PREALLOCCOLORS(1X)					    PREALLOCCOLORS(1X)

NAME    [Toc]    [Back]

     preallocColors -  preallocate colors to minimize desktop colormap
     flashing

SYNOPSIS    [Toc]    [Back]

     /usr/lib/desktop/preallocColors

DESCRIPTION    [Toc]    [Back]

     preallocColors is run early in the	login process to preallocate a small
     set of colors used	by the IRIX Interactive	Desktop.  By preallocating
     these colors early	in the login process, it avoids	colormap flashing when
     running GL	programs.

     On	machines with multiple colormaps, where	flashing is not	a problem,
     preallocColors exits immediately, without allocating any colors.  On
     machines with a single colormap, preallocColors will allocate the colors,
     and for a child.  The parent will exit immediately, while the child will
     sleep for several minutes,	holding	the colors.  After that	time, the
     child will	exit.  It is assumed that the IRIX Interactive Desktop will
     start up within that time period to continue holding the colors.  Should
     startup of	the Desktop be delayed,	colormap flashing is possible.

     preallocColors is run from	the file /usr/lib/X11/xdm/Xsession.dt at user
     login.  Users should normally not run this	command	directly.

     For more information about	the entire IRIX	Interactive Desktop
     environment, see the IID(1) man page.


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