[Ozone-Dri] Rename DriWrapper to DrmDevice

ui/ozone/platform/dri/dri_wrapper.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_DRI_WRAPPER_H_
-#define UI_OZONE_PLATFORM_DRI_DRI_WRAPPER_H_
-
-#include <stdint.h>
-
-#include <vector>
-
-#include "base/callback.h"
-#include "base/files/file.h"
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_vector.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/rect_f.h"
-#include "ui/gfx/overlay_transform.h"
-#include "ui/ozone/ozone_export.h"
-#include "ui/ozone/platform/dri/hardware_display_plane_manager.h"
-#include "ui/ozone/platform/dri/scoped_drm_types.h"
-
-typedef struct _drmEventContext drmEventContext;
-typedef struct _drmModeModeInfo drmModeModeInfo;
-
-struct SkImageInfo;
-
-namespace base {
-class SingleThreadTaskRunner;
-}  // namespace base
-
-namespace ui {
-
-class HardwareDisplayPlaneManager;
-
-// Wraps DRM calls into a nice interface. Used to provide different
-// implementations of the DRM calls. For the actual implementation the DRM API
-// would be called. In unit tests this interface would be stubbed.
-class OZONE_EXPORT DriWrapper : public base::RefCountedThreadSafe<DriWrapper> {
- public:
-  typedef base::Callback<void(unsigned int /* frame */,
-                              unsigned int /* seconds */,
-                              unsigned int /* useconds */)> PageFlipCallback;
-
-  DriWrapper(const base::FilePath& device_path);
-  DriWrapper(const base::FilePath& device_path, base::File file);
-
-  // Open device.
-  virtual bool Initialize();
-
-  // |task_runner| will be used to asynchronously page flip.
-  virtual void InitializeTaskRunner(
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
-
-  // Get the CRTC state. This is generally used to save state before using the
-  // CRTC. When the user finishes using the CRTC, the user should restore the
-  // CRTC to it's initial state. Use |SetCrtc| to restore the state.
-  virtual ScopedDrmCrtcPtr GetCrtc(uint32_t crtc_id);
-
-  // Used to configure CRTC with ID |crtc_id| to use the connector in
-  // |connectors|. The CRTC will be configured with mode |mode| and will display
-  // the framebuffer with ID |framebuffer|. Before being able to display the
-  // framebuffer, it should be registered with the CRTC using |AddFramebuffer|.
-  virtual bool SetCrtc(uint32_t crtc_id,
-                       uint32_t framebuffer,
-                       std::vector<uint32_t> connectors,
-                       drmModeModeInfo* mode);
-
-  // Used to set a specific configuration to the CRTC. Normally this function
-  // would be called with a CRTC saved state (from |GetCrtc|) to restore it to
-  // its original configuration.
-  virtual bool SetCrtc(drmModeCrtc* crtc, std::vector<uint32_t> connectors);
-
-  virtual bool DisableCrtc(uint32_t crtc_id);
-
-  // Returns the connector properties for |connector_id|.
-  virtual ScopedDrmConnectorPtr GetConnector(uint32_t connector_id);
-
-  // Register a buffer with the CRTC. On successful registration, the CRTC will
-  // assign a framebuffer ID to |framebuffer|.
-  virtual bool AddFramebuffer(uint32_t width,
-                              uint32_t height,
-                              uint8_t depth,
-                              uint8_t bpp,
-                              uint32_t stride,
-                              uint32_t handle,
-                              uint32_t* framebuffer);
-
-  // Deregister the given |framebuffer|.
-  virtual bool RemoveFramebuffer(uint32_t framebuffer);
-
-  // Get the DRM details associated with |framebuffer|.
-  virtual ScopedDrmFramebufferPtr GetFramebuffer(uint32_t framebuffer);
-
-  // Schedules a pageflip for CRTC |crtc_id|. This function will return
-  // immediately. Upon completion of the pageflip event, the CRTC will be
-  // displaying the buffer with ID |framebuffer| and will have a DRM event
-  // queued on |fd_|.
-  virtual bool PageFlip(uint32_t crtc_id,
-                        uint32_t framebuffer,
-                        bool is_sync,
-                        const PageFlipCallback& callback);
-
-  // Schedule an overlay to be show during the page flip for CRTC |crtc_id|.
-  // |source| location from |framebuffer| will be shown on overlay
-  // |overlay_plane|, in the bounds specified by |location| on the screen.
-  virtual bool PageFlipOverlay(uint32_t crtc_id,
-                               uint32_t framebuffer,
-                               const gfx::Rect& location,
-                               const gfx::Rect& source,
-                               int overlay_plane);
-
-  // Returns the property with name |name| associated with |connector|. Returns
-  // NULL if property not found. If the returned value is valid, it must be
-  // released using FreeProperty().
-  virtual ScopedDrmPropertyPtr GetProperty(drmModeConnector* connector,
-                                           const char* name);
-
-  // Sets the value of property with ID |property_id| to |value|. The property
-  // is applied to the connector with ID |connector_id|.
-  virtual bool SetProperty(uint32_t connector_id,
-                           uint32_t property_id,
-                           uint64_t value);
-
-  // Can be used to query device/driver |capability|. Sets the value of
-  // |capability to |value|. Returns true in case of a succesful query.
-  virtual bool GetCapability(uint64_t capability, uint64_t* value);
-
-  // Return a binary blob associated with |connector|. The binary blob is
-  // associated with the property with name |name|. Return NULL if the property
-  // could not be found or if the property does not have a binary blob. If valid
-  // the returned object must be freed using FreePropertyBlob().
-  virtual ScopedDrmPropertyBlobPtr GetPropertyBlob(drmModeConnector* connector,
-                                                   const char* name);
-
-  // Set the cursor to be displayed in CRTC |crtc_id|. (width, height) is the
-  // cursor size pointed by |handle|.
-  virtual bool SetCursor(uint32_t crtc_id,
-                         uint32_t handle,
-                         const gfx::Size& size);
-
-
-  // Move the cursor on CRTC |crtc_id| to (x, y);
-  virtual bool MoveCursor(uint32_t crtc_id, const gfx::Point& point);
-
-  virtual bool CreateDumbBuffer(const SkImageInfo& info,
-                                uint32_t* handle,
-                                uint32_t* stride,
-                                void** pixels);
-
-  virtual void DestroyDumbBuffer(const SkImageInfo& info,
-                                 uint32_t handle,
-                                 uint32_t stride,
-                                 void* pixels);
-
-  // Drm master related
-  virtual bool SetMaster();
-  virtual bool DropMaster();
-
-  int get_fd() const { return file_.GetPlatformFile(); }
-
-  base::FilePath device_path() const { return device_path_; }
-
-  HardwareDisplayPlaneManager* plane_manager() { return plane_manager_.get(); }
-
- protected:
-  friend class base::RefCountedThreadSafe<DriWrapper>;
-
-  virtual ~DriWrapper();
-
-  scoped_ptr<HardwareDisplayPlaneManager> plane_manager_;
-
- private:
-  class IOWatcher;
-
-  // Path to DRM device.
-  const base::FilePath device_path_;
-
-  // DRM device.
-  base::File file_;
-
-  // Helper thread to perform IO listener operations.
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-
-  // Watcher for |fd_| listening for page flip events.
-  scoped_refptr<IOWatcher> watcher_;
-
-  DISALLOW_COPY_AND_ASSIGN(DriWrapper);
-};
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_DRI_DRI_WRAPPER_H_