1 /*
2 * Copyright 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 #include <ui/DisplayMode.h>
18
19 #include <cstdint>
20
21 #include <ui/FlattenableHelpers.h>
22
23 #define RETURN_IF_ERROR(op) \
24 if (const status_t status = (op); status != OK) return status;
25
26 namespace android::ui {
27
getFlattenedSize() const28 size_t DisplayMode::getFlattenedSize() const {
29 return FlattenableHelpers::getFlattenedSize(id) +
30 FlattenableHelpers::getFlattenedSize(resolution) +
31 FlattenableHelpers::getFlattenedSize(xDpi) +
32 FlattenableHelpers::getFlattenedSize(yDpi) +
33 FlattenableHelpers::getFlattenedSize(refreshRate) +
34 FlattenableHelpers::getFlattenedSize(appVsyncOffset) +
35 FlattenableHelpers::getFlattenedSize(sfVsyncOffset) +
36 FlattenableHelpers::getFlattenedSize(presentationDeadline) +
37 FlattenableHelpers::getFlattenedSize(group);
38 }
39
flatten(void * buffer,size_t size) const40 status_t DisplayMode::flatten(void* buffer, size_t size) const {
41 if (size < getFlattenedSize()) {
42 return NO_MEMORY;
43 }
44 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, id));
45 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, resolution));
46 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, xDpi));
47 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, yDpi));
48 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, refreshRate));
49 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, appVsyncOffset));
50 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, sfVsyncOffset));
51 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, presentationDeadline));
52 RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, group));
53 return OK;
54 }
55
unflatten(const void * buffer,size_t size)56 status_t DisplayMode::unflatten(const void* buffer, size_t size) {
57 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &id));
58 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &resolution));
59 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &xDpi));
60 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &yDpi));
61 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &refreshRate));
62 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &appVsyncOffset));
63 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &sfVsyncOffset));
64 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &presentationDeadline));
65 RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &group));
66 return OK;
67 }
68
69 } // namespace android::ui
70