78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
/*
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* Copyright (C) 2021 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 "Buffer.h"
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#include <nnapi/IPreparedModel.h>
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#include <nnapi/Result.h>
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#include <nnapi/Types.h>
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#include "Conversions.h"
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#include "Utils.h"
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#include <memory>
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#include <utility>
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// See hardware/interfaces/neuralnetworks/utils/README.md for more information on AIDL interface
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// lifetimes across processes.
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namespace aidl::android::hardware::neuralnetworks::utils {
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nn::GeneralResult<std::shared_ptr<const Buffer>> Buffer::create(
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std::shared_ptr<aidl_hal::IBuffer> buffer, nn::Request::MemoryDomainToken token) {
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if (buffer == nullptr) {
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return NN_ERROR() << "aidl_hal::utils::Buffer::create must have non-null buffer";
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}
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if (token == static_cast<nn::Request::MemoryDomainToken>(0)) {
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return NN_ERROR() << "aidl_hal::utils::Buffer::create must have non-zero token";
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}
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return std::make_shared<const Buffer>(PrivateConstructorTag{}, std::move(buffer), token);
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}
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Buffer::Buffer(PrivateConstructorTag /*tag*/, std::shared_ptr<aidl_hal::IBuffer> buffer,
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nn::Request::MemoryDomainToken token)
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: kBuffer(std::move(buffer)), kToken(token) {
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CHECK(kBuffer != nullptr);
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CHECK(kToken != static_cast<nn::Request::MemoryDomainToken>(0));
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}
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nn::Request::MemoryDomainToken Buffer::getToken() const {
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return kToken;
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}
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nn::GeneralResult<void> Buffer::copyTo(const nn::SharedMemory& dst) const {
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const auto aidlDst = NN_TRY(convert(dst));
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const auto ret = kBuffer->copyTo(aidlDst);
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HANDLE_ASTATUS(ret) << "IBuffer::copyTo failed";
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return {};
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}
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nn::GeneralResult<void> Buffer::copyFrom(const nn::SharedMemory& src,
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const nn::Dimensions& dimensions) const {
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const auto aidlSrc = NN_TRY(convert(src));
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const auto aidlDimensions = NN_TRY(toSigned(dimensions));
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const auto ret = kBuffer->copyFrom(aidlSrc, aidlDimensions);
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HANDLE_ASTATUS(ret) << "IBuffer::copyFrom failed";
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return {};
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}
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} // namespace aidl::android::hardware::neuralnetworks::utils
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