1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* 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
|
