https://bugs.kde.org/show_bug.cgi?id=356839

opensuse.lietuviu.ka...@gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |opensuse.lietuviu.kalba@gma
                   |                            |il.com

--- Comment #1 from opensuse.lietuviu.ka...@gmail.com ---
This is known:
KDE Plasma 5 needs OpenGL 2.

Try use Software accelerator instead of hardware:
echo 'QT_XCB_FORCE_SOFTWARE_OPENGL=1' > ~/.bashrc
echo 'LIBGL_ALWAYS_SOFTWARE="true"' > ~/.bashrc

This will add two line in /home/[username]/.bashrc :
QT_XCB_FORCE_SOFTWARE_OPENGL=1
LIBGL_ALWAYS_SOFTWARE="true"

Or you can create /etc/xdg/plasma-workspace/env/plasma-Qt5-OpenGL2.sh file with
content (and make this file executable):

#!/bin/sh
OPENGL_VERSION=`LANG=C glxinfo | grep '^OpenGL version string: ' | head -n 1 |
sed -e 's/^OpenGL version string: \([0-9]\).*$/\1/g'`
if [ "$OPENGL_VERSION" -lt 2 ]; then
  QT_XCB_FORCE_SOFTWARE_OPENGL=1
  export QT_XCB_FORCE_SOFTWARE_OPENGL
fi

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