Add mutex when adding geometry instances to the dirty list in the Forward Clustered renderer

servers/rendering/renderer_scene_cull.cpp

@@ -2824,7 +2824,9 @@ void RendererSceneCull::_scene_cull(CullData &cull_data, InstanceCullResult &cul
 						InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(idata.instance->base_data);
 
 						ERR_FAIL_NULL(geom->geometry_instance);
+						cull_data.cull->lock.lock();
 						geom->geometry_instance->set_softshadow_projector_pairing(geom->softshadow_count > 0, geom->projector_count > 0);
+						cull_data.cull->lock.unlock();
 						idata.flags &= ~uint32_t(InstanceData::FLAG_GEOM_PROJECTOR_SOFTSHADOW_DIRTY);
 					}
 
@@ -2891,7 +2893,9 @@ void RendererSceneCull::_scene_cull(CullData &cull_data, InstanceCullResult &cul
 							sh[j] = sh[j].lerp(target_sh[j], MIN(1.0, lightmap_probe_update_speed));
 						}
 						ERR_FAIL_NULL(geom->geometry_instance);
+						cull_data.cull->lock.lock();
 						geom->geometry_instance->set_lightmap_capture(sh);
+						cull_data.cull->lock.unlock();
 						idata.instance->last_frame_pass = frame_number;
 					}
 

servers/rendering_server.cpp

@@ -2963,9 +2963,9 @@ void RenderingServer::init() {
 	GLOBAL_DEF(PropertyInfo(Variant::INT, "rendering/environment/volumetric_fog/volume_depth", PROPERTY_HINT_RANGE, "16,512,1"), 64);
 	GLOBAL_DEF(PropertyInfo(Variant::INT, "rendering/environment/volumetric_fog/use_filter", PROPERTY_HINT_ENUM, "No (Faster),Yes (Higher Quality)"), 1);
 
-	GLOBAL_DEF(PropertyInfo(Variant::INT, "rendering/limits/spatial_indexer/update_iterations_per_frame", PROPERTY_HINT_RANGE, "0,1024,1"), 10);
-	GLOBAL_DEF(PropertyInfo(Variant::INT, "rendering/limits/spatial_indexer/threaded_cull_minimum_instances", PROPERTY_HINT_RANGE, "32,65536,1"), 1000);
-	GLOBAL_DEF(PropertyInfo(Variant::INT, "rendering/limits/forward_renderer/threaded_render_minimum_instances", PROPERTY_HINT_RANGE, "32,65536,1"), 500);
+	GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "rendering/limits/spatial_indexer/update_iterations_per_frame", PROPERTY_HINT_RANGE, "0,1024,1"), 10);
+	GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "rendering/limits/spatial_indexer/threaded_cull_minimum_instances", PROPERTY_HINT_RANGE, "32,65536,1"), 1000);
+	GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "rendering/limits/forward_renderer/threaded_render_minimum_instances", PROPERTY_HINT_RANGE, "32,65536,1"), 500);
 
 	GLOBAL_DEF(PropertyInfo(Variant::FLOAT, "rendering/limits/cluster_builder/max_clustered_elements", PROPERTY_HINT_RANGE, "32,8192,1"), 512);