displayengine/libs/core/strategy_default.h

/*
* Copyright (c) 2014, 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 __STRATEGY_DEFAULT_H__
#define __STRATEGY_DEFAULT_H__

#include <core/display_interface.h>
#include <private/strategy_interface.h>

namespace sde {

class StrategyDefault : public StrategyInterface {
 public:
  StrategyDefault(DisplayType type, const HWResourceInfo &hw_resource_info,
                  const HWPanelInfo &hw_panel_info);
  static DisplayError CreateStrategyInterface(uint16_t version, DisplayType type,
                                              const HWResourceInfo &hw_resource_info,
                                              const HWPanelInfo &hw_panel_info,
                                              StrategyInterface **interface);
  static DisplayError DestroyStrategyInterface(StrategyInterface *interface);

  virtual DisplayError Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts);
  virtual DisplayError GetNextStrategy(StrategyConstraints *constraints);
  virtual DisplayError Stop();

 private:
  bool IsDisplaySplit(uint32_t fb_x_res);
  DisplayType type_;
  HWResourceInfo hw_resource_info_;
  HWPanelInfo hw_panel_info_;
  HWLayersInfo *hw_layers_info_;
  int fb_layer_index_;
};

}  // namespace sde

#endif  // __STRATEGY_DEFAULT_H__