1. Libreoffice Hardware Acceleration Formulas
2. Libreoffice Hardware Acceleration
3. Libreoffice Hardware Acceleration Greyed Out

1. OpenOffice Portable 4.1.1 also show the exact same symptoms, and disabling Hardware Acceleration also solves the tearing problem. OpenOffice 2.3.1 didn't show the bug however, back then there was no hardware acceleration option though, only 'Use OpenGL' and 'Optimized output' which were both disabled by default.
2. Graphics output – Use hardware acceleration Directly accesses hardware features of the graphical display adapter to improve the screen display. Not supported on all operating systems and LibreOffice distributions. Graphics output – Use anti-aliasing Enables and disables anti-aliasing, which makes the display of most graphical objects look.

The Help menu allows you to start and control the LibreOffice Help system.

LibreOffice's development team is refactoring the core of Calc to take advantage of HSA in AMD's GPUs and APUs (accelerated processing units). LibreOffice's spreadsheet calculations have generally been 'done in a very unfortunate way, with huge amounts of redundant and repetitive work done right inside the most time critical piece,' Meeks said.

LibreOffice Help

Opens the main page of the LibreOffice Help for the current application. You can scroll through the Help pages and you can search for index terms or any text.

LibreOffice Help

What's this

Enables extended help tips under the mouse pointer till the next click.

What's this

Libreoffice Hardware Acceleration Formulas

User Guides

Opens the documentation page in the web browser, where users can download, read or purchase LibreOffice user guides, written by the community.

Get Help Online

Opens the community support page in the web browser. Use this page to ask questions on using LibreOffice. For professional support with service level agreement, refer to the page of professional LibreOffice support.

Send Feedback

Libreoffice Hardware Acceleration

Opens a feedback form in the web browser, where users can report software bugs.

Restart in Safe Mode

Safe mode is a mode where LibreOffice temporarily starts with a fresh user profile and disables hardware acceleration. It helps to restore a non-working LibreOffice instance.

License Information

Displays the Licensing and Legal information dialog.

Libreoffice Hardware Acceleration Greyed Out

LibreOffice Credits

Displays the CREDITS.odt document which lists the names of individuals who have contributed to OpenOffice.org source code (and whose contributions were imported into LibreOffice) or LibreOffice since 2010-09-28.

Check for Updates

Enable an Internet connection for LibreOffice. If you need a Proxy, check the LibreOffice Proxy settings in - Internet. Then choose Check for Updates to check for the availability of a newer version of your office suite.

About LibreOffice

Displays general program information such as version number and copyrights.

LibreOffice Version: 6.1.4.2 Build ID: 1:6.1.4-0ubuntu0.18.10.1~lo1CPU threads: 4; OS: Linux 4.18; UI render: GL; VCL: gtk3; Locale: en-US (en_IL.UTF-8); Calc: group threaded

This is the terminal output:glxinfo | grep OpenGLOpenGL vendor string: Intel Open Source Technology CenterOpenGL renderer string: Mesa DRI Intel(R) HD Graphics 530 (Skylake GT2) OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.2.2OpenGL core profile shading language version string: 4.50OpenGL core profile context flags: (none)OpenGL core profile profile mask: core profileOpenGL core profile extensions:OpenGL version string: 3.0 Mesa 18.2.2OpenGL shading language version string: 1.30OpenGL context flags: (none)OpenGL extensions:OpenGL ES profile version string: OpenGL ES 3.2 Mesa 18.2.2OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20OpenGL ES profile extensions: