displayengine/libs/core/hw_rotator_interface.h

/*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted
* provided that the following conditions are met:
*    * Redistributions of source code must retain the above copyright notice, this list of
*      conditions and the following disclaimer.
*    * Redistributions in binary form must reproduce the above copyright notice, this list of
*      conditions and the following disclaimer in the documentation and/or other materials provided
*      with the distribution.
*    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
*      endorse or promote products derived from this software without specific prior written
*      permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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#ifndef __HW_ROTATOR_INTERFACE_H__
#define __HW_ROTATOR_INTERFACE_H__

namespace sde {

class BufferSyncHandler;
struct HWRotateInfo;
struct HWLayers;
struct HWRotatorSession;

class HWRotatorInterface {
 public:
  static DisplayError Create(BufferSyncHandler *buffer_sync_handler, HWRotatorInterface **intf);
  static DisplayError Destroy(HWRotatorInterface *intf);
  virtual DisplayError Open() = 0;
  virtual DisplayError Close() = 0;
  virtual DisplayError OpenSession(HWRotatorSession *hw_rotator_session) = 0;
  virtual DisplayError CloseSession(HWRotatorSession *hw_rotator_session) = 0;
  virtual DisplayError Validate(HWLayers *hw_layers) = 0;
  virtual DisplayError Commit(HWLayers *hw_layers) = 0;

 protected:
  virtual ~HWRotatorInterface() { }
};

}  // namespace sde

#endif  // __HW_ROTATOR_INTERFACE_H__