[Bf-committers] Dithering

[Goran Kocov]

A small bugfix update. The patch for the 31.10.04 CVS
and the package containing the changed and the
original sources can be downloaded from:

http://www.geocities.com/gkocov/misc/dither.patch.txt
http://www.geocities.com/gkocov/misc/blender_dither_code.tar.gz

Goran

--- Goran Kocov <gkocov at yahoo.com> wrote:

> Hi everybody!
> 
> One of the biggest problems I have with Blender's
> internal renderer is that it doesn't do any
> dithering
> to the output while converting the floating point
> values to 8-bit integer values, resulting in
> noticable
> banding in some cases.
> 
> While it shouldn't be very hard to implement this,
> it
> seems that it isn't high on the developers' priority
> list, so I decided to try and implement it myself.
> I've made some very simple changes to the renderer,
> to
> the Struct-DNA and to the render output panel, and
> as
> far as I can tell, (with dithering on) the banding
> is
> pretty much nonexistant now. Also I've done some
> basic
> testing both with stills and with animations and I
> couldn't notice any bugs/problems. Check this topic
> on
> the blender.org forums for example images 
> 
>
http://www.blender.org/modules.php?op=modload&name=phpBB2&file=viewtopic&t=4837
> 
> Here's a patch made from the 27.10.2004 CVS (I've
> never made a patch before, so be prepared for a
> bumpy
> ride, sorry!). 
> 
>
http://www.geocities.com/gkocov/misc/dither.patch.txt
> 
> If there are any problems with the patch there's a
> tar.gz archive containing the original sources, the
> changed sources and the differences between them
> (it's
> from a slightly older CVS - 21.10.2004, but that
> shouldn't be a big problem).
> 
>
http://www.geocities.com/gkocov/misc/blender_dither_code.tar.gz
> 
> This is my first time working with Blender's code
> and
> I don't have much C/C++ experience, so please be
> gentle on me. :)
> 
> Goran
> 
> 
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