From 0929b98cd31fd394844633e96a7883f5af2349dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= <foucault.clem@gmail.com>
Date: Fri, 30 Jun 2023 13:10:54 +0200
Subject: [PATCH] EEVEE-Next: Fix spherical_harmonics_evaluate_non_linear

Using `safe_normalize_and_get_length` add directional
component on otherwise fully ambient SH lighting.
---
 .../eevee_next/shaders/eevee_spherical_harmonics_lib.glsl       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/blender/draw/engines/eevee_next/shaders/eevee_spherical_harmonics_lib.glsl b/source/blender/draw/engines/eevee_next/shaders/eevee_spherical_harmonics_lib.glsl
index b2861397a8f..bc9217a0c4d 100644
--- a/source/blender/draw/engines/eevee_next/shaders/eevee_spherical_harmonics_lib.glsl
+++ b/source/blender/draw/engines/eevee_next/shaders/eevee_spherical_harmonics_lib.glsl
@@ -264,7 +264,7 @@ float spherical_harmonics_evaluate_non_linear(vec3 N, float R0, vec3 R1)
   R1 /= 2.0;
 
   float R1_len;
-  vec3 R1_dir = safe_normalize_and_get_length(R1, R1_len);
+  vec3 R1_dir = normalize_and_get_length(R1, R1_len);
   float rcp_R0 = safe_rcp(R0);
 
   float q = (1.0 + dot(R1_dir, N)) / 2.0;