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Re: [Public WebGL] Weird alpha issue.



On Nov 5, 2010, at 5:26 AM, steve@sjbaker.org wrote:

>> But the problem isn't alpha issues with images. It is issues with alpha
>> in compositing with the HTML page which would probably also happen with
>> vertex colors having alpha < 1.0.
> 
> I agree - this has nothing to do with alpha issues in textures or 2D
> canvasses.  It's all to do with destination-alpha rendering contexts and
> fragment shaders that write alpha<1.0...for whatever reason...not
> necessarily from texture.

Right, so we may want your test case integrated, or one of the image alpha test modified to test the error you've uncovered, or some combination. But I agree that we don't have such a test right now and we need one.

-----
~Chris
cmarrin@apple.com




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