Function extract_meshes_for_gpu_building 

pub fn extract_meshes_for_gpu_building(
    render_mesh_instances: ResMut<'_, RenderMeshInstances>,
    render_visibility_ranges: Res<'_, RenderVisibilityRanges>,
    render_mesh_instance_queues: ResMut<'_, RenderMeshInstanceGpuQueues>,
    changed_meshes_query: Extract<'_, '_, Query<'_, '_, (Entity, Read<ViewVisibility>, Read<GlobalTransform>, Option<Read<PreviousGlobalTransform>>, Option<Read<Lightmap>>, Option<Read<Aabb>>, Read<Mesh3d>, Option<Read<MeshTag>>, (Has<NoFrustumCulling>, Has<NotShadowReceiver>, Has<TransmittedShadowReceiver>, Has<NotShadowCaster>, Has<NoAutomaticBatching>, Has<NoCpuCulling>), Option<Read<VisibilityRange>>, Option<Read<RenderLayers>>), Or<(Changed<ViewVisibility>, Changed<GlobalTransform>, Changed<PreviousGlobalTransform>, Changed<Lightmap>, Changed<Aabb>, Changed<Mesh3d>, Changed<MeshTag>, Or<(Changed<NoFrustumCulling>, Changed<NotShadowReceiver>, Changed<TransmittedShadowReceiver>, Changed<NotShadowCaster>, Changed<NoAutomaticBatching>, Changed<NoCpuCulling>)>, Changed<VisibilityRange>, Changed<SkinnedMesh>)>>>,
    (removed_previous_global_transform_query, removed_lightmap_query, removed_aabb_query, removed_mesh_tag_query, removed_no_frustum_culling_query, removed_not_shadow_receiver_query, removed_transmitted_receiver_query, removed_not_shadow_caster_query, removed_no_automatic_batching_query, removed_no_cpu_culling_query, removed_visibility_range_query, removed_skinned_mesh_query): (Extract<'_, '_, RemovedComponents<'_, '_, PreviousGlobalTransform>>, Extract<'_, '_, RemovedComponents<'_, '_, Lightmap>>, Extract<'_, '_, RemovedComponents<'_, '_, Aabb>>, Extract<'_, '_, RemovedComponents<'_, '_, MeshTag>>, Extract<'_, '_, RemovedComponents<'_, '_, NoFrustumCulling>>, Extract<'_, '_, RemovedComponents<'_, '_, NotShadowReceiver>>, Extract<'_, '_, RemovedComponents<'_, '_, TransmittedShadowReceiver>>, Extract<'_, '_, RemovedComponents<'_, '_, NotShadowCaster>>, Extract<'_, '_, RemovedComponents<'_, '_, NoAutomaticBatching>>, Extract<'_, '_, RemovedComponents<'_, '_, NoCpuCulling>>, Extract<'_, '_, RemovedComponents<'_, '_, VisibilityRange>>, Extract<'_, '_, RemovedComponents<'_, '_, SkinnedMesh>>),
    all_meshes_query: Extract<'_, '_, Query<'_, '_, (Entity, Read<ViewVisibility>, Read<GlobalTransform>, Option<Read<PreviousGlobalTransform>>, Option<Read<Lightmap>>, Option<Read<Aabb>>, Read<Mesh3d>, Option<Read<MeshTag>>, (Has<NoFrustumCulling>, Has<NotShadowReceiver>, Has<TransmittedShadowReceiver>, Has<NotShadowCaster>, Has<NoAutomaticBatching>, Has<NoCpuCulling>), Option<Read<VisibilityRange>>, Option<Read<RenderLayers>>)>>,
    removed_meshes_query: Extract<'_, '_, RemovedComponents<'_, '_, Mesh3d>>,
    gpu_culling_query: Extract<'_, '_, Query<'_, '_, (), (With<Camera>, Without<NoIndirectDrawing>)>>,
    meshes_to_reextract_next_frame: ResMut<'_, MeshesToReextractNextFrame>,
    reextract_entities: Local<'_, EntityHashSet>,
    potential_reextraction_set: Local<'_, IndexSet<Entity, EntityHash>>,
    potential_reextraction_bitfield: Local<'_, Vec<AtomicU64>>,
)

Extracts meshes from the main world to thread-local buffers in the render world.

This is optimized to only look at entities that have changed since the last frame.

This is the variant of the system that runs when we’re using GPU MeshUniform building.