Re: DirectDraw & blending
- From: "Sarge" <not@xxxxxxxx>
- Date: Tue, 12 Apr 2005 02:38:38 GMT
"Phil Taylor" <ptaylor@xxxxxxxxxxxxxxxxxxx> wrote in message
news:%23gaadfwPFHA.1176@xxxxxxxxxxxxxxxxxxxxxxx
> iirc, flipcode had some code to alphablend DDraw surfaces, in mmx
assembler.
>
> one could either do that or mirror the operation under the VMR in D3D7
> without surfacing the complexity. after all, in DX7 DDraw surfaces and D3D
> textures were interchangeable.
>
> "Sarge" <not@xxxxxxxx> wrote in message
> news:u1C6e.539$J12.86@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > Hi group,
> >
> > How is it that VMR is able to alphablend images onto a DirectDraw7
> > surface?
> > I thought that DirectDraw did not support blending at all.
> >
> > Thanks,
> >
> > --Sarge
> >
> >
Thanks, Phil. So in your opinion, DirectDraw7 is *not* doing the blending?
--Sarge
.
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