David Teitlebaum.
Why move to a new effect system? Old effect system: BitmapEffects. Talks about what was done with BitmapEffects to render to the screen. Doesn't play well with remoting, because too slow to render on target machine, go back to display machine, etc... Shows the old syntax for BitmapEffect. Software rendered, very slow, especially blur operations (such a glow, drop shadow, etc...)
Actions: In SP1, they are marked as obsolete. Implemented HW acceleration for BlurBitmapEffect and DropShadowBitmapEffect (only).
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