[Bf-committers] Dithering

[Goran Kocov]

It's up to the user to choose if he/she wants to use
dithering or not. In fact, the dither intensity
controler defaults to 0, so when starting a new
project (or loading an old one) everything should
behave just as it did before. 

Goran

--- Ton Roosendaal <ton at blender.org> wrote:

> Hi,
> 
> I'm pretty sure it's a welcome addition, as an
> option of course. In the  
> very dark ages we had this in Blender too, but it
> was removed to enable  
> compression (tga, jpg, mpg) better.
> 
> So, nice too see it back :)
> I'm still a bit too busy right now, but will verify
> the patch soon!
> 
> -Ton-
> 
> On 27 Oct, 2004, at 11:04, Goran Kocov 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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> >
> >
>
------------------------------------------------------------------------
> 
> --
> Ton Roosendaal  Blender Foundation ton at blender.org  
> http://www.blender.org
> 
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>
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