[vtkusers] Share graphical resources (e.g., VBOs) between multiple vtkRenderWindows

Ken Martin ken.martin at kitware.com
Fri Feb 26 09:42:52 EST 2016

We have talked about sharing buffer objects across contexts and there are
definitely cases where it makes a lot of sense. We have not done anything
on it yet (well maybe some CUDA/OpenGL stuff) but I have added it to my
list of todos. Not sure when we will get to it but I know we want it.


On Wed, Feb 24, 2016 at 5:37 AM, longbowzhang <longbowzhangchina at gmail.com>

> Dear vtkUsers, I have a question about sharing VBOs across multiple
> vtkRenderWindows. The motivation for this is: The data I want to render is
> quite large, and I plan to use multiple renderwindows (each has its own
> OpenGL context) to show the several aspects of the data. I googled, and
> found wglShareLists could be potential friend to achieve this? Does anyone
> know how to use this function within VTK context? Or do you have a better
> idea to achieve this? Thanks so much in advance. Best regards, Changgong
> Zhang Ph.D student in Computer Graphics and Visualization section Dept.
> Intelligent Systems EWI TU Delft
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Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

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