Re: OpenGL states and performances

> I wouldn't use alpha test. It cerates jaggy edges. In 2D tile
> based application you can use blending w/o problems, as you're
> going to use the painter's algorithm anyway and don't use the
> depth test.

Ok, but basically how would you replace the alpha test with blending ?


> Alpha test is good, if you want to completely reject fragments,
> so that they don't update the depth buffer. This is normally
> used to draw foilage in the not most recent virtual environment
> applications (like games) as I'm writing this.

BasicalIy I use alpha testing to manage transparency and display my
sprites and background tiles correctly.