[Mesa-dev] [PATCH v2 17/23] mesa: Add non-normalized formats support for ubyte packing functions

[Jason Ekstrand]

On Mon, Dec 1, 2014 at 3:04 AM, Iago Toral Quiroga <itoral at igalia.com>
wrote:

> From: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
>
> Signed-off-by: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
> ---
>  src/mesa/main/format_pack.c.mako | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/main/format_pack.c.mako
> b/src/mesa/main/format_pack.c.mako
> index 7feb3f8..6815bf3 100644
> --- a/src/mesa/main/format_pack.c.mako
> +++ b/src/mesa/main/format_pack.c.mako
> @@ -83,7 +83,9 @@ pack_ubyte_${f.short_name()}(const GLubyte src[4], void
> *dst)
>        %endif
>
>        ${c.datatype()} ${c.name} =
> -      %if c.type == parser.UNSIGNED:
> +      %if not f.is_normalized() and f.is_int():
> +            (${c.datatype()}) src[${i}];
>

Clamping


> +      %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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