Hi Gianni,
One question,
why should I use a "vertex" shader/attribute when I need to colour a triangle
uniformly?
Long story short: There is no such thing as per-primitive colors.
Long story long:
In order to color your primitives you need to assign a color to each
vertex. That is how modern GPU-pipelines work. Another way to tackle
your problem is to simply assign a different color-array holding
per-vertex colors that is updated with your selections.
I'll try to create a small example for you to make things less foggy.
Cheers
Sebastian
Regards,
Gianni
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=68753#68753
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