How about a "gdm restart"? That is effectively an X server restart, right?<br><br>Then it's only about switching on and off the hardware, right?<br><br><div class="gmail_quote">On Thu, Jan 15, 2009 at 7:20 PM, Glynn Clements <span dir="ltr"><<a href="mailto:glynn@gclements.plus.com">glynn@gclements.plus.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d"><br>
Stephane Marchesin wrote:<br>
<br>
> and if you want to keep your session in between, we lack<br>
> - X.Org infrastructure to hand a session from a graphics driver to<br>
> another (there are a million of possible problems here)<br>
<br>
</div>Right; like a million display parameters which a client can query, but<br>
for which there is no mechanism to request notification of changes,<br>
and thus are (implicitly) constant over the lifetime of the client.<br>
<br>
I know that the X developers don't consider incompatible changes to be<br>
completely out of the question, but if you're talking about a<br>
particular screen suddenly changing e.g. its glGet* values, I don't<br>
see that happening.<br>
<br>
And I don't think that it's realistic for the server to expose a<br>
single set of parameters for two very different graphics chips.<br>
<br>
It's more realistic to treat this as a traditional multiple-"Screen"<br>
setup, with the ability to enable and disable screens. Obviously,<br>
windows would have to either be opened on the appropriate screen<br>
(programs which need the 3D GPU on the screen which has one), or the<br>
application/toolkit would need to explicitly provide migration.<br>
<font color="#888888"><br>
--<br>
Glynn Clements <<a href="mailto:glynn@gclements.plus.com">glynn@gclements.plus.com</a>><br>
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