SH-2008 Fix for crash when generating normals on objects with no texture coordinates.

1 files changed, 14 insertions, 1 deletions

diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp
index 986bde0581..ba7abd4c79 100644
--- a/indra/llprimitive/llmodel.cpp
+++ b/indra/llprimitive/llmodel.cpp
@@ -1209,10 +1209,23 @@ void LLModel::generateNormals(F32 angle_cutoff)
 			LLVolumeFace::VertexData v;
 			new_face.mPositions[i] = vol_face.mPositions[idx];
 			new_face.mNormals[i].clear();
-			new_face.mTexCoords[i] = vol_face.mTexCoords[idx];
 			new_face.mIndices[i] = i;
 		}
 
+		if (vol_face.mTexCoords)
+		{
+			for (U32 i = 0; i < vol_face.mNumIndices; i++)
+			{
+				U32 idx = vol_face.mIndices[i];
+				new_face.mTexCoords[i] = vol_face.mTexCoords[idx];
+			}
+		}
+		else
+		{
+			ll_aligned_free_16(new_face.mTexCoords);
+			new_face.mTexCoords = NULL;
+		}
+
 		//generate normals for new face
 		for (U32 i = 0; i < new_face.mNumIndices; i += 3)
 		{ //for each triangle