[Libreoffice-bugs] [Bug 129816] Impress with OpenGL very slowly loads EMF or ends presentation on mouse click
bugzilla-daemon at bugs.documentfoundation.org
bugzilla-daemon at bugs.documentfoundation.org
Tue Nov 10 09:30:56 UTC 2020
https://bugs.documentfoundation.org/show_bug.cgi?id=129816
--- Comment #8 from Timur <gtimur at gmail.com> ---
Linux Skia 7.1+ with SAL_ENABLESKIA=1 SAL_USE_VCLPLUGIN=gen:
somewhat slow 3rd slide, like 3 secs, but seen.
Linux without OpenGL or Skia, with or without HW ACC: same as with Skia.
I tested also with EMF_PLUS_DISABLE=1 and it's fast so EMF+ is worse here.
Windows Skia 7.1+: to load 3rd slide and to exit presentation, actually it
takes 2 clicks both, I don't know why.
Windows GDI/no Skia and no HW ACC: 3rd slide just takes a second more, so it's
not ideal, but is acceptable.
Windows GDI with HW ACC: 3rd slide takes 10 seconds to load and 6 to exit.
My conclusion:
- load in Lin is same with all options and acceptable, but it's worse with
default EMF+ than without.
- load in Win is very slow with Hardware Acceleration and strange requiring
2-clicks with Skia.
So this should be kept open. I don't have Vulkan.
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