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diff --git a/examples/cl_events.cpp b/examples/cl_events.cpp
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-/*
- * Copyright (c) 2017-2020 Arm Limited.
- *
- * SPDX-License-Identifier: MIT
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef ARM_COMPUTE_CL /* Needed by Utils.cpp to handle OpenCL exceptions properly */
-#error "This example needs to be built with -DARM_COMPUTE_CL"
-#endif /* ARM_COMPUTE_CL */
-
-#include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/CL/CLScheduler.h"
-#include "arm_compute/runtime/CL/functions/CLGaussian5x5.h"
-#include "arm_compute/runtime/CL/functions/CLMedian3x3.h"
-#include "arm_compute/runtime/CL/functions/CLScale.h"
-#include "utils/ImageLoader.h"
-#include "utils/Utils.h"
-
-using namespace arm_compute;
-using namespace utils;
-
-class CLEventsExample : public Example
-{
-public:
- bool do_setup(int argc, char **argv) override
- {
- /** [OpenCL events] **/
- PPMLoader ppm;
- constexpr int scale_factor = 2;
-
- CLScheduler::get().default_init();
-
- if(argc < 2)
- {
- // Print help
- std::cout << "Usage: ./build/cl_events [input_image.ppm]\n\n";
- std::cout << "No input_image provided, creating a dummy 640x480 image\n";
- // Create an empty grayscale 640x480 image
- src.allocator()->init(TensorInfo(640, 480, Format::U8));
- }
- else
- {
- ppm.open(argv[1]);
- ppm.init_image(src, Format::U8);
- }
-
- TensorInfo dst_info(src.info()->dimension(0) / scale_factor, src.info()->dimension(1) / scale_factor, Format::U8);
-
- // Configure the temporary and destination images
- dst.allocator()->init(dst_info);
- tmp_scale_median.allocator()->init(dst_info);
- tmp_median_gauss.allocator()->init(dst_info);
-
- //Configure the functions:
- scale.configure(&src, &tmp_scale_median, ScaleKernelInfo{ InterpolationPolicy::NEAREST_NEIGHBOR, BorderMode::REPLICATE });
- median.configure(&tmp_scale_median, &tmp_median_gauss, BorderMode::REPLICATE);
- gauss.configure(&tmp_median_gauss, &dst, BorderMode::REPLICATE);
-
- // Allocate all the images
- src.allocator()->allocate();
- dst.allocator()->allocate();
- tmp_scale_median.allocator()->allocate();
- tmp_median_gauss.allocator()->allocate();
-
- // Fill the input image with the content of the PPM image if a filename was provided:
- if(ppm.is_open())
- {
- ppm.fill_image(src);
- output_filename = std::string(argv[1]) + "_out.ppm";
- }
- /** [OpenCL events] **/
-
- return true;
- }
- void do_run() override
- {
- // Enqueue and flush the scale OpenCL kernel:
- scale.run();
- // Create a synchronisation event between scale and median:
- cl::Event scale_event = CLScheduler::get().enqueue_sync_event();
- // Enqueue and flush the median OpenCL kernel:
- median.run();
- // Enqueue and flush the Gaussian OpenCL kernel:
- gauss.run();
-
- //Make sure all the OpenCL jobs are done executing:
- scale_event.wait(); // Block until Scale is done executing (Median3x3 and Gaussian5x5 might still be running)
- CLScheduler::get().sync(); // Block until Gaussian5x5 is done executing
- }
- void do_teardown() override
- {
- // Save the result to file:
- if(!output_filename.empty())
- {
- save_to_ppm(dst, output_filename); // save_to_ppm maps and unmaps the image to store as PPM
- }
- }
-
-private:
- CLImage src{}, tmp_scale_median{}, tmp_median_gauss{}, dst{};
- CLScale scale{};
- CLMedian3x3 median{};
- CLGaussian5x5 gauss{};
- std::string output_filename{};
-};
-
-/** Main program for convolution test
- *
- * @param[in] argc Number of arguments
- * @param[in] argv Arguments ( [optional] Path to PPM image to process )
- */
-int main(int argc, char **argv)
-{
- return utils::run_example<CLEventsExample>(argc, argv);
-}