From ebcebf1dee7f8314976b1e0cabd62b4cf893d765 Mon Sep 17 00:00:00 2001 From: Michalis Spyrou Date: Wed, 21 Oct 2020 00:04:14 +0100 Subject: COMPMID-3638: Move NEON kernels Signed-off-by: Michalis Spyrou Change-Id: Ieed3e4bc8be7fef80c90c5094599b477a56fc473 Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4285 Comments-Addressed: Arm Jenkins Reviewed-by: Georgios Pinitas Tested-by: Arm Jenkins --- src/core/NEON/kernels/NEChannelExtractKernel.h | 111 +++++++++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 src/core/NEON/kernels/NEChannelExtractKernel.h (limited to 'src/core/NEON/kernels/NEChannelExtractKernel.h') diff --git a/src/core/NEON/kernels/NEChannelExtractKernel.h b/src/core/NEON/kernels/NEChannelExtractKernel.h new file mode 100644 index 0000000000..0b2847d79c --- /dev/null +++ b/src/core/NEON/kernels/NEChannelExtractKernel.h @@ -0,0 +1,111 @@ +/* + * 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_NECHANNELEXTRACTKERNEL_H +#define ARM_COMPUTE_NECHANNELEXTRACTKERNEL_H + +#include "arm_compute/core/Types.h" +#include "src/core/NEON/INESimpleKernel.h" + +namespace arm_compute +{ +class IMultiImage; +class ITensor; +using IImage = ITensor; + +/** Interface for the channel extract kernel */ +class NEChannelExtractKernel : public INESimpleKernel +{ +public: + const char *name() const override + { + return "NEChannelExtractKernel"; + } + /** Default constructor */ + NEChannelExtractKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEChannelExtractKernel(const NEChannelExtractKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEChannelExtractKernel &operator=(const NEChannelExtractKernel &) = delete; + /** Allow instances of this class to be moved */ + NEChannelExtractKernel(NEChannelExtractKernel &&) = default; + /** Allow instances of this class to be moved */ + NEChannelExtractKernel &operator=(NEChannelExtractKernel &&) = default; + /** Default destructor */ + ~NEChannelExtractKernel() = default; + + /** Set the input and output of the kernel + * + * @param[in] input Source tensor. Formats supported: RGB888/RGBA8888/YUYV422/UYVY422 + * @param[in] channel Channel to extract. + * @param[out] output Destination tensor. Format supported: U8 + */ + void configure(const ITensor *input, Channel channel, ITensor *output); + /** Set the input and output of the kernel + * + * @param[in] input Multi-planar source image. Formats supported: NV12/NV21/IYUV/YUV444 + * @param[in] channel Channel to extract. + * @param[out] output Single-planar destination image. Format supported: U8 + */ + void configure(const IMultiImage *input, Channel channel, IImage *output); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + +private: + /** Extract one channel from a two channel planar tensor. + * + * @param[in] win Region on which to execute the kernel. + */ + void extract_1C_from_2C_img(const Window &win); + /** Extract one channel from a three channel planar tensor. + * + * @param[in] win Region on which to execute the kernel. + */ + void extract_1C_from_3C_img(const Window &win); + /** Extract one channel from a four channel planar tensor. + * + * @param[in] win Region on which to execute the kernel. + */ + void extract_1C_from_4C_img(const Window &win); + /** Extract U/V channel from a single planar YUVY/UYVY tensor. + * + * @param[in] win Region on which to execute the kernel. + */ + void extract_YUYV_uv(const Window &win); + /** Copies a full plane to the output tensor. + * + * @param[in] win Region on which to execute the kernel. + */ + void copy_plane(const Window &win); + /** Common signature for all the specialised ChannelExtract functions + * + * @param[in] window Region on which to execute the kernel. + */ + using ChannelExtractFunction = void (NEChannelExtractKernel::*)(const Window &window); + /** ChannelExtract function to use for the particular tensor types passed to configure() */ + ChannelExtractFunction _func; + unsigned int _lut_index; +}; +} // namespace arm_compute +#endif /* ARM_COMPUTE_NECHANNELEXTRACTKERNEL_H */ -- cgit v1.2.1