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+/*
+ * Copyright (c) 2017 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_CLDEPTHWISEIM2COLKERNEL_H__
+#define __ARM_COMPUTE_CLDEPTHWISEIM2COLKERNEL_H__
+
+#include "arm_compute/core/CL/ICLKernel.h"
+#include "arm_compute/core/Size2D.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Interface for the depthwise im2col reshape kernel.
+ * This kernel reshape the input low 3 dimensions to a new 3D shape where the output's first dimension is
+ * the linear patch size (FILTER_WIDTH * FILTER_HEIGHT) and second dimension is number of patches in per image and third dimension unchanged .
+ **/
+class CLDepthwiseIm2ColKernel : public ICLKernel
+{
+public:
+ /** Default constructor */
+ CLDepthwiseIm2ColKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLDepthwiseIm2ColKernel(const CLDepthwiseIm2ColKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLDepthwiseIm2ColKernel &operator=(const CLDepthwiseIm2ColKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ CLDepthwiseIm2ColKernel(CLDepthwiseIm2ColKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ CLDepthwiseIm2ColKernel &operator=(CLDepthwiseIm2ColKernel &&) = default;
+ /** Set the input and output of the kernel.
+ *
+ * @param[in] input The input tensor to convert. 3 lower dimensions represent a single input [width, height, IFM],
+ * while every optional dimension from 4 and above represent a batch of inputs. Data types supported: F32
+ * @param[out] output The output tensor. First 3 lower dimensions represent a transform of each 3D input,
+ * while every dimension above 3 represents a batch. Data types supported: Same as @p input
+ * @param[in] kernel_dims The kernel dimensions (width and height).
+ * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, const Size2D &kernel_dims, const PadStrideInfo &conv_info);
+
+ // Inherited methods overridden:
+ void run(const Window &window, cl::CommandQueue &queue) override;
+
+private:
+ const ICLTensor *_input;
+ ICLTensor *_output;
+};
+} // arm_compute
+#endif /*__ARM_COMPUTE_CLDEPTHWISEIM2COLKERNEL_H__ */