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Date: Thu, 27 Mar 2014 00:33:39 -0700
From: Linda Walsh <cygwin AT tlinx DOT org>
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To: cygwin-xfree AT cygwin DOT com, "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: remote desktop /session bus woes...(was Re: problem with opengl (glxgears) running on cygwin ....)
References: <532AA9AD DOT 4070306 AT tlinx DOT org> <53318D38 DOT 5050409 AT dronecode DOT org DOT uk> <5333C52C DOT 1040602 AT users DOT sourceforge DOT net>
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Yaakov (Cygwin/X) wrote:
> On 2014-03-25 09:05, Jon TURNEY wrote:
>> On 20/03/2014 08:41, Linda Walsh wrote:
>>> When I try to run glxgears locally, it displays the initial gears,
>>> but now they are just frozen.  It doesn't work remotely, either,
>>> which was what I tried initially.  It *used* to work -- remotely
>>> at 20-30 frames/second (as measured by fraps).
>>>
>>> Interestingly enough, I get a glx window, -- fraps will display
>>> 30 (the right number for my screen refresh rate), in the right corner
>>> of the glxgears window... but the gears don't move.
>>
>> Thanks for pointing out this issue.
>>
>> I think that currently glxgears doesn't work very well with the 
>> combination of
>> indirect rendering and vsync-limited buffer swapping, so you are 
>> getting 30
>> fps, but they aren't useful frames.
> 
> This should be fixed in mesa-demos-8.1.0-2.
----
FWIW, I tried another X server...VcXsrv?...
Same with that program.

I tried several, got some that worked, most didn't.

Of the few that worked 'well' remotely, they were variations
on the glgears... got about 400-500 FPS -- and about low 300's MB/s
in bandwidth consumed... that sounds about right... but I think
there are other problem in trying to get a remote desktop to work
now... everything wants to connect to the session bus -- and many progs
won't start if they can't.  So if I can't figure out a way to
get that to work, remote usage is left at a fairly primitive level
despite the high frame rates on a 3"x4" window... ;-)


One of the demo progs said it required opengl 2.1 .. my card has V4.something.
well above 2.1, so that seems like another latent problem.

Will look for the fixed version ...

thanks for the news...

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