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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2015-01-09 11:05:13 +0100 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2017-03-15 15:42:30 +0100 |
| commit | ba2b5277dc52cc96944d9765281bdf1e12681f66 (patch) | |
| tree | 2d7a6e9ec733b1ae310edb76a3598f3b4384d67e /include/uapi/drm | |
| parent | eb8c88808c8307b05ce42e101753cb2518c6d14e (diff) | |
drm: add RGB formats with separate alpha plane
Some hardware can read the alpha components separately and then
conditionally fetch color components only for non-zero alpha values.
This patch adds fourcc definitions for two-plane RGB formats with an
8-bit alpha channel on a second plane.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/drm_fourcc.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index ef20abb8119b..995c8f9c692f 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -114,6 +114,20 @@ extern "C" { #define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */ /* + * 2 plane RGB + A + * index 0 = RGB plane, same format as the corresponding non _A8 format has + * index 1 = A plane, [7:0] A + */ +#define DRM_FORMAT_XRGB8888_A8 fourcc_code('X', 'R', 'A', '8') +#define DRM_FORMAT_XBGR8888_A8 fourcc_code('X', 'B', 'A', '8') +#define DRM_FORMAT_RGBX8888_A8 fourcc_code('R', 'X', 'A', '8') +#define DRM_FORMAT_BGRX8888_A8 fourcc_code('B', 'X', 'A', '8') +#define DRM_FORMAT_RGB888_A8 fourcc_code('R', '8', 'A', '8') +#define DRM_FORMAT_BGR888_A8 fourcc_code('B', '8', 'A', '8') +#define DRM_FORMAT_RGB565_A8 fourcc_code('R', '5', 'A', '8') +#define DRM_FORMAT_BGR565_A8 fourcc_code('B', '5', 'A', '8') + +/* * 2 plane YCbCr * index 0 = Y plane, [7:0] Y * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian |