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Fixed bug with XMStoreFloat3SE

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This commit is contained in:
Chuck Walbourn 2016-07-06 12:18:22 -07:00
parent b33c94320b
commit 79aeb262f6
1 changed files with 6 additions and 5 deletions
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11
Inc/DirectXPackedVector.inl
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@ -2473,9 +2473,10 @@ inline void XM_CALLCONV PackedVector::XMStoreFloat3SE
fi.f = maxColor;
fi.i += 0x00004000; // round up leaving 9 bits in fraction (including assumed 1)
pDestination->e = (fi.i - 0x37800000) >> 23;
uint32_t exp = fi.i >> 23;
pDestination->e = exp - 0x6f;
fi.i = 0x83000000 - fi.i;
fi.i = 0x83000000 - (exp << 23);
float ScaleR = fi.f;
#ifdef _XM_NO_ROUNDF_
@ -2483,9 +2484,9 @@ inline void XM_CALLCONV PackedVector::XMStoreFloat3SE
pDestination->ym = static_cast<uint32_t>( Internal::round_to_nearest(y * ScaleR) );
pDestination->zm = static_cast<uint32_t>( Internal::round_to_nearest(z * ScaleR) );
#else
pDestination->xm = static_cast<uint32_t>( roundf(x * ScaleR) );
pDestination->ym = static_cast<uint32_t>( roundf(y * ScaleR) );
pDestination->zm = static_cast<uint32_t>( roundf(z * ScaleR) );
pDestination->xm = static_cast<uint32_t>( lroundf(x * ScaleR) );
pDestination->ym = static_cast<uint32_t>( lroundf(y * ScaleR) );
pDestination->zm = static_cast<uint32_t>( lroundf(z * ScaleR) );
#endif
}