Shader "Hidden/HDRenderPipeline/DrawTransmittanceGraph" { SubShader { Pass { Cull Off ZTest Always ZWrite Off Blend Off HLSLPROGRAM #pragma target 4.5 #pragma only_renderers d3d11 ps4 xboxone vulkan metal #pragma vertex Vert #pragma fragment Frag //------------------------------------------------------------------------------------- // Include //------------------------------------------------------------------------------------- #include "CoreRP/ShaderLibrary/Common.hlsl" #include "CoreRP/ShaderLibrary/CommonMaterial.hlsl" #define USE_LEGACY_UNITY_MATRIX_VARIABLES #include "HDRP/ShaderVariables.hlsl" #include "HDRP/Material/DiffusionProfile/DiffusionProfile.hlsl" //------------------------------------------------------------------------------------- // Inputs & outputs //------------------------------------------------------------------------------------- float4 _HalfRcpVarianceAndWeight1, _HalfRcpVarianceAndWeight2; float4 _ShapeParam, _TransmissionTint, _ThicknessRemap; //------------------------------------------------------------------------------------- // Implementation //------------------------------------------------------------------------------------- struct Attributes { float3 vertex : POSITION; float2 texcoord : TEXCOORD0; }; struct Varyings { float4 vertex : SV_POSITION; float2 texcoord : TEXCOORD0; }; Varyings Vert(Attributes input) { Varyings output; output.vertex = TransformWorldToHClip(input.vertex); output.texcoord = input.texcoord.xy; return output; } float4 Frag(Varyings input) : SV_Target { float d = (_ThicknessRemap.x + input.texcoord.x * (_ThicknessRemap.y - _ThicknessRemap.x)); float3 T; #if SHADEROPTIONS_USE_DISNEY_SSS T = ComputeTransmittanceDisney(_ShapeParam.rgb, float3(0.25, 0.25, 0.25), d, 1); #else T = ComputeTransmittanceJimenez(_HalfRcpVarianceAndWeight1.rgb, _HalfRcpVarianceAndWeight1.a, _HalfRcpVarianceAndWeight2.rgb, _HalfRcpVarianceAndWeight2.a, float3(0.25, 0.25, 0.25), d, 1); #endif // Apply gamma for visualization only. Do not apply gamma to the color. return float4(sqrt(T) * _TransmissionTint.rgb, 1); } ENDHLSL } } Fallback Off }