diff options
Diffstat (limited to 'runtimes/libs/tflite/src/FeatureView.cpp')
-rw-r--r-- | runtimes/libs/tflite/src/FeatureView.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/runtimes/libs/tflite/src/FeatureView.cpp b/runtimes/libs/tflite/src/FeatureView.cpp new file mode 100644 index 000000000..fdf5a4b00 --- /dev/null +++ b/runtimes/libs/tflite/src/FeatureView.cpp @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "tflite/FeatureView.h" +#include "tflite/TensorUtils.h" + +#include <cassert> + +namespace nnfw +{ +namespace tflite +{ + +nnfw::misc::feature::Shape getFeatureShape(const TfLiteTensor *tensor) +{ + nnfw::misc::feature::Shape shape{tensor->dims->data[3], tensor->dims->data[1], + tensor->dims->data[2]}; + + return shape; +} + +FeatureView<float>::FeatureView(::tflite::Interpreter &interp, const InputIndex &index) +{ + const auto tensor_index = interp.inputs().at(index.asInt()); + auto tensor_ptr = interp.tensor(tensor_index); + + assert(isFloatTensor(tensor_ptr)); + assert(isFeatureTensor(tensor_ptr)); + + _shape = getFeatureShape(tensor_ptr); + _base = interp.typed_tensor<float>(tensor_index); +} + +FeatureView<float>::FeatureView(::tflite::Interpreter &interp, const OutputIndex &index) +{ + const auto tensor_index = interp.outputs().at(index.asInt()); + auto tensor_ptr = interp.tensor(tensor_index); + + assert(isFloatTensor(tensor_ptr)); + assert(isFeatureTensor(tensor_ptr)); + + _shape = getFeatureShape(tensor_ptr); + _base = interp.typed_tensor<float>(tensor_index); +} + +float FeatureView<float>::at(uint32_t ch, uint32_t row, uint32_t col) const +{ + return *(_base + getElementOffset(ch, row, col)); +} + +float &FeatureView<float>::at(uint32_t ch, uint32_t row, uint32_t col) +{ + return *(_base + getElementOffset(ch, row, col)); +} + +} // namespace tflite +} // namespace nnfw |