diff options
Diffstat (limited to 'indra/llmath/llquantize.h')
| -rw-r--r-- | indra/llmath/llquantize.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/indra/llmath/llquantize.h b/indra/llmath/llquantize.h index 8aa03628f2..93cd16c13a 100644 --- a/indra/llmath/llquantize.h +++ b/indra/llmath/llquantize.h @@ -20,6 +20,18 @@ const U8 FIRSTVALIDCHAR = 54; const U8 MAXSTRINGVAL = U8MAX - FIRSTVALIDCHAR; //we don't allow newline or null +inline U16 F32_to_U16_ROUND(F32 val, F32 lower, F32 upper) +{ + val = llclamp(val, lower, upper); + // make sure that the value is positive and normalized to <0, 1> + val -= lower; + val /= (upper - lower); + + // round the value. Sreturn the U16 + return (U16)(llround(val*U16MAX)); +} + + inline U16 F32_to_U16(F32 val, F32 lower, F32 upper) { val = llclamp(val, lower, upper); @@ -47,6 +59,19 @@ inline F32 U16_to_F32(U16 ival, F32 lower, F32 upper) return val; } + +inline U8 F32_to_U8_ROUND(F32 val, F32 lower, F32 upper) +{ + val = llclamp(val, lower, upper); + // make sure that the value is positive and normalized to <0, 1> + val -= lower; + val /= (upper - lower); + + // return the rounded U8 + return (U8)(llround(val*U8MAX)); +} + + inline U8 F32_to_U8(F32 val, F32 lower, F32 upper) { val = llclamp(val, lower, upper); |