[GEM-dev] svn update break rectangular texture with shader

[Claude Heiland-Allen]

Hans-Christoph Steiner wrote:
> 
> In audio land, you can count on Pd to give you the exact same stream of 
> numbers for the same operations (i.e. determinism).    I don't know 
> enough about OpenGL to know if you can count on it to give you the exact 
> same stream of numbers for a given set of operations.

short answer: no

http://www.google.com/search?q=opengl+invariance

> If so, you can render a reference image, then to test, make a render 
> image, then check it against the reference.
> 
> .hc