Bug 121722 - [GTK3] Text doesn't render in running ppt slideshows (full screen) if hardware acceleration is enabled.
Summary: [GTK3] Text doesn't render in running ppt slideshows (full screen) if hardwar...
Status: RESOLVED DUPLICATE of bug 121936
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: graphics stack (show other bugs)
Version:
(earliest affected)
6.2.0.0.beta1+
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords: bibisectRequest, regression
Depends on:
Blocks: GTK3
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Reported: 2018-11-26 16:05 UTC by Hussam Al-Tayeb
Modified: 2018-12-06 10:38 UTC (History)
2 users (show)

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Description Hussam Al-Tayeb 2018-11-26 16:05:11 UTC 
Text doesn't render in running ppt slideshows (full screen) if hardware acceleration is enabled.
This is a sample file. https://scholar.harvard.edu/files/torman_personal/files/samplepptx.pptx
If I run it, I only see the background in all slides but no text.
Disabling hardware acceleration fixes this.

Version: 6.2.0.0.beta1+
Build ID: 20(Build:0)
CPU threads: 4; OS: Linux 4.14; UI render: default; VCL: gtk3; 
Locale: en-US (en_US.UTF-8); UI-Language: en-US
Calc: threaded

I am using an NVIDIA 1050ti OC edition card with 410.78 driver.
Comment 1 Drew Jensen 2018-11-26 16:33:26 UTC 
Confirmed problem with Ubuntu 18.04 and LO 6.2Beta1 and 6.3Alpha0
Also that it works as expected with LO 6.2Alpha1

Need to update the local files, but once done will run bibisect for this.
Comment 2 Hussam Al-Tayeb 2018-11-28 17:57:14 UTC 
Hi @caolan. This was verified to happen only in GTK3 and not GTK2. Did some GTK3 related hardware acceleration changes happen in 6.2?
Thank you.
Comment 3 Caolán McNamara 2018-11-29 09:50:44 UTC 
text works fine for me in my local 6-2 build under wayland or with GDK_BACKEND=x11 so I can't reproduce this. Ideally someone who can reproduce it can bisect it.
Comment 4 Drew Jensen 2018-11-29 11:54:11 UTC 
(In reply to Caolán McNamara from comment #3)
> text works fine for me in my local 6-2 build under wayland or with
> GDK_BACKEND=x11 so I can't reproduce this. Ideally someone who can reproduce
> it can bisect it.

That will be a few days then, which is fine, while the 6.2/6.3 bisect repos get worked out.
Comment 5 Caolán McNamara 2018-12-06 10:38:31 UTC 

*** This bug has been marked as a duplicate of bug 121936 ***