Shader Graph第一个
Shader Forge还是正式在2018.3不能使用了。。。
无奈之下只能开始使用Shader Graph。
第一个效果：
Fresnel + HighLight 提示
关于Shader源码的查看，CopyShader菜单就可以了，然后在VS中粘贴。
代码如下：有很多LightWeight的引用，不能在非LWRP环境中使用。
Shader "Unlit Master"
{
Properties
{
}
SubShader
{
Tags{ "RenderPipeline" = "LightweightPipeline"}
Tags
{
"RenderPipeline"="HDRenderPipeline"
"RenderType"="Opaque"
"Queue"="Geometry+0"
}
Pass
{
Name "StandardUnlit"
Tags{"LightMode" = "LightweightForward"}
// Material options generated by graph
Blend One Zero
Cull Back
ZTest LEqual
ZWrite On
HLSLPROGRAM
// Required to compile gles 2.0 with standard srp library
#pragma prefer_hlslcc gles
#pragma exclude_renderers d3d11_9x
#pragma target 2.0
// -------------------------------------
// Lightweight Pipeline keywords
#pragma shader_feature _SAMPLE_GI
// -------------------------------------
// Unity defined keywords
#pragma multi_compile _ DIRLIGHTMAP_COMBINED
#pragma multi_compile _ LIGHTMAP_ON
#pragma multi_compile_fog
//--------------------------------------
// GPU Instancing
#pragma multi_compile_instancing
#pragma vertex vert
#pragma fragment frag
// Defines generated by graph
// Lighting include is needed because of GI
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/Core.hlsl"
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/Lighting.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/ShaderGraphFunctions.hlsl"
#include "Packages/com.unity.render-pipelines.lightweight/Shaders/UnlitInput.hlsl"
CBUFFER_START(UnityPerMaterial)
CBUFFER_END
struct VertexDescriptionInputs
{
float3 ObjectSpacePosition;
};
struct SurfaceDescriptionInputs
{
};
struct VertexDescription
{
float3 Position;
};
VertexDescription PopulateVertexData(VertexDescriptionInputs IN)
{
VertexDescription description = (VertexDescription)0;
description.Position = IN.ObjectSpacePosition;
return description;
}
struct SurfaceDescription
{
float3 Color;
float Alpha;
float AlphaClipThreshold;
};
SurfaceDescription PopulateSurfaceData(SurfaceDescriptionInputs IN)
{
SurfaceDescription surface = (SurfaceDescription)0;
surface.Color = IsGammaSpace() ? float3(1, 0.01415092, 0.01415092) : SRGBToLinear(float3(1, 0.01415092, 0.01415092));
surface.Alpha = 1;
surface.AlphaClipThreshold = 0;
return surface;
}
struct GraphVertexInput
{
float4 vertex : POSITION;
float3 normal : NORMAL;
float4 tangent : TANGENT;
float4 texcoord1 : TEXCOORD1;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct GraphVertexOutput
{
float4 position : POSITION;
// Interpolators defined by graph
float3 WorldSpacePosition : TEXCOORD3;
float3 WorldSpaceNormal : TEXCOORD4;
float3 WorldSpaceTangent : TEXCOORD5;
float3 WorldSpaceBiTangent : TEXCOORD6;
float3 WorldSpaceViewDirection : TEXCOORD7;
half4 uv1 : TEXCOORD8;
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
GraphVertexOutput vert (GraphVertexInput v)
{
GraphVertexOutput o = (GraphVertexOutput)0;
UNITY_SETUP_INSTANCE_ID(v);
UNITY_TRANSFER_INSTANCE_ID(v, o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
// Vertex transformations performed by graph
float3 WorldSpacePosition = mul(UNITY_MATRIX_M,v.vertex).xyz;
float3 WorldSpaceNormal = normalize(mul(v.normal,(float3x3)UNITY_MATRIX_I_M));
float3 WorldSpaceTangent = normalize(mul((float3x3)UNITY_MATRIX_M,v.tangent.xyz));
float3 WorldSpaceBiTangent = cross(WorldSpaceNormal, WorldSpaceTangent.xyz) * v.tangent.w;
float3 WorldSpaceViewDirection = _WorldSpaceCameraPos.xyz - mul(GetObjectToWorldMatrix(), float4(v.vertex.xyz, 1.0)).xyz;
float4 uv1 = v.texcoord1;
float3 ObjectSpacePosition = mul(UNITY_MATRIX_I_M,float4(WorldSpacePosition,1.0)).xyz;
VertexDescriptionInputs vdi = (VertexDescriptionInputs)0;
// Vertex description inputs defined by graph
vdi.ObjectSpacePosition = ObjectSpacePosition;
VertexDescription vd = PopulateVertexData(vdi);
v.vertex.xyz = vd.Position;
o.position = TransformObjectToHClip(v.vertex.xyz);
// Vertex shader outputs defined by graph
o.WorldSpacePosition = WorldSpacePosition;
o.WorldSpaceNormal = WorldSpaceNormal;
o.WorldSpaceTangent = WorldSpaceTangent;
o.WorldSpaceBiTangent = WorldSpaceBiTangent;
o.WorldSpaceViewDirection = WorldSpaceViewDirection;
o.uv1 = uv1;
return o;
}
half4 frag (GraphVertexOutput IN ) : SV_Target
{
UNITY_SETUP_INSTANCE_ID(IN);
// Pixel transformations performed by graph
float3 WorldSpacePosition = IN.WorldSpacePosition;
float3 WorldSpaceNormal = IN.WorldSpaceNormal;
float3 WorldSpaceTangent = IN.WorldSpaceTangent;
float3 WorldSpaceBiTangent = IN.WorldSpaceBiTangent;
float3 WorldSpaceViewDirection = IN.WorldSpaceViewDirection;
float4 uv1 = IN.uv1;
SurfaceDescriptionInputs surfaceInput = (SurfaceDescriptionInputs)0;
// Surface description inputs defined by graph
SurfaceDescription surf = PopulateSurfaceData(surfaceInput);
float3 Color = float3(0.5, 0.5, 0.5);
float Alpha = 1;
float AlphaClipThreshold = 0;
// Surface description remap performed by graph
Color = surf.Color;
Alpha = surf.Alpha;
AlphaClipThreshold = surf.AlphaClipThreshold;
#if _AlphaClip
clip(Alpha - AlphaClipThreshold);
#endif
#ifdef _ALPHAPREMULTIPLY_ON
Color *= Alpha;
#endif
return half4(Color, Alpha);
}
ENDHLSL
}
Pass
{
Name "ShadowCaster"
Tags{"LightMode" = "ShadowCaster"}
ZWrite On ZTest LEqual
// Material options generated by graph
Cull Back
HLSLPROGRAM
// Required to compile gles 2.0 with standard srp library
#pragma prefer_hlslcc gles
#pragma exclude_renderers d3d11_9x
#pragma target 2.0
//--------------------------------------
// GPU Instancing
#pragma multi_compile_instancing
#pragma vertex ShadowPassVertex
#pragma fragment ShadowPassFragment
// Defines generated by graph
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/Core.hlsl"
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/Lighting.hlsl"
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/ShaderGraphFunctions.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
CBUFFER_START(UnityPerMaterial)
CBUFFER_END
struct VertexDescriptionInputs
{
float3 ObjectSpacePosition;
};
struct SurfaceDescriptionInputs
{
};
struct VertexDescription
{
float3 Position;
};
VertexDescription PopulateVertexData(VertexDescriptionInputs IN)
{
VertexDescription description = (VertexDescription)0;
description.Position = IN.ObjectSpacePosition;
return description;
}
struct SurfaceDescription
{
float Alpha;
float AlphaClipThreshold;
};
SurfaceDescription PopulateSurfaceData(SurfaceDescriptionInputs IN)
{
SurfaceDescription surface = (SurfaceDescription)0;
surface.Alpha = 1;
surface.AlphaClipThreshold = 0;
return surface;
}
struct GraphVertexInput
{
float4 vertex : POSITION;
float3 normal : NORMAL;
float4 tangent : TANGENT;
float4 texcoord1 : TEXCOORD1;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct VertexOutput
{
float2 uv : TEXCOORD0;
float4 clipPos : SV_POSITION;
// Interpolators defined by graph
float3 WorldSpacePosition : TEXCOORD3;
float3 WorldSpaceNormal : TEXCOORD4;
float3 WorldSpaceTangent : TEXCOORD5;
float3 WorldSpaceBiTangent : TEXCOORD6;
float3 WorldSpaceViewDirection : TEXCOORD7;
half4 uv1 : TEXCOORD8;
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
// x: global clip space bias, y: normal world space bias
float4 _ShadowBias;
float3 _LightDirection;
VertexOutput ShadowPassVertex(GraphVertexInput v)
{
VertexOutput o;
UNITY_SETUP_INSTANCE_ID(v);
UNITY_TRANSFER_INSTANCE_ID(v, o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
// Vertex transformations performed by graph
float3 WorldSpacePosition = mul(UNITY_MATRIX_M,v.vertex).xyz;
float3 WorldSpaceNormal = normalize(mul(v.normal,(float3x3)UNITY_MATRIX_I_M));
float3 WorldSpaceTangent = normalize(mul((float3x3)UNITY_MATRIX_M,v.tangent.xyz));
float3 WorldSpaceBiTangent = cross(WorldSpaceNormal, WorldSpaceTangent.xyz) * v.tangent.w;
float3 WorldSpaceViewDirection = _WorldSpaceCameraPos.xyz - mul(GetObjectToWorldMatrix(), float4(v.vertex.xyz, 1.0)).xyz;
float4 uv1 = v.texcoord1;
float3 ObjectSpacePosition = mul(UNITY_MATRIX_I_M,float4(WorldSpacePosition,1.0)).xyz;
VertexDescriptionInputs vdi = (VertexDescriptionInputs)0;
// Vertex description inputs defined by graph
vdi.ObjectSpacePosition = ObjectSpacePosition;
VertexDescription vd = PopulateVertexData(vdi);
v.vertex.xyz = vd.Position;
// Vertex shader outputs defined by graph
o.WorldSpacePosition = WorldSpacePosition;
o.WorldSpaceNormal = WorldSpaceNormal;
o.WorldSpaceTangent = WorldSpaceTangent;
o.WorldSpaceBiTangent = WorldSpaceBiTangent;
o.WorldSpaceViewDirection = WorldSpaceViewDirection;
o.uv1 = uv1;
float3 positionWS = TransformObjectToWorld(v.vertex.xyz);
float3 normalWS = TransformObjectToWorldDir(v.normal);
float invNdotL = 1.0 - saturate(dot(_LightDirection, normalWS));
float scale = invNdotL * _ShadowBias.y;
// normal bias is negative since we want to apply an inset normal offset
positionWS = normalWS * scale.xxx + positionWS;
float4 clipPos = TransformWorldToHClip(positionWS);
// _ShadowBias.x sign depens on if platform has reversed z buffer
clipPos.z += _ShadowBias.x;
#if UNITY_REVERSED_Z
clipPos.z = min(clipPos.z, clipPos.w * UNITY_NEAR_CLIP_VALUE);
#else
clipPos.z = max(clipPos.z, clipPos.w * UNITY_NEAR_CLIP_VALUE);
#endif
o.clipPos = clipPos;
return o;
}
half4 ShadowPassFragment(VertexOutput IN ) : SV_TARGET
{
UNITY_SETUP_INSTANCE_ID(IN);
// Pixel transformations performed by graph
float3 WorldSpacePosition = IN.WorldSpacePosition;
float3 WorldSpaceNormal = IN.WorldSpaceNormal;
float3 WorldSpaceTangent = IN.WorldSpaceTangent;
float3 WorldSpaceBiTangent = IN.WorldSpaceBiTangent;
float3 WorldSpaceViewDirection = IN.WorldSpaceViewDirection;
float4 uv1 = IN.uv1;
SurfaceDescriptionInputs surfaceInput = (SurfaceDescriptionInputs)0;
// Surface description inputs defined by graph
SurfaceDescription surf = PopulateSurfaceData(surfaceInput);
float Alpha = 1;
float AlphaClipThreshold = 0;
// Surface description remap performed by graph
Alpha = surf.Alpha;
AlphaClipThreshold = surf.AlphaClipThreshold;
#if _AlphaClip
clip(Alpha - AlphaClipThreshold);
#endif
return 0;
}
ENDHLSL
}
Pass
{
Name "DepthOnly"
Tags{"LightMode" = "DepthOnly"}
ZWrite On
ColorMask 0
// Material options generated by graph
Cull Back
HLSLPROGRAM
// Required to compile gles 2.0 with standard srp library
#pragma prefer_hlslcc gles
#pragma exclude_renderers d3d11_9x
#pragma target 2.0
//--------------------------------------
// GPU Instancing
#pragma multi_compile_instancing
#pragma vertex vert
#pragma fragment frag
// Defines generated by graph
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/Core.hlsl"
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/Lighting.hlsl"
#include "Packages/com.unity.render-pipelines.lightweight/ShaderLibrary/ShaderGraphFunctions.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
CBUFFER_START(UnityPerMaterial)
CBUFFER_END
struct VertexDescriptionInputs
{
float3 ObjectSpacePosition;
};
struct SurfaceDescriptionInputs
{
};
struct VertexDescription
{
float3 Position;
};
VertexDescription PopulateVertexData(VertexDescriptionInputs IN)
{
VertexDescription description = (VertexDescription)0;
description.Position = IN.ObjectSpacePosition;
return description;
}
struct SurfaceDescription
{
float Alpha;
float AlphaClipThreshold;
};
SurfaceDescription PopulateSurfaceData(SurfaceDescriptionInputs IN)
{
SurfaceDescription surface = (SurfaceDescription)0;
surface.Alpha = 1;
surface.AlphaClipThreshold = 0;
return surface;
}
struct GraphVertexInput
{
float4 vertex : POSITION;
float3 normal : NORMAL;
float4 tangent : TANGENT;
float4 texcoord1 : TEXCOORD1;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct VertexOutput
{
float2 uv : TEXCOORD0;
float4 clipPos : SV_POSITION;
// Interpolators defined by graph
float3 WorldSpacePosition : TEXCOORD3;
float3 WorldSpaceNormal : TEXCOORD4;
float3 WorldSpaceTangent : TEXCOORD5;
float3 WorldSpaceBiTangent : TEXCOORD6;
float3 WorldSpaceViewDirection : TEXCOORD7;
half4 uv1 : TEXCOORD8;
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
VertexOutput vert(GraphVertexInput v)
{
VertexOutput o = (VertexOutput)0;
UNITY_SETUP_INSTANCE_ID(v);
UNITY_TRANSFER_INSTANCE_ID(v, o);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
// Vertex transformations performed by graph
float3 WorldSpacePosition = mul(UNITY_MATRIX_M,v.vertex).xyz;
float3 WorldSpaceNormal = normalize(mul(v.normal,(float3x3)UNITY_MATRIX_I_M));
float3 WorldSpaceTangent = normalize(mul((float3x3)UNITY_MATRIX_M,v.tangent.xyz));
float3 WorldSpaceBiTangent = cross(WorldSpaceNormal, WorldSpaceTangent.xyz) * v.tangent.w;
float3 WorldSpaceViewDirection = _WorldSpaceCameraPos.xyz - mul(GetObjectToWorldMatrix(), float4(v.vertex.xyz, 1.0)).xyz;
float4 uv1 = v.texcoord1;
float3 ObjectSpacePosition = mul(UNITY_MATRIX_I_M,float4(WorldSpacePosition,1.0)).xyz;
VertexDescriptionInputs vdi = (VertexDescriptionInputs)0;
// Vertex description inputs defined by graph
vdi.ObjectSpacePosition = ObjectSpacePosition;
VertexDescription vd = PopulateVertexData(vdi);
v.vertex.xyz = vd.Position;
// Vertex shader outputs defined by graph
o.WorldSpacePosition = WorldSpacePosition;
o.WorldSpaceNormal = WorldSpaceNormal;
o.WorldSpaceTangent = WorldSpaceTangent;
o.WorldSpaceBiTangent = WorldSpaceBiTangent;
o.WorldSpaceViewDirection = WorldSpaceViewDirection;
o.uv1 = uv1;
o.clipPos = TransformObjectToHClip(v.vertex.xyz);
return o;
}
half4 frag(VertexOutput IN ) : SV_TARGET
{
UNITY_SETUP_INSTANCE_ID(IN);
// Pixel transformations performed by graph
float3 WorldSpacePosition = IN.WorldSpacePosition;
float3 WorldSpaceNormal = IN.WorldSpaceNormal;
float3 WorldSpaceTangent = IN.WorldSpaceTangent;
float3 WorldSpaceBiTangent = IN.WorldSpaceBiTangent;
float3 WorldSpaceViewDirection = IN.WorldSpaceViewDirection;
float4 uv1 = IN.uv1;
SurfaceDescriptionInputs surfaceInput = (SurfaceDescriptionInputs)0;
// Surface description inputs defined by graph
SurfaceDescription surf = PopulateSurfaceData(surfaceInput);
float Alpha = 1;
float AlphaClipThreshold = 0;
// Surface description remap performed by graph
Alpha = surf.Alpha;
AlphaClipThreshold = surf.AlphaClipThreshold;
#if _AlphaClip
clip(Alpha - AlphaClipThreshold);
#endif
return 0;
}
ENDHLSL
}
}
FallBack "Hidden/InternalErrorShader"
}