Add plane manager to the atomic swap path.

ui/ozone/platform/dri/hardware_display_plane_manager.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_PLANE_MANAGER_H_
+#define UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_PLANE_MANAGER_H_
+
+#include <stddef.h>
+#include <stdint.h>
+#include <xf86drmMode.h>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_vector.h"
+#include "ui/ozone/platform/dri/hardware_display_plane.h"
+#include "ui/ozone/platform/dri/scoped_drm_types.h"
+
+namespace gfx {
+class Rect;
+}

[dnicoara, 2014/07/22 20:48:33]

nit: // namespace gfx

+
+namespace ui {
+
+class DriWrapper;
+
+class HardwareDisplayPlaneManager {
+ public:
+  HardwareDisplayPlaneManager(DriWrapper* drm);
+
+  ~HardwareDisplayPlaneManager();
+
+  bool Initialize();
+
+  const ScopedVector<HardwareDisplayPlane>& get_planes() { return planes_; }
+
+ private:
+  // Object containing the connection to the graphics device and wraps the API
+  // calls to control it.
+  DriWrapper* drm_;
+
+  drmModePropertySetPtr property_set_;
+  ScopedVector<HardwareDisplayPlane> planes_;
+
+  DISALLOW_COPY_AND_ASSIGN(HardwareDisplayPlaneManager);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_PLANE_MANAGER_H_