66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 ANDROID_PACKAGES_MODULES_NEURALNETWORKS_RUNTIME_FLATBUFFER_MODEL_BUILDER_H
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#define ANDROID_PACKAGES_MODULES_NEURALNETWORKS_RUNTIME_FLATBUFFER_MODEL_BUILDER_H
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#include <tensorflow/lite/schema/schema_generated.h>
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#include <utility>
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#include <vector>
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#include "FlatbufferModelBuilderUtils.h"
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#include "ModelBuilder.h"
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#include "NeuralNetworks.h"
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namespace android {
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namespace nn {
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class FlatbufferModelBuilder : public ModelBuilder {
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public:
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// Return generated TFLite Model if successful
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Result<const tflite::Model*> createTfliteModel();
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private:
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void verifyModel(const tflite::Model* model);
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// Clears mBufferVector and initializes the first Buffer to be an empty Buffer
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// for Tensors that do not have a buffer.
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void initializeBufferVector();
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// Clears mOpCodeIndexForOperationType and initializes elements to be -1
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void initializeOpCodeIndexForOperationType();
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// Helper functions to convert Subgraphs
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Result<SubGraphFlatbuffer> createSubGraphFlatbuffer(const Model::Subgraph& subgraph);
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Result<std::vector<SubGraphFlatbuffer>> createSubGraphs();
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// Generates metadata for each Buffer
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// Must be called after mBufferVector is filled.
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std::vector<MetadataFlatbuffer> createMetadataVector();
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flatbuffers::FlatBufferBuilder mBuilder;
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Model mModel;
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std::vector<OperatorCodeFlatbuffer> mOpCodesVector;
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std::vector<int> mOpCodeIndexForOperationType;
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std::vector<BufferFlatbuffer> mBufferVector;
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};
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} // namespace nn
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} // namespace android
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#endif // ANDROID_PACKAGES_MODULES_NEURALNETWORKS_RUNTIME_FLATBUFFER_MODEL_BUILDER_H
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