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Diffstat (limited to 'src/core/NEON/kernels/NEWarpKernel.h')
| -rw-r--r-- | src/core/NEON/kernels/NEWarpKernel.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEWarpKernel.h b/src/core/NEON/kernels/NEWarpKernel.h new file mode 100644 index 0000000000..2c4cb55e3c --- /dev/null +++ b/src/core/NEON/kernels/NEWarpKernel.h @@ -0,0 +1,131 @@ +/* + * Copyright (c) 2016-2020 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_NEWARPKERNEL_H +#define ARM_COMPUTE_NEWARPKERNEL_H + +#include "arm_compute/core/Types.h" +#include "src/core/NEON/INEKernel.h" + +#include <array> +#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; + /** Default destructor */ + ~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. + * The matrix argument requires 9 values, for the affine case the last 3 values are ignored. + * @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 std::array<float, 9> &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 */ + std::array<float, 9> _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 */ |