On Thu, 9 Jul 2015 01:38:42 -0700
Chad Versace <chad.versace@xxxxxxxxx> wrote:
> The Kodi/XBMC developers want to transcode NV12 to RGB with OpenGL
> shaders, importing the two source planes through
> EGL_EXT_image_dma_buf_import. That requires importing the Y plane as an
> R8 EGLImage and the UV plane as either an RG88 or GR88 EGLImage.
>
> CC: Peter Frühberger <peter.fruehberger@xxxxxxxxx>
> Cc: Rainer Hochecker <rainer.hochecker@xxxxxxxxxxxxx>
> Cc: Benjamin Widawsky <benjamin.widawsky@xxxxxxxxx>
> Signed-off-by: Chad Versace <chad.versace@xxxxxxxxx>
> ---
>
> I recently sent a patch series to mesa-dev that uses these new formats:
> Subject: [PATCH 0/2] egl,i965: Support importing R8 and GR88 dma_bufs as textures
> Date: Thu, 9 Jul 2015 01:17:41 -0700
>
>
> 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 2f295cd..8c5e8b9 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -34,6 +34,13 @@
> /* color index */
> #define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
>
> +/* 8 bpp Red */
> +#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] 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 */
> +
> /* 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 */
Reviewed-by: Pekka Paalanen <pekka.paalanen@xxxxxxxxxxxxxxx>
Thanks,
pq
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