| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_HWC_TIME_H |
| #define ANDROID_HWC_TIME_H |
| |
| #include <utils/Timers.h> |
| |
| #include <chrono> |
| |
| #include "Common.h" |
| |
| namespace aidl::android::hardware::graphics::composer3::impl { |
| |
| using Nanoseconds = std::chrono::nanoseconds; |
| |
| using TimePoint = std::chrono::time_point<std::chrono::steady_clock>; |
| |
| inline TimePoint asTimePoint(int64_t nanos) { |
| return TimePoint(Nanoseconds(nanos)); |
| } |
| |
| inline TimePoint now() { |
| return asTimePoint(systemTime(SYSTEM_TIME_MONOTONIC)); |
| } |
| |
| inline int32_t asNanosDuration(Nanoseconds duration) { |
| return duration.count(); |
| } |
| |
| inline int64_t asNanosTimePoint(TimePoint time) { |
| TimePoint zero(Nanoseconds(0)); |
| return std::chrono::duration_cast<Nanoseconds>(time - zero).count(); |
| } |
| |
| } // namespace aidl::android::hardware::graphics::composer3::impl |
| |
| #endif |