Design issues (opengl, hdr, channels, pigment(?))

[Cyrille Berger]

> > - filters (convolution, for instance)
>
> I think that this would make the best testbed for using opengl; convolution
> is so slow that converting to and from a texture isn't going to be that
> important.

part of convolution is slow because instead of convolving in two passes, we do 
it once with a big kernel, I will probably write a plugin that solves this 
for 1.6 after 1.6.2 release. But yes, convolution is the typical use case for 
opengl.

-- 
Cyrille Berger