[Mesa-dev] [PATCH 031/133] nir: Add fine and coarse derivative opcodes

[Connor Abbott]

As a future cleanup, would it be worth getting rid of fddx and fddy
entirely and just generating the correct variant based on the
glHint/drirc configuration?

On Tue, Dec 16, 2014 at 1:04 AM, Jason Ekstrand <jason at jlekstrand.net> wrote:
> ---
>  src/glsl/nir/nir_opcodes.h | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/src/glsl/nir/nir_opcodes.h b/src/glsl/nir/nir_opcodes.h
> index bee4bd1..9a7a2ab 100644
> --- a/src/glsl/nir/nir_opcodes.h
> +++ b/src/glsl/nir/nir_opcodes.h
> @@ -111,6 +111,10 @@ UNOP(fcos_reduced, nir_type_float)
>  /*@{*/
>  UNOP(fddx, nir_type_float)
>  UNOP(fddy, nir_type_float)
> +UNOP(fddx_fine, nir_type_float)
> +UNOP(fddy_fine, nir_type_float)
> +UNOP(fddx_coarse, nir_type_float)
> +UNOP(fddy_coarse, nir_type_float)
>  /*@}*/
>
>  /**
> --
> 2.2.0
>
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