Re: [Flightgear-devel] Shader debugging

2012-02-13 Thread thorsten . i . renk
> The second problem is the 'checkerboard' appearance of fog rendering over > ocean. To the limit of my ability to test, the cause is incorrect > interpolation of distances and angles due to very large vertex spacing Update: Emilian kindly educated me how to deal with this properly: If the relati

[Flightgear-devel] Shader debugging

2012-02-12 Thread thorsten . i . renk
I've spent four hours yesterday to trace down the cause for fog inconsistencies which I observed in custom terrain. One of them was the fact that the top fog level was sometimes displaced by some offset from terrain chunk to terrain chunk in the new CORINE Italy scenery and the other is the fog