1 files changed, 23 insertions, 7 deletions

diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index 4894d63e13..d041baea90 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -254,11 +254,17 @@ S32 LLDrawable::findReferences(LLDrawable *drawablep)
 	return count;
 }
 
+static LLFastTimer::DeclareTimer FTM_ALLOCATE_FACE("Allocate Face", true);
+
 LLFace*	LLDrawable::addFace(LLFacePool *poolp, LLViewerTexture *texturep)
 {
-	LLMemType mt(LLMemType::MTYPE_DRAWABLE);
 	
-	LLFace *face = new LLFace(this, mVObjp);
+	LLFace *face;
+	{
+		LLFastTimer t(FTM_ALLOCATE_FACE);
+		face = new LLFace(this, mVObjp);
+	}
+
 	if (!face) llerrs << "Allocating new Face: " << mFaces.size() << llendl;
 	
 	if (face)
@@ -280,10 +286,12 @@ LLFace*	LLDrawable::addFace(LLFacePool *poolp, LLViewerTexture *texturep)
 
 LLFace*	LLDrawable::addFace(const LLTextureEntry *te, LLViewerTexture *texturep)
 {
-	LLMemType mt(LLMemType::MTYPE_DRAWABLE);
-	
 	LLFace *face;
-	face = new LLFace(this, mVObjp);
+
+	{
+		LLFastTimer t(FTM_ALLOCATE_FACE);
+		face = new LLFace(this, mVObjp);
+	}
 
 	face->setTEOffset(mFaces.size());
 	face->setTexture(texturep);
@@ -516,6 +524,7 @@ F32 LLDrawable::updateXform(BOOL undamped)
 		dist_squared = dist_vec_squared(new_pos, target_pos);
 
 		LLQuaternion new_rot = nlerp(lerp_amt, old_rot, target_rot);
+		// FIXME: This can be negative! It is be possible for some rots to 'cancel out' pos or size changes.
 		dist_squared += (1.f - dot(new_rot, target_rot)) * 10.f;
 
 		LLVector3 new_scale = lerp(old_scale, target_scale, lerp_amt);
@@ -539,6 +548,15 @@ F32 LLDrawable::updateXform(BOOL undamped)
 			}
 		}
 	}
+	else
+	{
+		// The following fixes MAINT-1742 but breaks vehicles similar to MAINT-2275
+		// dist_squared = dist_vec_squared(old_pos, target_pos);
+
+		// The following fixes MAINT-2247 but causes MAINT-2275
+		//dist_squared += (1.f - dot(old_rot, target_rot)) * 10.f;
+		//dist_squared += dist_vec_squared(old_scale, target_scale);
+	}
 
 	LLVector3 vec = mCurrentScale-target_scale;
 	
@@ -764,8 +782,6 @@ void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
 
 void LLDrawable::updateTexture()
 {
-	LLMemType mt(LLMemType::MTYPE_DRAWABLE);
-	
 	if (isDead())
 	{
 		llwarns << "Dead drawable updating texture!" << llendl;