compositor: Drop weston_surface_to_global()

Just always call weston_surface_to_global_float() instead.

src/compositor.c

@@ -460,17 +460,6 @@ weston_surface_to_global_fixed(struct weston_surface *surface,
 	*y = wl_fixed_from_double(yf);
 }
 
-WL_EXPORT void
-weston_surface_to_global(struct weston_surface *surface,
-			 int32_t sx, int32_t sy, int32_t *x, int32_t *y)
-{
-	GLfloat xf, yf;
-
-	weston_surface_to_global_float(surface, sx, sy, &xf, &yf);
-	*x = floorf(xf);
-	*y = floorf(yf);
-}
-
 static void
 surface_from_global_float(struct weston_surface *surface,
 			  GLfloat x, GLfloat y, GLfloat *sx, GLfloat *sy)

src/compositor.h

@@ -447,9 +447,6 @@ struct weston_surface {
 void
 weston_surface_update_transform(struct weston_surface *surface);
 
-void
-weston_surface_to_global(struct weston_surface *surface,
-			 int32_t sx, int32_t sy, int32_t *x, int32_t *y);
 void
 weston_surface_to_global_fixed(struct weston_surface *surface,
 			       wl_fixed_t sx, wl_fixed_t sy,

src/shell.c

@@ -176,8 +176,8 @@ struct rotate_grab {
 	struct shell_grab base;
 	struct weston_matrix rotation;
 	struct {
-		int32_t x;
+		GLfloat x;
-		int32_t y;
+		GLfloat y;
 	} center;
 };
 
@@ -1896,7 +1896,7 @@ rotate_binding(struct wl_seat *seat, uint32_t time, uint32_t button,
 
 	shell_grab_init(&rotate->base, &rotate_grab_interface, surface);
 
-	weston_surface_to_global(surface->surface,
+	weston_surface_to_global_float(surface->surface,
 				       surface->surface->geometry.width / 2,
 				       surface->surface->geometry.height / 2,
 				       &rotate->center.x, &rotate->center.y);