Jason Ekstrand <ja...@jlekstrand.net> writes:

> Now that we can create builders with a bigger width than their parent as
> long as it's exec_all, we don't need to create the instruction manually.
> ---
>  src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp 
> b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
> index 79ebb2d..890ddc1 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
> @@ -1358,12 +1358,11 @@ fs_visitor::emit_interpolation_setup_gen6()
>         */
>        fs_reg int_pixel_xy(GRF, alloc.allocate(dispatch_width / 8),
>                            BRW_REGISTER_TYPE_UW);
> -      fs_inst *add =
> -         new (mem_ctx) fs_inst(BRW_OPCODE_ADD, dispatch_width * 2,
> -                               int_pixel_xy,
> -                               fs_reg(stride(suboffset(g1_uw, 4), 1, 4, 0)),
> -                               fs_reg(brw_imm_v(0x11001010)));
> -      abld.exec_all().emit(add);
> +
> +      const fs_builder abld32 = abld.exec_all().group(dispatch_width * 2, 0);

The abld32 name seems misleading because this can actually be a 16 or 32
wide builder depending on dispatch_width.  I suggest "dbld" (d for
double), or just expand the definition in its only user and get rid of
the temporary.  With that fixed:

Reviewed-by: Francisco Jerez <curroje...@riseup.net>

> +      abld32.ADD(int_pixel_xy,
> +                 fs_reg(stride(suboffset(g1_uw, 4), 1, 4, 0)),
> +                 fs_reg(brw_imm_v(0x11001010)));
>  
>        this->pixel_x = vgrf(glsl_type::float_type);
>        this->pixel_y = vgrf(glsl_type::float_type);
> -- 
> 2.4.3
>
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