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/*=========================================================================
*
* Copyright UMC Utrecht and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkTestHelper.h"
#include "itkOpenCLImageTest.h"
#include "itkOpenCLImage.h"
#include <algorithm>
int
main()
{
itk::OpenCLImage imageNull;
if (!imageNull.IsNull())
{
return EXIT_FAILURE;
}
try
{
// Create context with most simple method
itk::OpenCLContext::Pointer context = itk::OpenCLContext::GetInstance();
context->Create();
if (!context->IsCreated())
{
std::cerr << "OpenCL-enabled device is not present." << std::endl;
return EXIT_FAILURE;
}
const std::list<itk::OpenCLDevice> devices = context->GetDevices();
itk::OpenCLProgram program =
context->BuildProgramFromSourceCode(devices, itk::OpenCLImageTestKernel::GetOpenCLSource());
if (program.IsNull())
{
if (context->GetDefaultDevice().HasCompiler())
{
itkGenericExceptionMacro("Could not compile the OpenCL test program");
}
else
{
itkGenericExceptionMacro("OpenCL implementation does not have a compiler");
}
}
// Local variables
const std::size_t imageSize1D = 32;
const std::size_t imageSize2D = imageSize1D * imageSize1D;
const int value = 11;
const itk::OpenCLSize origin2D(0, 0);
const itk::OpenCLSize workSize2D(imageSize1D, imageSize1D);
// Test the OpenCLImage 2D
const itk::OpenCLImageFormat format2d(
itk::OpenCLImageFormat::IMAGE2D, itk::OpenCLImageFormat::RGBA, itk::OpenCLImageFormat::UNSIGNED_INT8);
std::cout << format2d;
itk::OpenCLSize size2D(imageSize1D, imageSize1D);
// Create input 2D image
std::vector<unsigned int> input_buf_2D(imageSize2D, value);
itk::OpenCLImage input_image_2D = context->CreateImageDevice(format2d, itk::OpenCLMemoryObject::ReadOnly, size2D);
ITK_OPENCL_COMPARE(input_image_2D.IsNull(), false);
ITK_OPENCL_COMPARE(input_image_2D.GetElementSizeInBytes(), std::size_t(4));
std::cout << input_image_2D;
const bool write2D = input_image_2D.Write(&input_buf_2D[0], origin2D, workSize2D);
ITK_OPENCL_COMPARE(write2D, true);
// Create output 2D image
itk::OpenCLImage output_image_2D = context->CreateImageDevice(format2d, itk::OpenCLMemoryObject::WriteOnly, size2D);
ITK_OPENCL_COMPARE(output_image_2D.IsNull(), false);
ITK_OPENCL_COMPARE(output_image_2D.GetElementSizeInBytes(), std::size_t(4));
std::cout << output_image_2D;
itk::OpenCLKernel image2DCopyKernel = program.CreateKernel("Image2DCopy");
ITK_OPENCL_COMPARE(image2DCopyKernel.IsNull(), false);
image2DCopyKernel.SetGlobalWorkSize(workSize2D);
image2DCopyKernel.SetArg(0, input_image_2D);
image2DCopyKernel.SetArg(1, output_image_2D);
// Execute kernel
itk::OpenCLEvent event = image2DCopyKernel.LaunchKernel();
ITK_OPENCL_COMPARE(event.IsNull(), false);
event.WaitForFinished();
// Compare results
std::vector<unsigned int> output_buf_2D(imageSize2D);
output_image_2D.Read(&output_buf_2D[0], origin2D, workSize2D);
const bool result = std::equal(input_buf_2D.begin(), input_buf_2D.end(), output_buf_2D.begin());
ITK_OPENCL_COMPARE(result, true);
}
catch (itk::ExceptionObject & e)
{
std::cerr << "Caught ITK exception: " << e << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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