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Re: X hardware acceleration still flaky?

On 08/08/2010 10:18, wrote:
Well, it's been eighteen months since I last asked:

so I attempted to use opengl hardware acceleration with Cygwin and XFree 7.4, using Geomview ( as the test application on an uptodate Cygwin 1.7 install.

Lots of flickering for about thirty seconds (of correct output), but then the X server crashes. So, no visible change over previous. It's still a regression on pre-7.4.

I'm not sure what you were testing here, but I can't see how it could be hardware AIGLX.

xwin-gl is obsolete, an empty package since R7.4 [1], so if you are running that somehow, it must be an old version, which I am surprised works at all.

Alternatively, you are using xwin with software rendering, and your application exposes some bug in the Xserver which makes it crash.

I am happy to work with you to resolve these issues.

Has any work been attempted on improving hardware acceleration in xwin-gl?

Yes, this is something I have been working on in my copious free time(TM):

I hope you'll note that savi is one of the applications I've been testing with.

However, given the lack of response so far, it seems that you and me are the only 2 people interested in working AIGLX for XWin :-)

I wouldn't suggest testing with those binaries at this stage, as I've moved on a bit. I hope to shortly make another test release containing AIGLX based on the upcoming Xserver 1.9, and I would very much appreciate some testing of the AIGLX functionality in that, when it is available.


Volunteer Cygwin/X X Server maintainer

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