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/*
* Copyright (c) 2019 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_NEPADLAYERKERNEL_H
#define ARM_COMPUTE_NEPADLAYERKERNEL_H
#include "arm_compute/core/NEON/INEKernel.h"
namespace arm_compute
{
class ITensor;
/** NEON kernel to add padding to a tensor
*
* Add padding given padding information
*/
class NEPadLayerKernel : public INEKernel
{
public:
const char *name() const override
{
return "NEPadLayerKernel";
}
/** Default constructor */
NEPadLayerKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEPadLayerKernel(const NEPadLayerKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEPadLayerKernel &operator=(const NEPadLayerKernel &) = delete;
/** Allow instances of this class to be moved */
NEPadLayerKernel(NEPadLayerKernel &&) = default;
/** Allow instances of this class to be moved */
NEPadLayerKernel &operator=(NEPadLayerKernel &&) = default;
/** Default destructor */
~NEPadLayerKernel() = default;
/** Initialize the function
*
* @param[in] input Source tensor. Data types supported: All.
* @param[out] output Output tensor. Data type supported: same as @p input
* @param[in] padding The padding for each spatial dimension of the input tensor. The pair padding[i]
* specifies the front and the end padding in the i-th dimension.
* @param[in] constant_value (Optional) Constant value to be used for the padding
* @param[in] mode (Optional) Controls whether the padding should be filled with @p constant_value using CONSTANT.
* Only CONSTANT padding mode is currently supported
*/
void configure(ITensor *input, ITensor *output, const PaddingList &padding, const PixelValue constant_value = PixelValue(), const PaddingMode mode = PaddingMode::CONSTANT);
/** Static function to check if given info will lead to a valid configuration of @ref NEPadLayer.
*
* @param[in] input Source tensor info. Data types supported: All.
* @param[in] output Output tensor info. Data type supported: same as @p input
* @param[in] padding The padding for each spatial dimension of the input tensor. The pair padding[i]
* specifies the front and the end padding in the i-th dimension.
* @param[in] constant_value (Optional) Constant value to be used for the padding
* @param[in] mode (Optional) Controls whether the padding should be filled with @p constant_value using CONSTANT.
* Only CONSTANT padding mode is currently supported
*
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PaddingList &padding, const PixelValue constant_value = PixelValue(), const PaddingMode mode = PaddingMode::CONSTANT);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
private:
/** Template function to run the padding function with constant padding
*
* @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
*/
template <typename T>
void run_pad_constant(const Window &window);
/** Function to run the padding function with constant padding for 3D input and 1D, 2D, 3D padding
*
* @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
*/
void run_pad_constant_uint8_3Dinput_3Dpad(const Window &window);
/** Common signature for all the specialised permute functions
*
* @param[in] window Region on which to execute the kernel.
*/
using PadFunctionPtr = void (NEPadLayerKernel::*)(const Window &window);
PadFunctionPtr _func;
const ITensor *_input;
ITensor *_output;
PaddingList _padding;
PixelValue _constant_value;
PaddingMode _mode;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_NEPADLAYERKERNEL_H */
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