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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 
     25 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.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(transparentRegion);
     42     return NO_ERROR;
     43 }
     44 
     45 status_t layer_state_t::read(const Parcel& input)
     46 {
     47     surface = input.readStrongBinder();
     48     what = input.readUint32();
     49     x = input.readFloat();
     50     y = input.readFloat();
     51     z = input.readUint32();
     52     w = input.readUint32();
     53     h = input.readUint32();
     54     layerStack = input.readUint32();
     55     alpha = input.readFloat();
     56     flags = static_cast<uint8_t>(input.readUint32());
     57     mask = static_cast<uint8_t>(input.readUint32());
     58     const void* matrix_data = input.readInplace(sizeof(layer_state_t::matrix22_t));
     59     if (matrix_data) {
     60         matrix = *reinterpret_cast<layer_state_t::matrix22_t const *>(matrix_data);
     61     } else {
     62         return BAD_VALUE;
     63     }
     64     input.read(crop);
     65     input.read(transparentRegion);
     66     return NO_ERROR;
     67 }
     68 
     69 status_t ComposerState::write(Parcel& output) const {
     70     output.writeStrongBinder(IInterface::asBinder(client));
     71     return state.write(output);
     72 }
     73 
     74 status_t ComposerState::read(const Parcel& input) {
     75     client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder());
     76     return state.read(input);
     77 }
     78 
     79 
     80 status_t DisplayState::write(Parcel& output) const {
     81     output.writeStrongBinder(token);
     82     output.writeStrongBinder(IInterface::asBinder(surface));
     83     output.writeUint32(what);
     84     output.writeUint32(layerStack);
     85     output.writeUint32(orientation);
     86     output.write(viewport);
     87     output.write(frame);
     88     output.writeUint32(width);
     89     output.writeUint32(height);
     90     return NO_ERROR;
     91 }
     92 
     93 status_t DisplayState::read(const Parcel& input) {
     94     token = input.readStrongBinder();
     95     surface = interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
     96     what = input.readUint32();
     97     layerStack = input.readUint32();
     98     orientation = input.readUint32();
     99     input.read(viewport);
    100     input.read(frame);
    101     width = input.readUint32();
    102     height = input.readUint32();
    103     return NO_ERROR;
    104 }
    105 
    106 
    107 }; // namespace android
    108