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1 /*
2  * Copyright (C) 2008 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 <utils/Errors.h>
18 #include <binder/Parcel.h>
19 #include <gui/ISurfaceComposerClient.h>
20 #include <gui/IGraphicBufferProducer.h>
21 #include <private/gui/LayerState.h>
22 
23 namespace android {
24 
write(Parcel & output) const25 status_t layer_state_t::write(Parcel& output) const
26 {
27     output.writeStrongBinder(surface);
28     output.writeUint32(what);
29     output.writeFloat(x);
30     output.writeFloat(y);
31     output.writeInt32(z);
32     output.writeUint32(w);
33     output.writeUint32(h);
34     output.writeUint32(layerStack);
35     output.writeFloat(alpha);
36     output.writeUint32(flags);
37     output.writeUint32(mask);
38     *reinterpret_cast<layer_state_t::matrix22_t *>(
39             output.writeInplace(sizeof(layer_state_t::matrix22_t))) = matrix;
40     output.write(crop);
41     output.write(finalCrop);
42     output.writeStrongBinder(barrierHandle);
43     output.writeStrongBinder(reparentHandle);
44     output.writeUint64(frameNumber);
45     output.writeInt32(overrideScalingMode);
46     output.writeStrongBinder(IInterface::asBinder(barrierGbp));
47     output.writeStrongBinder(relativeLayerHandle);
48     output.write(transparentRegion);
49     return NO_ERROR;
50 }
51 
read(const Parcel & input)52 status_t layer_state_t::read(const Parcel& input)
53 {
54     surface = input.readStrongBinder();
55     what = input.readUint32();
56     x = input.readFloat();
57     y = input.readFloat();
58     z = input.readInt32();
59     w = input.readUint32();
60     h = input.readUint32();
61     layerStack = input.readUint32();
62     alpha = input.readFloat();
63     flags = static_cast<uint8_t>(input.readUint32());
64     mask = static_cast<uint8_t>(input.readUint32());
65     const void* matrix_data = input.readInplace(sizeof(layer_state_t::matrix22_t));
66     if (matrix_data) {
67         matrix = *reinterpret_cast<layer_state_t::matrix22_t const *>(matrix_data);
68     } else {
69         return BAD_VALUE;
70     }
71     input.read(crop);
72     input.read(finalCrop);
73     barrierHandle = input.readStrongBinder();
74     reparentHandle = input.readStrongBinder();
75     frameNumber = input.readUint64();
76     overrideScalingMode = input.readInt32();
77     barrierGbp =
78         interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
79     relativeLayerHandle = input.readStrongBinder();
80     input.read(transparentRegion);
81     return NO_ERROR;
82 }
83 
write(Parcel & output) const84 status_t ComposerState::write(Parcel& output) const {
85     output.writeStrongBinder(IInterface::asBinder(client));
86     return state.write(output);
87 }
88 
read(const Parcel & input)89 status_t ComposerState::read(const Parcel& input) {
90     client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder());
91     return state.read(input);
92 }
93 
94 
DisplayState()95 DisplayState::DisplayState() :
96     what(0),
97     layerStack(0),
98     orientation(eOrientationDefault),
99     viewport(Rect::EMPTY_RECT),
100     frame(Rect::EMPTY_RECT),
101     width(0),
102     height(0) {
103 }
104 
write(Parcel & output) const105 status_t DisplayState::write(Parcel& output) const {
106     output.writeStrongBinder(token);
107     output.writeStrongBinder(IInterface::asBinder(surface));
108     output.writeUint32(what);
109     output.writeUint32(layerStack);
110     output.writeUint32(orientation);
111     output.write(viewport);
112     output.write(frame);
113     output.writeUint32(width);
114     output.writeUint32(height);
115     return NO_ERROR;
116 }
117 
read(const Parcel & input)118 status_t DisplayState::read(const Parcel& input) {
119     token = input.readStrongBinder();
120     surface = interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
121     what = input.readUint32();
122     layerStack = input.readUint32();
123     orientation = input.readUint32();
124     input.read(viewport);
125     input.read(frame);
126     width = input.readUint32();
127     height = input.readUint32();
128     return NO_ERROR;
129 }
130 
131 
132 }; // namespace android
133