On Fri, 2009-10-30 at 11:24 -0700, michal wrote:
>
> +/*
> + * Currently, the following constraints apply.
> + *
> + * - PredSwizzleXYZW is either set to identity or replicate.
> + * - PredSrcIndex is 0.
> + */
Michal,
This is looking a lot better. In terms of the above comment, is this
talking about the semantics of PIPE_CAP_GPU3 ? Or is GPU3 supposed to
do full PredSwizzle/PredSrcIndex, just we haven't implemented it
somewhere (eg in tgsi_exec.c)?
I'd think we want to either:
- remove fields from the token so that the comment isn't necessary,
- remove the comment and have GPU3 mean that the full semantics are
available
- come up with yet another cap bit to say whether or not full predicate
semantics are implemented by a particular driver.
Needless to say I don't like the last option, so I guess that means we
need to decide now whether the full semantics in the token are in or
out.
How does SM3 fall on these issues?
Keith
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