RE: How to build the senario of submarine

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JSC-ER7 (hadi.m.tjandrasa1++at++jsc.nasa.gov)
Thu, 28 Aug 1997 08:33:07 -0500

Hi Rob,

Is there any penalty in perfomance using the stencil mechanism, such as
RM throughput, extra processing time, or else? If there is any, can you
elaborate on that?

Thanks in advance,
Hadi

>----------
>From: Rob Jenkins[SMTP:robj++at++quid.csd.sgi.com]
>Sent: Wednesday, August 27, 1997 2:28 PM
>To: jim; info-vega++at++paradigmsim.com; info-performer++at++sgi.com
>Subject: Re: How to build the senario of submarine
>
>If you quesion is how to achieve the circular 'window' then you could do that
>with a stencil mask, you draw a circle to the stencil planes, enable a
>stencil
>test such that anything then drawn outside the circle fails the stencil test.
>I
>think there's OpenGL examples, you could put the OpenGL in a predraw call
>back
>then draw the scene, I dare sat someone on the list has done something
>similar
>already.
>
>Cheers
>Rob
>
>On Aug 27, 7:47pm, jim wrote:
>> Subject: How to build the senario of submarine
>> Hi:
>> Have you any ideas about submarine simulation. I'd like to render the
>> circle channel of telescope and the undersea senario.
>>
>> Thanks in advance
>>
>> --
>> Support Engineer Jim Tsai
>> System & Technology Corp. Visual Simulation Group
>> www.systech.hinet.net
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>> List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
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>>-- End of excerpt from jim
>
>
>
>--
>________________________________________________________________
>Rob Jenkins mailto:robj++at++sgi.com
>Silicon Graphics, Mtn View, California, USA
>=======================================================================
>List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
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