glXIsDirect

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. Bool function(Display* dpy, GLXContext context) glXIsDirect;
    version(X11 && SharedX11)
    extern (C) nothrow @nogc __gshared
    Bool function(Display* dpy, GLXContext context) glXIsDirect;
  2. Bool glXIsDirect(Display* dpy, GLXContext context)

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