Re: Mono or Multi-process ?

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Jim Helman (jimh++at++surreal)
Mon, 06 Nov 95 19:34:38 -0800

> But youre not saying that this blocks until after the clear
> is finished, just until the buffers swap and clear returns.

Right. Which means that in single processed FLOAT or LOCK, you'd
lose an entire frame, because the swap/clear will block to a frame
boundary and later pfSync will do the same. In FREE_RUN, swap+clear
would cause you to block to a field boundary at the end of the draw.
This wastes time since without it, APP and sometimes CULL processing,
can use the time between the completion of the DRAW and the next frame
boundary. So swap+clear would only be useful if we had a version that
did not block, which we do not.

rgds,

-jim

jimh++at++surreal.asd.sgi.com
415/933-1151

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