Do not re-check visibility or re-render shadow maps for point and spot lights for each view

Cargo.toml

@@ -2703,6 +2703,17 @@ description = "Test rendering of many UI elements"
 category = "Stress Tests"
 wasm = true
 
+[[example]]
+name = "many_cameras_lights"
+path = "examples/stress_tests/many_cameras_lights.rs"
+doc-scrape-examples = true
+
+[package.metadata.example.many_cameras_lights]
+name = "Many Cameras & Lights"
+description = "Test rendering of many cameras and lights"
+category = "Stress Tests"
+wasm = true
+
 [[example]]
 name = "many_cubes"
 path = "examples/stress_tests/many_cubes.rs"

crates/bevy_pbr/src/light/mod.rs

@@ -1,6 +1,9 @@
 use core::ops::DerefMut;
 
-use bevy_ecs::{entity::EntityHashMap, prelude::*};
+use bevy_ecs::{
+    entity::{EntityHashMap, EntityHashSet},
+    prelude::*,
+};
 use bevy_math::{ops, Mat4, Vec3A, Vec4};
 use bevy_reflect::prelude::*;
 use bevy_render::{
@@ -836,6 +839,7 @@ pub fn check_dir_light_mesh_visibility(
     });
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn check_point_light_mesh_visibility(
     visible_point_lights: Query<&VisibleClusterableObjects>,
     mut point_lights: Query<(
@@ -872,10 +876,17 @@ pub fn check_point_light_mesh_visibility(
     visible_entity_ranges: Option<Res<VisibleEntityRanges>>,
     mut cubemap_visible_entities_queue: Local<Parallel<[Vec<Entity>; 6]>>,
     mut spot_visible_entities_queue: Local<Parallel<Vec<Entity>>>,
+    mut checked_lights: Local<EntityHashSet>,
 ) {
+    checked_lights.clear();
+
     let visible_entity_ranges = visible_entity_ranges.as_deref();
     for visible_lights in &visible_point_lights {
         for light_entity in visible_lights.entities.iter().copied() {
+            if !checked_lights.insert(light_entity) {
+                continue;
+            }
+
             // Point lights
             if let Ok((
                 point_light,