summaryrefslogtreecommitdiff
path: root/indra/llmath
diff options
context:
space:
mode:
authorBrad Payne (Vir Linden) <vir@lindenlab.com>2016-08-23 15:08:14 -0400
committerBrad Payne (Vir Linden) <vir@lindenlab.com>2016-08-23 15:08:14 -0400
commit278825191bdbcc61d398d85c9377c4e921423dde (patch)
treee2a3901689103d62869cabb837921dc630672387 /indra/llmath
parentd23bb7e05667d722c38208419c137a0bb13ca6c4 (diff)
TEST - non-SSE code path for matrix ops used in mesh skinning.
Diffstat (limited to 'indra/llmath')
-rw-r--r--indra/llmath/llmatrix4a.h16
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