54430ca2a8
* commit '793fc0e13d25bdecda1219999f8be2cb3c121d20': Fix crash when user provides large values in the Parcel.
108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <utils/Errors.h>
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#include <binder/Parcel.h>
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#include <gui/ISurfaceComposerClient.h>
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#include <gui/IGraphicBufferProducer.h>
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#include <private/gui/LayerState.h>
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namespace android {
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status_t layer_state_t::write(Parcel& output) const
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{
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output.writeStrongBinder(surface);
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output.writeInt32(what);
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output.writeFloat(x);
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output.writeFloat(y);
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output.writeInt32(z);
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output.writeInt32(w);
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output.writeInt32(h);
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output.writeInt32(layerStack);
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output.writeFloat(alpha);
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output.writeInt32(flags);
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output.writeInt32(mask);
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*reinterpret_cast<layer_state_t::matrix22_t *>(
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output.writeInplace(sizeof(layer_state_t::matrix22_t))) = matrix;
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output.write(crop);
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output.write(transparentRegion);
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return NO_ERROR;
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}
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status_t layer_state_t::read(const Parcel& input)
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{
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surface = input.readStrongBinder();
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what = input.readInt32();
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x = input.readFloat();
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y = input.readFloat();
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z = input.readInt32();
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w = input.readInt32();
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h = input.readInt32();
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layerStack = input.readInt32();
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alpha = input.readFloat();
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flags = input.readInt32();
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mask = input.readInt32();
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const void* matrix_data = input.readInplace(sizeof(layer_state_t::matrix22_t));
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if (matrix_data) {
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matrix = *reinterpret_cast<layer_state_t::matrix22_t const *>(matrix_data);
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} else {
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return BAD_VALUE;
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}
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input.read(crop);
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input.read(transparentRegion);
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return NO_ERROR;
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}
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status_t ComposerState::write(Parcel& output) const {
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output.writeStrongBinder(client->asBinder());
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return state.write(output);
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}
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status_t ComposerState::read(const Parcel& input) {
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client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder());
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return state.read(input);
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}
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status_t DisplayState::write(Parcel& output) const {
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output.writeStrongBinder(token);
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output.writeStrongBinder(surface != NULL ? surface->asBinder() : NULL);
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output.writeInt32(what);
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output.writeInt32(layerStack);
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output.writeInt32(orientation);
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output.write(viewport);
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output.write(frame);
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output.writeInt32(width);
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output.writeInt32(height);
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return NO_ERROR;
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}
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status_t DisplayState::read(const Parcel& input) {
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token = input.readStrongBinder();
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surface = interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
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what = input.readInt32();
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layerStack = input.readInt32();
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orientation = input.readInt32();
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input.read(viewport);
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input.read(frame);
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width = input.readInt32();
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height = input.readInt32();
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return NO_ERROR;
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}
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}; // namespace android
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