diff --git a/desktop-shell/shell.c b/desktop-shell/shell.c
index 3445dacec..49a0557f5 100644
--- a/desktop-shell/shell.c
+++ b/desktop-shell/shell.c
@@ -982,7 +982,7 @@ surface_keyboard_focus_lost(struct weston_surface *surface)
 static void
 touch_move_grab_down(struct weston_touch_grab *grab,
 		     const struct timespec *time,
-		     int touch_id, wl_fixed_t x, wl_fixed_t y)
+		     int touch_id, struct weston_coord_global c)
 {
 }
 
@@ -1006,7 +1006,7 @@ touch_move_grab_up(struct weston_touch_grab *grab, const struct timespec *time,
 static void
 touch_move_grab_motion(struct weston_touch_grab *grab,
 		       const struct timespec *time, int touch_id,
-		       wl_fixed_t x, wl_fixed_t y)
+		       struct weston_coord_global unused)
 {
 	struct weston_touch_move_grab *move = (struct weston_touch_move_grab *) grab;
 	struct shell_surface *shsurf = move->base.shsurf;
diff --git a/include/libweston/libweston.h b/include/libweston/libweston.h
index 6fef2902b..bbe26b45a 100644
--- a/include/libweston/libweston.h
+++ b/include/libweston/libweston.h
@@ -668,16 +668,14 @@ struct weston_touch_grab_interface {
 	void (*down)(struct weston_touch_grab *grab,
 			const struct timespec *time,
 			int touch_id,
-			wl_fixed_t sx,
-			wl_fixed_t sy);
+			struct weston_coord_global c);
 	void (*up)(struct weston_touch_grab *grab,
 			const struct timespec *time,
 			int touch_id);
 	void (*motion)(struct weston_touch_grab *grab,
 			const struct timespec *time,
 			int touch_id,
-			wl_fixed_t sx,
-			wl_fixed_t sy);
+			struct weston_coord_global c);
 	void (*frame)(struct weston_touch_grab *grab);
 	void (*cancel)(struct weston_touch_grab *grab);
 };
diff --git a/ivi-shell/hmi-controller.c b/ivi-shell/hmi-controller.c
index 279e24716..ce5f1013c 100644
--- a/ivi-shell/hmi-controller.c
+++ b/ivi-shell/hmi-controller.c
@@ -1712,7 +1712,7 @@ pointer_move_grab_motion(struct weston_pointer_grab *grab,
 static void
 touch_move_grab_motion(struct weston_touch_grab *grab,
 		       const struct timespec *time, int touch_id,
-		       wl_fixed_t x, wl_fixed_t y)
+		       struct weston_coord_global c)
 {
 	struct touch_move_grab *tch_move_grab = (struct touch_move_grab *)grab;
 	struct hmi_controller *hmi_ctrl =
@@ -1748,7 +1748,7 @@ pointer_move_workspace_grab_button(struct weston_pointer_grab *grab,
 static void
 touch_nope_grab_down(struct weston_touch_grab *grab,
 		     const struct timespec *time,
-		     int touch_id, wl_fixed_t sx, wl_fixed_t sy)
+		     int touch_id, struct weston_coord_global c)
 {
 }
 
diff --git a/kiosk-shell/kiosk-shell-grab.c b/kiosk-shell/kiosk-shell-grab.c
index fb68f6b8d..bff706fb3 100644
--- a/kiosk-shell/kiosk-shell-grab.c
+++ b/kiosk-shell/kiosk-shell-grab.c
@@ -133,7 +133,7 @@ static const struct weston_pointer_grab_interface pointer_move_grab_interface =
 static void
 touch_move_grab_down(struct weston_touch_grab *grab,
 		     const struct timespec *time,
-		     int touch_id, wl_fixed_t x, wl_fixed_t y)
+		     int touch_id, struct weston_coord_global c)
 {
 }
 
@@ -154,7 +154,7 @@ touch_move_grab_up(struct weston_touch_grab *touch_grab,
 static void
 touch_move_grab_motion(struct weston_touch_grab *touch_grab,
 		       const struct timespec *time, int touch_id,
-		       wl_fixed_t x, wl_fixed_t y)
+		       struct weston_coord_global unused)
 {
 	struct kiosk_shell_grab *shgrab =
 		container_of(touch_grab, struct kiosk_shell_grab, touch_grab);
diff --git a/libweston/data-device.c b/libweston/data-device.c
index 3abfa9221..1c6698756 100644
--- a/libweston/data-device.c
+++ b/libweston/data-device.c
@@ -753,7 +753,7 @@ static const struct weston_pointer_grab_interface pointer_drag_grab_interface =
 static void
 drag_grab_touch_down(struct weston_touch_grab *grab,
 		     const struct timespec *time, int touch_id,
-		     wl_fixed_t sx, wl_fixed_t sy)
+		     struct weston_coord_global c)
 {
 }
 
@@ -801,7 +801,7 @@ drag_grab_touch_focus(struct weston_touch_drag *drag)
 static void
 drag_grab_touch_motion(struct weston_touch_grab *grab,
 		       const struct timespec *time,
-		       int touch_id, wl_fixed_t x, wl_fixed_t y)
+		       int touch_id, struct weston_coord_global unused)
 {
 	struct weston_touch_drag *touch_drag =
 		container_of(grab, struct weston_touch_drag, grab);
diff --git a/libweston/desktop/seat.c b/libweston/desktop/seat.c
index bc6b310af..ecdeaf178 100644
--- a/libweston/desktop/seat.c
+++ b/libweston/desktop/seat.c
@@ -190,11 +190,8 @@ static void
 weston_desktop_seat_popup_grab_touch_down(struct weston_touch_grab *grab,
 					  const struct timespec *time,
 					  int touch_id,
-					  wl_fixed_t sx, wl_fixed_t sy)
+					  struct weston_coord_global pos)
 {
-	struct weston_coord_global pos;
-
-	pos.c = weston_coord_from_fixed(sx, sy);
 	weston_touch_send_down(grab->touch, time, touch_id, pos);
 }
 
@@ -210,11 +207,8 @@ static void
 weston_desktop_seat_popup_grab_touch_motion(struct weston_touch_grab *grab,
 					    const struct timespec *time,
 					    int touch_id,
-					    wl_fixed_t sx, wl_fixed_t sy)
+					    struct weston_coord_global pos)
 {
-	struct weston_coord_global pos;
-
-	pos.c = weston_coord_from_fixed(sx, sy);
 	weston_touch_send_motion(grab->touch, time, touch_id, pos);
 }
 
diff --git a/libweston/input.c b/libweston/input.c
index eb05fde21..21080f99b 100644
--- a/libweston/input.c
+++ b/libweston/input.c
@@ -874,11 +874,8 @@ weston_touch_send_down(struct weston_touch *touch, const struct timespec *time,
 static void
 default_grab_touch_down(struct weston_touch_grab *grab,
 			const struct timespec *time, int touch_id,
-			wl_fixed_t x, wl_fixed_t y)
+			struct weston_coord_global pos)
 {
-	struct weston_coord_global pos;
-
-	pos.c = weston_coord_from_fixed(x, y);
 	weston_touch_send_down(grab->touch, time, touch_id, pos);
 }
 
@@ -966,11 +963,8 @@ weston_touch_send_motion(struct weston_touch *touch,
 static void
 default_grab_touch_motion(struct weston_touch_grab *grab,
 			  const struct timespec *time, int touch_id,
-			  wl_fixed_t x, wl_fixed_t y)
+			  struct weston_coord_global pos)
 {
-	struct weston_coord_global pos;
-
-	pos.c = weston_coord_from_fixed(x, y);
 	weston_touch_send_motion(grab->touch, time, touch_id, pos);
 }
 
@@ -2878,15 +2872,9 @@ process_touch_normal(struct weston_touch_device *device,
 	struct weston_touch_grab *grab = device->aggregate->grab;
 	struct weston_compositor *ec = device->aggregate->seat->compositor;
 	struct weston_view *ev;
-	wl_fixed_t x, y;
 
-	if (pos) {
-		assert(touch_type != WL_TOUCH_UP);
-		x = wl_fixed_from_double(pos->c.x);
-		y = wl_fixed_from_double(pos->c.y);
-	} else {
-		assert(touch_type == WL_TOUCH_UP);
-	}
+	if (touch_type != WL_TOUCH_UP)
+		assert(pos);
 
 	/* Update grab's global coordinates. */
 	if (touch_id == touch->grab_touch_id && touch_type != WL_TOUCH_UP)
@@ -2912,7 +2900,7 @@ process_touch_normal(struct weston_touch_device *device,
 		weston_compositor_run_touch_binding(ec, touch,
 						    time, touch_type);
 
-		grab->interface->down(grab, time, touch_id, x, y);
+		grab->interface->down(grab, time, touch_id, *pos);
 		if (touch->num_tp == 1) {
 			touch->grab_serial =
 				wl_display_get_serial(ec->wl_display);
@@ -2927,7 +2915,7 @@ process_touch_normal(struct weston_touch_device *device,
 		if (!ev)
 			break;
 
-		grab->interface->motion(grab, time, touch_id, x, y);
+		grab->interface->motion(grab, time, touch_id, *pos);
 		break;
 	case WL_TOUCH_UP:
 		grab->interface->up(grab, time, touch_id);