GBM Ozone implementation

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/ozone_export.h"
 #include "ui/ozone/platform/dri/dri_wrapper.h"
 
 namespace gfx {
 class Point;
 }
 
 namespace ui {
 
-class DriSurface;
+class ScanoutSurface;
 
 // The HDCOz will handle modesettings and scannout operations for hardware
 // devices.
 //
 // In the DRM world there are 3 components that need to be paired up to be able
 // to display an image to the monitor: CRTC (cathode ray tube controller),
 // encoder and connector. The CRTC determines which framebuffer to read, when
 // to scanout and where to scanout. Encoders converts the stream from the CRTC
 // to the appropriate format for the connector. The connector is the physical
 // connection that monitors connect to.
@@ skipping 48 matching lines @@
 class OZONE_EXPORT HardwareDisplayController
     : public base::SupportsWeakPtr<HardwareDisplayController> {
  public:
   HardwareDisplayController(DriWrapper* drm,
                             uint32_t connector_id,
                             uint32_t crtc_id);
 
   ~HardwareDisplayController();
 
   // Associate the HDCO with a surface implementation and initialize it.
-  bool BindSurfaceToController(scoped_ptr<DriSurface> surface,
+  bool BindSurfaceToController(scoped_ptr<ScanoutSurface> surface,
                                drmModeModeInfo mode);
 
   void UnbindSurfaceFromController();
 
   // Unbinds the surface and disables the CRTC.
   void Disable();
 
   // Schedules the |surface_|'s framebuffer to be displayed on the next vsync
   // event. The event will be posted on the graphics card file descriptor |fd_|
   // and it can be read and processed by |drmHandleEvent|. That function can
@@ skipping 20 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(DriSurface* surface);
+  bool SetCursor(ScanoutSurface* surface);
 
   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_; }
-  DriSurface* surface() const {
+  ScanoutSurface* surface() const {
     return surface_.get();
   };
 
   uint64_t get_time_of_last_flip() const {
     return time_of_last_flip_;
   };
 
  private:
   // Object containing the connection to the graphics device and wraps the API
   // calls to control it.
   DriWrapper* drm_;
 
   // TODO(dnicoara) Need to allow a CRTC to have multiple connectors.
   uint32_t connector_id_;
 
   uint32_t crtc_id_;
 
   // TODO(dnicoara) Need to store all the modes.
   drmModeModeInfo mode_;
 
-  scoped_ptr<DriSurface> surface_;
+  scoped_ptr<ScanoutSurface> surface_;
 
   uint64_t time_of_last_flip_;
 
   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayController);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_CONTROLLER_H_