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SH-914 Fix for normals getting screwed up by non-uniform model normalization.

meow-7.2.2
Dave Parks 2011-05-18 01:30:21 -05:00
parent f9ac182865
commit e237f5733c
1 changed files with 7 additions and 0 deletions
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7
indra/llprimitive/llmodel.cpp
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@ -991,6 +991,9 @@ void LLModel::normalizeVolumeFaces()
scale.splat(1.f);
scale.div(size);
LLVector4a inv_scale(1.f);
inv_scale.div(scale);
for (U32 i = 0; i < mVolumeFaces.size(); ++i)
{
LLVolumeFace& face = mVolumeFaces[i];
@ -1007,10 +1010,14 @@ void LLModel::normalizeVolumeFaces()
// For all the positions, we scale
// the positions to fit within the unit cube.
LLVector4a* pos = (LLVector4a*) face.mPositions;
LLVector4a* norm = (LLVector4a*) face.mNormals;
for (U32 j = 0; j < face.mNumVertices; ++j)
{
pos[j].add(trans);
pos[j].mul(scale);
norm[j].mul(inv_scale);
norm[j].normalize3();
}
}