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| Shader "HHF/Tutorial/MaterialCapture"
{
Properties
{
[NoScaleOffset]_BaseMap("BaseMap", 2D) = "white" {}
[Toggle]_NormalTexEnable("NormalTexEnabled", int) = 0
[Normal]_NormalTex("NormalTex", 2D) = "bump"{}
}
SubShader
{
Tags { "Queue"="Geometry" "RenderType" = "Opaque" "IgnoreProjector" = "True" "RenderPipeline" = "UniversalPipeline" }
Blend SrcAlpha OneMinusSrcAlpha
Pass
{
HLSLPROGRAM
#pragma prefer_hlslcc gles
#pragma exclude_renderers d3d11_9x
#pragma vertex vert
#pragma fragment frag
#pragma shader_feature _ _NORMALTEXENABLE_ON
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/UnityInstancing.hlsl"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
half3 normal : NORMAL;
half4 tangent : TANGENT;
};
struct v2f
{
float4 positionCS : SV_POSITION;
float2 uv : TEXCOORD0;
half4 normalWS : TEXCOORD1;
half4 tangentWS : TEXCOORD2;
half4 bitangentWS : TEXCOORD3;
};
CBUFFER_START(UnityPerMaterial)
float4 _NormalTex_ST;
CBUFFER_END
TEXTURE2D (_BaseMap);SAMPLER(sampler_BaseMap);
TEXTURE2D (_NormalTex);SAMPLER(sampler_NormalTex);
v2f vert(appdata v)
{
v2f o = (v2f)0;
o.positionCS = TransformObjectToHClip(v.vertex.xyz);
o.uv = TRANSFORM_TEX(v.uv, _NormalTex);
half3 normalWS = TransformObjectToWorldNormal(v.normal.xyz);
o.normalWS.xyz = normalWS;
o.tangentWS.xyz = TransformObjectToWorldDir(v.tangent.xyz);
half sign = v.tangent.w * GetOddNegativeScale();
o.bitangentWS.xyz = cross(o.normalWS.xyz, o.tangentWS.xyz) * sign;
return o;
}
half4 frag(v2f i) : SV_Target
{
half4 c;
half3 normalWS = normalize(i.normalWS.xyz);
#if _NORMALTEXENABLE_ON
half3 normalMap = UnpackNormal(SAMPLE_TEXTURE2D(_NormalTex, sampler_NormalTex, i.uv));
normalWS = mul(normalMap, half3x3(i.tangentWS.xyz, i.bitangentWS.xyz, i.normalWS.xyz));
#endif
half3 normalVS = mul((float3x3)UNITY_MATRIX_V, normalWS);
float2 normalUV = normalVS.xy * 0.5 + 0.5;
half4 baseMap = SAMPLE_TEXTURE2D(_BaseMap, sampler_BaseMap, normalUV);
c = baseMap;
return c;
}
ENDHLSL
}
}
SubShader
{
Tags { "RenderType"="Opaque" }
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma shader_feature _ _NORMALTEXENABLE_ON
#include "UnityCG.cginc"
#include "AutoLight.cginc"
#include "Lighting.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
half3 normal : NORMAL;
half4 tangent : TANGENT;
};
struct v2f
{
float4 positionCS : SV_POSITION;
float2 uv : TEXCOORD0;
half4 normalWS : TEXCOORD1;
half4 tangentWS : TEXCOORD2;
half4 bitangentWS : TEXCOORD3;
};
sampler2D _BaseMap; float4 _BaseMap_ST;
sampler2D _NormalTex; float4 _NormalTex_ST;
v2f vert(appdata v)
{
v2f o = (v2f)0;
o.positionCS = UnityObjectToClipPos(v.vertex.xyz);
o.uv = TRANSFORM_TEX(v.uv, _NormalTex);
half3 normalWS = UnityObjectToWorldNormal(v.normal.xyz);
o.normalWS.xyz = normalWS;
o.tangentWS.xyz = UnityObjectToWorldDir(v.tangent.xyz);
half tangentSign = v.tangent.w * unity_WorldTransformParams.w;
o.bitangentWS.xyz = cross(o.normalWS, o.tangentWS) * tangentSign;
return o;
}
half4 frag(v2f i) : SV_Target
{
half4 c;
half3 normalWS = normalize(i.normalWS.xyz);
#if _NORMALTEXENABLE_ON
half3 normalMap = UnpackNormal(tex2D(_NormalTex, i.uv));
normalWS = mul(normalMap, half3x3(i.tangentWS.xyz, i.bitangentWS.xyz, i.normalWS.xyz));
#endif
half3 normalVS = mul((float3x3)UNITY_MATRIX_V, normalWS);
float2 normalUV = normalVS.xy * 0.5 + 0.5;
half4 baseMap = tex2D(_BaseMap, normalUV);
c = baseMap;
return c;
}
ENDCG
}
}
}
|
