[satvikpendem]

Good enough doesn't mean optimal, though. Every layer adds a performance penalty and that's how we end up in situations where we have layers and layers of abstraction eventually making all programs slow even on ever increasing hardware.

https://en.wikipedia.org/wiki/Andy_and_Bill's_law

[brnt]

In fact, Windows gamers are using DXVK to reduce overhead.

One needs to realise graphics APIs have historically not been terribly efficient.

[satvikpendem]

How do you know that those graphics APIs have not been efficient?

[brnt]

Benchmarks.

There was a reason Mantle/Vulkan came to be.