Peter Hutterer d22c25bda4 dix: Allocate MD's motion history to be large enough for potential valuators ...

Since we can't predict how many valuators may be in a future SD attached to an
MD, we need to preallocate a history buffer that is large enough to keep
MAX_VALUATORS coordinates per event.

In addition, the history buffer needs to memorize the coordinate ranges at the
time, thus requiring MDs to store (min_val, max_val, current_val, time)
instead of (current_val, time) for each motion history entry.

This commit only fixes the allocation.

2008-05-26 09:26:18 +09:30

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