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
23namespace android {
24
25status_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.writeUint32(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(handle);
43    output.writeUint64(frameNumber);
44    output.writeInt32(overrideScalingMode);
45    output.write(transparentRegion);
46    return NO_ERROR;
47}
48
49status_t layer_state_t::read(const Parcel& input)
50{
51    surface = input.readStrongBinder();
52    what = input.readUint32();
53    x = input.readFloat();
54    y = input.readFloat();
55    z = input.readUint32();
56    w = input.readUint32();
57    h = input.readUint32();
58    layerStack = input.readUint32();
59    alpha = input.readFloat();
60    flags = static_cast<uint8_t>(input.readUint32());
61    mask = static_cast<uint8_t>(input.readUint32());
62    const void* matrix_data = input.readInplace(sizeof(layer_state_t::matrix22_t));
63    if (matrix_data) {
64        matrix = *reinterpret_cast<layer_state_t::matrix22_t const *>(matrix_data);
65    } else {
66        return BAD_VALUE;
67    }
68    input.read(crop);
69    input.read(finalCrop);
70    handle = input.readStrongBinder();
71    frameNumber = input.readUint64();
72    overrideScalingMode = input.readInt32();
73    input.read(transparentRegion);
74    return NO_ERROR;
75}
76
77status_t ComposerState::write(Parcel& output) const {
78    output.writeStrongBinder(IInterface::asBinder(client));
79    return state.write(output);
80}
81
82status_t ComposerState::read(const Parcel& input) {
83    client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder());
84    return state.read(input);
85}
86
87
88DisplayState::DisplayState() :
89    what(0),
90    layerStack(0),
91    orientation(eOrientationDefault),
92    viewport(Rect::EMPTY_RECT),
93    frame(Rect::EMPTY_RECT),
94    width(0),
95    height(0) {
96}
97
98status_t DisplayState::write(Parcel& output) const {
99    output.writeStrongBinder(token);
100    output.writeStrongBinder(IInterface::asBinder(surface));
101    output.writeUint32(what);
102    output.writeUint32(layerStack);
103    output.writeUint32(orientation);
104    output.write(viewport);
105    output.write(frame);
106    output.writeUint32(width);
107    output.writeUint32(height);
108    return NO_ERROR;
109}
110
111status_t DisplayState::read(const Parcel& input) {
112    token = input.readStrongBinder();
113    surface = interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
114    what = input.readUint32();
115    layerStack = input.readUint32();
116    orientation = input.readUint32();
117    input.read(viewport);
118    input.read(frame);
119    width = input.readUint32();
120    height = input.readUint32();
121    return NO_ERROR;
122}
123
124
125}; // namespace android
126