Clanker vertex light support

1 files changed, 10 insertions, 2 deletions

diff --git a/brdf.cginc b/brdf.cginc
index 22e0de9..93157e8 100755
--- a/brdf.cginc
+++ b/brdf.cginc
@@ -107,7 +107,7 @@ float G_Estevez(float roughness, float NoL, float NoV) {
   return 1.0 / ((1.0 + lambda_l + lambda_v) * 4.0 * NoL * NoV);
 }
 
-float4 brdf(v2f i, Pbr pbr, LightData data, out BrdfData bd) {
+float4 brdf(v2f i, Pbr pbr, LightData data, bool direct_only, out BrdfData bd) {
   bd = (BrdfData)0;
   float3 specular = 0;
   float3 diffuse = 0;
@@ -235,6 +235,8 @@ float4 brdf(v2f i, Pbr pbr, LightData data, out BrdfData bd) {
 
   // Indirect
 #if !defined(FURNACE_TEST_DIRECT) && (defined(FORWARD_BASE_PASS) || defined(OUTLINES_PASS))
+  [branch]
+  if (!direct_only)
   {
     float3 remainder = 1.0f;
 #if defined(_CLEARCOAT)
@@ -282,6 +284,8 @@ float4 brdf(v2f i, Pbr pbr, LightData data, out BrdfData bd) {
 #endif
 
 #if defined(FORWARD_BASE_PASS)
+  [branch]
+  if (!direct_only)
   {
     [branch]
     if (_UdonLightVolumeEnabled) {
@@ -306,7 +310,7 @@ float4 brdf(v2f i, Pbr pbr, LightData data, out BrdfData bd) {
   diffuse  *= data.common.ao;
 
 #if (defined(_EMISSIONS) || defined(_LETTER_GRID)) && defined(FORWARD_BASE_PASS)
-  float3 emission = pbr.emission;
+  float3 emission = direct_only ? 0 : pbr.emission;
 #else
   float3 emission = 0;
 #endif
@@ -315,4 +319,8 @@ float4 brdf(v2f i, Pbr pbr, LightData data, out BrdfData bd) {
   return float4(lit.rgb * lit.a, lit.a);
 }
 
+float4 brdf(v2f i, Pbr pbr, LightData data, out BrdfData bd) {
+  return brdf(i, pbr, data, false, bd);
+}
+
 #endif  // __BRDF_INC