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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 "itkOpenCLKernelToImageBridgeTest.h"
#include "itkOpenCLKernelToImageBridge.h"
int
main( int argc, char * argv[] )
{
try
{
itk::OpenCLContext::Pointer context = itk::OpenCLContext::GetInstance();
context->Create( itk::OpenCLContext::DevelopmentSingleMaximumFlopsDevice );
const std::list< itk::OpenCLDevice > devices = context->GetDevices();
itk::OpenCLProgram program = context->BuildProgramFromSourceCode( devices,
itk::OpenCLKernelToImageBridgeTestKernel::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" );
}
}
// Create ITK Image
typedef itk::Image< float, 2 > ImageType;
ImageType::Pointer image = ImageType::New();
ImageType::SizeType size;
size[ 0 ] = 64;
size[ 1 ] = 64;
ImageType::SpacingType spacing; spacing.Fill( 1.1 );
ImageType::PointType origin; origin.Fill( 3.2 );
ImageType::DirectionType direction;
direction[ 0 ][ 0 ] = .5;
direction[ 0 ][ 1 ] = .7;
direction[ 1 ][ 0 ] = .7;
direction[ 1 ][ 1 ] = .5;
image->SetSpacing( spacing );
image->SetOrigin( origin );
image->SetDirection( direction );
image->SetRegions( size );
image->Allocate();
image->FillBuffer( 11 );
image->Print( std::cout );
// Check the setting image information
const std::size_t bufferSize = 4;
const std::size_t bufferSizeBytes = sizeof( float ) * bufferSize;
itk::OpenCLBuffer directionBuffer = context->CreateBufferDevice( itk::OpenCLMemoryObject::WriteOnly, bufferSizeBytes );
ITK_OPENCL_COMPARE( directionBuffer.IsNull(), false );
itk::OpenCLKernel directionKernel = program.CreateKernel( "SetDirection" );
ITK_OPENCL_COMPARE( directionKernel.IsNull(), false );
directionKernel( image->GetDirection(), directionBuffer );
// Check setting the direction
std::vector< float > hostDirectionBuffer( bufferSize );
directionBuffer.Read( &hostDirectionBuffer[ 0 ], bufferSizeBytes );
ITK_OPENCL_COMPARE( hostDirectionBuffer[ 0 ], 0.5f );
ITK_OPENCL_COMPARE( hostDirectionBuffer[ 1 ], 0.7f );
ITK_OPENCL_COMPARE( hostDirectionBuffer[ 2 ], 0.7f );
ITK_OPENCL_COMPARE( hostDirectionBuffer[ 3 ], 0.5f );
}
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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