From: Dorosky, Christopher G (christopher.g.dorosky++at++lmco.com)
Date: 02/16/2000 14:45:07
"make the same change to their respective LUT's"
This is the part I don't know how to do. The commands we use are:
glEnable (or Disable) (GL_TEXTURE_COLOR_TABLE_SGI)
and then fiddle with it with
glColorTableSGI.
Is there either a GL_TEXTURE_COLOR_TABLE_SGI2 or a better way to do this?
Christopher Dorosky
Senior Electronic Systems Engineer - Real Time Simulation
Lockheed Martin Missiles and Fire Control - Dallas
christopher.g.dorosky++at++lmco.com
972-603-2349
> ----------
> From: Angus Dorbie[SMTP:dorbie++at++sgi.com]
> Sent: Wednesday, February 16, 2000 4:14 PM
> To: Dorosky, Christopher G
> Cc: 'info-performer++at++sgi.com'
> Subject: Re: Multiple color look up tables.
>
> You have to change the LUT in the draw process anyway, so each draw
> process should make the same change to their respective LUT's. Once you
> have the shared memory structures to direct this from the application,
> actually applying this in multiple draw processes should be relatively
> simple.
>
> Cheers,Angus.
>
> "Dorosky, Christopher G" wrote:
> >
> > On our one pipe systems, we use the GL color look up table to colorize
> our
> > greyscale data.
> > We now run multiple pipes, and need to have different look up tables on
> > different pipes.
> > The draw processes run in parallel, so we can't simply change the table
> > values.
> > How can we do this?
> >
> > System info is Onyx 2 runnning a performer app.
> >
> > Chris
> >
> > Christopher Dorosky
> > Senior Electronic Systems Engineer - Real Time Simulation
> > Lockheed Martin Missiles and Fire Control - Dallas
> > christopher.g.dorosky++at++lmco.com
> > 972-603-2349
> > -----------------------------------------------------------------------
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>
> --
> For Performer+OpenGL tutorials http://www.dorbie.com/
> My comment on the abuse of Jon Johanson's rights;
> After giving up raiding their neighboring countries the Norse men
> have taken to raiding 15 year old kids in their bedrooms. Very sad.
>
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