centos man page for glxgetvisualfromfbconfig

GLXGETVISUALFROMFBCO(3G)					   OpenGL Manual					  GLXGETVISUALFROMFBCO(3G)

NAME
       glXGetVisualFromFBConfig - return visual that is associated with the frame buffer configuration

C SPECIFICATION
       XVisualInfo * glXGetVisualFromFBConfig(Display * dpy, GLXFBConfig config);

PARAMETERS
       dpy
	   Specifies the connection to the X server.

       config
	   Specifies the GLX frame buffer configuration.

DESCRIPTION
       If config is a valid GLX frame buffer configuration and it has an associated X Visual, then information describing that visual is returned;
       otherwise NULL is returned. Use XFree to free the data returned.

NOTES
       glXGetVisualFromFBConfig is available only if the GLX version is 1.3 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. If the GLX
       version is 1.3, then the GL version must be 1.2.

       XVisualInfo is defined in Xutil.h.  It is a structure that includes visual, visualID, screen, and depth elements.

ERRORS
       Returns NULL if config is not a valid GLXFBConfig.

SEE ALSO
       glXGetFBConfigAttrib(), glXChooseFBConfig(), glXChooseVisual(), glXGetConfig()

COPYRIGHT
       Copyright (C) 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see
       http://oss.sgi.com/projects/FreeB/.

AUTHORS
       opengl.org

opengl.org							    06/10/2014						  GLXGETVISUALFROMFBCO(3G)