https://bugs.documentfoundation.org/show_bug.cgi?id=163945

--- Comment #42 from Patrick (volunteer) <[email protected]> ---
(In reply to Seb from comment #41)
> This is sad because it means the resolution to tdf#163734 is causing new
> issues which so far you have not been able to resolve.

Thanks for the testing! I had a feeling that commit
5a38e4f9798c5ff247aa57581adf2671485627fd was at least part of the cause. I was
able to revert that commit and fix tdf#163734 elsewhere in the following patch:

https://gerrit.libreoffice.org/c/core/+/177190

That patch should hopefully restore performance to the same as in LibreOffice
24.8.3.

(In reply to Seb from comment #41)
> Issue E (Impress selection drag box doesn't keep up if status bar enabled):

No need for a separate bug. What I am seeing is that even with the above patch,
Issue E is slow with the status bar displayed. So I disabled drawing of native
controls drawing got significant faster. Not as fast as with Skia/Raster, but
not much slower.

That confirms what is in @Telesto's last Instruments sample: drawing native
controls is very slow with Skia/Metal. So my next step is to see if I can find
any optimizations to the native control drawing code.

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