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