[Paraview-developers] piston in 3.98

[Biddiscombe, John A.]

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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