Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #pragma once |
| 18 | |
Dominik Laskowski | 9804183 | 2019-08-01 18:35:59 -0700 | [diff] [blame] | 19 | #include <android-base/stringprintf.h> |
| 20 | |
Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 21 | #include <algorithm> |
| 22 | #include <numeric> |
Dominik Laskowski | 9804183 | 2019-08-01 18:35:59 -0700 | [diff] [blame] | 23 | #include <type_traits> |
Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 24 | |
Ana Krulec | 4593b69 | 2019-01-11 22:07:25 -0800 | [diff] [blame] | 25 | #include "DisplayHardware/HWComposer.h" |
| 26 | #include "Scheduler/SchedulerUtils.h" |
| 27 | |
Dominik Laskowski | 9804183 | 2019-08-01 18:35:59 -0700 | [diff] [blame] | 28 | namespace android::scheduler { |
| 29 | |
| 30 | enum class RefreshRateConfigEvent : unsigned { None = 0b0, Changed = 0b1 }; |
| 31 | |
| 32 | inline RefreshRateConfigEvent operator|(RefreshRateConfigEvent lhs, RefreshRateConfigEvent rhs) { |
| 33 | using T = std::underlying_type_t<RefreshRateConfigEvent>; |
| 34 | return static_cast<RefreshRateConfigEvent>(static_cast<T>(lhs) | static_cast<T>(rhs)); |
| 35 | } |
Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 36 | |
| 37 | /** |
Ady Abraham | 1902d07 | 2019-03-01 17:18:59 -0800 | [diff] [blame] | 38 | * This class is used to encapsulate configuration for refresh rates. It holds information |
Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 39 | * about available refresh rates on the device, and the mapping between the numbers and human |
| 40 | * readable names. |
| 41 | */ |
| 42 | class RefreshRateConfigs { |
| 43 | public: |
| 44 | // Enum to indicate which vsync rate to run at. Power saving is intended to be the lowest |
| 45 | // (eg. when the screen is in AOD mode or off), default is the old 60Hz, and performance |
| 46 | // is the new 90Hz. Eventually we want to have a way for vendors to map these in the configs. |
| 47 | enum class RefreshRateType { POWER_SAVING, DEFAULT, PERFORMANCE }; |
| 48 | |
| 49 | struct RefreshRate { |
Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 50 | // This config ID corresponds to the position of the config in the vector that is stored |
| 51 | // on the device. |
| 52 | int configId; |
| 53 | // Human readable name of the refresh rate. |
| 54 | std::string name; |
Alec Mouri | fb571ea | 2019-01-24 18:42:10 -0800 | [diff] [blame] | 55 | // Refresh rate in frames per second, rounded to the nearest integer. |
| 56 | uint32_t fps = 0; |
Ady Abraham | 796beb0 | 2019-04-11 15:23:07 -0700 | [diff] [blame] | 57 | // config Id (returned from HWC2::Display::Config::getId()) |
| 58 | hwc2_config_t id; |
Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | // TODO(b/122916473): Get this information from configs prepared by vendors, instead of |
| 62 | // baking them in. |
Dominik Laskowski | 22488f6 | 2019-03-28 09:53:04 -0700 | [diff] [blame] | 63 | const std::map<RefreshRateType, std::shared_ptr<RefreshRate>>& getRefreshRates() const { |
Ady Abraham | 1902d07 | 2019-03-01 17:18:59 -0800 | [diff] [blame] | 64 | return mRefreshRates; |
| 65 | } |
Ady Abraham | 09bd392 | 2019-04-08 10:44:56 -0700 | [diff] [blame] | 66 | std::shared_ptr<RefreshRate> getRefreshRate(RefreshRateType type) const { |
Alec Mouri | 0a1cc96 | 2019-03-14 12:33:02 -0700 | [diff] [blame] | 67 | const auto& refreshRate = mRefreshRates.find(type); |
| 68 | if (refreshRate != mRefreshRates.end()) { |
| 69 | return refreshRate->second; |
| 70 | } |
| 71 | return nullptr; |
| 72 | } |
Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 73 | |
Ady Abraham | 796beb0 | 2019-04-11 15:23:07 -0700 | [diff] [blame] | 74 | RefreshRateType getRefreshRateType(hwc2_config_t id) const { |
| 75 | for (const auto& [type, refreshRate] : mRefreshRates) { |
| 76 | if (refreshRate->id == id) { |
| 77 | return type; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | return RefreshRateType::DEFAULT; |
| 82 | } |
| 83 | |
Dominik Laskowski | 22488f6 | 2019-03-28 09:53:04 -0700 | [diff] [blame] | 84 | void populate(const std::vector<std::shared_ptr<const HWC2::Display::Config>>& configs) { |
| 85 | mRefreshRates.clear(); |
| 86 | |
Ana Krulec | 4593b69 | 2019-01-11 22:07:25 -0800 | [diff] [blame] | 87 | // This is the rate that HWC encapsulates right now when the device is in DOZE mode. |
Ady Abraham | 1902d07 | 2019-03-01 17:18:59 -0800 | [diff] [blame] | 88 | mRefreshRates.emplace(RefreshRateType::POWER_SAVING, |
Alec Mouri | 0a1cc96 | 2019-03-14 12:33:02 -0700 | [diff] [blame] | 89 | std::make_shared<RefreshRate>( |
Ady Abraham | 796beb0 | 2019-04-11 15:23:07 -0700 | [diff] [blame] | 90 | RefreshRate{SCREEN_OFF_CONFIG_ID, "ScreenOff", 0, |
| 91 | HWC2_SCREEN_OFF_CONFIG_ID})); |
Ana Krulec | 4593b69 | 2019-01-11 22:07:25 -0800 | [diff] [blame] | 92 | |
| 93 | if (configs.size() < 1) { |
| 94 | ALOGE("Device does not have valid configs. Config size is 0."); |
| 95 | return; |
| 96 | } |
| 97 | |
| 98 | // Create a map between config index and vsync period. This is all the info we need |
| 99 | // from the configs. |
| 100 | std::vector<std::pair<int, nsecs_t>> configIdToVsyncPeriod; |
| 101 | for (int i = 0; i < configs.size(); ++i) { |
| 102 | configIdToVsyncPeriod.emplace_back(i, configs.at(i)->getVsyncPeriod()); |
| 103 | } |
| 104 | |
| 105 | std::sort(configIdToVsyncPeriod.begin(), configIdToVsyncPeriod.end(), |
| 106 | [](const std::pair<int, nsecs_t>& a, const std::pair<int, nsecs_t>& b) { |
| 107 | return a.second > b.second; |
| 108 | }); |
| 109 | |
| 110 | // When the configs are ordered by the resync rate. We assume that the first one is DEFAULT. |
| 111 | nsecs_t vsyncPeriod = configIdToVsyncPeriod[0].second; |
| 112 | if (vsyncPeriod != 0) { |
| 113 | const float fps = 1e9 / vsyncPeriod; |
Ady Abraham | 796beb0 | 2019-04-11 15:23:07 -0700 | [diff] [blame] | 114 | const int configId = configIdToVsyncPeriod[0].first; |
Ady Abraham | 1902d07 | 2019-03-01 17:18:59 -0800 | [diff] [blame] | 115 | mRefreshRates.emplace(RefreshRateType::DEFAULT, |
Alec Mouri | 0a1cc96 | 2019-03-14 12:33:02 -0700 | [diff] [blame] | 116 | std::make_shared<RefreshRate>( |
Ady Abraham | 796beb0 | 2019-04-11 15:23:07 -0700 | [diff] [blame] | 117 | RefreshRate{configId, base::StringPrintf("%2.ffps", fps), |
| 118 | static_cast<uint32_t>(fps), |
| 119 | configs.at(configId)->getId()})); |
Ana Krulec | 4593b69 | 2019-01-11 22:07:25 -0800 | [diff] [blame] | 120 | } |
Alec Mouri | fb571ea | 2019-01-24 18:42:10 -0800 | [diff] [blame] | 121 | |
Ana Krulec | 4593b69 | 2019-01-11 22:07:25 -0800 | [diff] [blame] | 122 | if (configs.size() < 2) { |
| 123 | return; |
| 124 | } |
| 125 | |
| 126 | // When the configs are ordered by the resync rate. We assume that the second one is |
| 127 | // PERFORMANCE, eg. the higher rate. |
| 128 | vsyncPeriod = configIdToVsyncPeriod[1].second; |
| 129 | if (vsyncPeriod != 0) { |
| 130 | const float fps = 1e9 / vsyncPeriod; |
Ady Abraham | 796beb0 | 2019-04-11 15:23:07 -0700 | [diff] [blame] | 131 | const int configId = configIdToVsyncPeriod[1].first; |
Ady Abraham | 1902d07 | 2019-03-01 17:18:59 -0800 | [diff] [blame] | 132 | mRefreshRates.emplace(RefreshRateType::PERFORMANCE, |
Alec Mouri | 0a1cc96 | 2019-03-14 12:33:02 -0700 | [diff] [blame] | 133 | std::make_shared<RefreshRate>( |
Ady Abraham | 796beb0 | 2019-04-11 15:23:07 -0700 | [diff] [blame] | 134 | RefreshRate{configId, base::StringPrintf("%2.ffps", fps), |
| 135 | static_cast<uint32_t>(fps), |
| 136 | configs.at(configId)->getId()})); |
Ana Krulec | 4593b69 | 2019-01-11 22:07:25 -0800 | [diff] [blame] | 137 | } |
| 138 | } |
| 139 | |
Dominik Laskowski | 22488f6 | 2019-03-28 09:53:04 -0700 | [diff] [blame] | 140 | private: |
Ady Abraham | de3b67b | 2019-03-25 16:38:10 -0700 | [diff] [blame] | 141 | std::map<RefreshRateType, std::shared_ptr<RefreshRate>> mRefreshRates; |
Ana Krulec | b43429d | 2019-01-09 14:28:51 -0800 | [diff] [blame] | 142 | }; |
| 143 | |
Dominik Laskowski | 9804183 | 2019-08-01 18:35:59 -0700 | [diff] [blame] | 144 | } // namespace android::scheduler |