[osg-users] How does shadow technic work if geometry shaders are in use

Trajce Nikolov NICK trajce.nikolov.nick at gmail.com
Fri May 29 09:16:53 PDT 2015

Hi Werner,

I am doing the same and using the LightSpacePerspective shadow techinque.
In your program you have to set your vertex and fragment shaders as well,
and it will be picked up correctly if you set the masks for receiving/cast
shadows .... So it should work. As long as they are part of the top



On Fri, May 29, 2015 at 5:56 PM, Werner Modenbach <
Werner.Modenbach at texion.eu> wrote:

>  Hi all,
> My scene contains many objects, which are created by geometry shaders.
> So no vertices are created outside the graphics card for those objects.
> So I use
>     state->setUseVertexAttributeAliasing(true)
> and
>     state->setUseModelViewAndProjectionUniforms(true)
> Is it possible using a shadow technique in this case? If I'm right the
> shadow technique installs it's own shaders.
> Thanks for any hint.
> - Werner -
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trajce nikolov nick
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