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Diffstat (limited to 'src/core/NEON/kernels/NECropKernel.h')
| -rw-r--r-- | src/core/NEON/kernels/NECropKernel.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NECropKernel.h b/src/core/NEON/kernels/NECropKernel.h new file mode 100644 index 0000000000..da4a1b26e5 --- /dev/null +++ b/src/core/NEON/kernels/NECropKernel.h @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2019-2021 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_NEON_CROP_KERNEL_H +#define ARM_COMPUTE_NEON_CROP_KERNEL_H + +#include "arm_compute/core/Types.h" + +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +// Forward declarations +class ITensor; + +/** Interface for the kernel to perform tensor cropping */ +class NECropKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NECropKernel"; + } + /** Default constructor */ + NECropKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NECropKernel(const NECropKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NECropKernel &operator=(const NECropKernel &) = delete; + /** Allow instances of this class to be moved */ + NECropKernel(NECropKernel &&) = default; + /** Allow instances of this class to be moved */ + NECropKernel &operator=(NECropKernel &&) = default; + /** Default destructor */ + ~NECropKernel() = default; + /** Configure kernel + * + * @note Supported tensor rank: up to 4 + * @note Padding not supported. + * + * @param[in] input Source tensor. Data type supported: U8/U16/S16/U32/S32/F16/F32. Data layouts supported: NHWC. + * @param[in] crop_boxes Tensor containing all possible boxes used to crop the image, each represented by 4 normalized values. + * Data type supported: F32 + * @param[in] box_ind One dimensional tensor mapping the @p crop_box_ind to the index of the 3D image in @p input. + * Data type supported: F32 + * @param[out] output Destination tensor. Data type supported: F32 + * @param[in] crop_box_ind Index of the crop box to be used from @p crop_boxes. Default is 0. + * @param[in] extrapolation_value Value to be used for values outside of the image. Default is 0. + */ + void configure(const ITensor *input, + const ITensor *crop_boxes, + const ITensor *box_ind, + ITensor *output, + uint32_t crop_box_ind = 0, + float extrapolation_value = 0); + + /** Static function to check if given info will lead to a valid configuration of @ref CLStridedSliceKernel + * + * @note Supported tensor rank: up to 4 + * @note Padding not supported. + * + * @param[in] input Source tensor info. Data type supported: U8/U16/S16/U32/S32/F16/F32. Data layouts supported: NHWC. + * @param[in] crop_boxes Tensor info for tensor containing all possible boxes used to crop the image. Data type supported: F32 + * @param[in] box_ind Tensor info for the one dimensional tensor mapping the @p crop_box_ind to the index of the 3D image + * in @p input. Data type supported: F32 + * @param[in] output Destination tensor. Data type supported: F32 + * @param[in] crop_box_ind Index of the crop box to be used from @p crop_boxes. Default is 0. + * @param[in] extrapolation_value Value to be used for values outside of the image. Default is 0. + */ + static Status validate(const ITensorInfo *input, + const ITensorInfo *crop_boxes, + const ITensorInfo *box_ind, + const ITensorInfo *output, + uint32_t crop_box_ind = 0, + float extrapolation_value = 0); + + /** Configure output tensor's shape as this can only be determined at runtime. */ + void configure_output_shape(); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + + /** Function to use for in bounds crop for the particular tensor types passed to configure() */ + using InBoundsCropFunction = + void(const ITensor *, const ITensor *, float *, Coordinates, int32_t, int32_t, int32_t, bool, bool); + +private: + const ITensor *_input; + const ITensor *_crop_boxes; + const ITensor *_box_ind; + ITensor *_output; + + Coordinates _start; + Coordinates _end; + uint32_t _crop_box_ind; + float _extrapolation_value; + /** The number of rows out of bounds at the start and end of output. */ + std::array<uint32_t, 2> _rows_out_of_bounds; + /** The number of columns out of bounds at the start and end of output. */ + std::array<uint32_t, 2> _cols_out_of_bounds; +}; +} // namespace arm_compute +#endif /*ARM_COMPUTE_NEON_CROP_KERNEL_H */ |