I think I've the same card as John.  WinXP reports it as a 16 MB ATI Rage
128 Ultra.  I get different behavior in OpenGL and DirectX.  Attached are
the logs and exceptions.  DirectX didn't have any, yet OpenGL failed the 32
bit.




----- Original Message -----
From: "John Wright" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 12, 2003 8:16 AM
Subject: Re: [JAVA3D] Testing Canvas3D with differents depthBuffers


> Alessandro,
>
> Your new code looks the same on the graphics display - the top row is a
> spinning cube labeled "Buffer:32" then no cube and "depthBuffer 32
> Failed!" then another spinning cube labeled "Buffer:24".
>
> The console dump (sorry not testing on same machine as e-mail so tough
> to cut and paste) has:
>   Failed at 32
> followed by a null pointer exception then:
>   Depth Buffer size 24
> the rest looks "normal"
>
> - John Wright
> Starfire Research
>
> Alessandro Borges wrote:
> >
> > Thanks for testing, John.
> >
> > Do you get the 32bit depthbuffer failed and the cube  is spinning ?
> > I guess there is another exception raising from elsewhere after the
canvas3D
> > creation. But I was not expection for  Exceptions raising in the another
> > places...
> > If you could test the attached code, with exception tracing,  we can
> > discover what is happening.
> >
> > Up to now I note some cards do not offer real 32bit depthBuffer, but
seens
> > your ATI does it, ( or cheat it, must check the console output pixfmt
> > value ).
> >
> > Alessandro
> >
> > ----- Original Message -----
> > From: "John Wright" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Thursday, June 12, 2003 10:54 AM
> > Subject: Re: [JAVA3D] Testing Canvas3D with differents depthBuffers
> >
> > > Alessandro,
> > >
> > > I've tested on a "16MB ATI Rage 128 Ultra" for you.  I do get seven
> > > spinning cubes and one "failure"? labeled: 32, (blank with
"depthBuffer
> > > 32 Failed!"), 24, 16, 12, 10, 8, 0. So I'm not sure if it failed on
> > > anything or not.  Are you testing 32 bit in two ways?
> > >
> > > - John Wright
> > > Starfire Research
> > >
> > > Alessandro Borges wrote:
> > > >
> > > >     Thank you, Rob
> > > >     I guess you have all canvas working properly, right?
> > > >     In my test bed (Savage4), the 32bit depthBuffer canvas doesnot
show
> > the
> > > > cube. I think it is becouse the 24(depth) + 8(stencil) buffering
adopted
> > by
> > > > major video card makers, so there is no real 32bits depthBuffer ...
> > > >
> >
>
  ------------------------------------------------------------------------
> >                         Name: TestGraphics.java
> >    TestGraphics.java    Type: unspecified type
(application/octet-stream)
> >                     Encoding: quoted-printable
>
>
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Attachment: OpenGL.err
Description: Binary data

Attachment: OpenGL.log
Description: Binary data

Attachment: DirectX.log
Description: Binary data

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