[Mesa-dev] [PATCH 5/5] i965: Add support for ARB_copy_image

[Jason Ekstrand]

On Fri, Aug 1, 2014 at 7:21 AM, Neil Roberts <neil at linux.intel.com> wrote:

> Jason Ekstrand <jason at jlekstrand.net> writes:
>
> > This, together with the meta path, provides a almost-complete
> > implemetation of ARB_copy_image. The only case that won't work is if
> > one of the textures is compressed and has a pitch greater than
> > INT16_MAX. I think that's good enough to justify turning on the
> > extension.
>
> How hard would it be to add an extra fallback in texstore which maps the
> texture and just memcpys the data? If it's not too tricky it seems like
> that would be worth doing to avoid having mysterious bugs with for
> example very wide floating-point textures.
>

As it turns out, not very hard.  I'll send a follow-up patch.
--Jason


>
> Regards,
> - Neil
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