61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
/*
|
|
* 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
|