1 /*
2 * Copyright (c) 2016-2020 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 "src/core/CL/kernels/CLGaussian3x3Kernel.h"
25
26 #include "arm_compute/core/CL/CLKernelLibrary.h"
27 #include "arm_compute/core/CL/ICLTensor.h"
28 #include "arm_compute/core/CL/OpenCL.h"
29 #include "arm_compute/core/Validate.h"
30 #include "src/core/helpers/WindowHelpers.h"
31
32 #include <set>
33 #include <string>
34
35 using namespace arm_compute;
36
border_size() const37 BorderSize CLGaussian3x3Kernel::border_size() const
38 {
39 return BorderSize(1);
40 }
41
configure(const ICLTensor * input,ICLTensor * output,bool border_undefined)42 void CLGaussian3x3Kernel::configure(const ICLTensor *input, ICLTensor *output, bool border_undefined)
43 {
44 configure(CLKernelLibrary::get().get_compile_context(), input, output, border_undefined);
45 }
46
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output,bool border_undefined)47 void CLGaussian3x3Kernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, bool border_undefined)
48 {
49 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
50 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
51
52 _input = input;
53 _output = output;
54
55 // Set build options
56 std::set<std::string> build_opts = { "-DMAT0=1", "-DMAT1=2", "-DMAT2=1",
57 "-DMAT3=2", "-DMAT4=4", "-DMAT5=2",
58 "-DMAT6=1", "-DMAT7=2", "-DMAT8=1",
59 "-DSCALE=16", "-DDATA_TYPE_OUT=uchar"
60 };
61
62 // Create kernel
63 _kernel = create_kernel(compile_context, "convolution3x3_static", build_opts);
64
65 // Configure kernel window
66 constexpr unsigned int num_elems_processed_per_iteration = 8;
67 constexpr unsigned int num_elems_written_per_iteration = 8;
68 constexpr unsigned int num_elems_read_per_iteration = 16;
69 constexpr unsigned int num_rows_read_per_iteration = 3;
70
71 Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size());
72
73 AccessWindowRectangle input_access(input->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration);
74 AccessWindowHorizontal output_access(output->info(), 0, num_elems_written_per_iteration);
75
76 update_window_and_padding(win, input_access, output_access);
77
78 output_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size());
79
80 ICLKernel::configure_internal(win);
81 }
82