glxinfo

Show OpenGL information

$ glxinfo

$ glxinfo -B

$ glxinfo | grep "OpenGL"

$ glxinfo | grep "GL_"

$ DISPLAY=:0 glxinfo

$ glxinfo -l

glxinfo [options]

glxinfo displays information about the GLX implementation and OpenGL capabilities of the graphics system. It's useful for diagnosing graphics driver issues and checking hardware capabilities.
The tool queries the X server and graphics driver, reporting OpenGL version, renderer, vendor, and supported extensions.

-B

Brief output (summary only).

Display extended limits.

Verbose output.

Display visual table.

Force indirect rendering.

Specify X display.

Display help.

Requires X server connection. Results depend on driver and configuration. Indirect rendering may show different capabilities. Wayland needs XWayland.

glxinfo is part of the mesa-utils package, associated with the Mesa 3D Graphics Library. Mesa was started by Brian Paul in 1993, and glxinfo has been a standard diagnostic tool for OpenGL on X11 systems since the early days of GLX.

glxgears(1), xdpyinfo(1), vulkaninfo(1), nvidia-smi(1)