ClPermuteKernel.h

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/*
 * Copyright (c) 2018-2021 Arm Limited.
 *
 * SPDX-License-Identifier: MIT
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#ifndef ARM_COMPUTE_CL_PERMUTE_KERNEL_H
#define ARM_COMPUTE_CL_PERMUTE_KERNEL_H

#include "src/core/common/Macros.h"
#include "src/core/gpu/cl/ClCompileContext.h"
#include "src/core/gpu/cl/IClKernel.h"

namespace arm_compute
{
namespace opencl
{
namespace kernels
{
/** OpenCL kernel to perform tensor permutation.
 *
 * Permutes given a permutation vector
 */
class ClPermuteKernel : public IClKernel
{
public:
    /** Default constructor */
    ClPermuteKernel() = default;
    ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClPermuteKernel);
    /** Set the src and dst of the kernel.
     *
     * @note Arbitrary permutation vectors are supported with rank not greater than 4
     *
     * @param[in] compile_context The compile context to be used.
     * @param[in] src             The src tensor info. Data types supported: All.
     * @param[in] dst             The dst tensor info. Data types supported: Same as @p src
     * @param[in] perm            Permutation vector
     */
    void configure(const CLCompileContext &compile_context, const ITensorInfo *src, ITensorInfo *dst, const PermutationVector &perm);
    /** Static function to check if given info will lead to a valid configuration of @ref ClPermuteKernel
     *
     * @note Arbitrary permutation vectors are supported with rank not greater than 4
     *
     * @param[in] src  The src tensor info. Data types supported: All.
     * @param[in] dst  The dst tensor info. Data types supported: same as @p src.
     * @param[in] perm Permutation vector
     *
     * @return a status
     */
    static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const PermutationVector &perm);

    // Inherited methods overridden:
    void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override;

private:
    PermutationVector _perm{};
};
} // namespace kernels
} // namespace opencl
} // namespace arm_compute
#endif /*ARM_COMPUTE_CL_PERMUTE_KERNEL_H */