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| author | Rider Linden <rider@lindenlab.com> | 2015-09-29 14:16:58 -0700 |
|---|---|---|
| committer | Rider Linden <rider@lindenlab.com> | 2015-09-29 14:16:58 -0700 |
| commit | 2fe0c321095a8a97ad8d9033430f8cbd4ceddd14 (patch) | |
| tree | 47f6552b8279e009aa0d6fe5f0310b4926e14601 /indra/llmath/llvolume.cpp | |
| parent | 83836d91178235e5c188020ac57c9a296343e83b (diff) | |
| parent | 2d52b62e67cf46222396c724d00d2de874819197 (diff) | |
DRTVWR-409: merge DRTVWR-368
Diffstat (limited to 'indra/llmath/llvolume.cpp')
| -rwxr-xr-x | indra/llmath/llvolume.cpp | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index c2198b91a7..4703e6cf1a 100755 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -6072,7 +6072,7 @@ void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, con if (new_verts > mNumAllocatedVertices) { - //double buffer size on expansion + // double buffer size on expansion new_verts *= 2; S32 new_tc_size = ((new_verts*8)+0xF) & ~0xF; @@ -6088,18 +6088,21 @@ void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, con mNormals = mPositions+new_verts; mTexCoords = (LLVector2*) (mNormals+new_verts); - //positions - LLVector4a::memcpyNonAliased16((F32*) mPositions, (F32*) old_buf, old_vsize); - - //normals - LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) (old_buf+mNumVertices), old_vsize); + if (old_buf != NULL) + { + // copy old positions into new buffer + LLVector4a::memcpyNonAliased16((F32*)mPositions, (F32*)old_buf, old_vsize); - //tex coords - LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) (old_buf+mNumVertices*2), old_tc_size); + // normals + LLVector4a::memcpyNonAliased16((F32*)mNormals, (F32*)(old_buf + mNumVertices), old_vsize); - //just clear tangents - ll_aligned_free_16(mTangents); - mTangents = NULL; + // tex coords + LLVector4a::memcpyNonAliased16((F32*)mTexCoords, (F32*)(old_buf + mNumVertices * 2), old_tc_size); + } + + // just clear tangents + ll_aligned_free_16(mTangents); + mTangents = NULL; ll_aligned_free<64>(old_buf); mNumAllocatedVertices = new_verts; |