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| author | Dave Parks <davep@lindenlab.com> | 2011-05-18 01:30:21 -0500 |
|---|---|---|
| committer | Dave Parks <davep@lindenlab.com> | 2011-05-18 01:30:21 -0500 |
| commit | e237f5733ca453fa51a16f9f88da265be201a607 (patch) | |
| tree | 7cad3f644bcabcc626c014872312891c63aa756e /indra | |
| parent | f9ac182865ac31eb03668a628e100d94c35eab53 (diff) | |
SH-914 Fix for normals getting screwed up by non-uniform model normalization.
Diffstat (limited to 'indra')
| -rw-r--r-- | indra/llprimitive/llmodel.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 794cdb83d5..57ac7a143f 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -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(); } } |