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Various optimizations

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This commit is contained in:
Jack Andersen
2016-02-14 17:57:57 -10:00
parent bbb81c96b8
commit bd88f654a9
6 changed files with 36 additions and 44 deletions
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27
include/CMatrix3f.hpp
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@@ -127,7 +127,32 @@ public:
};
};
CMatrix3f operator*(const CMatrix3f& lhs, const CMatrix3f& rhs);
static CMatrix3f operator*(const CMatrix3f& lhs, const CMatrix3f& rhs)
{
#if __SSE__
unsigned i;
TVectorUnion resVec[3];
for (i=0 ; i<3 ; ++i) {
resVec[i].mVec128 =
_mm_add_ps(_mm_add_ps(
_mm_mul_ps(lhs[0].mVec128, ze_splat_ps(rhs[i].mVec128, 0)),
_mm_mul_ps(lhs[1].mVec128, ze_splat_ps(rhs[i].mVec128, 1))),
_mm_mul_ps(lhs[2].mVec128, ze_splat_ps(rhs[i].mVec128, 2)));
resVec[i].v[3] = 0.0;
}
return CMatrix3f(resVec[0].mVec128, resVec[1].mVec128, resVec[2].mVec128);
#else
return CMatrix3f(lhs[0][0] * rhs[0][0] + lhs[1][0] * rhs[0][1] + lhs[2][0] * rhs[0][2],
lhs[0][0] * rhs[1][0] + lhs[1][0] * rhs[1][1] + lhs[2][0] * rhs[1][2],
lhs[0][0] * rhs[2][0] + lhs[1][0] * rhs[2][1] + lhs[2][0] * rhs[2][2],
lhs[0][1] * rhs[0][0] + lhs[1][1] * rhs[0][1] + lhs[2][1] * rhs[0][2],
lhs[0][1] * rhs[1][0] + lhs[1][1] * rhs[1][1] + lhs[2][1] * rhs[1][2],
lhs[0][1] * rhs[2][0] + lhs[1][1] * rhs[2][1] + lhs[2][1] * rhs[2][2],
lhs[0][2] * rhs[0][0] + lhs[1][2] * rhs[0][1] + lhs[2][2] * rhs[0][2],
lhs[0][2] * rhs[1][0] + lhs[1][2] * rhs[1][1] + lhs[2][2] * rhs[1][2],
lhs[0][2] * rhs[2][0] + lhs[1][2] * rhs[2][1] + lhs[2][2] * rhs[2][2]);
#endif
}
}