use standard sh9 when light volumes not present

1 files changed, 2 insertions, 0 deletions

diff --git a/brdf.cginc b/brdf.cginc
index 2260c96..c2ebc22 100644
--- a/brdf.cginc
+++ b/brdf.cginc
@@ -108,6 +108,7 @@ float4 brdf(Pbr pbr, LightData data) {
   }
 
   // Indirect
+#if defined(FORWARD_BASE_PASS)
   if (true) {
     float remainder = 1.0f;
 #if defined(_CLEARCOAT)
@@ -127,6 +128,7 @@ float4 brdf(Pbr pbr, LightData data) {
     float3 indirect_diffuse = Fd * remainder * pbr.albedo.xyz * data.indirect.diffuse;
     diffuse  += indirect_diffuse;
   }
+#endif
 
   return float4(diffuse + specular, 1);
 }