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Diffstat (limited to 'src/core/NEON/kernels/NEPriorBoxLayerKernel.h')
| -rw-r--r-- | src/core/NEON/kernels/NEPriorBoxLayerKernel.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEPriorBoxLayerKernel.h b/src/core/NEON/kernels/NEPriorBoxLayerKernel.h new file mode 100644 index 0000000000..460f80e085 --- /dev/null +++ b/src/core/NEON/kernels/NEPriorBoxLayerKernel.h @@ -0,0 +1,110 @@ +/* + * Copyright (c) 2018-2020 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_NEPRIORBOXLAYERKERNEL_H +#define ARM_COMPUTE_NEPRIORBOXLAYERKERNEL_H + +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +class ITensor; + +/** Interface for the kernel to calculate prior boxes */ +class NEPriorBoxLayerKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEPriorBoxLayerKernel"; + } + /** Default constructor */ + NEPriorBoxLayerKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEPriorBoxLayerKernel(const NEPriorBoxLayerKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEPriorBoxLayerKernel &operator=(const NEPriorBoxLayerKernel &) = delete; + /** Allow instances of this class to be moved */ + NEPriorBoxLayerKernel(NEPriorBoxLayerKernel &&) = default; + /** Allow instances of this class to be moved */ + NEPriorBoxLayerKernel &operator=(NEPriorBoxLayerKernel &&) = default; + /** Default destructor */ + ~NEPriorBoxLayerKernel() = default; + /** Set the input and output tensors. + * + * @param[in] input1 First source tensor. Data types supported: F32. Data layouts supported: NCHW/NHWC. + * @param[in] input2 Second source tensor. Data types and layouts supported: same as @p input1 + * @param[out] output Destination tensor. Output dimensions are [W * H * num_priors * 4, 2]. Data type supported: same as @p input + * @param[in] info Prior box layer info. + */ + void configure(const ITensor *input1, const ITensor *input2, ITensor *output, const PriorBoxLayerInfo &info); + /** Static function to check if given info will lead to a valid configuration of @ref NEPriorBoxLayerKernel + * + * @param[in] input1 First source tensor info. Data types supported: F32. Data layouts supported: NCHW/NHWC. + * @param[in] input2 Second source tensor info. Data types and layouts supported: same as @p input1 + * @param[in] output Destination tensor info. Output dimensions are [W * H * num_priors * 4, 2]. Data type supported: same as @p input + * @param[in] info Prior box layer info. + * + * @return a status + */ + static Status validate(const ITensorInfo *input1, + const ITensorInfo *input2, + const ITensorInfo *output, + const PriorBoxLayerInfo &info); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + +private: + /** Stores the coordinates of the calculated prior boxes. + * + * @param[out] out Output pointer. + * @param[in] offset Output offset to write to. + * @param[in] center_x Center pixel value on x-axis. + * @param[in] center_y Center pixel value on y-axis. + * @param[in] box_width Prior box width. + * @param[in] box_height Prior box height. + * @param[in] width Input width. + * @param[in] height Input height. + */ + void store_coordinates(float *out, + const int offset, + const float center_x, + const float center_y, + const float box_width, + const float box_height, + const int width, + const int height); + /** Function to calculate prior boxes. + * + * @param[in] window Input region on which to execute the kernel. + */ + void calculate_prior_boxes(const Window &window); + + const ITensor *_input1; + const ITensor *_input2; + ITensor *_output; + PriorBoxLayerInfo _info; +}; +} // namespace arm_compute +#endif /* ARM_COMPUTE_NEPRIORBOXLAYERKERNEL_H */ |