On Tue, Jan 03, 2017 at 08:02:07PM +0100, Rainer Hochecker wrote:
> From: Rainer Hochecker <fernetmenta@xxxxxxxxx>
>
> Now sent with git send-email:
>
> Signed-off-by: Rainer Hochecker <fernetmenta@xxxxxxxxx>
> ---
> include/uapi/drm/drm_fourcc.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index a5890bf..f1ef9cb 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -41,10 +41,17 @@ extern "C" {
> /* 8 bpp Red */
> #define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
>
> +/* 16 bpp Red */
> +#define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R */
> +
> /* 16 bpp RG */
> #define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
> #define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
>
> +/* 32 bpp GR */
> +#define DRM_FORMAT_RG32 fourcc_code('R', 'G', '3', '2') /* [31:0] G:R 16:16 little endian */
> +#define DRM_FORMAT_GR32 fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
Now the define's name is inconsistent, since that would suggest a 5 bpp
format with 3 bits for R and 2 bits for G. I think what we want here for
consistency is _RG16_16 and _GR16_16, along the lines of what Ville
suggested.
Sorry that this is such a bikeshed heaven ;-)
-Daniel
> +
> /* 8 bpp RGB */
> #define DRM_FORMAT_RGB332 fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
> #define DRM_FORMAT_BGR233 fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
> --
> 2.9.3
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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