:: Re: [Frei0r] "rgbnoise" plugin
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著者: Janne Liljeblad
日付:  
To: Minimalistic plugin API for video effects
題目: Re: [Frei0r] "rgbnoise" plugin
> 1. If you really want to compute three Gaussian noise values per pixel,
>     you should probably use the Ziggurat method for generating the random
>     values; the ratio method is very slow. (That, and you should not
>     do a divide per nextDouble()!)
>  2. There's absolutely no point in counting downwards in a loop that doesn't
>     use its index; it doesn't buy any speed, and has not since sometime
>     during the nineties. The compiler is able to do such transformations if
>     it is a win.

"rgbnoise" is a straight port from gimp. We drop it for now if
consensus is that it is too slow.