xref: /aosp_15_r20/frameworks/native/libs/gui/DisplayLuts.cpp (revision 38e8c45f13ce32b0dcecb25141ffecaf386fa17f)
1 /*
2  * Copyright (C) 2024 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 #include "include/gui/DisplayLuts.h"
18 #include <gui/DisplayLuts.h>
19 #include <private/gui/ParcelUtils.h>
20 
21 namespace android::gui {
22 
readFromParcel(const android::Parcel * parcel)23 status_t DisplayLuts::Entry::readFromParcel(const android::Parcel* parcel) {
24     if (parcel == nullptr) {
25         ALOGE("%s: Null parcel", __func__);
26         return BAD_VALUE;
27     }
28 
29     SAFE_PARCEL(parcel->readInt32, &dimension);
30     SAFE_PARCEL(parcel->readInt32, &size);
31     SAFE_PARCEL(parcel->readInt32, &samplingKey);
32 
33     return OK;
34 }
35 
writeToParcel(android::Parcel * parcel) const36 status_t DisplayLuts::Entry::writeToParcel(android::Parcel* parcel) const {
37     if (parcel == nullptr) {
38         ALOGE("%s: Null parcel", __func__);
39         return BAD_VALUE;
40     }
41 
42     SAFE_PARCEL(parcel->writeInt32, dimension);
43     SAFE_PARCEL(parcel->writeInt32, size);
44     SAFE_PARCEL(parcel->writeInt32, samplingKey);
45 
46     return OK;
47 }
48 
readFromParcel(const android::Parcel * parcel)49 status_t DisplayLuts::readFromParcel(const android::Parcel* parcel) {
50     if (parcel == nullptr) {
51         ALOGE("%s: Null parcel", __func__);
52         return BAD_VALUE;
53     }
54 
55     SAFE_PARCEL(parcel->readUniqueFileDescriptor, &fd);
56     SAFE_PARCEL(parcel->readInt32Vector, &offsets);
57     int32_t numLutProperties;
58     SAFE_PARCEL(parcel->readInt32, &numLutProperties);
59     lutProperties.reserve(numLutProperties);
60     for (int32_t i = 0; i < numLutProperties; i++) {
61         lutProperties.push_back({});
62         SAFE_PARCEL(lutProperties.back().readFromParcel, parcel);
63     }
64     return OK;
65 }
66 
writeToParcel(android::Parcel * parcel) const67 status_t DisplayLuts::writeToParcel(android::Parcel* parcel) const {
68     if (parcel == nullptr) {
69         ALOGE("%s: Null parcel", __func__);
70         return BAD_VALUE;
71     }
72 
73     SAFE_PARCEL(parcel->writeUniqueFileDescriptor, fd);
74     SAFE_PARCEL(parcel->writeInt32Vector, offsets);
75     SAFE_PARCEL(parcel->writeInt32, static_cast<int32_t>(lutProperties.size()));
76     for (auto& entry : lutProperties) {
77         SAFE_PARCEL(entry.writeToParcel, parcel);
78     }
79     return OK;
80 }
81 } // namespace android::gui