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| author | Graham Linden <graham@lindenlab.com> | 2013-09-26 11:32:57 -0700 |
|---|---|---|
| committer | Graham Linden <graham@lindenlab.com> | 2013-09-26 11:32:57 -0700 |
| commit | e285d515d5b94acce280edf586a16272931749d9 (patch) | |
| tree | e1b271cae6523b8d3c1ead38423be947cdd994aa | |
| parent | 4709ca96975e24e49eba00760dd840a5b026fcb9 (diff) | |
NORSPEC-281 bring back a classic normal generation fix from runitai's personal collection
| -rwxr-xr-x | indra/llmath/llvolume.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 2b865b4a8e..f74c934b21 100755 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -166,7 +166,8 @@ void calc_tangent_from_triangle( F32 rd = s1*t2-s2*t1; - float r = ((rd*rd) > FLT_EPSILON) ? 1.0F / rd : 1024.f; //some made up large ratio for division by zero + float r = ((rd*rd) > FLT_EPSILON) ? (1.0f / rd) + : ((rd > 0.0f) ? 1024.f : -1024.f); //some made up large ratio for division by zero llassert(llfinite(r)); llassert(!llisnan(r)); @@ -6789,7 +6790,8 @@ void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVe F32 rd = s1*t2-s2*t1; - float r = ((rd*rd) > FLT_EPSILON) ? 1.0F / rd : 1024.f; //some made up large ratio for division by zero + float r = ((rd*rd) > FLT_EPSILON) ? (1.0f / rd) + : ((rd > 0.0f) ? 1024.f : -1024.f); //some made up large ratio for division by zero llassert(llfinite(r)); llassert(!llisnan(r)); |