c4ae3c7a04
This CL introduces the following API to manage an external delegate. - TfLiteExternalDelegateCreate() - TfLiteExternalDelegateOptionsDefault() - TfLiteExternalDelegateDelete() Also refactored the ExternalDelegateProvider to adopt this change. PiperOrigin-RevId: 319171849 Change-Id: Ibccbb3a70aa91dfcf96745e13342cdbb2e77d832
54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#ifndef TENSORFLOW_LITE_DELEGATES_EXTERNAL_EXTERNAL_DELEGATE_H_
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#define TENSORFLOW_LITE_DELEGATES_EXTERNAL_EXTERNAL_DELEGATE_H_
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#include "tensorflow/lite/c/common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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// TfLiteExternalDelegateOptions is a structure of key/value options to create
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// an external delegate.
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const int kMaxOptions = 256;
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typedef struct TfLiteExternalDelegateOptions {
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const char* lib_path;
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int count;
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const char* keys[kMaxOptions];
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const char* values[kMaxOptions];
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TfLiteStatus (*insert)(TfLiteExternalDelegateOptions* options,
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const char* key, const char* value);
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} TfLiteExternalDelegateOptions;
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// Populates TfLiteExternalDelegateOptions with the given shared library path.
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TfLiteExternalDelegateOptions TfLiteExternalDelegateOptionsDefault(
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const char* lib_path);
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// Creates a new delegate instance that need to be destroyed with
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// `TfLiteExternalDelegateDelete` when delegate is no longer used by TFLite.
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TfLiteDelegate* TfLiteExternalDelegateCreate(
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const TfLiteExternalDelegateOptions* options);
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// Destroys a delegate created with `TfLiteExternalDelegateCreate` call.
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void TfLiteExternalDelegateDelete(TfLiteDelegate* delegate);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // TENSORFLOW_LITE_DELEGATES_EXTERNAL_EXTERNAL_DELEGATE_H_
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