| /* |
| * Copyright (c) 2019-2020 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef ARM_COMPUTE_NEFFT2D_H |
| #define ARM_COMPUTE_NEFFT2D_H |
| |
| #include "arm_compute/runtime/IFunction.h" |
| |
| #include "arm_compute/runtime/FunctionDescriptors.h" |
| #include "arm_compute/runtime/MemoryGroup.h" |
| #include "arm_compute/runtime/NEON/functions/NEFFT1D.h" |
| #include "arm_compute/runtime/Tensor.h" |
| |
| namespace arm_compute |
| { |
| // Forward declaration |
| class ITensor; |
| |
| /** Basic function to execute two dimensional FFT. This function calls the following NEON kernels: |
| * |
| * -# @ref NEFFT1D 1D FFT is performed on the first given axis |
| * -# @ref NEFFT1D 1D FFT is performed on the second given axis |
| */ |
| class NEFFT2D : public IFunction |
| { |
| public: |
| /** Default Constructor */ |
| NEFFT2D(std::shared_ptr<IMemoryManager> memory_manager = nullptr); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEFFT2D(const NEFFT2D &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEFFT2D &operator=(const NEFFT2D &) = delete; |
| /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| NEFFT2D(NEFFT2D &&) = delete; |
| /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| NEFFT2D &operator=(NEFFT2D &&) = delete; |
| /** Default destructor */ |
| ~NEFFT2D(); |
| /** Initialise the function's source and destinations |
| * |
| * @param[in] input Source tensor. Data types supported: F32. |
| * @param[out] output Destination tensor. Data types and data layouts supported: Same as @p input. |
| * @param[in] config FFT related configuration |
| */ |
| void configure(const ITensor *input, ITensor *output, const FFT2DInfo &config); |
| /** Static function to check if given info will lead to a valid configuration of @ref NEFFT2D. |
| * |
| * @param[in] input Source tensor info. Data types supported: F32. |
| * @param[in] output Destination tensor info. Data types and data layouts supported: Same as @p input. |
| * @param[in] config FFT related configuration |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *output, const FFT2DInfo &config); |
| |
| // Inherited methods overridden: |
| void run() override; |
| |
| protected: |
| MemoryGroup _memory_group; |
| NEFFT1D _first_pass_func; |
| NEFFT1D _second_pass_func; |
| Tensor _first_pass_tensor; |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_NEFFT2D_H */ |