| /* |
| * Copyright 2023 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. |
| */ |
| |
| #pragma once |
| |
| #include <chrono> |
| |
| #include <utils/Timers.h> |
| |
| namespace android::scheduler { |
| |
| using namespace std::chrono_literals; |
| |
| // Phase offsets and work durations for SF and app deadlines from VSYNC. |
| struct VsyncConfig { |
| nsecs_t sfOffset; |
| nsecs_t appOffset; |
| std::chrono::nanoseconds sfWorkDuration; |
| std::chrono::nanoseconds appWorkDuration; |
| |
| bool operator==(const VsyncConfig& other) const { |
| return sfOffset == other.sfOffset && appOffset == other.appOffset && |
| sfWorkDuration == other.sfWorkDuration && appWorkDuration == other.appWorkDuration; |
| } |
| |
| bool operator!=(const VsyncConfig& other) const { return !(*this == other); } |
| |
| // The duration for which SF can delay a frame if it is considered early based on the |
| // VsyncConfig::appWorkDuration. |
| static constexpr std::chrono::nanoseconds kEarlyLatchMaxThreshold = 100ms; |
| }; |
| |
| struct VsyncConfigSet { |
| VsyncConfig early; // Used for early transactions, and during refresh rate change. |
| VsyncConfig earlyGpu; // Used during GPU composition. |
| VsyncConfig late; // Default. |
| std::chrono::nanoseconds hwcMinWorkDuration; // Used for calculating the earliest present time. |
| |
| bool operator==(const VsyncConfigSet& other) const { |
| return early == other.early && earlyGpu == other.earlyGpu && late == other.late && |
| hwcMinWorkDuration == other.hwcMinWorkDuration; |
| } |
| |
| bool operator!=(const VsyncConfigSet& other) const { return !(*this == other); } |
| }; |
| |
| } // namespace android::scheduler |