~ >>> inxi -Gxxxz
Graphics:  Device-1: Intel HD Graphics 530 vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:191b
           Device-2: NVIDIA GM107M [GeForce GTX 960M] vendor: Dell driver: nvidia v: 435.17 bus ID: 02:00.0 chip ID: 10de:139b
           Display: x11 server: X.Org 1.20.5 driver: modesetting,nvidia resolution: 1920x1080~60Hz
           OpenGL: renderer: Mesa DRI Intel HD Graphics 530 (Skylake GT2) v: 4.5 Mesa 19.1.4 compat-v: 3.0 direct render: Yes
~ >>> lspci | grep -E "VGA|3D"
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)
02:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)
~ >>> glxinfo | grep -i vendor
server glx vendor string: SGI
client glx vendor string: Mesa Project and SGI
    Vendor: Intel Open Source Technology Center (0x8086)
OpenGL vendor string: Intel Open Source Technology Center
~ >>>
~ >>>
~ >>> glxinfo|grep Open
    Vendor: Intel Open Source Technology Center (0x8086)
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 530 (Skylake GT2)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 19.1.4
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 19.1.4
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 19.1.4
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:
~ >>>