[Mesa-dev] [PATCH v3 17/24] mesa: Add non-normalized formats support for ubyte packing functions

[Jason Ekstrand]

Let's squash this in to patch 14.

On Tue, Dec 9, 2014 at 4:07 AM, Iago Toral Quiroga <itoral at igalia.com>
wrote:

> From: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
>
> v2:
> - Add clamping for non-normalized integer formats in pack_ubyte*()
>
> Signed-off-by: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
> ---
>  src/mesa/main/format_pack.py | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/main/format_pack.py b/src/mesa/main/format_pack.py
> index a65a614..afb5011 100644
> --- a/src/mesa/main/format_pack.py
> +++ b/src/mesa/main/format_pack.py
> @@ -88,7 +88,13 @@ pack_ubyte_${f.short_name()}(const GLubyte src[4], void
> *dst)
>        %endif
>
>        ${c.datatype()} ${c.name} =
> -      %if c.type == parser.UNSIGNED:
> +      %if not f.is_normalized() and f.is_int():
> +          %if c.type == parser.SIGNED:
> +              _mesa_unsigned_to_signed(src[${i}], ${c.size});
> +          %else:
> +              _mesa_unsigned_to_unsigned(src[${i}], ${c.size});
> +          %endif
> +      %elif c.type == parser.UNSIGNED:
>           %if f.colorspace == 'srgb' and c.name in 'rgb':
>              util_format_linear_to_srgb_8unorm(src[${i}]);
>           %else:
> --
> 1.9.1
>
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