Bugfix: indirect specular was being double counted

1 files changed, 2 insertions, 3 deletions

diff --git a/brdf.cginc b/brdf.cginc
index 5294e5e..2260c96 100644
--- a/brdf.cginc
+++ b/brdf.cginc
@@ -87,7 +87,7 @@ float4 brdf(Pbr pbr, LightData data) {
     float3 direct_specular_cc = FDGc * data.direct.color * data.direct.NoL_cc * pbr.cc_strength;
     direct_specular_cc = max(0, direct_specular_cc);
     specular += direct_specular_cc;
-    remainder -= Fc;
+    remainder -= Fc * pbr.cc_strength;
 #endif
 
     float F = F_Schlick(data.direct.LoH, f0, f90);
@@ -115,7 +115,7 @@ float4 brdf(Pbr pbr, LightData data) {
     float Fc = F_Schlick(data.indirect.LoH, cc_f0, f90);
     float3 indirect_specular_cc = Fc * data.indirect.specular_cc * pbr.cc_strength;
     specular += indirect_specular_cc;
-    remainder -= Fc;
+    remainder -= Fc * pbr.cc_strength;
 #endif
 
     float F = F_Schlick(data.indirect.LoH, f0, f90);
@@ -124,7 +124,6 @@ float4 brdf(Pbr pbr, LightData data) {
     remainder -= F;
 
     float Fd = 1.0f;  // Lambertian divide is baked into SH
-    remainder -= indirect_specular;
     float3 indirect_diffuse = Fd * remainder * pbr.albedo.xyz * data.indirect.diffuse;
     diffuse  += indirect_diffuse;
   }