gl_readscreen, scrsave, icut, snapshot bug

[Brent L. Bates AAD/TAB MS361 x42854]

     We have a 4D/210VGX and a 4D/320VGX both OS 3.3.1.  I have found
a bug in gl_readscreen, which causes scrsave, icut, and snapshot not
to work properly.  If you try to save a full screen width, the full
1280 pixels wide, the image is garbaged with vertical lines. If I make
the image one pixel narrower everything works fine.
     Perhaps, before SGI makes gl_readscreen a "documented" and "supported"
routine, they could fix this bug in the next release, 3.3.2?

	Brent L. Bates
	NASA-Langley Research Center
	M.S. 361
	Hampton, Virginia  23665-5225
	(804) 864-2854
	E-mail: blbates at aero4.larc.nasa.gov or blbates at aero8.larc.nasa.gov
--

					Brent