1 /*
2 * Copyright (c) 2014 - 2016, 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 
31 namespace sdm {
32 
33 class Strategy {
34  public:
35   Strategy(ExtensionInterface *extension_intf, DisplayType type,
36            const HWResourceInfo &hw_resource_info, const HWPanelInfo &hw_panel_info,
37            const HWMixerAttributes &mixer_attributes, const HWDisplayAttributes &display_attributes,
38            const DisplayConfigVariableInfo &fb_config);
39 
40   DisplayError Init();
41   DisplayError Deinit();
42 
43   DisplayError Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts,
44                      bool partial_update_enable);
45   DisplayError GetNextStrategy(StrategyConstraints *constraints);
46   DisplayError Stop();
47   DisplayError Reconfigure(const HWPanelInfo &hw_panel_info,
48                            const HWDisplayAttributes &hw_display_attributes,
49                            const HWMixerAttributes &mixer_attributes,
50                            const DisplayConfigVariableInfo &fb_config);
51 
52  private:
53   void GenerateROI();
54 
55   ExtensionInterface *extension_intf_ = NULL;
56   StrategyInterface *strategy_intf_ = NULL;
57   PartialUpdateInterface *partial_update_intf_ = NULL;
58   DisplayType display_type_;
59   HWResourceInfo hw_resource_info_;
60   HWPanelInfo hw_panel_info_;
61   HWLayersInfo *hw_layers_info_ = NULL;
62   HWMixerAttributes mixer_attributes_ = {};
63   HWDisplayAttributes display_attributes_ = {};
64   DisplayConfigVariableInfo fb_config_ = {};
65   uint32_t fb_layer_index_ = 0;
66   bool extn_start_success_ = false;
67   bool tried_default_ = false;
68 };
69 
70 }  // namespace sdm
71 
72 #endif  // __STRATEGY_H__
73 
74