From 46f600fa6890bd9321a87d95e325b4f8f6694f27 Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Sat, 7 Mar 2026 18:56:39 -0800
Subject: Add data.cginc - header for data containers

---
 data.cginc | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 data.cginc

(limited to 'data.cginc')

diff --git a/data.cginc b/data.cginc
new file mode 100644
index 0000000..34eacd6
--- /dev/null
+++ b/data.cginc
@@ -0,0 +1,36 @@
+#ifndef __DATA_INC
+#define __DATA_INC
+
+#include "globals.cginc"
+
+// From filament: min roughness s.t. MIN_PERCEPTUAL_ROUGHNESS^4 > 0 in target
+// precision. Although we use fp32, the higher min roughness gives us a broader
+// specular highlight, which is preferable.
+#define MIN_PERCEPTUAL_ROUGHNESS 0.045
+#define MIN_ROUGHNESS            0.002025
+
+struct Pbr {
+  float4 albedo;
+  float3 normal;
+  float3x3 tbn;
+  float smoothness;
+  float roughness_perceptual;
+  float roughness;
+  float metallic;
+#if defined(_EMISSIONS) && defined(FORWARD_BASE_PASS)
+  float3 emission;
+#endif
+#if defined(_AMBIENT_OCCLUSION)
+  float ao;
+#endif
+#if defined(_BENT_NORMALS)
+  float3 bent_normal;
+#endif
+#if defined(_CLEARCOAT)
+  float cc_roughness;
+  float cc_roughness_perceptual;
+  float cc_strength;
+#endif
+};
+
+#endif  // __DATA_INC
-- 
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