$Material.CottonWool:               #define _MATERIAL_FEATURE_COTTON_WOOL 1
$Material.Transmission:             #define _MATERIAL_FEATURE_TRANSMISSION 1
$Material.SubsurfaceScattering:     #define _MATERIAL_FEATURE_SUBSURFACE_SCATTERING 1
$AmbientOcclusion:                  #define _AMBIENT_OCCLUSION 1
$SpecularOcclusionFromAO:           #define _SPECULAR_OCCLUSION_FROM_AO 1
$SpecularOcclusionFromAOBentNormal: #define _SPECULAR_OCCLUSION_FROM_AO_BENT_NORMAL 1
$SpecularOcclusionCustom:           #define _SPECULAR_OCCLUSION_CUSTOM 1
$Specular.EnergyConserving:         #define _ENERGY_CONSERVING_SPECULAR 1
$Specular.AA:                       #define _ENABLE_GEOMETRIC_SPECULAR_AA 1

// If we use subsurface scattering, enable output split lighting (for forward pass)
#if defined(_MATERIAL_FEATURE_SUBSURFACE_SCATTERING) && !defined(_SURFACE_TYPE_TRANSPARENT)
#define OUTPUT_SPLIT_LIGHTING
#endif