1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "luminance/rs_luminance_control.h"
17
18 namespace {
19 constexpr float HDR_DEFAULT_TMO_NIT = 1000.0f;
20 }
21
22 namespace OHOS {
23 namespace Rosen {
~RSLuminanceControl()24 RSLuminanceControl::~RSLuminanceControl()
25 {
26 // destructor
27 }
28
SetHdrStatus(ScreenId screenId,bool isHdrOn,int32_t type)29 bool RSLuminanceControl::SetHdrStatus(ScreenId screenId, bool isHdrOn, int32_t type)
30 {
31 // Update HDR status in order to determine brightness.
32 return false;
33 }
34
IsHdrOn(ScreenId screenId)35 bool RSLuminanceControl::IsHdrOn(ScreenId screenId)
36 {
37 return false;
38 }
39
IsDimmingOn(ScreenId screenId)40 bool RSLuminanceControl::IsDimmingOn(ScreenId screenId)
41 {
42 return false;
43 }
44
DimmingIncrease(ScreenId screenId)45 void RSLuminanceControl::DimmingIncrease(ScreenId screenId)
46 {
47 // Update HDR dimming index.
48 }
49
SetSdrLuminance(ScreenId screenId,uint32_t level)50 void RSLuminanceControl::SetSdrLuminance(ScreenId screenId, uint32_t level)
51 {
52 // Update SDR brightness.
53 }
54
GetNewHdrLuminance(ScreenId screenId)55 uint32_t RSLuminanceControl::GetNewHdrLuminance(ScreenId screenId)
56 {
57 return 0;
58 }
59
SetNowHdrLuminance(ScreenId screenId,uint32_t level)60 void RSLuminanceControl::SetNowHdrLuminance(ScreenId screenId, uint32_t level)
61 {
62 // Update HDR brightness after dimming increase.
63 }
64
IsNeedUpdateLuminance(ScreenId screenId)65 bool RSLuminanceControl::IsNeedUpdateLuminance(ScreenId screenId)
66 {
67 return false;
68 }
69
GetHdrTmoNits(ScreenId screenId,int mode)70 float RSLuminanceControl::GetHdrTmoNits(ScreenId screenId, int mode)
71 {
72 return HDR_DEFAULT_TMO_NIT;
73 }
74
GetSdrDisplayNits(ScreenId screenId)75 float RSLuminanceControl::GetSdrDisplayNits(ScreenId screenId)
76 {
77 return HDR_DEFAULT_TMO_NIT;
78 }
79
GetHdrDisplayNits(ScreenId screenId)80 float RSLuminanceControl::GetHdrDisplayNits(ScreenId screenId)
81 {
82 return HDR_DEFAULT_TMO_NIT;
83 }
84
GetDisplayNits(ScreenId screenId)85 float RSLuminanceControl::GetDisplayNits(ScreenId screenId)
86 {
87 return HDR_DEFAULT_TMO_NIT;
88 }
89
GetHdrBrightnessRatio(ScreenId screenId,int mode)90 double RSLuminanceControl::GetHdrBrightnessRatio(ScreenId screenId, int mode)
91 {
92 return 1.0; // 1.0 refers to default value, no need to process.
93 }
94 } // namespace Rosen
95 } // namespace OHOS