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[libvirt] [PULL 11/12] dmabuf: add y0_top, pass it to spice

From: Marc-André Lureau <marcandre lureau redhat com>

Some scanouts during boot are top-down without it.

y0_top is set from VHOST_USER_GPU_DMABUF_SCANOUT code path in the last
patch of this series.

In current QEMU code base, only vfio/display uses dmabuf API. But the
VFIO query interface doesn't provide or need that detail so far.

Signed-off-by: Marc-André Lureau <marcandre lureau redhat com>
Message-Id: <20180713130916 4153-5-marcandre lureau redhat com>
Signed-off-by: Gerd Hoffmann <kraxel redhat com>
 include/ui/console.h | 1 +
 ui/spice-display.c   | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/ui/console.h b/include/ui/console.h
index 981b519dde..fb969caf70 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -186,6 +186,7 @@ struct QemuDmaBuf {
     uint32_t  stride;
     uint32_t  fourcc;
     uint32_t  texture;
+    bool      y0_top;
 typedef struct DisplayChangeListenerOps {
diff --git a/ui/spice-display.c b/ui/spice-display.c
index f1d341091a..e3d0fde77a 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -1056,7 +1056,8 @@ static void qemu_spice_gl_update(DisplayChangeListener *dcl,
             /* note: spice server will close the fd, so hand over a dup */
             spice_qxl_gl_scanout(&ssd->qxl, dup(dmabuf->fd),
                                  dmabuf->width, dmabuf->height,
-                                 dmabuf->stride, dmabuf->fourcc, false);
+                                 dmabuf->stride, dmabuf->fourcc,
+                                 dmabuf->y0_top);
         qemu_spice_gl_monitor_config(ssd, 0, 0, dmabuf->width, dmabuf->height);
         ssd->guest_dmabuf_refresh = false;

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