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85 lines
2.3 KiB
85 lines
2.3 KiB
/*
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* Copyright (C) 2010 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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#define LOG_TAG "Surface"
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#include <gui/view/Surface.h>
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#include <binder/Parcel.h>
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#include <utils/Log.h>
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#include <gui/IGraphicBufferProducer.h>
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namespace android {
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namespace view {
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status_t Surface::writeToParcel(Parcel* parcel) const {
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return writeToParcel(parcel, false);
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}
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status_t Surface::writeToParcel(Parcel* parcel, bool nameAlreadyWritten) const {
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if (parcel == nullptr) return BAD_VALUE;
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status_t res = OK;
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if (!nameAlreadyWritten) {
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res = parcel->writeString16(name);
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if (res != OK) return res;
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/* isSingleBuffered defaults to no */
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res = parcel->writeInt32(0);
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if (res != OK) return res;
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}
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res = IGraphicBufferProducer::exportToParcel(graphicBufferProducer, parcel);
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if (res != OK) return res;
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return parcel->writeStrongBinder(surfaceControlHandle);
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}
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status_t Surface::readFromParcel(const Parcel* parcel) {
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return readFromParcel(parcel, false);
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}
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status_t Surface::readFromParcel(const Parcel* parcel, bool nameAlreadyRead) {
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if (parcel == nullptr) return BAD_VALUE;
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status_t res = OK;
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if (!nameAlreadyRead) {
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name = readMaybeEmptyString16(parcel);
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// Discard this for now
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int isSingleBuffered;
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res = parcel->readInt32(&isSingleBuffered);
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if (res != OK) {
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ALOGE("Can't read isSingleBuffered");
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return res;
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}
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}
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graphicBufferProducer = IGraphicBufferProducer::createFromParcel(parcel);
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surfaceControlHandle = parcel->readStrongBinder();
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return OK;
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}
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String16 Surface::readMaybeEmptyString16(const Parcel* parcel) {
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std::optional<String16> str;
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parcel->readString16(&str);
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return str.value_or(String16());
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}
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} // namespace view
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} // namespace android
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