Re: off-screen rendering

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Angus Dorbie (dorbie++at++multipass.engr.sgi.com)
Fri, 27 Feb 1998 15:49:12 -0800

On Feb 27, 2:59pm, Tom Flynn wrote:
> Subject: off-screen rendering
> Greetings
>
> My boss just asked me to render one of my scenes at 2048x2048 and capture
> it to a file. Screen res wise, my Onyx IR only goes to 1900x1200 (bummer :).
> Is there a way in Performer I can render off-screen into memory and then
> write that out to a file? Maybe using SGI P-buffers or something?

This is just a video limit. You can still create a huge managed area in iR
combine and open your window as usual, For the kind or real-estate you need
you'll require at least 2 RMs.

You can also take multiple video from this managed area and display it on
several monitors to keep track of your work, king of like a video wall.

Pbuffers are also possible.

There are limits to the maximum supported gl viewport size but 2048x2048 is OK.

Cheers,Angus.

-- 
For advanced 3D graphics Performer + OpenGL based examples and tutors:
http://www.dorbie.com/
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