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 __HWC_DISPLAY_EXTERNAL_H__
26#define __HWC_DISPLAY_EXTERNAL_H__
27
28#include "hwc_display.h"
29
30namespace sdm {
31
32class HWCDisplayExternal : public HWCDisplay {
33 public:
34  static int Create(CoreInterface *core_intf, hwc_procs_t const **hwc_procs, uint32_t primary_width,
35                    uint32_t primary_height, qService::QService *qservice, bool use_primary_res,
36                    HWCDisplay **hwc_display);
37  static int Create(CoreInterface *core_intf, hwc_procs_t const **hwc_procs,
38                    qService::QService *qservice, HWCDisplay **hwc_display);
39  static void Destroy(HWCDisplay *hwc_display);
40  virtual int Prepare(hwc_display_contents_1_t *content_list);
41  virtual int Commit(hwc_display_contents_1_t *content_list);
42  virtual void SetSecureDisplay(bool secure_display_active, bool force_flush);
43  virtual int Perform(uint32_t operation, ...);
44
45 protected:
46  virtual uint32_t RoundToStandardFPS(float fps);
47  virtual void PrepareDynamicRefreshRate(Layer *layer);
48  int drc_enabled_ = 0;
49  int drc_reset_fps_enabled_ = 0;
50
51 private:
52  HWCDisplayExternal(CoreInterface *core_intf, hwc_procs_t const **hwc_procs,
53                     qService::QService *qservice);
54  void ApplyScanAdjustment(hwc_rect_t *display_frame);
55  static void GetDownscaleResolution(uint32_t primary_width, uint32_t primary_height,
56                                     uint32_t *virtual_width, uint32_t *virtual_height);
57  void ForceRefreshRate(uint32_t refresh_rate);
58  uint32_t GetOptimalRefreshRate(bool one_updating_layer);
59};
60
61}  // namespace sdm
62
63#endif  // __HWC_DISPLAY_EXTERNAL_H__
64
65