I saw this posted on the dmx-devel (dmx.sf.net) ML today. Is anyone
familiar with the GLX proxy work? does it work with the DRI? Could
this be a solution for HW accelerated indirect rendering? what's teh
status of GLX Proxy and DMX? I'm very interested in it; also in
conjunction with DMX.
Thanks,
Alex
------------------------------
Brian,
I think you asked some questions about how GLX proxy
works, I was assuming this was in regard to Cr integration
work. BTW: we now have the Ok to discuss the GLX Proxy work
on the list, so for the uninitiated:
GLXProxy is an X11 extension specifically for DMX. It provides
basic fan-out (and some "fan-in") of the GLX stream to DMX
backside X11 servers with true GLX extensions. It will allow
unmodified OpenGL apps to render into DMX windows via GLX
(obviously with some performance hits). It does not do any
higher level steam interpretation or optimized protocol
transport, like WireGL/Chromium. The code for this extension
has been provided by Guy Zadickario @ sgi (thanks Guy!) and
is currently being integrated into the DMX core. There are
a few gaps in GLX proxy's coverage of OpenGL, but it is fairly
complete, including even glReadPixels().
A key feature of this work is that DMX will be able to
advertise the "GLX" extension. A number of apps do not
use the GLX function for this and instead query the X11
server directly. So, I think the addition of GLX proxy
should fit nicely into the Cr implementation. At a high
level, if Cr is intercepting OpenGL, GLX proxy gets
entirely bypassed, except that an application looking
for GLX in the X11 extension strings, finds one (GLX
Proxy).
Brian, did you have any specific questions on this?
Kevin or I might be able to answer them...
Thanks.
rjf.
Randall Frank | Email: [EMAIL PROTECTED]
Lawrence Livermore National Laboratory | Office: B451 R2039
P.O. Box 808, Mailstop:L-561 | Voice: (925) 423-9399
Livermore, CA 94550 | Fax: (925) 423-8704
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