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205 行
7.6 KiB

Shader "LightweightPipeline/Standard (Physically Based)"
{
Properties
{
// Specular vs Metallic workflow
[HideInInspector] _WorkflowMode("WorkflowMode", Float) = 1.0
_Color("Color", Color) = (1,1,1,1)
_MainTex("Albedo", 2D) = "white" {}
_Cutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
_Glossiness("Smoothness", Range(0.0, 1.0)) = 0.5
_GlossMapScale("Smoothness Scale", Range(0.0, 1.0)) = 1.0
_SmoothnessTextureChannel("Smoothness texture channel", Float) = 0
[Gamma] _Metallic("Metallic", Range(0.0, 1.0)) = 0.0
_MetallicGlossMap("Metallic", 2D) = "white" {}
_SpecColor("Specular", Color) = (0.2, 0.2, 0.2)
_SpecGlossMap("Specular", 2D) = "white" {}
[ToggleOff] _SpecularHighlights("Specular Highlights", Float) = 1.0
[ToggleOff] _GlossyReflections("Glossy Reflections", Float) = 1.0
_BumpScale("Scale", Float) = 1.0
_BumpMap("Normal Map", 2D) = "bump" {}
_Parallax("Height Scale", Range(0.005, 0.08)) = 0.02
_ParallaxMap("Height Map", 2D) = "black" {}
_OcclusionStrength("Strength", Range(0.0, 1.0)) = 1.0
_OcclusionMap("Occlusion", 2D) = "white" {}
_EmissionColor("Color", Color) = (0,0,0)
_EmissionMap("Emission", 2D) = "white" {}
_DetailMask("Detail Mask", 2D) = "white" {}
_DetailAlbedoMap("Detail Albedo x2", 2D) = "grey" {}
_DetailNormalMapScale("Scale", Float) = 1.0
_DetailNormalMap("Normal Map", 2D) = "bump" {}
[Enum(UV0,0,UV1,1)] _UVSec("UV Set for secondary textures", Float) = 0
// Blending state
[HideInInspector] _Mode("__mode", Float) = 0.0
[HideInInspector] _SrcBlend("__src", Float) = 1.0
[HideInInspector] _DstBlend("__dst", Float) = 0.0
[HideInInspector] _ZWrite("__zw", Float) = 1.0
}
SubShader
{
// Lightweight Pipeline tag is required. If Lightweight pipeline is not set in the graphics settings
// this Subshader will fail. One can add a subshader below or fallback to Standard built-in to make this
// material work with both Lightweight Pipeline and Builtin Unity Pipeline
Tags{"RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline"}
LOD 300
// ------------------------------------------------------------------
// Forward pass. Shades all light in a single pass. GI + emission + Fog
Pass
{
// Lightmode matches the ShaderPassName set in LightweightPipeline.cs. SRPDefaultUnlit and passes with
// no LightMode tag are also rendered by Lightweight Pipeline
Tags{"LightMode" = "LightweightForward"}
Blend[_SrcBlend][_DstBlend]
ZWrite[_ZWrite]
HLSLPROGRAM
// Required to compile gles 2.0 with standard SRP library
// All shaders must be compiled with HLSLcc and currently only gles is not using HLSLcc by default
#pragma prefer_hlslcc gles
#pragma target 3.0
// -------------------------------------
// Material Keywords
#pragma shader_feature _NORMALMAP
#pragma shader_feature _ _ALPHATEST_ON _ALPHABLEND_ON _ALPHAPREMULTIPLY_ON
#pragma shader_feature _EMISSION
#pragma shader_feature _METALLICSPECGLOSSMAP
#pragma shader_feature _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A
#pragma shader_feature _OCCLUSIONMAP
#pragma shader_feature _SPECULARHIGHLIGHTS_OFF
#pragma shader_feature _GLOSSYREFLECTIONS_OFF
#pragma shader_feature _SPECULAR_SETUP
// -------------------------------------
// Lightweight Pipeline keywords
// We have no good approach exposed to skip shader variants, e.g, ideally we would like to skip _CASCADE for all puctual lights
// Lightweight combines light classification and shadows keywords to reduce shader variants.
// Lightweight shader library declares defines based on these keywords to avoid having to check them in the shaders
// Core.hlsl defines _MAIN_LIGHT_DIRECTIONAL and _MAIN_LIGHT_SPOT (point lights can't be main light)
// Shadow.hlsl defines _SHADOWS_ENABLED, _SHADOWS_SOFT, _SHADOWS_CASCADE, _SHADOWS_PERSPECTIVE
#pragma multi_compile _ _MAIN_LIGHT_DIRECTIONAL_SHADOW _MAIN_LIGHT_DIRECTIONAL_SHADOW_CASCADE _MAIN_LIGHT_DIRECTIONAL_SHADOW_SOFT _MAIN_LIGHT_DIRECTIONAL_SHADOW_CASCADE_SOFT _MAIN_LIGHT_SPOT_SHADOW _MAIN_LIGHT_SPOT_SHADOW_SOFT
#pragma multi_compile _ _MAIN_LIGHT_COOKIE
#pragma multi_compile _ _ADDITIONAL_LIGHTS
#pragma multi_compile _ _VERTEX_LIGHTS
#pragma multi_compile _ _MIXED_LIGHTING_SUBTRACTIVE
#pragma multi_compile _ FOG_LINEAR FOG_EXP2
// -------------------------------------
// Unity defined keywords
#pragma multi_compile _ DIRLIGHTMAP_COMBINED LIGHTMAP_ON
//--------------------------------------
// GPU Instancing
#pragma multi_compile_instancing
// LW doesn't support dynamic GI. So we save 30% shader variants if we assume
// LIGHTMAP_ON when DIRLIGHTMAP_COMBINED is set
#ifdef DIRLIGHTMAP_COMBINED
#define LIGHTMAP_ON
#endif
#pragma vertex LitPassVertex
#pragma fragment LitPassFragment
#include "LWRP/ShaderLibrary/LightweightPassLit.hlsl"
ENDHLSL
}
Pass
{
Tags{"LightMode" = "ShadowCaster"}
ZWrite On ZTest LEqual
HLSLPROGRAM
// Required to compile gles 2.0 with standard srp library
#pragma prefer_hlslcc gles
#pragma target 2.0
//--------------------------------------
// GPU Instancing
#pragma multi_compile_instancing
#pragma vertex ShadowPassVertex
#pragma fragment ShadowPassFragment
#include "LWRP/ShaderLibrary/LightweightPassShadow.hlsl"
ENDHLSL
}
Pass
{
Tags{"LightMode" = "DepthOnly"}
ZWrite On
ColorMask 0
HLSLPROGRAM
// Required to compile gles 2.0 with standard srp library
#pragma prefer_hlslcc gles
#pragma target 2.0
#pragma vertex vert
#pragma fragment frag
#include "LWRP/ShaderLibrary/Core.hlsl"
float4 vert(float4 pos : POSITION) : SV_POSITION
{
return TransformObjectToHClip(pos.xyz);
}
half4 frag() : SV_TARGET
{
return 0;
}
ENDHLSL
}
// This pass it not used during regular rendering, only for lightmap baking.
Pass
{
Tags{"LightMode" = "Meta"}
Cull Off
HLSLPROGRAM
// Required to compile gles 2.0 with standard srp library
#pragma prefer_hlslcc gles
#pragma vertex LightweightVertexMeta
#pragma fragment LightweightFragmentMeta
#pragma shader_feature _SPECULAR_SETUP
#pragma shader_feature _EMISSION
#pragma shader_feature _METALLICSPECGLOSSMAP
#pragma shader_feature _ _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A
#pragma shader_feature EDITOR_VISUALIZATION
#pragma shader_feature _SPECGLOSSMAP
#include "LWRP/ShaderLibrary/LightweightPassMeta.hlsl"
ENDHLSL
}
}
FallBack "Hidden/InternalErrorShader"
CustomEditor "LightweightStandardGUI"
}