glXGetFBConfigFromVisualSGIX(3G)

NAME
     glXGetFBConfigFromVisualSGIX - return frame buffer configuration that is
     associated with visual


C SPECIFICATION
     GLXFBConfigSGIX glXGetFBConfigFromVisualSGIX( Display *dpy,
                                                   XVisualInfo *vis )


PARAMETERS
     dpy  Specifies the connection to the X server.

     vis  Specifies the visual that defines the frame buffer resources.  It is
          a pointer to an XVisualInfo structure, not a visual ID or a pointer
          to a Visual.


DESCRIPTION
     If vis is a valid XVisualInfo and it has an associated GLX frame buffer
     configuration then a handle to the configuration is returned; otherwise
     NULL is returned.  Use XFree to free the data returned.


NOTES
     glXGetFBConfigFromVisualSGIX is part of the GLX_SGIX_fbconfig extension.

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


ERRORS
     Returns NULL if vis is not a valid XVisualInfo.



SEE ALSO
     glXGetFBConfigAttribSGIX, glXChooseFBConfigSGIX, glXChooseVisual,
     glXGetConfig