Shader transparency computation.
There are different way to compute transparency, and this lists the supported options.

Static Public Attributes |
|
| static const | kFBAlphaSourceNoAlpha |
| static const | kFBAlphaSourceAccurateAlpha |
| static const | kFBAlphaSourceTransluscentAlpha |
| static const | kFBAlphaSourceMatteAlpha |
| static const | kFBAlphaSource2DTransparency |
| static const | kFBAlphaSourceAdditiveAlpha |
| static const | kFBAlphaSourceTransluscentZSortAlpha |
const
kFBAlphaSourceNoAlpha [static] |
const
kFBAlphaSourceAccurateAlpha [static] |
const
kFBAlphaSourceTransluscentAlpha [static] |
const
kFBAlphaSourceMatteAlpha [static] |
const
kFBAlphaSource2DTransparency [static] |
const
kFBAlphaSourceAdditiveAlpha [static] |
const
kFBAlphaSourceTransluscentZSortAlpha [static] |