Use pixel coordinates for shadow underlay bounds

third_party/wayland-protocols/include/protocol/remote-shell-unstable-v1-server-protocol.h

 /* Generated by wayland-scanner 1.11.0 */
 
 #ifndef REMOTE_SHELL_UNSTABLE_V1_SERVER_PROTOCOL_H
 #define REMOTE_SHELL_UNSTABLE_V1_SERVER_PROTOCOL_H
 
 #include <stdint.h>
 #include <stddef.h>
 #include "wayland-server.h"
 
 #ifdef  __cplusplus
@@ skipping 355 matching lines @@
          *
          * Set a scale factor that will be applied to surface and all
          * descendants.
          */
         void (*set_scale)(struct wl_client *client,
                           struct wl_resource *resource,
                           wl_fixed_t scale);
         /**
          * set a rectangular shadow
          *
-         * Request that surface needs a rectangular shadow.
+         * [Deprecated] Request that surface needs a rectangular shadow.
          *
          * This is only a request that the surface should have a
          * rectangular shadow. The compositor may choose to ignore this
          * request.
          *
          * The arguments are given in the output coordinate space and
          * specifies the inner bounds of the shadow.
          *
          * The arguments are given in the output coordinate space.
          * Specifying zero width and height will disable the shadow.
@@ skipping 165 matching lines @@
         /**
          * interactive move stopped
          *
          * Notifies the compositor when an interactive, user-driven move
          * of the surface stops. The compositor may choose to stop the move
          * regardless of this request.
          * @since 2
          */
         void (*unset_moving)(struct wl_client *client,
                              struct wl_resource *resource);
+        /**
+         * set a rectangular shadow
+         *
+         * Request that surface needs a rectangular shadow.
+         *
+         * This is only a request that the surface should have a
+         * rectangular shadow. The compositor may choose to ignore this
+         * request.
+         *
+         * The arguments are given in the remote surface coordinate space
+         * and specifies inner bounds of the shadow.
+         *
+         * The arguments are given in the remote surface coordinate space.
+         * Specifying zero width and height will disable the shadow.
+         * @since 3
+         */
+        void (*set_rectangular_surface_shadow)(struct wl_client *client,
+                                               struct wl_resource *resource,
+                                               int32_t x,
+                                               int32_t y,
+                                               int32_t width,
+                                               int32_t height);
 };
 
 #define ZCR_REMOTE_SURFACE_V1_CLOSE     0
 #define ZCR_REMOTE_SURFACE_V1_STATE_TYPE_CHANGED        1
 
 /**
  * @ingroup iface_zcr_remote_surface_v1
  */
 #define ZCR_REMOTE_SURFACE_V1_CLOSE_SINCE_VERSION       1
 /**
@@ skipping 36 matching lines @@
         void (*destroy)(struct wl_client *client,
                         struct wl_resource *resource);
 };
 
 
 #ifdef  __cplusplus
 }
 #endif
 
 #endif