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[jitter] Re: Framerate problems with triple head output.

bill wschalle at gmail.com
Mon Mar 3 18:16:32 MST 2008


Vade-

The cards I have have 256 megs of vram, so I don't think that is an issue.

1. I have two graphics cards running 3 projectors and a console, so spanning a single window across all three is out of the question. If I had time to acquire a matrox triplehead to go and a beefier graphics card, I would do that instead. Hindsight is 20/20.

2. The images I am using are going to be projected quite large, and I want the resolution to be good enough to make out details in the images. The higher the resolution, the better my end result. I'm willing to compromise in the end for framerate's sake, but I'd like to get as much resolution out of this as possible.

3. I need to do a crossfade, and I'd like to offload as much work as possible to the GPU. Maybe i'm not understanding what you mean by direct to window.

If it were possible, I'd run this show on my personal, overbuilt gaming rig. For reasons beyond the scope of this thread, that is impossible. 

I think the CPU may be the primary issue here. The CPU is pegged at 100% while my patch is running. Maybe I'll see an improvement on Thursday when the new processor gets here. 


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