[deviantintegral]

Are there any ways to do some sort of upscaling for HiDPI displays? I’ve always wondered what MacOS 8 or 9 would feel like with 2x retina style rendering.

[duskwuff]

> I’ve always wondered what MacOS 8 or 9 would feel like with 2x retina style rendering.

I'm not sure what that would even mean. Most of the UI was drawn from bitmaps - there isn't any higher resolution internal representation of e.g. a window border or a radio button.

[simondotau]

>I'm not sure what that would even mean.

What it would mean is something like hq2x, 2xSaI or similar. These algorithms are popularly for emulation of 8 and 16 bit era games consoles. The example image on this Wikipedia page is illustrative of what's possible with a deterministic algorithm:

https://en.wikipedia.org/wiki/Hqx_(algorithm)

Imagine what could be possible with a well trained neural network, with knowledge of every icon, every element, and every font glyph at every bitmap size.

[rcarmo]

You can set up a Platinum theme on XFCE and have a pretty good analog (that's what I do).

[sintax]

Sounds like an opportunity to shove AI into some more products! :P

[ayaros]

No, but there's an config option to enable integer scaling. It makes things look much crisper on a high DPI display.

[vintagedave]

I’ve wondered the same for classic (pretty, ie Aqua) OS X. I wonder if GPU neural net upscaling as used in video games would be a good way to go.