[Mesa-dev] [PATCH 1/2] vl: fix low strength denoise filter

Andy Furniss andyqos at ukfsn.org
Tue Feb 14 08:29:35 PST 2012

Christian König wrote:

>> Benchmark wise sharpen seems cheap, but denoise at full strength is
>> expensive, and comparing full on before and after the patch on 1080
>> material shows that it's doing more work.
> Correct, before anything under 0.4 would have given you a zero or one
> pixel window and 1.0 would have given you a 9 pixels window, now 0.1
> gives you a 3 pixels window (the smallest size that makes sense) and 1.0
> gives you an 11 pixels window. Only odd numbers are allowed as window
> size, so if 11 is way to strong what would you say is a good maximum for
> the window size?

Given that info I guess it's OK as is.

When I said way too much I thought that reducing it could have given 
finer control over the remaining range.

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