1 /*
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24 
25 #ifndef __STRATEGY_INTERFACE_H__
26 #define __STRATEGY_INTERFACE_H__
27 
28 #include <core/sdm_types.h>
29 #include <core/display_interface.h>
30 #include "hw_info_types.h"
31 
32 namespace sdm {
33 
34 struct StrategyConstraints {
35   bool safe_mode = false;   //!< In this mode, strategy manager chooses the composition strategy
36                             //!< that requires minimum number of pipe for the current frame. i.e.,
37                             //!< video only composition, secure only composition or GPU composition
38 
39   bool use_cursor = false;  //!< If this is set, strategy manager will configure cursor layer in the
40                             //!< layer stack as hw cursor else it will be treated as a normal layer
41 
42   uint32_t max_layers = kMaxSDELayers;  //!< Maximum number of layers that shall be programmed
43                                         //!< on hardware for the given layer stack.
44 };
45 
46 class StrategyInterface {
47  public:
48   virtual DisplayError Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts) = 0;
49   virtual DisplayError GetNextStrategy(StrategyConstraints *constraints) = 0;
50   virtual DisplayError Stop() = 0;
51   virtual DisplayError Reconfigure(const HWPanelInfo &hw_panel_info,
52                                    const HWResourceInfo &hw_res_info,
53                                    const HWMixerAttributes &mixer_attributes,
54                                    const DisplayConfigVariableInfo &fb_config) = 0;
55   virtual DisplayError SetCompositionState(LayerComposition composition_type, bool enable) = 0;
56   virtual DisplayError Purge() = 0;
57 
58  protected:
~StrategyInterface()59   virtual ~StrategyInterface() { }
60 };
61 
62 }  // namespace sdm
63 
64 #endif  // __STRATEGY_INTERFACE_H__
65 
66