On Thu, Dec 14, 2017 at 4:48 PM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
> Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
> ---
> src/amd/common/ac_shader_info.c | 8 ++++++++
> src/amd/common/ac_shader_info.h | 1 +
> 2 files changed, 9 insertions(+)
>
> diff --git a/src/amd/common/ac_shader_info.c b/src/amd/common/ac_shader_info.c
> index 09dd4bbd55..01949770d6 100644
> --- a/src/amd/common/ac_shader_info.c
> +++ b/src/amd/common/ac_shader_info.c
> @@ -45,6 +45,14 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, struct
> ac_shader_info *info)
> case nir_intrinsic_load_num_work_groups:
> info->cs.uses_grid_size = true;
> break;
> + case nir_intrinsic_load_work_group_id: {
> + unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
Nice find that there is an utility function for this.
Reviewed-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>
> + while (mask) {
> + unsigned i = u_bit_scan(&mask);
> + info->cs.uses_block_id[i] = true;
> + }
> + break;
> + }
> case nir_intrinsic_load_sample_id:
> info->ps.force_persample = true;
> break;
> diff --git a/src/amd/common/ac_shader_info.h b/src/amd/common/ac_shader_info.h
> index 3c809cce13..7beefd02ac 100644
> --- a/src/amd/common/ac_shader_info.h
> +++ b/src/amd/common/ac_shader_info.h
> @@ -43,6 +43,7 @@ struct ac_shader_info {
> } ps;
> struct {
> bool uses_grid_size;
> + bool uses_block_id[3];
> } cs;
> };
>
> --
> 2.15.1
>
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