Originally posted by tomato
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See http://www.anandtech.com/show/6857/a...-roadmap-fraps for a good overview of some of the issues.
Edit - here's another: http://www.anandtech.com/show/6862/f...rking-part-1/2
However, i will note, that much of the issue has to do with numbering frames precisely and detecting tearing, which is tough to do in an overlay but easy if you modify the actual game code. So it seems like that may be exactly what the Doom3 code does, so maybe that's not an issue after all, and it would only become one if Michael tried to make this a generic feature of PTS that applied to other applications that didn't directly support it.
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