From 46265149d719c0ebb61b0b72d9884f8bb5a76f4b Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Mon, 30 Mar 2026 16:31:49 -0700
Subject: Add tangent space normal debug view; rename gaussianize.py

---
 pbr.cginc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'pbr.cginc')

diff --git a/pbr.cginc b/pbr.cginc
index c9ee5c5..337d967 100755
--- a/pbr.cginc
+++ b/pbr.cginc
@@ -42,6 +42,7 @@ float2 parallax_offset(float2 uv, float3 view_dir_world, float3x3 tbn) {
   float prev_depth = cur_depth;
   float prev_height = cur_height;
 
+  [loop]
   for (int i = 0; i < (int)step_count; i++) {
     bool was_inside = cur_depth < cur_height;
     if (was_inside != inside) break;
@@ -401,6 +402,10 @@ Pbr getPbr(v2f i) {
 
   pbr.normal = normalize(mul(normal_tangent, pbr.tbn));
 
+#if defined(_DEBUG_VIEW_TANGENT_SPACE_NORMALS)
+  pbr.tangent_normal = normal_tangent;
+#endif
+
 #if defined(_BENT_NORMALS)
   float3 bent_ts = UnpackNormal(_Bent_Normals_Map.Sample(
         aniso4_trilinear_repeat_s, uv_parallax * _Bent_Normals_Map_ST.xy +
-- 
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