Disable context activation error messages by default since it is standard procedure for tiled rendering to first try with larger sizes and progressively scale down. Problem reported by pederb.
Disable context activation error messages by default since it is
standard procedure for tiled rendering to first try with larger
sizes and progressively scale down. Problem reported by pederb.

Alexpux/Coin3D,Alexpux/Coin3D,Alexpux/Coin3D,Alexpux/Coin3D