2 files changed, 27 insertions, 9 deletions

diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 088c9e6546..8be56009aa 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -1989,13 +1989,13 @@ void LLModelPreview::loadModel(std::string filename, S32 lod)
 
 	if (lod == 3 && !mGroup.empty())
 	{
-		for (std::map<LLModel*, U32>::iterator iter = mGroup.begin(); iter != mGroup.end(); ++iter)
+		for (std::map<LLPointer<LLModel>, U32>::iterator iter = mGroup.begin(); iter != mGroup.end(); ++iter)
 		{
 			glodDeleteGroup(iter->second);
 			stop_gloderror();
 		}
 
-		for (std::map<LLModel*, U32>::iterator iter = mObject.begin(); iter != mObject.end(); ++iter)
+		for (std::map<LLPointer<LLModel>, U32>::iterator iter = mObject.begin(); iter != mObject.end(); ++iter)
 		{
 			glodDeleteObject(iter->second);
 			stop_gloderror();
@@ -2055,6 +2055,11 @@ void LLModelPreview::loadModelCallback(S32 lod)
 	mScene[lod] = mModelLoader->mScene;
 	mVertexBuffer[lod].clear();
 	
+	if (lod == LLModel::LOD_PHYSICS)
+	{
+		mPhysicsMesh.clear();
+	}
+
 	setPreviewLOD(lod);
 	
 	
@@ -2338,6 +2343,11 @@ void LLModelPreview::genLODs(S32 which_lod)
 		return;
 	}
 
+	if (which_lod == LLModel::LOD_PHYSICS)
+	{ //clear physics mesh map
+		mPhysicsMesh.clear();
+	}
+
 	LLVertexBuffer::unbind();
 
 	stop_gloderror();
@@ -2365,6 +2375,14 @@ void LLModelPreview::genLODs(S32 which_lod)
 
 	U32 type_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;
 
+	if (mGroup[mBaseModel[0]] == 0)
+	{ //clear LOD maps
+		mGroup.clear();
+		mObject.clear();
+		mPercentage.clear();
+		mPatch.clear();
+	}
+
 	for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)
 	{ //build GLOD objects for each model in base model list
 		LLModel* mdl = *iter;
@@ -3118,7 +3136,7 @@ BOOL LLModelPreview::render()
 						{
 							LLMutexLock(decomp->mMutex);
 												
-							std::map<LLModel*, std::vector<LLPointer<LLVertexBuffer> > >::iterator iter = 
+							std::map<LLPointer<LLModel>, std::vector<LLPointer<LLVertexBuffer> > >::iterator iter = 
 								mPhysicsMesh.find(model);
 							if (iter != mPhysicsMesh.end())
 							{
@@ -3406,7 +3424,7 @@ void LLFloaterModelPreview::onDecompose(void* user_data)
 void LLFloaterModelPreview::onModelDecompositionComplete(LLModel* model, std::vector<LLPointer<LLVertexBuffer> >& physics_mesh)
 {
 	if (sInstance && sInstance->mModelPreview)
-	{
+	{ 
 		sInstance->mModelPreview->mPhysicsMesh[model] = physics_mesh;
 
 		sInstance->mModelPreview->mDirty = true;
diff --git a/indra/newview/llfloatermodelpreview.h b/indra/newview/llfloatermodelpreview.h
index 148687aecd..d8f06295ac 100755
--- a/indra/newview/llfloatermodelpreview.h
+++ b/indra/newview/llfloatermodelpreview.h
@@ -168,12 +168,12 @@ class LLModelPreview : public LLViewerDynamicTexture, public LLMutex
 	LLModelLoader::model_list mModel[LLModel::NUM_LODS];
 	LLModelLoader::model_list mBaseModel;
 
-	std::map<LLModel*, U32> mGroup;
-	std::map<LLModel*, U32> mObject;
-	std::map<LLModel*, std::vector<U32> > mPatch;
+	std::map<LLPointer<LLModel>, U32> mGroup;
+	std::map<LLPointer<LLModel>, U32> mObject;
+	std::map<LLPointer<LLModel>, std::vector<U32> > mPatch;
+	std::map<LLPointer<LLModel>, F32> mPercentage;
 
-	std::map<LLModel*, F32> mPercentage;
-	std::map<LLModel*, std::vector<LLPointer<LLVertexBuffer> > > mPhysicsMesh;
+	std::map<LLPointer<LLModel>, std::vector<LLPointer<LLVertexBuffer> > > mPhysicsMesh;
 
 	LLMeshUploadThread::instance_list mUploadData;
 	std::set<LLPointer<LLViewerFetchedTexture> > mTextureSet;