glxgetclientstring(3G)



glXGetClientString(3G)      OpenGL Reference - GLX      glXGetClientString(3G)



NAME
     glXGetClientString - return a string describing the client


C SPECIFICATION
     const char * glXGetClientString( Display *dpy,
                                      int name )


PARAMETERS
     dpy   Specifies the connection to the X server.

     name  Specifies which string is returned.  One of GLXVENDOR,
           GLXVERSION, or GLXEXTENSIONS.

DESCRIPTION
     glXGetClientString returns a string describing some aspect of the client
     library. The possible values for name are GLXVENDOR, GLXVERSION, and
     GLXEXTENSIONS.  If name is not set to one of these values,
     glXGetClientString returns NULL.  The format and contents of the vendor
     string is implementation dependent.

     The extensions string is null-terminated and contains a space-separated
     list of extension names. (The extension names never contain spaces.) If
     there are no extensions to GLX, then the empty string is returned.

     The version string is laid out as follows:

              <major_version.minor_version><space><vendor-specific info>

     Both the major and minor portions of the version number are of arbitrary
     length.  The vendor-specific information is optional.  However, if it is
     present, the format and contents are implementation specific.


NOTES
     glXGetClientString is available only if the GLX version is 1.1 or
     greater.

     If the GLX version is 1.1 or 1.0, the GL version must be 1.0. If the GLX
     version is 1.2, then the GL version must be 1.1.

     glXGetClientString only returns information about GLX extensions
     supported by the client. Call glGetString to get a list of GL extensions
     supported by the server.


SEE ALSO
     glXQueryVersion, glXQueryExtensionsString, glXQueryServeryString






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