[Libreoffice-bugs] [Bug 108096] New: [REGRESSION] OpenGL output broken in LO 5.4 (Linux, Intel graphics, Open GL 3.3, Mesa 12)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=108096

            Bug ID: 108096
           Summary: [REGRESSION] OpenGL output broken in LO 5.4 (Linux,
                    Intel graphics, Open GL 3.3, Mesa 12)
           Product: LibreOffice
           Version: 5.3.3.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: graphics stack
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: mikhailnov at dumalogiya.ru

Created attachment 133590
  --> https://bugs.documentfoundation.org/attachment.cgi?id=133590&action=edit
video showing graphical artefacts

$ libreofficedev5.4 --version
LibreOfficeDev 5.4.0.0.alpha1 0b9f9bef65bb21ebb6a64aafad448f7f62dc824a
$ libreoffice --version
LibreOffice 5.3.3.2 30m0(Build:2)

Turned on OpenGL output (did not disable OpenGL blacklist), got severe
artefacts, attach a screencast showing artefacts. Both LO 5.3 and 5.4. Do not
remember this issue with LO 5.1, e.g., but I'm not sure.

$ glxinfo | grep OpenGL
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Desktop 
OpenGL core profile version string: 3.3 (Core Profile) Mesa 12.0.6
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 12.0.6
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 12.0.6
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:


I got a not usable GUI, so, to revert the setting I had to edit
<item oor:path="/org.openoffice.Office.Common/VCL"><prop oor:name="UseOpenGL"
oor:op="fuse"><value>false</value></prop></item>
in ~/.config/libreoffice/4/user/registrymodifications.xcu

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