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Diffstat (limited to 'runtime/contrib/pure_arm_compute/src/internal/nnapi/matrix/Reader.h')
-rw-r--r-- | runtime/contrib/pure_arm_compute/src/internal/nnapi/matrix/Reader.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/runtime/contrib/pure_arm_compute/src/internal/nnapi/matrix/Reader.h b/runtime/contrib/pure_arm_compute/src/internal/nnapi/matrix/Reader.h new file mode 100644 index 000000000..f03a4be31 --- /dev/null +++ b/runtime/contrib/pure_arm_compute/src/internal/nnapi/matrix/Reader.h @@ -0,0 +1,90 @@ +/* + * 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::matrix::Reader class + */ +#ifndef __INTERNAL_NNAPI_MATRIX_READER_H__ +#define __INTERNAL_NNAPI_MATRIX_READER_H__ + +#include "misc/matrix/Shape.h" +#include "misc/matrix/Reader.h" + +namespace internal +{ +namespace nnapi +{ +namespace matrix +{ + +/** + * @brief Class to support reading element in matrix + */ +template <typename T> class Reader final : public nnfw::misc::matrix::Reader<T> +{ +public: + /** + * @brief Construct a new Reader object + * @param[in] shape Shape of matrix + * @param[in] ptr Pointer to matrix data + * @param[in] len Size of matrix (byte) + */ + // NOTE The parameter len denotes the number of bytes. + Reader(const ::nnfw::misc::matrix::Shape &shape, const T *ptr, size_t len) + : _shape{shape}, _ptr{ptr} + { + assert(shape.H * shape.W * sizeof(T) == len); + } + +public: + /** + * @brief Get shape of matrix + * @return Shape of matrix + */ + const nnfw::misc::matrix::Shape &shape(void) const { return _shape; } + +public: + /** + * @brief Get value of element for matrix + * @param[in] row Row index + * @param[in] col Column index + * @return Value of element + */ + T at(uint32_t row, uint32_t col) const override + { + // NNAPI uses NHWC ordering + uint32_t index = 0; + + index += row * _shape.W; + index += col; + + return _ptr[index]; + } + +private: + nnfw::misc::matrix::Shape _shape; + +private: + const T *_ptr; +}; + +} // namespace matrix +} // namespace nnapi +} // namespace internal + +#endif // __INTERNAL_NNAPI_MATRIX_READER_H__ |