1 /*
2 * Copyright (C) 2021 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 #define LOG_TAG "FrameTimelineInfo"
18
19 #include <inttypes.h>
20
21 #include <android/os/IInputConstants.h>
22 #include <gui/FrameTimelineInfo.h>
23 #include <gui/LayerState.h>
24 #include <private/gui/ParcelUtils.h>
25 #include <utils/Errors.h>
26
27 #include <cmath>
28
29 using android::os::IInputConstants;
30
31 namespace android {
32
write(Parcel & output) const33 status_t FrameTimelineInfo::write(Parcel& output) const {
34 SAFE_PARCEL(output.writeInt64, vsyncId);
35 SAFE_PARCEL(output.writeInt32, inputEventId);
36 SAFE_PARCEL(output.writeInt64, startTimeNanos);
37 return NO_ERROR;
38 }
39
read(const Parcel & input)40 status_t FrameTimelineInfo::read(const Parcel& input) {
41 SAFE_PARCEL(input.readInt64, &vsyncId);
42 SAFE_PARCEL(input.readInt32, &inputEventId);
43 SAFE_PARCEL(input.readInt64, &startTimeNanos);
44 return NO_ERROR;
45 }
46
merge(const FrameTimelineInfo & other)47 void FrameTimelineInfo::merge(const FrameTimelineInfo& other) {
48 // When merging vsync Ids we take the oldest valid one
49 if (vsyncId != INVALID_VSYNC_ID && other.vsyncId != INVALID_VSYNC_ID) {
50 if (other.vsyncId > vsyncId) {
51 vsyncId = other.vsyncId;
52 inputEventId = other.inputEventId;
53 startTimeNanos = other.startTimeNanos;
54 }
55 } else if (vsyncId == INVALID_VSYNC_ID) {
56 vsyncId = other.vsyncId;
57 inputEventId = other.inputEventId;
58 startTimeNanos = other.startTimeNanos;
59 }
60 }
61
clear()62 void FrameTimelineInfo::clear() {
63 vsyncId = INVALID_VSYNC_ID;
64 inputEventId = IInputConstants::INVALID_INPUT_EVENT_ID;
65 startTimeNanos = 0;
66 }
67
68 }; // namespace android
69