| Re: [AD] memory bitmap blending |
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- To: "Coordination of admins/developers of the game programming library Allegro" <alleg-developers@xxxxxxxxxx>
- Subject: Re: [AD] memory bitmap blending
- From: "Trent Gamblin" <trent@xxxxxxxxxx>
- Date: Fri, 28 Nov 2008 16:48:17 -0700 (MST)
On Fri, November 28, 2008 4:36 pm, Peter Wang said:
> Here are screenshots of what I see for the first three.
> (low quality to avoid spamming the list)
>
> src=INVERSE_ALPHA, dest=ONE
> src is mysha, a=0.0, so there should be a contribution
> from mysha right?
>
> src=INVERSE_ALPHA, dest=INVERSE_ALPHA
> a=0.0, so the contribution from both should be full
>
> Unless I'm misunderstanding how the blending should work?
Hm, they do work on D3D but I get the same results as you
when I force the opengl driver. Something peculiar is going
on anyway, I'm not sure yet what though. If I feel up to
the task I'll look into it this weekend. Thanks.
Trent :{)>