Whats holding ~100% D GUI back?

[Jab]

On Thursday, 28 November 2019 at 15:29:21 UTC, Ethan wrote:
> On Wednesday, 27 November 2019 at 16:06:38 UTC, Gregor Mückl 
> wrote:
>> On Tuesday, 26 November 2019 at 12:15:57 UTC, rikki cattermole 
>> wrote:
>>> - Render pipeline is from AAA games, the only person I trust 
>>> with designing it is Manu
>>
>> I don't understand what you mean by this. A game rendering 
>> pipeline and a desktop UI rendering pipeline are fundamentally 
>> very, very different beasts. One shouldn't be used to emulate 
>> the other as the use cases are far too dissimilar.
>
> Stop saying this. It's thoroughly incorrect. Cripes.
>
> If you think the desktop layout engine introduced in Windows 
> Vista, or even the layout engines used in mobile browsers and 
> current desktop browsers, doesn't have a ton in common with a 
> game rendering pipeline then your knowledge is well outdated.

Do you have any more information on the topic? I remember digging 
through Qt and there are sections that completely avoid the GPU 
all together as it is too inaccurate for the computation that was 
required. Can't recall exactly what it was.