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/CLDilateKernel.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 using namespace arm_compute;
33
border_size() const34 BorderSize CLDilateKernel::border_size() const
35 {
36 return BorderSize(1);
37 }
38
configure(const ICLTensor * input,ICLTensor * output,bool border_undefined)39 void CLDilateKernel::configure(const ICLTensor *input, ICLTensor *output, bool border_undefined)
40 {
41 configure(CLKernelLibrary::get().get_compile_context(), input, output, border_undefined);
42 }
43
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output,bool border_undefined)44 void CLDilateKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, bool border_undefined)
45 {
46 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
47 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
48
49 // Create kernel
50 _kernel = create_kernel(compile_context, "dilate");
51
52 _input = input;
53 _output = output;
54
55 // Configure kernel window
56 constexpr unsigned int num_elems_processed_per_iteration = 8;
57 constexpr unsigned int num_elems_read_per_iteration = 16;
58 constexpr unsigned int num_rows_read_per_iteration = 3;
59
60 Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size());
61
62 AccessWindowRectangle input_access(input->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration);
63 AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
64
65 update_window_and_padding(win, input_access, output_access);
66
67 output_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size());
68
69 ICLKernel::configure_internal(win);
70 }
71