3dfx Voodoo3 2000 Reviewer's Manual page 15

Voodoo3™ Reviewers Guide
representation of what the user would see on their display by actually running our filter
on the data and writing out the filtered, instead of the "raw" data. Get HyperSnap at
http://www.hyperionics.com/
• For a higher quality image, make sure you have "Use High Quality but lower
Perfromace Video" checked in the D3D/Direct Draw section of the "3dfx tweaks" page
in "3dfx tools" (see page 5 of Appendix 3 for details). It's basically a 2x2 box filter,
which means we filter images to produce a more pleasing image by sampling and
filtering 2x2 blocks on scan-out. The reason this runs slightly slower than standard
filtering is that it consumes some additional frame buffer bandwidth to perform this,
which in frame buffer bandwidth limited applications can have a slight (a few %)
performance impact.
For a list of recommended benchmarks and expected results, see Appendix 1.
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August 1999