diff --git a/src/backends/meta-monitor-manager-private.h b/src/backends/meta-monitor-manager-private.h
index 1b7efd261..3ba8bcfc9 100644
--- a/src/backends/meta-monitor-manager-private.h
+++ b/src/backends/meta-monitor-manager-private.h
@@ -31,6 +31,7 @@
 #include "backends/meta-cursor.h"
 #include "backends/meta-display-config-shared.h"
 #include "backends/meta-monitor-transform.h"
+#include "backends/meta-viewport-info.h"
 #include "core/util-private.h"
 #include "meta/display.h"
 #include "meta/meta-monitor-manager.h"
@@ -405,4 +406,6 @@ meta_find_output_assignment (MetaOutputAssignment **outputs,
   return NULL;
 }
 
+MetaViewportInfo * meta_monitor_manager_get_viewports (MetaMonitorManager *manager);
+
 #endif /* META_MONITOR_MANAGER_PRIVATE_H */
diff --git a/src/backends/meta-monitor-manager.c b/src/backends/meta-monitor-manager.c
index a519442f3..b9879abdf 100644
--- a/src/backends/meta-monitor-manager.c
+++ b/src/backends/meta-monitor-manager.c
@@ -3175,3 +3175,37 @@ meta_monitor_manager_get_vendor_name (MetaMonitorManager *manager,
 
   return gnome_pnp_ids_get_pnp_id (manager->pnp_ids, vendor);
 }
+
+MetaViewportInfo *
+meta_monitor_manager_get_viewports (MetaMonitorManager *manager)
+{
+  MetaViewportInfo *info;
+  GArray *views, *scales;
+  GList *logical_monitors, *l;
+
+  views = g_array_new (FALSE, FALSE, sizeof (cairo_rectangle_int_t));
+  scales = g_array_new (FALSE, FALSE, sizeof (float));
+
+  logical_monitors = meta_monitor_manager_get_logical_monitors (manager);
+
+  for (l = logical_monitors; l; l = l->next)
+    {
+      MetaLogicalMonitor *logical_monitor = l->data;
+      cairo_rectangle_int_t rect;
+      float scale;
+
+      rect = logical_monitor->rect;
+      g_array_append_val (views, rect);
+
+      scale = logical_monitor->scale;
+      g_array_append_val (scales, scale);
+    }
+
+  info = meta_viewport_info_new ((cairo_rectangle_int_t *) views->data,
+                                 (float *) scales->data,
+                                 views->len);
+  g_array_unref (views);
+  g_array_unref (scales);
+
+  return info;
+}
diff --git a/src/backends/meta-viewport-info.c b/src/backends/meta-viewport-info.c
new file mode 100644
index 000000000..0e50dcbfe
--- /dev/null
+++ b/src/backends/meta-viewport-info.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2020 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Carlos Garnacho <carlosg@gnome.org>
+ */
+
+#include "config.h"
+
+#include "meta-viewport-info.h"
+#include "core/main-private.h"
+#include "core/boxes-private.h"
+
+typedef struct _ViewInfo ViewInfo;
+
+struct _ViewInfo
+{
+  cairo_rectangle_int_t rect;
+  float scale;
+};
+
+struct _MetaViewportInfo
+{
+  GObject parent_class;
+  GArray *views;
+};
+
+G_DEFINE_TYPE (MetaViewportInfo, meta_viewport_info, G_TYPE_OBJECT)
+
+static void
+meta_viewport_info_finalize (GObject *object)
+{
+  MetaViewportInfo *info = META_VIEWPORT_INFO (object);
+
+  g_array_unref (info->views);
+
+  G_OBJECT_CLASS (meta_viewport_info_parent_class)->finalize (object);
+}
+
+static void
+meta_viewport_info_class_init (MetaViewportInfoClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = meta_viewport_info_finalize;
+}
+
+static void
+meta_viewport_info_init (MetaViewportInfo *info)
+{
+  info->views = g_array_new (FALSE, FALSE, sizeof (ViewInfo));
+}
+
+MetaViewportInfo *
+meta_viewport_info_new (cairo_rectangle_int_t *views,
+                        float                 *scales,
+                        guint                  n_views)
+{
+  MetaViewportInfo *viewport_info;
+  int i;
+
+  viewport_info = g_object_new (META_TYPE_VIEWPORT_INFO, NULL);
+
+  for (i = 0; i < n_views; i++)
+    {
+      ViewInfo info;
+
+      info.rect = views[i];
+      info.scale = scales[i];
+      g_array_append_val (viewport_info->views, info);
+    }
+
+  return viewport_info;
+}
+
+int
+meta_viewport_info_get_view_at (MetaViewportInfo *viewport_info,
+                                float             x,
+                                float             y)
+{
+  int i;
+
+  for (i = 0; i < viewport_info->views->len; i++)
+    {
+      ViewInfo *info = &g_array_index (viewport_info->views, ViewInfo, i);
+
+      if (META_POINT_IN_RECT (x, y, info->rect))
+        return i;
+    }
+
+  return -1;
+}
+
+gboolean
+meta_viewport_info_get_view (MetaViewportInfo      *viewport_info,
+                             int                    idx,
+                             cairo_rectangle_int_t *rect,
+                             float                 *scale)
+{
+  ViewInfo *info;
+
+  if (idx < 0 || idx >= viewport_info->views->len)
+    return FALSE;
+
+  info = &g_array_index (viewport_info->views, ViewInfo, idx);
+  if (rect)
+    *rect = info->rect;
+  if (scale)
+    *scale = info->scale;
+
+  return TRUE;
+}
+
+static gboolean
+view_has_neighbor (cairo_rectangle_int_t *view,
+                   cairo_rectangle_int_t *neighbor,
+                   MetaDisplayDirection   neighbor_direction)
+{
+  switch (neighbor_direction)
+    {
+    case META_DISPLAY_RIGHT:
+      if (neighbor->x == (view->x + view->width) &&
+          meta_rectangle_vert_overlap (neighbor, view))
+        return TRUE;
+      break;
+    case META_DISPLAY_LEFT:
+      if (view->x == (neighbor->x + neighbor->width) &&
+          meta_rectangle_vert_overlap (neighbor, view))
+        return TRUE;
+      break;
+    case META_DISPLAY_UP:
+      if (view->y == (neighbor->y + neighbor->height) &&
+          meta_rectangle_horiz_overlap (neighbor, view))
+        return TRUE;
+      break;
+    case META_DISPLAY_DOWN:
+      if (neighbor->y == (view->y + view->height) &&
+          meta_rectangle_horiz_overlap (neighbor, view))
+        return TRUE;
+      break;
+    }
+
+  return FALSE;
+}
+
+int
+meta_viewport_info_get_neighbor (MetaViewportInfo     *viewport_info,
+                                 int                   idx,
+                                 MetaDisplayDirection  direction)
+{
+  cairo_rectangle_int_t rect;
+  int i;
+
+  if (!meta_viewport_info_get_view (viewport_info, idx, &rect, NULL))
+    return -1;
+
+  for (i = 0; i < viewport_info->views->len; i++)
+    {
+      ViewInfo *info = &g_array_index (viewport_info->views, ViewInfo, i);
+
+      if (idx == i)
+        continue;
+      if (view_has_neighbor (&rect, &info->rect, direction))
+        return i;
+    }
+
+  return -1;
+}
+
+int
+meta_viewport_info_get_num_views (MetaViewportInfo *info)
+{
+  return info->views->len;
+}
diff --git a/src/backends/meta-viewport-info.h b/src/backends/meta-viewport-info.h
new file mode 100644
index 000000000..c9a881869
--- /dev/null
+++ b/src/backends/meta-viewport-info.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2020 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Carlos Garnacho <carlosg@gnome.org>
+ */
+
+#ifndef META_VIEWPORT_INFO_H
+#define META_VIEWPORT_INFO_H
+
+#include <cairo.h>
+#include <glib-object.h>
+
+#include "meta/display.h"
+
+#define META_TYPE_VIEWPORT_INFO (meta_viewport_info_get_type ())
+G_DECLARE_FINAL_TYPE (MetaViewportInfo, meta_viewport_info,
+                      META, VIEWPORT_INFO, GObject)
+
+MetaViewportInfo * meta_viewport_info_new (cairo_rectangle_int_t *views,
+                                           float                 *scales,
+                                           guint                  n_views);
+
+int meta_viewport_info_get_view_at (MetaViewportInfo *info,
+                                    float             x,
+                                    float             y);
+
+gboolean meta_viewport_info_get_view (MetaViewportInfo      *viewport_info,
+                                      int                    idx,
+                                      cairo_rectangle_int_t *rect,
+                                      float                 *scale);
+
+int meta_viewport_info_get_neighbor (MetaViewportInfo     *info,
+                                     int                   idx,
+                                     MetaDisplayDirection  direction);
+int meta_viewport_info_get_num_views (MetaViewportInfo *info);
+
+#endif /* META_VIEWPORT_INFO_H */
diff --git a/src/meson.build b/src/meson.build
index 9e7f48e17..b24f12d9c 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -233,6 +233,8 @@ mutter_sources = [
   'backends/meta-settings-private.h',
   'backends/meta-stage.c',
   'backends/meta-stage-private.h',
+  'backends/meta-viewport-info.c',
+  'backends/meta-viewport-info.h',
   'backends/x11/cm/meta-backend-x11-cm.c',
   'backends/x11/cm/meta-backend-x11-cm.h',
   'backends/x11/cm/meta-cursor-sprite-xfixes.c',