Compute Library
 21.02
CLThresholdKernel.cpp
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25 
32 
33 #include <string>
34 
35 namespace arm_compute
36 {
38 {
39  configure(CLKernelLibrary::get().get_compile_context(), input, output, info);
40 }
41 
42 void CLThresholdKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const ThresholdKernelInfo &info)
43 {
46 
47  // Construct kernel name
48  std::string kernel_name = "threshold";
49 
50  switch(info.type)
51  {
53  kernel_name += "_binary";
54  break;
56  kernel_name += "_range";
57  break;
58  default:
59  ARM_COMPUTE_ERROR("Thresholding type not recognized");
60  break;
61  }
62 
63  // Create kernel
64  _kernel = create_kernel(compile_context, kernel_name);
65 
66  // Set arguments
67  unsigned int idx = 2 * num_arguments_per_2D_tensor(); //Skip the input and output parameters
68  _kernel.setArg(idx++, info.false_value);
69  _kernel.setArg(idx++, info.true_value);
70  _kernel.setArg(idx++, info.threshold);
71 
72  if(ThresholdType::RANGE == info.type)
73  {
74  _kernel.setArg(idx++, info.upper);
75  }
76 
77  // Make sure _kernel is initialized before calling the parent's configure
78  constexpr unsigned int num_elems_processed_per_iteration = 16;
79  ICLSimple2DKernel::configure(input, output, num_elems_processed_per_iteration);
80 }
81 } // namespace arm_compute
#define ARM_COMPUTE_ERROR(msg)
Print the given message then throw an std::runtime_error.
Definition: Error.h:352
1 channel, 1 U8 per channel
static CLKernelLibrary & get()
Access the KernelLibrary singleton.
Copyright (c) 2017-2021 Arm Limited.
void configure(const ICLTensor *input, ICLTensor *output, unsigned int num_elems_processed_per_iteration, bool border_undefined=false, const BorderSize &border_size=BorderSize())
Configure the kernel.
cl::Kernel create_kernel(const CLCompileContext &ctx, const std::string &kernel_name, const std::set< std::string > &build_opts=std::set< std::string >())
Creates an opencl kernel using a compile context.
Definition: CLHelpers.cpp:403
std::string kernel_name
static constexpr unsigned int num_arguments_per_2D_tensor()
Returns the number of arguments enqueued per 2D tensor object.
Definition: ICLKernel.h:206
void configure(const ICLTensor *input, ICLTensor *output, const ThresholdKernelInfo &info)
Initialise the kernel&#39;s input, output and threshold parameters.
#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:790
CLCompileContext class.
ScaleKernelInfo info(interpolation_policy, default_border_mode, PixelValue(), sampling_policy, false)
Interface for OpenCL tensor.
Definition: ICLTensor.h:42
Manages all the OpenCL kernels compilation and caching, provides accessors for the OpenCL Context...
Wrapper to configure the Khronos OpenCL C++ header.
Threshold with two values.
unsigned int num_elems_processed_per_iteration
Threshold with one value.