| /* |
| * Copyright (c) 2016-2018 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_NEWARPKERNEL_H__ |
| #define __ARM_COMPUTE_NEWARPKERNEL_H__ |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/Types.h" |
| |
| #include <cstdint> |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** Common interface for warp affine and warp perspective */ |
| class INEWarpKernel : public INEKernel |
| { |
| public: |
| /** Default constructor */ |
| INEWarpKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| INEWarpKernel(const INEWarpKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| INEWarpKernel &operator=(const INEWarpKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| INEWarpKernel(INEWarpKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| INEWarpKernel &operator=(INEWarpKernel &&) = default; |
| /** Initialise the kernel's input, output and border mode. |
| * |
| * @param[in] input Source tensor. Data type supported: U8. |
| * @param[out] output Destination tensor. Data type supported: U8. |
| * @param[in] matrix The perspective or affine matrix to use. Must be 2x3 for affine and 3x3 for perspective of type float. |
| * @param[in] border_mode Strategy to use for borders |
| * @param[in] constant_border_value Constant value used for filling the border. |
| */ |
| virtual void configure(const ITensor *input, ITensor *output, const float *matrix, BorderMode border_mode, uint8_t constant_border_value); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| // Inherited methods overridden: |
| BorderSize border_size() const override; |
| |
| protected: |
| /** function to perform warp affine or warp perspective on the given window when border mode == UNDEFINED |
| * |
| * @param[in] window Region on which to execute the kernel |
| */ |
| virtual void warp_undefined(const Window &window) = 0; |
| /** function to perform warp affine or warp perspective on the given window when border mode == CONSTANT |
| * |
| * @param[in] window Region on which to execute the kernel |
| */ |
| virtual void warp_constant(const Window &window) = 0; |
| /** function to perform warp affine or warp perspective on the given window when border mode == REPLICATE |
| * |
| * @param[in] window Region on which to execute the kernel |
| */ |
| virtual void warp_replicate(const Window &window) = 0; |
| /** Common signature for all the specialised warp functions |
| * |
| * @param[in] window Region on which to execute the kernel. |
| */ |
| void (INEWarpKernel::*_func)(const Window &window); |
| |
| const ITensor *_input; /**< Input Tensor */ |
| ITensor *_output; /**< Output Tensor */ |
| uint8_t _constant_border_value; /**< Constant value used for filling the border. This value is used for those pixels out of the ROI when the border mode is CONSTANT */ |
| const float *_matrix; /**< The affine or perspective matrix. Must be 2x3 for warp affine or 3x3 for warp perspective of type float. */ |
| }; |
| |
| /** Template interface for the kernel to compute warp affine |
| * |
| */ |
| template <InterpolationPolicy interpolation> |
| class NEWarpAffineKernel : public INEWarpKernel |
| { |
| private: |
| const char *name() const override |
| { |
| return "NEWarpAffineKernel"; |
| } |
| // Inherited methods overridden: |
| void warp_undefined(const Window &window) override; |
| void warp_constant(const Window &window) override; |
| void warp_replicate(const Window &window) override; |
| }; |
| |
| /** Template interface for the kernel to compute warp perspective |
| * |
| */ |
| template <InterpolationPolicy interpolation> |
| class NEWarpPerspectiveKernel : public INEWarpKernel |
| { |
| private: |
| const char *name() const override |
| { |
| return "NEWarpPerspectiveKernel"; |
| } |
| // Inherited methods overridden: |
| void warp_undefined(const Window &window) override; |
| void warp_constant(const Window &window) override; |
| void warp_replicate(const Window &window) override; |
| }; |
| } // namespace arm_compute |
| #endif /*__ARM_COMPUTE_NEWARPKERNEL_H__ */ |