merged in recent changes

1 files changed, 20 insertions, 1 deletions

diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 100f1d580b..19cec55837 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -290,6 +290,22 @@ bool ll_is_degenerate(const LLVector4a& a, const LLVector4a& b, const LLVector4a
 
 bool validate_face(const LLVolumeFace& face)
 {
+
+	for (U32 v = 0; v < face.mNumVertices; v++)
+	{
+		if(face.mPositions && !face.mPositions[v].isFinite3())
+		{
+			llwarns << "NaN position data in face found!" << llendl;
+			return false;
+		}
+
+		if(face.mNormals && !face.mNormals[v].isFinite3())
+		{
+			llwarns << "NaN normal data in face found!" << llendl;
+			return false;
+		}
+	}
+
 	for (U32 i = 0; i < face.mNumIndices; ++i)
 	{
 		if (face.mIndices[i] >= face.mNumVertices)
@@ -305,8 +321,10 @@ bool validate_face(const LLVolumeFace& face)
 		return false;
 	}
 
+
 	/*const LLVector4a scale(0.5f);
 
+
 	for (U32 i = 0; i < face.mNumIndices; i+=3)
 	{
 		U16 idx1 = face.mIndices[i];
@@ -323,7 +341,6 @@ bool validate_face(const LLVolumeFace& face)
 			return false;
 		}
 	}*/
-
 	return true;
 }
 
@@ -5921,3 +5938,5 @@ void LLFloaterModelPreview::setPermissonsErrorStatus(U32 status, const std::stri
 
 	LLNotificationsUtil::add("MeshUploadPermError");
 }
+
+