Compute Library
 21.08
CLFlattenLayer.cpp
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25 
31 #include "src/core/CL/ICLKernel.h"
34 
35 namespace arm_compute
36 {
37 struct CLFlattenLayer::Impl
38 {
39  const ICLTensor *src{ nullptr };
40  ICLTensor *dst{ nullptr };
41  std::unique_ptr<opencl::ClFlatten> op{ nullptr };
42 };
43 
45  : _impl(std::make_unique<Impl>())
46 {
47 }
51 
53 {
54  configure(CLKernelLibrary::get().get_compile_context(), input, output);
55 }
56 
57 void CLFlattenLayer::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output)
58 {
59  ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
60  _impl->src = input;
61  _impl->dst = output;
62  auto_init_if_empty(*output->info(), input->info()->clone()->set_tensor_shape(misc::shape_calculator::compute_flatten_shape(input->info())));
63 
64  _impl->op = std::make_unique<opencl::ClFlatten>();
65  _impl->op->configure(compile_context, _impl->src->info(), _impl->dst->info());
66 }
67 
69 {
70  // Checks performed when output is configured
71  if(output->total_size() != 0)
72  {
73  const TensorInfo tensor_info_output = input->clone()->set_tensor_shape(misc::shape_calculator::compute_flatten_shape(input));
74  ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(output, &tensor_info_output);
75  }
76  return opencl::ClFlatten::validate(input, output);
77 }
78 
80 {
82  pack.add_tensor(TensorType::ACL_SRC, _impl->src);
83  pack.add_tensor(TensorType::ACL_DST, _impl->dst);
84  _impl->op->run(pack);
85 }
86 } // namespace arm_compute
static Status validate(const ITensorInfo *input, const ITensorInfo *output)
Static function to check if given info will lead to a valid configuration of CLFlattenLayer.
static CLKernelLibrary & get()
Access the KernelLibrary singleton.
Store the tensor&#39;s metadata.
Definition: ITensorInfo.h:40
Manages all the OpenCL kernels compilation and caching, provides accessors for the OpenCL Context...
Status class.
Definition: Error.h:52
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2021 Arm Limited.
Basic function to execute flatten.
TensorShape compute_flatten_shape(const ITensorInfo *input)
Calculate the flattened output shape of a tensor.
void run() override
Run the kernels contained in the function.
bool auto_init_if_empty(ITensorInfo &info, const TensorShape &shape, int num_channels, DataType data_type, QuantizationInfo quantization_info=QuantizationInfo())
Auto initialize the tensor info (shape, number of channels and data type) if the current assignment i...
virtual std::unique_ptr< T > clone() const =0
Provide a clone of the current object of class T.
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
void configure(const ICLTensor *input, ICLTensor *output)
Initialise the kernel&#39;s input and output.
CLCompileContext class.
Interface for OpenCL tensor.
Definition: ICLTensor.h:42
virtual size_t total_size() const =0
Returns the total size of the tensor in bytes.
#define ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(...)
Definition: Validate.h:439
Tensor packing service.
Definition: ITensorPack.h:39
#define ARM_COMPUTE_ERROR_ON_NULLPTR(...)
Definition: Validate.h:157
Store the tensor&#39;s metadata.
Definition: TensorInfo.h:43
CLFlattenLayer & operator=(const CLFlattenLayer &)=delete
Prevent instances of this class from being copied (As this class contains pointers) ...
static Status validate(const ITensorInfo *src, const ITensorInfo *dst)
Static function to check if given info will lead to a valid configuration.
Definition: ClFlatten.cpp:40
void add_tensor(int id, ITensor *tensor)
Add tensor to the pack.
Definition: ITensorPack.cpp:39