[Mesa-dev] [RFC PATCH 0/3] mesa/main/extensions: approximate feature levels for enabling better

[Eric Anholt]

Benedikt Schemmer <ben at besd.de> writes:

> Most of the extensions are currently either always available or not.
> A mechanism to enable extensions based on the required OpenGL version is already
> in place, its just rarely used.
>
> This might cause problems when an application actually tries to use an extension
> in a context for which the extension was not designed.
>
> Also this prevents extensions that might be problematic when they are always
> enabled, to be enabled in the appropriate context.
>
> Tested with several 64-bit games.

What problem are you trying to solve here?  Exposing extensions is
great, and I want applications to be able to use functionality even when
the spec authors were lazy and decided "I don't want to think about
specifying the negative interactions with older specs," because Mesa
will probably get it right anyway.
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