Compute Library
 21.02
NESobel7x7.cpp
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25 
34 
35 namespace arm_compute
36 {
37 NESobel7x7::~NESobel7x7() = default;
38 
39 NESobel7x7::NESobel7x7(std::shared_ptr<IMemoryManager> memory_manager)
40  : _memory_group(std::move(memory_manager)), _sobel_hor(), _sobel_vert(), _tmp_x(), _tmp_y(), _border_handler()
41 {
42 }
43 
44 void NESobel7x7::configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value)
45 {
47 
48  const bool run_sobel_x = output_x != nullptr;
49  const bool run_sobel_y = output_y != nullptr;
50 
51  TensorInfo tensor_info(input->info()->tensor_shape(), Format::S32);
52  _sobel_hor = std::make_unique<NESobel7x7HorKernel>();
53  _sobel_vert = std::make_unique<NESobel7x7VertKernel>();
54  _border_handler = std::make_unique<NEFillBorderKernel>();
55 
56  if(run_sobel_x && run_sobel_y)
57  {
58  _tmp_x.allocator()->init(tensor_info);
59  _tmp_y.allocator()->init(tensor_info);
60  _memory_group.manage(&_tmp_x);
61  _memory_group.manage(&_tmp_y);
62  _sobel_hor->configure(input, &_tmp_x, &_tmp_y, border_mode == BorderMode::UNDEFINED);
63  _sobel_vert->configure(&_tmp_x, &_tmp_y, output_x, output_y, border_mode == BorderMode::UNDEFINED);
64  _tmp_x.allocator()->allocate();
65  _tmp_y.allocator()->allocate();
66  }
67  else if(run_sobel_x)
68  {
69  _tmp_x.allocator()->init(tensor_info);
70  _memory_group.manage(&_tmp_x);
71  _sobel_hor->configure(input, &_tmp_x, nullptr, border_mode == BorderMode::UNDEFINED);
72  _sobel_vert->configure(&_tmp_x, nullptr, output_x, nullptr, border_mode == BorderMode::UNDEFINED);
73  _tmp_x.allocator()->allocate();
74  }
75  else if(run_sobel_y)
76  {
77  _tmp_y.allocator()->init(tensor_info);
78  _memory_group.manage(&_tmp_y);
79  _sobel_hor->configure(input, nullptr, &_tmp_y, border_mode == BorderMode::UNDEFINED);
80  _sobel_vert->configure(nullptr, &_tmp_y, nullptr, output_y, border_mode == BorderMode::UNDEFINED);
81  _tmp_y.allocator()->allocate();
82  }
83 
84  _border_handler->configure(input, _sobel_hor->border_size(), border_mode, PixelValue(constant_border_value));
85 }
86 
88 {
89  NEScheduler::get().schedule(_border_handler.get(), Window::DimZ);
90 
91  MemoryGroupResourceScope scope_mg(_memory_group);
92 
93  NEScheduler::get().schedule(_sobel_hor.get(), Window::DimY);
94  NEScheduler::get().schedule(_sobel_vert.get(), Window::DimY);
95 }
96 } // namespace arm_compute
BorderMode
Methods available to handle borders.
Definition: Types.h:265
Class describing the value of a pixel for any image format.
Definition: PixelValue.h:34
void init(const TensorAllocator &allocator, const Coordinates &coords, TensorInfo &sub_info)
Shares the same backing memory with another tensor allocator, while the tensor info might be differen...
NESobel7x7(std::shared_ptr< IMemoryManager > memory_manager=nullptr)
Default constructor.
Definition: NESobel7x7.cpp:39
1 channel, 1 U8 per channel
~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.
TensorAllocator * allocator()
Return a pointer to the tensor&#39;s allocator.
Definition: Tensor.cpp:48
1 channel, 1 S32 per channel
void manage(IMemoryManageable *obj) override
Sets a object to be managed by the given memory group.
Definition: MemoryGroup.h:79
virtual const TensorShape & tensor_shape() const =0
Size for each dimension of the tensor.
void allocate() override
Allocate size specified by TensorInfo of CPU memory.
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:790
static constexpr size_t DimY
Alias for dimension 1 also known as Y dimension.
Definition: Window.h:45
Memory group resources scope handling class.
Definition: IMemoryGroup.h:82
virtual void schedule(ICPPKernel *kernel, const Hints &hints)=0
Runs the kernel in the same thread as the caller synchronously.
void run() override
Run the kernels contained in the function.
Definition: NESobel7x7.cpp:87
static constexpr size_t DimZ
Alias for dimension 2 also known as Z dimension.
Definition: Window.h:47
Borders are left undefined.
Store the tensor&#39;s metadata.
Definition: TensorInfo.h:45
static IScheduler & get()
Access the scheduler singleton.
Definition: Scheduler.cpp:94