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Re: [Public WebGL] Weird alpha issue.



----- Original Message -----
> Todays' version:
> 
> Build identifier: Mozilla/5.0 (X11; Linux x86_64; rv:2.0b8pre)
> Gecko/20101031 Firefox/4.0b8pre
> 
> ...didn't fix anything.

Yes, in my last email I said tomorrow's version.

> 
> Stripping my application to the bone in one giant step made the
> problem
> "go away" - so I'm going to have to go in and incrementally remove
> stuff
> until I see what's triggering it.
> 
> You asked:
> 
> > Could it be a color correction / gamma issue? There has been lots of
> > recent discussion on this list about color correction, but Minefield
> > still doesn't implement any of that. If Chromium does, that could
> > explain differences.
> 
> Unless the gamma handling is somehow different for translucent
> textures
> - then I'd say no. The rest of the image colors are the same in both
> browsers.
> 
> http://www.sjbaker.org/tmp/smoke_differences.png
> 
> The problem seems to be confined to translucent maps.

Are you doing any pixelStore() calls? Are you setting the PREMULTIPLY_ALPHA parameter there?

(not that that would be a bad thing --- just trying to narrow it down)

Benoit

> 
> -- Steve
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