[Bug 47689] When DirectWrite rendering is enabled in Notepad++ performance is inacceptable

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=47689

--- Comment #7 from Nikolay Sivov <bunglehead at gmail.com> ---
(In reply to KOLANICH from comment #6)
> Now the plugin is not needed and the feature of enabling DirectWrite is in
> npp itself.

Is it starting with Notepad++ 7.8.8? With 5.11 you should see some improvement
in performance, due to cmap access reimplementation. It's possible it's not
enough, and unfortunately last time I tested (with 7.8.6), scintilla dwrite
backend is poorly optimized itself - it using text layout API, which is meant
more for static or rarely updated text, rather than text editors. Basically
what happens is that layout object has to be recreated on every text change,
and they seem to recreate it even more often.

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