> should have been a library instead of a driver all along This would have required there to be a lower-level interface that different vendors could all implem

> should have been a library instead of a driver all along This would have required there to be a lower-level interface that different vendors could all implement, which was not the case for early graphics hardware. In the decades since graphics hardware has all evolved to look more or less the same to SW (so vulkan became a nice fit), but that wasn't always the case.