From 5f1faec6ff8f0ffca3a80d80a709f73f40bd48b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= <foucault.clem@gmail.com>
Date: Mon, 22 Apr 2024 16:38:02 +0200
Subject: [PATCH] Fix: EEVEE-Next: Tangent normal map node affected by object
 scale

Use the same approach as Legacy EEVEE and normalize the
normal before interpolation.
Fix #120455
---
 .../draw/engines/eevee_next/shaders/eevee_geom_mesh_vert.glsl   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/blender/draw/engines/eevee_next/shaders/eevee_geom_mesh_vert.glsl b/source/blender/draw/engines/eevee_next/shaders/eevee_geom_mesh_vert.glsl
index 5f23d9e6be1..3fd0e6ee512 100644
--- a/source/blender/draw/engines/eevee_next/shaders/eevee_geom_mesh_vert.glsl
+++ b/source/blender/draw/engines/eevee_next/shaders/eevee_geom_mesh_vert.glsl
@@ -18,7 +18,7 @@ void main()
   init_interface();
 
   interp.P = drw_point_object_to_world(pos);
-  interp.N = drw_normal_object_to_world(nor);
+  interp.N = normalize(drw_normal_object_to_world(nor));
 #ifdef MAT_VELOCITY
   vec3 prv, nxt;
   velocity_local_pos_get(pos, gl_VertexID, prv, nxt);