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24 #include "arm_compute/runtime/NEON/NEFunctions.h"
26 #include "arm_compute/core/Types.h"
27 #include "test_helpers/Utils.h"
29 using namespace arm_compute;
30 using namespace test_helpers;
32 void main_neon_scale(int argc, const char **argv)
40 std::cout << "Usage: ./build/neon_scale[input_image.ppm]\n\n";
41 std::cout << "No input_image provided, creating a dummy 640x480 image\n";
42 // Create an empty grayscale 640x480 image
43 src.allocator()->init(TensorInfo(640, 480, Format::U8));
48 ppm.init_image(src, Format::U8);
51 constexpr int scale_factor = 2;
53 TensorInfo dst_tensor_info(src.info()->dimension(0) / scale_factor, src.info()->dimension(1) / scale_factor, Format::U8);
55 // Configure the destination image
56 dst.allocator()->init(dst_tensor_info);
58 // Create and initialize a Scale function object:
60 scale.configure(&src, &dst, InterpolationPolicy::NEAREST_NEIGHBOR, BorderMode::UNDEFINED);
62 // Allocate all the images
63 src.allocator()->allocate();
64 dst.allocator()->allocate();
65 // Fill the input image with the content of the PPM image if a filename was provided:
71 // Run the scale operation:
74 // Save the result to file:
77 const std::string output_filename = std::string(argv[1]) + "_out.ppm";
78 save_to_ppm(dst, output_filename);
82 /** Main program for convolution test
84 * @param[in] argc Number of arguments
85 * @param[in] argv Arguments ( [optional] Path to PPM image to process )
87 int main(int argc, const char **argv)
89 return test_helpers::run_example(argc, argv, main_neon_scale);