Gnome shell corruption

[drago01]

On Fri, Apr 8, 2011 at 9:31 PM, Massimo Gengarelli <gengarel at cs.unibo.it> wrote:
> On Fri, 2011-04-08 at 09:02 -0700, Adam Williamson wrote:
>> The reason this is a fallacy is that you haven't established that the
>> level of OpenGL support is the *only* difference between the
>> configurations in question, and it certainly isn't. There are all sorts
>> of others. As Ajax says, it's likely not to do with the exact level of
>> OpenGL support available, it's more likely just a bug in the problematic
>> hardware / driver combo.
>
>
> I strongly hope you're right, but I really think that the bugs I listed
> in my previous mails (especially those related to Mutter) depend on some
> OpenGL's features that are missing.
>
> I'm assuming that because I've experienced the same bugs using Ubuntu's
> new shell (Unity). Unity has some checks for the OpenGL version
> hardcoded, hacking through the code and removing them made the shell
> start up with the same identical bugs (white lights where drop shadows
> should have been, ...).
>
> Digging into the code I discovered that the way Unity draws drop shadows
> around the panels is by using some GL functions that require the
> extension GLX_texture_non_power_of_two to be active.
>
> Mutter suffers the same bugs.
>
>
> More than that, my video card (ATi Radeon 9200 PRO) will never be able
> to use the missing extensions, just because the hardware is way too old.
> I'm not complaining against GNOME developers or Radeon's drivers
> developers, both are doing an excellent work and it's quite normal that
> hardware becomes obsolete after more than 6 years.
>
>
>
>
> Again, I'd really love to be wrong because I'm really missing GNOME
> shell here ;-)

pot_textures aren't are hard requirement so yes you are wrong.