LayerState.cpp revision 47e45405d1533aa73307014f7bf371e118695cf3 
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.writeInt32(what);
29    output.writeFloat(x);
30    output.writeFloat(y);
31    output.writeInt32(z);
32    output.writeInt32(w);
33    output.writeInt32(h);
34    output.writeInt32(layerStack);
35    output.writeFloat(alpha);
36    output.writeInt32(flags);
37    output.writeInt32(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(transparentRegion);
42    return NO_ERROR;
43}
44
45status_t layer_state_t::read(const Parcel& input)
46{
47    surface = input.readStrongBinder();
48    what = input.readInt32();
49    x = input.readFloat();
50    y = input.readFloat();
51    z = input.readInt32();
52    w = input.readInt32();
53    h = input.readInt32();
54    layerStack = input.readInt32();
55    alpha = input.readFloat();
56    flags = input.readInt32();
57    mask = input.readInt32();
58    matrix = *reinterpret_cast<layer_state_t::matrix22_t const *>(
59            input.readInplace(sizeof(layer_state_t::matrix22_t)));
60    input.read(crop);
61    input.read(transparentRegion);
62    return NO_ERROR;
63}
64
65status_t ComposerState::write(Parcel& output) const {
66    output.writeStrongBinder(client->asBinder());
67    return state.write(output);
68}
69
70status_t ComposerState::read(const Parcel& input) {
71    client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder());
72    return state.read(input);
73}
74
75
76status_t DisplayState::write(Parcel& output) const {
77    output.writeStrongBinder(token);
78    output.writeStrongBinder(surface->asBinder());
79    output.writeInt32(what);
80    output.writeInt32(layerStack);
81    output.writeInt32(orientation);
82    output.write(viewport);
83    output.write(frame);
84    output.writeInt32(width);
85    output.writeInt32(height);
86    return NO_ERROR;
87}
88
89status_t DisplayState::read(const Parcel& input) {
90    token = input.readStrongBinder();
91    surface = interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
92    what = input.readInt32();
93    layerStack = input.readInt32();
94    orientation = input.readInt32();
95    input.read(viewport);
96    input.read(frame);
97    width = input.readInt32();
98    height = input.readInt32();
99    return NO_ERROR;
100}
101
102
103}; // namespace android
104