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authorandreykproductengine <akleshchev@productengine.com>2015-08-20 20:25:58 +0300
committerandreykproductengine <akleshchev@productengine.com>2015-08-20 20:25:58 +0300
commitbb7ac16318cb51c7a0863ad349fbd0511f199d21 (patch)
tree95d5df4cc67e0fd4c458edaf53e86166c67fc272 /indra/llmath
parentb3916451c178fe62775b9ba9e5a66da21f5ac2b8 (diff)
MAINT-5532 FIXED upload of duck.dae from MAINT-4483 crashes mac viewer
Diffstat (limited to 'indra/llmath')
-rwxr-xr-xindra/llmath/llvolume.cpp25
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;