[vtkusers] vtk arrays and opengl buffers

[Francois Bertel]

Hello,

No there is no such "vtkFloatBufferObject" in VTK.

In VTKEdge, there is a
vtkKWEVBOTStripsPainter/vtkKWEVertexBufferObject but it is to speed-up
rendering not to modify the data.

That would be neat though.

On Fri, Oct 9, 2009 at 8:46 PM, Micha Feigin <michf at post.tau.ac.il> wrote:
> Does VTK use OpenGL buffer objects (pbo, vbo etc) for things such as vtkFloatArray and vtkPoints, and if so is it possible to access/modify them directly?
>
> I want to use the GPU to modify the array data instead of the CPU (shaders/cuda). Is that possible without copying data back and fourth?
>
> Thanks
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François Bertel, PhD  | Kitware Inc. Suite 204
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