[Ozone-DRI] Migrate cursor to using ScanoutBuffer

ui/ozone/platform/dri/hardware_display_controller.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_CONTROLLER_H_
 #define UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_CONTROLLER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <xf86drmMode.h>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/ozone/platform/dri/dri_wrapper.h"
 
 namespace gfx {
 class Point;
 }
 
 namespace ui {
 
 class NativePixmap;
+class ScanoutBuffer;
 class ScanoutSurface;
 
 typedef std::vector<scoped_refptr<NativePixmap> > NativePixmapList;
 
 struct OzoneOverlayPlane {
   OzoneOverlayPlane(ScanoutSurface* scanout,
                     int z_order,
                     gfx::OverlayTransform plane_transform,
                     const gfx::Rect& display_bounds,
                     const gfx::RectF& crop_rect);
@@ skipping 108 matching lines @@
   // kernel when a VBlank event finished. This allows the controller to
   // update internal state and propagate the update to the surface.
   // The tuple (seconds, useconds) represents the event timestamp. |seconds|
   // represents the number of seconds while |useconds| represents the
   // microseconds (< 1 second) in the timestamp.
   void OnPageFlipEvent(unsigned int frame,
                        unsigned int seconds,
                        unsigned int useconds);
 
   // Set the hardware cursor to show the contents of |surface|.
-  bool SetCursor(ScanoutSurface* surface);
+  bool SetCursor(scoped_refptr<ScanoutBuffer> buffer);
 
   bool UnsetCursor();
 
   // Moves the hardware cursor to |location|.
   bool MoveCursor(const gfx::Point& location);
 
   const drmModeModeInfo& get_mode() const { return mode_; };
   uint32_t connector_id() const { return connector_id_; }
   uint32_t crtc_id() const { return crtc_id_; }
   ScanoutSurface* surface() const {
@@ skipping 16 matching lines @@
 
   // TODO(dnicoara) Need to allow a CRTC to have multiple connectors.
   uint32_t connector_id_;
 
   uint32_t crtc_id_;
 
   drmModeModeInfo mode_;
 
   scoped_ptr<ScanoutSurface> surface_;
 
+  scoped_refptr<ScanoutBuffer> cursor_buffer_;
+
   uint64_t time_of_last_flip_;
 
   // Keeps track of the CRTC state. If a surface has been bound, then the value
   // is set to false. Otherwise it is true.
   bool is_disabled_;
 
   // Store the state of the CRTC before we took over. Used to restore the CRTC
   // once we no longer need it.
   ScopedDrmCrtcPtr saved_crtc_;
 
   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayController);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_CONTROLLER_H_