add unlit toggle, adjust IBL

1 files changed, 9 insertions, 1 deletions

diff --git a/3ner.cginc b/3ner.cginc
index d50f553..1b5e358 100644
--- a/3ner.cginc
+++ b/3ner.cginc
@@ -161,14 +161,22 @@ v2f domain(
   return o;
 }
 
-float4 frag(v2f i, uint facing : SV_IsFrontFace) : SV_Target {
+float4 frag(v2f i, uint facing : SV_IsFrontFace
+#if defined(_CUSTOM31_TUBES)
+, out float depth : SV_DepthLessEqual
+#endif
+) : SV_Target {
   i.normal *= facing ? 1 : -1;
   i.normal = normalize(i.normal);
   i.tangent.xyz = normalize(i.tangent.xyz);
   Pbr pbr = getPbr(i);
+#if defined(_UNLIT)
+  return pbr.albedo;
+#else
   LightData light_data;
   GetLighting(i, pbr, light_data);
   return brdf(pbr, light_data);
+#endif
 }
 
 #endif  // __3NER_INC