hwc: add hwc_window_get_info at backend function

Change-Id: Ia117ec0acb961611175a86d421032326f07902a9

diff --git a/include/tdm_backend.h b/include/tdm_backend.h
index e424110..cbd8a82 100644 (file)
--- a/include/tdm_backend.h
+++ b/include/tdm_backend.h
@@ -910,6 +910,15 @@ typedef struct _tdm_func_window {
                                                                         tdm_hwc_window_info *info);
 
        /**
+        * @brief Get the geometry information to a layer object
+        * @param[in] layer A layer object
+        * @param[out] info The geometry information
+        * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+        */
+       tdm_error (*hwc_window_get_info)(tdm_hwc_window *hwc_window,
+                                                                        tdm_hwc_window_info *info);
+
+       /**
         * @brief Set a TDM buffer to a window object
         * @details A TDM buffer will be applied when the output object
         * of a layer object is committed.