Re: Issue with transparency and lighting

[James W. <ja...@fr...>]

James Walker wrote:

> 
> In many cases where I use a texture with an alpha channel, the alpha 
> channel is pretty much either 1 or 0.  In such a case, I think there 
> would be pretty good results if we turned on the alpha test, and let 
> opaque pixels write to the depth buffer, and didn't use blending.

Oops, I shouldn't have said "didn't use blending" there.  Blending, with 
glBlendFunc( GL_ONE, GL_ONE ), would still need to be used to add up the 
contributions of the lighting passes.

-- 
   James W. Walker, Innoventive Software LLC
   <http://www.frameforge3d.com/>