Flash :: Using PixelBender To Double The Size Of A Bitmap?
May 17, 2010
I have a performance question about pixel bender. I want to enlarge many BitmapData (double their size into new BitmapData). I was doing this with as3, but wanted to use pixel bender to get better performance. On my machine, I get better performance out of pixel bender demonstrations then as3.
To my surprise (or bad coding / understanding), I am getting much worse performance out of pixel bender -- 2 seconds vs 1/2 second! I expected to get at least the same performance as as3.
I got the straightforward pixel bender code here (and it is included below for easy reference).
package
{
import flash.display.BitmapData;
import flash.display.Shader;
[Code].....
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[Code]...
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kernel Crossfade
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look at this screenshots:
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ActionScript Code:
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[Code]...
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