[Bf-committers] Background gradient for 3D viewport

[Harley Acheson]

Hello,

This patch (and my old one, which is long past its "sell-by-date" and
should be forgotten) suffer from the same problem though...

Grid lines are drawn as a solid color that is lighter (or darker) than the
background.So if you add a typical gradient background the grid lines
look lighter/darker/*invisible* depending on where they are drawn.  So
grid line drawing would also need to be reworked as well.

Harley