PBuffer support on ATI hardware ?

[Alex Deucher]

On Tue, May 4, 2010 at 5:01 PM, Benoit Jacob <jacob.benoit.1 at gmail.com> wrote:
> Hi List,
>
> I just found out that pbuffers don't seem to be supported by either of
> the free drivers ("radeon" and "radeonhd" from git) on my ATI hardware
> (Radeon M92 / HD 4500 series). Namely, glXChooseFBConfig returns NULL
> as soon as I select GLX_PBUFFER_BIT, while of course it returns
> non-null for WINDOW and PIXMAP. I'm not specifying any other
> attribute. This is in spite of GLX_SGIX_pbuffer being present.
>
> Do you confirm that PBuffers aren't currently supported?
>
> If yes, do you have plans to support them soon?

It's a glx change.  You need xserver from git master or 1.9 when it's released.
http://cgit.freedesktop.org/xorg/xserver/commit/?id=1760d2bef9f5b248cb2332f6ebf0220eb02bab42
https://bugs.freedesktop.org/show_bug.cgi?id=24093
https://bugs.freedesktop.org/show_bug.cgi?id=26581

Alex