sdm/include/private/strategy_interface.h

/*
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#ifndef __STRATEGY_INTERFACE_H__
#define __STRATEGY_INTERFACE_H__

#include <core/sdm_types.h>
#include <core/display_interface.h>
#include <vector>

#include "hw_info_types.h"

namespace sdm {

struct StrategyConstraints {
  bool safe_mode = false;   //!< In this mode, strategy manager chooses the composition strategy
                            //!< that requires minimum number of pipe for the current frame. i.e.,
                            //!< video only composition, secure only composition or GPU composition

  uint32_t max_layers = kMaxSDELayers;  //!< Maximum number of layers that shall be programmed
                                        //!< on hardware for the given layer stack.
};

class StrategyInterface {
 public:
  virtual DisplayError Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts) = 0;
  virtual DisplayError GetNextStrategy(StrategyConstraints *constraints) = 0;
  virtual DisplayError Stop() = 0;
  virtual DisplayError Reconfigure(const HWPanelInfo &hw_panel_info,
                                   const HWResourceInfo &hw_res_info,
                                   const HWMixerAttributes &mixer_attributes,
                                   const DisplayConfigVariableInfo &fb_config) = 0;
  virtual DisplayError SetCompositionState(LayerComposition composition_type, bool enable) = 0;
  virtual DisplayError Purge() = 0;
  virtual DisplayError SetIdleTimeoutMs(uint32_t active_ms, uint32_t inactive_ms) = 0;
  /* Sets the list of color modes supported on a display */
  virtual DisplayError SetColorModesInfo(const std::vector<PrimariesTransfer> &colormodes_cs) = 0;
  virtual DisplayError SetBlendSpace(const PrimariesTransfer &blend_space) = 0;
  virtual bool CanSkipValidate(bool *needs_buffer_swap) = 0;
  virtual DisplayError SwapBuffers() = 0;

  virtual ~StrategyInterface() { }
};

}  // namespace sdm

#endif  // __STRATEGY_INTERFACE_H__