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407 行
20 KiB

Shader "HDRenderPipeline/StackLit"
{
Properties
{
// Following set of parameters represent the parameters node inside the MaterialGraph.
// They are use to fill a SurfaceData. With a MaterialGraph this should not exist.
// Reminder. Color here are in linear but the UI (color picker) do the conversion sRGB to linear
// Be careful, do not change the name here to _Color. It will conflict with the "fake" parameters (see end of properties) required for GI.
_BaseColor("BaseColor", Color) = (1,1,1,1)
_BaseColorMap("BaseColor Map", 2D) = "white" {}
[HideInInspector] _BaseColorMapShow("BaseColor Map Show", Float) = 0
_BaseColorMapUV("BaseColor Map UV", Float) = 0.0
_BaseColorMapUVLocal("BaseColorMap UV Local", Float) = 0.0
[HideInInspector] _MetallicMapShow("Metallic Map Show", Float) = 0
_Metallic("Metallic", Range(0.0, 1.0)) = 0
_MetallicMap("Metallic Map", 2D) = "black" {}
_MetallicUseMap("Metallic Use Map", Float) = 0
_MetallicMapUV("Metallic Map UV", Float) = 0.0
_MetallicMapUVLocal("Metallic Map UV Local", Float) = 0.0
_MetallicMapChannel("Metallic Map Channel", Float) = 0.0
_MetallicMapChannelMask("Metallic Map Channel Mask", Vector) = (1, 0, 0, 0)
_MetallicRemap("Metallic Remap", Vector) = (0, 1, 0, 0)
[ToggleUI] _MetallicRemapInverted("Invert Metallic Remap", Float) = 0.0
[HideInInspector] _MetallicRange("Metallic Range", Vector) = (0, 1, 0, 0)
[HideInInspector] _SmoothnessAMapShow("SmoothnessA Map Show", Float) = 0
_SmoothnessA("SmoothnessA", Range(0.0, 1.0)) = 1.0
_SmoothnessAMap("SmoothnessA Map", 2D) = "white" {}
_SmoothnessAUseMap("SmoothnessA Use Map", Float) = 0
_SmoothnessAMapUV("SmoothnessA Map UV", Float) = 0.0
_SmoothnessAMapUVLocal("_SmoothnessA Map UV Local", Float) = 0.0
_SmoothnessAMapChannel("SmoothnessA Map Channel", Float) = 0.0
_SmoothnessAMapChannelMask("SmoothnessA Map Channel Mask", Vector) = (1, 0, 0, 0)
_SmoothnessARemap("SmoothnessA Remap", Vector) = (0, 1, 0, 0)
[ToggleUI] _SmoothnessARemapInverted("Invert SmoothnessA Remap", Float) = 0.0
[HideInInspector] _SmoothnessARange("SmoothnessA Range", Vector) = (0, 1, 0, 0)
[HideInInspector] _SmoothnessBMapShow("SmoothnessB Map Show", Float) = 0
_SmoothnessB("SmoothnessB", Range(0.0, 1.0)) = 1.0
_SmoothnessBMap("SmoothnessB Map", 2D) = "white" {}
_SmoothnessBUseMap("SmoothnessB Use Map", Float) = 0
_SmoothnessBMapUV("SmoothnessB Map UV", Float) = 0.0
_SmoothnessAMapUVLocal("_SmoothnessB Map UV Local", Float) = 0.0
_SmoothnessBMapChannel("SmoothnessB Map Channel", Float) = 0.0
_SmoothnessBMapChannelMask("SmoothnessB Map Channel Mask", Vector) = (1, 0, 0, 0)
_SmoothnessBRemap("SmoothnessB Remap", Vector) = (0, 1, 0, 0)
[ToggleUI] _SmoothnessBRemapInverted("Invert SmoothnessB Remap", Float) = 0.0
[HideInInspector] _SmoothnessBRange("SmoothnessB Range", Vector) = (0, 1, 0, 0)
_LobeMix("Lobe Mix", Range(0.0, 1.0)) = 0
// TODO: TangentMap, AnisotropyMap and CoatIorMap (SmoothnessMap ?)
_Anisotropy("Anisotropy", Range(-1.0, 1.0)) = 0.0
[ToggleUI] _CoatEnable("Coat Enable", Float) = 0.0 // UI only
_CoatSmoothness("Coat Smoothness", Range(0.0, 1.0)) = 1.0
_CoatIor("Coat IOR", Range(1.0, 2.0)) = 1.5
_CoatThickness("Coat Thickness", Range(0.0, 0.99)) = 0.0
_CoatExtinction("Coat Extinction Coefficient", Color) = (1,1,1,1) // in thickness^-1 units
[HideInInspector] _NormalMapShow("NormalMap Show", Float) = 0.0
_NormalMap("NormalMap", 2D) = "bump" {} // Tangent space normal map
_NormalMapUV("NormalMapUV", Float) = 0.0
_NormalMapUVLocal("NormalMapUV Local", Float) = 0.0
_NormalMapObjSpace("NormalMapUV Local", Float) = 0.0
_NormalScale("Normal Scale", Range(0.0, 2.0)) = 1
[HideInInspector] _EmissiveColorMapShow("Emissive Color Map Show", Float) = 0.0
_EmissiveColor("Emissive Color", Color) = (1, 1, 1)
_EmissiveColorMap("Emissive Color Map", 2D) = "white" {}
_EmissiveColorMapUV("Emissive Color Map UV", Range(0.0, 1.0)) = 0
_EmissiveColorMapUVLocal("Emissive Color Map UV Local", Float) = 0.0
_EmissiveIntensity("Emissive Intensity", Float) = 0
[ToggleUI] _AlbedoAffectEmissive("Albedo Affect Emissive", Float) = 0.0
[HideInInspector] _SubsurfaceMaskMapShow("Subsurface Mask Map Show", Float) = 0
_SubsurfaceMask("Subsurface Mask", Range(0.0, 1.0)) = 1.0
_SubsurfaceMaskMap("Subsurface Mask Map", 2D) = "black" {}
_SubsurfaceMaskUSeMap("Subsurface Mask Use Map", Float) = 0
_SubsurfaceMaskMapUV("Subsurface Mask Map UV", Float) = 0.0
_SubsurfaceMaskMapChannel("Subsurface Mask Map Channel", Float) = 0.0
_SubsurfaceMaskMapChannelMask("Subsurface Mask Map Channel Mask", Vector) = (1, 0, 0, 0)
_SubsurfaceMaskRemap("Subsurface Mask Remap", Vector) = (0, 1, 0, 0)
[ToggleUI] _SubsurfaceMaskRemapInverted("Invert Subsurface Mask Remap", Float) = 0.0
[HideInInspector] _SubsurfaceMaskRange("Subsurface Mask Range", Vector) = (0, 1, 0, 0)
[HideInInspector] _ThicknessMapShow("Thickness Show", Float) = 0
_Thickness("Thickness", Range(0.0, 1.0)) = 1.0
_ThicknessMap("Thickness Map", 2D) = "black" {}
_ThicknessUseMap("Thickness Use Map", Float) = 0
_ThicknessMapUV("Thickness Map UV", Float) = 0.0
_ThicknessMapChannel("Thickness Map Channel", Float) = 0.0
_ThicknessMapChannelMask("Thickness Map Channel Mask", Vector) = (1, 0, 0, 0)
_ThicknessRemap("Thickness Remap", Vector) = (0, 1, 0, 0)
[ToggleUI] _ThicknessRemapInverted("Invert Thickness Remap", Float) = 0.0
[HideInInspector] _ThicknessRange("Thickness Range", Vector) = (0, 1, 0, 0)
_DistortionVectorMap("DistortionVectorMap", 2D) = "black" {}
[ToggleUI] _DistortionEnable("Enable Distortion", Float) = 0.0
[ToggleUI] _DistortionOnly("Distortion Only", Float) = 0.0
[ToggleUI] _DistortionDepthTest("Distortion Depth Test Enable", Float) = 1.0
[Enum(Add, 0, Multiply, 1)] _DistortionBlendMode("Distortion Blend Mode", Int) = 0
[HideInInspector] _DistortionSrcBlend("Distortion Blend Src", Int) = 0
[HideInInspector] _DistortionDstBlend("Distortion Blend Dst", Int) = 0
[HideInInspector] _DistortionBlurSrcBlend("Distortion Blur Blend Src", Int) = 0
[HideInInspector] _DistortionBlurDstBlend("Distortion Blur Blend Dst", Int) = 0
[HideInInspector] _DistortionBlurBlendMode("Distortion Blur Blend Mode", Int) = 0
_DistortionScale("Distortion Scale", Float) = 1
_DistortionVectorScale("Distortion Vector Scale", Float) = 2
_DistortionVectorBias("Distortion Vector Bias", Float) = -1
_DistortionBlurScale("Distortion Blur Scale", Float) = 1
_DistortionBlurRemapMin("DistortionBlurRemapMin", Float) = 0.0
_DistortionBlurRemapMax("DistortionBlurRemapMax", Float) = 1.0
// Transparency
[ToggleUI] _PreRefractionPass("PreRefractionPass", Float) = 0.0
[ToggleUI] _AlphaCutoffEnable("Alpha Cutoff Enable", Float) = 0.0
_AlphaCutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
_TransparentSortPriority("_TransparentSortPriority", Float) = 0
// Stencil state
[HideInInspector] _StencilRef("_StencilRef", Int) = 2 // StencilLightingUsage.RegularLighting (fixed at compile time)
[HideInInspector] _StencilWriteMask("_StencilWriteMask", Int) = 7 // StencilMask.Lighting (fixed at compile time)
[HideInInspector] _StencilRefMV("_StencilRefMV", Int) = 128 // StencilLightingUsage.RegularLighting (fixed at compile time)
[HideInInspector] _StencilWriteMaskMV("_StencilWriteMaskMV", Int) = 128 // StencilMask.ObjectsVelocity (fixed at compile time)
// Blending state
[HideInInspector] _SurfaceType("__surfacetype", Float) = 0.0
[HideInInspector] _BlendMode("__blendmode", Float) = 0.0
[HideInInspector] _SrcBlend("__src", Float) = 1.0
[HideInInspector] _DstBlend("__dst", Float) = 0.0
[HideInInspector] _ZWrite("__zw", Float) = 1.0
[HideInInspector] _CullMode("__cullmode", Float) = 2.0
[HideInInspector] _CullModeForward("__cullmodeForward", Float) = 2.0 // This mode is dedicated to Forward to correctly handle backface then front face rendering thin transparent
[HideInInspector] _ZTestDepthEqualForOpaque("_ZTestDepthEqualForOpaque", Int) = 4 // Less equal
[HideInInspector] _ZTestModeDistortion("_ZTestModeDistortion", Int) = 8
[ToggleUI] _EnableFogOnTransparent("Enable Fog", Float) = 1.0
[ToggleUI] _EnableBlendModePreserveSpecularLighting("Enable Blend Mode Preserve Specular Lighting", Float) = 1.0
[ToggleUI] _DoubleSidedEnable("Double sided enable", Float) = 0.0
[Enum(Flip, 0, Mirror, 1, None, 2)] _DoubleSidedNormalMode("Double sided normal mode", Float) = 1 // This is for the editor only, see BaseLitUI.cs: _DoubleSidedConstants will be set based on the mode.
[HideInInspector] _DoubleSidedConstants("_DoubleSidedConstants", Vector) = (1, 1, -1, 0)
// Sections show values.
[HideInInspector] _StandardShow("_StandardShow", Float) = 0.0
[HideInInspector] _EmissiveShow("_EmissiveShow", Float) = 0.0
[HideInInspector] _CoatShow("_CoatShow", Float) = 0.0
[HideInInspector] _SSSShow("_SSSShow", Float) = 0.0
[HideInInspector] _Lobe2Show("_Lobe2Show", Float) = 0.0
[HideInInspector] _AnisotropyShow("_AnisotropyShow", Float) = 0.0
[HideInInspector] _TransmissionShow("_TransmissionShow", Float) = 0.0
[HideInInspector] _IridescenceShow("_IridescenceShow", Float) = 0.0
[HideInInspector] _GlintShow("_GlintShow", Float) = 0.0
// Caution: C# code in BaseLitUI.cs call LightmapEmissionFlagsProperty() which assume that there is an existing "_EmissionColor"
// value that exist to identify if the GI emission need to be enabled.
// In our case we don't use such a mechanism but need to keep the code quiet. We declare the value and always enable it.
// TODO: Fix the code in legacy unity so we can customize the beahvior for GI
_EmissionColor("Color", Color) = (1, 1, 1)
// HACK: GI Baking system relies on some properties existing in the shader ("_MainTex", "_Cutoff" and "_Color") for opacity handling, so we need to store our version of those parameters in the hard-coded name the GI baking system recognizes.
_MainTex("Albedo", 2D) = "white" {}
_Color("Color", Color) = (1,1,1,1)
_Cutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
}
HLSLINCLUDE
#pragma target 4.5
#pragma only_renderers d3d11 ps4 xboxone vulkan metal
//-------------------------------------------------------------------------------------
// Variant
//-------------------------------------------------------------------------------------
#pragma shader_feature _ALPHATEST_ON
#pragma shader_feature _DOUBLESIDED_ON
#pragma shader_feature _NORMALMAP_TANGENT_SPACE
#pragma shader_feature _USE_UV2
#pragma shader_feature _USE_UV3
#pragma shader_feature _USE_TRIPLANAR
// ...TODO: for surface gradient framework eg see litdata.hlsl,
// but we need it right away for toggle with LayerTexCoord mapping so we might need them
// from the Frag input right away. See also ShaderPass/StackLitSharePass.hlsl.
#pragma shader_feature _NORMALMAP
#pragma shader_feature _MASKMAPA
#pragma shader_feature _MASKMAPB
#pragma shader_feature _EMISSIVE_COLOR_MAP
// Keyword for transparent
#pragma shader_feature _SURFACE_TYPE_TRANSPARENT
#pragma shader_feature _ _BLENDMODE_ALPHA _BLENDMODE_ADD _BLENDMODE_PRE_MULTIPLY
#pragma shader_feature _BLENDMODE_PRESERVE_SPECULAR_LIGHTING // easily handled in material.hlsl, so adding this already.
#pragma shader_feature _ENABLE_FOG_ON_TRANSPARENT
// MaterialFeature are used as shader feature to allow compiler to optimize properly
#pragma shader_feature _MATERIAL_FEATURE_ANISOTROPY
#pragma shader_feature _MATERIAL_FEATURE_COAT
#pragma shader_feature _MATERIAL_FEATURE_DUAL_LOBE
//enable GPU instancing support
#pragma multi_compile_instancing
//-------------------------------------------------------------------------------------
// Define
//-------------------------------------------------------------------------------------
#define UNITY_MATERIAL_STACKLIT // Need to be define before including Material.hlsl
//-------------------------------------------------------------------------------------
// Include
//-------------------------------------------------------------------------------------
#include "CoreRP/ShaderLibrary/Common.hlsl"
#include "../../ShaderPass/FragInputs.hlsl"
#include "../../ShaderPass/ShaderPass.cs.hlsl"
//-------------------------------------------------------------------------------------
// variable declaration
//-------------------------------------------------------------------------------------
#include "../../Material/StackLit/StackLitProperties.hlsl"
// All our shaders use same name for entry point
#pragma vertex Vert
#pragma fragment Frag
ENDHLSL
SubShader
{
// This tags allow to use the shader replacement features
Tags{ "RenderPipeline" = "HDRenderPipeline" "RenderType" = "HDStackLitShader" }
// Caution: The outline selection in the editor use the vertex shader/hull/domain shader of the first pass declare. So it should not be the meta pass.
Pass
{
Name "Depth prepass"
Tags{ "LightMode" = "DepthForwardOnly" }
Cull[_CullMode]
ZWrite On
HLSLPROGRAM
#define SHADERPASS SHADERPASS_DEPTH_ONLY
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/StackLitDepthPass.hlsl"
#include "StackLitData.hlsl"
#include "../../ShaderPass/ShaderPassDepthOnly.hlsl"
ENDHLSL
}
// Extracts information for lightmapping, GI (emission, albedo, ...)
// This pass it not used during regular rendering.
Pass
{
Name "META"
Tags{ "LightMode" = "Meta" }
Cull Off
HLSLPROGRAM
// Lightmap memo
// DYNAMICLIGHTMAP_ON is used when we have an "enlighten lightmap" ie a lightmap updated at runtime by enlighten.This lightmap contain indirect lighting from realtime lights and realtime emissive material.Offline baked lighting(from baked material / light,
// both direct and indirect lighting) will hand up in the "regular" lightmap->LIGHTMAP_ON.
#define SHADERPASS SHADERPASS_LIGHT_TRANSPORT
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/StackLitSharePass.hlsl"
#include "StackLitData.hlsl"
#include "../../ShaderPass/ShaderPassLightTransport.hlsl"
ENDHLSL
}
Pass
{
Name "ShadowCaster"
Tags{ "LightMode" = "ShadowCaster" }
Cull[_CullMode]
ZClip [_ZClip]
ZWrite On
ZTest LEqual
ColorMask 0
HLSLPROGRAM
#define SHADERPASS SHADERPASS_SHADOWS
#define USE_LEGACY_UNITY_MATRIX_VARIABLES
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/StackLitDepthPass.hlsl"
#include "StackLitData.hlsl"
#include "../../ShaderPass/ShaderPassDepthOnly.hlsl"
ENDHLSL
}
Pass
{
Name "Distortion" // Name is not used
Tags { "LightMode" = "DistortionVectors" } // This will be only for transparent object based on the RenderQueue index
Blend [_DistortionSrcBlend] [_DistortionDstBlend], [_DistortionBlurSrcBlend] [_DistortionBlurDstBlend]
BlendOp Add, [_DistortionBlurBlendOp]
ZTest [_ZTestModeDistortion]
ZWrite off
Cull [_CullMode]
HLSLPROGRAM
#define SHADERPASS SHADERPASS_DISTORTION
#include "../../ShaderVariables.hlsl"
#include "../../Material/Material.hlsl"
#include "ShaderPass/StackLitDistortionPass.hlsl"
#include "StackLitData.hlsl"
#include "../../ShaderPass/ShaderPassDistortion.hlsl"
ENDHLSL
}
// StackLit shader always render in forward
Pass
{
Name "Forward" // Name is not used
Tags { "LightMode" = "ForwardOnly" }
Stencil
{
WriteMask [_StencilWriteMask]
Ref [_StencilRef]
Comp Always
Pass Replace
}
Blend [_SrcBlend] [_DstBlend]
// In case of forward we want to have depth equal for opaque mesh
ZTest [_ZTestDepthEqualForOpaque]
ZWrite [_ZWrite]
Cull [_CullModeForward]
//
// NOTE: For _CullModeForward, see BaseLitUI and the handling of TransparentBackfaceEnable:
// Basically, we need to use it to support a TransparentBackface pass before this pass
// (and it should be placed just before this one) for separate backface and frontface rendering,
// eg for "hair shader style" approximate sorting, see eg Thorsten Scheuermann writeups on this:
// http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.607.1272&rep=rep1&type=pdf
// http://amd-dev.wpengine.netdna-cdn.com/wordpress/media/2012/10/Scheuermann_HairSketchSlides.pdf
// http://web.engr.oregonstate.edu/~mjb/cs519/Projects/Papers/HairRendering.pdf
//
// See Lit.shader and the order of the passes after a DistortionVectors, we have:
// TransparentDepthPrepass, TransparentBackface, Forward, TransparentDepthPostpass
HLSLPROGRAM
#pragma multi_compile _ DEBUG_DISPLAY
//NEWLITTODO
//#pragma multi_compile _ LIGHTMAP_ON
//#pragma multi_compile _ DIRLIGHTMAP_COMBINED
//#pragma multi_compile _ DYNAMICLIGHTMAP_ON
//#pragma multi_compile _ SHADOWS_SHADOWMASK
// #include "../../Lighting/Forward.hlsl" : nothing left in there.
//#pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
#define LIGHTLOOP_TILE_PASS
#pragma multi_compile USE_FPTL_LIGHTLIST USE_CLUSTERED_LIGHTLIST
#define SHADERPASS SHADERPASS_FORWARD
// In case of opaque we don't want to perform the alpha test, it is done in depth prepass and we use depth equal for ztest (setup from UI)
#ifndef _SURFACE_TYPE_TRANSPARENT
#define SHADERPASS_FORWARD_BYPASS_ALPHA_TEST
#endif
#include "../../ShaderVariables.hlsl"
#ifdef DEBUG_DISPLAY
#include "../../Debug/DebugDisplay.hlsl"
#endif
#include "../../Lighting/Lighting.hlsl"
//...this will include #include "../../Material/Material.hlsl" but also LightLoop which the forward pass directly uses.
#include "ShaderPass/StackLitSharePass.hlsl"
#include "StackLitData.hlsl"
#include "../../ShaderPass/ShaderPassForward.hlsl"
ENDHLSL
}
}
CustomEditor "Experimental.Rendering.HDPipeline.StackLitGUI"
}