On Fri, Mar 25, 2016 at 7:12 PM, Jason Ekstrand <ja...@jlekstrand.net> wrote:
>
Reviewed-by: Rob Clark <robdcl...@gmail.com>
> ---
> src/compiler/nir/nir_builder.h | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h
> index b245f48..4df79f5 100644
> --- a/src/compiler/nir/nir_builder.h
> +++ b/src/compiler/nir/nir_builder.h
> @@ -305,6 +305,23 @@ nir_swizzle(nir_builder *build, nir_ssa_def *src,
> unsigned swiz[4],
> nir_imov_alu(build, alu_src, num_components);
> }
>
> +/* Selects the right fdot given the number of components in each source. */
> +static inline nir_ssa_def *
> +nir_fdot(nir_builder *build, nir_ssa_def *src0, nir_ssa_def *src1)
> +{
> + assert(src0->num_components == src1->num_components);
> + switch (src0->num_components) {
> + case 1: return nir_fmul(build, src0, src1);
> + case 2: return nir_fdot2(build, src0, src1);
> + case 3: return nir_fdot3(build, src0, src1);
> + case 4: return nir_fdot4(build, src0, src1);
> + default:
> + unreachable("bad component size");
> + }
> +
> + return NULL;
> +}
> +
> static inline nir_ssa_def *
> nir_channel(nir_builder *b, nir_ssa_def *def, unsigned c)
> {
> --
> 2.5.0.400.gff86faf
>
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