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Diffstat (limited to 'arm_compute/core/NEON/kernels/NETableLookupKernel.h')
-rw-r--r-- | arm_compute/core/NEON/kernels/NETableLookupKernel.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/kernels/NETableLookupKernel.h b/arm_compute/core/NEON/kernels/NETableLookupKernel.h new file mode 100644 index 0000000000..b3963e5a75 --- /dev/null +++ b/arm_compute/core/NEON/kernels/NETableLookupKernel.h @@ -0,0 +1,76 @@ +/* + * 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_NETABLELOOKUPKERNEL_H__ +#define __ARM_COMPUTE_NETABLELOOKUPKERNEL_H__ + +#include "arm_compute/core/NEON/INESimpleKernel.h" + +namespace arm_compute +{ +class ITensor; +class ILut; + +/** Interface for the kernel to perform table lookup calculations. */ +class NETableLookupKernel : public INESimpleKernel +{ +public: + /** Default constructor */ + NETableLookupKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NETableLookupKernel(const NETableLookupKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NETableLookupKernel &operator=(const NETableLookupKernel &) = delete; + /** Allow instances of this class to be moved */ + NETableLookupKernel(NETableLookupKernel &&) = default; + /** Allow instances of this class to be moved */ + NETableLookupKernel &operator=(NETableLookupKernel &&) = default; + /** Initialise the kernel's input, lut and output. + * + * @param[in] input An input tensor. Data types supported: U8/S16. + * @param[in] lut The input LUT. + * @param[out] output The output tensor. Data types supported: same as @p input + */ + void configure(const ITensor *input, const ILut *lut, ITensor *output); + + // Inherited methods overridden: + void run(const Window &window) override; + +private: + /** Perform table lookup on a given window. + * + * @param window window Region on which to execute the kernel. + */ + template <class T> + void tableLookup(const Window &window); + /** Common signature for all the specialised lut functions + * + * @param[in] window Region on which to execute the kernel. + */ + using TableLookupFunction = void (NETableLookupKernel::*)(const Window &window); + /** Sub function to use for the particular tensor types passed to configure() */ + TableLookupFunction _func; + const ILut *_lut; +}; +} +#endif /* __ARM_COMPUTE_NETABLELOOKUPKERNEL_H__ */ |