[Mesa-dev] Request to revert commit [3d81e11b49366b5636b8524ba0f8c7076e3fdf34] mesa: remove, unnecessary, 'sort by year' for the GL extensions

Ian Romanick idr at freedesktop.org
Thu Sep 20 13:09:16 UTC 2018

On 09/19/2018 11:36 PM, Federico Dossena wrote:
> As most of you are probably aware of, id2 and id3 games store GL
> extensions in a buffer that's too small for modern systems. This usually
> leads to a crash when MESA_EXTENSION_MAX_YEAR is not set, but what the
> creator of this commit didn't know is that some id3 games (the more
> "recent" ones) don't crash, they just truncate the string. As a result
> of this commit, these games can't detect some extensions and therefore
> don't work properly.

It sounds like the problem is still that MESA_EXTENSION_MAX_YEAR is not
set, so why not just set it?  Doesn't that fix the problem?

> I discovered this while trying to figure out why dynamic lights in Star
> Trek Voyager Elite Force (2000) suddenly broke with Mesa 18. I discussed
> this with Ronald Scheidegger, who's been very helpful and helped me
> figure out what was going on.
> Personally, I see nothing wrong with reverting this commit and keeping
> the extensions sorted by year, it doesn't impact performance and it
> doesn't break anything modern. What do you think about it?
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