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Copy pathTree Creator Bark.shader
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Tree Creator Bark.shader
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Shader "HDRPNaturebyCK/Tree Creator Bark"
{
Properties
{
[NoScaleOffset] _MainTex("Base (RGB) Alpha (A)", 2D) = "white" {}
[NoScaleOffset] _BumpMap("Normalmap", 2D) = "white" {}
_Color("Main Color", Color) = (0.8355054,1,0.8349056,0)
_Shininess("Shininess", Range(0, 1)) = 0
[NoScaleOffset] _GlossMap("Gloss (A)", 2D) = "white" {}
[HideInInspector] _EmissionColor("Color", Color) = (1,1,1,1)
}
SubShader
{
Tags
{
"RenderPipeline"="HDRenderPipeline"
"RenderType"="Transparent"
"Queue"="Transparent+0"
}
Pass
{
// based on HDLitPass.template
Name "META"
Tags { "LightMode" = "META" }
//-------------------------------------------------------------------------------------
// Render Modes (Blend, Cull, ZTest, Stencil, etc)
//-------------------------------------------------------------------------------------
Blend One OneMinusSrcAlpha
Cull Off
ZTest LEqual
ZWrite Off
ZClip [_ZClip]
// Default Stencil
//-------------------------------------------------------------------------------------
// End Render Modes
//-------------------------------------------------------------------------------------
HLSLPROGRAM
#pragma target 4.5
#pragma only_renderers d3d11 ps4 xboxone vulkan metal switch
//#pragma enable_d3d11_debug_symbols
#pragma multi_compile_instancing
#pragma instancing_options renderinglayer
#pragma multi_compile _ LOD_FADE_CROSSFADE
//-------------------------------------------------------------------------------------
// Variant Definitions (active field translations to HDRP defines)
//-------------------------------------------------------------------------------------
#define _SURFACE_TYPE_TRANSPARENT 1
#define _BLENDMODE_ALPHA 1
#define _ENABLE_FOG_ON_TRANSPARENT 1
#define _ENERGY_CONSERVING_SPECULAR 1
#define _DISABLE_DECALS 1
#define _DISABLE_SSR 1
//-------------------------------------------------------------------------------------
// End Variant Definitions
//-------------------------------------------------------------------------------------
#pragma vertex Vert
#pragma fragment Frag
// This will be enabled in an upcoming change.
// #define SURFACE_GRADIENT
// If we use subsurface scattering, enable output split lighting (for forward pass)
#if defined(_MATERIAL_FEATURE_SUBSURFACE_SCATTERING) && !defined(_SURFACE_TYPE_TRANSPARENT)
#define OUTPUT_SPLIT_LIGHTING
#endif
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/NormalSurfaceGradient.hlsl"
// define FragInputs structure
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/FragInputs.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/ShaderPass.cs.hlsl"
//-------------------------------------------------------------------------------------
// Defines
//-------------------------------------------------------------------------------------
#define SHADERPASS SHADERPASS_LIGHT_TRANSPORT
// this translates the new dependency tracker into the old preprocessor definitions for the existing HDRP shader code
#define ATTRIBUTES_NEED_NORMAL
#define ATTRIBUTES_NEED_TANGENT
#define ATTRIBUTES_NEED_TEXCOORD0
#define ATTRIBUTES_NEED_TEXCOORD1
#define ATTRIBUTES_NEED_TEXCOORD2
#define ATTRIBUTES_NEED_COLOR
#define VARYINGS_NEED_TEXCOORD0
//-------------------------------------------------------------------------------------
// End Defines
//-------------------------------------------------------------------------------------
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
#ifdef DEBUG_DISPLAY
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Debug/DebugDisplay.hlsl"
#endif
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
#if (SHADERPASS == SHADERPASS_FORWARD)
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/Lighting.hlsl"
#define HAS_LIGHTLOOP
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoopDef.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoop.hlsl"
#else
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
#endif
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/BuiltinUtilities.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/MaterialUtilities.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Decal/DecalUtilities.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/LitDecalData.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderGraphFunctions.hlsl"
// Used by SceneSelectionPass
int _ObjectId;
int _PassValue;
//-------------------------------------------------------------------------------------
// Interpolator Packing And Struct Declarations
//-------------------------------------------------------------------------------------
// Generated Type: AttributesMesh
struct AttributesMesh {
float3 positionOS : POSITION;
float3 normalOS : NORMAL; // optional
float4 tangentOS : TANGENT; // optional
float4 uv0 : TEXCOORD0; // optional
float4 uv1 : TEXCOORD1; // optional
float4 uv2 : TEXCOORD2; // optional
float4 color : COLOR; // optional
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC;
#endif // UNITY_ANY_INSTANCING_ENABLED
};
// Generated Type: VaryingsMeshToPS
struct VaryingsMeshToPS {
float4 positionCS : SV_Position;
float4 texCoord0; // optional
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC;
#endif // UNITY_ANY_INSTANCING_ENABLED
};
struct PackedVaryingsMeshToPS {
float4 interp00 : TEXCOORD0; // auto-packed
float4 positionCS : SV_Position; // unpacked
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC; // unpacked
#endif // UNITY_ANY_INSTANCING_ENABLED
};
PackedVaryingsMeshToPS PackVaryingsMeshToPS(VaryingsMeshToPS input)
{
PackedVaryingsMeshToPS output;
output.positionCS = input.positionCS;
output.interp00.xyzw = input.texCoord0;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif // UNITY_ANY_INSTANCING_ENABLED
return output;
}
VaryingsMeshToPS UnpackVaryingsMeshToPS(PackedVaryingsMeshToPS input)
{
VaryingsMeshToPS output;
output.positionCS = input.positionCS;
output.texCoord0 = input.interp00.xyzw;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif // UNITY_ANY_INSTANCING_ENABLED
return output;
}
// Generated Type: VaryingsMeshToDS
struct VaryingsMeshToDS {
float3 positionRWS;
float3 normalWS;
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC;
#endif // UNITY_ANY_INSTANCING_ENABLED
};
struct PackedVaryingsMeshToDS {
float3 interp00 : TEXCOORD0; // auto-packed
float3 interp01 : TEXCOORD1; // auto-packed
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC; // unpacked
#endif // UNITY_ANY_INSTANCING_ENABLED
};
PackedVaryingsMeshToDS PackVaryingsMeshToDS(VaryingsMeshToDS input)
{
PackedVaryingsMeshToDS output;
output.interp00.xyz = input.positionRWS;
output.interp01.xyz = input.normalWS;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif // UNITY_ANY_INSTANCING_ENABLED
return output;
}
VaryingsMeshToDS UnpackVaryingsMeshToDS(PackedVaryingsMeshToDS input)
{
VaryingsMeshToDS output;
output.positionRWS = input.interp00.xyz;
output.normalWS = input.interp01.xyz;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif // UNITY_ANY_INSTANCING_ENABLED
return output;
}
//-------------------------------------------------------------------------------------
// End Interpolator Packing And Struct Declarations
//-------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------
// Graph generated code
//-------------------------------------------------------------------------------------
// Shared Graph Properties (uniform inputs)
CBUFFER_START(UnityPerMaterial)
float4 _Color;
float _Shininess;
float4 _EmissionColor;
CBUFFER_END
TEXTURE2D(_MainTex); SAMPLER(sampler_MainTex); float4 _MainTex_TexelSize;
TEXTURE2D(_BumpMap); SAMPLER(sampler_BumpMap); float4 _BumpMap_TexelSize;
TEXTURE2D(_GlossMap); SAMPLER(sampler_GlossMap); float4 _GlossMap_TexelSize;
// Pixel Graph Inputs
struct SurfaceDescriptionInputs {
float3 TangentSpaceNormal; // optional
float4 uv0; // optional
};
// Pixel Graph Outputs
struct SurfaceDescription
{
float3 Albedo;
float3 Normal;
float3 BentNormal;
float CoatMask;
float Metallic;
float3 Emission;
float Smoothness;
float Occlusion;
float Alpha;
float AlphaClipThreshold;
};
// Shared Graph Node Functions
void Unity_Multiply_float (float4 A, float4 B, out float4 Out)
{
Out = A * B;
}
void Unity_Multiply_float (float A, float B, out float Out)
{
Out = A * B;
}
// Pixel Graph Evaluation
SurfaceDescription SurfaceDescriptionFunction(SurfaceDescriptionInputs IN)
{
SurfaceDescription surface = (SurfaceDescription)0;
float4 _Property_CCC4877_Out = _Color;
float4 _SampleTexture2D_16D55C5C_RGBA = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv0.xy);
float _SampleTexture2D_16D55C5C_R = _SampleTexture2D_16D55C5C_RGBA.r;
float _SampleTexture2D_16D55C5C_G = _SampleTexture2D_16D55C5C_RGBA.g;
float _SampleTexture2D_16D55C5C_B = _SampleTexture2D_16D55C5C_RGBA.b;
float _SampleTexture2D_16D55C5C_A = _SampleTexture2D_16D55C5C_RGBA.a;
float4 _Multiply_1BBCBAF5_Out;
Unity_Multiply_float(_Property_CCC4877_Out, _SampleTexture2D_16D55C5C_RGBA, _Multiply_1BBCBAF5_Out);
float4 _SampleTexture2D_B633C7A5_RGBA = SAMPLE_TEXTURE2D(_BumpMap, sampler_BumpMap, IN.uv0.xy);
_SampleTexture2D_B633C7A5_RGBA.rgb = UnpackNormalmapRGorAG(_SampleTexture2D_B633C7A5_RGBA);
float _SampleTexture2D_B633C7A5_R = _SampleTexture2D_B633C7A5_RGBA.r;
float _SampleTexture2D_B633C7A5_G = _SampleTexture2D_B633C7A5_RGBA.g;
float _SampleTexture2D_B633C7A5_B = _SampleTexture2D_B633C7A5_RGBA.b;
float _SampleTexture2D_B633C7A5_A = _SampleTexture2D_B633C7A5_RGBA.a;
float4 _SampleTexture2D_3A9148E8_RGBA = SAMPLE_TEXTURE2D(_GlossMap, sampler_GlossMap, IN.uv0.xy);
float _SampleTexture2D_3A9148E8_R = _SampleTexture2D_3A9148E8_RGBA.r;
float _SampleTexture2D_3A9148E8_G = _SampleTexture2D_3A9148E8_RGBA.g;
float _SampleTexture2D_3A9148E8_B = _SampleTexture2D_3A9148E8_RGBA.b;
float _SampleTexture2D_3A9148E8_A = _SampleTexture2D_3A9148E8_RGBA.a;
float _Property_CE157CF_Out = _Shininess;
float _Multiply_6ED6F682_Out;
Unity_Multiply_float(_SampleTexture2D_3A9148E8_A, _Property_CE157CF_Out, _Multiply_6ED6F682_Out);
surface.Albedo = (_Multiply_1BBCBAF5_Out.xyz);
surface.Normal = (_SampleTexture2D_B633C7A5_RGBA.xyz);
surface.BentNormal = IN.TangentSpaceNormal;
surface.CoatMask = 0;
surface.Metallic = 0;
surface.Emission = float3(0, 0, 0);
surface.Smoothness = _Multiply_6ED6F682_Out;
surface.Occlusion = 1;
surface.Alpha = _SampleTexture2D_16D55C5C_A;
surface.AlphaClipThreshold = 0.5;
return surface;
}
//-------------------------------------------------------------------------------------
// End graph generated code
//-------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------
// TEMPLATE INCLUDE : SharedCode.template.hlsl
//-------------------------------------------------------------------------------------
FragInputs BuildFragInputs(VaryingsMeshToPS input)
{
FragInputs output;
ZERO_INITIALIZE(FragInputs, output);
// Init to some default value to make the computer quiet (else it output 'divide by zero' warning even if value is not used).
// TODO: this is a really poor workaround, but the variable is used in a bunch of places
// to compute normals which are then passed on elsewhere to compute other values...
output.worldToTangent = k_identity3x3;
output.positionSS = input.positionCS; // input.positionCS is SV_Position
output.texCoord0 = input.texCoord0;
#if SHADER_STAGE_FRAGMENT
#endif // SHADER_STAGE_FRAGMENT
return output;
}
SurfaceDescriptionInputs FragInputsToSurfaceDescriptionInputs(FragInputs input, float3 viewWS)
{
SurfaceDescriptionInputs output;
ZERO_INITIALIZE(SurfaceDescriptionInputs, output);
output.TangentSpaceNormal = float3(0.0f, 0.0f, 1.0f);
output.uv0 = input.texCoord0;
return output;
}
// existing HDRP code uses the combined function to go directly from packed to frag inputs
FragInputs UnpackVaryingsMeshToFragInputs(PackedVaryingsMeshToPS input)
{
UNITY_SETUP_INSTANCE_ID(input);
VaryingsMeshToPS unpacked= UnpackVaryingsMeshToPS(input);
return BuildFragInputs(unpacked);
}
//-------------------------------------------------------------------------------------
// END TEMPLATE INCLUDE : SharedCode.template.hlsl
//-------------------------------------------------------------------------------------
void BuildSurfaceData(FragInputs fragInputs, inout SurfaceDescription surfaceDescription, float3 V, PositionInputs posInput, out SurfaceData surfaceData, out float3 bentNormalWS)
{
// setup defaults -- these are used if the graph doesn't output a value
ZERO_INITIALIZE(SurfaceData, surfaceData);
// copy across graph values, if defined
surfaceData.baseColor = surfaceDescription.Albedo;
surfaceData.perceptualSmoothness = surfaceDescription.Smoothness;
surfaceData.ambientOcclusion = surfaceDescription.Occlusion;
surfaceData.metallic = surfaceDescription.Metallic;
surfaceData.coatMask = surfaceDescription.CoatMask;
#ifdef _HAS_REFRACTION
if (_EnableSSRefraction)
{
surfaceData.transmittanceMask = (1.0 - surfaceDescription.Alpha);
surfaceDescription.Alpha = 1.0;
}
else
{
surfaceData.ior = 1.0;
surfaceData.transmittanceColor = float3(1.0, 1.0, 1.0);
surfaceData.atDistance = 1.0;
surfaceData.transmittanceMask = 0.0;
surfaceDescription.Alpha = 1.0;
}
#else
surfaceData.ior = 1.0;
surfaceData.transmittanceColor = float3(1.0, 1.0, 1.0);
surfaceData.atDistance = 1.0;
surfaceData.transmittanceMask = 0.0;
#endif
// These static material feature allow compile time optimization
surfaceData.materialFeatures = MATERIALFEATUREFLAGS_LIT_STANDARD;
#ifdef _MATERIAL_FEATURE_SUBSURFACE_SCATTERING
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_SUBSURFACE_SCATTERING;
#endif
#ifdef _MATERIAL_FEATURE_TRANSMISSION
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_TRANSMISSION;
#endif
#ifdef _MATERIAL_FEATURE_ANISOTROPY
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_ANISOTROPY;
#endif
#ifdef _MATERIAL_FEATURE_IRIDESCENCE
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_IRIDESCENCE;
#endif
#ifdef _MATERIAL_FEATURE_SPECULAR_COLOR
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_SPECULAR_COLOR;
#endif
#if defined (_MATERIAL_FEATURE_SPECULAR_COLOR) && defined (_ENERGY_CONSERVING_SPECULAR)
// Require to have setup baseColor
// Reproduce the energy conservation done in legacy Unity. Not ideal but better for compatibility and users can unchek it
surfaceData.baseColor *= (1.0 - Max3(surfaceData.specularColor.r, surfaceData.specularColor.g, surfaceData.specularColor.b));
#endif
float3 doubleSidedConstants = float3(1.0, 1.0, 1.0);
// tangent-space normal
float3 normalTS = float3(0.0f, 0.0f, 1.0f);
normalTS = surfaceDescription.Normal;
// compute world space normal
GetNormalWS(fragInputs, normalTS, surfaceData.normalWS, doubleSidedConstants);
bentNormalWS = surfaceData.normalWS;
surfaceData.geomNormalWS = fragInputs.worldToTangent[2];
surfaceData.tangentWS = normalize(fragInputs.worldToTangent[0].xyz); // The tangent is not normalize in worldToTangent for mikkt. TODO: Check if it expected that we normalize with Morten. Tag: SURFACE_GRADIENT
surfaceData.tangentWS = Orthonormalize(surfaceData.tangentWS, surfaceData.normalWS);
// By default we use the ambient occlusion with Tri-ace trick (apply outside) for specular occlusion.
// If user provide bent normal then we process a better term
#if defined(_SPECULAR_OCCLUSION_CUSTOM)
// Just use the value passed through via the slot (not active otherwise)
#elif defined(_SPECULAR_OCCLUSION_FROM_AO_BENT_NORMAL)
// If we have bent normal and ambient occlusion, process a specular occlusion
surfaceData.specularOcclusion = GetSpecularOcclusionFromBentAO(V, bentNormalWS, surfaceData.normalWS, surfaceData.ambientOcclusion, PerceptualSmoothnessToPerceptualRoughness(surfaceData.perceptualSmoothness));
#elif defined(_AMBIENT_OCCLUSION) && defined(_SPECULAR_OCCLUSION_FROM_AO)
surfaceData.specularOcclusion = GetSpecularOcclusionFromAmbientOcclusion(ClampNdotV(dot(surfaceData.normalWS, V)), surfaceData.ambientOcclusion, PerceptualSmoothnessToRoughness(surfaceData.perceptualSmoothness));
#else
surfaceData.specularOcclusion = 1.0;
#endif
#if HAVE_DECALS
if (_EnableDecals)
{
DecalSurfaceData decalSurfaceData = GetDecalSurfaceData(posInput, surfaceDescription.Alpha);
ApplyDecalToSurfaceData(decalSurfaceData, surfaceData);
}
#endif
#ifdef _ENABLE_GEOMETRIC_SPECULAR_AA
surfaceData.perceptualSmoothness = GeometricNormalFiltering(surfaceData.perceptualSmoothness, fragInputs.worldToTangent[2], surfaceDescription.SpecularAAScreenSpaceVariance, surfaceDescription.SpecularAAThreshold);
#endif
#ifdef DEBUG_DISPLAY
if (_DebugMipMapMode != DEBUGMIPMAPMODE_NONE)
{
// TODO: need to update mip info
surfaceData.metallic = 0;
}
// We need to call ApplyDebugToSurfaceData after filling the surfarcedata and before filling builtinData
// as it can modify attribute use for static lighting
ApplyDebugToSurfaceData(fragInputs.worldToTangent, surfaceData);
#endif
}
void GetSurfaceAndBuiltinData(FragInputs fragInputs, float3 V, inout PositionInputs posInput, out SurfaceData surfaceData, out BuiltinData builtinData)
{
#ifdef LOD_FADE_CROSSFADE // enable dithering LOD transition if user select CrossFade transition in LOD group
uint3 fadeMaskSeed = asuint((int3)(V * _ScreenSize.xyx)); // Quantize V to _ScreenSize values
LODDitheringTransition(fadeMaskSeed, unity_LODFade.x);
#endif
float3 doubleSidedConstants = float3(1.0, 1.0, 1.0);
ApplyDoubleSidedFlipOrMirror(fragInputs, doubleSidedConstants);
SurfaceDescriptionInputs surfaceDescriptionInputs = FragInputsToSurfaceDescriptionInputs(fragInputs, V);
SurfaceDescription surfaceDescription = SurfaceDescriptionFunction(surfaceDescriptionInputs);
// Perform alpha test very early to save performance (a killed pixel will not sample textures)
// TODO: split graph evaluation to grab just alpha dependencies first? tricky..
DoAlphaTest(surfaceDescription.Alpha, surfaceDescription.AlphaClipThreshold);
float3 bentNormalWS;
BuildSurfaceData(fragInputs, surfaceDescription, V, posInput, surfaceData, bentNormalWS);
// Builtin Data
// For back lighting we use the oposite vertex normal
InitBuiltinData(surfaceDescription.Alpha, bentNormalWS, -fragInputs.worldToTangent[2], fragInputs.positionRWS, fragInputs.texCoord1, fragInputs.texCoord2, builtinData);
builtinData.emissiveColor = surfaceDescription.Emission;
// TODO: Handle depth offset
//builtinData.depthOffset = 0.0;
#if (SHADERPASS == SHADERPASS_DISTORTION)
builtinData.distortion = surfaceDescription.Distortion;
builtinData.distortionBlur = surfaceDescription.DistortionBlur;
#else
builtinData.distortion = float2(0.0, 0.0);
builtinData.distortionBlur = 0.0;
#endif
PostInitBuiltinData(V, posInput, surfaceData, builtinData);
}
//-------------------------------------------------------------------------------------
// Pass Includes
//-------------------------------------------------------------------------------------
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/ShaderPassLightTransport.hlsl"
//-------------------------------------------------------------------------------------
// End Pass Includes
//-------------------------------------------------------------------------------------
ENDHLSL
}
Pass
{
// based on HDLitPass.template
Name "ShadowCaster"
Tags { "LightMode" = "ShadowCaster" }
//-------------------------------------------------------------------------------------
// Render Modes (Blend, Cull, ZTest, Stencil, etc)
//-------------------------------------------------------------------------------------
Blend One Zero
Cull Back
ZTest LEqual
ZWrite On
ZClip [_ZClip]
// Default Stencil
ColorMask 0
//-------------------------------------------------------------------------------------
// End Render Modes
//-------------------------------------------------------------------------------------
HLSLPROGRAM
#pragma target 4.5
#pragma only_renderers d3d11 ps4 xboxone vulkan metal switch
//#pragma enable_d3d11_debug_symbols
#pragma multi_compile_instancing
#pragma instancing_options renderinglayer
#pragma multi_compile _ LOD_FADE_CROSSFADE
//-------------------------------------------------------------------------------------
// Variant Definitions (active field translations to HDRP defines)
//-------------------------------------------------------------------------------------
#define _SURFACE_TYPE_TRANSPARENT 1
#define _BLENDMODE_ALPHA 1
#define _ENABLE_FOG_ON_TRANSPARENT 1
#define _ENERGY_CONSERVING_SPECULAR 1
#define _DISABLE_DECALS 1
#define _DISABLE_SSR 1
//-------------------------------------------------------------------------------------
// End Variant Definitions
//-------------------------------------------------------------------------------------
#pragma vertex Vert
#pragma fragment Frag
// This will be enabled in an upcoming change.
// #define SURFACE_GRADIENT
// If we use subsurface scattering, enable output split lighting (for forward pass)
#if defined(_MATERIAL_FEATURE_SUBSURFACE_SCATTERING) && !defined(_SURFACE_TYPE_TRANSPARENT)
#define OUTPUT_SPLIT_LIGHTING
#endif
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/NormalSurfaceGradient.hlsl"
// define FragInputs structure
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/FragInputs.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/ShaderPass.cs.hlsl"
//-------------------------------------------------------------------------------------
// Defines
//-------------------------------------------------------------------------------------
#define SHADERPASS SHADERPASS_SHADOWS
#define USE_LEGACY_UNITY_MATRIX_VARIABLES
// this translates the new dependency tracker into the old preprocessor definitions for the existing HDRP shader code
#define ATTRIBUTES_NEED_TEXCOORD0
#define VARYINGS_NEED_TEXCOORD0
//-------------------------------------------------------------------------------------
// End Defines
//-------------------------------------------------------------------------------------
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
#ifdef DEBUG_DISPLAY
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Debug/DebugDisplay.hlsl"
#endif
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
#if (SHADERPASS == SHADERPASS_FORWARD)
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/Lighting.hlsl"
#define HAS_LIGHTLOOP
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoopDef.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoop.hlsl"
#else
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
#endif
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/BuiltinUtilities.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/MaterialUtilities.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Decal/DecalUtilities.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/LitDecalData.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderGraphFunctions.hlsl"
// Used by SceneSelectionPass
int _ObjectId;
int _PassValue;
//-------------------------------------------------------------------------------------
// Interpolator Packing And Struct Declarations
//-------------------------------------------------------------------------------------
// Generated Type: AttributesMesh
struct AttributesMesh {
float3 positionOS : POSITION;
float4 uv0 : TEXCOORD0; // optional
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC;
#endif // UNITY_ANY_INSTANCING_ENABLED
};
// Generated Type: VaryingsMeshToPS
struct VaryingsMeshToPS {
float4 positionCS : SV_Position;
float4 texCoord0; // optional
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC;
#endif // UNITY_ANY_INSTANCING_ENABLED
};
struct PackedVaryingsMeshToPS {
float4 interp00 : TEXCOORD0; // auto-packed
float4 positionCS : SV_Position; // unpacked
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC; // unpacked
#endif // UNITY_ANY_INSTANCING_ENABLED
};
PackedVaryingsMeshToPS PackVaryingsMeshToPS(VaryingsMeshToPS input)
{
PackedVaryingsMeshToPS output;
output.positionCS = input.positionCS;
output.interp00.xyzw = input.texCoord0;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif // UNITY_ANY_INSTANCING_ENABLED
return output;
}
VaryingsMeshToPS UnpackVaryingsMeshToPS(PackedVaryingsMeshToPS input)
{
VaryingsMeshToPS output;
output.positionCS = input.positionCS;
output.texCoord0 = input.interp00.xyzw;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif // UNITY_ANY_INSTANCING_ENABLED
return output;
}
// Generated Type: VaryingsMeshToDS
struct VaryingsMeshToDS {
float3 positionRWS;
float3 normalWS;
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC;
#endif // UNITY_ANY_INSTANCING_ENABLED
};
struct PackedVaryingsMeshToDS {
float3 interp00 : TEXCOORD0; // auto-packed
float3 interp01 : TEXCOORD1; // auto-packed
#if UNITY_ANY_INSTANCING_ENABLED
uint instanceID : INSTANCEID_SEMANTIC; // unpacked
#endif // UNITY_ANY_INSTANCING_ENABLED
};
PackedVaryingsMeshToDS PackVaryingsMeshToDS(VaryingsMeshToDS input)
{
PackedVaryingsMeshToDS output;
output.interp00.xyz = input.positionRWS;
output.interp01.xyz = input.normalWS;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif // UNITY_ANY_INSTANCING_ENABLED
return output;
}
VaryingsMeshToDS UnpackVaryingsMeshToDS(PackedVaryingsMeshToDS input)
{
VaryingsMeshToDS output;
output.positionRWS = input.interp00.xyz;
output.normalWS = input.interp01.xyz;
#if UNITY_ANY_INSTANCING_ENABLED
output.instanceID = input.instanceID;
#endif // UNITY_ANY_INSTANCING_ENABLED
return output;
}
//-------------------------------------------------------------------------------------
// End Interpolator Packing And Struct Declarations
//-------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------
// Graph generated code
//-------------------------------------------------------------------------------------
// Shared Graph Properties (uniform inputs)
CBUFFER_START(UnityPerMaterial)
float4 _Color;
float _Shininess;
float4 _EmissionColor;
CBUFFER_END
TEXTURE2D(_MainTex); SAMPLER(sampler_MainTex); float4 _MainTex_TexelSize;
TEXTURE2D(_BumpMap); SAMPLER(sampler_BumpMap); float4 _BumpMap_TexelSize;
TEXTURE2D(_GlossMap); SAMPLER(sampler_GlossMap); float4 _GlossMap_TexelSize;
// Pixel Graph Inputs
struct SurfaceDescriptionInputs {
float3 TangentSpaceNormal; // optional
float4 uv0; // optional
};
// Pixel Graph Outputs
struct SurfaceDescription
{
float Alpha;
float AlphaClipThreshold;
};
// Shared Graph Node Functions
// Pixel Graph Evaluation
SurfaceDescription SurfaceDescriptionFunction(SurfaceDescriptionInputs IN)
{
SurfaceDescription surface = (SurfaceDescription)0;
float4 _SampleTexture2D_16D55C5C_RGBA = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv0.xy);
float _SampleTexture2D_16D55C5C_R = _SampleTexture2D_16D55C5C_RGBA.r;
float _SampleTexture2D_16D55C5C_G = _SampleTexture2D_16D55C5C_RGBA.g;
float _SampleTexture2D_16D55C5C_B = _SampleTexture2D_16D55C5C_RGBA.b;
float _SampleTexture2D_16D55C5C_A = _SampleTexture2D_16D55C5C_RGBA.a;
surface.Alpha = _SampleTexture2D_16D55C5C_A;
surface.AlphaClipThreshold = 0.5;
return surface;
}
//-------------------------------------------------------------------------------------
// End graph generated code
//-------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------
// TEMPLATE INCLUDE : SharedCode.template.hlsl
//-------------------------------------------------------------------------------------
FragInputs BuildFragInputs(VaryingsMeshToPS input)
{
FragInputs output;
ZERO_INITIALIZE(FragInputs, output);
// Init to some default value to make the computer quiet (else it output 'divide by zero' warning even if value is not used).
// TODO: this is a really poor workaround, but the variable is used in a bunch of places
// to compute normals which are then passed on elsewhere to compute other values...
output.worldToTangent = k_identity3x3;
output.positionSS = input.positionCS; // input.positionCS is SV_Position
output.texCoord0 = input.texCoord0;
#if SHADER_STAGE_FRAGMENT
#endif // SHADER_STAGE_FRAGMENT
return output;
}
SurfaceDescriptionInputs FragInputsToSurfaceDescriptionInputs(FragInputs input, float3 viewWS)
{
SurfaceDescriptionInputs output;
ZERO_INITIALIZE(SurfaceDescriptionInputs, output);
output.TangentSpaceNormal = float3(0.0f, 0.0f, 1.0f);
output.uv0 = input.texCoord0;
return output;
}
// existing HDRP code uses the combined function to go directly from packed to frag inputs
FragInputs UnpackVaryingsMeshToFragInputs(PackedVaryingsMeshToPS input)
{
UNITY_SETUP_INSTANCE_ID(input);
VaryingsMeshToPS unpacked= UnpackVaryingsMeshToPS(input);
return BuildFragInputs(unpacked);
}
//-------------------------------------------------------------------------------------
// END TEMPLATE INCLUDE : SharedCode.template.hlsl
//-------------------------------------------------------------------------------------
void BuildSurfaceData(FragInputs fragInputs, inout SurfaceDescription surfaceDescription, float3 V, PositionInputs posInput, out SurfaceData surfaceData, out float3 bentNormalWS)
{
// setup defaults -- these are used if the graph doesn't output a value
ZERO_INITIALIZE(SurfaceData, surfaceData);
// copy across graph values, if defined
#ifdef _HAS_REFRACTION
if (_EnableSSRefraction)
{
surfaceData.transmittanceMask = (1.0 - surfaceDescription.Alpha);
surfaceDescription.Alpha = 1.0;
}
else
{
surfaceData.ior = 1.0;
surfaceData.transmittanceColor = float3(1.0, 1.0, 1.0);
surfaceData.atDistance = 1.0;
surfaceData.transmittanceMask = 0.0;
surfaceDescription.Alpha = 1.0;
}
#else
surfaceData.ior = 1.0;
surfaceData.transmittanceColor = float3(1.0, 1.0, 1.0);
surfaceData.atDistance = 1.0;
surfaceData.transmittanceMask = 0.0;
#endif
// These static material feature allow compile time optimization
surfaceData.materialFeatures = MATERIALFEATUREFLAGS_LIT_STANDARD;
#ifdef _MATERIAL_FEATURE_SUBSURFACE_SCATTERING
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_SUBSURFACE_SCATTERING;
#endif
#ifdef _MATERIAL_FEATURE_TRANSMISSION
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_TRANSMISSION;
#endif
#ifdef _MATERIAL_FEATURE_ANISOTROPY
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_ANISOTROPY;
#endif
#ifdef _MATERIAL_FEATURE_IRIDESCENCE
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_IRIDESCENCE;
#endif
#ifdef _MATERIAL_FEATURE_SPECULAR_COLOR
surfaceData.materialFeatures |= MATERIALFEATUREFLAGS_LIT_SPECULAR_COLOR;
#endif
#if defined (_MATERIAL_FEATURE_SPECULAR_COLOR) && defined (_ENERGY_CONSERVING_SPECULAR)
// Require to have setup baseColor
// Reproduce the energy conservation done in legacy Unity. Not ideal but better for compatibility and users can unchek it
surfaceData.baseColor *= (1.0 - Max3(surfaceData.specularColor.r, surfaceData.specularColor.g, surfaceData.specularColor.b));
#endif
float3 doubleSidedConstants = float3(1.0, 1.0, 1.0);
// tangent-space normal
float3 normalTS = float3(0.0f, 0.0f, 1.0f);
// compute world space normal
GetNormalWS(fragInputs, normalTS, surfaceData.normalWS, doubleSidedConstants);
bentNormalWS = surfaceData.normalWS;
surfaceData.geomNormalWS = fragInputs.worldToTangent[2];
surfaceData.tangentWS = normalize(fragInputs.worldToTangent[0].xyz); // The tangent is not normalize in worldToTangent for mikkt. TODO: Check if it expected that we normalize with Morten. Tag: SURFACE_GRADIENT
surfaceData.tangentWS = Orthonormalize(surfaceData.tangentWS, surfaceData.normalWS);
// By default we use the ambient occlusion with Tri-ace trick (apply outside) for specular occlusion.
// If user provide bent normal then we process a better term
#if defined(_SPECULAR_OCCLUSION_CUSTOM)
// Just use the value passed through via the slot (not active otherwise)
#elif defined(_SPECULAR_OCCLUSION_FROM_AO_BENT_NORMAL)
// If we have bent normal and ambient occlusion, process a specular occlusion
surfaceData.specularOcclusion = GetSpecularOcclusionFromBentAO(V, bentNormalWS, surfaceData.normalWS, surfaceData.ambientOcclusion, PerceptualSmoothnessToPerceptualRoughness(surfaceData.perceptualSmoothness));
#elif defined(_AMBIENT_OCCLUSION) && defined(_SPECULAR_OCCLUSION_FROM_AO)
surfaceData.specularOcclusion = GetSpecularOcclusionFromAmbientOcclusion(ClampNdotV(dot(surfaceData.normalWS, V)), surfaceData.ambientOcclusion, PerceptualSmoothnessToRoughness(surfaceData.perceptualSmoothness));
#else
surfaceData.specularOcclusion = 1.0;
#endif
#if HAVE_DECALS
if (_EnableDecals)
{
DecalSurfaceData decalSurfaceData = GetDecalSurfaceData(posInput, surfaceDescription.Alpha);
ApplyDecalToSurfaceData(decalSurfaceData, surfaceData);
}
#endif
#ifdef _ENABLE_GEOMETRIC_SPECULAR_AA
surfaceData.perceptualSmoothness = GeometricNormalFiltering(surfaceData.perceptualSmoothness, fragInputs.worldToTangent[2], surfaceDescription.SpecularAAScreenSpaceVariance, surfaceDescription.SpecularAAThreshold);
#endif
#ifdef DEBUG_DISPLAY
if (_DebugMipMapMode != DEBUGMIPMAPMODE_NONE)
{
// TODO: need to update mip info
surfaceData.metallic = 0;
}
// We need to call ApplyDebugToSurfaceData after filling the surfarcedata and before filling builtinData
// as it can modify attribute use for static lighting
ApplyDebugToSurfaceData(fragInputs.worldToTangent, surfaceData);
#endif
}
void GetSurfaceAndBuiltinData(FragInputs fragInputs, float3 V, inout PositionInputs posInput, out SurfaceData surfaceData, out BuiltinData builtinData)
{
#ifdef LOD_FADE_CROSSFADE // enable dithering LOD transition if user select CrossFade transition in LOD group
uint3 fadeMaskSeed = asuint((int3)(V * _ScreenSize.xyx)); // Quantize V to _ScreenSize values
LODDitheringTransition(fadeMaskSeed, unity_LODFade.x);
#endif
float3 doubleSidedConstants = float3(1.0, 1.0, 1.0);
ApplyDoubleSidedFlipOrMirror(fragInputs, doubleSidedConstants);
SurfaceDescriptionInputs surfaceDescriptionInputs = FragInputsToSurfaceDescriptionInputs(fragInputs, V);
SurfaceDescription surfaceDescription = SurfaceDescriptionFunction(surfaceDescriptionInputs);
// Perform alpha test very early to save performance (a killed pixel will not sample textures)
// TODO: split graph evaluation to grab just alpha dependencies first? tricky..
DoAlphaTest(surfaceDescription.Alpha, surfaceDescription.AlphaClipThreshold);
float3 bentNormalWS;
BuildSurfaceData(fragInputs, surfaceDescription, V, posInput, surfaceData, bentNormalWS);
// Builtin Data
// For back lighting we use the oposite vertex normal
InitBuiltinData(surfaceDescription.Alpha, bentNormalWS, -fragInputs.worldToTangent[2], fragInputs.positionRWS, fragInputs.texCoord1, fragInputs.texCoord2, builtinData);
// TODO: Handle depth offset
//builtinData.depthOffset = 0.0;
#if (SHADERPASS == SHADERPASS_DISTORTION)
builtinData.distortion = surfaceDescription.Distortion;
builtinData.distortionBlur = surfaceDescription.DistortionBlur;
#else
builtinData.distortion = float2(0.0, 0.0);
builtinData.distortionBlur = 0.0;
#endif
PostInitBuiltinData(V, posInput, surfaceData, builtinData);
}
//-------------------------------------------------------------------------------------
// Pass Includes
//-------------------------------------------------------------------------------------
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/ShaderPassDepthOnly.hlsl"
//-------------------------------------------------------------------------------------
// End Pass Includes
//-------------------------------------------------------------------------------------
ENDHLSL
}
Pass
{
// based on HDLitPass.template
Name "SceneSelectionPass"
Tags { "LightMode" = "SceneSelectionPass" }
//-------------------------------------------------------------------------------------
// Render Modes (Blend, Cull, ZTest, Stencil, etc)
//-------------------------------------------------------------------------------------
Blend One OneMinusSrcAlpha
Cull Back
ZTest LEqual