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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Buffer.h"
#include <android/hardware/neuralnetworks/1.0/types.h>
#include <android/hardware/neuralnetworks/1.1/types.h>
#include <android/hardware/neuralnetworks/1.2/types.h>
#include <android/hardware/neuralnetworks/1.3/IBuffer.h>
#include <android/hardware/neuralnetworks/1.3/types.h>
#include <nnapi/IPreparedModel.h>
#include <nnapi/Result.h>
#include <nnapi/Types.h>
#include <nnapi/hal/1.0/Conversions.h>
#include <nnapi/hal/1.0/HandleError.h>
#include "Conversions.h"
#include "Utils.h"
#include <memory>
#include <utility>
// See hardware/interfaces/neuralnetworks/utils/README.md for more information on HIDL interface
// lifetimes across processes.
namespace android::hardware::neuralnetworks::V1_3::utils {
nn::GeneralResult<std::shared_ptr<const Buffer>> Buffer::create(
sp<V1_3::IBuffer> buffer, nn::Request::MemoryDomainToken token) {
if (buffer == nullptr) {
return NN_ERROR() << "V1_3::utils::Buffer::create must have non-null buffer";
}
if (token == static_cast<nn::Request::MemoryDomainToken>(0)) {
return NN_ERROR() << "V1_3::utils::Buffer::create must have non-zero token";
}
return std::make_shared<const Buffer>(PrivateConstructorTag{}, std::move(buffer), token);
}
Buffer::Buffer(PrivateConstructorTag /*tag*/, sp<V1_3::IBuffer> buffer,
nn::Request::MemoryDomainToken token)
: kBuffer(std::move(buffer)), kToken(token) {
CHECK(kBuffer != nullptr);
CHECK(kToken != static_cast<nn::Request::MemoryDomainToken>(0));
}
nn::Request::MemoryDomainToken Buffer::getToken() const {
return kToken;
}
nn::GeneralResult<void> Buffer::copyTo(const nn::SharedMemory& dst) const {
const auto hidlDst = NN_TRY(convert(dst));
const auto ret = kBuffer->copyTo(hidlDst);
const auto status = HANDLE_TRANSPORT_FAILURE(ret);
HANDLE_STATUS_HIDL(status) << "IBuffer::copyTo failed with " << toString(status);
return {};
}
nn::GeneralResult<void> Buffer::copyFrom(const nn::SharedMemory& src,
const nn::Dimensions& dimensions) const {
const auto hidlSrc = NN_TRY(convert(src));
const auto hidlDimensions = hidl_vec<uint32_t>(dimensions);
const auto ret = kBuffer->copyFrom(hidlSrc, hidlDimensions);
const auto status = HANDLE_TRANSPORT_FAILURE(ret);
HANDLE_STATUS_HIDL(status) << "IBuffer::copyFrom failed with " << toString(status);
return {};
}
} // namespace android::hardware::neuralnetworks::V1_3::utils
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