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-rwxr-xr-xindra/llprimitive/llmodel.cpp19
-rw-r--r--indra/llprimitive/lltextureentry.cpp2
2 files changed, 20 insertions, 1 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);
diff --git a/indra/llprimitive/lltextureentry.cpp b/indra/llprimitive/lltextureentry.cpp
index 3c1d031ff5..861bde5c89 100644
--- a/indra/llprimitive/lltextureentry.cpp
+++ b/indra/llprimitive/lltextureentry.cpp
@@ -403,7 +403,7 @@ S32 LLTextureEntry::setOffsetT(F32 t)
S32 LLTextureEntry::setRotation(F32 theta)
{
- if (mRotation != theta)
+ if (mRotation != theta && llfinite(theta))
{
mRotation = theta;
return TEM_CHANGE_TEXTURE;