diff options
| author | Robert Morell <rmorell@nvidia.com> | 2011-03-17 17:56:49 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-08-22 16:51:57 -0700 |
| commit | 6fc41689e062f630e7e369e7114de1704a371492 (patch) | |
| tree | 540972c505789c0d2303cac0c71dd065d909e4e2 /include | |
| parent | 41d4792d6190d73fdce2a0ef7d6de34094a94b3e (diff) | |
video: tegra: Allow fractional input rects
This change makes the input rect for Tegra windows be a 20.12
fixed-point number instead of an integer. This allows software to
specify sub-pixel precision.
bug 818525
Original-Change-Id: I130f63b68159ed896d1113ea537307997875ca40
Signed-off-by: Robert Morell <rmorell@nvidia.com>
Reviewed-on: http://git-master/r/40526
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/video/tegra_dc_ext.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/video/tegra_dc_ext.h b/include/video/tegra_dc_ext.h index 6f43ee689b26..2e89a12add3e 100644 --- a/include/video/tegra_dc_ext.h +++ b/include/video/tegra_dc_ext.h @@ -65,6 +65,10 @@ struct tegra_dc_ext_flip_windowattr { __u32 stride; __u32 stride_uv; __u32 pixformat; + /* + * x, y, w, h are fixed-point: 20 bits of integer (MSB) and 12 bits of + * fractional (LSB) + */ __u32 x; __u32 y; __u32 w; |