pub(super) fn unlock_external_images(
external_image_handler: Option<&mut Box<dyn ExternalImageHandler>>,
external_images: &mut FastHashMap<DeferredResolveIndex, ExternalTexture>,
deferred_resolves: &[DeferredResolve],
)pub(super) fn unlock_external_images(
external_image_handler: Option<&mut Box<dyn ExternalImageHandler>>,
external_images: &mut FastHashMap<DeferredResolveIndex, ExternalTexture>,
deferred_resolves: &[DeferredResolve],
)