Kenneth Graunke <kenn...@whitecape.org> writes:
> Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
> ---
> src/compiler/nir/nir_lower_io_to_scalar.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/src/compiler/nir/nir_lower_io_to_scalar.c
> b/src/compiler/nir/nir_lower_io_to_scalar.c
> index f2345d5..8be75e4 100644
> --- a/src/compiler/nir/nir_lower_io_to_scalar.c
> +++ b/src/compiler/nir/nir_lower_io_to_scalar.c
> @@ -48,8 +48,10 @@ lower_load_input_to_scalar(nir_builder *b,
> nir_intrinsic_instr *intr)
>
> nir_intrinsic_set_base(chan_intr, nir_intrinsic_base(intr));
> nir_intrinsic_set_component(chan_intr, nir_intrinsic_component(intr) +
> i);
> - /* offset */
> - chan_intr->src[0] = intr->src[0];
> +
> + /* offset and possibly barycentric coordinates */
> + for (int i = 0; i < nir_intrinsic_infos[intr->intrinsic].num_srcs; i++)
> + chan_intr->src[i] = intr->src[i];
>
> nir_builder_instr_insert(b, &chan_intr->instr);
>
> @@ -112,6 +114,7 @@ nir_lower_io_to_scalar(nir_shader *shader,
> nir_variable_mode mask)
>
> switch (intr->intrinsic) {
> case nir_intrinsic_load_input:
> + case nir_intrinsic_load_interpolated_input:
> if (mask & nir_var_shader_in)
> lower_load_input_to_scalar(&b, intr);
> break;
Don't you also need:
if (intr->intrinsic == nir_intrinsic_load_interpolated_input)
nir_intrinsic_set_interp_mode(chan_intr,
nir_intrinsic_interp_mode(intr));
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