virtio-gpu: Refactor virtio_gpu_set_scanout

Store the meta-data associated with a FB in a new object
(struct virtio_gpu_framebuffer) and pass the object to set_scanout.
Also move code in set_scanout into a do_set_scanout function.
This will be helpful when adding set_scanout_blob API.

Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210526231429.1045476-7-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index 265b1c516c..b83a91a67f 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -59,6 +59,14 @@ struct virtio_gpu_simple_resource {
     QTAILQ_ENTRY(virtio_gpu_simple_resource) next;
 };
 
+struct virtio_gpu_framebuffer {
+    pixman_format_code_t format;
+    uint32_t bytes_pp;
+    uint32_t width, height;
+    uint32_t stride;
+    uint32_t offset;
+};
+
 struct virtio_gpu_scanout {
     QemuConsole *con;
     DisplaySurface *ds;