1 /*
2 * Copyright (c) 2014 - 2015, 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 HWDisplayAttributes &hw_display_attributes);
38 
39   DisplayError Init();
40   DisplayError Deinit();
41 
42   DisplayError Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts,
43                      bool partial_update_enable);
44   DisplayError GetNextStrategy(StrategyConstraints *constraints);
45   DisplayError Stop();
46 
47  private:
48   void GenerateROI();
49 
50   ExtensionInterface *extension_intf_;
51   StrategyInterface *strategy_intf_ = NULL;
52   PartialUpdateInterface *partial_update_intf_ = NULL;
53   DisplayType display_type_;
54   HWResourceInfo hw_resource_info_;
55   HWPanelInfo hw_panel_info_;
56   HWLayersInfo *hw_layers_info_ = NULL;
57   HWDisplayAttributes hw_display_attributes_;
58   uint32_t fb_layer_index_ = 0;
59   bool extn_start_success_ = false;
60   bool tried_default_ = false;
61 };
62 
63 }  // namespace sdm
64 
65 #endif  // __STRATEGY_H__
66 
67