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/*
* Copyright (C) 2021 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 <aidl/android/hardware/neuralnetworks/BnBuffer.h>
#include <aidl/android/hardware/neuralnetworks/Memory.h>
#include <android-base/logging.h>
#include <android/binder_auto_utils.h>
#include <nnapi/IBuffer.h>
#include <nnapi/Result.h>
#include <nnapi/Types.h>
#include <nnapi/hal/aidl/Conversions.h>
namespace aidl::android::hardware::neuralnetworks::adapter {
namespace {
template <typename Type>
auto convertInput(const Type& object) -> decltype(nn::convert(std::declval<Type>())) {
auto result = nn::convert(object);
if (!result.has_value()) {
result.error().code = nn::ErrorStatus::INVALID_ARGUMENT;
}
return result;
}
nn::GeneralResult<std::vector<uint32_t>> inputToUnsigned(const std::vector<int32_t>& dims) {
auto result = nn::toUnsigned(dims);
if (!result.has_value()) {
result.error().code = nn::ErrorStatus::INVALID_ARGUMENT;
}
return result;
}
nn::GeneralResult<void> copyTo(const nn::IBuffer& buffer, const Memory& dst) {
const auto nnDst = NN_TRY(convertInput(dst));
return buffer.copyTo(nnDst);
}
nn::GeneralResult<void> copyFrom(const nn::IBuffer& buffer, const Memory& src,
const std::vector<int32_t>& dimensions) {
const auto nnSrc = NN_TRY(convertInput(src));
const auto nnDims = NN_TRY(inputToUnsigned(dimensions));
return buffer.copyFrom(nnSrc, nnDims);
}
} // namespace
Buffer::Buffer(nn::SharedBuffer buffer) : kBuffer(std::move(buffer)) {
CHECK(kBuffer != nullptr);
}
ndk::ScopedAStatus Buffer::copyTo(const Memory& dst) {
const auto result = adapter::copyTo(*kBuffer, dst);
if (!result.has_value()) {
const auto& [message, code] = result.error();
const auto aidlCode = utils::convert(code).value_or(ErrorStatus::GENERAL_FAILURE);
return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
static_cast<int32_t>(aidlCode), message.c_str());
}
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus Buffer::copyFrom(const Memory& src, const std::vector<int32_t>& dimensions) {
const auto result = adapter::copyFrom(*kBuffer, src, dimensions);
if (!result.has_value()) {
const auto& [message, code] = result.error();
const auto aidlCode = utils::convert(code).value_or(ErrorStatus::GENERAL_FAILURE);
return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
static_cast<int32_t>(aidlCode), message.c_str());
}
return ndk::ScopedAStatus::ok();
}
} // namespace aidl::android::hardware::neuralnetworks::adapter
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