From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001 From: Anthony Barbier Date: Mon, 4 Sep 2017 18:44:23 +0100 Subject: COMPMID-344 Updated doxygen Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae --- arm_compute/core/NEON/kernels/NEScaleKernel.h | 89 +++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 arm_compute/core/NEON/kernels/NEScaleKernel.h (limited to 'arm_compute/core/NEON/kernels/NEScaleKernel.h') diff --git a/arm_compute/core/NEON/kernels/NEScaleKernel.h b/arm_compute/core/NEON/kernels/NEScaleKernel.h new file mode 100644 index 0000000000..03e26520b5 --- /dev/null +++ b/arm_compute/core/NEON/kernels/NEScaleKernel.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2016, 2017 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_NESCALEKERNEL_H__ +#define __ARM_COMPUTE_NESCALEKERNEL_H__ + +#include "arm_compute/core/NEON/INEKernel.h" +#include "arm_compute/core/Types.h" + +namespace arm_compute +{ +class ITensor; + +/** NEON kernel to perform scaling on a tensor */ +class NEScaleKernel : public INEKernel +{ +public: + /** Default constructor */ + NEScaleKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEScaleKernel(const NEScaleKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEScaleKernel &operator=(const NEScaleKernel &) = delete; + /** Allow instances of this class to be moved */ + NEScaleKernel(NEScaleKernel &&) = default; + /** Allow instances of this class to be moved */ + NEScaleKernel &operator=(NEScaleKernel &&) = default; + /** Default destructor */ + ~NEScaleKernel() = default; + + /** Initialise the kernel's inputs, output and interpolation policy + * + * @note dx, dy and offsets have the same dimensions (width and height) of the output tensor + * + * @param[in] input Source tensor. Data types supported: U8/S16. + * @param[in] dx Pixel's distance between the X real coordinate and the smallest X following integer. Data type supported: F32 + * @param[in] dy Pixel's distance between the Y real coordinate and the smallest Y following integer. Data type supported: F32 + * @param[in] offsets Offset to access the pixel with NEAREST interpolation or the top-left pixel with BILINEAR interpolation in the input tensor. Data type supported: S32. + * @param[out] output Destination tensor. Data types supported: U8/S16. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane. + * @param[in] policy Interpolation type to use + * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant. + */ + void configure(const ITensor *input, const ITensor *dx, const ITensor *dy, const ITensor *offsets, ITensor *output, InterpolationPolicy policy, bool border_undefined); + + // Inherited methods overridden: + void run(const Window &window) override; + BorderSize border_size() const override; + +private: + /** function to perform scale using nearest interpolation on the given window */ + void scale_nearest(const Window &window); + /** function to perform scale using bilinear interpolation on the given window */ + void scale_bilinear(const Window &window); + /** function to perform scale using area interpolation on the given window + * + * @note Used only in case down-sampling. + */ + void scale_area(const Window &window); + /** Scale function to use for the particular interpolation type passed to configure() */ + void (NEScaleKernel::*_func)(const Window &window); + + const ITensor *_offsets; + const ITensor *_dx; + const ITensor *_dy; + const ITensor *_input; + ITensor *_output; +}; +} +#endif /*__ARM_COMPUTE_NESCALEKERNEL_H__ */ -- cgit v1.2.1