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/*
* 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_CLPADLAYER_H
#define ARM_COMPUTE_CLPADLAYER_H
#include "arm_compute/core/CL/kernels/CLCopyKernel.h"
#include "arm_compute/core/CL/kernels/CLPadLayerKernel.h"
#include "arm_compute/runtime/CL/CLTensor.h"
#include "arm_compute/runtime/IFunction.h"
namespace arm_compute
{
class ICLTensor;
/** Basic function to pad a tensor. This function calls the following OpenCL functions/kernels:
*
* -# @ref CLPadLayerKernel if there is padding to be added
* -# @ref CLCopyKernel otherwise
*/
class CLPadLayer : public IFunction
{
public:
/** Default constructor */
CLPadLayer();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLPadLayer(const CLPadLayer &) = delete;
/** Default move constructor */
CLPadLayer(CLPadLayer &&) = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLPadLayer &operator=(const CLPadLayer &) = delete;
/** Default move assignment operator */
CLPadLayer &operator=(CLPadLayer &&) = 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,
* or reflect the input, either including the border values (SYMMETRIC) or not (REFLECT).
*/
void configure(ICLTensor *input, ICLTensor *output, const PaddingList &padding, PixelValue constant_value = PixelValue(), PaddingMode mode = PaddingMode::CONSTANT);
/** Initialize the function
*
* @param[in] compile_context The compile context to be used.
* @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,
* or reflect the input, either including the border values (SYMMETRIC) or not (REFLECT).
*/
void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output, const PaddingList &padding, PixelValue constant_value = PixelValue(),
PaddingMode mode = PaddingMode::CONSTANT);
/** Static function to check if given info will lead to a valid configuration of @ref CLPadLayer.
*
* @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,
* or reflect the input, either including the border values (SYMMETRIC) or not (REFLECT).
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PaddingList &padding, PixelValue constant_value = PixelValue(), PaddingMode mode = PaddingMode::CONSTANT);
// Inherited methods overridden:
void run() override;
private:
void configure_reflect_mode(ICLTensor *input, ICLTensor *output);
CLPadLayerKernel _pad_kernel;
CLCopyKernel _copy_kernel;
bool _perform_pad;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_PADLAYER_H */
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