Problem with Cygwin/X from remote Linux

[Chris Carlson <cwcarlsonc@cox.net>]

I've been using Cygwin on a Windows 7 laptop for a few years as an X
server from my Fedora Linux system.  I "ssh -X" to my Linux system and
run various X programs (thunderbird, chrome, nautilus, etc.) with very
few issues.

Every now and then, I will upgrade Cygwin_64 just to get the latest
changes.  I hope that the few issues I have will be cleared up.  I
believe the one issue I have with Thunderbird may be Thunderbird, not
Cygwin/X.

Anyway, over the past weekend, I upgraded again.  The upgrade seemed to
go well.  No surprises until...

One of the things I've been doing is learning OpenGL.  I'm converting a
sample program that I acquired while working at SGI to OpenGL (it was
written in gl, the original SGI graphics language). For the past few
months, all of my OpenGL programs have worked fine over the network.
Suddenly, with the latest version of Cygwin/X, it doesn't.

     Welcome to the XWin X Server
     Vendor: The Cygwin/X Project
     Release: 1.16.1.0
     OS: CYGWIN_NT-6.1 grover 1.7.32(0.274/5/3) 2014-08-13 23:06 x86_64
     OS: Windows 7 Service Pack 1 [Windows NT 6.1 build 7601] (Win64)
     Package: version 1.16.1-1 built 2014-09-29

     XWin was started with the following command line:

     X :0 -multiwindow

I discovered there are no visuals available to remote X connections that
support OpenGL double buffering.  There used to be, but no longer.
There are visuals available to direct connections, but not for remote.

I tried looking through the FAQ for answers, but I didn't see anything.
Is this something that has intentionally changed?  Where would I find it
if it is (for future reference so I don't bug you)?

Thanks,
Chris Carlson



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