Re: macOS metal rendering engine in mac port

[Eli Zaretskii]

> From: Aaron Jensen <aaronjensen@gmail.com>
> Date: Thu, 20 May 2021 18:17:18 -0700
> Cc: Alan Third <alan@idiocy.org>,
>  YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
> 
> Inspired by a recent reddit post, I decided to give the emacs macport a try 
> again with its metal rendering
> engine (--with-mac-metal). I'm pleasantly surprised by its performance. It's 
> very usable regardless of my
> window size.
> 
> I'm curious if now might be a good time to consider bringing over at least 
> this rendering engine from the mac
> port and making it a part of Emacs proper. I'm not familiar with all of the 
> reasons for keeping the mac port
> separate so maybe this whole thing is a non-starter, but I wanted to raise it 
> because it's a real quality of life
> improvement on larger/higher dpi screens.

What is the "metal rendering engine", and where can one study what it
does?