On 5/10/06, Alexandre Quessy <listes@sourcelibre.com> wrote:

Hem, which red book ? sorrry.

http://glprogramming.com/red/chapter06.html
http://www.amazon.com/gp/product/0321335732/ref=pd_lpo_k2a_2_txt/104-4458908-8600756?%5Fencoding=UTF8

So, if I understand well : "Transparency is best implemented using
blend function (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) with primitives
sorted from farthest to nearest." ?

Good luck on that primitive sorting in GEM.

Taken from http://www.mevis.de/opengl/glBlendFunc.html

That would be the spec out of the Blue Book.

cgc