mono/MonoGame — pull request #109 by kjpou1 (2011-11-20 07:41:07+00:00)
Title: Primitives again

Modified the matrice calcs to work correctly,
Added blend states for XNA 4.0,
Added graphics extensions for Blend state to OGL states,
Set blending mode in Graphics device before drawing primitives.
Also added graphics state blend mode setup in SpriteBatch for testing.