There are a couple of projects that improve this (for linux host + linux guest). virgl exposes accelerated graphics to the guest, which chromeOS uses in its off

There are a couple of projects that improve this (for linux host + linux guest). virgl exposes accelerated graphics to the guest, which chromeOS uses in its offering. Intel also has its GVT-g offering which virtualises intel integrated GPUs. Of course, none of this applies to apple.