[osg-users] OSG-GLSL triangle adjacency

[Nabil KHALIFA]

Thank you Sebastian. So If i set the DrawArrays mode of the PrimitiveSet,
does it suffice?
Otherwise, is it easy to implement? Sorry but i'm newby in OSG.

On 21 July 2017 at 09:36, Sebastian Messerschmidt <
sebastian.messerschmidt at gmx.de> wrote:

>
>
> Hi Nabil,
>
>> Hello,
>> I'm using geometry shader with OSG to do some operations on mesh using
>> GPU.
>> When i use /triangles_adjacency/  in the input layout, my shader crashes.
>> I tried with /layout(triangles) in/  and it's running well.
>>
>> Is there any configuration in OSG that i should use, or a pre-processing
>> on the mesh to understand triangle adjacency?
>>
> You need to pre-process the mesh to get the adjacency information. There
> is no facility in OSG that I know of, wich does this for you.
>
>
> Cheers
> Sebastian
>
>>
>> Regards,
>> Nabil
>>
>>
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>>
>>


-- 
Nabil Khalifa
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