Re: [9fans] Porter-Duff alpha blending

[erik quanstrom]

xgbr32 over xgbr32 or xrgb32 looks fine.
but xgbr32 over agbr32, for example, 
results in a fade-to-blue and an extremely
slow display time.  seems like the channels
are getting mixed up.

oddly, xrgb32 over argb32 works (but slowly).

- erik