diff options
Diffstat (limited to 'indra/llmath/llmatrix4a.h')
| -rw-r--r-- | indra/llmath/llmatrix4a.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/indra/llmath/llmatrix4a.h b/indra/llmath/llmatrix4a.h index d141298f69..72b61e2a74 100644 --- a/indra/llmath/llmatrix4a.h +++ b/indra/llmath/llmatrix4a.h @@ -121,7 +121,7 @@ public: res.add(z); } - inline void affineTransform(const LLVector4a& v, LLVector4a& res) + inline void affineTransformSSE(const LLVector4a& v, LLVector4a& res) { LLVector4a x,y,z; @@ -137,6 +137,20 @@ public: z.add(mMatrix[3]); res.setAdd(x,z); } + + inline void affineTransformNonSSE(const LLVector4a& v, LLVector4a& res) + { + F32 x = v[0] * mMatrix[0][0] + v[1] * mMatrix[1][0] + v[2] * mMatrix[2][0] + mMatrix[3][0]; + F32 y = v[0] * mMatrix[0][1] + v[1] * mMatrix[1][1] + v[2] * mMatrix[2][1] + mMatrix[3][1]; + F32 z = v[0] * mMatrix[0][2] + v[1] * mMatrix[1][2] + v[2] * mMatrix[2][2] + mMatrix[3][2]; + F32 w = 1.0f; + res.set(x,y,z,w); + } + + inline void affineTransform(const LLVector4a& v, LLVector4a& res) + { + affineTransformNonSSE(v,res); + } }; #endif |