Reviewed-by: Iago Toral Quiroga <ito...@igalia.com>
On Tue, 2015-12-01 at 00:19 -0800, Jordan Justen wrote:
> v3:
> * Remove extra #includes (Iago)
> * Use recently added GEN7_BTI_SLM instead of BRW_SLM_SURFACE_INDEX (curro)
>
> Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com>
> Cc: Iago Toral Quiroga <ito...@igalia.com>
> ---
> src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 28 ++++++++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> index 9b50e4e..12a8b59 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> @@ -2444,6 +2444,34 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld,
> nir_intrinsic_instr *instr
> break;
> }
>
> + case nir_intrinsic_load_shared_indirect:
> + has_indirect = true;
> + /* fallthrough */
> + case nir_intrinsic_load_shared: {
> + assert(devinfo->gen >= 7);
> +
> + fs_reg surf_index = brw_imm_ud(GEN7_BTI_SLM);
> +
> + /* Get the offset to read from */
> + fs_reg offset_reg;
> + if (has_indirect) {
> + offset_reg = get_nir_src(instr->src[0]);
> + } else {
> + offset_reg = brw_imm_ud(instr->const_index[0]);
> + }
> +
> + /* Read the vector */
> + fs_reg read_result = emit_untyped_read(bld, surf_index, offset_reg,
> + 1 /* dims */,
> + instr->num_components,
> + BRW_PREDICATE_NONE);
> + read_result.type = dest.type;
> + for (int i = 0; i < instr->num_components; i++)
> + bld.MOV(offset(dest, bld, i), offset(read_result, bld, i));
> +
> + break;
> + }
> +
> case nir_intrinsic_load_input_indirect:
> has_indirect = true;
> /* fallthrough */
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