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1 /*
2  * Copyright (c) 2019-2020 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_CLINSTANCENORMALIZATIONLAYERKERNEL_H
25 #define ARM_COMPUTE_CLINSTANCENORMALIZATIONLAYERKERNEL_H
26 
27 #include "src/core/CL/ICLKernel.h"
28 
29 #include "arm_compute/core/KernelDescriptors.h"
30 
31 namespace arm_compute
32 {
33 // Forward declarations
34 class ICLTensor;
35 
36 /** Interface for performing an instance normalization */
37 class CLInstanceNormalizationLayerKernel : public ICLKernel
38 {
39 public:
40     /** Constructor */
41     CLInstanceNormalizationLayerKernel();
42     /** Prevent instances of this class from being copied (As this class contains pointers) */
43     CLInstanceNormalizationLayerKernel(const CLInstanceNormalizationLayerKernel &) = delete;
44     /** Prevent instances of this class from being copied (As this class contains pointers) */
45     CLInstanceNormalizationLayerKernel &operator=(const CLInstanceNormalizationLayerKernel &) = delete;
46     /** Default Move Constructor. */
47     CLInstanceNormalizationLayerKernel(CLInstanceNormalizationLayerKernel &&) = default;
48     /** Default move assignment operator */
49     CLInstanceNormalizationLayerKernel &operator=(CLInstanceNormalizationLayerKernel &&) = default;
50     /** Default destructor */
51     ~CLInstanceNormalizationLayerKernel() = default;
52 
53     /** Set the input and output tensors.
54      *
55      * @param[in, out] input  Source tensor. Data types supported: F16/F32. Data layout supported: NCHW, NHWC
56      *                        In case of @p output tensor = nullptr this tensor will store the result of the normalization.
57      * @param[out]     output Destination tensor. Data types and data layouts supported: same as @p input.
58      * @param[in]      info   Kernel meta-data descriptor
59      */
60     void configure(ICLTensor *input, ICLTensor *output, const InstanceNormalizationLayerKernelInfo &info);
61     /** Set the input and output tensors.
62      *
63      * @param[in]      compile_context The compile context to be used.
64      * @param[in, out] input           Source tensor. Data types supported: F16/F32. Data layout supported: NCHW, NHWC
65      *                                 In case of @p output tensor = nullptr this tensor will store the result of the normalization.
66      * @param[out]     output          Destination tensor. Data types and data layouts supported: same as @p input.
67      * @param[in]      info            Kernel meta-data descriptor
68      */
69     void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output, const InstanceNormalizationLayerKernelInfo &info);
70 
71     /** Static function to check if given info will lead to a valid configuration of @ref CLInstanceNormalizationLayer.
72      *
73      * @param[in] input  Source tensor info. Data types supported: F16/F32. Data layout supported: NHWC, NCHW
74      * @param[in] output Destination tensor info. Data types and data layouts supported: same as @p input.
75      * @param[in] info   Kernel meta-data descriptor
76      *
77      * @return a status
78      */
79     static Status validate(const ITensorInfo *input, const ITensorInfo *output, const InstanceNormalizationLayerKernelInfo &info);
80 
81     // Inherited methods overridden:
82     void run(const Window &window, cl::CommandQueue &queue) override;
83 
84 private:
85     ICLTensor *_input;
86     ICLTensor *_output;
87     bool       _run_in_place;
88 };
89 } // namespace arm_compute
90 #endif /*ARM_COMPUTE_CLINSTANCENORMALIZATIONLAYERKERNEL_H */
91