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-rwxr-xr-xindra/llprimitive/llmodel.cpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp
index 1869e1dd47..3d03209eaf 100755
--- a/indra/llprimitive/llmodel.cpp
+++ b/indra/llprimitive/llmodel.cpp
@@ -950,6 +950,25 @@ void LLModel::normalizeVolumeFaces()
LLVector4a size;
size.setSub(max, min);
+ // Prevent division by zero.
+ F32 x = size[0];
+ F32 y = size[1];
+ F32 z = size[2];
+ F32 w = size[3];
+ if (fabs(x)<F_APPROXIMATELY_ZERO)
+ {
+ x = 1.0;
+ }
+ if (fabs(y)<F_APPROXIMATELY_ZERO)
+ {
+ y = 1.0;
+ }
+ if (fabs(z)<F_APPROXIMATELY_ZERO)
+ {
+ z = 1.0;
+ }
+ size.set(x,y,z,w);
+
// Compute scale as reciprocal of size
LLVector4a scale;
scale.splat(1.f);