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/*
* Copyright (c) 2017-2019 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_GC /* Needed by Utils.cpp to handle OpenGL ES exceptions properly */
#error "This example needs to be built with -DARM_COMPUTE_GC"
#endif /* ARM_COMPUTE_GC */
#include "arm_compute/core/Types.h"
#include "arm_compute/runtime/GLES_COMPUTE/GCFunctions.h"
#include "arm_compute/runtime/GLES_COMPUTE/GCScheduler.h"
#include "utils/ImageLoader.h"
#include "utils/Utils.h"
using namespace arm_compute;
using namespace utils;
class GCAbsDiffExample : public Example
{
public:
bool do_setup(int argc, char **argv) override
{
PPMLoader ppm1{};
PPMLoader ppm2{};
GCScheduler::get().default_init();
if(argc < 2)
{
// Print help
std::cout << "Usage: " << argv[0] << " [input0_image.ppm] [input1_image.ppm] \n\n";
std::cout << "No input_image provided, creating two dummy 640x480 images\n";
// Create two empty grayscale 640x480 images
src1.allocator()->init(TensorInfo(640, 480, Format::U8));
src2.allocator()->init(TensorInfo(640, 480, Format::U8));
}
else if(argc < 3)
{
// Print help
std::cout << "Usage: " << argv[0] << " [input0_image.ppm] [input1_image.ppm] \n\n";
std::cout << "Only one input_image provided, creating a dummy 640x480 image\n";
ppm1.open(argv[1]);
ppm1.init_image(src1, Format::U8);
// Create an empty grayscale 640x480 image
src2.allocator()->init(TensorInfo(640, 480, Format::U8));
}
else
{
ppm1.open(argv[1]);
ppm1.init_image(src1, Format::U8);
ppm2.open(argv[2]);
ppm2.init_image(src2, Format::U8);
}
// Configure the temporary and destination images
dst.allocator()->init(*src1.info());
absdiff.configure(&src1, &src2, &dst);
// Allocate all the images
src1.allocator()->allocate();
src2.allocator()->allocate();
dst.allocator()->allocate();
// Fill the input image with the content of the PPM image if a filename was provided:
if(ppm1.is_open())
{
ppm1.fill_image(src1);
output_filename = std::string(argv[1]) + "_out.ppm";
}
if(ppm2.is_open())
{
ppm2.fill_image(src2);
}
return true;
}
void do_run() override
{
// Execute the functions:
absdiff.run();
}
void do_teardown() override
{
// Save the result to file:
if(!output_filename.empty())
{
// save_to_ppm maps and unmaps the image to store as PPM
// The GCTensor::map call inside the save_to_ppm will block until all pending operations on that image have completed
save_to_ppm(dst, output_filename);
}
}
private:
GCImage src1{}, src2{}, dst{};
GCAbsoluteDifference absdiff{};
std::string output_filename{};
};
/** Main program for absdiff test
*
* @param[in] argc Number of arguments
* @param[in] argv Arguments ( [optional] Path to the first PPM image to process, [optional] Path the the second PPM image to process )
*/
int main(int argc, char **argv)
{
return utils::run_example<GCAbsDiffExample>(argc, argv);
}
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