Thanks for the details, Luc-Eric.
Cheers,
Alan.
On Mon, Mar 3, 2008 at 5:26 PM, Luc-Eric Rousseau <lucer(at)softimage.com> wrote:
> there is nothing fundamental blocking AA in the XSI viewport. The
> problem is that if it's forced enabled in the driver, XSI
> [can't]/[doesn't know to] turn it off when it does its raycast selection
> pass. Something implemented with display passes should not interfere
> with selection; it's all ok as long as you clean up your OpenGL states.
> Now the AA extensions actually requires buffer setup that needs to be
> done by XSI when it's creating the view, so I don't think you can turn
> it on at all from a shader.
>
>
> -----Original Message-----
> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf
>
>
> Of Alan Jones
> Posted At: March-03-08 12:18 PM
> Posted To: xsi
> Conversation: How Would You Visualize DOF in GL?
> Subject: Re: How Would You Visualize DOF in GL?
>
> Though we won't get antialiasing in the working viewport because of
> the way selection
> works right? It'd require a rewrite of all the selection tools I
> imagine. Wouldn't DOF cause
> the same problem?
>
> Cheers,
>
> Alan.
>
> On Mon, Mar 3, 2008 at 5:08 PM, Luc-Eric Rousseau <lucer(at)softimage.com>
> wrote:
> >
> >
> >
> >
> > this indeed can be done with this technique, but you can't do this
> with the
> > actual OpenGL accumulation buffer, because it's not implemented in
> hardware
> > and it's therefore slow. You'd do this with a floating point p-buffer
> > instead.
> >
> > p.s.: the XSI viewport capture implements anti-aliasing with the
> > accumulation buffer, using the same technique.
> >
> >
> >
> >
> > From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On
> Behalf Of
> > Steven Caron
> > Posted At: March-01-08 8:19 PM
> > Posted To: xsi
> > Conversation: How Would You Visualize DOF in GL?
> >
> > Subject: Re: How Would You Visualize DOF in GL?
> >
> >
> >
> >
> >
> > this is using an accumulation buffer i believe...
> >
> > http://www.cs.uiuc.edu/class/sp06/cs419/accum/accum.html
>
>
>
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