1 /*
2  * Copyright 2023 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 
19 namespace android::scheduler {
20 
21 // State machine controlled by transaction flags. VsyncModulator switches to early phase offsets
22 // when a transaction is flagged EarlyStart or Early, lasting until an EarlyEnd transaction or a
23 // fixed number of frames, respectively.
24 enum class TransactionSchedule {
25     Late, // Default.
26     EarlyStart,
27     EarlyEnd
28 };
29 
30 } // namespace android::scheduler
31