Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Anthony Barbier | 6db0ff5 | 2018-01-05 10:59:12 +0000 | [diff] [blame] | 2 | * Copyright (c) 2016, 2018 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 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/NEON/NEFunctions.h" |
| 25 | |
| 26 | #include "arm_compute/core/Types.h" |
| 27 | #include "utils/Utils.h" |
| 28 | |
| 29 | using namespace arm_compute; |
| 30 | using namespace utils; |
| 31 | |
Michalis Spyrou | 2b5f0f2 | 2018-01-10 14:08:50 +0000 | [diff] [blame] | 32 | class NEONScaleExample : public Example |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 33 | { |
Michalis Spyrou | 2b5f0f2 | 2018-01-10 14:08:50 +0000 | [diff] [blame] | 34 | public: |
| 35 | void do_setup(int argc, char **argv) override |
| 36 | { |
| 37 | PPMLoader ppm; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 38 | |
Michalis Spyrou | 2b5f0f2 | 2018-01-10 14:08:50 +0000 | [diff] [blame] | 39 | if(argc < 2) |
| 40 | { |
| 41 | // Print help |
| 42 | std::cout << "Usage: ./build/neon_scale[input_image.ppm]\n\n"; |
| 43 | std::cout << "No input_image provided, creating a dummy 640x480 image\n"; |
| 44 | // Create an empty grayscale 640x480 image |
| 45 | src.allocator()->init(TensorInfo(640, 480, Format::U8)); |
| 46 | } |
| 47 | else |
| 48 | { |
| 49 | ppm.open(argv[1]); |
| 50 | ppm.init_image(src, Format::U8); |
| 51 | } |
| 52 | |
| 53 | constexpr int scale_factor = 2; |
| 54 | |
| 55 | TensorInfo dst_tensor_info(src.info()->dimension(0) / scale_factor, src.info()->dimension(1) / scale_factor, |
| 56 | Format::U8); |
| 57 | |
| 58 | // Configure the destination image |
| 59 | dst.allocator()->init(dst_tensor_info); |
| 60 | |
| 61 | // Configure Scale function object: |
| 62 | scale.configure(&src, &dst, InterpolationPolicy::NEAREST_NEIGHBOR, BorderMode::UNDEFINED); |
| 63 | |
| 64 | // Allocate all the images |
| 65 | src.allocator()->allocate(); |
| 66 | dst.allocator()->allocate(); |
| 67 | |
| 68 | // Fill the input image with the content of the PPM image if a filename was provided: |
| 69 | if(ppm.is_open()) |
| 70 | { |
| 71 | ppm.fill_image(src); |
| 72 | output_filename = std::string(argv[1]) + "_out.ppm"; |
| 73 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 74 | } |
Michalis Spyrou | 2b5f0f2 | 2018-01-10 14:08:50 +0000 | [diff] [blame] | 75 | void do_run() override |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 76 | { |
Michalis Spyrou | 2b5f0f2 | 2018-01-10 14:08:50 +0000 | [diff] [blame] | 77 | // Run the scale operation: |
| 78 | scale.run(); |
| 79 | } |
| 80 | void do_teardown() override |
| 81 | { |
| 82 | // Save the result to file: |
| 83 | if(!output_filename.empty()) |
| 84 | { |
| 85 | save_to_ppm(dst, output_filename); // save_to_ppm maps and unmaps the image to store as PPM |
| 86 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 87 | } |
| 88 | |
Michalis Spyrou | 2b5f0f2 | 2018-01-10 14:08:50 +0000 | [diff] [blame] | 89 | private: |
| 90 | Image src{}, dst{}; |
| 91 | NEScale scale{}; |
| 92 | std::string output_filename{}; |
| 93 | }; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 94 | |
| 95 | /** Main program for convolution test |
| 96 | * |
| 97 | * @param[in] argc Number of arguments |
| 98 | * @param[in] argv Arguments ( [optional] Path to PPM image to process ) |
| 99 | */ |
Anthony Barbier | 6db0ff5 | 2018-01-05 10:59:12 +0000 | [diff] [blame] | 100 | int main(int argc, char **argv) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 101 | { |
Michalis Spyrou | 2b5f0f2 | 2018-01-10 14:08:50 +0000 | [diff] [blame] | 102 | return utils::run_example<NEONScaleExample>(argc, argv); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 103 | } |