Re: [info-performer] Bad sort tokens on VPro graphics.

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From: Marcin Romaszewicz (marcin++at++sgi.com)
Date: 10/24/2002 11:46:48

This error means that you likely passed a corrupt array of sort orders to
pfChannel::setBinSort(). If you're not calling that function, then I
wouldn't be surprised if it were some sort of memory corruption.

-- Marcin

On Thu, 24 Oct 2002, Fred Dech wrote:

> hi.
>
> i recently ported some code from an IR2 to a V12 that interactively varies the
> transparency of some pfGeoStates. i don't get warnings on the IR2, but
> as soon as i start modifying alpha on the V12, i get plenty. the mod code
> looks like:
>
> /////////////////////////////////////////////////
> if (alpha < 1.0)
> gstate->setMode(PFSTATE_TRANSPARENCY, PFTR_FAST);
> else
> gstate->setMode (PFSTATE_TRANSPARENCY, PFTR_OFF);
> /////////////////////////////////////////////////
>
> if (gset->getAttrBind(PFGS_COLOR4)==PFGS_OVERALL)
> {
> pfVec4 * colors;
>
> gset->getAttrLists(PFGS_COLOR4, (void **)&colors, NULL);
> (*colors)[3] = alpha;
>
> } else {
> pfMaterial * mtl = NULL;
> mtl = (pfMaterial *)gstate->getAttr(PFSTATE_FRONTMTL);
> mtl->setColorMode(PFMTL_FRONT,PFMTL_CMODE_OFF);
> mtl->setAlpha(alpha);
> }
>
> i believe the first conditional ends up being true all the time. i can't
> recall why i put this conditional in. 'forgot to comment that one :-o
>
> and the error messages look like:
>
> PF Warning/Usage: Bad sort token 1e00000000
> PF Warning/Usage: Bad sort token 47b35a000001600
> PF Warning/Usage: Bad sort token 1e0000001e
> PF Warning/Usage: Bad sort token 1e00000000
> PF Warning/Usage: Bad sort token 1010c17800001600
> PF Warning/Usage: Bad sort token 1e0000001e
> PF Warning/Usage: Bad sort token 1010bfd800001600
> PF Warning/Usage: Bad sort token 1010c14800001600
> PF Warning/Usage: Bad sort token 1e00000000
> PF Warning/Usage: Bad sort token 1010c6a800001600
> PF Warning/Usage: Bad sort token 47b35a000001600
> PF Warning/Usage: Bad sort token 1effffffff
> PF Warning/Usage: Bad sort token ffffffff0000001e
> etc., etc.
>
> once they start, they just keep on 'a comin', until all gstates are set to:
> (PFSTATE_TRANSPARENCY, PFTR_OFF).
>
> i'd greatly appreciate any advice on what i might be doing wrong.
>
> thanks.
>
> --fred
> --
> Fred Dech fdech++at++uchicago.edu
> University of Chicago Dept. of Surgery
> Ph: (773) 834-8359, Fax: (773) 702-0564
>
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