Grass: add crude instancing code

1 files changed, 7 insertions, 0 deletions

diff --git a/3ner.cginc b/3ner.cginc
index 02081a9..e675bc2 100755
--- a/3ner.cginc
+++ b/3ner.cginc
@@ -15,6 +15,7 @@
 #include "lighting.cginc"
 #include "globals.cginc"
 #include "interpolators.cginc"
+#include "instancing.cginc"
 #include "ray_marching.cginc"
 #include "vertex.cginc"
 #include "impostor.cginc"
@@ -30,6 +31,9 @@ v2f vert(appdata v) {
   UNITY_TRANSFER_INSTANCE_ID(v, o);
   UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
 
+  // Apply instance texture offset transformation if enabled
+  instancing_vert(v);
+
 #if defined(_IMPOSTORS)
   impostor_vert(v.vertex.xyz);
 #endif
@@ -262,6 +266,9 @@ float4 frag(v2f i, uint facing : SV_IsFrontFace
   return 0;
 #endif
 
+  // Apply instancing effects (e.g., distance culling)
+  instancing_frag(i);
+
 #if defined(_RAY_MARCHING)
   const bool is_fragment = true;
   ray_march(i, is_fragment);