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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( int argc, char * argv[] )
{
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;
itk::ReleaseContext();
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;
itk::ReleaseContext();
return EXIT_FAILURE;
}
itk::ReleaseContext();
return EXIT_SUCCESS;
}
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