1 /*
2 * Copyright 2010 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 <inttypes.h>
18
19 #define LOG_TAG "QueueBufferInputOutput"
20 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
21 //#define LOG_NDEBUG 0
22
23 #include <gui/IGraphicBufferProducer.h>
24
25 namespace android {
26
minFlattenedSize()27 constexpr size_t IGraphicBufferProducer::QueueBufferInput::minFlattenedSize() {
28 return sizeof(timestamp) +
29 sizeof(isAutoTimestamp) +
30 sizeof(dataSpace) +
31 sizeof(crop) +
32 sizeof(scalingMode) +
33 sizeof(transform) +
34 sizeof(stickyTransform) +
35 sizeof(getFrameTimestamps);
36 }
37
QueueBufferInput(const Parcel & parcel)38 IGraphicBufferProducer::QueueBufferInput::QueueBufferInput(const Parcel& parcel) {
39 parcel.read(*this);
40 }
41
getFlattenedSize() const42 size_t IGraphicBufferProducer::QueueBufferInput::getFlattenedSize() const {
43 return minFlattenedSize() +
44 fence->getFlattenedSize() +
45 surfaceDamage.getFlattenedSize() +
46 hdrMetadata.getFlattenedSize();
47 }
48
getFdCount() const49 size_t IGraphicBufferProducer::QueueBufferInput::getFdCount() const {
50 return fence->getFdCount();
51 }
52
flatten(void * & buffer,size_t & size,int * & fds,size_t & count) const53 status_t IGraphicBufferProducer::QueueBufferInput::flatten(
54 void*& buffer, size_t& size, int*& fds, size_t& count) const
55 {
56 if (size < getFlattenedSize()) {
57 return NO_MEMORY;
58 }
59
60 FlattenableUtils::write(buffer, size, timestamp);
61 FlattenableUtils::write(buffer, size, isAutoTimestamp);
62 FlattenableUtils::write(buffer, size, dataSpace);
63 FlattenableUtils::write(buffer, size, crop);
64 FlattenableUtils::write(buffer, size, scalingMode);
65 FlattenableUtils::write(buffer, size, transform);
66 FlattenableUtils::write(buffer, size, stickyTransform);
67 FlattenableUtils::write(buffer, size, getFrameTimestamps);
68
69 status_t result = fence->flatten(buffer, size, fds, count);
70 if (result != NO_ERROR) {
71 return result;
72 }
73 result = surfaceDamage.flatten(buffer, size);
74 if (result != NO_ERROR) {
75 return result;
76 }
77 FlattenableUtils::advance(buffer, size, surfaceDamage.getFlattenedSize());
78 return hdrMetadata.flatten(buffer, size);
79 }
80
unflatten(void const * & buffer,size_t & size,int const * & fds,size_t & count)81 status_t IGraphicBufferProducer::QueueBufferInput::unflatten(
82 void const*& buffer, size_t& size, int const*& fds, size_t& count)
83 {
84 if (size < minFlattenedSize()) {
85 return NO_MEMORY;
86 }
87
88 FlattenableUtils::read(buffer, size, timestamp);
89 FlattenableUtils::read(buffer, size, isAutoTimestamp);
90 FlattenableUtils::read(buffer, size, dataSpace);
91 FlattenableUtils::read(buffer, size, crop);
92 FlattenableUtils::read(buffer, size, scalingMode);
93 FlattenableUtils::read(buffer, size, transform);
94 FlattenableUtils::read(buffer, size, stickyTransform);
95 FlattenableUtils::read(buffer, size, getFrameTimestamps);
96
97 fence = new Fence();
98 status_t result = fence->unflatten(buffer, size, fds, count);
99 if (result != NO_ERROR) {
100 return result;
101 }
102 result = surfaceDamage.unflatten(buffer, size);
103 if (result != NO_ERROR) {
104 return result;
105 }
106 FlattenableUtils::advance(buffer, size, surfaceDamage.getFlattenedSize());
107 return hdrMetadata.unflatten(buffer, size);
108 }
109
110 ////////////////////////////////////////////////////////////////////////
minFlattenedSize()111 constexpr size_t IGraphicBufferProducer::QueueBufferOutput::minFlattenedSize() {
112 return sizeof(width) + sizeof(height) + sizeof(transformHint) + sizeof(numPendingBuffers) +
113 sizeof(nextFrameNumber) + sizeof(bufferReplaced) + sizeof(maxBufferCount);
114 }
getFlattenedSize() const115 size_t IGraphicBufferProducer::QueueBufferOutput::getFlattenedSize() const {
116 return minFlattenedSize() + frameTimestamps.getFlattenedSize();
117 }
118
getFdCount() const119 size_t IGraphicBufferProducer::QueueBufferOutput::getFdCount() const {
120 return frameTimestamps.getFdCount();
121 }
122
flatten(void * & buffer,size_t & size,int * & fds,size_t & count) const123 status_t IGraphicBufferProducer::QueueBufferOutput::flatten(
124 void*& buffer, size_t& size, int*& fds, size_t& count) const
125 {
126 if (size < getFlattenedSize()) {
127 return NO_MEMORY;
128 }
129
130 FlattenableUtils::write(buffer, size, width);
131 FlattenableUtils::write(buffer, size, height);
132 FlattenableUtils::write(buffer, size, transformHint);
133 FlattenableUtils::write(buffer, size, numPendingBuffers);
134 FlattenableUtils::write(buffer, size, nextFrameNumber);
135 FlattenableUtils::write(buffer, size, bufferReplaced);
136 FlattenableUtils::write(buffer, size, maxBufferCount);
137
138 return frameTimestamps.flatten(buffer, size, fds, count);
139 }
140
unflatten(void const * & buffer,size_t & size,int const * & fds,size_t & count)141 status_t IGraphicBufferProducer::QueueBufferOutput::unflatten(
142 void const*& buffer, size_t& size, int const*& fds, size_t& count)
143 {
144 if (size < minFlattenedSize()) {
145 return NO_MEMORY;
146 }
147
148 FlattenableUtils::read(buffer, size, width);
149 FlattenableUtils::read(buffer, size, height);
150 FlattenableUtils::read(buffer, size, transformHint);
151 FlattenableUtils::read(buffer, size, numPendingBuffers);
152 FlattenableUtils::read(buffer, size, nextFrameNumber);
153 FlattenableUtils::read(buffer, size, bufferReplaced);
154 FlattenableUtils::read(buffer, size, maxBufferCount);
155
156 return frameTimestamps.unflatten(buffer, size, fds, count);
157 }
158
159 } // namespace android
160