[Vv] OpenGL 2.0 did it

[Simon Rit]

I implemented something which works on Windows at the cost of only
providing 3 overlays (green-purple, red-cyan and  blue-yellow). Test
it on your platforms and let me know if you like it like this...
BTW, I think the cvs mailing system is down: I didn't receive David's
commits of last Wednesday.
Simon

On Wed, May 12, 2010 at 3:11 PM, Joël Schaerer <joel.schaerer at gmail.com> wrote:
> So it's possible to do with OpenGL, but we'll have to make pretty deep
> changes in VTK in order to do it :-/
>
> Maybe the best thing to do now is to ask on the VTK mailing list what
> the best way to do what we are trying to achieve is. If we're lucky,
> someone may have already done it :)
>
> joel
>
> On 05/12/2010 02:05 PM, Simon Rit wrote:
>> http://www.opengl.org/sdk/docs/man/xhtml/glBlendFuncSeparate.xml
>>
>> Apparently, the API is in vtk but it's not used...
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>
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