Re: GangSwap functionarity in OpenGL-based code on RE2
root (david++at++cdirect.co.uk)
Sun, 17 Oct 1999 02:22:49 +0000
> Although this might be an off-Performer topic, I believe someone in this ML
> can help me...
>
> One of our customers is using Onyx/RE2-3pipes system and they use Performer
> as its API.
> Currently, they are planning to use OpenGL directly, but manpage says...
>
> man glXSwapBuffers
> MACHINE DEPENDENCIES
> Gang swap (multipipe synchronized buffer swaps) is not supported on
> RealityEngine, RealityEngine2, and VTX systems. This will be fixed in a
> future release.
>
> The combination of Performer/GangSwap(SwapReady) works fine now.
>
> Are there any proper way to use GangSwap on OpenGL/RE2 like Performer ?
> or
> How does Performer realize it properly ?
Off the top of my head I recall that the RE2 actually uses IrisGL and not OpenGL.
There is a wrapper library that comes with IRIX but Performer uses the native
IrisGL libraries which would probably account for this discrepency.
I might of course be wrong here :-) If so someone is bound to correct me - I have
been using IR's which are native OpenGL
Regards
David
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on Sat Oct 16 1999 - 18:29:44 PDT