From a4bf31470f7e2855f13d922e3e7ad1c7767d9afd Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Sun, 12 Oct 2025 16:28:53 -0700
Subject: add geometry shader

---
 geometry.cginc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 geometry.cginc

(limited to 'geometry.cginc')

diff --git a/geometry.cginc b/geometry.cginc
new file mode 100644
index 0000000..9ddb011
--- /dev/null
+++ b/geometry.cginc
@@ -0,0 +1,16 @@
+#ifndef __GEOMETRY_INC
+#define __GEOMETRY_INC
+
+#include "interpolators.cginc"
+#include "globals.cginc"
+
+#if defined(_CENTER_OFFSET)
+float center_offset(float2 uv) {
+  float height = _Center_Offset_Heightmap.SampleLevel(point_repeat_s,
+        uv * _Center_Offset_Heightmap_ST.xy + _Center_Offset_Heightmap_ST.zw, 0).r;
+  return height * _Center_Offset_Factor;
+}
+#endif  // _CENTER_OFFSET
+
+
+#endif // __GEOMETRY_INC
-- 
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