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1 /*
2  * Copyright (c) 2018-2020 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 #ifndef ARM_COMPUTE_CLPERMUTEKERNEL_H
25 #define ARM_COMPUTE_CLPERMUTEKERNEL_H
26 
27 #include "src/core/CL/ICLKernel.h"
28 
29 namespace arm_compute
30 {
31 class ICLTensor;
32 
33 /** OpenCL kernel to perform tensor permutation.
34  *
35  * Permutes given a permutation vector
36  */
37 class CLPermuteKernel : public ICLKernel
38 {
39 public:
40     /** Default constructor */
41     CLPermuteKernel();
42     /** Prevent instances of this class from being copied (As this class contains pointers) */
43     CLPermuteKernel(const CLPermuteKernel &) = delete;
44     /** Prevent instances of this class from being copied (As this class contains pointers) */
45     CLPermuteKernel &operator=(const CLPermuteKernel &) = delete;
46     /** Allow instances of this class to be moved */
47     CLPermuteKernel(CLPermuteKernel &&) = default;
48     /** Allow instances of this class to be moved */
49     CLPermuteKernel &operator=(CLPermuteKernel &&) = default;
50     /** Set the input and output of the kernel.
51      *
52      * @note Arbitrary permutation vectors are supported with rank not greater than 4
53      *
54      * @param[in] input  The input tensor to permute. Data types supported: All.
55      * @param[in] output The output tensor. Data types supported: Same as @p input
56      * @param[in] perm   Permutation vector
57      */
58     void configure(const ICLTensor *input, ICLTensor *output, const PermutationVector &perm);
59     /** Set the input and output of the kernel.
60      *
61      * @note Arbitrary permutation vectors are supported with rank not greater than 4
62      *
63      * @param[in] compile_context The compile context to be used.
64      * @param[in] input           The input tensor to permute. Data types supported: All.
65      * @param[in] output          The output tensor. Data types supported: Same as @p input
66      * @param[in] perm            Permutation vector
67      */
68     void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const PermutationVector &perm);
69     /** Static function to check if given info will lead to a valid configuration of @ref CLPermuteKernel
70      *
71      * @note Arbitrary permutation vectors are supported with rank not greater than 4
72      *
73      * @param[in] input  First tensor input info. Data types supported: All.
74      * @param[in] output Output tensor info. Data types supported: same as @p input.
75      * @param[in] perm   Permutation vector
76      *
77      * @return a status
78      */
79     static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PermutationVector &perm);
80 
81     // Inherited methods overridden:
82     void run(const Window &window, cl::CommandQueue &queue) override;
83 
84 private:
85     const ICLTensor *_input;
86     ICLTensor        *_output;
87     PermutationVector _perm;
88 };
89 } // arm_compute
90 #endif /*ARM_COMPUTE_CLPERMUTEKERNEL_H */
91