[Insight-users] ITK 4.2 - GPUMeanImageFilter - itkGPUKernelManager

[Kris Zygmunt]

Ah, glad you found it!  I was thinking that not enabling ITK_USE_GPU  
would have caused a compile error, not a linking error.
-Kris

On Jun 6, 2012, at 9:18 AM, Yass Jd wrote:

> Ok, stupid thing... I forgot to enable the ITK_USE_GPU feature when  
> compiling ITK 4.2.
>
> Thank you !
> Yass Jd.
>
> On 06/06/12 10:31, Yass Jd wrote:
>>
>> Dear Kris,
>>
>> Thank you for your answer !
>>
>> Here is my CMakeLists:
>> cmake_minimum_required (VERSION 2.8.5)
>> project (fMRI)
>>
>> #set (CMAKE_VERBOSE_MAKEFILE ON)
>> set(CMAKE_CXX_FLAGS "-g -Wall")
>>
>> if(COMMAND cmake_policy)
>>   cmake_policy(SET CMP0003 NEW)
>> endif(COMMAND cmake_policy)
>>
>> # Find ITK.
>> FIND_PACKAGE(ITK REQUIRED)
>> IF(ITK_FOUND)
>>   INCLUDE(${ITK_USE_FILE})
>> ENDIF(ITK_FOUND)
>>
>> add_executable(ReadDCMWriteNii niftihandler.cpp main.cxx )
>> target_link_libraries(ReadDCMWriteNii  ${ITK_LIBRARIES})
>> Should be OK right ? Seems like I'm not linking well something...
>>
>> Best regards,
>> Yass Jd.
>>
>>
>> On 06/06/12 01:43, Kristen Zygmunt wrote:
>>>
>>> It looks like the GPUCommon library is not being included.
>>> You should have something like this line in your CMakeLists.txt:
>>>
>>> target_link_libraries(YourExecutable ${ITK_LIBRARIES})
>>>
>>> Can you provide your CMakeLists.txt ?
>>> -Kris
>>>
>>>> Date: Tue, 5 Jun 2012 18:55:55 +0200
>>>> From: Yass Jd <yasso50 at hotmail.com>
>>>> Subject: [Insight-users] ITK 4.2 - GPUMeanImageFilter -
>>>>  itkGPUKernelManager
>>>> To: insight-users at itk.org
>>>> Message-ID: <BLU0-SMTP296F767A77A5AD6D75BD509BD0C0 at phx.gbl>
>>>> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>>>>
>>>> Dear all,
>>>>
>>>> I am trying to run the following sample code with ITK 4.2 in  
>>>> order to
>>>> perform a GPU-based mean filter:
>>>>
>>>>       typedef itk::GPUMeanImageFilter<ImageType,ImageType>  
>>>> filterType;
>>>>       filterType::Pointer blurFilter = filterType::New();
>>>>       blurFilter->SetInput(handler.getOutput());
>>>>       blurFilter->SetRadius(2);
>>>>       blurFilter->Update();
>>>>
>>>>
>>>> And i get the following errors from the linker (compilation is  
>>>> fine):
>>>>
>>>>    CMakeFiles/ReadDCMWriteNii.dir/main.cxx.o: In function
>>>>    `itk::GPUKernelManager::New()':
>>>>    /usr/local/include/ITK-4.2/itkGPUKernelManager.h:60: undefined
>>>>    reference to `itk::GPUKernelManager::GPUKernelManager()'
>>>>    CMakeFiles/ReadDCMWriteNii.dir/main.cxx.o: In function
>>>>    `itk::GPUMeanImageFilter<itk::Image<short, 4u>,  
>>>> itk::Image<short,
>>>>    4u> >::GPUGenerateData()':
>>>>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:92:  
>>>> undefined
>>>>    reference to `itk::OpenCLGetLocalBlockSize(unsigned int)'
>>>>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:105:  
>>>> undefined
>>>>    reference to `itk::GPUKernelManager::SetKernelArgWithImage(int,
>>>>    unsigned int, itk::SmartPointer<itk::GPUDataManager>)'
>>>>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:106:  
>>>> undefined
>>>>    reference to `itk::GPUKernelManager::SetKernelArgWithImage(int,
>>>>    unsigned int, itk::SmartPointer<itk::GPUDataManager>)'
>>>>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:110:  
>>>> undefined
>>>>    reference to `itk::GPUKernelManager::SetKernelArg(int,  
>>>> unsigned int,
>>>>    unsigned long, void const*)'
>>>>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:115:  
>>>> undefined
>>>>    reference to `itk::GPUKernelManager::SetKernelArg(int,  
>>>> unsigned int,
>>>>    unsigned long, void const*)'
>>>>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:119:  
>>>> undefined
>>>>    reference to `itk::GPUKernelManager::LaunchKernel(int, int,  
>>>> unsigned
>>>>    long*, unsigned long*)
>>>>
>>>> I don't see the error ? Seems like a bad declaration in the header
>>>> itkGPUKernelManager.h but I didn't find it... Everythinh is well
>>>> included in my code though. Anybody got an idea ?
>>>>
>>>> Thank you !
>>>>
>>>> Best regards,
>>>> Yass Jd.
>>>>
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>>
>>
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>
>
> -- 
> Yass Jd.

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