1 /*
2 * Copyright (c) 2019-2020 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #include "arm_compute/runtime/CL/functions/CLFFT2D.h"
25
26 #include "arm_compute/core/CL/ICLTensor.h"
27 #include "arm_compute/core/Validate.h"
28 #include "arm_compute/runtime/CL/CLScheduler.h"
29 #include "src/core/CL/kernels/CLFFTDigitReverseKernel.h"
30 #include "src/core/CL/kernels/CLFFTRadixStageKernel.h"
31 #include "src/core/CL/kernels/CLFFTScaleKernel.h"
32
33 namespace arm_compute
34 {
CLFFT2D(std::shared_ptr<IMemoryManager> memory_manager)35 CLFFT2D::CLFFT2D(std::shared_ptr<IMemoryManager> memory_manager)
36 : _memory_group(memory_manager), _first_pass_func(memory_manager), _second_pass_func(memory_manager), _first_pass_tensor()
37 {
38 }
39
40 CLFFT2D::~CLFFT2D() = default;
41
configure(const ICLTensor * input,ICLTensor * output,const FFT2DInfo & config)42 void CLFFT2D::configure(const ICLTensor *input, ICLTensor *output, const FFT2DInfo &config)
43 {
44 configure(CLKernelLibrary::get().get_compile_context(), input, output, config);
45 }
46
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output,const FFT2DInfo & config)47 void CLFFT2D::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const FFT2DInfo &config)
48 {
49 ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
50 ARM_COMPUTE_ERROR_THROW_ON(CLFFT2D::validate(input->info(), output->info(), config));
51
52 // Setup first pass
53 FFT1DInfo first_pass_config;
54 first_pass_config.axis = config.axis0;
55 first_pass_config.direction = config.direction;
56 _memory_group.manage(&_first_pass_tensor);
57 _first_pass_func.configure(compile_context, input, &_first_pass_tensor, first_pass_config);
58
59 // Setup second pass
60 FFT1DInfo second_pass_config;
61 second_pass_config.axis = config.axis1;
62 second_pass_config.direction = config.direction;
63 _second_pass_func.configure(compile_context, &_first_pass_tensor, output, second_pass_config);
64 _first_pass_tensor.allocator()->allocate();
65 }
66
validate(const ITensorInfo * input,const ITensorInfo * output,const FFT2DInfo & config)67 Status CLFFT2D::validate(const ITensorInfo *input, const ITensorInfo *output, const FFT2DInfo &config)
68 {
69 ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output);
70
71 // Create intermediate tensor info
72 TensorInfo first_pass_tensor(input->clone()->set_is_resizable(true).reset_padding().set_num_channels(2));
73
74 // Validate first pass
75 FFT1DInfo first_pass_config;
76 first_pass_config.axis = config.axis0;
77 first_pass_config.direction = config.direction;
78 ARM_COMPUTE_RETURN_ON_ERROR(CLFFT1D::validate(input, &first_pass_tensor, first_pass_config));
79
80 // Validate second pass
81 FFT1DInfo second_pass_config;
82 second_pass_config.axis = config.axis1;
83 second_pass_config.direction = config.direction;
84 ARM_COMPUTE_RETURN_ON_ERROR(CLFFT1D::validate(&first_pass_tensor, output, second_pass_config));
85
86 // Checks performed when output is configured
87 if((output != nullptr) && (output->total_size() != 0))
88 {
89 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output);
90 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
91 }
92
93 return Status{};
94 }
95
run()96 void CLFFT2D::run()
97 {
98 MemoryGroupResourceScope scope_mg(_memory_group);
99
100 _first_pass_func.run();
101 _second_pass_func.run();
102 }
103 } // namespace arm_compute
104