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/*
* Copyright (c) 2017-2019 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_GCTENSORSHIFTKERNEL_H
#define ARM_COMPUTE_GCTENSORSHIFTKERNEL_H
#include "arm_compute/core/GLES_COMPUTE/IGCKernel.h"
#include "arm_compute/core/GLES_COMPUTE/OpenGLES.h"
namespace arm_compute
{
class IGCTensor;
/** Interface for the kernel to shift valid data on a tensor.
*
* For example shifting 3x3 valid data with padding of 1 to right:
* @f[
* \left( \begin{array}{ccccc}
* 0 & 0 & 0 & 0 & 0 \\
* a00 & a01 & a02 & 0 & 0 \\
* a10 & a11 & a12 & 0 & 0 \\
* a20 & a21 & a22 & 0 & 0 \\
* 0 & 0 & 0 & 0 & 0 \\
* \end{array} \right)
* =
* \left( \begin{array}{ccccc}
* 0 & 0 & 0 & 0 & 0 \\
* 0 & a00 & a01 & a02 & 0 \\
* 0 & a10 & a11 & a12 & 0 \\
* 0 & a20 & a21 & a22 & 0 \\
* 0 & 0 & 0 & 0 & 0 \\
* \end{array} \right)
* @f]
*/
class GCTensorShiftKernel : public IGCKernel
{
public:
/** Default constructor */
GCTensorShiftKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
GCTensorShiftKernel(const GCTensorShiftKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
GCTensorShiftKernel &operator=(const GCTensorShiftKernel &) = delete;
/** Allow instances of this class to be moved */
GCTensorShiftKernel(GCTensorShiftKernel &&) = default;
/** Allow instances of this class to be moved */
GCTensorShiftKernel &operator=(GCTensorShiftKernel &&) = default;
/** Default destructor */
~GCTensorShiftKernel() = default;
/** Set the input of the kernel.
*
* @param[in,out] input Source tensor. Data types supported: F16/F32
*/
void configure(IGCTensor *input);
// Inherited methods overridden:
void run(const Window &window) override;
private:
IGCTensor *_input;
gles::NDRange _lws;
int _left_padding;
};
}
#endif /*ARM_COMPUTE_GCTENSORSHIFTKERNEL_H */
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