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24 #define ARM_COMPUTE_CL /* So that OpenCL exceptions get caught too */
25 #include "arm_compute/core/Types.h"
26 #include "arm_compute/runtime/CL/CLFunctions.h"
27 #include "arm_compute/runtime/CL/CLScheduler.h"
28 #include "arm_compute/runtime/NEON/NEFunctions.h"
29 #include "test_helpers/Utils.h"
31 using namespace arm_compute;
32 using namespace test_helpers;
34 /** Example demonstrating how to use both CL and NEON functions in the same pipeline
36 * @param[in] argc Number of arguments
37 * @param[in] argv Arguments ( [optional] Path to PPM image to process )
39 void main_neoncl_scale_median_gaussian(int argc, const char **argv)
41 /** [NEON / OpenCL Interop] */
43 CLImage src, scale_median, median_gauss, dst;
45 CLScheduler::get().default_init();
50 std::cout << "Usage: ./build/cl_convolution [input_image.ppm]\n\n";
51 std::cout << "No input_image provided, creating a dummy 640x480 image\n";
52 // Create an empty grayscale 640x480 image
53 src.allocator()->init(TensorInfo(640, 480, Format::U8));
58 ppm.init_image(src, Format::U8);
61 TensorInfo scale_median_info(TensorInfo(src.info()->dimension(0) / 2, src.info()->dimension(1) / 2, Format::U8));
63 // Configure the temporary and destination images
64 scale_median.allocator()->init(scale_median_info);
65 median_gauss.allocator()->init(scale_median_info);
66 dst.allocator()->init(scale_median_info);
68 // Declare and configure the functions to create the following pipeline: scale -> median -> gauss
73 scale.configure(&src, &scale_median, InterpolationPolicy::NEAREST_NEIGHBOR, BorderMode::REPLICATE);
74 median.configure(&scale_median, &median_gauss, BorderMode::REPLICATE);
75 gauss.configure(&median_gauss, &dst, BorderMode::REPLICATE);
77 // Allocate all the images
78 src.allocator()->allocate();
79 scale_median.allocator()->allocate();
80 median_gauss.allocator()->allocate();
81 dst.allocator()->allocate();
83 // Fill the input image with the content of the PPM image if a filename was provided:
89 // Enqueue and flush the OpenCL kernel:
92 // Do a blocking map of the input and output buffers of the NEON function:
96 // Run the NEON function:
99 // Unmap the output buffer before it's used again by OpenCL:
100 scale_median.unmap();
101 median_gauss.unmap();
103 // Run the final OpenCL function:
106 // Make sure all the OpenCL jobs are done executing:
107 CLScheduler::get().sync();
109 // Save the result to file:
112 const std::string output_filename = std::string(argv[1]) + "_out.ppm";
113 save_to_ppm(dst, output_filename); // save_to_ppm maps and unmaps the image to store as PPM
115 /** [NEON / OpenCL Interop] */
118 /** Main program for convolution test
119 * @param[in] argc Number of arguments
120 * @param[in] argv Arguments ( [optional] Path to PPM image to process )
122 int main(int argc, const char **argv)
124 return test_helpers::run_example(argc, argv, main_neoncl_scale_median_gaussian);