Mesa (master): st/dri: Add definitions to allow importing 16-bit surfaces

[Leo Liu]

Module: Mesa
Branch: master
Commit: e7f24859ca7e3f14fedaa59c18f4e6452ee423b8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e7f24859ca7e3f14fedaa59c18f4e6452ee423b8

Author: Mark Thompson <sw at jkqxz.net>
Date:   Sun Oct  1 18:39:05 2017 +0100

st/dri: Add definitions to allow importing 16-bit surfaces

Necessary to support P010/P016 surfaces for video.

Signed-off-by: Mark Thompson <sw at jkqxz.net>
Acked-by: Leo Liu <leo.liu at amd.com>

---

 src/gallium/state_trackers/dri/dri2.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index 38e68069f4..e0cd0e0bc7 100644
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -113,6 +113,14 @@ static int convert_fourcc(int format, int *dri_components_p)
       format = __DRI_IMAGE_FORMAT_GR88;
       dri_components = __DRI_IMAGE_COMPONENTS_RG;
       break;
+   case __DRI_IMAGE_FOURCC_R16:
+      format = __DRI_IMAGE_FORMAT_R16;
+      dri_components = __DRI_IMAGE_COMPONENTS_R;
+      break;
+   case __DRI_IMAGE_FOURCC_GR1616:
+      format = __DRI_IMAGE_FORMAT_GR1616;
+      dri_components = __DRI_IMAGE_COMPONENTS_RG;
+      break;
    /*
     * For multi-planar YUV formats, we return the format of the first
     * plane only.  Since there is only one caller which supports multi-
@@ -196,6 +204,12 @@ static enum pipe_format dri2_format_to_pipe_format (int format)
    case __DRI_IMAGE_FORMAT_GR88:
       pf = PIPE_FORMAT_RG88_UNORM;
       break;
+   case __DRI_IMAGE_FORMAT_R16:
+      pf = PIPE_FORMAT_R16_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_GR1616:
+      pf = PIPE_FORMAT_R16G16_UNORM;
+      break;
    default:
       pf = PIPE_FORMAT_NONE;
       break;