[Paraview-developers] piston in 3.98

[David E DeMarle]

Start paraview with --use-cuda-interop

David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909


On Thu, Jan 17, 2013 at 11:00 AM, Biddiscombe, John A. <biddisco at cscs.ch> wrote:
> The piston plugin appears to be working, and I'm able to select a dataset, "send to piston', and then "get from piston', however when I put a breakpoint in the piston mapper and check the rendering, it always stops in RenderOnCPU.
>
> I'd like to see the RenderOnGPU working. I poked around to see if there's an option in PistonRepresentation, (or even a PistonView) which might be activated which would trigger the GPU rendering activity, but couldn't find a way to do it (without experimenting with code changes).
>
> Is there a combination of actions which displays using the GPU buffer objects.
>
> NB. PistonContour produces an output, slice and threshold produce empty results (so far).
> NB. Test machine has very old cuda support, will experiment on newer one if GPU render is possible.
>
> Thanks again
>
> JB
>
> -----Original Message-----
> From: David E DeMarle [mailto:dave.demarle at kitware.com]
> Sent: 16 January 2013 19:49
> To: Biddiscombe, John A.
> Cc: paraview-developers at paraview.org
> Subject: Re: [Paraview-developers] piston in 3.98
>
> Use piston sha 2913c77 for 3.98.
> Use piston sha b50cf296 for current master.
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
>
> On Wed, Jan 16, 2013 at 1:06 PM, Biddiscombe, John A. <biddisco at cscs.ch> wrote:
>> I wanted to try a cuda based (depth) sort, then using interop, draw
>> polygons using opengl in a custom painter - this would save a transfer
>> from cpu-gpu on every frame.
>>
>>
>>
>> Piston seems to have some interop facilities embedded, but I couldn't
>> build the vtkAcceleratorsPiston using the (piston) version from github.
>>
>>
>>
>> Is piston working in 3.98? and if so, should I use a different version
>> than the github one.
>>
>>
>>
>> Thanks for any info.
>>
>>
>>
>> JB
>>
>>
>>
>>
>>
>> --
>>
>> John Biddiscombe,                        email:biddisco @.at.@ cscs.ch
>>
>> http://www.cscs.ch/
>>
>> CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
>>
>> Via Trevano 131, 6900 Lugano, Switzerland   | Fax:  +41 (91) 610.82.82
>>
>>
>>
>>
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>>