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70 行
1.8 KiB
70 行
1.8 KiB
#ifndef LIGHTWEIGHT_PASS_META_INCLUDED
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#define LIGHTWEIGHT_PASS_META_INCLUDED
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#include "LightweightSurfaceInput.cginc"
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#include "LightweightLighting.cginc"
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#include "UnityMetaPass.cginc"
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struct MetaVertexInput
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{
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float4 vertex : POSITION;
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half3 normal : NORMAL;
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float2 uv0 : TEXCOORD0;
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float2 uv1 : TEXCOORD1;
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float2 uv2 : TEXCOORD2;
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#ifdef _TANGENT_TO_WORLD
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half4 tangent : TANGENT;
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#endif
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct MetaVertexOuput
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{
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float4 pos : SV_POSITION;
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float2 uv : TEXCOORD0;
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};
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MetaVertexOuput LightweightVertexMeta(MetaVertexInput v)
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{
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MetaVertexOuput o;
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o.pos = UnityMetaVertexPosition(v.vertex, v.uv1.xy, v.uv2.xy, unity_LightmapST, unity_DynamicLightmapST);
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o.uv = TRANSFORM_TEX(v.uv0, _MainTex);
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return o;
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}
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fixed4 LightweightFragmentMeta(MetaVertexOuput i) : SV_Target
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{
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SurfaceData surfaceData;
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InitializeStandardLitSurfaceData(i.uv, surfaceData);
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BRDFData brdfData;
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InitializeBRDFData(surfaceData.albedo, surfaceData.metallic, surfaceData.specular, surfaceData.smoothness, surfaceData.alpha, brdfData);
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UnityMetaInput o;
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UNITY_INITIALIZE_OUTPUT(UnityMetaInput, o);
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#if defined(EDITOR_VISUALIZATION)
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o.Albedo = brdfData.diffuse;
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#else
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o.Albedo = brdfData.diffuse + brdfData.specular * brdfData.roughness * 0.5;
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#endif
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o.SpecularColor = surfaceData.specular;
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o.Emission = surfaceData.emission;
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return UnityMetaFragment(o);
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}
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fixed4 LightweightFragmentMetaSimple(MetaVertexOuput i) : SV_Target
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{
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UnityMetaInput o;
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UNITY_INITIALIZE_OUTPUT(UnityMetaInput, o);
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float2 uv = i.uv;
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o.Albedo = _Color.rgb * tex2D(_MainTex, uv).rgb;
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o.SpecularColor = SpecularGloss(uv, 1.0);
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o.Emission = Emission(uv);
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return UnityMetaFragment(o);
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}
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#endif
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