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More work toward 2.1: Implement InputOptions using TexImage.

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castano
2010-11-03 18:31:16 +00:00
parent 8838b5220a
commit 1e2567e4a3
29 changed files with 2172 additions and 2878 deletions
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39
src/nvmath/nvmath.h
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@ -166,8 +166,8 @@ namespace nv
inline float square(float f) { return f * f; }
inline int square(int i) { return i * i; }
inline float cube(float f) { return f * f; }
inline int cube(int i) { return i * i; }
inline float cube(float f) { return f * f * f; }
inline int cube(int i) { return i * i * i; }
// @@ Float to int conversions to be optimized at some point. See:
// http://cbloomrants.blogspot.com/2009/01/01-17-09-float-to-int.html
@ -189,10 +189,37 @@ namespace nv
return int(ceilf(f));
}
inline float frac(float f)
{
return f - floor(f);
}
inline float frac(float f)
{
return f - floor(f);
}
inline float fround(float f)
{
// @@ Do something better.
return float(iround(f));
}
inline float quantizeCeil(float f, int bits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
float scale = float(1 << bits);
return ceilf(f * scale) / scale;
}
inline float quantizeRound(float f, int bits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
float scale = float(1 << bits);
return fround(f * scale) / scale;
}
inline float quantizeFloor(float f, int bits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
float scale = float(1 << bits);
return floor(f * scale) / scale;
}
} // nv