效果图
Shader "Custom/StandardSurfaceShader" {
Properties {
_Color ("Color", Color) = (1,1,1,1) //颜色
_MainTex ("Albedo (RGB)", 2D) = "white" {} //主纹理
_Glossiness ("Smoothness", Range(0,1)) = 0.5 //高光反射指数？反射系数？
_Metallic ("Metallic", Range(0,1)) = 0.0 //金属值
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
// 基于物理的光照模型Standard 以及 全局阴影(投射阴影）
#pragma surface surf Standard fullforwardshadows
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
half _Glossiness;
half _Metallic;
fixed4 _Color;
// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
// #pragma instancing_options assumeuniformscaling
UNITY_INSTANCING_BUFFER_START(Props)
// put more per-instance properties here
UNITY_INSTANCING_BUFFER_END(Props)
void surf (Input IN, inout SurfaceOutputStandard o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color; //采样主纹理颜色 混合 自定义颜色值
o.Albedo = c.rgb; //反射率RGB输出
// Metallic and smoothness come from slider variables
o.Metallic = _Metallic; //金属值输出
o.Smoothness = _Glossiness; //反射值输出
o.Alpha = c.a; //Alpha值输出
}
ENDCG
}
FallBack "Diffuse" //若上述SubShader无法进行渲染，则使用Diffuse着色器进行渲染
}
表面着色器会转为顶点片元着色器如下（由于过长后期会选取部分进行解释）
Shader "Custom/StandardSurfaceShader" {
Properties {
_Color ("Color", Color) = (1,1,1,1) //颜色
_MainTex ("Albedo (RGB)", 2D) = "white" {} //主纹理
_Glossiness ("Smoothness", Range(0,1)) = 0.5 //高光反射指数？反射系数？
_Metallic ("Metallic", Range(0,1)) = 0.0 //金属值
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
// ------------------------------------------------------------
// Surface shader code generated out of a CGPROGRAM block:
// ---- forward rendering base pass:
Pass {
Name "FORWARD"
Tags { "LightMode" = "ForwardBase" }
CGPROGRAM
// compile directives
#pragma vertex vert_surf
#pragma fragment frag_surf
#pragma target 3.0
#pragma multi_compile_instancing
#pragma multi_compile_fog
#pragma multi_compile_fwdbase
#include "HLSLSupport.cginc"
#include "UnityShaderVariables.cginc"
#include "UnityShaderUtilities.cginc"
// -------- variant for: <when no other keywords are defined>
#if !defined(INSTANCING_ON)
// Surface shader code generated based on:
// writes to per-pixel normal: no
// writes to emission: no
// writes to occlusion: no
// needs world space reflection vector: no
// needs world space normal vector: no
// needs screen space position: no
// needs world space position: no
// needs view direction: no
// needs world space view direction: no
// needs world space position for lighting: YES
// needs world space view direction for lighting: YES
// needs world space view direction for lightmaps: no
// needs vertex color: no
// needs VFACE: no
// passes tangent-to-world matrix to pixel shader: no
// reads from normal: no
// 1 texcoords actually used
// float2 _MainTex
#define UNITY_PASS_FORWARDBASE
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "UnityPBSLighting.cginc"
#include "AutoLight.cginc"
#define INTERNAL_DATA
#define WorldReflectionVector(data,normal) data.worldRefl
#define WorldNormalVector(data,normal) normal
// Original surface shader snippet:
#line 10 ""
#ifdef DUMMY_PREPROCESSOR_TO_WORK_AROUND_HLSL_COMPILER_LINE_HANDLING
#endif
/* UNITY: Original start of shader */
// Physically based Standard lighting model, and enable shadows on all light types
// 基于物理的光照模型Standard 以及 全局阴影(投射阴影）
//#pragma surface surf Standard fullforwardshadows
// Use shader model 3.0 target, to get nicer looking lighting
//#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
half _Glossiness;
half _Metallic;
fixed4 _Color;
// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
// //#pragma instancing_options assumeuniformscaling
UNITY_INSTANCING_BUFFER_START(Props)
// put more per-instance properties here
UNITY_INSTANCING_BUFFER_END(Props)
void surf (Input IN, inout SurfaceOutputStandard o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color; //采样主纹理颜色 混合 自定义颜色值
o.Albedo = c.rgb; //反射率RGB输出
// Metallic and smoothness come from slider variables
o.Metallic = _Metallic; //金属值输出
o.Smoothness = _Glossiness; //反射值输出
o.Alpha = c.a; //Alpha值输出
}
// vertex-to-fragment interpolation data
// no lightmaps:
#ifndef LIGHTMAP_ON
struct v2f_surf {
UNITY_POSITION(pos);
float2 pack0 : TEXCOORD0; // _MainTex
float3 worldNormal : TEXCOORD1;
float3 worldPos : TEXCOORD2;
#if UNITY_SHOULD_SAMPLE_SH
half3 sh : TEXCOORD3; // SH
#endif
UNITY_SHADOW_COORDS(4)
UNITY_FOG_COORDS(5)
#if SHADER_TARGET >= 30
float4 lmap : TEXCOORD6;
#endif
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
#endif
// with lightmaps:
#ifdef LIGHTMAP_ON
struct v2f_surf {
UNITY_POSITION(pos);
float2 pack0 : TEXCOORD0; // _MainTex
float3 worldNormal : TEXCOORD1;
float3 worldPos : TEXCOORD2;
float4 lmap : TEXCOORD3;
UNITY_SHADOW_COORDS(4)
UNITY_FOG_COORDS(5)
#ifdef DIRLIGHTMAP_COMBINED
float3 tSpace0 : TEXCOORD6;
float3 tSpace1 : TEXCOORD7;
float3 tSpace2 : TEXCOORD8;
#endif
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
#endif
float4 _MainTex_ST;
// vertex shader
v2f_surf vert_surf (appdata_full v) {
UNITY_SETUP_INSTANCE_ID(v);
v2f_surf o;
UNITY_INITIALIZE_OUTPUT(v2f_surf,o);
UNITY_TRANSFER_INSTANCE_ID(v,o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
o.pos = UnityObjectToClipPos(v.vertex);
o.pack0.xy = TRANSFORM_TEX(v.texcoord, _MainTex);
float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
float3 worldNormal = UnityObjectToWorldNormal(v.normal);
#if defined(LIGHTMAP_ON) && defined(DIRLIGHTMAP_COMBINED)
fixed3 worldTangent = UnityObjectToWorldDir(v.tangent.xyz);
fixed tangentSign = v.tangent.w * unity_WorldTransformParams.w;
fixed3 worldBinormal = cross(worldNormal, worldTangent) * tangentSign;
#endif
#if defined(LIGHTMAP_ON) && defined(DIRLIGHTMAP_COMBINED)
o.tSpace0 = float4(worldTangent.x, worldBinormal.x, worldNormal.x, worldPos.x);
o.tSpace1 = float4(worldTangent.y, worldBinormal.y, worldNormal.y, worldPos.y);
o.tSpace2 = float4(worldTangent.z, worldBinormal.z, worldNormal.z, worldPos.z);
#endif
o.worldPos = worldPos;
o.worldNormal = worldNormal;
#ifdef DYNAMICLIGHTMAP_ON
o.lmap.zw = v.texcoord2.xy * unity_DynamicLightmapST.xy + unity_DynamicLightmapST.zw;
#endif
#ifdef LIGHTMAP_ON
o.lmap.xy = v.texcoord1.xy * unity_LightmapST.xy + unity_LightmapST.zw;
#endif
// SH/ambient and vertex lights
#ifndef LIGHTMAP_ON
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
o.sh = 0;
// Approximated illumination from non-important point lights
#ifdef VERTEXLIGHT_ON
o.sh += Shade4PointLights (
unity_4LightPosX0, unity_4LightPosY0, unity_4LightPosZ0,
unity_LightColor[0].rgb, unity_LightColor[1].rgb, unity_LightColor[2].rgb, unity_LightColor[3].rgb,
unity_4LightAtten0, worldPos, worldNormal);
#endif
o.sh = ShadeSHPerVertex (worldNormal, o.sh);
#endif
#endif // !LIGHTMAP_ON
UNITY_TRANSFER_SHADOW(o,v.texcoord1.xy); // pass shadow coordinates to pixel shader
UNITY_TRANSFER_FOG(o,o.pos); // pass fog coordinates to pixel shader
return o;
}
// fragment shader
fixed4 frag_surf (v2f_surf IN) : SV_Target {
UNITY_SETUP_INSTANCE_ID(IN);
// prepare and unpack data
Input surfIN;
UNITY_INITIALIZE_OUTPUT(Input,surfIN);
surfIN.uv_MainTex.x = 1.0;
surfIN.uv_MainTex = IN.pack0.xy;
float3 worldPos = IN.worldPos;
#ifndef USING_DIRECTIONAL_LIGHT
fixed3 lightDir = normalize(UnityWorldSpaceLightDir(worldPos));
#else
fixed3 lightDir = _WorldSpaceLightPos0.xyz;
#endif
float3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
#ifdef UNITY_COMPILER_HLSL
SurfaceOutputStandard o = (SurfaceOutputStandard)0;
#else
SurfaceOutputStandard o;
#endif
o.Albedo = 0.0;
o.Emission = 0.0;
o.Alpha = 0.0;
o.Occlusion = 1.0;
fixed3 normalWorldVertex = fixed3(0,0,1);
o.Normal = IN.worldNormal;
normalWorldVertex = IN.worldNormal;
// call surface function
surf (surfIN, o);
// compute lighting & shadowing factor
UNITY_LIGHT_ATTENUATION(atten, IN, worldPos)
fixed4 c = 0;
// Setup lighting environment
UnityGI gi;
UNITY_INITIALIZE_OUTPUT(UnityGI, gi);
gi.indirect.diffuse = 0;
gi.indirect.specular = 0;
gi.light.color = _LightColor0.rgb;
gi.light.dir = lightDir;
// Call GI (lightmaps/SH/reflections) lighting function
UnityGIInput giInput;
UNITY_INITIALIZE_OUTPUT(UnityGIInput, giInput);
giInput.light = gi.light;
giInput.worldPos = worldPos;
giInput.worldViewDir = worldViewDir;
giInput.atten = atten;
#if defined(LIGHTMAP_ON) || defined(DYNAMICLIGHTMAP_ON)
giInput.lightmapUV = IN.lmap;
#else
giInput.lightmapUV = 0.0;
#endif
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
giInput.ambient = IN.sh;
#else
giInput.ambient.rgb = 0.0;
#endif
giInput.probeHDR[0] = unity_SpecCube0_HDR;
giInput.probeHDR[1] = unity_SpecCube1_HDR;
#if defined(UNITY_SPECCUBE_BLENDING) || defined(UNITY_SPECCUBE_BOX_PROJECTION)
giInput.boxMin[0] = unity_SpecCube0_BoxMin; // .w holds lerp value for blending
#endif
#ifdef UNITY_SPECCUBE_BOX_PROJECTION
giInput.boxMax[0] = unity_SpecCube0_BoxMax;
giInput.probePosition[0] = unity_SpecCube0_ProbePosition;
giInput.boxMax[1] = unity_SpecCube1_BoxMax;
giInput.boxMin[1] = unity_SpecCube1_BoxMin;
giInput.probePosition[1] = unity_SpecCube1_ProbePosition;
#endif
LightingStandard_GI(o, giInput, gi);
// realtime lighting: call lighting function
c += LightingStandard (o, worldViewDir, gi);
UNITY_APPLY_FOG(IN.fogCoord, c); // apply fog
UNITY_OPAQUE_ALPHA(c.a);
return c;
}
#endif
// -------- variant for: INSTANCING_ON
#if defined(INSTANCING_ON)
// Surface shader code generated based on:
// writes to per-pixel normal: no
// writes to emission: no
// writes to occlusion: no
// needs world space reflection vector: no
// needs world space normal vector: no
// needs screen space position: no
// needs world space position: no
// needs view direction: no
// needs world space view direction: no
// needs world space position for lighting: YES
// needs world space view direction for lighting: YES
// needs world space view direction for lightmaps: no
// needs vertex color: no
// needs VFACE: no
// passes tangent-to-world matrix to pixel shader: no
// reads from normal: no
// 1 texcoords actually used
// float2 _MainTex
#define UNITY_PASS_FORWARDBASE
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "UnityPBSLighting.cginc"
#include "AutoLight.cginc"
#define INTERNAL_DATA
#define WorldReflectionVector(data,normal) data.worldRefl
#define WorldNormalVector(data,normal) normal
// Original surface shader snippet:
#line 10 ""
#ifdef DUMMY_PREPROCESSOR_TO_WORK_AROUND_HLSL_COMPILER_LINE_HANDLING
#endif
/* UNITY: Original start of shader */
// Physically based Standard lighting model, and enable shadows on all light types
// 基于物理的光照模型Standard 以及 全局阴影(投射阴影）
//#pragma surface surf Standard fullforwardshadows
// Use shader model 3.0 target, to get nicer looking lighting
//#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
half _Glossiness;
half _Metallic;
fixed4 _Color;
// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
// //#pragma instancing_options assumeuniformscaling
UNITY_INSTANCING_BUFFER_START(Props)
// put more per-instance properties here
UNITY_INSTANCING_BUFFER_END(Props)
void surf (Input IN, inout SurfaceOutputStandard o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color; //采样主纹理颜色 混合 自定义颜色值
o.Albedo = c.rgb; //反射率RGB输出
// Metallic and smoothness come from slider variables
o.Metallic = _Metallic; //金属值输出
o.Smoothness = _Glossiness; //反射值输出
o.Alpha = c.a; //Alpha值输出
}
// vertex-to-fragment interpolation data
// no lightmaps:
#ifndef LIGHTMAP_ON
struct v2f_surf {
UNITY_POSITION(pos);
float2 pack0 : TEXCOORD0; // _MainTex
float3 worldNormal : TEXCOORD1;
float3 worldPos : TEXCOORD2;
#if UNITY_SHOULD_SAMPLE_SH
half3 sh : TEXCOORD3; // SH
#endif
UNITY_SHADOW_COORDS(4)
UNITY_FOG_COORDS(5)
#if SHADER_TARGET >= 30
float4 lmap : TEXCOORD6;
#endif
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
#endif
// with lightmaps:
#ifdef LIGHTMAP_ON
struct v2f_surf {
UNITY_POSITION(pos);
float2 pack0 : TEXCOORD0; // _MainTex
float3 worldNormal : TEXCOORD1;
float3 worldPos : TEXCOORD2;
float4 lmap : TEXCOORD3;
UNITY_SHADOW_COORDS(4)
UNITY_FOG_COORDS(5)
#ifdef DIRLIGHTMAP_COMBINED
float3 tSpace0 : TEXCOORD6;
float3 tSpace1 : TEXCOORD7;
float3 tSpace2 : TEXCOORD8;
#endif
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
#endif
float4 _MainTex_ST;
// vertex shader
v2f_surf vert_surf (appdata_full v) {
UNITY_SETUP_INSTANCE_ID(v);
v2f_surf o;
UNITY_INITIALIZE_OUTPUT(v2f_surf,o);
UNITY_TRANSFER_INSTANCE_ID(v,o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
o.pos = UnityObjectToClipPos(v.vertex);
o.pack0.xy = TRANSFORM_TEX(v.texcoord, _MainTex);
float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
float3 worldNormal = UnityObjectToWorldNormal(v.normal);
#if defined(LIGHTMAP_ON) && defined(DIRLIGHTMAP_COMBINED)
fixed3 worldTangent = UnityObjectToWorldDir(v.tangent.xyz);
fixed tangentSign = v.tangent.w * unity_WorldTransformParams.w;
fixed3 worldBinormal = cross(worldNormal, worldTangent) * tangentSign;
#endif
#if defined(LIGHTMAP_ON) && defined(DIRLIGHTMAP_COMBINED)
o.tSpace0 = float4(worldTangent.x, worldBinormal.x, worldNormal.x, worldPos.x);
o.tSpace1 = float4(worldTangent.y, worldBinormal.y, worldNormal.y, worldPos.y);
o.tSpace2 = float4(worldTangent.z, worldBinormal.z, worldNormal.z, worldPos.z);
#endif
o.worldPos = worldPos;
o.worldNormal = worldNormal;
#ifdef DYNAMICLIGHTMAP_ON
o.lmap.zw = v.texcoord2.xy * unity_DynamicLightmapST.xy + unity_DynamicLightmapST.zw;
#endif
#ifdef LIGHTMAP_ON
o.lmap.xy = v.texcoord1.xy * unity_LightmapST.xy + unity_LightmapST.zw;
#endif
// SH/ambient and vertex lights
#ifndef LIGHTMAP_ON
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
o.sh = 0;
// Approximated illumination from non-important point lights
#ifdef VERTEXLIGHT_ON
o.sh += Shade4PointLights (
unity_4LightPosX0, unity_4LightPosY0, unity_4LightPosZ0,
unity_LightColor[0].rgb, unity_LightColor[1].rgb, unity_LightColor[2].rgb, unity_LightColor[3].rgb,
unity_4LightAtten0, worldPos, worldNormal);
#endif
o.sh = ShadeSHPerVertex (worldNormal, o.sh);
#endif
#endif // !LIGHTMAP_ON
UNITY_TRANSFER_SHADOW(o,v.texcoord1.xy); // pass shadow coordinates to pixel shader
UNITY_TRANSFER_FOG(o,o.pos); // pass fog coordinates to pixel shader
return o;
}
// fragment shader
fixed4 frag_surf (v2f_surf IN) : SV_Target {
UNITY_SETUP_INSTANCE_ID(IN);
// prepare and unpack data
Input surfIN;
UNITY_INITIALIZE_OUTPUT(Input,surfIN);
surfIN.uv_MainTex.x = 1.0;
surfIN.uv_MainTex = IN.pack0.xy;
float3 worldPos = IN.worldPos;
#ifndef USING_DIRECTIONAL_LIGHT
fixed3 lightDir = normalize(UnityWorldSpaceLightDir(worldPos));
#else
fixed3 lightDir = _WorldSpaceLightPos0.xyz;
#endif
float3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
#ifdef UNITY_COMPILER_HLSL
SurfaceOutputStandard o = (SurfaceOutputStandard)0;
#else
SurfaceOutputStandard o;
#endif
o.Albedo = 0.0;
o.Emission = 0.0;
o.Alpha = 0.0;
o.Occlusion = 1.0;
fixed3 normalWorldVertex = fixed3(0,0,1);
o.Normal = IN.worldNormal;
normalWorldVertex = IN.worldNormal;
// call surface function
surf (surfIN, o);
// compute lighting & shadowing factor
UNITY_LIGHT_ATTENUATION(atten, IN, worldPos)
fixed4 c = 0;
// Setup lighting environment
UnityGI gi;
UNITY_INITIALIZE_OUTPUT(UnityGI, gi);
gi.indirect.diffuse = 0;
gi.indirect.specular = 0;
gi.light.color = _LightColor0.rgb;
gi.light.dir = lightDir;
// Call GI (lightmaps/SH/reflections) lighting function
UnityGIInput giInput;
UNITY_INITIALIZE_OUTPUT(UnityGIInput, giInput);
giInput.light = gi.light;
giInput.worldPos = worldPos;
giInput.worldViewDir = worldViewDir;
giInput.atten = atten;
#if defined(LIGHTMAP_ON) || defined(DYNAMICLIGHTMAP_ON)
giInput.lightmapUV = IN.lmap;
#else
giInput.lightmapUV = 0.0;
#endif
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
giInput.ambient = IN.sh;
#else
giInput.ambient.rgb = 0.0;
#endif
giInput.probeHDR[0] = unity_SpecCube0_HDR;
giInput.probeHDR[1] = unity_SpecCube1_HDR;
#if defined(UNITY_SPECCUBE_BLENDING) || defined(UNITY_SPECCUBE_BOX_PROJECTION)
giInput.boxMin[0] = unity_SpecCube0_BoxMin; // .w holds lerp value for blending
#endif
#ifdef UNITY_SPECCUBE_BOX_PROJECTION
giInput.boxMax[0] = unity_SpecCube0_BoxMax;
giInput.probePosition[0] = unity_SpecCube0_ProbePosition;
giInput.boxMax[1] = unity_SpecCube1_BoxMax;
giInput.boxMin[1] = unity_SpecCube1_BoxMin;
giInput.probePosition[1] = unity_SpecCube1_ProbePosition;
#endif
LightingStandard_GI(o, giInput, gi);
// realtime lighting: call lighting function
c += LightingStandard (o, worldViewDir, gi);
UNITY_APPLY_FOG(IN.fogCoord, c); // apply fog
UNITY_OPAQUE_ALPHA(c.a);
return c;
}
#endif
ENDCG
}
// ---- forward rendering additive lights pass:
Pass {
Name "FORWARD"
Tags { "LightMode" = "ForwardAdd" }
ZWrite Off Blend One One
CGPROGRAM
// compile directives
#pragma vertex vert_surf
#pragma fragment frag_surf
#pragma target 3.0
#pragma multi_compile_instancing
#pragma multi_compile_fog
#pragma skip_variants INSTANCING_ON
#pragma multi_compile_fwdadd_fullshadows
#include "HLSLSupport.cginc"
#include "UnityShaderVariables.cginc"
#include "UnityShaderUtilities.cginc"
// -------- variant for: <when no other keywords are defined>
#if !defined(INSTANCING_ON)
// Surface shader code generated based on:
// writes to per-pixel normal: no
// writes to emission: no
// writes to occlusion: no
// needs world space reflection vector: no
// needs world space normal vector: no
// needs screen space position: no
// needs world space position: no
// needs view direction: no
// needs world space view direction: no
// needs world space position for lighting: YES
// needs world space view direction for lighting: YES
// needs world space view direction for lightmaps: no
// needs vertex color: no
// needs VFACE: no
// passes tangent-to-world matrix to pixel shader: no
// reads from normal: no
// 1 texcoords actually used
// float2 _MainTex
#define UNITY_PASS_FORWARDADD
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "UnityPBSLighting.cginc"
#include "AutoLight.cginc"
#define INTERNAL_DATA
#define WorldReflectionVector(data,normal) data.worldRefl
#define WorldNormalVector(data,normal) normal
// Original surface shader snippet:
#line 10 ""
#ifdef DUMMY_PREPROCESSOR_TO_WORK_AROUND_HLSL_COMPILER_LINE_HANDLING
#endif
/* UNITY: Original start of shader */
// Physically based Standard lighting model, and enable shadows on all light types
// 基于物理的光照模型Standard 以及 全局阴影(投射阴影）
//#pragma surface surf Standard fullforwardshadows
// Use shader model 3.0 target, to get nicer looking lighting
//#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
half _Glossiness;
half _Metallic;
fixed4 _Color;
// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
// //#pragma instancing_options assumeuniformscaling
UNITY_INSTANCING_BUFFER_START(Props)
// put more per-instance properties here
UNITY_INSTANCING_BUFFER_END(Props)
void surf (Input IN, inout SurfaceOutputStandard o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color; //采样主纹理颜色 混合 自定义颜色值
o.Albedo = c.rgb; //反射率RGB输出
// Metallic and smoothness come from slider variables
o.Metallic = _Metallic; //金属值输出
o.Smoothness = _Glossiness; //反射值输出
o.Alpha = c.a; //Alpha值输出
}
// vertex-to-fragment interpolation data
struct v2f_surf {
UNITY_POSITION(pos);
float2 pack0 : TEXCOORD0; // _MainTex
float3 worldNormal : TEXCOORD1;
float3 worldPos : TEXCOORD2;
UNITY_SHADOW_COORDS(3)
UNITY_FOG_COORDS(4)
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
float4 _MainTex_ST;
// vertex shader
v2f_surf vert_surf (appdata_full v) {
UNITY_SETUP_INSTANCE_ID(v);
v2f_surf o;
UNITY_INITIALIZE_OUTPUT(v2f_surf,o);
UNITY_TRANSFER_INSTANCE_ID(v,o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
o.pos = UnityObjectToClipPos(v.vertex);
o.pack0.xy = TRANSFORM_TEX(v.texcoord, _MainTex);
float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
float3 worldNormal = UnityObjectToWorldNormal(v.normal);
o.worldPos = worldPos;
o.worldNormal = worldNormal;
UNITY_TRANSFER_SHADOW(o,v.texcoord1.xy); // pass shadow coordinates to pixel shader
UNITY_TRANSFER_FOG(o,o.pos); // pass fog coordinates to pixel shader
return o;
}
// fragment shader
fixed4 frag_surf (v2f_surf IN) : SV_Target {
UNITY_SETUP_INSTANCE_ID(IN);
// prepare and unpack data
Input surfIN;
UNITY_INITIALIZE_OUTPUT(Input,surfIN);
surfIN.uv_MainTex.x = 1.0;
surfIN.uv_MainTex = IN.pack0.xy;
float3 worldPos = IN.worldPos;
#ifndef USING_DIRECTIONAL_LIGHT
fixed3 lightDir = normalize(UnityWorldSpaceLightDir(worldPos));
#else
fixed3 lightDir = _WorldSpaceLightPos0.xyz;
#endif
float3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
#ifdef UNITY_COMPILER_HLSL
SurfaceOutputStandard o = (SurfaceOutputStandard)0;
#else
SurfaceOutputStandard o;
#endif
o.Albedo = 0.0;
o.Emission = 0.0;
o.Alpha = 0.0;
o.Occlusion = 1.0;
fixed3 normalWorldVertex = fixed3(0,0,1);
o.Normal = IN.worldNormal;
normalWorldVertex = IN.worldNormal;
// call surface function
surf (surfIN, o);
UNITY_LIGHT_ATTENUATION(atten, IN, worldPos)
fixed4 c = 0;
// Setup lighting environment
UnityGI gi;
UNITY_INITIALIZE_OUTPUT(UnityGI, gi);
gi.indirect.diffuse = 0;
gi.indirect.specular = 0;
gi.light.color = _LightColor0.rgb;
gi.light.dir = lightDir;
gi.light.color *= atten;
c += LightingStandard (o, worldViewDir, gi);
c.a = 0.0;
UNITY_APPLY_FOG(IN.fogCoord, c); // apply fog
UNITY_OPAQUE_ALPHA(c.a);
return c;
}
#endif
ENDCG
}
// ---- deferred shading pass:
Pass {
Name "DEFERRED"
Tags { "LightMode" = "Deferred" }
CGPROGRAM
// compile directives
#pragma vertex vert_surf
#pragma fragment frag_surf
#pragma target 3.0
#pragma multi_compile_instancing
#pragma exclude_renderers nomrt
#pragma skip_variants FOG_LINEAR FOG_EXP FOG_EXP2
#pragma multi_compile_prepassfinal
#include "HLSLSupport.cginc"
#include "UnityShaderVariables.cginc"
#include "UnityShaderUtilities.cginc"
// -------- variant for: <when no other keywords are defined>
#if !defined(INSTANCING_ON)
// Surface shader code generated based on:
// writes to per-pixel normal: no
// writes to emission: no
// writes to occlusion: no
// needs world space reflection vector: no
// needs world space normal vector: no
// needs screen space position: no
// needs world space position: no
// needs view direction: no
// needs world space view direction: no
// needs world space position for lighting: YES
// needs world space view direction for lighting: YES
// needs world space view direction for lightmaps: no
// needs vertex color: no
// needs VFACE: no
// passes tangent-to-world matrix to pixel shader: no
// reads from normal: YES
// 1 texcoords actually used
// float2 _MainTex
#define UNITY_PASS_DEFERRED
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "UnityPBSLighting.cginc"
#define INTERNAL_DATA
#define WorldReflectionVector(data,normal) data.worldRefl
#define WorldNormalVector(data,normal) normal
// Original surface shader snippet:
#line 10 ""
#ifdef DUMMY_PREPROCESSOR_TO_WORK_AROUND_HLSL_COMPILER_LINE_HANDLING
#endif
/* UNITY: Original start of shader */
// Physically based Standard lighting model, and enable shadows on all light types
// 基于物理的光照模型Standard 以及 全局阴影(投射阴影）
//#pragma surface surf Standard fullforwardshadows
// Use shader model 3.0 target, to get nicer looking lighting
//#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
half _Glossiness;
half _Metallic;
fixed4 _Color;
// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
// //#pragma instancing_options assumeuniformscaling
UNITY_INSTANCING_BUFFER_START(Props)
// put more per-instance properties here
UNITY_INSTANCING_BUFFER_END(Props)
void surf (Input IN, inout SurfaceOutputStandard o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color; //采样主纹理颜色 混合 自定义颜色值
o.Albedo = c.rgb; //反射率RGB输出
// Metallic and smoothness come from slider variables
o.Metallic = _Metallic; //金属值输出
o.Smoothness = _Glossiness; //反射值输出
o.Alpha = c.a; //Alpha值输出
}
// vertex-to-fragment interpolation data
struct v2f_surf {
UNITY_POSITION(pos);
float2 pack0 : TEXCOORD0; // _MainTex
float3 worldNormal : TEXCOORD1;
float3 worldPos : TEXCOORD2;
#ifndef DIRLIGHTMAP_OFF
half3 viewDir : TEXCOORD3;
#endif
float4 lmap : TEXCOORD4;
#ifndef LIGHTMAP_ON
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
half3 sh : TEXCOORD5; // SH
#endif
#else
#ifdef DIRLIGHTMAP_OFF
float4 lmapFadePos : TEXCOORD5;
#endif
#endif
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
float4 _MainTex_ST;
// vertex shader
v2f_surf vert_surf (appdata_full v) {
UNITY_SETUP_INSTANCE_ID(v);
v2f_surf o;
UNITY_INITIALIZE_OUTPUT(v2f_surf,o);
UNITY_TRANSFER_INSTANCE_ID(v,o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
o.pos = UnityObjectToClipPos(v.vertex);
o.pack0.xy = TRANSFORM_TEX(v.texcoord, _MainTex);
float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
float3 worldNormal = UnityObjectToWorldNormal(v.normal);
o.worldPos = worldPos;
o.worldNormal = worldNormal;
float3 viewDirForLight = UnityWorldSpaceViewDir(worldPos);
#ifndef DIRLIGHTMAP_OFF
o.viewDir = viewDirForLight;
#endif
#ifdef DYNAMICLIGHTMAP_ON
o.lmap.zw = v.texcoord2.xy * unity_DynamicLightmapST.xy + unity_DynamicLightmapST.zw;
#else
o.lmap.zw = 0;
#endif
#ifdef LIGHTMAP_ON
o.lmap.xy = v.texcoord1.xy * unity_LightmapST.xy + unity_LightmapST.zw;
#ifdef DIRLIGHTMAP_OFF
o.lmapFadePos.xyz = (mul(unity_ObjectToWorld, v.vertex).xyz - unity_ShadowFadeCenterAndType.xyz) * unity_ShadowFadeCenterAndType.w;
o.lmapFadePos.w = (-UnityObjectToViewPos(v.vertex).z) * (1.0 - unity_ShadowFadeCenterAndType.w);
#endif
#else
o.lmap.xy = 0;
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
o.sh = 0;
o.sh = ShadeSHPerVertex (worldNormal, o.sh);
#endif
#endif
return o;
}
#ifdef LIGHTMAP_ON
float4 unity_LightmapFade;
#endif
fixed4 unity_Ambient;
// fragment shader
void frag_surf (v2f_surf IN,
out half4 outGBuffer0 : SV_Target0,
out half4 outGBuffer1 : SV_Target1,
out half4 outGBuffer2 : SV_Target2,
out half4 outEmission : SV_Target3
#if defined(SHADOWS_SHADOWMASK) && (UNITY_ALLOWED_MRT_COUNT > 4)
, out half4 outShadowMask : SV_Target4
#endif
) {
UNITY_SETUP_INSTANCE_ID(IN);
// prepare and unpack data
Input surfIN;
UNITY_INITIALIZE_OUTPUT(Input,surfIN);
surfIN.uv_MainTex.x = 1.0;
surfIN.uv_MainTex = IN.pack0.xy;
float3 worldPos = IN.worldPos;
#ifndef USING_DIRECTIONAL_LIGHT
fixed3 lightDir = normalize(UnityWorldSpaceLightDir(worldPos));
#else
fixed3 lightDir = _WorldSpaceLightPos0.xyz;
#endif
float3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
#ifdef UNITY_COMPILER_HLSL
SurfaceOutputStandard o = (SurfaceOutputStandard)0;
#else
SurfaceOutputStandard o;
#endif
o.Albedo = 0.0;
o.Emission = 0.0;
o.Alpha = 0.0;
o.Occlusion = 1.0;
fixed3 normalWorldVertex = fixed3(0,0,1);
o.Normal = IN.worldNormal;
normalWorldVertex = IN.worldNormal;
// call surface function
surf (surfIN, o);
fixed3 originalNormal = o.Normal;
half atten = 1;
// Setup lighting environment
UnityGI gi;
UNITY_INITIALIZE_OUTPUT(UnityGI, gi);
gi.indirect.diffuse = 0;
gi.indirect.specular = 0;
gi.light.color = 0;
gi.light.dir = half3(0,1,0);
// Call GI (lightmaps/SH/reflections) lighting function
UnityGIInput giInput;
UNITY_INITIALIZE_OUTPUT(UnityGIInput, giInput);
giInput.light = gi.light;
giInput.worldPos = worldPos;
giInput.worldViewDir = worldViewDir;
giInput.atten = atten;
#if defined(LIGHTMAP_ON) || defined(DYNAMICLIGHTMAP_ON)
giInput.lightmapUV = IN.lmap;
#else
giInput.lightmapUV = 0.0;
#endif
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
giInput.ambient = IN.sh;
#else
giInput.ambient.rgb = 0.0;
#endif
giInput.probeHDR[0] = unity_SpecCube0_HDR;
giInput.probeHDR[1] = unity_SpecCube1_HDR;
#if defined(UNITY_SPECCUBE_BLENDING) || defined(UNITY_SPECCUBE_BOX_PROJECTION)
giInput.boxMin[0] = unity_SpecCube0_BoxMin; // .w holds lerp value for blending
#endif
#ifdef UNITY_SPECCUBE_BOX_PROJECTION
giInput.boxMax[0] = unity_SpecCube0_BoxMax;
giInput.probePosition[0] = unity_SpecCube0_ProbePosition;
giInput.boxMax[1] = unity_SpecCube1_BoxMax;
giInput.boxMin[1] = unity_SpecCube1_BoxMin;
giInput.probePosition[1] = unity_SpecCube1_ProbePosition;
#endif
LightingStandard_GI(o, giInput, gi);
// call lighting function to output g-buffer
outEmission = LightingStandard_Deferred (o, worldViewDir, gi, outGBuffer0, outGBuffer1, outGBuffer2);
#if defined(SHADOWS_SHADOWMASK) && (UNITY_ALLOWED_MRT_COUNT > 4)
outShadowMask = UnityGetRawBakedOcclusions (IN.lmap.xy, float3(0, 0, 0));
#endif
#ifndef UNITY_HDR_ON
outEmission.rgb = exp2(-outEmission.rgb);
#endif
}
#endif
// -------- variant for: INSTANCING_ON
#if defined(INSTANCING_ON)
// Surface shader code generated based on:
// writes to per-pixel normal: no
// writes to emission: no
// writes to occlusion: no
// needs world space reflection vector: no
// needs world space normal vector: no
// needs screen space position: no
// needs world space position: no
// needs view direction: no
// needs world space view direction: no
// needs world space position for lighting: YES
// needs world space view direction for lighting: YES
// needs world space view direction for lightmaps: no
// needs vertex color: no
// needs VFACE: no
// passes tangent-to-world matrix to pixel shader: no
// reads from normal: YES
// 1 texcoords actually used
// float2 _MainTex
#define UNITY_PASS_DEFERRED
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "UnityPBSLighting.cginc"
#define INTERNAL_DATA
#define WorldReflectionVector(data,normal) data.worldRefl
#define WorldNormalVector(data,normal) normal
// Original surface shader snippet:
#line 10 ""
#ifdef DUMMY_PREPROCESSOR_TO_WORK_AROUND_HLSL_COMPILER_LINE_HANDLING
#endif
/* UNITY: Original start of shader */
// Physically based Standard lighting model, and enable shadows on all light types
// 基于物理的光照模型Standard 以及 全局阴影(投射阴影）
//#pragma surface surf Standard fullforwardshadows
// Use shader model 3.0 target, to get nicer looking lighting
//#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
half _Glossiness;
half _Metallic;
fixed4 _Color;
// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
// //#pragma instancing_options assumeuniformscaling
UNITY_INSTANCING_BUFFER_START(Props)
// put more per-instance properties here
UNITY_INSTANCING_BUFFER_END(Props)
void surf (Input IN, inout SurfaceOutputStandard o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color; //采样主纹理颜色 混合 自定义颜色值
o.Albedo = c.rgb; //反射率RGB输出
// Metallic and smoothness come from slider variables
o.Metallic = _Metallic; //金属值输出
o.Smoothness = _Glossiness; //反射值输出
o.Alpha = c.a; //Alpha值输出
}
// vertex-to-fragment interpolation data
struct v2f_surf {
UNITY_POSITION(pos);
float2 pack0 : TEXCOORD0; // _MainTex
float3 worldNormal : TEXCOORD1;
float3 worldPos : TEXCOORD2;
#ifndef DIRLIGHTMAP_OFF
half3 viewDir : TEXCOORD3;
#endif
float4 lmap : TEXCOORD4;
#ifndef LIGHTMAP_ON
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
half3 sh : TEXCOORD5; // SH
#endif
#else
#ifdef DIRLIGHTMAP_OFF
float4 lmapFadePos : TEXCOORD5;
#endif
#endif
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
float4 _MainTex_ST;
// vertex shader
v2f_surf vert_surf (appdata_full v) {
UNITY_SETUP_INSTANCE_ID(v);
v2f_surf o;
UNITY_INITIALIZE_OUTPUT(v2f_surf,o);
UNITY_TRANSFER_INSTANCE_ID(v,o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
o.pos = UnityObjectToClipPos(v.vertex);
o.pack0.xy = TRANSFORM_TEX(v.texcoord, _MainTex);
float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
float3 worldNormal = UnityObjectToWorldNormal(v.normal);
o.worldPos = worldPos;
o.worldNormal = worldNormal;
float3 viewDirForLight = UnityWorldSpaceViewDir(worldPos);
#ifndef DIRLIGHTMAP_OFF
o.viewDir = viewDirForLight;
#endif
#ifdef DYNAMICLIGHTMAP_ON
o.lmap.zw = v.texcoord2.xy * unity_DynamicLightmapST.xy + unity_DynamicLightmapST.zw;
#else
o.lmap.zw = 0;
#endif
#ifdef LIGHTMAP_ON
o.lmap.xy = v.texcoord1.xy * unity_LightmapST.xy + unity_LightmapST.zw;
#ifdef DIRLIGHTMAP_OFF
o.lmapFadePos.xyz = (mul(unity_ObjectToWorld, v.vertex).xyz - unity_ShadowFadeCenterAndType.xyz) * unity_ShadowFadeCenterAndType.w;
o.lmapFadePos.w = (-UnityObjectToViewPos(v.vertex).z) * (1.0 - unity_ShadowFadeCenterAndType.w);
#endif
#else
o.lmap.xy = 0;
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
o.sh = 0;
o.sh = ShadeSHPerVertex (worldNormal, o.sh);
#endif
#endif
return o;
}
#ifdef LIGHTMAP_ON
float4 unity_LightmapFade;
#endif
fixed4 unity_Ambient;
// fragment shader
void frag_surf (v2f_surf IN,
out half4 outGBuffer0 : SV_Target0,
out half4 outGBuffer1 : SV_Target1,
out half4 outGBuffer2 : SV_Target2,
out half4 outEmission : SV_Target3
#if defined(SHADOWS_SHADOWMASK) && (UNITY_ALLOWED_MRT_COUNT > 4)
, out half4 outShadowMask : SV_Target4
#endif
) {
UNITY_SETUP_INSTANCE_ID(IN);
// prepare and unpack data
Input surfIN;
UNITY_INITIALIZE_OUTPUT(Input,surfIN);
surfIN.uv_MainTex.x = 1.0;
surfIN.uv_MainTex = IN.pack0.xy;
float3 worldPos = IN.worldPos;
#ifndef USING_DIRECTIONAL_LIGHT
fixed3 lightDir = normalize(UnityWorldSpaceLightDir(worldPos));
#else
fixed3 lightDir = _WorldSpaceLightPos0.xyz;
#endif
float3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
#ifdef UNITY_COMPILER_HLSL
SurfaceOutputStandard o = (SurfaceOutputStandard)0;
#else
SurfaceOutputStandard o;
#endif
o.Albedo = 0.0;
o.Emission = 0.0;
o.Alpha = 0.0;
o.Occlusion = 1.0;
fixed3 normalWorldVertex = fixed3(0,0,1);
o.Normal = IN.worldNormal;
normalWorldVertex = IN.worldNormal;
// call surface function
surf (surfIN, o);
fixed3 originalNormal = o.Normal;
half atten = 1;
// Setup lighting environment
UnityGI gi;
UNITY_INITIALIZE_OUTPUT(UnityGI, gi);
gi.indirect.diffuse = 0;
gi.indirect.specular = 0;
gi.light.color = 0;
gi.light.dir = half3(0,1,0);
// Call GI (lightmaps/SH/reflections) lighting function
UnityGIInput giInput;
UNITY_INITIALIZE_OUTPUT(UnityGIInput, giInput);
giInput.light = gi.light;
giInput.worldPos = worldPos;
giInput.worldViewDir = worldViewDir;
giInput.atten = atten;
#if defined(LIGHTMAP_ON) || defined(DYNAMICLIGHTMAP_ON)
giInput.lightmapUV = IN.lmap;
#else
giInput.lightmapUV = 0.0;
#endif
#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
giInput.ambient = IN.sh;
#else
giInput.ambient.rgb = 0.0;
#endif
giInput.probeHDR[0] = unity_SpecCube0_HDR;
giInput.probeHDR[1] = unity_SpecCube1_HDR;
#if defined(UNITY_SPECCUBE_BLENDING) || defined(UNITY_SPECCUBE_BOX_PROJECTION)
giInput.boxMin[0] = unity_SpecCube0_BoxMin; // .w holds lerp value for blending
#endif
#ifdef UNITY_SPECCUBE_BOX_PROJECTION
giInput.boxMax[0] = unity_SpecCube0_BoxMax;
giInput.probePosition[0] = unity_SpecCube0_ProbePosition;
giInput.boxMax[1] = unity_SpecCube1_BoxMax;
giInput.boxMin[1] = unity_SpecCube1_BoxMin;
giInput.probePosition[1] = unity_SpecCube1_ProbePosition;
#endif
LightingStandard_GI(o, giInput, gi);
// call lighting function to output g-buffer
outEmission = LightingStandard_Deferred (o, worldViewDir, gi, outGBuffer0, outGBuffer1, outGBuffer2);
#if defined(SHADOWS_SHADOWMASK) && (UNITY_ALLOWED_MRT_COUNT > 4)
outShadowMask = UnityGetRawBakedOcclusions (IN.lmap.xy, float3(0, 0, 0));
#endif
#ifndef UNITY_HDR_ON
outEmission.rgb = exp2(-outEmission.rgb);
#endif
}
#endif
ENDCG
}
// ---- meta information extraction pass:
Pass {
Name "Meta"
Tags { "LightMode" = "Meta" }
Cull Off
CGPROGRAM
// compile directives
#pragma vertex vert_surf
#pragma fragment frag_surf
#pragma target 3.0
#pragma multi_compile_instancing
#pragma skip_variants FOG_LINEAR FOG_EXP FOG_EXP2
#pragma skip_variants INSTANCING_ON
#pragma shader_feature EDITOR_VISUALIZATION
#include "HLSLSupport.cginc"
#include "UnityShaderVariables.cginc"
#include "UnityShaderUtilities.cginc"
// -------- variant for: <when no other keywords are defined>
#if !defined(INSTANCING_ON)
// Surface shader code generated based on:
// writes to per-pixel normal: no
// writes to emission: no
// writes to occlusion: no
// needs world space reflection vector: no
// needs world space normal vector: no
// needs screen space position: no
// needs world space position: no
// needs view direction: no
// needs world space view direction: no
// needs world space position for lighting: YES
// needs world space view direction for lighting: YES
// needs world space view direction for lightmaps: no
// needs vertex color: no
// needs VFACE: no
// passes tangent-to-world matrix to pixel shader: no
// reads from normal: no
// 1 texcoords actually used
// float2 _MainTex
#define UNITY_PASS_META
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "UnityPBSLighting.cginc"
#define INTERNAL_DATA
#define WorldReflectionVector(data,normal) data.worldRefl
#define WorldNormalVector(data,normal) normal
// Original surface shader snippet:
#line 10 ""
#ifdef DUMMY_PREPROCESSOR_TO_WORK_AROUND_HLSL_COMPILER_LINE_HANDLING
#endif
/* UNITY: Original start of shader */
// Physically based Standard lighting model, and enable shadows on all light types
// 基于物理的光照模型Standard 以及 全局阴影(投射阴影）
//#pragma surface surf Standard fullforwardshadows
// Use shader model 3.0 target, to get nicer looking lighting
//#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
half _Glossiness;
half _Metallic;
fixed4 _Color;
// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
// //#pragma instancing_options assumeuniformscaling
UNITY_INSTANCING_BUFFER_START(Props)
// put more per-instance properties here
UNITY_INSTANCING_BUFFER_END(Props)
void surf (Input IN, inout SurfaceOutputStandard o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color; //采样主纹理颜色 混合 自定义颜色值
o.Albedo = c.rgb; //反射率RGB输出
// Metallic and smoothness come from slider variables
o.Metallic = _Metallic; //金属值输出
o.Smoothness = _Glossiness; //反射值输出
o.Alpha = c.a; //Alpha值输出
}
#include "UnityMetaPass.cginc"
// vertex-to-fragment interpolation data
struct v2f_surf {
UNITY_POSITION(pos);
float2 pack0 : TEXCOORD0; // _MainTex
float3 worldPos : TEXCOORD1;
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
float4 _MainTex_ST;
// vertex shader
v2f_surf vert_surf (appdata_full v) {
UNITY_SETUP_INSTANCE_ID(v);
v2f_surf o;
UNITY_INITIALIZE_OUTPUT(v2f_surf,o);
UNITY_TRANSFER_INSTANCE_ID(v,o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
o.pos = UnityMetaVertexPosition(v.vertex, v.texcoord1.xy, v.texcoord2.xy, unity_LightmapST, unity_DynamicLightmapST);
o.pack0.xy = TRANSFORM_TEX(v.texcoord, _MainTex);
float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
float3 worldNormal = UnityObjectToWorldNormal(v.normal);
o.worldPos = worldPos;
return o;
}
// fragment shader
fixed4 frag_surf (v2f_surf IN) : SV_Target {
UNITY_SETUP_INSTANCE_ID(IN);
// prepare and unpack data
Input surfIN;
UNITY_INITIALIZE_OUTPUT(Input,surfIN);
surfIN.uv_MainTex.x = 1.0;
surfIN.uv_MainTex = IN.pack0.xy;
float3 worldPos = IN.worldPos;
#ifndef USING_DIRECTIONAL_LIGHT
fixed3 lightDir = normalize(UnityWorldSpaceLightDir(worldPos));
#else
fixed3 lightDir = _WorldSpaceLightPos0.xyz;
#endif
#ifdef UNITY_COMPILER_HLSL
SurfaceOutputStandard o = (SurfaceOutputStandard)0;
#else
SurfaceOutputStandard o;
#endif
o.Albedo = 0.0;
o.Emission = 0.0;
o.Alpha = 0.0;
o.Occlusion = 1.0;
fixed3 normalWorldVertex = fixed3(0,0,1);
// call surface function
surf (surfIN, o);
UnityMetaInput metaIN;
UNITY_INITIALIZE_OUTPUT(UnityMetaInput, metaIN);
metaIN.Albedo = o.Albedo;
metaIN.Emission = o.Emission;
return UnityMetaFragment(metaIN);
}
#endif
ENDCG
}
// ---- end of surface shader generated code
#LINE 46
}
FallBack "Diffuse" //若上述SubShader无法进行渲染，则使用Diffuse着色器进行渲染
}