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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 #ifndef ANDROID_PACKAGES_MODULES_NEURALNETWORKS_DRIVER_SAMPLE_CANONICAL_DEVICE_H
18 #define ANDROID_PACKAGES_MODULES_NEURALNETWORKS_DRIVER_SAMPLE_CANONICAL_DEVICE_H
19 
20 #include <BufferTracker.h>
21 #include <CpuExecutor.h>
22 #include <nnapi/IBuffer.h>
23 #include <nnapi/IDevice.h>
24 #include <nnapi/OperandTypes.h>
25 #include <nnapi/Result.h>
26 #include <nnapi/Types.h>
27 
28 #include <functional>
29 #include <memory>
30 #include <optional>
31 #include <string>
32 #include <utility>
33 #include <vector>
34 
35 namespace android::nn::sample {
36 
37 class Device final : public IDevice {
38    public:
39     explicit Device(std::string name,
40                     const IOperationResolver* operationResolver = BuiltinOperationResolver::get());
41 
42     const std::string& getName() const override;
43     const std::string& getVersionString() const override;
44     Version getFeatureLevel() const override;
45     DeviceType getType() const override;
46     const std::vector<Extension>& getSupportedExtensions() const override;
47     const Capabilities& getCapabilities() const override;
48     std::pair<uint32_t, uint32_t> getNumberOfCacheFilesNeeded() const override;
49 
50     GeneralResult<void> wait() const override;
51 
52     GeneralResult<std::vector<bool>> getSupportedOperations(const Model& model) const override;
53 
54     GeneralResult<SharedPreparedModel> prepareModel(const Model& model,
55                                                     ExecutionPreference preference,
56                                                     Priority priority, OptionalTimePoint deadline,
57                                                     const std::vector<SharedHandle>& modelCache,
58                                                     const std::vector<SharedHandle>& dataCache,
59                                                     const CacheToken& token) const override;
60 
61     GeneralResult<SharedPreparedModel> prepareModelFromCache(
62             OptionalTimePoint deadline, const std::vector<SharedHandle>& modelCache,
63             const std::vector<SharedHandle>& dataCache, const CacheToken& token) const override;
64 
65     GeneralResult<SharedBuffer> allocate(const BufferDesc& desc,
66                                          const std::vector<SharedPreparedModel>& preparedModels,
67                                          const std::vector<BufferRole>& inputRoles,
68                                          const std::vector<BufferRole>& outputRoles) const override;
69 
70    private:
71     const std::string kName;
72     const IOperationResolver& kOperationResolver;
73     const std::shared_ptr<BufferTracker> kBufferTracker = BufferTracker::create();
74 };
75 
76 }  // namespace android::nn::sample
77 
78 #endif  // ANDROID_PACKAGES_MODULES_NEURALNETWORKS_DRIVER_SAMPLE_CANONICAL_DEVICE_H
79