[Libreoffice-bugs] [Bug 107114] UI not shown after update to 5.3.2

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=107114

--- Comment #9 from V Stuart Foote <vstuart.foote at utsa.edu> ---
(In reply to guido.eli at treofan.com from comment #8)

Sorry, there are 3 "modes", each with or without anti-alaising

-- no Hardware acceleration (all unchecked, CPU does all the work)
-- with Hardware acceleration (calls to GPU are made, just not OpenGL)
-- OpenGL rendered (also hardware accelerated, using OpenGL calls)

Use of OpenGL depends on the graphics driver, but so does using Hardware
acceleration.

> - activating the second option "Ignore OpenGL blacklist" can not be saved,
> it's automatically removed after the LO restart. 

The "ignore blacklist" does little more than bypass the black-list process to
enable the GPUs use of OpenGL including generation of the diagnostic logs
(written to /Users/<username>/AppData/Roaming/LibreOffice/4/cache) 

OpenGL *is* disabled when its check-box is cleared and LibreOffice restarted.

> A switch "Do not use OpenGL rendering at all", to return to the old GDI
> rendering, seams to be the best option to solve the problem on this PC's.

While there is no way to revert to the "old GDI" you could open Expert
Configuration (Tools -> Options -> Advanced) and search for--then edit--the
"TextLayoutEngine" stanza from "new" -> "old".  That might get you functional,
but it is a deadend as that code will be purged at the 5.4 release.

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