[vtkusers] VTK 6.3.0

[Berk Geveci]

An interesting metric. Ken, who is not the only developer working on this,
had 773 commits solely on this topic. Some of these commits changed or
added thousands of lines at once. Not trivial to migrate hundreds of
classes, tens of thousands of lines of code from fixed pipeline to modern
OpenGL.

On Thu, Sep 10, 2015 at 8:12 PM, Ken Martin <ken.martin at kitware.com> wrote:

> Adding a few more points.  As David said OpenGL2 could have been named
> OpenGLNew, the 2 is really just there because we are implementing it
> without yet replacing the old OpenGL code. So we have two libraries so we
> needed a name that was different than just OpenGL so we called it OpenGL2
> :-)  In terms of what version of OpenGL we support it is mostly OpenGL
> version 3.2 which has the nice property that I believe it is mostly
> forward compatible with later versions of OpenGL including the latest
> releases.  So I believe you could create an OpenGL 4.4 context and most if
> not all of the new rendering code would work in it which is nice for those
> who want to experiment with the latest OpenGL features.  The difference
> between OpenGL 1.0 which VTK originally used and OpenGL 3.2 Core is
> significant given how much rendering code VTK has in it. Plus at the same
> time we made the new OpenGL code support OpenGL ES versions 2.0 and 3.0
> which are used on Android and iOS devices and added in support for
> multitouch events etc.  There is a lot in this upgrade :-)
>
> Hope that helps!
> Ken
>
>
> Ken Martin PhD
> Chairman & CFO
> Kitware Inc.
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> ken.martin at kitware.com
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> -----Original Message-----
> From: vtkusers [mailto:vtkusers-bounces at vtk.org] On Behalf Of Siavash
> Khallaghi
> Sent: Thursday, September 10, 2015 7:28 PM
> To: vtkusers at vtk.org
> Subject: Re: [vtkusers] VTK 6.3.0
>
> Thanks to both Davids for the clarification. I am looking forward to the
> new release!
>
> Cheers,
>
> Siavash
>
>
>
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