1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "Execution.h"
18 
19 #include "Callbacks.h"
20 #include "Conversions.h"
21 #include "Utils.h"
22 
23 #include <android/hardware/neuralnetworks/1.0/types.h>
24 #include <android/hardware/neuralnetworks/1.1/types.h>
25 #include <android/hardware/neuralnetworks/1.2/IPreparedModel.h>
26 #include <android/hardware/neuralnetworks/1.2/types.h>
27 #include <nnapi/IExecution.h>
28 #include <nnapi/Result.h>
29 #include <nnapi/TypeUtils.h>
30 #include <nnapi/Types.h>
31 #include <nnapi/hal/CommonUtils.h>
32 #include <nnapi/hal/HandleError.h>
33 
34 #include <memory>
35 #include <utility>
36 #include <vector>
37 
38 // See hardware/interfaces/neuralnetworks/utils/README.md for more information on HIDL interface
39 // lifetimes across processes and for protecting asynchronous calls across HIDL.
40 
41 namespace android::hardware::neuralnetworks::V1_2::utils {
42 
43 nn::GeneralResult<std::shared_ptr<const Execution>> Execution::create(
44         std::shared_ptr<const PreparedModel> preparedModel, V1_0::Request request,
45         hal::utils::RequestRelocation relocation, V1_2::MeasureTiming measure) {
46     if (preparedModel == nullptr) {
47         return NN_ERROR() << "V1_2::utils::Execution::create must have non-null preparedModel";
48     }
49 
50     return std::make_shared<const Execution>(PrivateConstructorTag{}, std::move(preparedModel),
51                                              std::move(request), std::move(relocation), measure);
52 }
53 
54 Execution::Execution(PrivateConstructorTag /*tag*/,
55                      std::shared_ptr<const PreparedModel> preparedModel, V1_0::Request request,
56                      hal::utils::RequestRelocation relocation, V1_2::MeasureTiming measure)
57     : kPreparedModel(std::move(preparedModel)),
58       kRequest(std::move(request)),
59       kRelocation(std::move(relocation)),
60       kMeasure(measure) {}
61 
62 nn::ExecutionResult<std::pair<std::vector<nn::OutputShape>, nn::Timing>> Execution::compute(
63         const nn::OptionalTimePoint& /*deadline*/) const {
64     return kPreparedModel->executeInternal(kRequest, kMeasure, kRelocation);
65 }
66 
67 nn::GeneralResult<std::pair<nn::SyncFence, nn::ExecuteFencedInfoCallback>> Execution::computeFenced(
68         const std::vector<nn::SyncFence>& /*waitFor*/, const nn::OptionalTimePoint& /*deadline*/,
69         const nn::OptionalDuration& /*timeoutDurationAfterFence*/) const {
70     return NN_ERROR(nn::ErrorStatus::GENERAL_FAILURE)
71            << "IExecution::computeFenced is not supported on 1.2 HAL service";
72 }
73 
74 }  // namespace android::hardware::neuralnetworks::V1_2::utils
75