On Mon, 17 Jun 2019 07:05:24 -0700
Alyssa Rosenzweig wrote:
> > +/*
> > + * Note: the first call is here to lower RECT and TXP, the second
> > one
> > + * to lower the TXS(lod) instructions generated by the RECT
> > lowering
> > + * done in the first pass.
> > +
> +/*
> + * Note: the first call is here to lower RECT and TXP, the second one
> + * to lower the TXS(lod) instructions generated by the RECT lowering
> + * done in the first pass.
> + *
> + * FIXME: we should probably have a
> + *
> +
This patch adds support for nir_texop_txs instructions which are needed
to support the OpenGL textureSize() function. This is also needed to
support RECT texture sampling which is currently lowered to 2D sampling +
a TXS() instruction by the nir_lower_tex() helper.
Signed-off-by: Boris Brezillon
