[Bug 46955] Performance regression after 3.20 in Assetto Corsa

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=46955

--- Comment #12 from Nikolay Sivov <bunglehead at gmail.com> ---
Thank you, that's helpful. Main issue with this path is that
IDWriteFont::HasCharacter() forwards to IDWriteFontFace::HasCharacter(),
creating and destroying temporary fontface for every character. I'll need to
take care of such decoupling first, which is required for several methods.

Reverting original commit makes all fontfaces cached, which in turn means that
every ever accessed font file remains mapped. Depending on number of fonts you
got installed, 32-bit application could potentially run out of memory. Is this
game 32-bit?

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