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Bug 94691 (Impress-OpenGL) - [META] Impress OpenGL transition bugs
Summary: [META] Impress OpenGL transition bugs
Status: NEW
Alias: Impress-OpenGL
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
Version:
(earliest affected)
5.1.0.0.alpha0+ Master
Hardware: Other All
: medium normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
: 98503 (view as bug list)
Depends on: 78703 82319 95479 99138 107639 122737 75715 80448 81055 82797 84416 88229 89011 89090 89419 90897 91583 92018 92184 92734 VCL-OpenGL 94384 96133 96328 96493 96655 97171 98227 98379 98697 98709 98710 103046 103236 104796 113045 114316 116213 116365 116484 116509 117659 118495 131610
Blocks:
  Show dependency treegraph
 
Reported: 2015-10-02 11:04 UTC by Yousuf Philips (jay) (retired)
Modified: 2020-10-11 21:20 UTC (History)
8 users (show)

See Also:
Crash report or crash signature:


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Description Yousuf Philips (jay) (retired) 2015-10-02 11:04:43 UTC
Bug tracker for all OpenGL bugs
Comment 1 pieter kristensen 2015-10-14 11:30:16 UTC Comment hidden (obsolete)
Comment 2 Joel Madero 2015-11-13 04:24:22 UTC Comment hidden (obsolete)
Comment 3 Joel Madero 2015-11-13 04:25:44 UTC Comment hidden (obsolete)
Comment 4 Yousuf Philips (jay) (retired) 2015-11-17 09:23:54 UTC
(In reply to Joel Madero from comment #2)
> How is this not a duplicate meta tracker (see bug 93529)

That meta tracker is focused on stuff in 5.0 and above, while the bugs here are focused on all opengl bugs that were introduced/reported since the fork.
Comment 5 Joel Madero 2015-11-17 15:12:21 UTC Comment hidden (obsolete)
Comment 6 Cor Nouws 2015-11-29 17:58:36 UTC Comment hidden (obsolete)
Comment 7 tommy27 2015-12-08 08:44:24 UTC Comment hidden (obsolete)
Comment 8 Eric 2016-03-07 21:25:54 UTC Comment hidden (obsolete)
Comment 9 Cor Nouws 2016-03-16 15:52:40 UTC Comment hidden (obsolete)
Comment 10 Rafael Lima 2020-08-29 13:48:04 UTC
I have been experiencing flickering transitions for a while in my PC, but today I had an important insight as to what causes it. In summary, it happens only with the VCL-Gtk version of LibreOffice. The video below shows the flickering transition bug happening on my PC.

https://youtu.be/ARcPKZhW2lM

The video was made using Ubuntu 20.04 (Gnome 3.36), thus with VCL-Gtk.

I had to format my PC and installed KDE Neon. After that I installed LibreOffice and took the opportunity to test if the transition bug was still there. And indeed it was still there... but then I noticed that the LibreOffice version installed was the VCL-Gtk one, even though I was on a KDE desktop environment.

Then what I did was uninstall LibreOffice and reinstall it using the libreoffice-kf5 package. After that, I tested the transition bug and it disappeared. All was working fine.

In conclusion, I tested LibreOffice using the same PC, the same DE (KDE Plasma 5.19.4), the same packaging source (the LibreOffice PPA), but I only changed the VCL version from Gtk to Kf5. And it fixed the problem on my computer. Hence, I believe that this may have something to do with the Gtk implementation of LibreOffice.

As a side note, the fade animations work well with VCL-Gtk, whereas transitions are buggy. I'm not sure if this means anything, but I think it is worth mentioning.