2 files changed, 3 insertions, 2 deletions
diff --git a/brdf.cginc b/brdf.cginc
index 1e920bb..0ce723c 100755
--- a/brdf.cginc
+++ b/brdf.cginc
@@ -96,8 +96,7 @@ float4 brdf(Pbr pbr, LightData data) {
 
 #if defined(_CLEARCOAT)
   const float cc_f0 = 0.04f;
-  float cc_perceptual_roughness = saturate(sqrt(pbr.cc_roughness));
-  float2 cc_dfg_uv = float2(data.common.NoV_cc, cc_perceptual_roughness);
+  float2 cc_dfg_uv = float2(data.common.NoV_cc, pbr.cc_roughness_perceptual);
   float3 cc_dfg;
   [branch]
   if (textureExists(_DFG_LUT)) {
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);