[Mesa-dev] [PATCH 1/2] gallium/util: implement util_format_is_yuv
Philipp Zabel
p.zabel at pengutronix.de
Wed Apr 4 08:25:11 UTC 2018
On Thu, 2018-03-29 at 16:15 +0200, Lucas Stach wrote:
> This adds a helper to check if a pipe format is in YUV color space.
> Drivers want to know about this, as YUV mostly needs special handling.
>
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> ---
> src/gallium/auxiliary/util/u_format.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
> index 88bfd72d0538..e497b4b3375a 100644
> --- a/src/gallium/auxiliary/util/u_format.h
> +++ b/src/gallium/auxiliary/util/u_format.h
> @@ -557,6 +557,18 @@ util_format_is_depth_and_stencil(enum pipe_format format)
> util_format_has_stencil(desc);
> }
>
> +static inline boolean
> +util_format_is_yuv(enum pipe_format format)
> +{
> + const struct util_format_description *desc = util_format_description(format);
> +
> + assert(desc);
> + if (!desc) {
> + return FALSE;
> + }
> +
> + return desc->colorspace == UTIL_FORMAT_COLORSPACE_YUV;
> +}
>
> /**
> * Calculates the depth format type based upon the incoming format description.
Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>
regards
Philipp
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