Jordan Justen <jordan.l.jus...@intel.com> writes:
> Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com>
Reviewed-by: Kristian Høgsberg <k...@bitplanet.net>
>
> ---
> src/mesa/drivers/dri/i965/brw_cs.cpp | 25 +++++++++++++++++++++++--
> src/mesa/drivers/dri/i965/brw_fs.h | 1 +
> 2 files changed, 24 insertions(+), 2 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_cs.cpp
> b/src/mesa/drivers/dri/i965/brw_cs.cpp
> index 9e51130..3e68327 100644
> --- a/src/mesa/drivers/dri/i965/brw_cs.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_cs.cpp
> @@ -460,8 +460,9 @@ const struct brw_tracked_state brw_cs_state = {
> * Therefore, for SIMD8, we use 3 full registers, and for SIMD16 we use 6
> * registers worth of push constant space.
> *
> - * Note: Any updates to brw_cs_prog_local_id_payload_size or
> - * fill_local_id_payload need to coordinated.
> + * Note: Any updates to brw_cs_prog_local_id_payload_size,
> + * fill_local_id_payload or fs_visitor::emit_cs_local_invocation_id_setup
> need
> + * to coordinated.
> *
> * FINISHME: There are a few easy optimizations to consider.
> *
> @@ -505,6 +506,26 @@ fill_local_id_payload(const struct brw_cs_prog_data
> *cs_prog_data,
> }
>
>
> +fs_reg *
> +fs_visitor::emit_cs_local_invocation_id_setup()
> +{
> + assert(stage == MESA_SHADER_COMPUTE);
> +
> + fs_reg *reg = new(this->mem_ctx) fs_reg(vgrf(glsl_type::uvec3_type));
> +
> + struct brw_reg src =
> + brw_vec8_grf(payload.local_invocation_id_reg, 0);
> + src = retype(src, BRW_REGISTER_TYPE_UD);
> + bld.MOV(*reg, src);
> + src.nr += dispatch_width / 8;
> + bld.MOV(offset(*reg, bld, 1), src);
> + src.nr += dispatch_width / 8;
> + bld.MOV(offset(*reg, bld, 2), src);
> +
> + return reg;
> +}
> +
> +
> /**
> * Creates a region containing the push constants for the CS on gen7+.
> *
> diff --git a/src/mesa/drivers/dri/i965/brw_fs.h
> b/src/mesa/drivers/dri/i965/brw_fs.h
> index b2266b2..1e1974f 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs.h
> +++ b/src/mesa/drivers/dri/i965/brw_fs.h
> @@ -277,6 +277,7 @@ public:
> void emit_fb_writes();
> void emit_urb_writes();
> void emit_cs_terminate();
> + fs_reg *emit_cs_local_invocation_id_setup();
>
> void emit_barrier();
>
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