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Cycles: Remove unused function

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It was quite wrong actually by doing some __m128 to flaot4 round trips.
This commit is contained in:
Sergey Sharybin 2017-04-13 15:01:55 +02:00
parent 0706b908db
commit e6392458d3
1 changed files with 0 additions and 25 deletions
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25
intern/cycles/util/util_math.h
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@ -1493,31 +1493,6 @@ ccl_device_inline float2 map_to_sphere(const float3 co)
return make_float2(u, v);
}
ccl_device_inline int util_max_axis(float3 vec)
{
#ifdef __KERNEL_SSE__
__m128 a = shuffle<0,0,1,1>(vec.m128);
__m128 b = shuffle<1,2,2,1>(vec.m128);
__m128 c = _mm_cmpgt_ps(a, b);
int mask = _mm_movemask_ps(c) & 0x7;
static const char tab[8] = {2, 2, 2, 0, 1, 2, 1, 0};
return tab[mask];
#else
if(vec.x > vec.y) {
if(vec.x > vec.z)
return 0;
else
return 2;
}
else {
if(vec.y > vec.z)
return 1;
else
return 2;
}
#endif
}
CCL_NAMESPACE_END
#endif /* __UTIL_MATH_H__ */