[PATCH v3 1/2] console: introduce dpy_gfx_update_full

[Tina Zhang]

dpy_gfx_update_full is used to do the whole display surface update.

This function is proposed by Gerd Hoffmann.

Signed-off-by: Tina Zhang <tina.zhang at intel.com>
---
 include/ui/console.h |  1 +
 ui/console.c         | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/include/ui/console.h b/include/ui/console.h
index 37a8d68..981b519 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -291,6 +291,7 @@ bool dpy_ui_info_supported(QemuConsole *con);
 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info);
 
 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
+void dpy_gfx_update_full(QemuConsole *con);
 void dpy_gfx_replace_surface(QemuConsole *con,
                              DisplaySurface *surface);
 void dpy_text_cursor(QemuConsole *con, int x, int y);
diff --git a/ui/console.c b/ui/console.c
index 3fb2f4e..b02510c 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1574,6 +1574,16 @@ void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
     }
 }
 
+void dpy_gfx_update_full(QemuConsole *con)
+{
+    if (!con->surface) {
+        return;
+    }
+    dpy_gfx_update(con, 0, 0,
+                   surface_width(con->surface),
+                   surface_height(con->surface));
+}
+
 void dpy_gfx_replace_surface(QemuConsole *con,
                              DisplaySurface *surface)
 {
-- 
2.7.4