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 07-Jan-2006, 16:57 #1 trinibwoy Meh   Join Date: Mar 2004 Location: New York Posts: 9,809 Vertex rate calculation Why do you have to divide by 4 to get vertex rate numbers? Vertex rate = clock x #VS / 4 ?? __________________ What the deuce!?
 07-Jan-2006, 17:01 #2 Chalnoth   Join Date: May 2002 Location: New York, NY Posts: 12,678 Because one VS unit is capable of one 4-component dot product per clock. One vertex transformation is a 4x4 matrix multiplying a 4-vector, which requires 4 dot products. __________________ April 20, 1979 - America must never forget.
07-Jan-2006, 17:08   #3
trinibwoy
Meh

Join Date: Mar 2004
Location: New York
Posts: 9,809

Quote:
 Originally Posted by Chalnoth Because one VS unit is capable of one 4-component dot product per clock. One vertex transformation is a 4x4 matrix multiplying a 4-vector, which requires 4 dot products.
Always hated matrix math. Thanks a lot!
__________________
What the deuce!?

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