[Merged by Bors] - bevy_pbr: Normalize skinned normals

crates/bevy_pbr/src/render/pbr_functions.wgsl

@@ -91,12 +91,12 @@ fn apply_normal_mapping(
     // calculates the normal maps so there is no error introduced. Do not change this code
     // unless you really know what you are doing.
     // http://www.mikktspace.com/
-    N = normalize(Nt.x * T + Nt.y * B + Nt.z * N);
+    N = Nt.x * T + Nt.y * B + Nt.z * N;
 #endif
 #endif
 #endif
 
-    return N;
+    return normalize(N);
 }
 
 // NOTE: Correctly calculates the view vector depending on whether

crates/bevy_pbr/src/render/skinning.wgsl

@@ -30,9 +30,13 @@ fn skin_normals(
     model: mat4x4<f32>,
     normal: vec3<f32>,
 ) -> vec3<f32> {
-    return inverse_transpose_3x3(mat3x3<f32>(
-        model[0].xyz,
-        model[1].xyz,
-        model[2].xyz
-    )) * normal;
+    return normalize(
+        inverse_transpose_3x3(
+            mat3x3<f32>(
+                model[0].xyz,
+                model[1].xyz,
+                model[2].xyz
+            )
+        ) * normal
+    );
 }