glxinfo − display info about a GLX extension and OpenGL renderer.
glxinfo [−t] [−v] [−b] [−display displayname]
glxinfo lists information about the GLX extension, OpenGL capable visuals, and the OpenGL renderer on an X server. The GLX and renderer info includes the version and extension attributes. The visual info lists the GLX visual attributes available for each OpenGL capable visual (e.g. whether the visual is double buffered, the component sizes, Z-buffering depth, etc).
Command line options include:
By default the visual info is presented in a concise 80 character wide tabular format. The -t option directs glxinfo to produce a wider, more readable tabular format.
Directs glxinfo to generate a verbose format output style for the visual list similar to the info of xdpyinfo.
Print the ID of the "best" visual on screen 0.
Print interesting OpenGL limits.
Use indirect rendering connection only.
Specify the display to query.
To get the default host, display number, and screen.
Modifications for __xservername__ added by Mark Paton
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