Add cloth lobe & IBL DFG LUTs

- add monte carlo integrator to produce the luts
- fix layer energy integration; should be multiplicative, not additive

1 files changed, 11 insertions, 11 deletions

diff --git a/lighting.cginc b/lighting.cginc
index 5055798..48d95a1 100644
--- a/lighting.cginc
+++ b/lighting.cginc
@@ -99,13 +99,13 @@ float3 getIndirectSpecular(v2f i, float roughness, float3 view_dir, float3 refle
 
 float3 yumSH9(float4 n, float3 worldPos, inout LightIndirect light) {
   [branch]
-    if (_UdonLightVolumeEnabled) {
-      LightVolumeSH(worldPos, light.L00, light.L01r, light.L01g, light.L01b);
-      return light.L00 + float3(
-          dot(light.L01r, n.xyz),
-          dot(light.L01g, n.xyz),
-          dot(light.L01b, n.xyz));
-    }
+  if (_UdonLightVolumeEnabled) {
+    LightVolumeSH(worldPos, light.L00, light.L01r, light.L01g, light.L01b);
+    return light.L00 + float3(
+        dot(light.L01r, n.xyz),
+        dot(light.L01g, n.xyz),
+        dot(light.L01b, n.xyz));
+  }
 
   // No light volumes - use SH9
   // Unity gives us the first three bands (L0-L2) of SH coefficients as follows:
@@ -175,7 +175,7 @@ float4 getIndirectDiffuse(v2f i, Pbr pbr, inout LightIndirect light) {
 
 void GetLighting(v2f i, Pbr pbr, out LightData data) {
 	data = (LightData) 0;
-  
+
 	float3 view_dir = normalize(i.eyeVec.xyz);
 
 	data.common.V = -view_dir;
@@ -184,7 +184,7 @@ void GetLighting(v2f i, Pbr pbr, out LightData data) {
 #if defined(_CLEARCOAT)
   data.common.NoV_cc = saturate(dot(i.normal, data.common.V));
 #endif
-	
+
 	// Direct lighting
 	data.direct.dir = getDirectLightDirection(i);
 	data.direct.H = normalize(data.common.V + data.direct.dir);
@@ -198,10 +198,10 @@ void GetLighting(v2f i, Pbr pbr, out LightData data) {
   float direct_LoV = dot(data.direct.dir, data.common.V);
   data.direct.LoV = saturate(direct_LoV);
   data.direct.double_LoV = saturate(2.0f * direct_LoV * direct_LoV - 1.0f);
-	
+
 	float4 lightColorIntensity = getDirectLightColorIntensity();
 	data.direct.color = lightColorIntensity.rgb * lightColorIntensity.w;
-	
+
 	// Indirect lighting
   data.indirect.dir = -reflect(data.common.V, pbr.normal);
 	data.indirect.H = normalize(data.common.V + data.indirect.dir);