On Tue, 2011-04-12 at 21:19 +0300, Török Edwin wrote:
> Hi,
> 
> Is there a list of OpenGL features/extensions that Mesa won't implement,
> and should thus be avoided when developing a new OpenGL application? [*]
> 
> I know that S3TC has possible patent issues, and Mesa can't support it
> in the official release.
> Is there anything else in OpenGL 3.x (or OpenGL 4.x for that matter)
> that should be avoided?
> 
> (I thought some forms of floating point textures are an issue, but
> docs/GL3.txt lists it as implemented on a branch, so I'm confused).
> 
> [*] I haven't made up my mind yet if I should develop/test the app with
> the Mesa (r600g driver), or develop it for GL 3.2 core profile, and hope
> that, by the time I finish the app, Mesa catches up on the 3.2
> implementation.

There was supposedly a discussion about this at XDS last year, "OpenGL -
which functions can developers rely on ?", with this conclusion:

        "Alex mentioned that the GL ES 2.0 subset of GL seemed like a
        pretty good guideline, since it seemed to avoid most of the
        problem areas between DX9 and GL 2.x hardware support. There was
        probably more discussed, but that was the main takeaway AFAIK."

From
http://phoronix.com/forums/showthread.php?26121-2010-XDS-Toulouse&p=148682#post148682

-- 
Cheers,
Sven Arvidsson
http://www.whiz.se
PGP Key ID 760BDD22

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