----- james.gra...@oracle.com wrote: > One thing to consider, though, is that this code is only used in some > rare cases - either that we don't have a direct native loop for the TH > native code to use directly, or that it is a custom composite.
or bicubic interpolation is used(in some cases bilinear), or drawImageBG operation. > gains from the elimination of the Java-to-native transitions per > scanline also probably swamp any other tuning operation we can do here > so I think we've reached the knee of the curve for tuning this > operation > already. > > I'd rather have the (albeit internal to the implementation) API for > Region be reliable in the results it generates than to go out of our > way > to create external loopholes for constructing the objects for some > gains > in this "backup code". > > Note that if any given Src/Dst transform operation is critical to any > > application, it would be better to make sure that we have a native > MaskBlit for that combination than to make this clipping code go any > faster... > > ...jim
