Merge pull request #100859 from StaydMcMuffin/scene-shaders-user-normal-fix

Fix User-supplied Normals Being Ignored

drivers/gles3/shaders/scene.glsl

@@ -1816,7 +1816,6 @@ void main() {
 		normal = -normal;
 	}
 #endif // DO_SIDE_CHECK
-	vec3 geo_normal = normalize(normal);
 #endif // NORMAL_USED
 
 #ifdef UV_USED
@@ -1882,6 +1881,10 @@ void main() {
 #endif //USE_MULTIVIEW
 #endif //LIGHT_VERTEX_USED
 
+#ifdef NORMAL_USED
+	vec3 geo_normal = normalize(normal);
+#endif // NORMAL_USED
+
 #ifndef USE_SHADOW_TO_OPACITY
 
 #if defined(ALPHA_SCISSOR_USED)

servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl

@@ -1174,7 +1174,6 @@ void fragment_shader(in SceneData scene_data) {
 		normal = -normal;
 	}
 #endif // DO_SIDE_CHECK
-	vec3 geo_normal = normalize(normal);
 #endif // NORMAL_USED
 
 #ifdef UV_USED
@@ -1254,6 +1253,10 @@ void fragment_shader(in SceneData scene_data) {
 #endif //USE_MULTIVIEW
 #endif //LIGHT_VERTEX_USED
 
+#ifdef NORMAL_USED
+	vec3 geo_normal = normalize(normal);
+#endif // NORMAL_USED
+
 #ifndef USE_SHADOW_TO_OPACITY
 
 #ifdef ALPHA_SCISSOR_USED

servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile.glsl

@@ -898,7 +898,6 @@ void main() {
 		normal = -normal;
 	}
 #endif // DO_SIDE_CHECK
-	vec3 geo_normal = normalize(normal);
 #endif // NORMAL_USED
 
 #ifdef UV_USED
@@ -975,6 +974,10 @@ void main() {
 #endif //USE_MULTIVIEW
 #endif //LIGHT_VERTEX_USED
 
+#ifdef NORMAL_USED
+	vec3 geo_normal = normalize(normal);
+#endif // NORMAL_USED
+
 #ifdef LIGHT_TRANSMITTANCE_USED
 #ifdef SSS_MODE_SKIN
 	transmittance_color.a = sss_strength;