Compute Library
 21.02
NESobel5x5.cpp
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25 
34 
35 namespace arm_compute
36 {
37 NESobel5x5::~NESobel5x5() = default;
38 
39 NESobel5x5::NESobel5x5(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 NESobel5x5::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::S16);
52 
53  _sobel_hor = std::make_unique<NESobel5x5HorKernel>();
54  _sobel_vert = std::make_unique<NESobel5x5VertKernel>();
55  _border_handler = std::make_unique<NEFillBorderKernel>();
56 
57  if(run_sobel_x && run_sobel_y)
58  {
59  _tmp_x.allocator()->init(tensor_info);
60  _tmp_y.allocator()->init(tensor_info);
61  _memory_group.manage(&_tmp_x);
62  _memory_group.manage(&_tmp_y);
63  _sobel_hor->configure(input, &_tmp_x, &_tmp_y, border_mode == BorderMode::UNDEFINED);
64  _sobel_vert->configure(&_tmp_x, &_tmp_y, output_x, output_y, border_mode == BorderMode::UNDEFINED);
65  _tmp_x.allocator()->allocate();
66  _tmp_y.allocator()->allocate();
67  }
68  else if(run_sobel_x)
69  {
70  _tmp_x.allocator()->init(tensor_info);
71  _memory_group.manage(&_tmp_x);
72  _sobel_hor->configure(input, &_tmp_x, nullptr, border_mode == BorderMode::UNDEFINED);
73  _sobel_vert->configure(&_tmp_x, nullptr, output_x, nullptr, border_mode == BorderMode::UNDEFINED);
74  _tmp_x.allocator()->allocate();
75  }
76  else if(run_sobel_y)
77  {
78  _tmp_y.allocator()->init(tensor_info);
79  _memory_group.manage(&_tmp_y);
80  _sobel_hor->configure(input, nullptr, &_tmp_y, border_mode == BorderMode::UNDEFINED);
81  _sobel_vert->configure(nullptr, &_tmp_y, nullptr, output_y, border_mode == BorderMode::UNDEFINED);
82  _tmp_y.allocator()->allocate();
83  }
84 
85  _border_handler->configure(input, _sobel_hor->border_size(), border_mode, PixelValue(constant_border_value));
86 }
87 
89 {
90  NEScheduler::get().schedule(_border_handler.get(), Window::DimZ);
91 
92  MemoryGroupResourceScope scope_mg(_memory_group);
93 
94  NEScheduler::get().schedule(_sobel_hor.get(), Window::DimY);
95  NEScheduler::get().schedule(_sobel_vert.get(), Window::DimY);
96 }
97 } // 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...
~NESobel5x5()
Default destructor.
1 channel, 1 U8 per channel
Interface for Neon tensor.
Definition: ITensor.h:36
Copyright (c) 2017-2021 Arm Limited.
TensorAllocator * allocator()
Return a pointer to the tensor&#39;s allocator.
Definition: Tensor.cpp:48
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.
NESobel5x5(std::shared_ptr< IMemoryManager > memory_manager=nullptr)
Default constructor.
Definition: NESobel5x5.cpp:39
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.
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: NESobel5x5.cpp:44
1 channel, 1 S16 per channel
#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.
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
void run() override
Run the kernels contained in the function.
Definition: NESobel5x5.cpp:88