[Libreoffice-bugs] [Bug 144516] Libreoffice icons / svg

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=144516

--- Comment #11 from V Stuart Foote <vstuart.foote at utsa.edu> ---
(In reply to bugzillolo from comment #7)
> Hello,
> I don't know if I understand your question correctly.
> I did some tests by changing the "skia" settings and I am attaching the
> results.
> I understand that the problem is related to the "skia" setting that if
> activated creates the problem of the background of the icons.

Skia based rendering is the default rendering, the alternative is legacy GDI
based rendering.  Skia has two modes, 1) Vulkan vector graphics support
(replacing OpenGL hardware acceleration); 2) software only raster rendering

You are using the Vulkan mode of Skia. You can change to the software raster
mode by the checkbox 'Forza il rendering del software Skia' and restarting
LibreOffice.  Do the icons clear?

Alternatively, you can disable all Skia rendering. Uncheck 'Usa Skia per tutti
i rendering' and restart LibreOffice.  Restart will be into GDI 'default' mode,
do the icons clear then?

> Before, all this did not happen.
> But what is the importance of this skia approach?

It replaces the poorly supported OpenGL based GPU hardware acceleration of
vector graphics. It also provides improved framework for raster based rendering
compared to legacy default GDI calls. It is being implemented for all supported
operating systems--i.e. it is cross platform

> Do I have to keep it activated or "forced" or in the future will it be
> possible to stay with the standard settings if it was a bug?
> Standard icons are best viewed as graphics when using l.o.

Maybe, although your Intel HD GRaphics 630 GPU should be well supported.
Performance with Skia rendering (either mode) has proven reliable and more
robust than GDI or previous OpenGL based libs. We are not going to revert its
use.  Identifying bugs related to either Vulkan or raster based Skia
implementation is ongoing to improve LibreOffices use of it cross platform.

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