1 files changed, 2 insertions, 0 deletions
diff --git a/pbr.cginc b/pbr.cginc
index be67501..a01c185 100755
--- a/pbr.cginc
+++ b/pbr.cginc
@@ -24,6 +24,7 @@ struct Pbr {
 #endif
 #if defined(_CLEARCOAT)
   float cc_roughness;
+  float cc_roughness_perceptual;
   float cc_strength;
 #endif
 #if defined(_IMPOSTORS_DEPTH)
@@ -228,6 +229,7 @@ Pbr getPbr(v2f i) {
 
 #if defined(_CLEARCOAT)
   pbr.cc_roughness = _Clearcoat_Roughness;
+  pbr.cc_roughness_perceptual = sqrt(pbr.cc_roughness);
   pbr.cc_strength = _Clearcoat_Strength;
 #endif
   propagateSmoothness(pbr);