Re: [Flightgear-devel] Shader issue on ATI cards

[Erik H. <er...@eh...>]

Tim Moore wrote:
>  That's not a problem. Color values are allowed to be any value and are 
> clamped at the end of the pipeline. However, we do some other clamping 
> so that the appearance isn't too different when shaders are turned on. 
> We have a general lighting problem: our ambient, diffuse and specular 
> colors often add up to more than 1.0, which means that the diffuse 
> shading can be completely washed out.

Are you saying that ambient + diffuse + specular added together may not 
exceed 1.0? I alway thought their maximum value was 1.0 (also for 
individual channels).

Erik