https://bugs.documentfoundation.org/show_bug.cgi?id=105863
--- Comment #75 from tone90...@hotmail.com ---
Confirmed on 5.3.7.1 and 5,4.2.2, but I highly doubt it's not merely a problem
for LibreOffice, but a problem caused by both software and hardware.
Symptoms:
On 5.3.7.1, it doesn't flicker, because OpenGL cannot be opened, even if the
graphics card is not in the OpenGL blacklist. However, some font may be
rendered very ugly (possibly due to the lack of OpenGL support).
On 5.4.2.2, OpenGL can be enabled, but it lags very seriously when scrolling
down the document, and the menu apparently flickers. Font rendering is smooth.
I have also reported that with OpenGL enabled, the UI may get blurry, and a
cursor may not click on button properly even if its position is right over the
button.
My computer: Dell XPS15 9550, with Intel i7-6700HQ, 16GB RAM, NVIDIA GTX960M.
All display drivers updated to latest version possible. (I doubt if Dell has
modified the integrated GPU, because the public display driver can't be
installed)
P.S. On another Lenovo Y430P computer, with i5 4210M, NVIDIA GTX850M, version
5.4.2.2, no problem is seen. OpenGL can be enabled and everything runs smoothly
except that UI responds slightly slower.
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