Hi Robert,
Oops, this is what I meant
SCENE
Parent->Program with shader
Child->Empty program
PROBLEM
Child was still being shaded.
Zach
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Robert Osfield
Sent: Monday, January 08, 2007 11:39
To: osg users
Subject: Re: [osg-users] StateSet issue
Hi Zach,
The osg::Program used should be empty - i.e. no shaders attached.
Robert.
On 1/8/07, Zach Deedler <[EMAIL PROTECTED]> wrote:
> This might be more readable as the problem:
>
> SCENE
> Parent->Shader
> Child->Shader with empty program
>
> PROBLEM
> Child was still being shaded.
>
>
> Zach
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of David
> Guthrie
> Sent: Monday, January 08, 2007 11:12
> To: osg users
> Subject: Re: [osg-users] StateSet issue
>
> Oh, if you need it to work, just create an osg::Program and pass it to
> the state set without doing anything else. The program will be empty
> and it will disable the shaders. I've never coded that in an osg file,
though.
>
>
>
> On Jan 8, 2007, at 11:08 AM, Zach Deedler wrote:
>
> > I agree. (since I haven't been able to get the empty osg::Program
> > thing to
> > work)
> >
> >
> > Zach
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of David
> > Guthrie
> > Sent: Monday, January 08, 2007 11:00
> > To: osg users
> > Subject: Re: [osg-users] StateSet issue
> >
> > It might be a nice feature if OSG supported doing this, that is one
> > could turn off shaders and it would assign an empty program but hold
> > onto the last program. Then it could be turned back on again. As
> > often as people have this problem, it could be nice to work around it.
> >
> > My two cents,
> > David
> >
> > On Jan 8, 2007, at 10:47 AM, Robert Osfield wrote:
> >
> >> Hi Joakim,
> >>
> >> Unfortunately you can't turn GLSL shaders off using a mode change
> >> as OpenGL itself doesn't support this for GLSL. This is a real
> >> shame w.r.t consistency with the rest of the OSG/OpenGL. The way
> >> to switch off shaders is to assign an empty osg::Program to the
> >> stateset that you don't want GLSL to be active on.
> >>
> >> Robert.
> >>
> >> On 1/8/07, Joakim Simonsson <[EMAIL PROTECTED]> wrote:
> >>>
> >>> Hi,
> >>>
> >>> * I have one group that contains two geodes, A and B.
> >>> * The group has a StateSet with a shader.
> >>> * My goal is to modify the StateSet of geode B, so the shader
> >>> doesn't apply for that node.
> >>>
> >>> B's state set:
> >>>
> >>> StateSet {
> >>> UniqueID StateSet_2
> >>> DataVariance STATIC
> >>> rendering_hint DEFAULT_BIN
> >>> renderBinMode INHERIT
> >>> 0x24 OFF This should turn shaders
> >>> off
> >>> }
> >>>
> >>> But it seems that it still inherits the stateset from the parent
> >>> node (the group node), i.e. the shader is not turned off for the B
> >>> node.
> >>>
> >>> Any clues?
> >>>
> >>>
> >>> --
> >>> Joakim Simonsson
> >>>
> >>> _______________________________________________
> >>> osg-users mailing list
> >>> [email protected]
> >>> http://openscenegraph.net/mailman/listinfo/osg-users
> >>> http://www.openscenegraph.org/
> >>>
> >>>
> >>>
> >> _______________________________________________
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> >> http://www.openscenegraph.org/
> >>
> >
> > _______________________________________________
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> >
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> >
>
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