diff options
Diffstat (limited to 'runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Reader.h')
-rw-r--r-- | runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Reader.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Reader.h b/runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Reader.h new file mode 100644 index 000000000..ac25692a1 --- /dev/null +++ b/runtime/contrib/pure_arm_compute/src/internal/nnapi/feature/Reader.h @@ -0,0 +1,105 @@ +/* + * 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. + */ + +/** + * @file Reader.h + * @ingroup COM_AI_RUNTIME + * @brief This file defines internal::nnapi::feature::Reader + */ +#ifndef __INTERNAL_NNAPI_FEATURE_READER_H__ +#define __INTERNAL_NNAPI_FEATURE_READER_H__ + +#include "internal/nnapi/feature/Utils.h" + +#include "misc/feature/Reader.h" + +namespace internal +{ +namespace nnapi +{ +namespace feature +{ + +/** + * @brief Class to support reading element in feature(3D, 4D) + */ +template <typename T> class Reader final : public nnfw::misc::feature::Reader<T> +{ +public: + /** + * @brief Construct a new Reader object + * @param[in] shape Shape of feature + * @param[in] ptr Pointer to feature data + * @param[in] len Size of tensor (byte) + */ + // NOTE The parameter len denotes the number of bytes. + Reader(const ::nnfw::misc::feature::Shape &shape, const T *ptr, size_t len) + : _shape{shape}, _ptr{ptr} + { + assert(shape.N * shape.C * shape.H * shape.W * sizeof(T) == len); + } + +public: + /** + * @brief Get shape of feature + * @return Shape of feature + */ + const nnfw::misc::feature::Shape &shape(void) const { return _shape; } + +public: + /** + * @brief Get value of element using channel, row, and column index for 3D feature + * @param[in] ch Channel index + * @param[in] row Row index + * @param[in] col Column index + * @return Value of element + */ + T at(uint32_t ch, uint32_t row, uint32_t col) const override + { + uint32_t index = index_of(_shape, ch, row, col); + + const auto arr = reinterpret_cast<const T *>(_ptr); + + return arr[index]; + } + + /** + * @brief Get value of element using batch, channel, row, and column index for 4D feature + * @param[in] batch Batch index + * @param[in] ch Channel index + * @param[in] row Row index + * @param[in] col Column index + * @return Value of element + */ + T at(uint32_t batch, uint32_t ch, uint32_t row, uint32_t col) const override + { + uint32_t index = index_of(_shape, batch, ch, row, col); + + return _ptr[index]; + } + +private: + nnfw::misc::feature::Shape _shape; + +private: + const T *_ptr; +}; + +} // namespace feature +} // namespace nnapi +} // namespace internal + +#endif // __INTERNAL_NNAPI_FEATURE_READER_H__ |