Compute Library
 21.02
CLHOG.cpp
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1 /*
2  * Copyright (c) 2017-2018 Arm Limited.
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24 
26 
28 #include "arm_compute/core/Error.h"
30 
31 using namespace arm_compute;
32 
34  : _info(), _buffer()
35 {
36 }
37 
39 {
40  ARM_COMPUTE_ERROR_ON(_buffer.get() != nullptr);
41  _info = input;
42  _buffer = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, info()->descriptor_size() * sizeof(float));
43 }
44 
46 {
47  ARM_COMPUTE_ERROR_ON(_buffer.get() == nullptr);
48 
49  _buffer = cl::Buffer();
50 }
51 
52 const HOGInfo *CLHOG::info() const
53 {
54  return &_info;
55 }
56 
57 const cl::Buffer &CLHOG::cl_buffer() const
58 {
59  return _buffer;
60 }
61 
62 void CLHOG::map(bool blocking)
63 {
64  ARM_COMPUTE_ERROR_ON(descriptor() != nullptr);
65  ICLHOG::map(CLScheduler::get().queue(), blocking);
66 }
67 
69 {
70  ARM_COMPUTE_ERROR_ON(descriptor() == nullptr);
72 }
73 
74 uint8_t *CLHOG::do_map(cl::CommandQueue &q, bool blocking)
75 {
76  ARM_COMPUTE_ERROR_ON(_buffer.get() == nullptr);
77  return static_cast<uint8_t *>(q.enqueueMapBuffer(_buffer, blocking ? CL_TRUE : CL_FALSE, CL_MAP_READ | CL_MAP_WRITE, 0, info()->descriptor_size() * sizeof(float)));
78 }
79 
80 void CLHOG::do_unmap(cl::CommandQueue &q)
81 {
82  ARM_COMPUTE_ERROR_ON(_buffer.get() == nullptr);
83  q.enqueueUnmapMemObject(_buffer, descriptor());
84 }
void init(const HOGInfo &input)
Allocate the HOG descriptor using the given HOG&#39;s metadata.
Definition: CLHOG.cpp:38
static CLScheduler & get()
Access the scheduler singleton.
Store the HOG&#39;s metadata.
Definition: HOGInfo.h:35
#define ARM_COMPUTE_ERROR_ON(cond)
If the condition is true then an error message is printed and an exception thrown.
Definition: Error.h:466
void map(cl::CommandQueue &q, bool blocking=true)
Enqueue a map operation of the allocated buffer on the given queue.
Definition: ICLHOG.cpp:33
Copyright (c) 2017-2021 Arm Limited.
Interface to enqueue OpenCL kernels and get/set the OpenCL CommandQueue and ICLTuner.
const cl::Buffer & cl_buffer() const override
Interface to be implemented by the child class to return a reference to the OpenCL buffer containing ...
Definition: CLHOG.cpp:57
void free() override
Interface to be implemented by the child class to free the allocated cl buffer.
Definition: CLHOG.cpp:45
void unmap()
Enqueue an unmap operation of the allocated and mapped buffer.
Definition: CLHOG.cpp:68
void map(bool blocking=true)
Enqueue a map operation of the allocated buffer.
Definition: CLHOG.cpp:62
Wrapper to configure the Khronos OpenCL C++ header.
float * descriptor() const override
Pointer to the first element of the array which stores the linear SVM coefficients of HOG descriptor...
Definition: ICLHOG.cpp:44
CLHOG()
Default constructor.
Definition: CLHOG.cpp:33
const HOGInfo * info() const override
Interface to be implemented by the child class to return the HOG&#39;s metadata.
Definition: CLHOG.cpp:52
void unmap(cl::CommandQueue &q)
Enqueue an unmap operation of the allocated and mapped buffer on the given queue. ...
Definition: ICLHOG.cpp:38