SH-2309 Model preview floater LoD tab updated.

- Combo boxes for LoD source added for each level
- New option "Use LoD above" added for copying the model from higher LoDs.
- Various LoD settings and related controls removed.

3 files changed, 780 insertions, 416 deletions

diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 2d18c2bb24..e687b1954c 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -396,21 +396,23 @@ BOOL LLFloaterModelPreview::postBuild()
 		return FALSE;
 	}
 
-	childSetAction("lod_browse", onBrowseLOD, this);
-
 	childSetCommitCallback("cancel_btn", onCancel, this);
 	childSetCommitCallback("crease_angle", onGenerateNormalsCommit, this);
-	childSetCommitCallback("generate_normals", onGenerateNormalsCommit, this);
+	getChild<LLCheckBoxCtrl>("gen_normals")->setCommitCallback(boost::bind(&LLFloaterModelPreview::toggleGenarateNormals, this));
 
 	childSetCommitCallback("lod_generate", onAutoFillCommit, this);
 
-	childSetCommitCallback("lod_mode", onLODParamCommit, this);
-	childSetCommitCallback("lod_error_threshold", onLODParamCommit, this);
-	childSetCommitCallback("lod_triangle_limit", onLODParamCommitTriangleLimit, this);
-	childSetCommitCallback("build_operator", onLODParamCommit, this);
-	childSetCommitCallback("queue_mode", onLODParamCommit, this);
-	childSetCommitCallback("border_mode", onLODParamCommit, this);
-	childSetCommitCallback("share_tolerance", onLODParamCommit, this);
+	for (S32 lod = 0; lod <= LLModel::LOD_HIGH; ++lod)
+	{
+		LLComboBox* lod_source_combo = getChild<LLComboBox>("lod_source_" + lod_name[lod]);
+		lod_source_combo->setCommitCallback(boost::bind(&LLFloaterModelPreview::onLoDSourceCommit, this, lod));
+		lod_source_combo->setCurrentByIndex(mLODMode[lod]);
+
+		getChild<LLButton>("lod_browse_" + lod_name[lod])->setCommitCallback(boost::bind(&LLFloaterModelPreview::onBrowseLOD, this, lod));
+		getChild<LLComboBox>("lod_mode_" + lod_name[lod])->setCommitCallback(boost::bind(&LLFloaterModelPreview::onLODParamCommit, this, lod, false));
+		getChild<LLSpinCtrl>("lod_error_threshold_" + lod_name[lod])->setCommitCallback(boost::bind(&LLFloaterModelPreview::onLODParamCommit, this, lod, false));
+		getChild<LLSpinCtrl>("lod_triangle_limit_" + lod_name[lod])->setCommitCallback(boost::bind(&LLFloaterModelPreview::onLODParamCommit, this, lod, true));
+	}
 
 	childSetCommitCallback("upload_skin", boost::bind(&LLFloaterModelPreview::toggleCalculateButton, this), NULL);
 	childSetCommitCallback("upload_joints", boost::bind(&LLFloaterModelPreview::toggleCalculateButton, this), NULL);
@@ -431,10 +433,6 @@ BOOL LLFloaterModelPreview::postBuild()
 	childSetCommitCallback("import_scale", onImportScaleCommit, this);
 	childSetCommitCallback("pelvis_offset", onPelvisOffsetCommit, this);
 
-	childSetCommitCallback("lod_file_or_limit", refresh, this);
-	//childSetCommitCallback("physics_optimize", refresh, this);
-	//childSetCommitCallback("physics_use_hull", refresh, this);
-
 	getChild<LLCheckBoxCtrl>("show_edges")->setCommitCallback(boost::bind(&LLFloaterModelPreview::onViewOptionChecked, this, _1));
 	getChild<LLCheckBoxCtrl>("show_physics")->setCommitCallback(boost::bind(&LLFloaterModelPreview::onViewOptionChecked, this, _1));
 	getChild<LLCheckBoxCtrl>("show_textures")->setCommitCallback(boost::bind(&LLFloaterModelPreview::onViewOptionChecked, this, _1));
@@ -694,6 +692,12 @@ void LLFloaterModelPreview::onGenerateNormalsCommit(LLUICtrl* ctrl, void* userda
 	fp->mModelPreview->generateNormals();
 }
 
+void LLFloaterModelPreview::toggleGenarateNormals()
+{
+	bool enabled = childGetValue("gen_normals").asBoolean();
+	childSetEnabled("crease_angle", enabled);
+}
+
 //static
 void LLFloaterModelPreview::onExplodeCommit(LLUICtrl* ctrl, void* userdata)
 {
@@ -710,19 +714,9 @@ void LLFloaterModelPreview::onAutoFillCommit(LLUICtrl* ctrl, void* userdata)
 	fp->mModelPreview->genLODs();
 }
 
-//static
-void LLFloaterModelPreview::onLODParamCommit(LLUICtrl* ctrl, void* userdata)
-{
-	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
-
-	fp->mModelPreview->onLODParamCommit(false);
-}
-
-//static
-void LLFloaterModelPreview::onLODParamCommitTriangleLimit(LLUICtrl* ctrl, void* userdata)
+void LLFloaterModelPreview::onLODParamCommit(S32 lod, bool enforce_tri_limit)
 {
-	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
-	fp->mModelPreview->onLODParamCommit(true);
+	mModelPreview->onLODParamCommit(lod, enforce_tri_limit);
 }
 
 
@@ -3484,7 +3478,7 @@ void LLModelPreview::loadModel(std::string filename, S32 lod, bool force_disable
 	
 	if (lod == mPreviewLOD)
 	{
-		mFMP->childSetText("lod_file", mLODFile[mPreviewLOD]);
+		mFMP->childSetText("lod_file_" + lod_name[lod], mLODFile[lod]);
 	}
 	else if (lod == LLModel::LOD_PHYSICS)
 	{
@@ -3782,21 +3776,21 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
 
 	U32 lod_mode = 0;
 
-	LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode");
+	LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode_" + lod_name[which_lod]);
 	if (iface)
 	{
 		lod_mode = iface->getFirstSelectedIndex();
 	}
 	mRequestedLoDMode[mPreviewLOD] = lod_mode;
 
-	F32 lod_error_threshold = mFMP->childGetValue("lod_error_threshold").asReal();
+	F32 lod_error_threshold = mFMP->childGetValue("lod_error_threshold_" + lod_name[which_lod]).asReal();
 
 	if (lod_mode == 0)
 	{
 		lod_mode = GLOD_TRIANGLE_BUDGET;
 		if (which_lod != -1)
 		{
-			limit = mFMP->childGetValue("lod_triangle_limit").asInteger();
+			limit = mFMP->childGetValue("lod_triangle_limit_" + lod_name[which_lod]).asInteger();
 		}
 	}
 	else
@@ -3804,89 +3798,7 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
 		lod_mode = GLOD_ERROR_THRESHOLD;
 	}
 
-	U32 build_operator = 0;
-
-	iface = mFMP->childGetSelectionInterface("build_operator");
-	if (iface)
-	{
-		build_operator = iface->getFirstSelectedIndex();
-	}
-	mRequestedBuildOperator[mPreviewLOD] = build_operator; 
-
-	if (build_operator == 0)
-	{
-		build_operator = GLOD_OPERATOR_EDGE_COLLAPSE;
-	}
-	else
-	{
-		build_operator = GLOD_OPERATOR_HALF_EDGE_COLLAPSE;
-	}
-
-	U32 queue_mode=0;
-	iface = mFMP->childGetSelectionInterface("queue_mode");
-	if (iface)
-	{
-		queue_mode = iface->getFirstSelectedIndex();
-	}
-	mRequestedQueueMode[mPreviewLOD] = queue_mode;
-
-	if (queue_mode == 0)
-	{
-		queue_mode = GLOD_QUEUE_GREEDY;
-	}
-	else if (queue_mode == 1)
-	{
-		queue_mode = GLOD_QUEUE_LAZY;
-	}
-	else
-	{
-		queue_mode = GLOD_QUEUE_INDEPENDENT;
-	}
-
-	U32 border_mode = 0;
-
-	iface = mFMP->childGetSelectionInterface("border_mode");
-	if (iface)
-	{
-		border_mode = iface->getFirstSelectedIndex();
-	}
-	mRequestedBorderMode[mPreviewLOD] = border_mode;
-
-	if (border_mode == 0)
-	{
-		border_mode = GLOD_BORDER_UNLOCK;
-	}
-	else
-	{
-		border_mode = GLOD_BORDER_LOCK;
-	}
-
 	bool object_dirty = false;
-	if (border_mode != mBuildBorderMode)
-	{
-		mBuildBorderMode = border_mode;
-		object_dirty = true;
-	}
-
-	if (queue_mode != mBuildQueueMode)
-	{
-		mBuildQueueMode = queue_mode;
-		object_dirty = true;
-	}
-
-	if (build_operator != mBuildOperator)
-	{
-		mBuildOperator = build_operator;
-		object_dirty = true;
-	}
-
-	F32 share_tolerance = mFMP->childGetValue("share_tolerance").asReal();
-	if (share_tolerance != mBuildShareTolerance)
-	{
-		mBuildShareTolerance = share_tolerance;
-		object_dirty = true;
-	}
-	mRequestedShareTolerance[mPreviewLOD] = share_tolerance;
 
 	if (mGroup == 0)
 	{
@@ -3936,18 +3848,6 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
 				stop_gloderror();
 			}
 
-			glodObjectParameteri(mObject[mdl], GLOD_BUILD_OPERATOR, build_operator);
-			stop_gloderror();
-
-			glodObjectParameteri(mObject[mdl], GLOD_BUILD_QUEUE_MODE, queue_mode);
-			stop_gloderror();
-
-			glodObjectParameteri(mObject[mdl], GLOD_BUILD_BORDER_MODE, border_mode);
-			stop_gloderror();
-
-			glodObjectParameterf(mObject[mdl], GLOD_BUILD_SHARE_TOLERANCE, share_tolerance);
-			stop_gloderror();
-
 			glodBuildObject(mObject[mdl]);
 			stop_gloderror();
 		}
@@ -4489,147 +4389,140 @@ void LLModelPreview::updateStatusMessages()
 		}
 	}
 
+	if (mFMP->childGetValue("physics_lod_combo").asString() == "From file")
+	{
+		mFMP->childEnable("physics_file");
+		mFMP->childEnable("physics_browse");
+	}
+	else
+	{
+		mFMP->childDisable("physics_file");
+		mFMP->childDisable("physics_browse");
+	}
+
+	LLSpinCtrl* crease = mFMP->getChild<LLSpinCtrl>("crease_angle");
+	
+	if (mRequestedCreaseAngle[mPreviewLOD] == -1.f)
+	{
+		mFMP->childSetColor("crease_label", LLColor4::grey);
+		crease->forceSetValue(75.f);
+	}
+	else
+	{
+		mFMP->childSetColor("crease_label", LLColor4::white);
+		crease->forceSetValue(mRequestedCreaseAngle[mPreviewLOD]);
+	}
+
+	mModelUpdatedSignal(true);
+
+}
+
+void LLModelPreview::updateLodControls(S32 lod)
+{
 	const char* lod_controls[] =
 	{
-		"lod_mode",
-		"lod_triangle_limit",
-		"lod_error_tolerance",
-		"build_operator_text",
-		"queue_mode_text",
-		"border_mode_text",
-		"share_tolerance_text",
-		"build_operator",
-		"queue_mode",
-		"border_mode",
-		"share_tolerance"
+		"lod_mode_",
+		"lod_triangle_limit_",
 	};
 	const U32 num_lod_controls = sizeof(lod_controls)/sizeof(char*);
 
 	const char* file_controls[] =
 	{
-		"lod_browse",
-		"lod_file"
+		"lod_browse_",
+		"lod_file_",
 	};
 	const U32 num_file_controls = sizeof(file_controls)/sizeof(char*);
 
-	if (fmp)
+	LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;
+	if (!fmp) return;
+
+	LLComboBox* lod_combo = mFMP->findChild<LLComboBox>("lod_source_" + lod_name[lod]);
+	if (!lod_combo) return;
+
+	S32 lod_mode = lod_combo->getCurrentIndex();
+	if (lod_mode == 0) // LoD from file
 	{
-		//enable/disable controls based on radio groups
-		if (mFMP->childGetValue("lod_from_file").asBoolean())
-		{ 
-			fmp->mLODMode[mPreviewLOD] = 0;
-			for (U32 i = 0; i < num_file_controls; ++i)
-			{
-				mFMP->childEnable(file_controls[i]);
-			}
+		fmp->mLODMode[lod] = 0;
+		for (U32 i = 0; i < num_file_controls; ++i)
+		{
+			mFMP->childShow(file_controls[i] + lod_name[lod]);
+		}
 
-			for (U32 i = 0; i < num_lod_controls; ++i)
-			{
-				mFMP->childDisable(lod_controls[i]);
-			}
+		for (U32 i = 0; i < num_lod_controls; ++i)
+		{
+			mFMP->childHide(lod_controls[i] + lod_name[lod]);
+		}
+	}
+	else if (lod_mode == 2) // use LoD above
+	{
+		fmp->mLODMode[lod] = 2;
+		for (U32 i = 0; i < num_file_controls; ++i)
+		{
+			mFMP->childHide(file_controls[i] + lod_name[lod]);
 		}
-		else if (mFMP->childGetValue("lod_none").asBoolean())
+
+		for (U32 i = 0; i < num_lod_controls; ++i)
 		{
-			fmp->mLODMode[mPreviewLOD] = 2;
-			for (U32 i = 0; i < num_file_controls; ++i)
-			{
-				mFMP->childDisable(file_controls[i]);
-			}
+			mFMP->childHide(lod_controls[i] + lod_name[lod]);
+		}
 
-			for (U32 i = 0; i < num_lod_controls; ++i)
-			{
-				mFMP->childDisable(lod_controls[i]);
-			}
+		if (lod < LLModel::LOD_HIGH)
+		{
+			mModel[lod] = mModel[lod + 1];
+			mScene[lod] = mScene[lod + 1];
+			mVertexBuffer[lod].clear();
 
-			if (!mModel[mPreviewLOD].empty())
+			// Also update lower LoD
+			if (lod > LLModel::LOD_IMPOSTOR)
 			{
-				mModel[mPreviewLOD].clear();
-				mScene[mPreviewLOD].clear();
-				mVertexBuffer[mPreviewLOD].clear();
-
-				//this can cause phasing issues with the UI, so reenter this function and return
-				updateStatusMessages();
-				return;
+				updateLodControls(lod - 1);
 			}
 		}
-		else
-		{	// auto generate, also the default case for wizard which has no radio selection
-			fmp->mLODMode[mPreviewLOD] = 1;
+	}
+	else // auto generate, the default case for all LoDs except High
+	{
+		fmp->mLODMode[lod] = 1;
 
-			//don't actually regenerate lod when refreshing UI
-			mLODFrozen = true;
+		//don't actually regenerate lod when refreshing UI
+		mLODFrozen = true;
 
-			for (U32 i = 0; i < num_file_controls; ++i)
-			{
-				mFMP->childDisable(file_controls[i]);
-			}
+		for (U32 i = 0; i < num_file_controls; ++i)
+		{
+			mFMP->childHide(file_controls[i] + lod_name[lod]);
+		}
 
-			for (U32 i = 0; i < num_lod_controls; ++i)
-			{
-				mFMP->childEnable(lod_controls[i]);
-			}
+		for (U32 i = 0; i < num_lod_controls; ++i)
+		{
+			mFMP->childShow(lod_controls[i] + lod_name[lod]);
+		}
 
-			//if (threshold)
-			{	
-				LLSpinCtrl* threshold = mFMP->getChild<LLSpinCtrl>("lod_error_threshold");
-				LLSpinCtrl* limit = mFMP->getChild<LLSpinCtrl>("lod_triangle_limit");
 
-				limit->setMaxValue(mMaxTriangleLimit);
-				limit->forceSetValue(mRequestedTriangleCount[mPreviewLOD]);
+		LLSpinCtrl* threshold = mFMP->getChild<LLSpinCtrl>("lod_error_threshold_" + lod_name[lod]);
+		LLSpinCtrl* limit = mFMP->getChild<LLSpinCtrl>("lod_triangle_limit_" + lod_name[lod]);
 
-				threshold->forceSetValue(mRequestedErrorThreshold[mPreviewLOD]);
+		limit->setMaxValue(mMaxTriangleLimit);
+		limit->forceSetValue(mRequestedTriangleCount[lod]);
 
-				mFMP->getChild<LLComboBox>("lod_mode")->selectNthItem(mRequestedLoDMode[mPreviewLOD]);
-				mFMP->getChild<LLComboBox>("build_operator")->selectNthItem(mRequestedBuildOperator[mPreviewLOD]);
-				mFMP->getChild<LLComboBox>("queue_mode")->selectNthItem(mRequestedQueueMode[mPreviewLOD]);
-				mFMP->getChild<LLComboBox>("border_mode")->selectNthItem(mRequestedBorderMode[mPreviewLOD]);
-				mFMP->getChild<LLSpinCtrl>("share_tolerance")->setValue(mRequestedShareTolerance[mPreviewLOD]);
+		threshold->forceSetValue(mRequestedErrorThreshold[lod]);
 
-				if (mRequestedLoDMode[mPreviewLOD] == 0)
-				{
-					limit->setVisible(true);
-					threshold->setVisible(false);
+		mFMP->getChild<LLComboBox>("lod_mode_" + lod_name[lod])->selectNthItem(mRequestedLoDMode[lod]);
 
-					limit->setMaxValue(mMaxTriangleLimit);
-					limit->setIncrement(mMaxTriangleLimit/32);
-				}
-				else
-				{
-					limit->setVisible(false);
-					threshold->setVisible(true);
-				}
-			}
+		if (mRequestedLoDMode[lod] == 0)
+		{
+			limit->setVisible(true);
+			threshold->setVisible(false);
 
-			mLODFrozen = false;
+			limit->setMaxValue(mMaxTriangleLimit);
+			limit->setIncrement(mMaxTriangleLimit/32);
+		}
+		else
+		{
+			limit->setVisible(false);
+			threshold->setVisible(true);
 		}
-	}
-
-	if (mFMP->childGetValue("physics_lod_combo").asString() == "From file")
-	{
-		mFMP->childEnable("physics_file");
-		mFMP->childEnable("physics_browse");
-	}
-	else
-	{
-		mFMP->childDisable("physics_file");
-		mFMP->childDisable("physics_browse");
-	}
 
-	LLSpinCtrl* crease = mFMP->getChild<LLSpinCtrl>("crease_angle");
-	
-	if (mRequestedCreaseAngle[mPreviewLOD] == -1.f)
-	{
-		mFMP->childSetColor("crease_label", LLColor4::grey);
-		crease->forceSetValue(75.f);
-	}
-	else
-	{
-		mFMP->childSetColor("crease_label", LLColor4::white);
-		crease->forceSetValue(mRequestedCreaseAngle[mPreviewLOD]);
+		mLODFrozen = false;
 	}
-
-	mModelUpdatedSignal(true);
-
 }
 
 void LLModelPreview::setPreviewTarget(F32 distance)
@@ -5484,8 +5377,7 @@ void LLModelPreview::setPreviewLOD(S32 lod)
 
 		LLComboBox* combo_box = mFMP->getChild<LLComboBox>("preview_lod_combo");
 		combo_box->setCurrentByIndex((NUM_LOD-1)-mPreviewLOD); // combo box list of lods is in reverse order
-		mFMP->childSetTextArg("lod_table_footer", "[DETAIL]", mFMP->getString(lod_name[mPreviewLOD]));
-		mFMP->childSetText("lod_file", mLODFile[mPreviewLOD]);
+		mFMP->childSetText("lod_file_" + lod_name[mPreviewLOD], mLODFile[mPreviewLOD]);
 
 		// the wizard has three lod drop downs
 		LLComboBox* combo_box2 = mFMP->getChild<LLComboBox>("preview_lod_combo2");
@@ -5506,25 +5398,16 @@ void LLModelPreview::setPreviewLOD(S32 lod)
 			mFMP->childSetColor(lod_triangles_name[i], color);
 			mFMP->childSetColor(lod_vertices_name[i], color);
 		}
-
-		LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;
-		if (fmp)
-		{
-			LLRadioGroup* radio = fmp->getChild<LLRadioGroup>("lod_file_or_limit");
-			radio->selectNthItem(fmp->mLODMode[mPreviewLOD]);
-		}
 	}
 	refresh();
 	updateStatusMessages();
 }
 
-//static
-void LLFloaterModelPreview::onBrowseLOD(void* data)
+void LLFloaterModelPreview::onBrowseLOD(S32 lod)
 {
 	assert_main_thread();
 
-	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) data;
-	mp->loadModel(mp->mModelPreview->mPreviewLOD);
+	loadModel(lod);
 }
 
 //static
@@ -5566,8 +5449,7 @@ void LLFloaterModelPreview::onUpload(void* user_data)
 }
 
 
-//static
-void LLFloaterModelPreview::refresh(LLUICtrl* ctrl, void* user_data)
+void LLFloaterModelPreview::refresh()
 {
 	sInstance->toggleCalculateButton(true);
 	sInstance->mModelPreview->mDirty = true;
@@ -5588,11 +5470,12 @@ void LLModelPreview::textureLoadedCallback( BOOL success, LLViewerFetchedTexture
 	}
 }
 
-void LLModelPreview::onLODParamCommit(bool enforce_tri_limit)
+void LLModelPreview::onLODParamCommit(S32 lod, bool enforce_tri_limit)
 {
 	if (!mLODFrozen)
 	{
-		genLODs(mPreviewLOD, 3, enforce_tri_limit);
+		genLODs(lod, 3, enforce_tri_limit);
+		updateLodControls(lod);
 		updateStatusMessages();
 		refresh();
 	}
@@ -5655,6 +5538,12 @@ void LLFloaterModelPreview::toggleCalculateButton(bool visible)
 	}
 }
 
+void LLFloaterModelPreview::onLoDSourceCommit(S32 lod)
+{
+	mModelPreview->updateLodControls(lod);
+	refresh();
+}
+
 void LLFloaterModelPreview::resetDisplayOptions()
 {
 	std::map<std::string,bool>::iterator option_it = mModelPreview->mViewOption.begin();
diff --git a/indra/newview/llfloatermodelpreview.h b/indra/newview/llfloatermodelpreview.h
index f93d3b9482..d93940efc2 100644
--- a/indra/newview/llfloatermodelpreview.h
+++ b/indra/newview/llfloatermodelpreview.h
@@ -176,13 +176,13 @@ public:
 
 	void setDetails(F32 x, F32 y, F32 z, F32 streaming_cost, F32 physics_cost);
 	
-	static void onBrowseLOD(void* data);
+	void onBrowseLOD(S32 lod);
 	
 	static void onReset(void* data);
 
 	static void onUpload(void* data);
 	
-	static void refresh(LLUICtrl* ctrl, void* data);
+	void refresh();
 	
 	void			loadModel(S32 lod);
 	void 			loadModel(S32 lod, const std::string& file_name, bool force_disable_slm = false);
@@ -222,10 +222,12 @@ protected:
 	
 	static void		onGenerateNormalsCommit(LLUICtrl*,void*);
 	
+	void toggleGenarateNormals();
+
 	static void		onAutoFillCommit(LLUICtrl*,void*);
-	static void		onLODParamCommit(LLUICtrl*,void*);
-	static void		onLODParamCommitTriangleLimit(LLUICtrl*,void*);
 	
+	void onLODParamCommit(S32 lod, bool enforce_tri_limit);
+
 	static void		onExplodeCommit(LLUICtrl*, void*);
 	
 	static void onPhysicsParamCommit(LLUICtrl* ctrl, void* userdata);
@@ -264,7 +266,7 @@ protected:
 	//store which lod mode each LOD is using
 	// 0 - load from file
 	// 1 - auto generate
-	// 2 - None
+	// 2 - use LoD above
 	S32 mLODMode[4];
 
 	LLMutex* mStatusLock;
@@ -275,6 +277,8 @@ private:
 	void onClickCalculateBtn();
 	void toggleCalculateButton();
 
+	void onLoDSourceCommit(S32 lod);
+
 	// Toggles between "Calculate weights & fee" and "Upload" buttons.
 	void toggleCalculateButton(bool visible);
 
@@ -335,8 +339,9 @@ public:
 	void saveUploadData(const std::string& filename, bool save_skinweights, bool save_joint_poisitions);
 	void clearIncompatible(S32 lod);
 	void updateStatusMessages();
+	void updateLodControls(S32 lod);
 	void clearGLODGroup();
-	void onLODParamCommit(bool enforce_tri_limit);
+	void onLODParamCommit(S32 lod, bool enforce_tri_limit);
 
 	const bool getModelPivot( void ) const { return mHasPivot; }
 	void setHasPivot( bool val ) { mHasPivot = val; }
diff --git a/indra/newview/skins/default/xui/en/floater_model_preview.xml b/indra/newview/skins/default/xui/en/floater_model_preview.xml
index 39ef844824..21feb9908e 100755
--- a/indra/newview/skins/default/xui/en/floater_model_preview.xml
+++ b/indra/newview/skins/default/xui/en/floater_model_preview.xml
@@ -100,166 +100,636 @@
       name="import_tab"
       tab_position="top">
       <!-- LOD PANEL -->
-    <panel
-      border="true"
-      label="Level of Detail"
-      name="lod_panel"
-      help_topic="upload_model_lod">
-     LOD TABLE
-    <panel
-      follows="top|left"
-      name="lod table"
-      left="0"
-      top="0"
-      width="300"
-      height="163"
-      visible="true"
-      border="true"
-      bevel_style="none" bg_alpha_color="0 0 0 0" bg_opaque_color="0 0 0 0.3">
-    
-    <text left="10" width="240" bottom="20" height="15" follows="left|top" name="lod_table_header">
-      Select Level of Detail:
-    </text>
-    
-    <text valign="center" halign="center" bg_visible="true" bottom_delta="16" left="75" name="triangles" width="65" height="18" follows="left|top" value="Triangles"/>
-    <text valign="center" halign="center" bg_visible="true" left_pad="0" width="65" name="vertices" height="18" follows="left|top" value="Vertices"/>
-    <text valign="center" halign="center" left_pad="0" name="status" width="65" bg_visible="true" height="18" follows="left|top" value="Status"/>
-    
-    <text valign="center" halign="center" bg_visible="true" name="high_label" left="10" top_pad="0" width="65" height="18" follows="left|top" value="High"/>
-    <text valign="center" halign="center" bg_visible="true" name="high_triangles" left_pad="0" width="65" height="18" follows="left|top" value="0"/>
-    <text valign="center" halign="center" bg_visible="true" name="high_vertices" left_pad="0" width="65" height="18" follows="left|top" value="0"/>
-    <text valign="center" halign="center" bg_visible="true" name="high_status" left_pad="0" width="65" height="18" follows="left|top" value=""/>
-    <icon height="16" width="16" image_name="lag_status_critical.tga" mouse_opaque="true" name="status_icon_high" left_delta="20" top_delta="0" />
-    
-    <text valign="center" halign="center" bg_visible="true" name="medium_label" left="10" top_pad="0" width="65" height="18" follows="left|top" value="Medium"/>
-    <text valign="center" halign="center" bg_visible="true" name="medium_triangles" left_pad="0" width="65" height="18" follows="left|top" value="0"/>
-    <text valign="center" halign="center" bg_visible="true" name="medium_vertices" left_pad="0" width="65" height="18" follows="left|top" value="0"/>
-    <text valign="center" halign="center" bg_visible="true" name="medium_status" left_pad="0" width="65" height="18" follows="left|top" value=""/>
-    <icon height="16" width="16" image_name="lag_status_critical.tga" mouse_opaque="true" name="status_icon_medium" left_delta="20" top_delta="0" />
-    
-    <text valign="center" halign="center" bg_visible="true" name="low_label" left="10" top_pad="0" width="65" height="18" follows="left|top" value="Low"/>
-    <text valign="center" halign="center" bg_visible="true" name="low_triangles" left_pad="0" width="65" height="18" follows="left|top" value="0"/>
-    <text valign="center" halign="center" bg_visible="true" name="low_vertices" left_pad="0" width="65" height="18" follows="left|top" value="0"/>
-    <text valign="center" halign="center" bg_visible="true" name="low_status" left_pad="0" width="65" height="18" follows="left|top" value=""/>
-    <icon height="16" width="16" image_name="lag_status_critical.tga" mouse_opaque="true" name="status_icon_low" left_delta="20" top_delta="0" />
-    
-    <text valign="center" halign="center" bg_visible="true" name="lowest_label" left="10" top_pad="0" width="65" height="18" follows="left|top" value="Lowest"/>
-    <text valign="center" halign="center" bg_visible="true" name="lowest_triangles" left_pad="0" width="65" height="18" follows="left|top" value="0"/>
-    <text valign="center" halign="center" bg_visible="true" name="lowest_vertices" left_pad="0" width="65" height="18" follows="left|top" value="0"/>
-    <text valign="center" halign="center" bg_visible="true" name="lowest_status" left_pad="0" width="65" height="18" follows="left|top" value=""/>
-    <icon height="16" width="16" image_name="lag_status_critical.tga" mouse_opaque="true" name="status_icon_lowest" left_delta="20" top_delta="0" />
-    
-    <text left="10" width="240" height="15" top_pad="15" follows="left|top" name="lod_table_footer">
-      Level of Detail: [DETAIL]
-    </text>
-    
-    <icon height="16" width="16" left="20" follows="left|top" name="lod_status_message_icon"/>
-    <text left_pad="5" width="230" height="28" follows="left|top" top_pad="-15" wrap="true" name="lod_status_message_text"/>
-    </panel>
-    
-     LOD MESH
-    <panel
-      follows="top|left"
-      name="mesh"
-      left="0"
-      top_pad="0"
-      width="300"
-      height="237"
-      visible="true"
-      border="true"
-      bevel_style="none" bg_alpha_color="0 0 0 0" bg_opaque_color="0 0 0 0.3">
-    
-    <text top_pad="5" left="10" name="mesh_label" height="15" follows="left|top">
-      Mesh
-    </text>
-    
-    <radio_group follows="top|left" height="210" left="30" name="lod_file_or_limit" width="240" value="lod_from_file">
-      <radio_item bottom="195" label="Load from file" name="lod_from_file"/>
-      <radio_item bottom="150" label="Auto generate" name="lod_auto_generate"/>
-      <radio_item bottom="0" label="None" name="lod_none"/>
-    </radio_group>
-    
-    <line_editor follows="left|top" bottom_delta="-170" width="140" left="45" value="" name="lod_file" height="20"/>
-    <button bottom_delta="3" name="lod_browse" label="Browse..." left_pad="5" follows="left|top" width="70" height="25"/>
-    
-    <combo_box follows="top|left" name="lod_mode" top_pad="22" width="100" left="45" height="20">
-      <combo_item name="triangle_limit">
-        Triangle Limit
-      </combo_item>
-      <combo_item name="error_threshold">
-        Error Threshold
-      </combo_item>
-    </combo_box>
-    <spinner follows="top|left" name="lod_triangle_limit" increment="10" left_pad="5" height="20" width="100" decimal_digits="0" enabled="true"/>
-    <spinner left_delta="0" bottom_delta="0" increment="0.01"  follows="top|left" name="lod_error_threshold" min_val="0" max_val="100" height="20" width="100" decimal_digits="3" visible="false" enabled="true"/>
-    
-    <text follows="top|left" name="build_operator_text" left="45" top_pad="10" width="100" height="15" text_readonly_color="LabelDisabledColor">
-      Build Operator:  
-    </text>
-    <text follows="top|left" name="queue_mode_text" left_pad="5" width="100" height="15" text_readonly_color="LabelDisabledColor">
-      Queue Mode:
-    </text>
-    <combo_box follows="top|left" name="build_operator" top_pad="5" left="45" width="100" height="20">
-      <combo_item name="edge_collapse">
-        Edge Collapse
-      </combo_item>
-      <combo_item name="half_edge_collapse">
-        Half Edge Collapse
-      </combo_item>
-    </combo_box>
-    
-    <combo_box follows="top|left" name="queue_mode" left_pad="5" width="100" height="20">
-      <combo_item name="greedy">
-        Greedy
-      </combo_item>
-      <combo_item name="lazy">
-        Lazy
-      </combo_item>
-      <combo_item name="independent">
-        Independent
-      </combo_item>
-    </combo_box>
-    
-    <text top_pad="10" name="border_mode_text" left="45" follows="left|top" width="100" height="15" text_readonly_color="LabelDisabledColor">
-      Border Mode:
-    </text>
-    
-    <text left_pad="5" name="share_tolderance_text"  follows="left|top" width="100" height="15" text_readonly_color="LabelDisabledColor">
-      Share Tolerance:
-    </text>
-    
-    <combo_box follows="left|top" left="45" height="20" name="border_mode" width="100">
-      <combo_item name="border_unlock">
-        Unlock
-      </combo_item>
-      <combo_item name="border_lock">
-        Lock
-      </combo_item>
-    </combo_box>
-    <spinner follows="left|top" name="share_tolerance" left_pad="5" width="100" decimal_digits="5" initial_value="0.00001" height="20"/>
-    </panel>
-    
-     LOD GENERATE NORMALS
-    <panel
-      follows="top|left"
-      name="generate normals"
-      left="0"
-      top_pad="0"
-      width="300"
-      height="46"
-      visible="true"
-      border="true"
-      bevel_style="none" bg_alpha_color="0 0 0 0" bg_opaque_color="0 0 0 0.3">
-    
-    <text left="10" name="gen_normals_label" top_pad="5" follows="top|left" width="240" height="15">
-      Generate Normals
-    </text>
-    <text left="35" top_pad="5" follows="top|left" width="100" height="15" name="crease_label">
-      Crease Angle:
-    </text>
-    <spinner follows="top|left" left_pad="5" min_val="0" max_val="180" value="75" width="60" height="20" name="crease_angle"/>  
-    </panel>
-      </panel>
+        <panel
+         help_topic="upload_model_lod"
+         label="Level of Detail"
+         layout="topleft"
+         name="lod_panel"
+         title="Level of Detail">
+            <view_border
+             bevel_style="none"
+             follows="top|left"
+             height="275"
+             layout="topleft"
+             left="3"
+             name="lod_tab_border"
+             top_pad="0"
+             width="619" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             height="18"
+             initial_value="Source"
+             layout="topleft"
+             left="75"
+             name="source"
+             top="15"
+             valign="center"
+             value="Source"
+             width="335" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="Triangles"
+             layout="topleft"
+             left_pad="0"
+             name="triangles"
+             top_delta="0"
+             valign="center"
+             value="Triangles"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="Vertices"
+             layout="topleft"
+             left_pad="0"
+             name="vertices"
+             valign="center"
+             value="Vertices"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             height="18"
+             initial_value="High"
+             layout="topleft"
+             left="10"
+             name="high_label"
+             top_pad="10"
+             valign="center"
+             value="High"
+             width="65" />
+            <combo_box
+             follows="top|left"
+             height="20"
+             layout="topleft"
+             left_pad="0"
+             name="lod_source_high"
+             top_delta="-3"
+             width="135">
+                <item
+                 id="Load from file"
+                 value="Load from file" />
+                <item
+                 id="Generate"
+                 value="Generate" />
+            </combo_box>
+            <line_editor
+             follows="left|top"
+             height="20"
+             initial_value=""
+             layout="topleft"
+             left_pad="5"
+             name="lod_file_high"
+             top_delta="0"
+             value=""
+             width="120" />
+            <button
+             follows="left|top"
+             height="20"
+             label="Browse..."
+             layout="topleft"
+             left_pad="5"
+             name="lod_browse_high"
+             top_delta="0"
+             width="70" />
+            <combo_box
+             follows="top|left"
+             height="20"
+             layout="topleft"
+             left="215"
+             name="lod_mode_high"
+             top_delta="0"
+             visible="false"
+             width="135">
+                <item
+                 id="Triangle Limit"
+                 value="Triangle Limit" />
+                <item
+                 id="Error Threshold"
+                 value="Error Threshold" />
+            </combo_box>
+            <spinner
+             decimal_digits="0"
+             follows="top|left"
+             height="20"
+             increment="10"
+             layout="topleft"
+             left_pad="5"
+             name="lod_triangle_limit_high"
+             visible="false"
+             width="55" />
+            <spinner
+             follows="top|left"
+             height="20"
+             increment="0.01"
+             layout="topleft"
+             left_delta="0"
+             max_val="100"
+             name="lod_error_threshold_high"
+             top_delta="0"
+             visible="false"
+             width="55" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="0"
+             layout="topleft"
+             left_pad="0"
+             name="high_triangles"
+             valign="center"
+             value="0"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="0"
+             layout="topleft"
+             left_pad="0"
+             name="high_vertices"
+             valign="center"
+             value="0"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="center"
+             height="18"
+             initial_value=""
+             layout="topleft"
+             left_pad="0"
+             name="high_status"
+             valign="center"
+             value=""
+             width="65" />
+            <icon
+             height="16"
+             image_name="lag_status_critical.tga"
+             layout="topleft"
+             left_delta="20"
+             mouse_opaque="true"
+             name="status_icon_high"
+             top_delta="0"
+             width="16" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             height="18"
+             initial_value="Medium"
+             layout="topleft"
+             left="10"
+             name="medium_label"
+             top_pad="15"
+             valign="center"
+             value="Medium"
+             width="65" />
+            <combo_box
+             follows="top|left"
+             height="20"
+             layout="topleft"
+             left_pad="0"
+             name="lod_source_medium"
+             top_delta="-3"
+             width="135">
+                <item
+                 id="Load from file"
+                 value="Load from file" />
+                <item
+                 id="Generate"
+                 value="Generate" />
+                <item
+                 id="Use LoD above"
+                 value="Use LoD above" />
+            </combo_box>
+            <line_editor
+             follows="left|top"
+             height="20"
+             initial_value=""
+             layout="topleft"
+             left_pad="5"
+             name="lod_file_medium"
+             top_delta="0"
+             value=""
+             visible="false"
+             width="120" />
+            <button
+             follows="left|top"
+             height="20"
+             label="Browse..."
+             layout="topleft"
+             left_pad="5"
+             name="lod_browse_medium"
+             top_delta="0"
+             visible="false"
+             width="70" />
+            <combo_box
+             follows="top|left"
+             height="20"
+             layout="topleft"
+             left="215"
+             name="lod_mode_medium"
+             top_delta="0"
+             width="135">
+                <item
+                 id="Triangle Limit"
+                 value="Triangle Limit" />
+                <item
+                 id="Error Threshold"
+                 value="Error Threshold" />
+            </combo_box>
+            <spinner
+             decimal_digits="0"
+             follows="top|left"
+             height="20"
+             increment="10"
+             layout="topleft"
+             left_pad="5"
+             name="lod_triangle_limit_medium"
+             width="55" />
+            <spinner
+             follows="top|left"
+             height="20"
+             increment="0.01"
+             layout="topleft"
+             left_delta="0"
+             max_val="100"
+             name="lod_error_threshold_medium"
+             top_delta="0"
+             visible="false"
+             width="55" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="0"
+             layout="topleft"
+             left_pad="0"
+             name="medium_triangles"
+             valign="center"
+             value="0"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="0"
+             layout="topleft"
+             left_pad="0"
+             name="medium_vertices"
+             valign="center"
+             value="0"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="center"
+             height="18"
+             initial_value=""
+             layout="topleft"
+             left_pad="0"
+             name="medium_status"
+             valign="center"
+             value=""
+             width="65" />
+            <icon
+             height="16"
+             image_name="lag_status_critical.tga"
+             layout="topleft"
+             left_delta="20"
+             mouse_opaque="true"
+             name="status_icon_medium"
+             top_delta="0"
+             width="16" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             height="18"
+             initial_value="Low"
+             layout="topleft"
+             left="10"
+             name="low_label"
+             top_pad="15"
+             valign="center"
+             value="Low"
+             width="65" />
+            <combo_box
+             follows="top|left"
+             height="20"
+             layout="topleft"
+             left_pad="0"
+             name="lod_source_low"
+             top_delta="-3"
+             width="135">
+                <item
+                 id="Load from file"
+                 value="Load from file" />
+                <item
+                 id="Generate"
+                 value="Generate" />
+                <item
+                 id="Use LoD above"
+                 value="Use LoD above" />
+            </combo_box>
+            <line_editor
+             follows="left|top"
+             height="20"
+             initial_value=""
+             layout="topleft"
+             left_pad="5"
+             name="lod_file_low"
+             top_delta="0"
+             value=""
+             visible="false"
+             width="120" />
+            <button
+             follows="left|top"
+             height="20"
+             label="Browse..."
+             layout="topleft"
+             left_pad="5"
+             name="lod_browse_low"
+             top_delta="0"
+             visible="false"
+             width="70" />
+            <combo_box
+             follows="top|left"
+             height="20"
+             layout="topleft"
+             left="215"
+             name="lod_mode_low"
+             top_delta="0"
+             width="135">
+                <item
+                 id="Triangle Limit"
+                 value="Triangle Limit" />
+                <item
+                 id="Error Threshold"
+                 value="Error Threshold" />
+            </combo_box>
+            <spinner
+             decimal_digits="0"
+             follows="top|left"
+             height="20"
+             increment="10"
+             layout="topleft"
+             left_pad="5"
+             name="lod_triangle_limit_low"
+             width="55" />
+            <spinner
+             follows="top|left"
+             height="20"
+             increment="0.01"
+             layout="topleft"
+             left_delta="0"
+             max_val="100"
+             name="lod_error_threshold_low"
+             top_delta="0"
+             visible="false"
+             width="55" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="0"
+             layout="topleft"
+             left_pad="0"
+             name="low_triangles"
+             valign="center"
+             value="0"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="0"
+             layout="topleft"
+             left_pad="0"
+             name="low_vertices"
+             valign="center"
+             value="0"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="center"
+             height="18"
+             initial_value=""
+             layout="topleft"
+             left_pad="0"
+             name="low_status"
+             valign="center"
+             value=""
+             width="65" />
+            <icon
+             height="16"
+             image_name="lag_status_critical.tga"
+             layout="topleft"
+             left_delta="20"
+             mouse_opaque="true"
+             name="status_icon_low"
+             top_delta="0"
+             width="16" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             height="18"
+             initial_value="Lowest"
+             layout="topleft"
+             left="10"
+             name="lowest_label"
+             top_pad="15"
+             valign="center"
+             value="Lowest"
+             width="65" />
+            <combo_box
+             follows="top|left"
+             height="20"
+             layout="topleft"
+             left_pad="0"
+             name="lod_source_lowest"
+             top_delta="-3"
+             width="135">
+                <item
+                 id="Load from file"
+                 value="Load from file" />
+                <item
+                 id="Generate"
+                 value="Generate" />
+                <item
+                 id="Use LoD above"
+                 value="Use LoD above" />
+            </combo_box>
+            <line_editor
+             follows="left|top"
+             height="20"
+             initial_value=""
+             layout="topleft"
+             left_pad="5"
+             name="lod_file_lowest"
+             top_delta="0"
+             value=""
+             visible="false"
+             width="120" />
+            <button
+             follows="left|top"
+             height="20"
+             label="Browse..."
+             layout="topleft"
+             left_pad="5"
+             name="lod_browse_lowest"
+             top_delta="0"
+             visible="false"
+             width="70" />
+            <combo_box
+             follows="top|left"
+             height="20"
+             layout="topleft"
+             left="215"
+             name="lod_mode_lowest"
+             top_delta="0"
+             width="135">
+                <item
+                 id="Triangle Limit"
+                 value="Triangle Limit" />
+                <item
+                 id="Error Threshold"
+                 value="Error Threshold" />
+            </combo_box>
+            <spinner
+             decimal_digits="0"
+             follows="top|left"
+             height="20"
+             increment="10"
+             layout="topleft"
+             left_pad="5"
+             name="lod_triangle_limit_lowest"
+             width="55" />
+            <spinner
+             follows="top|left"
+             height="20"
+             increment="0.01"
+             layout="topleft"
+             left_delta="0"
+             max_val="100"
+             name="lod_error_threshold_lowest"
+             top_delta="0"
+             visible="false"
+             width="55" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="0"
+             layout="topleft"
+             left_pad="0"
+             name="lowest_triangles"
+             valign="center"
+             value="0"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="right"
+             height="18"
+             initial_value="0"
+             layout="topleft"
+             left_pad="0"
+             name="lowest_vertices"
+             valign="center"
+             value="0"
+             width="65" />
+            <text
+             bg_visible="true"
+             follows="left|top"
+             halign="center"
+             height="18"
+             initial_value=""
+             layout="topleft"
+             left_pad="0"
+             name="lowest_status"
+             valign="center"
+             value=""
+             width="65" />
+            <icon
+             height="16"
+             image_name="lag_status_critical.tga"
+             layout="topleft"
+             left_delta="20"
+             mouse_opaque="true"
+             name="status_icon_lowest"
+             top_delta="0"
+             width="16" />
+            <icon
+             height="16"
+             layout="topleft"
+             left="10"
+             name="lod_status_message_icon"
+             top_pad="20"
+             width="16" />
+            <text
+             follows="left|top"
+             height="16"
+             layout="topleft"
+             left_pad="5"
+             name="lod_status_message_text"
+             top_delta="0"
+             width="584"
+             word_wrap="true"
+             wrap="true" />
+            <view_border
+             bevel_style="none"
+             follows="top|left"
+             height="0"
+             layout="topleft"
+             left="10"
+             name="lod_tab_border"
+             top_pad="20"
+             width="605" />
+            <check_box
+             follows="top|left"
+             height="15"
+             label="Generate Normals"
+             layout="topleft"
+             left="10"
+             name="gen_normals"
+             top_pad="20" />
+            <text
+             enabled="false"
+             follows="top|left"
+             height="15"
+             initial_value="Crease Angle:"
+             layout="topleft"
+             left="200"
+             name="crease_label"
+             top_delta="0"
+             value="Crease Angle:"
+             width="100" />
+            <spinner
+             enabled="false"
+             follows="top|left"
+             height="20"
+             initial_value="75"
+             layout="topleft"
+             left_pad="5"
+             max_val="180"
+             name="crease_angle"
+             value="75"
+             width="60" />
+        </panel>
       <!-- PHYSYCS PANEL -->
         <panel
           help_topic="upload_model_physics"