdotL); |
|||
#if defined(_SPECULARHIGHLIGHTS_OFF) |
|||
specularTerm = 0.0; |
|||
#endif |
|||
half grazingTerm = saturate(smoothness + (1 - oneMinusReflectivity)); |
|||
half surfaceReduction; |
|||
# ifdef UNITY_COLORSPACE_GAMMA |
|||
surfaceReduction = 1.0 - 0.28*roughness*perceptualRoughness; // 1-0.28*x^3 as approximation for (1/(x^4+1))^(1/2.2) on the domain [0;1] |
|||
# else |
|||
surfaceReduction = 1.0 / (roughness*roughness + 1.0); // fade \in [0.5;1] |
|||
# endif |
|||
|
|||
float diffuseTerm = DisneyDiffuse(NdotV, NdotL, LdotH, perceptualRoughness) * NdotL; // TODO - Unreal does not apply diffuse in Shading function |
|||
//Final |
|||
half3 color = (diffColor * (gi.diffuse + light.color * diffuseTerm)) |
|||
+ specularTerm * light.color * FresnelTerm(specColor, LdotH) |
|||
+ surfaceReduction * gi.specular * FresnelLerp(specColor, grazingTerm, NdotV); |
|||
return half4(color, 1); |
|||
} |
|||
|
|||
// ------------------------------------------------------------------ |
|||
// Subsurface Shading Function |
|||
|
|||
float3 SubsurfaceShadingSimple(float3 diffColor, float3 normal, float3 viewDir, float3 thickness, UnityLight light) |
|||
{ |
|||
half3 vLTLight = light.dir + normal * 1; |
|||
half fLTDot = pow(saturate(dot(viewDir, -vLTLight)), 3.5) * 1.5; |
|||
half3 fLT = 1 * (fLTDot + 1.2) * (thickness); |
|||
return diffColor * ((light.color * fLT) * 0.4); |
|||
} |
|||
|
|||
// ------------------------------------------------------------------ |
|||
// Eye Subsurface Shading Function |
|||
|
|||
//float3 EyeSubsurfaceShading(FGBufferData GBuffer, float3 L, float3 V, half3 N) |
|||
float3 EyeSubsurfaceShading(float3 diffColor, float3 specColor, float3 viewDir, half3 normal, float smoothness, float4 iris, UnityLight light) |
|||
{ |
|||
float2 irisNormal = iris.rg; |
|||
float irisMask = iris.z; |
|||
float irisDistance = iris.w; |
|||
|
|||
float3 H = normalize(viewDir + light.dir); |
|||
float VdotH = saturate(dot(viewDir, H)); |
|||
float NdotV = saturate(abs(dot(normal, viewDir)) + 1e-5); |
|||
float LdotH = saturate(dot(light.dir, H)); |
|||
|
|||
// F_Schlick |
|||
//float F0 = GBuffer.Specular * 0.08; |
|||
//float Fc = Pow5(1 - VoH); |
|||
//float F = Fc + (1 - Fc) * F0; |
|||
float3 fresnel0 = lerp(specColor, diffColor, smoothness); |
|||
float3 F = FresnelSchlick(fresnel0, 1.0, LdotH); |
|||
|
|||
//float IrisDistance = GBuffer.CustomData.w; |
|||
//float IrisMask = GBuffer.CustomData.z; |
|||
|
|||
float3 IrisNormal; |
|||
IrisNormal = OctahedronToUnitVector(irisNormal * 2 - 1); |
|||
|
|||
// Blend in the negative intersection normal to create some concavity |
|||
// Not great as it ties the concavity to the convexity of the cornea surface |
|||
// No good justification for that. On the other hand, if we're just looking to |
|||
// introduce some concavity, this does the job. |
|||
float3 CausticNormal = normalize(lerp(IrisNormal, -normal, irisMask*irisDistance)); |
|||
|
|||
float NdotL = saturate(dot(IrisNormal, light.dir)); |
|||
float Power = lerp(12, 1, NdotL); |
|||
float Caustic = 0.6 + 0.2 * (Power + 1) * pow(saturate(dot(CausticNormal, light.dir)), Power); |
|||
float Iris = NdotL * Caustic; |
|||
|
|||
// http://blog.stevemcauley.com/2011/12/03/energy-conserving-wrapped-diffuse/ |
|||
float Wrap = 0.15; |
|||
float Sclera = saturate((dot(normal, light.dir) + Wrap) / (1 + Wrap) * (1 + Wrap)); |
|||
|
|||
return (1 - F) * lerp(Sclera, Iris, irisMask) * diffColor / UNITY_PI; |
|||
} |
|||
|
|||
// ------------------------------------------------------------------ |
|||
// Shading function selectors |
|||
|
|||
//float3 SurfaceShading(/*FGBufferData GBuffer,*/ float3 LobeRoughness, float3 LobeEnergy, float3 L, float3 V, half3 N, uint2 Random) |
|||
float4 SurfaceShading(float3 diffColor, float3 specColor, float oneMinusReflectivity, float smoothness, float3 normal, |
|||
float3x3 worldVectors, float anisotropy, float4 customData, float metallic, float3 viewDir, UnityLight light, UnityIndirect gi) |
|||
{ |
|||
#if defined(SHADINGMODELID_UNLIT) |
|||
{ |
|||
return UnlitShading(diffColor); |
|||
} |
|||
#elif defined(SHADINGMODELID_STANDARD) || defined(SHADINGMODELID_SUBSURFACE) || defined(SHADINGMODELID_SKIN) || defined(SHADINGMODELID_FOLIAGE) |
|||
{ |
|||
return StandardShading(diffColor, specColor, oneMinusReflectivity, smoothness, |
|||
normal, worldVectors, anisotropy, metallic, viewDir, light, gi); |
|||
} |
|||
#elif defined (SHADINGMODELID_CLEARCOAT) |
|||
{ |
|||
return float4(1, 1, 1, 1); //ClearCoatShading(GBuffer, LobeRoughness, LobeEnergy, L, V, N); |
|||
} |
|||
#elif defined (SHADINGMODELID_CLOTH) |
|||
{ |
|||
return ClothShading(diffColor, specColor, customData.rgb, customData.a, oneMinusReflectivity, smoothness, normal, viewDir, light, gi, worldVectors, anisotropy); |
|||
} |
|||
#elif defined (SHADINGMODELID_EYE) |
|||
{ |
|||
return EyeShading(diffColor, specColor, viewDir, normal, smoothness, oneMinusReflectivity, light, gi); //EyeShading(GBuffer, LobeRoughness, LobeEnergy, L, V, N); |
|||
} |
|||
#endif |
|||
return float4(0, 0, 0, 0); |
|||
} |
|||
|
|||
//float3 SubsurfaceShading(/*FGBufferData GBuffer,*/ float3 L, float3 V, half3 N, float Shadow, uint2 Random) |
|||
float3 SubsurfaceShading(float3 diffColor, float3 specColor, float3 normal, float smoothness, float3 viewDir, float4 customData, UnityLight light) |
|||
{ |
|||
#if defined (SHADINGMODELID_SUBSURFACE) |
|||
{ |
|||
return SubsurfaceShadingSimple(diffColor, normal, viewDir, customData.rgb, light); |
|||
} |
|||
#elif defined (SHADINGMODELID_SKIN) |
|||
{ |
|||
return float3(0, 0, 0); //SubsurfaceShadingPreintegratedSkin(GBuffer, L, V, N); |
|||
} |
|||
#elif defined (SHADINGMODELID_FOLIAGE) |
|||
{ |
|||
return float3(0, 0, 0); //SubsurfaceShadingTwoSided(SubsurfaceColor, L, V, N); |
|||
} |
|||
#elif defined (SHADINGMODELID_HAIR) |
|||
{ |
|||
return float3(0, 0, 0); //HairShading(GBuffer, L, V, N, Shadow, 1, 0, Random); |
|||
} |
|||
#elif defined (SHADINGMODELID_EYE) |
|||
{ |
|||
return EyeSubsurfaceShading(diffColor, specColor, viewDir, normal, smoothness, customData, light); //EyeSubsurfaceShading(GBuffer, L, V, N); |
|||
} |
|||
#endif |
|||
return float3(0, 0, 0); |
|||
} |
|||
|
|||
//#endif UNITY_ADVANCED_SHADINGMODELS_INCLUDED |
|||
|
|||
//------------------------------------------------------------------------------------- |
|||
// Lighting Helpers |
|||
|
|||
// Glossy Environment |
|||
half3 Unity_AnisotropicGlossyEnvironment(UNITY_ARGS_TEXCUBE(tex), half4 hdr, Unity_GlossyEnvironmentData glossIn, half anisotropy) //Reference IBL from HD Pipe (Add half3 L input and replace R) |
|||
{ |
|||
half perceptualRoughness = glossIn.roughness /* perceptualRoughness */; |
|||
|
|||
// TODO: CAUTION: remap from Morten may work only with offline convolution, see impact with runtime convolution! |
|||
// For now disabled |
|||
#if 0 |
|||
float m = PerceptualRoughnessToRoughness(perceptualRoughness); // m is the real roughness parameter |
|||
const float fEps = 1.192092896e-07F; // smallest such that 1.0+FLT_EPSILON != 1.0 (+1e-4h is NOT good here. is visibly very wrong) |
|||
float n = (2.0 / max(fEps, m*m)) - 2.0; // remap to spec power. See eq. 21 in --> https://dl.dropboxusercontent.com/u/55891920/papers/mm_brdf.pdf |
|||
|
|||
n /= 4; // remap from n_dot_h formulatino to n_dot_r. See section "Pre-convolved Cube Maps vs Path Tracers" --> https://s3.amazonaws.com/docs.knaldtech.com/knald/1.0.0/lys_power_drops.html |
|||
|
|||
perceptualRoughness = pow(2 / (n + 2), 0.25); // remap back to square root of real roughness (0.25 include both the sqrt root of the conversion and sqrt for going from roughness to perceptualRoughness) |
|||
#else |
|||
// MM: came up with a surprisingly close approximation to what the #if 0'ed out code above does. |
|||
perceptualRoughness = perceptualRoughness*(1.7 - 0.7*perceptualRoughness); |
|||
#endif |
|||
|
|||
|
|||
half mip = perceptualRoughnessToMipmapLevel(perceptualRoughness); |
|||
half3 R = glossIn.reflUVW;// -half3(anisotropy, 0, 0); |
|||
half4 rgbm = UNITY_SAMPLE_TEXCUBE_LOD(tex, R, mip); |
|||
|
|||
return DecodeHDR(rgbm, hdr); |
|||
} |
|||
|
|||
// Indirect Specular |
|||
inline half3 UnityGI_AnisotropicIndirectSpecular(UnityGIInput data, half occlusion, Unity_GlossyEnvironmentData glossIn, half anisotropy, half3x3 worldVectors) |
|||
{ |
|||
half3 specular; |
|||
float3 tangentX = worldVectors[0]; |
|||
float3 tangentY = worldVectors[1]; |
|||
float3 N = worldVectors[2]; |
|||
float3 V = data.worldViewDir; |
|||
float3 iblNormalWS = GetAnisotropicModifiedNormal(tangentY, N, V, anisotropy); |
|||
float3 iblR = reflect(-V, iblNormalWS); |
|||
|
|||
#ifdef UNITY_SPECCUBE_BOX_PROJECTION |
|||
// we will tweak reflUVW in glossIn directly (as we pass it to Unity_GlossyEnvironment twice for probe0 and probe1), so keep original to pass into BoxProjectedCubemapDirection |
|||
|
|||
half3 originalReflUVW = glossIn.reflUVW; |
|||
glossIn.reflUVW = BoxProjectedCubemapDirection(iblR, data.worldPos, data.probePosition[0], data.boxMin[0], data.boxMax[0]); |
|||
#endif |
|||
|
|||
#ifdef _GLOSSYREFLECTIONS_OFF |
|||
specular = unity_IndirectSpecColor.rgb; |
|||
#else |
|||
half3 env0 = Unity_AnisotropicGlossyEnvironment(UNITY_PASS_TEXCUBE(unity_SpecCube0), data.probeHDR[0], glossIn, anisotropy); |
|||
//half3 env0 = Unity_AnisotropicGlossyEnvironment(UNITY_PASS_TEXCUBE(unity_SpecCube0), data.probeHDR[0], glossIn, anisotropy, L); //Reference IBL from HD Pipe |
|||
#ifdef UNITY_SPECCUBE_BLENDING |
|||
const float kBlendFactor = 0.99999; |
|||
float blendLerp = data.boxMin[0].w; |
|||
UNITY_BRANCH |
|||
if (blendLerp < kBlendFactor) |
|||
{ |
|||
#ifdef UNITY_SPECCUBE_BOX_PROJECTION |
|||
glossIn.reflUVW = BoxProjectedCubemapDirection(iblR, data.worldPos, data.probePosition[1], data.boxMin[1], data.boxMax[1]); |
|||
#endif |
|||
half3 env1 = Unity_AnisotropicGlossyEnvironment(UNITY_PASS_TEXCUBE_SAMPLER(unity_SpecCube1, unity_SpecCube0), data.probeHDR[1], glossIn, anisotropy); |
|||
//half3 env1 = Unity_AnisotropicGlossyEnvironment(UNITY_PASS_TEXCUBE_SAMPLER(unity_SpecCube1, unity_SpecCube0), data.probeHDR[1], glossIn, anisotropy, L); //Reference IBL from HD Pipe |
|||
specular = lerp(env1, env0, blendLerp); |
|||
} |
|||
else |
|||
{ |
|||
specular = env0; |
|||
} |
|||
#else |
|||
specular = env0; |
|||
#endif |
|||
#endif |
|||
|
|||
return specular * occlusion;// *weightOverPdf; //Reference IBL from HD Pipe |
|||
//return specular * occlusion * weightOverPdf; //Reference IBL from HD Pipe |
|||
} |
|||
|
|||
// Global Illumination |
|||
inline UnityGI UnityAnisotropicGlobalIllumination(UnityGIInput data, half occlusion, half3 normalWorld, Unity_GlossyEnvironmentData glossIn, half anisotropy, half3x3 worldVectors) |
|||
{ |
|||
UnityGI o_gi = UnityGI_Base(data, occlusion, normalWorld); |
|||
o_gi.indirect.specular = UnityGI_AnisotropicIndirectSpecular(data, occlusion, glossIn, anisotropy, worldVectors); |
|||
return o_gi; |
|||
} |
|||
|
|||
//------------------------------------------------------------------------------------- |
|||
// Lighting Functions |
|||
|
|||
//Surface Description |
|||
struct SurfaceOutputAdvanced |
|||
{ |
|||
fixed3 Albedo; // base (diffuse or specular) color |
|||
fixed3 Normal; // tangent space normal, if written |
|||
half3 Emission; |
|||
half Metallic; // 0=non-metal, 1=metal |
|||
// Smoothness is the user facing name, it should be perceptual smoothness but user should not have to deal with it. |
|||
// Everywhere in the code you meet smoothness it is perceptual smoothness |
|||
half Smoothness; // 0=rough, 1=smooth |
|||
half Occlusion; // occlusion (default 1) |
|||
fixed Alpha; // alpha for transparencies |
|||
half3 Tangent; |
|||
half Anisotropy; |
|||
half4 CustomData; |
|||
float3x3 WorldVectors; |
|||
//half ShadingModel; |
|||
}; |
|||
|
|||
inline half4 LightingAdvanced(SurfaceOutputAdvanced s, half3 viewDir, UnityGI gi) |
|||
{ |
|||
s.Normal = normalize(s.Normal); |
|||
|
|||
half oneMinusReflectivity; |
|||
half3 specColor; |
|||
s.Albedo = DiffuseAndSpecularFromMetallic(s.Albedo, s.Metallic, /*out*/ specColor, /*out*/ oneMinusReflectivity); |
|||
|
|||
// shader relies on pre-multiply alpha-blend (_SrcBlend = One, _DstBlend = OneMinusSrcAlpha) |
|||
// this is necessary to handle transparency in physically correct way - only diffuse component gets affected by alpha |
|||
half outputAlpha; |
|||
s.Albedo = PreMultiplyAlpha(s.Albedo, s.Alpha, oneMinusReflectivity, /*out*/ outputAlpha); |
|||
|
|||
half4 c = SurfaceShading(s.Albedo, specColor, oneMinusReflectivity, s.Smoothness, s.Normal, s.WorldVectors, s.Anisotropy, s.CustomData, s.Metallic, viewDir, gi.light, gi.indirect); |
|||
c.rgb += SubsurfaceShading(s.Albedo, specColor, s.Normal, s.Smoothness, viewDir, s.CustomData, gi.light); |
|||
|
|||
//c.rgb += UNITY_BRDF_GI(s.Albedo, specColor, oneMinusReflectivity, s.Smoothness, s.Normal, viewDir, s.Occlusion, gi); |
|||
c.a = outputAlpha; |
|||
return c; |
|||
} |
|||
|
|||
//This is pointless as always forward? |
|||
inline half4 LightingAdvanced_Deferred(SurfaceOutputAdvanced s, half3 viewDir, UnityGI gi, out half4 outGBuffer0, out half4 outGBuffer1, out half4 outGBuffer2) |
|||
{ |
|||
half oneMinusReflectivity; |
|||
half3 specColor; |
|||
s.Albedo = DiffuseAndSpecularFromMetallic(s.Albedo, s.Metallic, /*out*/ specColor, /*out*/ oneMinusReflectivity); |
|||
|
|||
half4 c = SurfaceShading(s.Albedo, specColor, oneMinusReflectivity, s.Smoothness, s.Normal, s.WorldVectors, s.Anisotropy, s.CustomData, s.Metallic, viewDir, gi.light, gi.indirect); |
|||
c.rgb += SubsurfaceShading(s.Albedo, specColor, s.Normal, s.Smoothness, viewDir, s.CustomData, gi.light); |
|||
|
|||
UnityStandardData data; |
|||
data.diffuseColor = s.Albedo; |
|||
data.occlusion = s.Occlusion; |
|||
data.specularColor = specColor; |
|||
data.smoothness = s.Smoothness; |
|||
data.normalWorld = s.Normal; |
|||
|
|||
UnityStandardDataToGbuffer(data, outGBuffer0, outGBuffer1, outGBuffer2); |
|||
|
|||
half4 emission = half4(s.Emission + c.rgb, 1); |
|||
return emission; |
|||
} |
|||
|
|||
inline void LightingAdvanced_GI(SurfaceOutputAdvanced s, UnityGIInput data, inout UnityGI gi) |
|||
{ |
|||
#if defined(UNITY_PASS_DEFERRED) && UNITY_ENABLE_REFLECTION_BUFFERS |
|||
gi = UnityGlobalIllumination(data, s.Occlusion, s.Normal); |
|||
#else |
|||
Unity_GlossyEnvironmentData g = UnityGlossyEnvironmentSetup(s.Smoothness, data.worldViewDir, s.Normal, lerp(unity_ColorSpaceDielectricSpec.rgb, s.Albedo, s.Metallic)); |
|||
gi = UnityAnisotropicGlobalIllumination(data, s.Occlusion, s.Normal, g, s.Anisotropy, s.WorldVectors); |
|||
#endif |
|||
} |
|||
|
|||
|
|||
///END |
|||
|
|||
|
|||
//#pragma target 5.0 |
|||
#pragma surface surf Advanced vertex:vert |
|||
#pragma glsl |
|||
#pragma debug |
|||
|
|||
inline float4 unity_multiply_float(float4 arg1, float4 arg2) |
|||
{ |
|||
return arg1 * arg2; |
|||
} |
|||
inline float4 unity_uvrotator_float(float4 arg1, float arg2) |
|||
{ |
|||
arg1.xy -= 0.5; |
|||
float s = sin(arg2); |
|||
float c = cos(arg2); |
|||
float2x2 rMatrix = float2x2(c, -s, s, c); |
|||
rMatrix *= 0.5; |
|||
rMatrix += 0.5; |
|||
rMatrix = rMatrix * 2 - 1; |
|||
arg1.xy = mul(arg1.xy, rMatrix); |
|||
arg1.xy += 0.5; |
|||
return arg1; |
|||
} |
|||
inline float4 unity_add_float(float4 arg1, float4 arg2) |
|||
{ |
|||
return arg1 + arg2; |
|||
} |
|||
inline float3 unity_saturation_float(float3 arg1, float arg2) |
|||
{ |
|||
float luma = dot(arg1, float3(0.2126729, 0.7151522, 0.0721750)); |
|||
return luma.xxx + arg2.xxx * (arg1 - luma.xxx); |
|||
} |
|||
|
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float Vector1_5c761f75_773e_42ed_b242_72e6b25acebd_Uniform; |
|||
float Vector1_91e780ac_52c0_4e9a_bd0e_974f5805854d_Uniform; |
|||
sampler2D Texture_3db1140f_b814_4ba5_a49c_d40499367921_Uniform; |
|||
float Vector1_8272d735_22ca_40c5_a082_1c40f63ad50b_Uniform; |
|||
|
|||
|
|||
struct Input |
|||
{ |
|||
float4 color : COLOR; |
|||
half4 meshUV0; |
|||
float4 worldTangent; |
|||
float3 worldNormal; |
|||
|
|||
}; |
|||
|
|||
void vert(inout appdata_full v, out Input o) |
|||
{ |
|||
UNITY_INITIALIZE_OUTPUT(Input,o); |
|||
o.meshUV0 = v.texcoord; |
|||
o.worldTangent = float4(UnityObjectToWorldDir(v.tangent.xyz), v.tangent.w); |
|||
|
|||
} |
|||
|
|||
void surf(Input IN, inout SurfaceOutputAdvanced o) |
|||
{ |
|||
half4 uv0 = IN.meshUV0; |
|||
float3 worldSpaceTangent = normalize(IN.worldTangent.xyz); |
|||
float3 worldSpaceNormal = normalize(IN.worldNormal); |
|||
float3 worldSpaceBitangent = cross(worldSpaceNormal, worldSpaceTangent) * IN.worldTangent.w; |
|||
float4 Color_60e5aa92_5827_4655_88ef_824edebc611c_Uniform = float4 (1, 1, 1, 0); |
|||
float4 UV_5469bdac_9fb3_4be1_99d3_b33dd79bde38_UV = uv0; |
|||
float Vector1_eba0cdd0_45b4_4538_9e0b_cea4c7422396_Uniform = 10; |
|||
float4 Multiply_4812768f_5378_4eb3_9ce3_7b7b373bf5af_Output = unity_multiply_float(UV_5469bdac_9fb3_4be1_99d3_b33dd79bde38_UV, Vector1_eba0cdd0_45b4_4538_9e0b_cea4c7422396_Uniform); |
|||
float4 Fraction_5d78144e_c212_4560_a9ac_8a1cfa2d8998_Output = frac(Multiply_4812768f_5378_4eb3_9ce3_7b7b373bf5af_Output); |
|||
float4 Texture_3db1140f_b814_4ba5_a49c_d40499367921 = tex2D(Texture_3db1140f_b814_4ba5_a49c_d40499367921_Uniform, (Fraction_5d78144e_c212_4560_a9ac_8a1cfa2d8998_Output.xy)); |
|||
float4 Swizzle_8fa020a1_1e6e_4a73_8319_f9403f55481f_Output = float4(Texture_3db1140f_b814_4ba5_a49c_d40499367921.rbga).rgba; |
|||
float4 UVRotator_33524407_d6a4_4e64_995b_84ca0117ce56_Output = unity_uvrotator_float(Swizzle_8fa020a1_1e6e_4a73_8319_f9403f55481f_Output, _Time.y); |
|||
float4 Swizzle_518dd051_97b1_4f9d_b388_4db28346054e_Output = float4(UVRotator_33524407_d6a4_4e64_995b_84ca0117ce56_Output.rbga).rgba; |
|||
float4 Add_204f3b90_9101_429f_acf1_8fdace08eb17_Output = unity_add_float(Swizzle_518dd051_97b1_4f9d_b388_4db28346054e_Output, float4 (0,0,0,0)); |
|||
float3 Saturation_96e26331_ca74_4d63_aacd_f34516700ae6_Output = unity_saturation_float(Add_204f3b90_9101_429f_acf1_8fdace08eb17_Output, 0); |
|||
o.Albedo = Color_60e5aa92_5827_4655_88ef_824edebc611c_Uniform; |
|||
o.Metallic = Vector1_5c761f75_773e_42ed_b242_72e6b25acebd_Uniform; |
|||
o.Smoothness = Vector1_91e780ac_52c0_4e9a_bd0e_974f5805854d_Uniform; |
|||
o.Occlusion = Saturation_96e26331_ca74_4d63_aacd_f34516700ae6_Output; |
|||
o.Tangent = Add_204f3b90_9101_429f_acf1_8fdace08eb17_Output; |
|||
float3x3 worldToTangent; |
|||
worldToTangent[0] = float3(1, 0, 0); |
|||
worldToTangent[1] = float3(0, 1, 0); |
|||
worldToTangent[2] = float3(0, 0, 1); |
|||
float3 tangentTWS = mul(o.Tangent, worldToTangent); |
|||
o.WorldVectors = float3x3(tangentTWS, worldSpaceBitangent, worldSpaceNormal); |
|||
o.Anisotropy = Vector1_8272d735_22ca_40c5_a082_1c40f63ad50b_Uniform; |
|||
|
|||
} |
|||
ENDCG |
|||
} |
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