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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_CLCHANNELSHUFFLELAYERKERNEL_H
+#define ARM_COMPUTE_CLCHANNELSHUFFLELAYERKERNEL_H
+
+#include "src/core/CL/ICLKernel.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Interface for the channel shuffle kernel */
+class CLChannelShuffleLayerKernel : public ICLKernel
+{
+public:
+ /** Default constructor */
+ CLChannelShuffleLayerKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLChannelShuffleLayerKernel(const CLChannelShuffleLayerKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLChannelShuffleLayerKernel &operator=(const CLChannelShuffleLayerKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ CLChannelShuffleLayerKernel(CLChannelShuffleLayerKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ CLChannelShuffleLayerKernel &operator=(CLChannelShuffleLayerKernel &&) = default;
+ /** Default destructor */
+ ~CLChannelShuffleLayerKernel() = default;
+ /** Configure function's inputs and outputs.
+ *
+ * @param[in] input Input tensor. Data types supported: All.
+ * @param[out] output Output tensor. Data type supported: Same as @p input
+ * @param[in] num_groups Number of groups. Must be greater than 1 and the number of channels of the tensors must be a multiple of the number of groups.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, unsigned int num_groups);
+ /** Configure function's inputs and outputs.
+ *
+ * @param[in] compile_context The compile context to be used.
+ * @param[in] input Input tensor. Data types supported: All.
+ * @param[out] output Output tensor. Data type supported: Same as @p input
+ * @param[in] num_groups Number of groups. Must be greater than 1 and the number of channels of the tensors must be a multiple of the number of groups.
+ */
+ void configure(const CLCompileContext &compile_context,
+ const ICLTensor *input,
+ ICLTensor *output,
+ unsigned int num_groups);
+ /** Static function to check if given info will lead to a valid configuration of @ref CLChannelShuffleLayerKernel
+ *
+ * @param[in] input Input tensor info. Data types supported: All.
+ * @param[in] output Output tensor info. Data type supported: Same as @p input
+ * @param[in] num_groups Number of groups. Must be greater than 1 and the number of channels of the tensors must be a multiple of the number of groups.
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int num_groups);
+
+ // Inherited methods overridden:
+ void run(const Window &window, cl::CommandQueue &queue) override;
+
+private:
+ const ICLTensor *_input;
+ ICLTensor *_output;
+};
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CLCHANNELSHUFFLELAYERKERNEL_H */