[Bf-committers] Reviewing normal patch (finally)

[Ton Roosendaal]

Hi,

Update: two people in IRC are working on it with promising results!
They'll soon present their findings.

-Ton-

------------------------------------------------------------------------
Ton Roosendaal  Blender Foundation   ton at blender.org    www.blender.org
Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The Netherlands

On 27 Dec, 2010, at 15:01, Ton Roosendaal wrote:

> Hi all,
>
> There's like a dozen reports in the tracker about normals not
> rendering OK; this has been mostly caused by the patch from august
> 2009. Although it gives much better results for procedurals, the
> changes in UV and Image sampling are inferior in many cases.
>
> 2.5x
> http://www.blender.org/bf/new.png
>
> 2.49
> http://www.blender.org/bf/old.png
>
> - AA is bad (it doesn't check for pixel derivatives
> - it doesn't scale (distance, or object size)
>
> Check the bug tracker for even more horrible examples; renders you can
> find here:
> http://www.blender.org/bf/new1.png
> http://www.blender.org/bf/new2.png
>
> One "good" thing then; this is with Full OSA material:
> http://www.blender.org/bf/new-full-osa.png
>
> However, render time of this picture (no raytrace) is 48 seconds...
>
> Really needs to be solved! I've got difficulties understanding the
> patch though, it has a lot of uncommented calculus.
>
> -Ton-
>
> ------------------------------------------------------------------------
> Ton Roosendaal  Blender Foundation   ton at blender.org     
> www.blender.org
> Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The  
> Netherlands
>
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