ubuntu-x-swat team mailing list archive

[Alasdair Allan <384001@xxxxxxxxxxxxxxxxxx>]

Confirmed that this still affects Ubuntu 10.04 Server, forwarding onto a
Mac OS X 10.6 system. However the

% setenv LIBGL_ALWAYS_INDIRECT yes

work around before running the affected application seems to resolve the
problem.

Whereas direct rendering means that application can access the GPU
hardware directly without communication with the X server first via
Mesa, indirect rendering means that the GLX protocol will be used to
transmit OpenGL commands and the X server will do the real drawing.
Direct rendering is faster as it does not require change of context into
X process of course, although in both cases rendering is done on the GPU
if acceleration is present.

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https://bugs.launchpad.net/bugs/384001

Title:
  ssh forwarded glx returns "Error: couldn't find RGB GLX visual or
  fbconfig" against older servers