Compute Library
 21.02
NESobel7x7.h
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2  * Copyright (c) 2016-2021 Arm Limited.
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4  * SPDX-License-Identifier: MIT
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24 #ifndef ARM_COMPUTE_NESOBEL7x7_H
25 #define ARM_COMPUTE_NESOBEL7x7_H
26 
27 #include "arm_compute/core/Types.h"
32 
33 #include <cstdint>
34 #include <memory>
35 
36 namespace arm_compute
37 {
38 class ITensor;
39 class NESobel7x7HorKernel;
40 class NESobel7x7VertKernel;
41 class NEFillBorderKernel;
42 
43 /** Basic function to execute sobel 7x7 filter. This function calls the following Neon kernels:
44  *
45  * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
46  * -# @ref NESobel7x7HorKernel
47  * -# @ref NESobel7x7VertKernel
48  *
49  * @deprecated This function is deprecated and is intended to be removed in 21.05 release
50  *
51  */
52 class NESobel7x7 : public IFunction
53 {
54 public:
55  /** Default constructor */
56  NESobel7x7(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
57  /** Prevent instances of this class from being copied (As this class contains pointers) */
58  NESobel7x7(const NESobel7x7 &) = delete;
59  /** Prevent instances of this class from being copied (As this class contains pointers) */
60  NESobel7x7 &operator=(const NESobel7x7 &) = delete;
61  /** Prevent instances of this class from being moved (As this class contains non movable objects) */
62  NESobel7x7(NESobel7x7 &&) = delete;
63  /** Prevent instances of this class from being moved (As this class contains non movable objects) */
64  NESobel7x7 &operator=(NESobel7x7 &&) = delete;
65  /** Default destructor */
66  ~NESobel7x7();
67  /** Initialise the function's source, destinations and border mode.
68  *
69  * @note At least one of output_x or output_y must be not NULL.
70  *
71  * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
72  * @param[out] output_x (optional) Destination for the Sobel 7x7 convolution along the X axis. Data type supported: S32.
73  * @param[out] output_y (optional) Destination for the Sobel 7x7 convolution along the Y axis. Data type supported: S32.
74  * @param[in] border_mode Border mode to use for the convolution.
75  * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
76  *
77  */
78  void configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
79 
80  // Inherited methods overridden:
81  void run() override;
82 
83 protected:
84  MemoryGroup _memory_group; /**< Function memory group */
85  std::unique_ptr<NESobel7x7HorKernel> _sobel_hor; /**< Sobel Horizontal 7x7 kernel */
86  std::unique_ptr<NESobel7x7VertKernel> _sobel_vert; /**< Sobel Vertical 7x7 kernel */
87  Tensor _tmp_x; /**< Temporary buffer for Sobel X */
88  Tensor _tmp_y; /**< Temporary buffer for Sobel Y */
89  std::unique_ptr<NEFillBorderKernel> _border_handler; /**< Kernel to handle tensor borders */
90 };
91 }
92 #endif /*ARM_COMPUTE_NESOBEL7x7_H */
BorderMode
Methods available to handle borders.
Definition: Types.h:265
Base class for all functions.
Definition: IFunction.h:30
NESobel7x7(std::shared_ptr< IMemoryManager > memory_manager=nullptr)
Default constructor.
Definition: NESobel7x7.cpp:39
Basic function to execute sobel 7x7 filter.
Definition: NESobel7x7.h:52
~NESobel7x7()
Default destructor.
Interface for Neon tensor.
Definition: ITensor.h:36
void configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value=0)
Initialise the function&#39;s source, destinations and border mode.
Definition: NESobel7x7.cpp:44
Copyright (c) 2017-2021 Arm Limited.
NESobel7x7 & operator=(const NESobel7x7 &)=delete
Prevent instances of this class from being copied (As this class contains pointers) ...
Basic implementation of the tensor interface.
Definition: Tensor.h:37
void run() override
Run the kernels contained in the function.
Definition: NESobel7x7.cpp:87