[Bf-committers]
Re: [Bf-blender-cvs] CVS commit: blender/source/blender/src
drawobject.c drawview.c editmesh_mods.c
Ton Roosendaal
ton at blender.org
Fri Oct 1 00:38:41 CEST 2004
Hi,
The dither is set off when drawing in backbuffer...
line 915 src/drawview.c
glDisable(GL_DITHER);
It looks like your card ignores the command... is there a default in
the driver or so? Maybe you can tweak it so that it reacts to gl
commands?
-Ton-
On 1 Oct 2004, at 00:08, Stephane SOPPERA wrote:
> Stephane SOPPERA wrote:
>
>>
>>> Is there a easy way to dump to a bitmap file the content of the
>>> backbuf to see how it has been drawn?
>>
>>
>> I just made a raw dump of the content of the backbuffer:
>> http://perso.wanadoo.fr/stephane.soppera/image/dump.png
>> this dump corresponds to following blender configuration:
>> http://perso.wanadoo.fr/stephane.soppera/image/dump_.png
>>
>> If you tweak levels of the image (with gimp for example or photoshop)
>> you can notice that faces colors are not solid.
>>
> Ton,
>
> The problem is obvious in the two images: my card don't draw solid
> colors but uses dithering. That why color is not constant on the
> faces. I tested with the gimp and actually colors are close to what
> they should be, but there is a repeated dithering pattern that implies
> that the color is never exactly the one it should be.
> I don't know if there are other cards doing this, but none of them
> will ever work correctly with blender z-buffer clipped selection
> modes or with UVface-mode.
>
> Do you see any solution?
> Again, what about the algorithm I described in my previous e-mail?
>
> Thanks for you help,
> Stéphane
>
>
>
>
> --
> Stephane SOPPERA
> http://perso.wanadoo.fr/stephane.soppera
>
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>
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Ton Roosendaal Blender Foundation ton at blender.org
http://www.blender.org
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