1 /*
2  * Copyright (C) 2019 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_SAMPLE_DRIVER_PARTIAL_H
18 #define ANDROID_PACKAGES_MODULES_NEURALNETWORKS_DRIVER_SAMPLE_SAMPLE_DRIVER_PARTIAL_H
19 
20 #include <HalInterfaces.h>
21 #include <Utils.h>
22 #include <android-base/logging.h>
23 
24 #include <thread>
25 #include <vector>
26 
27 #include "SampleDriver.h"
28 
29 namespace android {
30 namespace nn {
31 namespace sample_driver {
32 
33 // A base class for sample drivers that support only a subset of NNAPI
34 // operations. Classes of such drivers should inherit from this class and
35 // implement getSupportedOperationsImpl function which is used for filtering out
36 // unsupported ops.
37 class SampleDriverPartial : public SampleDriver {
38    public:
39     SampleDriverPartial(const char* name, const IOperationResolver* operationResolver =
40                                                   BuiltinOperationResolver::get())
SampleDriver(name,operationResolver)41         : SampleDriver(name, operationResolver) {}
42     hardware::Return<void> getSupportedOperations_1_3(const V1_3::Model& model,
43                                                       getSupportedOperations_1_3_cb cb) override;
44     hardware::Return<V1_3::ErrorStatus> prepareModel_1_3(
45             const V1_3::Model& model, V1_1::ExecutionPreference preference, V1_3::Priority priority,
46             const V1_3::OptionalTimePoint& deadline,
47             const hardware::hidl_vec<hardware::hidl_handle>& modelCache,
48             const hardware::hidl_vec<hardware::hidl_handle>& dataCache, const HalCacheToken& token,
49             const sp<V1_3::IPreparedModelCallback>& callback) override;
50 
51    protected:
52     // Given a valid NNAPI Model returns a boolean vector that indicates which
53     // ops in the model are supported by a driver.
54     virtual std::vector<bool> getSupportedOperationsImpl(const V1_3::Model& model) const = 0;
55 };
56 
57 }  // namespace sample_driver
58 }  // namespace nn
59 }  // namespace android
60 
61 #endif  // ANDROID_PACKAGES_MODULES_NEURALNETWORKS_DRIVER_SAMPLE_SAMPLE_DRIVER_PARTIAL_H
62