No subject
Tue Mar 17 14:04:44 CDT 2009
"The spec is written as if the computations are
done on floating point values ranging from -1.0 to 1.0 (clamping is
specified where this range is exceeded). The fact that NV10 does
the computations as 9-bit signed fixed point is not mentioned in
the spec. This permits a future design to support more precision
or use a floating pointing representation."
Looks like you only need to clamp to zero here, if that really is the problem.
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