1/*
2* Copyright (c) 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_NULL_H__
26#define __HWC_DISPLAY_NULL_H__
27
28#include <qdMetaData.h>
29#include <gralloc_priv.h>
30#include "hwc_display.h"
31
32namespace sdm {
33
34class HWCDisplayNull : public HWCDisplay {
35 public:
36  static int Create(CoreInterface *core_intf, hwc_procs_t const **hwc_procs,
37                    HWCDisplay **hwc_display);
38  static void Destroy(HWCDisplay *hwc_display);
39  virtual int Init();
40  virtual int Deinit();
41  virtual int Prepare(hwc_display_contents_1_t *content_list);
42  virtual int Commit(hwc_display_contents_1_t *content_list);
43  virtual int EventControl(int event, int enable) { return 0; }
44  virtual int SetPowerMode(int mode) { return 0; }
45
46  // Framebuffer configurations
47  virtual int GetDisplayConfigs(uint32_t *configs, size_t *num_configs) {
48    return HWCDisplay::GetDisplayConfigs(configs, num_configs);
49  }
50
51  virtual int GetDisplayAttributes(uint32_t config, const uint32_t *display_attributes,
52                                   int32_t *values);
53  virtual int GetActiveConfig() { return 0; }
54  virtual int SetActiveConfig(int index) { return -1; }
55
56  virtual void SetIdleTimeoutMs(uint32_t timeout_ms) { return; }
57  virtual void SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type) { return; }
58  virtual DisplayError SetMaxMixerStages(uint32_t max_mixer_stages) { return kErrorNone; }
59  virtual DisplayError ControlPartialUpdate(bool enable, uint32_t *pending) { return kErrorNone; }
60  virtual uint32_t GetLastPowerMode() { return 0; }
61  virtual int SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels) { return 0; }
62
63  virtual void GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
64    *x_pixels = x_res_;
65    *y_pixels = y_res_;
66  }
67
68  virtual void GetPanelResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
69    *x_pixels = x_res_;
70    *y_pixels = y_res_;
71  }
72
73  virtual int SetDisplayStatus(uint32_t display_status) { return 0; }
74  virtual int OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level) { return 0; }
75  virtual int Perform(uint32_t operation, ...) { return 0; }
76  virtual int SetCursorPosition(int x, int y) { return 0; }
77  virtual void SetSecureDisplay(bool secure_display_active) { return; }
78
79  // Display Configurations
80  virtual int SetActiveDisplayConfig(int config) { return 0; }
81  virtual int GetActiveDisplayConfig(uint32_t *config) { return -1; }
82  virtual int GetDisplayConfigCount(uint32_t *count) { return -1; }
83  virtual int GetDisplayAttributesForConfig(int config,
84                                            DisplayConfigVariableInfo *display_attributes) {
85    return -1;
86  }
87  virtual bool IsValidContentList(hwc_display_contents_1_t *content_list) {
88    return true;
89  }
90
91  void SetResolution(uint32_t x_res, uint32_t y_res) {
92    x_res_ = x_res;
93    y_res_ = y_res;
94  }
95
96
97 private:
98  HWCDisplayNull(CoreInterface *core_intf, hwc_procs_t const **hwc_procs);
99  uint32_t x_res_ = 1920;
100  uint32_t y_res_ = 1080;
101};
102
103}  // namespace sdm
104
105#endif  // __HWC_DISPLAY_NULL_H__
106
107