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      1 /*
      2 * Copyright (c) 2014 - 2017, The Linux Foundation. All rights reserved.
      3 *
      4 * Redistribution and use in source and binary forms, with or without modification, are permitted
      5 * provided that the following conditions are met:
      6 *    * Redistributions of source code must retain the above copyright notice, this list of
      7 *      conditions and the following disclaimer.
      8 *    * Redistributions in binary form must reproduce the above copyright notice, this list of
      9 *      conditions and the following disclaimer in the documentation and/or other materials provided
     10 *      with the distribution.
     11 *    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
     12 *      endorse or promote products derived from this software without specific prior written
     13 *      permission.
     14 *
     15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     17 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
     18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 */
     24 
     25 #ifndef __STRATEGY_H__
     26 #define __STRATEGY_H__
     27 
     28 #include <core/display_interface.h>
     29 #include <private/extension_interface.h>
     30 #include <core/buffer_allocator.h>
     31 
     32 namespace sdm {
     33 
     34 class Strategy {
     35  public:
     36   Strategy(ExtensionInterface *extension_intf, BufferAllocator *buffer_allocator,
     37            DisplayType type,
     38            const HWResourceInfo &hw_resource_info, const HWPanelInfo &hw_panel_info,
     39            const HWMixerAttributes &mixer_attributes, const HWDisplayAttributes &display_attributes,
     40            const DisplayConfigVariableInfo &fb_config);
     41 
     42   DisplayError Init();
     43   DisplayError Deinit();
     44 
     45   DisplayError Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts,
     46                      const PUConstraints &pu_constraints);
     47   DisplayError GetNextStrategy(StrategyConstraints *constraints);
     48   DisplayError Stop();
     49   DisplayError Reconfigure(const HWPanelInfo &hw_panel_info,
     50                            const HWDisplayAttributes &hw_display_attributes,
     51                            const HWMixerAttributes &mixer_attributes,
     52                            const DisplayConfigVariableInfo &fb_config);
     53   DisplayError SetCompositionState(LayerComposition composition_type, bool enable);
     54   DisplayError Purge();
     55   DisplayError SetIdleTimeoutMs(uint32_t active_ms);
     56 
     57  private:
     58   void GenerateROI();
     59 
     60   ExtensionInterface *extension_intf_ = NULL;
     61   StrategyInterface *strategy_intf_ = NULL;
     62   PartialUpdateInterface *partial_update_intf_ = NULL;
     63   DisplayType display_type_;
     64   HWResourceInfo hw_resource_info_;
     65   HWPanelInfo hw_panel_info_;
     66   HWLayersInfo *hw_layers_info_ = NULL;
     67   HWMixerAttributes mixer_attributes_ = {};
     68   HWDisplayAttributes display_attributes_ = {};
     69   DisplayConfigVariableInfo fb_config_ = {};
     70   bool extn_start_success_ = false;
     71   bool tried_default_ = false;
     72   bool disable_gpu_comp_ = false;
     73   BufferAllocator *buffer_allocator_ = NULL;
     74 };
     75 
     76 }  // namespace sdm
     77 
     78 #endif  // __STRATEGY_H__
     79 
     80