Subject:
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Re: Several replies to CLIPPING / WINDING
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 19 Oct 1999 13:19:46 GMT
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Viewed:
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618 times
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"Lars C. Hassing" wrote:
>
> Wait a minute, you were not going to actually send winding state changes
> to the graphics engine?
> Simply keep track of the state yourself and send either vertices 1,2,3
> or 3,2,1.
> The part author can use as many WINDING CW/CCW as he likes
> - it won't hurt performance a bit!
Sure, that can be done but there's the "0 UNKNOWN" or "0 DOUBLE-SIDED"
case, and you'd have to send the triangles twice if you don't want to
change the state.
Leonardo
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Message has 1 Reply:
 | | Re: Several replies to CLIPPING / WINDING
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| (...) That can be done, but you will probably suffer a performance hit, because, most hardware, just use a bit, to keep track of the state. Just minimize the use of the 0 CCW and 0 CW meta-commands, to boost performance. When optimizing existent or (...) (25 years ago, 20-Oct-99, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: Several replies to CLIPPING / WINDING
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| Rui Martins wrote in message ... (...) Wait a minute, you were not going to actually send winding state changes to the graphics engine? Simply keep track of the state yourself and send either vertices 1,2,3 or 3,2,1. The part author can use as many (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev)
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