Bug 119512 - Under some conditions a fade-in of a transparent image can disappear for a fraction of a second when hardware acceleration is enabled
Summary: Under some conditions a fade-in of a transparent image can disappear for a fr...
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
Version:
(earliest affected)
3.6.7.2 release
Hardware: x86-64 (AMD64) Linux (All)
: medium minor
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: Object-Animations
  Show dependency treegraph
 
Reported: 2018-08-26 17:26 UTC by Diogo G. Sousa
Modified: 2024-02-28 12:36 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:


Attachments
presentation (9.14 MB, application/vnd.oasis.opendocument.presentation)
2018-08-26 17:27 UTC, Diogo G. Sousa
Details
bug video (1.24 MB, video/ogg)
2018-08-26 17:28 UTC, Diogo G. Sousa
Details

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Description Diogo G. Sousa 2018-08-26 17:26:59 UTC
Description:
Under some conditions an animated transparent image can disappear for a fraction of a second.  It is not easy to say exactly what conditions are necessary, but it seems related with changed on lower layers. 

See the video attached.  It happens in second 5.8.

Note that this only happens with hardware acceleration enabled.

Steps to Reproduce:
Open the presentation attached.

1. Make sure you have hardware acceleration enabled.
2. Open attached presentation.
3. Enter presentation mode.  Don't do anything, just wait.

Actual Results:
Image disappear for a fraction of a second.

Expected Results:
The image should not disappear momentarily.


Reproducible: Always


User Profile Reset: No


OpenGL enabled: Yes

Additional Info:
Comment 1 Diogo G. Sousa 2018-08-26 17:27:35 UTC
Created attachment 144458 [details]
presentation
Comment 2 Diogo G. Sousa 2018-08-26 17:28:09 UTC
Created attachment 144459 [details]
bug video
Comment 3 Buovjaga 2018-09-20 11:29:57 UTC
Repro, already in 3.6.7 so probably not a regression.

Arch Linux 64-bit
Version: 6.2.0.0.alpha0+
Build ID: 05db125c57ea3c8f04a304561209c32cc5c45a67
CPU threads: 8; OS: Linux 4.18; UI render: default; VCL: gtk3_kde5; 
Locale: fi-FI (fi_FI.UTF-8); Calc: threaded
Built on September 17th 2018
Comment 4 QA Administrators 2019-09-21 03:07:34 UTC Comment hidden (obsolete)
Comment 5 Diogo G. Sousa 2020-02-27 19:02:35 UTC
I confirm that the bug is still reproducible with:

Version: 6.4.1.2
Build ID: 6.4.1-1
CPU threads: 12; OS: Linux 5.4; UI render: default; VCL: gtk3; 
Locale: en-US (en_US.utf8); UI-Language: en-US
Calc: threaded
Comment 6 QA Administrators 2022-02-27 03:28:18 UTC Comment hidden (obsolete)
Comment 7 Diogo G. Sousa 2022-02-27 21:55:26 UTC
This bug is still present and reproducible with the presentation attached.

Version: 7.3.0.3 / LibreOffice Community
Build ID: 30(Build:3)
CPU threads: 12; OS: Linux 5.14; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
7.3.0-5
Calc: threaded
Comment 8 QA Administrators 2024-02-28 03:14:41 UTC Comment hidden (obsolete)
Comment 9 Diogo G. Sousa 2024-02-28 12:36:36 UTC
This bug is still present and reproducible with the presentation attached.

Version: 24.2.0.3 (X86_64) / LibreOffice Community
Build ID: 420(Build:3)
CPU threads: 12; OS: Linux 6.7; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
24.2.0-2
Calc: threaded