[Bf-committers] Dithering

[Ton Roosendaal]

Hi,

Thanks for the update with recent cvs. :)
I've read the patch, and code looks clean and not intrusive or risky.

Applying & testing patch bubbled to the top of my agenda, but not  
tonight anymore... more tomorrow.

-Ton-


On 31 Oct, 2004, at 11:58, Goran Kocov wrote:

> 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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------------------------------------------------------------------------ 
--
Ton Roosendaal  Blender Foundation ton at blender.org  
http://www.blender.org