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Diffstat (limited to 'src/core/NEON/kernels/NEAbsoluteDifferenceKernel.h')
-rw-r--r-- | src/core/NEON/kernels/NEAbsoluteDifferenceKernel.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEAbsoluteDifferenceKernel.h b/src/core/NEON/kernels/NEAbsoluteDifferenceKernel.h new file mode 100644 index 0000000000..cc95172f35 --- /dev/null +++ b/src/core/NEON/kernels/NEAbsoluteDifferenceKernel.h @@ -0,0 +1,86 @@ +/* + * 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_NEABSOLUTEDIFFERENCEKERNEL_H +#define ARM_COMPUTE_NEABSOLUTEDIFFERENCEKERNEL_H + +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +class ITensor; + +/** Interface for the absolute difference kernel + * + * Absolute difference is computed by: + * @f[ output(x,y) = | input1(x,y) - input2(x,y) | @f] + */ +class NEAbsoluteDifferenceKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEAbsoluteDifferenceKernel"; + } + /** Default constructor */ + NEAbsoluteDifferenceKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEAbsoluteDifferenceKernel(const NEAbsoluteDifferenceKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEAbsoluteDifferenceKernel &operator=(const NEAbsoluteDifferenceKernel &) = delete; + /** Allow instances of this class to be moved */ + NEAbsoluteDifferenceKernel(NEAbsoluteDifferenceKernel &&) = default; + /** Allow instances of this class to be moved */ + NEAbsoluteDifferenceKernel &operator=(NEAbsoluteDifferenceKernel &&) = default; + /** Default destructor */ + ~NEAbsoluteDifferenceKernel() = default; + + /** Set the inputs and output tensors + * + * @param[in] input1 Source tensor. Data types supported: U8/S16 + * @param[in] input2 Source tensor. Data types supported: U8/S16 + * @param[out] output Destination tensor, Data types supported: U8/S16 + */ + void configure(const ITensor *input1, const ITensor *input2, ITensor *output); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + +private: + /** Common signature for all the specialised absolute difference functions + * + * @param[in] input1 An input tensor. Data types supported: U8/S16. + * @param[in] input2 An input tensor. Data types supported: U8/S16. + * @param[out] output The output tensor, Data types supported: U8 (Only if both inputs are U8), S16. + * @param[in] window Region on which to execute the kernel. + */ + using AbsDiffFunction = void(const ITensor *input1, const ITensor *input2, ITensor *output, const Window &window); + + /** Absolute difference function to use for the particular tensor formats passed to configure() */ + AbsDiffFunction *_func; + const ITensor *_input1; + const ITensor *_input2; + ITensor *_output; +}; +} // namespace arm_compute +#endif /* ARM_COMPUTE_NEABSOLUTEDIFFERENCEKERNEL_H */ |