From f13c88295826d439c70cb9dfb4a9dd5d6ae46ff0 Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Wed, 6 Aug 2025 22:12:15 -0700
Subject: Switch to independent implementations of D/G terms

---
 pbr.cginc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'pbr.cginc')

diff --git a/pbr.cginc b/pbr.cginc
index b297a0f..7167929 100644
--- a/pbr.cginc
+++ b/pbr.cginc
@@ -14,6 +14,9 @@ struct Pbr {
   float metallic;
 };
 
+#define MIN_PERCEPTUAL_ROUGHNESS 5e-2f
+#define MIN_ROUGHNESS 2e-3f
+
 // TODO consider normal filtering like filamented
 void propagateSmoothness(inout Pbr pbr) {
   pbr.roughness_perceptual = max(MIN_PERCEPTUAL_ROUGHNESS, 1.0f - pbr.smoothness);
-- 
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