[vtkusers] VTK 5.6.0 vtkGPUVolumeRayCastMapper very slow?
elvis.chen at gmail.com
Wed May 12 09:37:25 EDT 2010
Again, thank you for the reply. I've installed the DirectX SDK and
recompiled VTK. The demo now runs well (though I have no TestGPUInfo in my
As a side question, is there any plan to integrate CUDA based volume
rendering technique into VTK (e.g.
I've got Benjamin's code to work before, but his code is far from polished.
On Tue, May 11, 2010 at 2:26 PM, Francois Bertel <
francois.bertel at kitware.com> wrote:
> Yes you can use the latest DirectX SDK (side note: there are two
> DirectX SDK releases per year, one in February, one in August).
> I currently use the Feb 2010 one.
> Once your done building VTK, run the test TestGPUInfo in verbose mode
> to see if the returned information makes sense:
> For example, on Vista 64 SP1 with a nVidia Quadro FX 3600M, 512MB, I have:
> > cd vtk-build
> > ctest.exe -R TestGPUInfo -V
> 160: Test command: C:\vtk-build\bin\Debug\RenderingCxxTests.exe
> TestGPUInfo -D C:/VTKData -T C:/vtk-build/Testing/Temporary -V
> 160: Test timeout computed to be: 1500
> 160: There is 1 GPU(s).
> 160: GPU 0:
> 160: dedicated VRAM=495 MB
> 160: dedicated RAM=0 MB
> 160: shared RAM=1791 MB
> 1/1 Test #160: TestGPUInfo ...................... Passed 0.13 sec
> You can see that 495MB is less than 512MB. This is probably the
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