diff options
Diffstat (limited to 'indra/llprimitive/llmodel.cpp')
| -rwxr-xr-x | indra/llprimitive/llmodel.cpp | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 847b1d8385..b0456e3ccf 100755 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -170,6 +170,11 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector<LLVolumeFace>& fa return LLModel::BAD_ELEMENT; } + if (!pos_source) + { + llwarns << "Unable to process mesh without position data; invalid model; invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } domPRef p = tri->getP(); domListOfUInts& idx = p->getValue(); @@ -179,19 +184,22 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector<LLVolumeFace>& fa domListOfFloats& tc = tc_source ? tc_source->getFloat_array()->getValue() : dummy ; domListOfFloats& n = norm_source ? norm_source->getFloat_array()->getValue() : dummy ; - if (pos_source) - { - face.mExtents[0].set(v[0], v[1], v[2]); - face.mExtents[1].set(v[0], v[1], v[2]); - } - LLVolumeFace::VertexMapData::PointMap point_map; - + U32 index_count = idx.getCount(); U32 vertex_count = pos_source ? v.getCount() : 0; U32 tc_count = tc_source ? tc.getCount() : 0; U32 norm_count = norm_source ? n.getCount() : 0; + if (vertex_count == 0) + { + llwarns << "Unable to process mesh with empty position array; invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } + + face.mExtents[0].set(v[0], v[1], v[2]); + face.mExtents[1].set(v[0], v[1], v[2]); + for (U32 i = 0; i < index_count; i += idx_stride) { LLVolumeFace::VertexData cv; |