| /* |
| * Copyright (c) 2017-2019 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_CLGAUSSIANPYRAMID_H__ |
| #define __ARM_COMPUTE_CLGAUSSIANPYRAMID_H__ |
| |
| #include "arm_compute/core/CL/kernels/CLGaussianPyramidKernel.h" |
| |
| #include "arm_compute/core/CL/kernels/CLScaleKernel.h" |
| #include "arm_compute/core/IPyramid.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/CL/CLPyramid.h" |
| #include "arm_compute/runtime/CL/functions/CLGaussian5x5.h" |
| #include "arm_compute/runtime/IFunction.h" |
| |
| #include <cstdint> |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| |
| /** Common interface for all Gaussian pyramid functions |
| */ |
| class CLGaussianPyramid : public IFunction |
| { |
| public: |
| /** Constructor */ |
| CLGaussianPyramid(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLGaussianPyramid(const CLGaussianPyramid &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLGaussianPyramid &operator=(const CLGaussianPyramid &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLGaussianPyramid(CLGaussianPyramid &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLGaussianPyramid &operator=(CLGaussianPyramid &&) = default; |
| /** Default destructor */ |
| virtual ~CLGaussianPyramid() = default; |
| /** Initialise the function's source, destinations and border mode. |
| * |
| * @param[in, out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED) |
| * @param[out] pyramid Destination pyramid tensors, Data types supported at each level: U8. |
| * @param[in] border_mode Border mode to use. |
| * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. |
| * |
| */ |
| virtual void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value = 0) = 0; |
| |
| protected: |
| ICLTensor *_input; |
| CLPyramid *_pyramid; |
| CLPyramid _tmp; |
| }; |
| |
| /** Basic function to execute gaussian pyramid with HALF scale factor. This function calls the following OpenCL kernels: |
| * |
| * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE) |
| * -# @ref CLGaussianPyramidHorKernel |
| * -# @ref CLGaussianPyramidVertKernel |
| */ |
| class CLGaussianPyramidHalf : public CLGaussianPyramid |
| { |
| public: |
| /** Constructor */ |
| CLGaussianPyramidHalf(); |
| |
| // Inherited methods overridden: |
| void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override; |
| void run() override; |
| |
| private: |
| std::vector<CLFillBorderKernel> _horizontal_border_handler; |
| std::vector<CLFillBorderKernel> _vertical_border_handler; |
| std::vector<CLGaussianPyramidHorKernel> _horizontal_reduction; |
| std::vector<CLGaussianPyramidVertKernel> _vertical_reduction; |
| }; |
| |
| /** Basic function to execute gaussian pyramid with ORB scale factor. This function calls the following OpenCL kernels and functions: |
| * |
| * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE) |
| * -# @ref CLGaussian5x5 |
| * -# @ref CLScaleKernel |
| */ |
| class CLGaussianPyramidOrb : public CLGaussianPyramid |
| { |
| public: |
| /** Constructor */ |
| CLGaussianPyramidOrb(); |
| |
| // Inherited methods overridden: |
| void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override; |
| void run() override; |
| |
| private: |
| std::vector<CLGaussian5x5> _gauss5x5; |
| std::vector<CLScaleKernel> _scale_nearest; |
| }; |
| } |
| #endif /*__ARM_COMPUTE_CLGAUSSIANPYRAMID_H__ */ |