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On Thu, Nov 13, 2008 at 07:12:42PM -0600, Yaakov (Cygwin Ports) wrote:Unfortunately I don't have a linux box to experiment with... :-(There's always http://www.virtualbox.org/ if you want to get a virtual linux system.
Thanks! I setup up VirtualBox, installed Ubuntu 8.10 and set up openssh-server in the VM, and configured the VirtualBox NAT port forwarding per the user manual.
I then logged in with ssh -Y two different times, once from a VT running in a XWin with GLX enabled, and then from a VT in another XWin with GLX manually disabled (-extension GLX). With XWin GLX enabled, glxinfo showed all the correct information, and glxgears worked, albeit *extremely* slowly. With XWin GLX disabled, of course neither worked, giving Xlib errors that GLX extension was not available. Other X11 programs worked in both cases, but interestingly the Ubuntu GTK+ engine was used only on the server with GLX enabled.
So now I'm somewhat reassured that I did the right thing with GLX, although I certainly remain open to further discussion if anyone is having different results, or if there is insight into the speed issue.
$ glxinfo | grep -E "version|vendor|rendering" direct rendering: Yes server glx vendor string: SGI server glx version string: 1.2 client glx vendor string: SGI client glx version string: 1.4 GLX version: 1.2 OpenGL vendor string: Mesa Project OpenGL version string: 2.1 Mesa 7.2 OpenGL shading language version string: 1.10
$ glxinfo | grep -E "version|vendor|rendering" direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose) server glx vendor string: SGI server glx version string: 1.2 client glx vendor string: SGI client glx version string: 1.4 GLX version: 1.2 OpenGL vendor string: OpenGL version string:
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