Jamie Greunbaum
8fe5f7caf4
- Added a fake sub-surface scattering shader that might be used later. - Apparently the arcade games were altered somehow? Don't remember that.
83 lines
2.7 KiB
HLSL
83 lines
2.7 KiB
HLSL
#ifndef SSS_SHADOW_INCLUDED
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#define SSS_SHADOW_INCLUDED
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#include "HLSLSupport.cginc"
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#if ( SHADER_API_D3D11 || SHADER_API_GLCORE || SHADER_API_GLES3 || SHADER_API_METAL || SHADER_API_VULKAN )
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#define CAN_SKIP_VPOS
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#endif
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#include "UnityCG.cginc"
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#include "Lighting.cginc"
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#include "UnityPBSLighting.cginc"
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struct v2f
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{
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V2F_SHADOW_CASTER;
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float4 customPack1 : TEXCOORD1;
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float4 tSpace0 : TEXCOORD2;
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float4 tSpace1 : TEXCOORD3;
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float4 tSpace2 : TEXCOORD4;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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v2f vert( appdata_full v )
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID( v );
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UNITY_INITIALIZE_OUTPUT( v2f, o );
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UNITY_TRANSFER_INSTANCE_ID( v, o );
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Input customInputData;
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float3 worldPos = mul( unity_ObjectToWorld, v.vertex ).xyz;
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half3 worldNormal = UnityObjectToWorldNormal( v.normal );
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half3 worldTangent = UnityObjectToWorldDir( v.tangent.xyz );
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half tangentSign = v.tangent.w * unity_WorldTransformParams.w;
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half3 worldBinormal = cross( worldNormal, worldTangent ) * tangentSign;
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o.tSpace0 = float4( worldTangent.x, worldBinormal.x, worldNormal.x, worldPos.x );
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o.tSpace1 = float4( worldTangent.y, worldBinormal.y, worldNormal.y, worldPos.y );
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o.tSpace2 = float4( worldTangent.z, worldBinormal.z, worldNormal.z, worldPos.z );
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o.customPack1.xy = customInputData.uv_texcoord;
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o.customPack1.xy = v.texcoord;
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o.customPack1.zw = v.texcoord1;
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TRANSFER_SHADOW_CASTER_NORMALOFFSET( o )
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return o;
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}
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half4 frag( v2f IN
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#if !defined( CAN_SKIP_VPOS )
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, UNITY_VPOS_TYPE vpos : VPOS
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#endif
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) : SV_Target
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{
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UNITY_SETUP_INSTANCE_ID( IN );
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Input surfIN;
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UNITY_INITIALIZE_OUTPUT( Input, surfIN );
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surfIN.uv_texcoord = IN.customPack1.xy;
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surfIN.uv2_texcoord2 = IN.customPack1.zw;
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float3 worldPos = float3( IN.tSpace0.w, IN.tSpace1.w, IN.tSpace2.w );
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half3 worldViewDir = normalize( UnityWorldSpaceViewDir( worldPos ) );
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surfIN.worldNormal = float3( IN.tSpace0.z, IN.tSpace1.z, IN.tSpace2.z );
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surfIN.internalSurfaceTtoW0 = IN.tSpace0.xyz;
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surfIN.internalSurfaceTtoW1 = IN.tSpace1.xyz;
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surfIN.internalSurfaceTtoW2 = IN.tSpace2.xyz;
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SurfaceOutputCustomLightingCustom o;
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UNITY_INITIALIZE_OUTPUT( SurfaceOutputCustomLightingCustom, o );
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#if !defined(SSS_CUSTOM_SHADOW)
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float2 scaledUV = TRANSFORM_TEX(surfIN.uv_texcoord, _MainTex);
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float4 _MainTex_var = tex2D( _MainTex, scaledUV );
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#if !(defined(_ALPHATEST_ON) || defined(_ALPHABLEND_ON) || defined(_ALPHAPREMULTIPLY_ON))
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o.Alpha = 1.0;
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#else
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o.Alpha = (_SmoothnessFromAlbedo? 1.0 : _MainTex_var.a) * _Color.a ;
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o.Alpha = ((o.Alpha - _Cutout) / 0.0001 + 0.5);
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clip(o.Alpha - 1.0/255.0 );
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#endif
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#else
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customShadow( surfIN, o );
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#endif
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#if defined( CAN_SKIP_VPOS )
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float2 vpos = IN.pos;
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#endif
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SHADOW_CASTER_FRAGMENT( IN )
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}
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#endif // SSS_SHADOW_INCLUDED |