[Libreoffice-bugs] [Bug 138219] Libreoffice 7.0.x => Skia Vulkan - Intel HD Graphics 520 problems ( windows 7 SP1 )

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=138219

V Stuart Foote <vstuart.foote at utsa.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #3 from V Stuart Foote <vstuart.foote at utsa.edu> ---
(In reply to Pierre from comment #2)
> Intel HD Graphics 520 drivers version used: 21.20.16.5127 ( Lastest from
> Lenovo site for this Notebook ( L470 i5-6300U ))
> 
> I tried with the lastest Intel ( 21.20.16.5164 ) ( your link ) but same
> problems.
> 

Thanks for testing with updated Win7sp1 suported drivers. 

The Intel HD Graphics 520 GPU *is* capable of Skia Vulkan 1.2 API support,
think we only need 1.1 for full function on LibreOFfice. 

Apparently not with older driver base line still supporting Windows 7sp1--your
hardware would probably support Vulkan rendering with a Windows 10 reload. But
we know that would be painful choice.

> Skia must be disable, so that everything works.

Fortunately Skia is supported fine with that driver, what is not supported is
only the Vulkan rendering engine (as replacement for OpenGL accelerated
rendering).  The denylist process simply disables the Vulkan accelerated vector
rendering. The rendering remains Skia but is done fully with raster.
Alternative rendering (fully disabling Skia lib based rendering) and using GDI
calls remains possible, as does reactivating OpenGL vector rendering.

Anyhow, the action for you and others would be the denylist entry change,
blocking Vulkan use for Intel drivers "less_equal" "0.16.3"

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