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| author | Graham Linden <graham@lindenlab.com> | 2013-09-26 11:44:40 -0700 |
|---|---|---|
| committer | Graham Linden <graham@lindenlab.com> | 2013-09-26 11:44:40 -0700 |
| commit | 0103cac1ddda96fd470238d2c8b73c2cf55b6c12 (patch) | |
| tree | a485d28fd9861c41bf9b7117c085bd84617f43de /indra/llmath/llvector4a.inl | |
| parent | dd4beb695a9c800b37b7c9a19d3ac3f4456012f5 (diff) | |
| parent | badb8a945d31aed6f396e7efb521e76083870069 (diff) | |
Merge viewer-bear maint RC changes to get this build closer to the RC it will follow
Diffstat (limited to 'indra/llmath/llvector4a.inl')
| -rwxr-xr-x | indra/llmath/llvector4a.inl | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/indra/llmath/llvector4a.inl b/indra/llmath/llvector4a.inl index 558fe09323..69d3d01efe 100755 --- a/indra/llmath/llvector4a.inl +++ b/indra/llmath/llvector4a.inl @@ -480,16 +480,13 @@ inline void LLVector4a::setMax(const LLVector4a& lhs, const LLVector4a& rhs) mQ = _mm_max_ps(lhs.mQ, rhs.mQ); } -// Set this to (c * lhs) + rhs * ( 1 - c) +// Set this to lhs + (rhs-lhs)*c inline void LLVector4a::setLerp(const LLVector4a& lhs, const LLVector4a& rhs, F32 c) { - LLVector4a a = lhs; - a.mul(c); - - LLVector4a b = rhs; - b.mul(1.f-c); - - setAdd(a, b); + LLVector4a t; + t.setSub(rhs,lhs); + t.mul(c); + setAdd(lhs, t); } inline LLBool32 LLVector4a::isFinite3() const |