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

[Neil Roberts]

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.

Regards,
- Neil