Function check_dir_light_mesh_visibility 

pub fn check_dir_light_mesh_visibility(
    commands: Commands<'_, '_>,
    directional_lights: Query<'_, '_, (&DirectionalLight, &CascadesFrusta, &mut CascadesVisibleEntities, Option<&RenderLayers>, &ViewVisibility), Without<SpotLight>>,
    visible_entity_query: Query<'_, '_, (Entity, &InheritedVisibility, Option<&RenderLayers>, Option<&Aabb>, Option<&GlobalTransform>, Has<VisibilityRange>, Has<NoFrustumCulling>), (Without<NotShadowCaster>, Without<DirectionalLight>, Without<NoCpuCulling>, With<Mesh3d>)>,
    visible_entity_ranges: Option<Res<'_, VisibleEntityRanges>>,
    defer_visible_entities_queue: Local<'_, Parallel<Vec<Entity>>>,
    view_visible_entities_queue: Local<'_, Parallel<Vec<Vec<Entity>>>>,
)

Updates the visibility for DirectionalLights so that shadow map rendering can work.

This only processes entities without NoCpuCulling. Entities with NoCpuCulling receive no view-specific processing in the main world.