Re: database paging problem

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Rémi Arnaud (remi++at++remi.engr.sgi.com)
Fri, 31 Oct 1997 14:24:24 -0800 (PST)

John Rauch wrote:
>
>
> I have a flight simulator variant of Perfly which utilizes pfpfb
> routines to implement database paging. The database paging
> implementation is working fine. There is however one related
> problem.
>
> We are wanting to preload all of the textures that are used in
> our Performer Flight Binary database. We know these textures
> beforehand, and create a pfList of textures which is then loaded
> into Texture memory with the pfuDownloadTexList. We have found
> that the pfpfb routines maintain their own list of pfTextures
> found while loading the database. The pfTextures "downloaded"
> to Texture memory are not being used, instead the pfpfb routines
> are loading the pfTextures into Texture memory as they are
> encountered, transitioning through the database.
>
> Has anyone else dealt with this problem before? Can anyone offer
> insight toward a solution to this problem?

 If you use the pfbloader to load your textures first,
 and have PFPFB_SHARE_GS_OBJECTS at PF_ON,
 the next time the pfb loader sees the texture it should not load it.

>
> This is my third posting (and rewording) of this question. If
> there is a better place to pose this question, would somebody
> please let me know!
>
> Any help/guidance is appreciated.
>
> John Rauch
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