Automated merge from mesh-development

16 files changed, 4662 insertions, 4421 deletions

diff --git a/indra/llcommon/llfasttimer_class.cpp b/indra/llcommon/llfasttimer_class.cpp
index 0828635881..bd594b06cf 100644
--- a/indra/llcommon/llfasttimer_class.cpp
+++ b/indra/llcommon/llfasttimer_class.cpp
@@ -860,6 +860,9 @@ U64 LLFastTimer::getCPUClockCount64()
 	}
     return ret_val;
 }
+
+std::string LLFastTimer::sClockType = "rdtsc";
+
 #else
 //LL_COMMON_API U64 get_clock_count(); // in lltimer.cpp
 // These use QueryPerformanceCounter, which is arguably fine and also works on amd architectures.
@@ -872,6 +875,8 @@ U64 LLFastTimer::getCPUClockCount64()
 {
 	return get_clock_count();
 }
+
+std::string LLFastTimer::sClockType = "QueryPerformanceCounter";
 #endif
 
 #endif
@@ -904,6 +909,9 @@ U32 LLFastTimer::getCPUClockCount32()
 {
 	return (U32)(LLFastTimer::getCPUClockCount64() >> 8);
 }
+
+std::string LLFastTimer::sClockType = "clock_gettime";
+
 #endif // (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
 
 
@@ -923,23 +931,7 @@ U64 LLFastTimer::getCPUClockCount64()
 	__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
 	return x;
 }
-#endif
-
-
-#if ( LL_DARWIN && !(defined(__i386__) || defined(__amd64__)))
-//
-// Mac PPC (deprecated) implementation of CPU clock
-//
-// Just use gettimeofday implementation for now
 
-U32 LLFastTimer::getCPUClockCount32()
-{
-	return (U32)(get_clock_count()>>8);
-}
-
-U64 LLFastTimer::getCPUClockCount64()
-{
-	return get_clock_count();
-}
+std::string LLFastTimer::sClockType = "rdtsc";
 #endif
 
diff --git a/indra/llcommon/llfasttimer_class.h b/indra/llcommon/llfasttimer_class.h
index 038a2d246a..827747f0c6 100644
--- a/indra/llcommon/llfasttimer_class.h
+++ b/indra/llcommon/llfasttimer_class.h
@@ -180,8 +180,10 @@ public:
 		sTimerCycles += timer_end - timer_start;
 #endif
 #if DEBUG_FAST_TIMER_THREADS
+#if !LL_RELEASE
 		assert_main_thread();
 #endif
+#endif
 	}
 
 	LL_FORCE_INLINE ~LLFastTimer()
@@ -251,6 +253,7 @@ public:
 		U32				mChildTime;
 	};
 	static CurTimerData		sCurTimerData;
+	static std::string sClockType;
 
 private:
 	static U32 getCPUClockCount32();
diff --git a/indra/llcommon/llrefcount.cpp b/indra/llcommon/llrefcount.cpp
index 55d0c85cbd..e1876599fc 100644
--- a/indra/llcommon/llrefcount.cpp
+++ b/indra/llcommon/llrefcount.cpp
@@ -29,9 +29,25 @@
 
 #include "llerror.h"
 
+#if LL_REF_COUNT_DEBUG
+#include "llthread.h"
+#include "llapr.h"
+#endif
+
 LLRefCount::LLRefCount(const LLRefCount& other)
 :	mRef(0)
 {
+#if LL_REF_COUNT_DEBUG
+	if(gAPRPoolp)
+	{
+		mMutexp = new LLMutex(gAPRPoolp) ;
+	}
+	else
+	{
+		mMutexp = NULL ;
+	}
+	mCrashAtUnlock = FALSE ;
+#endif
 }
 
 LLRefCount& LLRefCount::operator=(const LLRefCount&)
@@ -43,6 +59,17 @@ LLRefCount& LLRefCount::operator=(const LLRefCount&)
 LLRefCount::LLRefCount() :
 	mRef(0)
 {
+#if LL_REF_COUNT_DEBUG
+	if(gAPRPoolp)
+	{
+		mMutexp = new LLMutex(gAPRPoolp) ;
+	}
+	else
+	{
+		mMutexp = NULL ;
+	}
+	mCrashAtUnlock = FALSE ;
+#endif
 }
 
 LLRefCount::~LLRefCount()
@@ -51,4 +78,87 @@ LLRefCount::~LLRefCount()
 	{
 		llerrs << "deleting non-zero reference" << llendl;
 	}
+
+#if LL_REF_COUNT_DEBUG
+	if(gAPRPoolp)
+	{
+		delete mMutexp ;
+	}
+#endif
 }
+
+#if LL_REF_COUNT_DEBUG
+void LLRefCount::ref() const
+{ 
+	if(mMutexp)
+	{
+		if(mMutexp->isLocked()) 
+		{
+			mCrashAtUnlock = TRUE ;
+			llerrs << "the mutex is locked by the thread: " << mLockedThreadID 
+				<< " Current thread: " << LLThread::currentID() << llendl ;
+		}
+
+		mMutexp->lock() ;
+		mLockedThreadID = LLThread::currentID() ;
+
+		mRef++; 
+
+		if(mCrashAtUnlock)
+		{
+			while(1); //crash here.
+		}
+		mMutexp->unlock() ;
+	}
+	else
+	{
+		mRef++; 
+	}
+} 
+
+S32 LLRefCount::unref() const
+{
+	if(mMutexp)
+	{
+		if(mMutexp->isLocked()) 
+		{
+			mCrashAtUnlock = TRUE ;
+			llerrs << "the mutex is locked by the thread: " << mLockedThreadID 
+				<< " Current thread: " << LLThread::currentID() << llendl ;
+		}
+
+		mMutexp->lock() ;
+		mLockedThreadID = LLThread::currentID() ;
+		
+		llassert(mRef >= 1);
+		if (0 == --mRef) 
+		{
+			if(mCrashAtUnlock)
+			{
+				while(1); //crash here.
+			}
+			mMutexp->unlock() ;
+
+			delete this; 
+			return 0;
+		}
+
+		if(mCrashAtUnlock)
+		{
+			while(1); //crash here.
+		}
+		mMutexp->unlock() ;
+		return mRef;
+	}
+	else
+	{
+		llassert(mRef >= 1);
+		if (0 == --mRef) 
+		{
+			delete this; 
+			return 0;
+		}
+		return mRef;
+	}
+}	
+#endif
diff --git a/indra/llcommon/llrefcount.h b/indra/llcommon/llrefcount.h
index 19f008b15c..868789de4d 100644
--- a/indra/llcommon/llrefcount.h
+++ b/indra/llcommon/llrefcount.h
@@ -28,6 +28,11 @@
 
 #include <boost/noncopyable.hpp>
 
+#define LL_REF_COUNT_DEBUG 0
+#if LL_REF_COUNT_DEBUG
+class LLMutex ;
+#endif
+
 //----------------------------------------------------------------------------
 // RefCount objects should generally only be accessed by way of LLPointer<>'s
 // see llthread.h for LLThreadSafeRefCount
@@ -43,12 +48,16 @@ protected:
 public:
 	LLRefCount();
 
-	void ref() const
+#if LL_REF_COUNT_DEBUG
+	void ref() const ;
+	S32 unref() const ;
+#else
+	void LLRefCount::ref() const
 	{ 
 		mRef++; 
 	} 
 
-	S32 unref() const
+	S32 LLRefCount::unref() const
 	{
 		llassert(mRef >= 1);
 		if (0 == --mRef) 
@@ -58,6 +67,7 @@ public:
 		}
 		return mRef;
 	}	
+#endif
 
 	//NOTE: when passing around a const LLRefCount object, this can return different results
 	// at different types, since mRef is mutable
@@ -68,6 +78,12 @@ public:
 
 private: 
 	mutable S32	mRef; 
+
+#if LL_REF_COUNT_DEBUG
+	LLMutex*  mMutexp ;
+	mutable U32  mLockedThreadID ;
+	mutable BOOL mCrashAtUnlock ; 
+#endif
 };
 
 #endif
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 04fe99ec1f..9022026248 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -325,6 +325,7 @@ LLGLManager::LLGLManager() :
 	mHasVertexShader(FALSE),
 	mHasFragmentShader(FALSE),
 	mHasOcclusionQuery(FALSE),
+	mHasOcclusionQuery2(FALSE),
 	mHasPointParameters(FALSE),
 	mHasDrawBuffers(FALSE),
 	mHasTextureRectangle(FALSE),
@@ -666,6 +667,7 @@ void LLGLManager::initExtensions()
 	mHasARBEnvCombine = ExtensionExists("GL_ARB_texture_env_combine", gGLHExts.mSysExts);
 	mHasCompressedTextures = glh_init_extensions("GL_ARB_texture_compression");
 	mHasOcclusionQuery = ExtensionExists("GL_ARB_occlusion_query", gGLHExts.mSysExts);
+	mHasOcclusionQuery2 = ExtensionExists("GL_ARB_occlusion_query2", gGLHExts.mSysExts);
 	mHasVertexBufferObject = ExtensionExists("GL_ARB_vertex_buffer_object", gGLHExts.mSysExts);
 	mHasDepthClamp = ExtensionExists("GL_ARB_depth_clamp", gGLHExts.mSysExts) || ExtensionExists("GL_NV_depth_clamp", gGLHExts.mSysExts);
 	// mask out FBO support when packed_depth_stencil isn't there 'cause we need it for LLRenderTarget -Brad
@@ -782,6 +784,10 @@ void LLGLManager::initExtensions()
 	{
 		LL_INFOS("RenderInit") << "Couldn't initialize GL_ARB_occlusion_query" << LL_ENDL;
 	}
+	if (!mHasOcclusionQuery2)
+	{
+		LL_INFOS("RenderInit") << "Couldn't initialize GL_ARB_occlusion_query2" << LL_ENDL;
+	}
 	if (!mHasPointParameters)
 	{
 		LL_INFOS("RenderInit") << "Couldn't initialize GL_ARB_point_parameters" << LL_ENDL;
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index 4630811679..ff4e6078c9 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -89,6 +89,7 @@ public:
 	BOOL mHasVertexShader;
 	BOOL mHasFragmentShader;
 	BOOL mHasOcclusionQuery;
+	BOOL mHasOcclusionQuery2;
 	BOOL mHasPointParameters;
 	BOOL mHasDrawBuffers;
 	BOOL mHasDepthClamp;
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 3c6b881eeb..0093279859 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -2874,6 +2874,8 @@ void LLAppViewer::writeSystemInfo()
 	LL_INFOS("SystemInfo") << "OS: " << getOSInfo().getOSStringSimple() << LL_ENDL;
 	LL_INFOS("SystemInfo") << "OS info: " << getOSInfo() << LL_ENDL;
 
+	LL_INFOS("SystemInfo") << "Timers: " << LLFastTimer::sClockType << LL_ENDL;
+
 	writeDebugInfo(); // Save out debug_info.log early, in case of crash.
 }
 
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index a1c2265f62..f15d4def80 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -1,4264 +1,4324 @@
-/**

- * @file llfloatermodelpreview.cpp

- * @brief LLFloaterModelPreview class implementation

- *

- * $LicenseInfo:firstyear=2004&license=viewerlgpl$

- * Second Life Viewer Source Code

- * Copyright (C) 2010, Linden Research, Inc.

- *

- * This library is free software; you can redistribute it and/or

- * modify it under the terms of the GNU Lesser General Public

- * License as published by the Free Software Foundation;

- * version 2.1 of the License only.

- *

- * This library is distributed in the hope that it will be useful,

- * but WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

- * Lesser General Public License for more details.

- *

- * You should have received a copy of the GNU Lesser General Public

- * License along with this library; if not, write to the Free Software

- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

- *

- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA

- * $/LicenseInfo$

- */

-

-#include "llviewerprecompiledheaders.h"

-

-#include "dae.h"

-//#include "dom.h"

-#include "dom/domAsset.h"

-#include "dom/domBind_material.h"

-#include "dom/domCOLLADA.h"

-#include "dom/domConstants.h"

-#include "dom/domController.h"

-#include "dom/domEffect.h"

-#include "dom/domGeometry.h"

-#include "dom/domInstance_geometry.h"

-#include "dom/domInstance_material.h"

-#include "dom/domInstance_node.h"

-#include "dom/domInstance_effect.h"

-#include "dom/domMaterial.h"

-#include "dom/domMatrix.h"

-#include "dom/domNode.h"

-#include "dom/domProfile_COMMON.h"

-#include "dom/domRotate.h"

-#include "dom/domScale.h"

-#include "dom/domTranslate.h"

-#include "dom/domVisual_scene.h"

-

-#include "llfloatermodelpreview.h"

-

-#include "llfilepicker.h"

-#include "llimagebmp.h"

-#include "llimagetga.h"

-#include "llimagejpeg.h"

-#include "llimagepng.h"

-

-#include "llagent.h"

-#include "llbutton.h"

-#include "llcombobox.h"

-#include "lldatapacker.h"

-#include "lldrawable.h"

-#include "lldrawpoolavatar.h"

-#include "llrender.h"

-#include "llface.h"

-#include "lleconomy.h"

-#include "llfocusmgr.h"

-#include "llfloaterperms.h"

-#include "lliconctrl.h"

-#include "llmatrix4a.h"

-#include "llmenubutton.h"

-#include "llmeshrepository.h"

-#include "llsdutil_math.h"

-#include "lltextbox.h"

-#include "lltoolmgr.h"

-#include "llui.h"

-#include "llvector4a.h"

-#include "llviewercamera.h"

-#include "llviewerwindow.h"

-#include "llvoavatar.h"

-#include "llvoavatarself.h"

-#include "pipeline.h"

-#include "lluictrlfactory.h"

-#include "llviewermenu.h"

-#include "llviewermenufile.h"

-#include "llviewerregion.h"

-#include "llviewertexturelist.h"

-#include "llstring.h"

-#include "llbutton.h"

-#include "llcheckboxctrl.h"

-#include "llradiogroup.h"

-#include "llsliderctrl.h"

-#include "llspinctrl.h"

-#include "lltoggleablemenu.h"

-#include "llvfile.h"

-#include "llvfs.h"

-#include "llcallbacklist.h"

-

-#include "glod/glod.h"

-

-//static

-S32 LLFloaterModelPreview::sUploadAmount = 10;

-LLFloaterModelPreview* LLFloaterModelPreview::sInstance = NULL;

-

-const S32 PREVIEW_BORDER_WIDTH = 2;

-const S32 PREVIEW_RESIZE_HANDLE_SIZE = S32(RESIZE_HANDLE_WIDTH * OO_SQRT2) + PREVIEW_BORDER_WIDTH;

-const S32 PREVIEW_HPAD = PREVIEW_RESIZE_HANDLE_SIZE;

-const S32 PREF_BUTTON_HEIGHT = 16 + 7 + 16;

-const S32 PREVIEW_TEXTURE_HEIGHT = 300;

-

-void drawBoxOutline(const LLVector3& pos, const LLVector3& size);

-

-

-std::string lod_name[NUM_LOD+1] =

-{

-	"lowest",

-	"low",

-	"medium",

-	"high",

-	"I went off the end of the lod_name array.  Me so smart."

-};

-

-std::string lod_triangles_name[NUM_LOD+1] =

-{

-	"lowest_triangles",

-	"low_triangles",

-	"medium_triangles",

-	"high_triangles",

-	"I went off the end of the lod_triangles_name array.  Me so smart."

-};

-

-std::string lod_vertices_name[NUM_LOD+1] =

-{

-	"lowest_vertices",

-	"low_vertices",

-	"medium_vertices",

-	"high_vertices",

-	"I went off the end of the lod_vertices_name array.  Me so smart."

-};

-

-std::string lod_status_name[NUM_LOD+1] =

-{

-	"lowest_status",

-	"low_status",

-	"medium_status",

-	"high_status",

-	"I went off the end of the lod_status_name array.  Me so smart."

-};

-

-std::string lod_icon_name[NUM_LOD+1] =

-{

-	"status_icon_lowest",

-	"status_icon_low",

-	"status_icon_medium",

-	"status_icon_high",

-	"I went off the end of the lod_status_name array.  Me so smart."

-};

-

-std::string lod_status_image[NUM_LOD+1] =

-{

-	"ModelImport_Status_Good",

-	"ModelImport_Status_Warning",

-	"ModelImport_Status_Error",

-	"I went off the end of the lod_status_image array.  Me so smart."

-};

-

-std::string lod_label_name[NUM_LOD+1] =

-{

-	"lowest_label",

-	"low_label",

-	"medium_label",

-	"high_label",

-	"I went off the end of the lod_label_name array.  Me so smart."

-};

-

-

-bool validate_face(const LLVolumeFace& face)

-{

-	for (U32 i = 0; i < face.mNumIndices; ++i)

-	{

-		if (face.mIndices[i] >= face.mNumVertices)

-		{

-			llwarns << "Face has invalid index." << llendl;

-			return false;

-		}

-	}

-

-	return true;

-}

-

-bool validate_model(const LLModel* mdl)

-{

-	if (mdl->getNumVolumeFaces() == 0)

-	{

-		llwarns << "Model has no faces!" << llendl;

-		return false;

-	}

-

-	for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)

-	{

-		if (mdl->getVolumeFace(i).mNumVertices == 0)

-		{

-			llwarns << "Face has no vertices." << llendl;

-			return false;

-		}

-

-		if (mdl->getVolumeFace(i).mNumIndices == 0)

-		{

-			llwarns << "Face has no indices." << llendl;

-			return false;

-		}

-

-		if (!validate_face(mdl->getVolumeFace(i)))

-		{

-			return false;

-		}

-	}

-

-	return true;

-}

-

-BOOL stop_gloderror()

-{

-	GLuint error = glodGetError();

-

-	if (error != GLOD_NO_ERROR)

-	{

-		llwarns << "GLOD error detected, cannot generate LOD: " << std::hex << error << llendl;

-		return TRUE;

-	}

-

-	return FALSE;

-}

-

-

-LLMeshFilePicker::LLMeshFilePicker(LLModelPreview* mp, S32 lod)

-	: LLFilePickerThread(LLFilePicker::FFLOAD_COLLADA)

-	{

-		mMP = mp;

-		mLOD = lod;

-	}

-

-void LLMeshFilePicker::notify(const std::string& filename)

-{

-	mMP->loadModel(mFile, mLOD);

-}

-

-

-//-----------------------------------------------------------------------------

-// LLFloaterModelPreview()

-//-----------------------------------------------------------------------------

-LLFloaterModelPreview::LLFloaterModelPreview(const LLSD& key) :

-LLFloater(key)

-{

-	sInstance = this;

-	mLastMouseX = 0;

-	mLastMouseY = 0;

-	mGLName = 0;

-	mStatusLock = new LLMutex(NULL);

-

-	mLODMode[LLModel::LOD_HIGH] = 0;

-	for (U32 i = 0; i < LLModel::LOD_HIGH; i++)

-	{

-		mLODMode[i] = 1;

-	}

-}

-

-//-----------------------------------------------------------------------------

-// postBuild()

-//-----------------------------------------------------------------------------

-BOOL LLFloaterModelPreview::postBuild()

-{

-	if (!LLFloater::postBuild())

-	{

-		return FALSE;

-	}

-

-

-

-

-

-

-	childSetAction("lod_browse", onBrowseLOD, this);

-

-	childSetCommitCallback("crease_angle", onGenerateNormalsCommit, this);

-	childSetCommitCallback("generate_normals", onGenerateNormalsCommit, this);

-

-	childSetCommitCallback("lod_generate", onAutoFillCommit, this);

-

-	childSetCommitCallback("lod_mode", onLODParamCommit, this);

-	childSetCommitCallback("lod_error_threshold", onLODParamCommit, this);

-	childSetCommitCallback("lod_triangle_limit", onLODParamCommit, this);

-	childSetCommitCallback("build_operator", onLODParamCommit, this);

-	childSetCommitCallback("queue_mode", onLODParamCommit, this);

-	childSetCommitCallback("border_mode", onLODParamCommit, this);

-	childSetCommitCallback("share_tolerance", onLODParamCommit, this);

-

-	childSetTextArg("status", "[STATUS]", getString("status_idle"));

-

-	//childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d",sUploadAmount));

-	childSetAction("ok_btn", onUpload, this);

-	childDisable("ok_btn");

-

-	childSetAction("clear_materials", onClearMaterials, this);

-

-	childSetCommitCallback("preview_lod_combo", onPreviewLODCommit, this);

-

-	childSetCommitCallback("upload_skin", onUploadSkinCommit, this);

-	childSetCommitCallback("upload_joints", onUploadJointsCommit, this);

-

-	childSetCommitCallback("import_scale", onImportScaleCommit, this);

-

-	childSetCommitCallback("lod_file_or_limit", refresh, this);

-	childSetCommitCallback("physics_load_radio", refresh, this);

-	//childSetCommitCallback("physics_optimize", refresh, this);

-	//childSetCommitCallback("physics_use_hull", refresh, this);

-

-	childDisable("upload_skin");

-	childDisable("upload_joints");

-	childDisable("ok_btn");

-

-	mViewOptionMenuButton = getChild<LLMenuButton>("options_gear_btn");

-

-	mCommitCallbackRegistrar.add("ModelImport.ViewOption.Action", boost::bind(&LLFloaterModelPreview::onViewOptionChecked, this, _2));

-	mEnableCallbackRegistrar.add("ModelImport.ViewOption.Check", boost::bind(&LLFloaterModelPreview::isViewOptionChecked, this, _2));

-	mEnableCallbackRegistrar.add("ModelImport.ViewOption.Enabled", boost::bind(&LLFloaterModelPreview::isViewOptionEnabled, this, _2));

-

-

-

-	mViewOptionMenu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>("menu_model_import_gear_default.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());

-	mViewOptionMenuButton->setMenu(mViewOptionMenu, LLMenuButton::MP_BOTTOM_LEFT);

-

-	initDecompControls();

-

-	LLView* preview_panel = getChild<LLView>("preview_panel");

-

-	mPreviewRect = preview_panel->getRect();

-

-	mModelPreview = new LLModelPreview(512, 512, this);

-	mModelPreview->setPreviewTarget(16.f);

-

-	//set callbacks for left click on line editor rows

-	for (U32 i = 0; i <= LLModel::LOD_HIGH; i++)

-	{

-		LLTextBox* text = getChild<LLTextBox>(lod_label_name[i]);

-		if (text)

-		{

-			text->setMouseDownCallback(boost::bind(&LLModelPreview::setPreviewLOD, mModelPreview, i));

-		}

-

-		text = getChild<LLTextBox>(lod_triangles_name[i]);

-		if (text)

-		{

-			text->setMouseDownCallback(boost::bind(&LLModelPreview::setPreviewLOD, mModelPreview, i));

-		}

-

-		text = getChild<LLTextBox>(lod_vertices_name[i]);

-		if (text)

-		{

-			text->setMouseDownCallback(boost::bind(&LLModelPreview::setPreviewLOD, mModelPreview, i));

-		}

-

-		text = getChild<LLTextBox>(lod_status_name[i]);

-		if (text)

-		{

-			text->setMouseDownCallback(boost::bind(&LLModelPreview::setPreviewLOD, mModelPreview, i));

-		}

-	}

-

-	return TRUE;

-}

-

-//-----------------------------------------------------------------------------

-// LLFloaterModelPreview()

-//-----------------------------------------------------------------------------

-LLFloaterModelPreview::~LLFloaterModelPreview()

-{

-	sInstance = NULL;

-

-	if ( mModelPreview->containsRiggedAsset() )

-	{

-		gAgentAvatarp->resetJointPositions();

-	}

-

-	delete mModelPreview;

-

-	if (mGLName)

-	{

-		LLImageGL::deleteTextures(1, &mGLName );

-	}

-

-	delete mStatusLock;

-	mStatusLock = NULL;

-}

-

-void LLFloaterModelPreview::onViewOptionChecked(const LLSD& userdata)

-{

-	if (mModelPreview)

-	{

-		mModelPreview->mViewOption[userdata.asString()] = !mModelPreview->mViewOption[userdata.asString()];

-		

-		mModelPreview->refresh();

-	}

-}

-

-bool LLFloaterModelPreview::isViewOptionChecked(const LLSD& userdata)

-{

-	if (mModelPreview)

-	{

-		return mModelPreview->mViewOption[userdata.asString()];

-	}

-

-	return false;

-}

-

-bool LLFloaterModelPreview::isViewOptionEnabled(const LLSD& userdata)

-{

-	return !mViewOptionDisabled[userdata.asString()];

-}

-

-void LLFloaterModelPreview::setViewOptionEnabled(const std::string& option, bool enabled)

-{

-	mViewOptionDisabled[option] = !enabled;

-}

-

-void LLFloaterModelPreview::enableViewOption(const std::string& option)

-{

-	setViewOptionEnabled(option, true);

-}

-

-void LLFloaterModelPreview::disableViewOption(const std::string& option)

-{

-	setViewOptionEnabled(option, false);

-}

-

-void LLFloaterModelPreview::loadModel(S32 lod)

-{

-	mModelPreview->mLoading = true;

-

-	(new LLMeshFilePicker(mModelPreview, lod))->getFile();

-}

-

-//static

-void LLFloaterModelPreview::onImportScaleCommit(LLUICtrl*,void* userdata)

-{

-	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;

-

-	if (!fp->mModelPreview)

-	{

-		return;

-	}

-

-	fp->mModelPreview->calcResourceCost();

-	fp->mModelPreview->refresh();

-}

-

-//static

-void LLFloaterModelPreview::onUploadJointsCommit(LLUICtrl*,void* userdata)

-{

-	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;

-

-	if (!fp->mModelPreview)

-	{

-		return;

-	}

-

-	fp->mModelPreview->refresh();

-}

-

-//static

-void LLFloaterModelPreview::onUploadSkinCommit(LLUICtrl*,void* userdata)

-{

-	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;

-

-	if (!fp->mModelPreview)

-	{

-		return;

-	}

-

-	fp->mModelPreview->refresh();

-	fp->mModelPreview->resetPreviewTarget();

-	fp->mModelPreview->clearBuffers();

-}

-

-//static

-void LLFloaterModelPreview::onPreviewLODCommit(LLUICtrl* ctrl, void* userdata)

-{

-	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;

-

-	if (!fp->mModelPreview)

-	{

-		return;

-	}

-

-	S32 which_mode = 0;

-

-	LLComboBox* combo = (LLComboBox*) ctrl;

-

-	which_mode = (NUM_LOD-1)-combo->getFirstSelectedIndex(); // combo box list of lods is in reverse order

-

-	fp->mModelPreview->setPreviewLOD(which_mode);

-}

-

-//static

-void LLFloaterModelPreview::onGenerateNormalsCommit(LLUICtrl* ctrl, void* userdata)

-{

-	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;

-

-	fp->mModelPreview->generateNormals();

-}

-

-//static

-void LLFloaterModelPreview::onExplodeCommit(LLUICtrl* ctrl, void* userdata)

-{

-	LLFloaterModelPreview* fp = LLFloaterModelPreview::sInstance;

-

-	fp->mModelPreview->refresh();

-}

-

-//static

-void LLFloaterModelPreview::onAutoFillCommit(LLUICtrl* ctrl, void* userdata)

-{

-	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;

-

-	fp->mModelPreview->genLODs();

-}

-

-//static

-void LLFloaterModelPreview::onLODParamCommit(LLUICtrl* ctrl, void* userdata)

-{

-	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;

-	fp->mModelPreview->genLODs(fp->mModelPreview->mPreviewLOD);

-	fp->mModelPreview->updateStatusMessages();

-	fp->mModelPreview->refresh();

-}

-

-

-//-----------------------------------------------------------------------------

-// draw()

-//-----------------------------------------------------------------------------

-void LLFloaterModelPreview::draw()

-{

-	LLFloater::draw();

-	LLRect r = getRect();

-

-	mModelPreview->update();

-

-	if (!mModelPreview->mLoading)

-	{

-		childSetTextArg("status", "[STATUS]", getString("status_idle"));

-	}

-

-	childSetTextArg("prim_cost", "[PRIM_COST]", llformat("%d", mModelPreview->mResourceCost));

-	childSetTextArg("description_label", "[TEXTURES]", llformat("%d", mModelPreview->mTextureSet.size()));

-

-	if (!mCurRequest.empty())

-	{

-		LLMutexLock lock(mStatusLock);

-		childSetTextArg("status", "[STATUS]", mStatusMessage);

-	}

-

-	U32 resource_cost = mModelPreview->mResourceCost*10;

-

-	if (childGetValue("upload_textures").asBoolean())

-	{

-		resource_cost += mModelPreview->mTextureSet.size()*10;

-	}

-

-	childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d", resource_cost));

-

-	if (mModelPreview)

-	{

-		gGL.color3f(1.f, 1.f, 1.f);

-

-		gGL.getTexUnit(0)->bind(mModelPreview);

-

-

-		LLView* preview_panel = getChild<LLView>("preview_panel");

-

-		LLRect rect = preview_panel->getRect();

-		if (rect != mPreviewRect)

-		{

-			mModelPreview->refresh();

-			mPreviewRect = preview_panel->getRect();

-		}

-

-		gGL.begin( LLRender::QUADS );

-		{

-			gGL.texCoord2f(0.f, 1.f);

-			gGL.vertex2i(mPreviewRect.mLeft, mPreviewRect.mTop);

-			gGL.texCoord2f(0.f, 0.f);

-			gGL.vertex2i(mPreviewRect.mLeft, mPreviewRect.mBottom);

-			gGL.texCoord2f(1.f, 0.f);

-			gGL.vertex2i(mPreviewRect.mRight, mPreviewRect.mBottom);

-			gGL.texCoord2f(1.f, 1.f);

-			gGL.vertex2i(mPreviewRect.mRight, mPreviewRect.mTop);

-		}

-		gGL.end();

-

-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

-	}

-}

-

-//-----------------------------------------------------------------------------

-// handleMouseDown()

-//-----------------------------------------------------------------------------

-BOOL LLFloaterModelPreview::handleMouseDown(S32 x, S32 y, MASK mask)

-{

-	if (mPreviewRect.pointInRect(x, y))

-	{

-		bringToFront( x, y );

-		gFocusMgr.setMouseCapture(this);

-		gViewerWindow->hideCursor();

-		mLastMouseX = x;

-		mLastMouseY = y;

-		return TRUE;

-	}

-

-	return LLFloater::handleMouseDown(x, y, mask);

-}

-

-//-----------------------------------------------------------------------------

-// handleMouseUp()

-//-----------------------------------------------------------------------------

-BOOL LLFloaterModelPreview::handleMouseUp(S32 x, S32 y, MASK mask)

-{

-	gFocusMgr.setMouseCapture(FALSE);

-	gViewerWindow->showCursor();

-	return LLFloater::handleMouseUp(x, y, mask);

-}

-

-//-----------------------------------------------------------------------------

-// handleHover()

-//-----------------------------------------------------------------------------

-BOOL LLFloaterModelPreview::handleHover	(S32 x, S32 y, MASK mask)

-{

-	MASK local_mask = mask & ~MASK_ALT;

-

-	if (mModelPreview && hasMouseCapture())

-	{

-		if (local_mask == MASK_PAN)

-		{

-			// pan here

-			mModelPreview->pan((F32)(x - mLastMouseX) * -0.005f, (F32)(y - mLastMouseY) * -0.005f);

-		}

-		else if (local_mask == MASK_ORBIT)

-		{

-			F32 yaw_radians = (F32)(x - mLastMouseX) * -0.01f;

-			F32 pitch_radians = (F32)(y - mLastMouseY) * 0.02f;

-

-			mModelPreview->rotate(yaw_radians, pitch_radians);

-		}

-		else

-		{

-

-			F32 yaw_radians = (F32)(x - mLastMouseX) * -0.01f;

-			F32 zoom_amt = (F32)(y - mLastMouseY) * 0.02f;

-

-			mModelPreview->rotate(yaw_radians, 0.f);

-			mModelPreview->zoom(zoom_amt);

-		}

-

-

-		mModelPreview->refresh();

-

-		LLUI::setMousePositionLocal(this, mLastMouseX, mLastMouseY);

-	}

-

-	if (!mPreviewRect.pointInRect(x, y) || !mModelPreview)

-	{

-		return LLFloater::handleHover(x, y, mask);

-	}

-	else if (local_mask == MASK_ORBIT)

-	{

-		gViewerWindow->setCursor(UI_CURSOR_TOOLCAMERA);

-	}

-	else if (local_mask == MASK_PAN)

-	{

-		gViewerWindow->setCursor(UI_CURSOR_TOOLPAN);

-	}

-	else

-	{

-		gViewerWindow->setCursor(UI_CURSOR_TOOLZOOMIN);

-	}

-

-	return TRUE;

-}

-

-//-----------------------------------------------------------------------------

-// handleScrollWheel()

-//-----------------------------------------------------------------------------

-BOOL LLFloaterModelPreview::handleScrollWheel(S32 x, S32 y, S32 clicks)

-{

-	if (mPreviewRect.pointInRect(x, y) && mModelPreview)

-	{

-		mModelPreview->zoom((F32)clicks * -0.2f);

-		mModelPreview->refresh();

-	}

-

-	return TRUE;

-}

-

-//static

-void LLFloaterModelPreview::onPhysicsParamCommit(LLUICtrl* ctrl, void* data)

-{

-	if (LLConvexDecomposition::getInstance() == NULL)

-	{

-		llinfos << "convex decomposition tool is a stub on this platform. cannot get decomp." << llendl;

-		return;

-	}

-

-	if (sInstance)

-	{

-		LLCDParam* param = (LLCDParam*) data;

-		std::string name(param->mName);

-		sInstance->mDecompParams[name] = ctrl->getValue();

-

-		if (name == "Simplify Method")

-		{

-			 if (ctrl->getValue().asInteger() == 0)

-			 {

-				sInstance->childSetVisible("Retain%", true);

-				sInstance->childSetVisible("Detail Scale", false);

-			 }

-			else

-			{

-				sInstance->childSetVisible("Retain%", false);

-				sInstance->childSetVisible("Detail Scale", true);

-			}

-		}

-	}

-}

-

-//static

-void LLFloaterModelPreview::onPhysicsStageExecute(LLUICtrl* ctrl, void* data)

-{

-	LLCDStageData* stage = (LLCDStageData*) data;

-

-	if (sInstance)

-	{

-		if (!sInstance->mCurRequest.empty())

-		{

-			llinfos << "Decomposition request still pending." << llendl;

-			return;

-		}

-

-		if (sInstance->mModelPreview)

-		{

-			for (S32 i = 0; i < sInstance->mModelPreview->mModel[LLModel::LOD_PHYSICS].size(); ++i)

-			{

-				LLModel* mdl = sInstance->mModelPreview->mModel[LLModel::LOD_PHYSICS][i];

-				DecompRequest* request = new DecompRequest(stage->mName, mdl);

-				sInstance->mCurRequest.insert(request);

-				gMeshRepo.mDecompThread->submitRequest(request);

-			}

-		}

-	}

-}

-

-//static

-void LLFloaterModelPreview::onPhysicsBrowse(LLUICtrl* ctrl, void* userdata)

-{

-	sInstance->loadModel(LLModel::LOD_PHYSICS);

-}

-

-//static

-void LLFloaterModelPreview::onPhysicsUseLOD(LLUICtrl* ctrl, void* userdata)

-{

-	S32 which_mode = 3;

-	LLCtrlSelectionInterface* iface = sInstance->childGetSelectionInterface("physics_lod_combo");

-	if (iface)

-	{

-		which_mode = iface->getFirstSelectedIndex();

-	}

-

-	sInstance->mModelPreview->setPhysicsFromLOD(which_mode);

-}

-

-//static

-void LLFloaterModelPreview::onPhysicsStageCancel(LLUICtrl* ctrl, void*data)

-{

-	if (sInstance)

-	{

-		for (std::set<LLPointer<DecompRequest> >::iterator iter = sInstance->mCurRequest.begin();

-			iter != sInstance->mCurRequest.end(); ++iter)

-		{

-		    DecompRequest* req = *iter;

-		    req->mContinue = 0;

-		}

-	}

-}

-

-void LLFloaterModelPreview::initDecompControls()

-{

-	LLSD key;

-

-	childSetCommitCallback("cancel_btn", onPhysicsStageCancel, NULL);

-	childSetCommitCallback("physics_lod_combo", onPhysicsUseLOD, NULL);

-	childSetCommitCallback("physics_browse", onPhysicsBrowse, NULL);

-

-	static const LLCDStageData* stage = NULL;

-	static S32 stage_count = 0;

-

-	if (!stage && LLConvexDecomposition::getInstance() != NULL)

-	{

-		stage_count = LLConvexDecomposition::getInstance()->getStages(&stage);

-	}

-

-	static const LLCDParam* param = NULL;

-	static S32 param_count = 0;

-	if (!param && LLConvexDecomposition::getInstance() != NULL)

-	{

-		param_count = LLConvexDecomposition::getInstance()->getParameters(&param);

-	}

-

-	for (S32 j = stage_count-1; j >= 0; --j)

-	{

-		LLButton* button = getChild<LLButton>(stage[j].mName);

-		if (button)

-		{

-			button->setCommitCallback(onPhysicsStageExecute, (void*) &stage[j]);

-		}

-

-		gMeshRepo.mDecompThread->mStageID[stage[j].mName] = j;

-		// protected against stub by stage_count being 0 for stub above

-		LLConvexDecomposition::getInstance()->registerCallback(j, LLPhysicsDecomp::llcdCallback);

-

-		//llinfos << "Physics decomp stage " << stage[j].mName << " (" << j << ") parameters:" << llendl;

-		//llinfos << "------------------------------------" << llendl;

-

-		for (S32 i = 0; i < param_count; ++i)

-		{

-			if (param[i].mStage != j)

-			{

-				continue;

-			}

-

-			std::string name(param[i].mName ? param[i].mName : "");

-			std::string description(param[i].mDescription ? param[i].mDescription : "");

-

-			std::string type = "unknown";

-

-			llinfos << name << " - " << description << llendl;

-

-			if (param[i].mType == LLCDParam::LLCD_FLOAT)

-			{

-				mDecompParams[param[i].mName] = LLSD(param[i].mDefault.mFloat);

-				//llinfos << "Type: float, Default: " << param[i].mDefault.mFloat << llendl;

-

-				LLSliderCtrl* slider = getChild<LLSliderCtrl>(name);

-				if (slider)

-				{

-					slider->setMinValue(param[i].mDetails.mRange.mLow.mFloat);

-					slider->setMaxValue(param[i].mDetails.mRange.mHigh.mFloat);

-					slider->setIncrement(param[i].mDetails.mRange.mDelta.mFloat);

-					slider->setValue(param[i].mDefault.mFloat);

-					slider->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);

-				}

-			}

-			else if (param[i].mType == LLCDParam::LLCD_INTEGER)

-			{

-				mDecompParams[param[i].mName] = LLSD(param[i].mDefault.mIntOrEnumValue);

-				//llinfos << "Type: integer, Default: " << param[i].mDefault.mIntOrEnumValue << llendl;

-

-				LLSliderCtrl* slider = getChild<LLSliderCtrl>(name);

-				if (slider)

-				{

-					slider->setMinValue(param[i].mDetails.mRange.mLow.mIntOrEnumValue);

-					slider->setMaxValue(param[i].mDetails.mRange.mHigh.mIntOrEnumValue);

-					slider->setIncrement(param[i].mDetails.mRange.mDelta.mIntOrEnumValue);

-					slider->setValue(param[i].mDefault.mIntOrEnumValue);

-					slider->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);

-				}

-			}

-			else if (param[i].mType == LLCDParam::LLCD_BOOLEAN)

-			{

-				mDecompParams[param[i].mName] = LLSD(param[i].mDefault.mBool);

-				//llinfos << "Type: boolean, Default: " << (param[i].mDefault.mBool ? "True" : "False") << llendl;

-

-				LLCheckBoxCtrl* check_box = getChild<LLCheckBoxCtrl>(name);

-				if (check_box)

-				{

-					check_box->setValue(param[i].mDefault.mBool);

-					check_box->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);

-				}

-			}

-			else if (param[i].mType == LLCDParam::LLCD_ENUM)

-			{

-				mDecompParams[param[i].mName] = LLSD(param[i].mDefault.mIntOrEnumValue);

-				//llinfos << "Type: enum, Default: " << param[i].mDefault.mIntOrEnumValue << llendl;

-

-				{ //plug into combo box

-

-					//llinfos << "Accepted values: " << llendl;

-					LLComboBox* combo_box = getChild<LLComboBox>(name);

-					for (S32 k = 0; k < param[i].mDetails.mEnumValues.mNumEnums; ++k)

-					{

-						//llinfos << param[i].mDetails.mEnumValues.mEnumsArray[k].mValue

-						//	<< " - " << param[i].mDetails.mEnumValues.mEnumsArray[k].mName << llendl;

-

-						combo_box->add(param[i].mDetails.mEnumValues.mEnumsArray[k].mName,

-							LLSD::Integer(param[i].mDetails.mEnumValues.mEnumsArray[k].mValue));

-					}

-					combo_box->setValue(param[i].mDefault.mIntOrEnumValue);

-					combo_box->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);

-				}

-

-				//llinfos << "----" << llendl;

-			}

-			//llinfos << "-----------------------------" << llendl;

-		}

-	}

-

-	childSetCommitCallback("physics_explode", LLFloaterModelPreview::onExplodeCommit, this);

-}

-

-//-----------------------------------------------------------------------------

-// onMouseCaptureLost()

-//-----------------------------------------------------------------------------

-// static

-void LLFloaterModelPreview::onMouseCaptureLostModelPreview(LLMouseHandler* handler)

-{

-	gViewerWindow->showCursor();

-}

-

-//-----------------------------------------------------------------------------

-// LLModelLoader

-//-----------------------------------------------------------------------------

-LLModelLoader::LLModelLoader(std::string filename, S32 lod, LLModelPreview* preview)

-: LLThread("Model Loader"), mFilename(filename), mLod(lod), mPreview(preview), mState(STARTING), mFirstTransform(TRUE)

-{

-	mJointMap["mPelvis"] = "mPelvis";

-	mJointMap["mTorso"] = "mTorso";

-	mJointMap["mChest"] = "mChest";

-	mJointMap["mNeck"] = "mNeck";

-	mJointMap["mHead"] = "mHead";

-	mJointMap["mSkull"] = "mSkull";

-	mJointMap["mEyeRight"] = "mEyeRight";

-	mJointMap["mEyeLeft"] = "mEyeLeft";

-	mJointMap["mCollarLeft"] = "mCollarLeft";

-	mJointMap["mShoulderLeft"] = "mShoulderLeft";

-	mJointMap["mElbowLeft"] = "mElbowLeft";

-	mJointMap["mWristLeft"] = "mWristLeft";

-	mJointMap["mCollarRight"] = "mCollarRight";

-	mJointMap["mShoulderRight"] = "mShoulderRight";

-	mJointMap["mElbowRight"] = "mElbowRight";

-	mJointMap["mWristRight"] = "mWristRight";

-	mJointMap["mHipRight"] = "mHipRight";

-	mJointMap["mKneeRight"] = "mKneeRight";

-	mJointMap["mAnkleRight"] = "mAnkleRight";

-	mJointMap["mFootRight"] = "mFootRight";

-	mJointMap["mToeRight"] = "mToeRight";

-	mJointMap["mHipLeft"] = "mHipLeft";

-	mJointMap["mKneeLeft"] = "mKneeLeft";

-	mJointMap["mAnkleLeft"] = "mAnkleLeft";

-	mJointMap["mFootLeft"] = "mFootLeft";

-	mJointMap["mToeLeft"] = "mToeLeft";

-

-	mJointMap["avatar_mPelvis"] = "mPelvis";

-	mJointMap["avatar_mTorso"] = "mTorso";

-	mJointMap["avatar_mChest"] = "mChest";

-	mJointMap["avatar_mNeck"] = "mNeck";

-	mJointMap["avatar_mHead"] = "mHead";

-	mJointMap["avatar_mSkull"] = "mSkull";

-	mJointMap["avatar_mEyeRight"] = "mEyeRight";

-	mJointMap["avatar_mEyeLeft"] = "mEyeLeft";

-	mJointMap["avatar_mCollarLeft"] = "mCollarLeft";

-	mJointMap["avatar_mShoulderLeft"] = "mShoulderLeft";

-	mJointMap["avatar_mElbowLeft"] = "mElbowLeft";

-	mJointMap["avatar_mWristLeft"] = "mWristLeft";

-	mJointMap["avatar_mCollarRight"] = "mCollarRight";

-	mJointMap["avatar_mShoulderRight"] = "mShoulderRight";

-	mJointMap["avatar_mElbowRight"] = "mElbowRight";

-	mJointMap["avatar_mWristRight"] = "mWristRight";

-	mJointMap["avatar_mHipRight"] = "mHipRight";

-	mJointMap["avatar_mKneeRight"] = "mKneeRight";

-	mJointMap["avatar_mAnkleRight"] = "mAnkleRight";

-	mJointMap["avatar_mFootRight"] = "mFootRight";

-	mJointMap["avatar_mToeRight"] = "mToeRight";

-	mJointMap["avatar_mHipLeft"] = "mHipLeft";

-	mJointMap["avatar_mKneeLeft"] = "mKneeLeft";

-	mJointMap["avatar_mAnkleLeft"] = "mAnkleLeft";

-	mJointMap["avatar_mFootLeft"] = "mFootLeft";

-	mJointMap["avatar_mToeLeft"] = "mToeLeft";

-

-

-	mJointMap["hip"] = "mPelvis";

-	mJointMap["abdomen"] = "mTorso";

-	mJointMap["chest"] = "mChest";

-	mJointMap["neck"] = "mNeck";

-	mJointMap["head"] = "mHead";

-	mJointMap["figureHair"] = "mSkull";

-	mJointMap["lCollar"] = "mCollarLeft";

-	mJointMap["lShldr"] = "mShoulderLeft";

-	mJointMap["lForeArm"] = "mElbowLeft";

-	mJointMap["lHand"] = "mWristLeft";

-	mJointMap["rCollar"] = "mCollarRight";

-	mJointMap["rShldr"] = "mShoulderRight";

-	mJointMap["rForeArm"] = "mElbowRight";

-	mJointMap["rHand"] = "mWristRight";

-	mJointMap["rThigh"] = "mHipRight";

-	mJointMap["rShin"] = "mKneeRight";

-	mJointMap["rFoot"] = "mFootRight";

-	mJointMap["lThigh"] = "mHipLeft";

-	mJointMap["lShin"] = "mKneeLeft";

-	mJointMap["lFoot"] = "mFootLeft";

-}

-

-void stretch_extents(LLModel* model, LLMatrix4a& mat, LLVector4a& min, LLVector4a& max, BOOL& first_transform)

-{

-	LLVector4a box[] =

-	{

-		LLVector4a(-1, 1,-1),

-		LLVector4a(-1, 1, 1),

-		LLVector4a(-1,-1,-1),

-		LLVector4a(-1,-1, 1),

-		LLVector4a( 1, 1,-1),

-		LLVector4a( 1, 1, 1),

-		LLVector4a( 1,-1,-1),

-		LLVector4a( 1,-1, 1),

-	};

-

-	for (S32 j = 0; j < model->getNumVolumeFaces(); ++j)

-	{

-		const LLVolumeFace& face = model->getVolumeFace(j);

-

-		LLVector4a center;

-		center.setAdd(face.mExtents[0], face.mExtents[1]);

-		center.mul(0.5f);

-		LLVector4a size;

-		size.setSub(face.mExtents[1],face.mExtents[0]);

-		size.mul(0.5f);

-

-		for (U32 i = 0; i < 8; i++)

-		{

-			LLVector4a t;

-			t.setMul(size, box[i]);

-			t.add(center);

-

-			LLVector4a v;

-

-			mat.affineTransform(t, v);

-

-			if (first_transform)

-			{

-				first_transform = FALSE;

-				min = max = v;

-			}

-			else

-			{

-				update_min_max(min, max, v);

-			}

-		}

-	}

-}

-

-void stretch_extents(LLModel* model, LLMatrix4& mat, LLVector3& min, LLVector3& max, BOOL& first_transform)

-{

-	LLVector4a mina, maxa;

-	LLMatrix4a mata;

-

-	mata.loadu(mat);

-	mina.load3(min.mV);

-	maxa.load3(max.mV);

-

-	stretch_extents(model, mata, mina, maxa, first_transform);

-

-	min.set(mina.getF32ptr());

-	max.set(maxa.getF32ptr());

-}

-

-void LLModelLoader::run()

-{

-	DAE dae;

-	domCOLLADA* dom = dae.open(mFilename);

-

-	if (dom)

-	{

-		daeDatabase* db = dae.getDatabase();

-

-		daeInt count = db->getElementCount(NULL, COLLADA_TYPE_MESH);

-

-		daeDocument* doc = dae.getDoc(mFilename);

-		if (!doc)

-		{

-			llwarns << "can't find internal doc" << llendl;

-			return;

-		}

-

-		daeElement* root = doc->getDomRoot();

-		if (!root)

-		{

-			llwarns << "document has no root" << llendl;

-			return;

-		}

-

-		//get unit scale

-		mTransform.setIdentity();

-

-		domAsset::domUnit* unit = daeSafeCast<domAsset::domUnit>(root->getDescendant(daeElement::matchType(domAsset::domUnit::ID())));

-

-		if (unit)

-		{

-			F32 meter = unit->getMeter();

-			mTransform.mMatrix[0][0] = meter;

-			mTransform.mMatrix[1][1] = meter;

-			mTransform.mMatrix[2][2] = meter;

-		}

-

-		//get up axis rotation

-		LLMatrix4 rotation;

-

-		domUpAxisType up = UPAXISTYPE_Y_UP;  // default is Y_UP

-		domAsset::domUp_axis* up_axis =

-		daeSafeCast<domAsset::domUp_axis>(root->getDescendant(daeElement::matchType(domAsset::domUp_axis::ID())));

-

-		if (up_axis)

-		{

-			up = up_axis->getValue();

-		}

-

-		if (up == UPAXISTYPE_X_UP)

-		{

-			rotation.initRotation(0.0f, 90.0f * DEG_TO_RAD, 0.0f);

-		}

-		else if (up == UPAXISTYPE_Y_UP)

-		{

-			rotation.initRotation(90.0f * DEG_TO_RAD, 0.0f, 0.0f);

-		}

-

-		rotation *= mTransform;

-		mTransform = rotation;

-

-

-		for (daeInt idx = 0; idx < count; ++idx)

-		{ //build map of domEntities to LLModel

-			domMesh* mesh = NULL;

-			db->getElement((daeElement**) &mesh, idx, NULL, COLLADA_TYPE_MESH);

-

-			if (mesh)

-			{

-				LLPointer<LLModel> model = LLModel::loadModelFromDomMesh(mesh);

-

-				if (model.notNull() && validate_model(model))

-				{

-					mModelList.push_back(model);

-					mModel[mesh] = model;

-				}

-			}

-		}

-

-		count = db->getElementCount(NULL, COLLADA_TYPE_SKIN);

-		for (daeInt idx = 0; idx < count; ++idx)

-		{ //add skinned meshes as instances

-			domSkin* skin = NULL;

-			db->getElement((daeElement**) &skin, idx, NULL, COLLADA_TYPE_SKIN);

-

-			if (skin)

-			{

-				domGeometry* geom = daeSafeCast<domGeometry>(skin->getSource().getElement());

-

-				if (geom)

-				{

-					domMesh* mesh = geom->getMesh();

-					if (mesh)

-					{

-						LLModel* model = mModel[mesh];

-						if (model)

-						{

-							LLVector3 mesh_scale_vector;

-							LLVector3 mesh_translation_vector;

-							model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);

-

-							LLMatrix4 normalized_transformation;

-							normalized_transformation.setTranslation(mesh_translation_vector);

-

-							LLMatrix4 mesh_scale;

-							mesh_scale.initScale(mesh_scale_vector);

-							mesh_scale *= normalized_transformation;

-							normalized_transformation = mesh_scale;

-

-							glh::matrix4f inv_mat((F32*) normalized_transformation.mMatrix);

-							inv_mat = inv_mat.inverse();

-							LLMatrix4 inverse_normalized_transformation(inv_mat.m);

-

-							domSkin::domBind_shape_matrix* bind_mat = skin->getBind_shape_matrix();

-

-							if (bind_mat)

-							{ //get bind shape matrix

-								domFloat4x4& dom_value = bind_mat->getValue();

-

-								for (int i = 0; i < 4; i++)

-								{

-									for(int j = 0; j < 4; j++)

-									{

-										model->mBindShapeMatrix.mMatrix[i][j] = dom_value[i + j*4];

-									}

-								}

-

-								LLMatrix4 trans = normalized_transformation;

-								trans *= model->mBindShapeMatrix;

-								model->mBindShapeMatrix = trans;

-

-							}

-

-

-							//The joint transfom map that we'll populate below

-							std::map<std::string,LLMatrix4> jointTransforms;

-							jointTransforms.clear();

-

-							//Some collada setup for accessing the skeleton

-							daeElement* pElement = 0;

-							dae.getDatabase()->getElement( &pElement, 0, 0, "skeleton" );

-

-							//Try to get at the skeletal instance controller

-							domInstance_controller::domSkeleton* pSkeleton = daeSafeCast<domInstance_controller::domSkeleton>( pElement );

-							bool missingSkeletonOrScene = false;

-

-							//If no skeleton, do a breadth-first search to get at specific joints

-							if ( !pSkeleton )

-							{

-								daeElement* pScene = root->getDescendant("visual_scene");

-								if ( !pScene )

-								{

-									llwarns<<"No visual scene - unable to parse bone offsets "<<llendl;

-									missingSkeletonOrScene = true;

-								}

-								else

-								{

-									//Get the children at this level

-									daeTArray< daeSmartRef<daeElement> > children = pScene->getChildren();

-									S32 childCount = children.getCount();

-

-									//Process any children that are joints

-									//Not all children are joints, some code be ambient lights, cameras, geometry etc..

-									for (S32 i = 0; i < childCount; ++i)

-									{

-										domNode* pNode = daeSafeCast<domNode>(children[i]);

-										if ( isNodeAJoint( pNode ) )

-										{

-											processJointNode( pNode, jointTransforms );

-										}

-									}

-								}

-							}

-							else

-							//Has Skeleton

-							{

-								//Get the root node of the skeleton

-								daeElement* pSkeletonRootNode = pSkeleton->getValue().getElement();

-								if ( pSkeletonRootNode )

-								{

-									//Once we have the root node - start acccessing it's joint components

-									const int jointCnt = mJointMap.size();

-									std::map<std::string, std::string> :: const_iterator jointIt = mJointMap.begin();

-

-									//Loop over all the possible joints within the .dae - using the allowed joint list in the ctor.

-									for ( int i=0; i<jointCnt; ++i, ++jointIt )

-									{

-										//Build a joint for the resolver to work with

-										char str[64]={0};

-										sprintf(str,"./%s",(*jointIt).second.c_str() );

-										//llwarns<<"Joint "<< str <<llendl;

-

-										//Setup the resolver

-                                        daeSIDResolver resolver( pSkeletonRootNode, str );

-

-                                        //Look for the joint

-                                        domNode* pJoint = daeSafeCast<domNode>( resolver.getElement() );

-                                        if ( pJoint )

-                                        {

-											//Pull out the translate id and store it in the jointTranslations map

-											daeSIDResolver jointResolver( pJoint, "./translate" );

-											domTranslate* pTranslate = daeSafeCast<domTranslate>( jointResolver.getElement() );

-

-											LLMatrix4 workingTransform;

-

-											//Translation via SID

-											if ( pTranslate )

-											{

-												extractTranslation( pTranslate, workingTransform );

-											}

-											else

-											{

-												//Translation via child from element

-												daeElement* pTranslateElement = getChildFromElement( pJoint, "translate" );

-												if ( pTranslateElement && pTranslateElement->typeID() != domTranslate::ID() )

-												{

-													llwarns<< "The found element is not a translate node" <<llendl;

-													missingSkeletonOrScene = true;

-												}

-												else

-												{

-													extractTranslationViaElement( pTranslateElement, workingTransform );

-												}

-											}

-

-											//Store the joint transform w/respect to it's name.

-											jointTransforms[(*jointIt).second.c_str()] = workingTransform;

-                                        }

-									}

-

-									//If anything failed in regards to extracting the skeleton, joints or translation id,

-									//mention it

-									if ( missingSkeletonOrScene  )

-									{

-										llwarns<< "Partial jointmap found in asset - did you mean to just have a partial map?" << llendl;

-									}

-								}//got skeleton?

-							}

-

-							if ( !missingSkeletonOrScene )

-							{

-								//Set the joint translations on the avatar

-								//The joints are reset in the dtor

-								const int jointCnt = mJointMap.size();

-								std::map<std::string, std::string> :: const_iterator jointIt = mJointMap.begin();

-								for ( int i=0; i<jointCnt; ++i, ++jointIt )

-								{

-									std::string lookingForJoint = (*jointIt).first.c_str();

-									if ( jointTransforms.find( lookingForJoint ) != jointTransforms.end() )

-									{

-										LLMatrix4 jointTransform = jointTransforms[lookingForJoint];

-										LLJoint* pJoint = gAgentAvatarp->getJoint( lookingForJoint );

-										if ( pJoint )

-										{

-											pJoint->storeCurrentXform( jointTransform.getTranslation() );

-										}

-										else

-										{

-											//Most likely an error in the asset.

-											llwarns<<"Tried to apply joint position from .dae, but it did not exist in the avatar rig." << llendl;

-										}

-										//Reposition the avatars pelvis (avPos+offset)

-										//if ( lookingForJoint == "mPelvis" )

-										//{

-										//	const LLVector3& pos = gAgentAvatarp->getCharacterPosition();

-										//	gAgentAvatarp->setPelvisOffset( true, jointTransform.getTranslation() );

-										//	gAgentAvatarp->setPosition( pos + jointTransform.getTranslation() );

-										//}

-									}

-								}

-							} //missingSkeletonOrScene

-

-							domSkin::domJoints* joints = skin->getJoints();

-

-							domInputLocal_Array& joint_input = joints->getInput_array();

-

-							for (size_t i = 0; i < joint_input.getCount(); ++i)

-							{

-								domInputLocal* input = joint_input.get(i);

-								xsNMTOKEN semantic = input->getSemantic();

-

-								if (strcmp(semantic, COMMON_PROFILE_INPUT_JOINT) == 0)

-								{ //found joint source, fill model->mJointMap and model->mJointList

-									daeElement* elem = input->getSource().getElement();

-

-									domSource* source = daeSafeCast<domSource>(elem);

-									if (source)

-									{

-

-

-										domName_array* names_source = source->getName_array();

-

-										if (names_source)

-										{

-											domListOfNames &names = names_source->getValue();

-

-											for (size_t j = 0; j < names.getCount(); ++j)

-											{

-												std::string name(names.get(j));

-												if (mJointMap.find(name) != mJointMap.end())

-												{

-													name = mJointMap[name];

-												}

-												model->mJointList.push_back(name);

-												model->mJointMap[name] = j;

-											}

-										}

-										else

-										{

-											domIDREF_array* names_source = source->getIDREF_array();

-											if (names_source)

-											{

-												xsIDREFS& names = names_source->getValue();

-

-												for (size_t j = 0; j < names.getCount(); ++j)

-												{

-													std::string name(names.get(j).getID());

-													if (mJointMap.find(name) != mJointMap.end())

-													{

-														name = mJointMap[name];

-													}

-													model->mJointList.push_back(name);

-													model->mJointMap[name] = j;

-												}

-											}

-										}

-									}

-								}

-								else if (strcmp(semantic, COMMON_PROFILE_INPUT_INV_BIND_MATRIX) == 0)

-								{ //found inv_bind_matrix array, fill model->mInvBindMatrix

-									domSource* source = daeSafeCast<domSource>(input->getSource().getElement());

-									if (source)

-									{

-										domFloat_array* t = source->getFloat_array();

-										if (t)

-										{

-											domListOfFloats& transform = t->getValue();

-											S32 count = transform.getCount()/16;

-

-											for (S32 k = 0; k < count; ++k)

-											{

-												LLMatrix4 mat;

-

-												for (int i = 0; i < 4; i++)

-												{

-													for(int j = 0; j < 4; j++)

-													{

-														mat.mMatrix[i][j] = transform[k*16 + i + j*4];

-													}

-												}

-

-												model->mInvBindMatrix.push_back(mat);

-											}

-										}

-									}

-								}

-							}

-

-							//We need to construct the alternate bind matrix (which contains the new joint positions)

-							//in the same order as they were stored in the joint buffer. The joints associated

-							//with the skeleton are not stored in the same order as they are in the exported joint buffer.

-							//This remaps the skeletal joints to be in the same order as the joints stored in the model.

-							std::vector<std::string> :: const_iterator jointIt  = model->mJointList.begin();

-							const int jointCnt = model->mJointList.size();

-							for ( int i=0; i<jointCnt; ++i, ++jointIt )

-							{

-								std::string lookingForJoint = (*jointIt).c_str();

-								//Look for the joint xform that we extracted from the skeleton, using the jointIt as the key

-								//and store it in the alternate bind matrix

-								if ( jointTransforms.find( lookingForJoint ) != jointTransforms.end() )

-								{

-									LLMatrix4 jointTransform = jointTransforms[lookingForJoint];

-									LLMatrix4 newInverse = model->mInvBindMatrix[i];

-									newInverse.setTranslation( jointTransforms[lookingForJoint].getTranslation() );

-									model->mAlternateBindMatrix.push_back( newInverse );

-								}

-								else

-								{

-									llwarns<<"Possibly misnamed/missing joint [" <<lookingForJoint.c_str()<<" ] "<<llendl;

-								}

-							}

-

-							//grab raw position array

-

-							domVertices* verts = mesh->getVertices();

-							if (verts)

-							{

-								domInputLocal_Array& inputs = verts->getInput_array();

-								for (size_t i = 0; i < inputs.getCount() && model->mPosition.empty(); ++i)

-								{

-									if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_POSITION) == 0)

-									{

-										domSource* pos_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement());

-										if (pos_source)

-										{

-											domFloat_array* pos_array = pos_source->getFloat_array();

-											if (pos_array)

-											{

-												domListOfFloats& pos = pos_array->getValue();

-

-												for (size_t j = 0; j < pos.getCount(); j += 3)

-												{

-													if (pos.getCount() <= j+2)

-													{

-														llerrs << "WTF?" << llendl;

-													}

-

-													LLVector3 v(pos[j], pos[j+1], pos[j+2]);

-

-													//transform from COLLADA space to volume space

-													v = v * inverse_normalized_transformation;

-

-													model->mPosition.push_back(v);

-												}

-											}

-										}

-									}

-								}

-							}

-

-							//grab skin weights array

-							domSkin::domVertex_weights* weights = skin->getVertex_weights();

-							if (weights)

-							{

-								domInputLocalOffset_Array& inputs = weights->getInput_array();

-								domFloat_array* vertex_weights = NULL;

-								for (size_t i = 0; i < inputs.getCount(); ++i)

-								{

-									if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_WEIGHT) == 0)

-									{

-										domSource* weight_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement());

-										if (weight_source)

-										{

-											vertex_weights = weight_source->getFloat_array();

-										}

-									}

-								}

-

-								if (vertex_weights)

-								{

-									domListOfFloats& w = vertex_weights->getValue();

-									domListOfUInts& vcount = weights->getVcount()->getValue();

-									domListOfInts& v = weights->getV()->getValue();

-

-									U32 c_idx = 0;

-									for (size_t vc_idx = 0; vc_idx < vcount.getCount(); ++vc_idx)

-									{ //for each vertex

-										daeUInt count = vcount[vc_idx];

-

-										//create list of weights that influence this vertex

-										LLModel::weight_list weight_list;

-

-										for (daeUInt i = 0; i < count; ++i)

-										{ //for each weight

-											daeInt joint_idx = v[c_idx++];

-											daeInt weight_idx = v[c_idx++];

-

-											if (joint_idx == -1)

-											{

-												//ignore bindings to bind_shape_matrix

-												continue;

-											}

-

-											F32 weight_value = w[weight_idx];

-

-											weight_list.push_back(LLModel::JointWeight(joint_idx, weight_value));

-										}

-

-										//sort by joint weight

-										std::sort(weight_list.begin(), weight_list.end(), LLModel::CompareWeightGreater());

-

-										std::vector<LLModel::JointWeight> wght;

-

-										F32 total = 0.f;

-

-										for (U32 i = 0; i < llmin((U32) 4, (U32) weight_list.size()); ++i)

-										{ //take up to 4 most significant weights

-											if (weight_list[i].mWeight > 0.f)

-											{

-												wght.push_back( weight_list[i] );

-												total += weight_list[i].mWeight;

-											}

-										}

-

-										F32 scale = 1.f/total;

-										if (scale != 1.f)

-										{ //normalize weights

-											for (U32 i = 0; i < wght.size(); ++i)

-											{

-												wght[i].mWeight *= scale;

-											}

-										}

-

-										model->mSkinWeights[model->mPosition[vc_idx]] = wght;

-									}

-

-									//add instance to scene for this model

-

-									LLMatrix4 transformation = mTransform;

-									// adjust the transformation to compensate for mesh normalization

-									

-									LLMatrix4 mesh_translation;

-									mesh_translation.setTranslation(mesh_translation_vector);

-									mesh_translation *= transformation;

-									transformation = mesh_translation;

-

-									LLMatrix4 mesh_scale;

-									mesh_scale.initScale(mesh_scale_vector);

-									mesh_scale *= transformation;

-									transformation = mesh_scale;

-

-									std::vector<LLImportMaterial> materials;

-									materials.resize(model->getNumVolumeFaces());

-									mScene[transformation].push_back(LLModelInstance(model, transformation, materials));

-									stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform);

-								}

-							}

-						}

-					}

-				}

-			}

-		}

-

-		daeElement* scene = root->getDescendant("visual_scene");

-

-		if (!scene)

-		{

-			llwarns << "document has no visual_scene" << llendl;

-			setLoadState( ERROR_PARSING );

-			return;

-		}

-

-		processElement(scene);

-

-		doOnIdleOneTime(boost::bind(&LLModelPreview::loadModelCallback,mPreview,mLod));

-	}

-}

-

-bool LLModelLoader::isNodeAJoint( domNode* pNode )

-{

-	if ( pNode->getName() == NULL)

-	{

-		return false;

-	}

-

-	if ( mJointMap.find( pNode->getName() )  != mJointMap.end() )

-	{

-		return true;

-	}

-

-	return false;

-}

-

-void LLModelLoader::extractTranslation( domTranslate* pTranslate, LLMatrix4& transform )

-{

-	domFloat3 jointTrans = pTranslate->getValue();

-	LLVector3 singleJointTranslation( jointTrans[0], jointTrans[1], jointTrans[2] );

-	transform.setTranslation( singleJointTranslation );

-}

-

-void LLModelLoader::extractTranslationViaElement( daeElement* pTranslateElement, LLMatrix4& transform )

-{

-	domTranslate* pTranslateChild = dynamic_cast<domTranslate*>( pTranslateElement );

-	domFloat3 translateChild = pTranslateChild->getValue();

-	LLVector3 singleJointTranslation( translateChild[0], translateChild[1], translateChild[2] );

-	transform.setTranslation( singleJointTranslation );

-}

-

-void LLModelLoader::processJointNode( domNode* pNode, std::map<std::string,LLMatrix4>& jointTransforms )

-{

-	if (pNode->getName() == NULL)

-	{

-		llwarns << "nameless node, can't process" << llendl;

-		return;

-	}

-

-	//llwarns<<"ProcessJointNode# Node:" <<pNode->getName()<<llendl;

-

-	//1. handle the incoming node - extract out translation via SID or element

-

-	LLMatrix4 workingTransform;

-

-	//Pull out the translate id and store it in the jointTranslations map

-	daeSIDResolver jointResolver( pNode, "./translate" );

-	domTranslate* pTranslate = daeSafeCast<domTranslate>( jointResolver.getElement() );

-

-	//Translation via SID was successful

-	if ( pTranslate )

-	{

-		extractTranslation( pTranslate, workingTransform );

-	}

-	else

-	{

-		//Translation via child from element

-		daeElement* pTranslateElement = getChildFromElement( pNode, "translate" );

-		if ( !pTranslateElement || pTranslateElement->typeID() != domTranslate::ID() )

-		{

-			llwarns<< "The found element is not a translate node" <<llendl;

-		}

-		else

-		{

-			extractTranslationViaElement( pTranslateElement, workingTransform );

-		}

-	}

-

-	//Store the working transform relative to the nodes name.

-	jointTransforms[ pNode->getName() ] = workingTransform;

-

-	//2. handle the nodes children

-

-	//Gather and handle the incoming nodes children

-	daeTArray< daeSmartRef<daeElement> > childOfChild = pNode->getChildren();

-	S32 childOfChildCount = childOfChild.getCount();

-

-	for (S32 i = 0; i < childOfChildCount; ++i)

-	{

-		domNode* pChildNode = daeSafeCast<domNode>( childOfChild[i] );

-		if ( pChildNode )

-		{

-			processJointNode( pChildNode, jointTransforms );

-		}

-	}

-}

-

-daeElement* LLModelLoader::getChildFromElement( daeElement* pElement, std::string const & name )

-{

-    daeElement* pChildOfElement = pElement->getChild( name.c_str() );

-	if ( pChildOfElement )

-	{

-		return pChildOfElement;

-	}

-	llwarns<< "Could not find a child [" << name << "] for the element: \"" << pElement->getAttribute("id") << "\"" << llendl;

-    return NULL;

-}

-

-void LLModelLoader::processElement(daeElement* element)

-{

-	LLMatrix4 saved_transform = mTransform;

-

-	domTranslate* translate = daeSafeCast<domTranslate>(element);

-	if (translate)

-	{

-		domFloat3 dom_value = translate->getValue();

-

-		LLMatrix4 translation;

-		translation.setTranslation(LLVector3(dom_value[0], dom_value[1], dom_value[2]));

-

-		translation *= mTransform;

-		mTransform = translation;

-	}

-

-	domRotate* rotate = daeSafeCast<domRotate>(element);

-	if (rotate)

-	{

-		domFloat4 dom_value = rotate->getValue();

-

-		LLMatrix4 rotation;

-		rotation.initRotTrans(dom_value[3] * DEG_TO_RAD, LLVector3(dom_value[0], dom_value[1], dom_value[2]), LLVector3(0, 0, 0));

-

-		rotation *= mTransform;

-		mTransform = rotation;

-	}

-

-	domScale* scale = daeSafeCast<domScale>(element);

-	if (scale)

-	{

-		domFloat3 dom_value = scale->getValue();

-

-		LLMatrix4 scaling;

-		scaling.initScale(LLVector3(dom_value[0], dom_value[1], dom_value[2]));

-

-		scaling *= mTransform;

-		mTransform = scaling;

-	}

-

-	domMatrix* matrix = daeSafeCast<domMatrix>(element);

-	if (matrix)

-	{

-		domFloat4x4 dom_value = matrix->getValue();

-

-		LLMatrix4 matrix_transform;

-

-		for (int i = 0; i < 4; i++)

-		{

-			for(int j = 0; j < 4; j++)

-			{

-				matrix_transform.mMatrix[i][j] = dom_value[i + j*4];

-			}

-		}

-

-		matrix_transform *= mTransform;

-		mTransform = matrix_transform;

-	}

-

-	domInstance_geometry* instance_geo = daeSafeCast<domInstance_geometry>(element);

-	if (instance_geo)

-	{

-		domGeometry* geo = daeSafeCast<domGeometry>(instance_geo->getUrl().getElement());

-		if (geo)

-		{

-			domMesh* mesh = daeSafeCast<domMesh>(geo->getDescendant(daeElement::matchType(domMesh::ID())));

-			if (mesh)

-			{

-				LLModel* model = mModel[mesh];

-				if (model)

-				{

-					LLMatrix4 transformation = mTransform;

-

-					std::vector<LLImportMaterial> materials = getMaterials(model, instance_geo);

-

-					// adjust the transformation to compensate for mesh normalization

-					LLVector3 mesh_scale_vector;

-					LLVector3 mesh_translation_vector;

-					model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);

-

-					LLMatrix4 mesh_translation;

-					mesh_translation.setTranslation(mesh_translation_vector);

-					mesh_translation *= transformation;

-					transformation = mesh_translation;

-

-					LLMatrix4 mesh_scale;

-					mesh_scale.initScale(mesh_scale_vector);

-					mesh_scale *= transformation;

-					transformation = mesh_scale;

-

-					mScene[transformation].push_back(LLModelInstance(model, transformation, materials));

-

-					stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform);

-				}

-			}

-		}

-	}

-

-	domInstance_node* instance_node = daeSafeCast<domInstance_node>(element);

-	if (instance_node)

-	{

-		daeElement* instance = instance_node->getUrl().getElement();

-		if (instance)

-		{

-			processElement(instance);

-		}

-	}

-

-	//process children

-	daeTArray< daeSmartRef<daeElement> > children = element->getChildren();

-	for (S32 i = 0; i < children.getCount(); i++)

-	{

-		processElement(children[i]);

-	}

-

-	domNode* node = daeSafeCast<domNode>(element);

-	if (node)

-	{ //this element was a node, restore transform before processiing siblings

-		mTransform = saved_transform;

-	}

-}

-

-std::vector<LLImportMaterial> LLModelLoader::getMaterials(LLModel* model, domInstance_geometry* instance_geo)

-{

-	std::vector<LLImportMaterial> materials;

-	for (int i = 0; i < model->mMaterialList.size(); i++)

-	{

-		LLImportMaterial import_material;

-

-		domInstance_material* instance_mat = NULL;

-

-		domBind_material::domTechnique_common* technique =

-		daeSafeCast<domBind_material::domTechnique_common>(instance_geo->getDescendant(daeElement::matchType(domBind_material::domTechnique_common::ID())));

-

-		if (technique)

-		{

-			daeTArray< daeSmartRef<domInstance_material> > inst_materials = technique->getChildrenByType<domInstance_material>();

-			for (int j = 0; j < inst_materials.getCount(); j++)

-			{

-				std::string symbol(inst_materials[j]->getSymbol());

-

-				if (symbol == model->mMaterialList[i]) // found the binding

-				{

-					instance_mat = inst_materials[j];

-				}

-			}

-		}

-

-		if (instance_mat)

-		{

-			domMaterial* material = daeSafeCast<domMaterial>(instance_mat->getTarget().getElement());

-			if (material)

-			{

-				domInstance_effect* instance_effect =

-				daeSafeCast<domInstance_effect>(material->getDescendant(daeElement::matchType(domInstance_effect::ID())));

-				if (instance_effect)

-				{

-					domEffect* effect = daeSafeCast<domEffect>(instance_effect->getUrl().getElement());

-					if (effect)

-					{

-						domProfile_COMMON* profile =

-						daeSafeCast<domProfile_COMMON>(effect->getDescendant(daeElement::matchType(domProfile_COMMON::ID())));

-						if (profile)

-						{

-							import_material = profileToMaterial(profile);

-						}

-					}

-				}

-			}

-		}

-

-		materials.push_back(import_material);

-	}

-

-	return materials;

-}

-

-LLImportMaterial LLModelLoader::profileToMaterial(domProfile_COMMON* material)

-{

-	LLImportMaterial mat;

-	mat.mFullbright = FALSE;

-

-	daeElement* diffuse = material->getDescendant("diffuse");

-	if (diffuse)

-	{

-		domCommon_color_or_texture_type_complexType::domTexture* texture =

-		daeSafeCast<domCommon_color_or_texture_type_complexType::domTexture>(diffuse->getDescendant("texture"));

-		if (texture)

-		{

-			domCommon_newparam_type_Array newparams = material->getNewparam_array();

-			for (S32 i = 0; i < newparams.getCount(); i++)

-			{

-				domFx_surface_common* surface = newparams[i]->getSurface();

-				if (surface)

-				{

-					domFx_surface_init_common* init = surface->getFx_surface_init_common();

-					if (init)

-					{

-						domFx_surface_init_from_common_Array init_from = init->getInit_from_array();

-

-						if (init_from.getCount() > i)

-						{

-							domImage* image = daeSafeCast<domImage>(init_from[i]->getValue().getElement());

-							if (image)

-							{

-								// we only support init_from now - embedded data will come later

-								domImage::domInit_from* init = image->getInit_from();

-								if (init)

-								{

-									std::string filename = cdom::uriToNativePath(init->getValue().str());

-

-									mat.mDiffuseMap = LLViewerTextureManager::getFetchedTextureFromUrl("file://" + filename, TRUE, LLViewerTexture::BOOST_PREVIEW);

-									mat.mDiffuseMap->setLoadedCallback(LLModelPreview::textureLoadedCallback, 0, TRUE, FALSE, this->mPreview, NULL, FALSE);

-

-									mat.mDiffuseMap->forceToSaveRawImage();

-									mat.mDiffuseMapFilename = filename;

-									mat.mDiffuseMapLabel = getElementLabel(material);

-								}

-							}

-						}

-					}

-				}

-			}

-		}

-

-		domCommon_color_or_texture_type_complexType::domColor* color =

-		daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(diffuse->getDescendant("color"));

-		if (color)

-		{

-			domFx_color_common domfx_color = color->getValue();

-			LLColor4 value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);

-			mat.mDiffuseColor = value;

-		}

-	}

-

-	daeElement* emission = material->getDescendant("emission");

-	if (emission)

-	{

-		LLColor4 emission_color = getDaeColor(emission);

-		if (((emission_color[0] + emission_color[1] + emission_color[2]) / 3.0) > 0.25)

-		{

-			mat.mFullbright = TRUE;

-		}

-	}

-

-	return mat;

-}

-

-// try to get a decent label for this element

-std::string LLModelLoader::getElementLabel(daeElement *element)

-{

-	// if we have a name attribute, use it

-	std::string name = element->getAttribute("name");

-	if (name.length())

-	{

-		return name;

-	}

-

-	// if we have an ID attribute, use it

-	if (element->getID())

-	{

-		return std::string(element->getID());

-	}

-

-	// if we have a parent, use it

-	daeElement* parent = element->getParent();

-	if (parent)

-	{

-		// if parent has a name, use it

-		std::string name = parent->getAttribute("name");

-		if (name.length())

-		{

-			return name;

-		}

-

-		// if parent has an ID, use it

-		if (parent->getID())

-		{

-			return std::string(parent->getID());

-		}

-	}

-

-	// try to use our type

-	daeString element_name = element->getElementName();

-	if (element_name)

-	{

-		return std::string(element_name);

-	}

-

-	// if all else fails, use "object"

-	return std::string("object");

-}

-

-LLColor4 LLModelLoader::getDaeColor(daeElement* element)

-{

-	LLColor4 value;

-	domCommon_color_or_texture_type_complexType::domColor* color =

-	daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(element->getDescendant("color"));

-	if (color)

-	{

-		domFx_color_common domfx_color = color->getValue();

-		value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);

-	}

-

-	return value;

-}

-

-//-----------------------------------------------------------------------------

-// LLModelPreview

-//-----------------------------------------------------------------------------

-

-LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloater* fmp)

-: LLViewerDynamicTexture(width, height, 3, ORDER_MIDDLE, FALSE), LLMutex(NULL)

-{

-	mNeedsUpdate = TRUE;

-	mCameraDistance = 0.f;

-	mCameraYaw = 0.f;

-	mCameraPitch = 0.f;

-	mCameraZoom = 1.f;

-	mTextureName = 0;

-	mPreviewLOD = 0;

-	mModelLoader = NULL;

-	mMaxTriangleLimit = 0;

-	mDirty = false;

-	mGenLOD = false;

-	mLoading = false;

-	mGroup = 0;

-	mBuildShareTolerance = 0.f;

-	mBuildQueueMode = GLOD_QUEUE_GREEDY;

-	mBuildBorderMode = GLOD_BORDER_UNLOCK;

-	mBuildOperator = GLOD_OPERATOR_HALF_EDGE_COLLAPSE;

-

-	mViewOption["show_textures"] = false;

-

-	mFMP = fmp;

-

-	glodInit();

-}

-

-LLModelPreview::~LLModelPreview()

-{

-	if (mModelLoader)

-	{

-		delete mModelLoader;

-		mModelLoader = NULL;

-	}

-

-	//*HACK : *TODO : turn this back on when we understand why this crashes

-	//glodShutdown();

-}

-

-U32 LLModelPreview::calcResourceCost()

-{

-	assert_main_thread();

-

-	rebuildUploadData();

-

-	if ( mModelLoader->getLoadState() != LLModelLoader::ERROR_PARSING )

-	{

-		mFMP->childEnable("ok_btn");

-	}

-

-	U32 cost = 0;

-	std::set<LLModel*> accounted;

-	U32 num_points = 0;

-	U32 num_hulls = 0;

-

-	F32 debug_scale = mFMP->childGetValue("import_scale").asReal();

-

-	F32 streaming_cost = 0.f;

-	F32 physics_cost = 0.f;

-	for (U32 i = 0; i < mUploadData.size(); ++i)

-	{

-		LLModelInstance& instance = mUploadData[i];

-

-		if (accounted.find(instance.mModel) == accounted.end())

-		{

-			accounted.insert(instance.mModel);

-

-			LLModel::convex_hull_decomposition& decomp =

-			instance.mLOD[LLModel::LOD_PHYSICS] ?

-			instance.mLOD[LLModel::LOD_PHYSICS]->mConvexHullDecomp :

-			instance.mModel->mConvexHullDecomp;

-

-			LLSD ret = LLModel::writeModel(

-										   "",

-										   instance.mLOD[4],

-										   instance.mLOD[3],

-										   instance.mLOD[2],

-										   instance.mLOD[1],

-										   instance.mLOD[0],

-										   decomp,

-										   mFMP->childGetValue("upload_skin").asBoolean(),

-										   mFMP->childGetValue("upload_joints").asBoolean(),

-										   TRUE);

-			cost += gMeshRepo.calcResourceCost(ret);

-

-			num_hulls += decomp.size();

-			for (U32 i = 0; i < decomp.size(); ++i)

-			{

-				num_points += decomp[i].size();

-			}

-

-			//calculate streaming cost

-			LLMatrix4 transformation = instance.mTransform;

-

-			LLVector3 position = LLVector3(0, 0, 0) * transformation;

-

-			LLVector3 x_transformed = LLVector3(1, 0, 0) * transformation - position;

-			LLVector3 y_transformed = LLVector3(0, 1, 0) * transformation - position;

-			LLVector3 z_transformed = LLVector3(0, 0, 1) * transformation - position;

-			F32 x_length = x_transformed.normalize();

-			F32 y_length = y_transformed.normalize();

-			F32 z_length = z_transformed.normalize();

-			LLVector3 scale = LLVector3(x_length, y_length, z_length);

-

-			F32 radius = scale.length()*debug_scale;

-

-			streaming_cost += LLMeshRepository::getStreamingCost(ret, radius);

-		}

-	}

-

-	//mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[HULLS]", llformat("%d",num_hulls));

-	//mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[POINTS]", llformat("%d",num_points));

-	mFMP->childSetTextArg("streaming cost", "[COST]", llformat("%.3f", streaming_cost));

-	mFMP->childSetTextArg("physics cost", "[COST]", llformat("%.3f", physics_cost));	

-	F32 scale = mFMP->childGetValue("import_scale").asReal()*2.f;

-	mFMP->childSetTextArg("import_dimensions", "[X]", llformat("%.3f", mPreviewScale[0]*scale));

-	mFMP->childSetTextArg("import_dimensions", "[Y]", llformat("%.3f", mPreviewScale[1]*scale));

-	mFMP->childSetTextArg("import_dimensions", "[Z]", llformat("%.3f", mPreviewScale[2]*scale));

-

-	updateStatusMessages();

-

-	return cost;

-}

-

-void LLModelPreview::rebuildUploadData()

-{

-	assert_main_thread();

-

-	mUploadData.clear();

-	mTextureSet.clear();

-

-	//fill uploaddata instance vectors from scene data

-

-	std::string requested_name = mFMP->getChild<LLUICtrl>("description_form")->getValue().asString();

-

-

-	LLSpinCtrl* scale_spinner = mFMP->getChild<LLSpinCtrl>("import_scale");

-

-	if (!scale_spinner)

-	{

-		llerrs << "floater_model_preview.xml MUST contain import_scale spinner." << llendl;

-	}

-

-	F32 scale = scale_spinner->getValue().asReal();

-

-	LLMatrix4 scale_mat;

-	scale_mat.initScale(LLVector3(scale, scale, scale));

-

-	F32 max_scale = 0.f;

-

-	if ( mBaseScene.size() > 0 )

-	{

-		mFMP->childEnable("ok_btn");

-	}

-

-	for (LLModelLoader::scene::iterator iter = mBaseScene.begin(); iter != mBaseScene.end(); ++iter)

-	{ //for each transform in scene

-		LLMatrix4 mat = iter->first;

-

-		// compute position

-		LLVector3 position = LLVector3(0, 0, 0) * mat;

-

-		// compute scale

-		LLVector3 x_transformed = LLVector3(1, 0, 0) * mat - position;

-		LLVector3 y_transformed = LLVector3(0, 1, 0) * mat - position;

-		LLVector3 z_transformed = LLVector3(0, 0, 1) * mat - position;

-		F32 x_length = x_transformed.normalize();

-		F32 y_length = y_transformed.normalize();

-		F32 z_length = z_transformed.normalize();

-

-		max_scale = llmax(llmax(llmax(max_scale, x_length), y_length), z_length);

-

-		mat *= scale_mat;

-

-		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)

-		{ //for each instance with said transform applied

-			LLModelInstance instance = *model_iter;

-

-			LLModel* base_model = instance.mModel;

-			if (base_model)

-			{

-				base_model->mRequestedLabel = requested_name;

-			}

-

-			S32 idx = 0;

-			for (idx = 0; idx < mBaseModel.size(); ++idx)

-			{  //find reference instance for this model

-				if (mBaseModel[idx] == base_model)

-				{

-					break;

-				}

-			}

-

-			for (U32 i = 0; i < LLModel::NUM_LODS; i++)

-			{ //fill LOD slots based on reference model index

-				if (!mModel[i].empty())

-				{

-					instance.mLOD[i] = mModel[i][idx];

-				}

-				else

-				{

-					instance.mLOD[i] = NULL;

-				}

-			}

-

-			instance.mTransform = mat;

-			mUploadData.push_back(instance);

-		}

-	}

-

-	F32 max_import_scale = DEFAULT_MAX_PRIM_SCALE/max_scale;

-

-	scale_spinner->setMaxValue(max_import_scale);

-

-	if (max_import_scale < scale)

-	{

-		scale_spinner->setValue(max_import_scale);

-	}

-

-}

-

-

-void LLModelPreview::clearModel(S32 lod)

-{

-	if (lod < 0 || lod > LLModel::LOD_PHYSICS)

-	{

-		return;

-	}

-

-	mVertexBuffer[lod].clear();

-	mModel[lod].clear();

-	mScene[lod].clear();

-}

-

-void LLModelPreview::loadModel(std::string filename, S32 lod)

-{

-	assert_main_thread();

-

-	LLMutexLock lock(this);

-

-	if (mModelLoader)

-	{

-		delete mModelLoader;

-		mModelLoader = NULL;

-	}

-

-	if (filename.empty())

-	{

-		if (mBaseModel.empty())

-		{

-			// this is the initial file picking. Close the whole floater

-			// if we don't have a base model to show for high LOD.

-			mFMP->closeFloater(false);

-		}

-

-		mLoading = false;

-		return;

-	}

-

-	mLODFile[lod] = filename;

-

-	if (lod == LLModel::LOD_HIGH)

-	{

-		clearGLODGroup();

-	}

-

-	mModelLoader = new LLModelLoader(filename, lod, this);

-

-	mModelLoader->start();

-

-	mFMP->childSetTextArg("status", "[STATUS]", mFMP->getString("status_reading_file"));

-

-	setPreviewLOD(lod);

-

-	if ( mModelLoader->getLoadState() == LLModelLoader::ERROR_PARSING )

-	{

-		mFMP->childDisable("ok_btn");

-	}

-

-	if (lod == mPreviewLOD)

-	{

-		mFMP->childSetText("lod_file", mLODFile[mPreviewLOD]);

-	}

-	else if (lod == LLModel::LOD_PHYSICS)

-	{

-		mFMP->childSetText("physics_file", mLODFile[lod]);

-	}

-

-	mFMP->openFloater();

-}

-

-void LLModelPreview::setPhysicsFromLOD(S32 lod)

-{

-	assert_main_thread();

-

-	if (lod >= 0 && lod <= 3)

-	{

-		mModel[LLModel::LOD_PHYSICS] = mModel[lod];

-		mScene[LLModel::LOD_PHYSICS] = mScene[lod];

-		mLODFile[LLModel::LOD_PHYSICS].clear();

-		mFMP->childSetText("physics_file", mLODFile[LLModel::LOD_PHYSICS]);

-		mVertexBuffer[LLModel::LOD_PHYSICS].clear();

-		rebuildUploadData();

-		refresh();

-		updateStatusMessages();

-	}

-}

-

-void LLModelPreview::clearIncompatible(S32 lod)

-{

-	for (U32 i = 0; i <= LLModel::LOD_HIGH; i++)

-	{ //clear out any entries that aren't compatible with this model

-		if (i != lod)

-		{

-			if (mModel[i].size() != mModel[lod].size())

-			{

-				mModel[i].clear();

-				mScene[i].clear();

-				mVertexBuffer[i].clear();

-

-				if (i == LLModel::LOD_HIGH)

-				{

-					mBaseModel = mModel[lod];

-					clearGLODGroup();

-					mBaseScene = mScene[lod];

-					mVertexBuffer[5].clear();

-				}

-			}

-		}

-	}

-}

-

-void LLModelPreview::clearGLODGroup()

-{

-	if (mGroup)

-	{

-		for (std::map<LLPointer<LLModel>, U32>::iterator iter = mObject.begin(); iter != mObject.end(); ++iter)

-		{

-			glodDeleteObject(iter->second);

-			stop_gloderror();

-		}

-		mObject.clear();

-

-		glodDeleteGroup(mGroup);

-		stop_gloderror();

-		mGroup = 0;

-	}

-}

-

-void LLModelPreview::loadModelCallback(S32 lod)

-{

-	assert_main_thread();

-

-	LLMutexLock lock(this);

-	if (!mModelLoader)

-	{

-		return;

-	}

-

-	mModel[lod] = mModelLoader->mModelList;

-	mScene[lod] = mModelLoader->mScene;

-	mVertexBuffer[lod].clear();

-

-	if (lod == LLModel::LOD_PHYSICS)

-	{

-		mPhysicsMesh.clear();

-	}

-

-	setPreviewLOD(lod);

-

-

-	if (lod == LLModel::LOD_HIGH)

-	{ //save a copy of the highest LOD for automatic LOD manipulation

-		if (mBaseModel.empty())

-		{ //first time we've loaded a model, auto-gen LoD

-			mGenLOD = true;

-		}

-

-		mBaseModel = mModel[lod];

-		clearGLODGroup();

-

-		mBaseScene = mScene[lod];

-		mVertexBuffer[5].clear();

-	}

-

-	clearIncompatible(lod);

-

-	mDirty = true;

-

-	if (lod == LLModel::LOD_HIGH)

-	{

-		resetPreviewTarget();

-	}

-

-	mLoading = false;

-	refresh();

-}

-

-void LLModelPreview::resetPreviewTarget()

-{

-	mPreviewTarget = (mModelLoader->mExtents[0] + mModelLoader->mExtents[1]) * 0.5f;

-	mPreviewScale = (mModelLoader->mExtents[1] - mModelLoader->mExtents[0]) * 0.5f;

-	setPreviewTarget(mPreviewScale.magVec()*2.f);

-}

-

-void LLModelPreview::generateNormals()

-{

-	assert_main_thread();

-

-	S32 which_lod = mPreviewLOD;

-

-

-	if (which_lod > 4 || which_lod < 0 ||

-		mModel[which_lod].empty())

-	{

-		return;

-	}

-

-	F32 angle_cutoff = mFMP->childGetValue("crease_angle").asReal();

-

-	angle_cutoff *= DEG_TO_RAD;

-

-	if (which_lod == 3 && !mBaseModel.empty())

-	{

-		for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)

-		{

-			(*iter)->generateNormals(angle_cutoff);

-		}

-

-		mVertexBuffer[5].clear();

-	}

-

-	for (LLModelLoader::model_list::iterator iter = mModel[which_lod].begin(); iter != mModel[which_lod].end(); ++iter)

-	{

-		(*iter)->generateNormals(angle_cutoff);

-	}

-

-	mVertexBuffer[which_lod].clear();

-	refresh();

-

-}

-

-void LLModelPreview::consolidate()

-{

-	std::map<LLImportMaterial, std::vector<LLModelInstance> > composite;

-

-	LLMatrix4 identity;

-

-	//bake out each node in current scene to composite

-	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)

-	{ //for each transform in current scene

-		LLMatrix4 mat = iter->first;

-		glh::matrix4f inv_trans = glh::matrix4f((F32*) mat.mMatrix).inverse().transpose();

-		LLMatrix4 norm_mat(inv_trans.m);

-

-		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)

-		{ //for each instance with that transform

-			LLModelInstance& source_instance = *model_iter;

-			LLModel* source = source_instance.mModel;

-

-			if (!validate_model(source))

-			{

-				llerrs << "Invalid model found!" << llendl;

-			}

-

-			for (S32 i = 0; i < source->getNumVolumeFaces(); ++i)

-			{ //for each face in instance

-				const LLVolumeFace& src_face = source->getVolumeFace(i);

-				LLImportMaterial& source_material = source_instance.mMaterial[i];

-

-				//get model in composite that is composite for this material

-				LLModel* model = NULL;

-

-				if (composite.find(source_material) != composite.end())

-				{

-					model = composite[source_material].rbegin()->mModel;

-					if (model->getVolumeFace(0).mNumVertices + src_face.mNumVertices > 65535)

-					{

-						model = NULL;

-					}

-				}

-

-				if (model == NULL)

-				{  //no model found, make new model

-					std::vector<LLImportMaterial> materials;

-					materials.push_back(source_material);

-					LLVolumeParams volume_params;

-					volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);

-					model = new LLModel(volume_params, 0.f);

-					model->mLabel = source->mLabel;

-					model->setNumVolumeFaces(0);

-					composite[source_material].push_back(LLModelInstance(model, identity, materials));

-				}

-

-				model->appendFace(src_face, source->mMaterialList[i], mat, norm_mat);

-			}

-		}

-	}

-

-

-	//condense composite into as few LLModel instances as possible

-	LLModelLoader::model_list new_model;

-	std::vector<LLModelInstance> instance_list;

-

-	LLVolumeParams volume_params;

-	volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);

-

-	std::vector<LLImportMaterial> empty_material;

-	LLModelInstance cur_instance(new LLModel(volume_params, 0.f), identity, empty_material);

-	cur_instance.mModel->setNumVolumeFaces(0);

-

-	BOOL first_transform = TRUE;

-

-	LLModelLoader::scene new_scene;

-	LLVector3 min,max;

-

-	for (std::map<LLImportMaterial, std::vector<LLModelInstance> >::iterator iter = composite.begin();

-		 iter != composite.end();

-		 ++iter)

-	{

-		std::map<LLImportMaterial, std::vector<LLModelInstance> >::iterator next_iter = iter; ++next_iter;

-

-		for (std::vector<LLModelInstance>::iterator instance_iter = iter->second.begin();

-			 instance_iter != iter->second.end();

-			 ++instance_iter)

-		{

-			LLModel* source = instance_iter->mModel;

-

-			if (instance_iter->mMaterial.size() != 1)

-			{

-				llerrs << "WTF?" << llendl;

-			}

-

-			if (source->getNumVolumeFaces() != 1)

-			{

-				llerrs << "WTF?" << llendl;

-			}

-

-			if (source->mMaterialList.size() != 1)

-			{

-				llerrs << "WTF?" << llendl;

-			}

-

-			cur_instance.mModel->addFace(source->getVolumeFace(0));

-			cur_instance.mMaterial.push_back(instance_iter->mMaterial[0]);

-			cur_instance.mModel->mMaterialList.push_back(source->mMaterialList[0]);

-

-			BOOL last_model = FALSE;

-

-			std::vector<LLModelInstance>::iterator next_instance = instance_iter; ++next_instance;

-

-			if (next_iter == composite.end() &&

-				next_instance == iter->second.end())

-			{

-				last_model = TRUE;

-			}

-

-			if (last_model || cur_instance.mModel->getNumVolumeFaces() >= MAX_MODEL_FACES)

-			{

-				cur_instance.mModel->mLabel = source->mLabel;

-

-				cur_instance.mModel->optimizeVolumeFaces();

-				cur_instance.mModel->normalizeVolumeFaces();

-

-				if (!validate_model(cur_instance.mModel))

-				{

-					llerrs << "Invalid model detected." << llendl;

-				}

-

-				new_model.push_back(cur_instance.mModel);

-

-				LLMatrix4 transformation = LLMatrix4();

-

-				// adjust the transformation to compensate for mesh normalization

-				LLVector3 mesh_scale_vector;

-				LLVector3 mesh_translation_vector;

-				cur_instance.mModel->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);

-

-				LLMatrix4 mesh_translation;

-				mesh_translation.setTranslation(mesh_translation_vector);

-				mesh_translation *= transformation;

-				transformation = mesh_translation;

-

-				LLMatrix4 mesh_scale;

-				mesh_scale.initScale(mesh_scale_vector);

-				mesh_scale *= transformation;

-				transformation = mesh_scale;

-

-				cur_instance.mTransform = transformation;

-

-				new_scene[transformation].push_back(cur_instance);

-				stretch_extents(cur_instance.mModel, transformation, min, max, first_transform);

-

-				if (!last_model)

-				{

-					cur_instance = LLModelInstance(new LLModel(volume_params, 0.f), identity, empty_material);

-					cur_instance.mModel->setNumVolumeFaces(0);

-				}

-			}

-		}

-	}

-

-	mScene[mPreviewLOD] = new_scene;

-	mModel[mPreviewLOD] = new_model;

-	mVertexBuffer[mPreviewLOD].clear();

-

-	if (mPreviewLOD == LLModel::LOD_HIGH)

-	{

-		mBaseScene = new_scene;

-		mBaseModel = new_model;

-		clearGLODGroup();

-		mVertexBuffer[5].clear();

-	}

-

-	mPreviewTarget = (min+max)*0.5f;

-	mPreviewScale = (max-min)*0.5f;

-	setPreviewTarget(mPreviewScale.magVec()*2.f);

-

-	clearIncompatible(mPreviewLOD);

-

-	mResourceCost = calcResourceCost();

-	refresh();

-}

-

-void LLModelPreview::clearMaterials()

-{

-	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)

-	{ //for each transform in current scene

-		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)

-		{ //for each instance with that transform

-			LLModelInstance& source_instance = *model_iter;

-			LLModel* source = source_instance.mModel;

-

-			for (S32 i = 0; i < source->getNumVolumeFaces(); ++i)

-			{ //for each face in instance

-				LLImportMaterial& source_material = source_instance.mMaterial[i];

-

-				//clear material info

-				source_material.mDiffuseColor = LLColor4(1,1,1,1);

-				source_material.mDiffuseMap = NULL;

-				source_material.mDiffuseMapFilename.clear();

-				source_material.mDiffuseMapLabel.clear();

-				source_material.mFullbright = false;

-			}

-		}

-	}

-

-	mVertexBuffer[mPreviewLOD].clear();

-

-	if (mPreviewLOD == LLModel::LOD_HIGH)

-	{

-		mBaseScene = mScene[mPreviewLOD];

-		mBaseModel = mModel[mPreviewLOD];

-		clearGLODGroup();

-		mVertexBuffer[5].clear();

-	}

-

-	mResourceCost = calcResourceCost();

-	refresh();

-}

-

-bool LLModelPreview::containsRiggedAsset( void )

-{

-	//loop through the models and determine if any of them contained a rigged asset, and if so

-	//return true.

-	//This is used to cleanup the joint positions after a preview.

-	for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)

-	{

-		LLModel* pModel = *iter;

-		if ( pModel->mAlternateBindMatrix.size() > 0 )

-		{

-			return true;

-		}

-	}

-	return false;

-}

-void LLModelPreview::genLODs(S32 which_lod, U32 decimation)

-{

-	if (mBaseModel.empty())

-	{

-		return;

-	}

-

-	if (which_lod == LLModel::LOD_PHYSICS)

-	{ //clear physics mesh map

-		mPhysicsMesh.clear();

-	}

-

-	LLVertexBuffer::unbind();

-

-	stop_gloderror();

-	static U32 cur_name = 1;

-

-	S32 limit = -1;

-

-	U32 triangle_count = 0;

-

-	for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)

-	{

-		LLModel* mdl = *iter;

-		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)

-		{

-			triangle_count += mdl->getVolumeFace(i).mNumIndices/3;

-		}

-	}

-

-	U32 base_triangle_count = triangle_count;

-

-	U32 type_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;

-

-	U32 lod_mode = 0;

-

-	LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode");

-	if (iface)

-	{

-		lod_mode = iface->getFirstSelectedIndex();

-	}

-

-	F32 lod_error_threshold = mFMP->childGetValue("lod_error_threshold").asReal();

-

-	if (lod_mode == 0)

-	{

-		lod_mode = GLOD_TRIANGLE_BUDGET;

-		if (which_lod != -1)

-		{

-			limit = mFMP->childGetValue("lod_triangle_limit").asInteger();

-		}

-	}

-	else

-	{

-		lod_mode = GLOD_ERROR_THRESHOLD;

-	}

-

-	U32 build_operator = 0;

-

-	iface = mFMP->childGetSelectionInterface("build_operator");

-	if (iface)

-	{

-		build_operator = iface->getFirstSelectedIndex();

-	}

-

-	if (build_operator == 0)

-	{

-		build_operator = GLOD_OPERATOR_HALF_EDGE_COLLAPSE;

-	}

-	else

-	{

-		build_operator = GLOD_OPERATOR_EDGE_COLLAPSE;

-	}

-

-	U32 queue_mode=0;

-	iface = mFMP->childGetSelectionInterface("queue_mode");

-	if (iface)

-	{

-		queue_mode = iface->getFirstSelectedIndex();

-	}

-

-	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();

-	}

-

-	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;

-	}

-

-	if (mGroup == 0)

-	{

-		object_dirty = true;

-		mGroup = cur_name++;

-		glodNewGroup(mGroup);

-	}

-

-	if (object_dirty)

-	{

-		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;

-

-			if (mObject[mdl] != 0)

-			{

-				glodDeleteObject(mObject[mdl]);

-			}

-

-			mObject[mdl] = cur_name++;

-

-			glodNewObject(mObject[mdl], mGroup, GLOD_DISCRETE);

-			stop_gloderror();

-

-			if (iter == mBaseModel.begin() && !mdl->mSkinWeights.empty())

-			{ //regenerate vertex buffer for skinned models to prevent animation feedback during LOD generation

-				mVertexBuffer[5].clear();

-			}

-

-			if (mVertexBuffer[5].empty())

-			{

-				genBuffers(5, false);

-			}

-

-			U32 tri_count = 0;

-			for (U32 i = 0; i < mVertexBuffer[5][mdl].size(); ++i)

-			{

-				mVertexBuffer[5][mdl][i]->setBuffer(type_mask);

-				U32 num_indices = mVertexBuffer[5][mdl][i]->getNumIndices();

-				if (num_indices > 2)

-				{

-					glodInsertElements(mObject[mdl], i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT, mVertexBuffer[5][mdl][i]->getIndicesPointer(), 0, 0.f);

-				}

-				tri_count += num_indices/3;

-				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();

-		}

-	}

-

-

-	S32 start = LLModel::LOD_HIGH;

-	S32 end = 0;

-

-	if (which_lod != -1)

-	{

-		start = end = which_lod;

-	}

-	else

-	{

-		//SH-632 -- incremenet triangle count to avoid removing any triangles from

-		//highest LoD when auto-generating LoD

-		triangle_count++;

-	}

-

-

-	mMaxTriangleLimit = base_triangle_count;

-

-	for (S32 lod = start; lod >= end; --lod)

-	{

-		if (which_lod == -1)

-		{

-			if (lod < start)

-			{

-				triangle_count /= decimation;

-			}

-		}

-		else

-		{

-			triangle_count = limit;

-		}

-

-		mModel[lod].clear();

-		mModel[lod].resize(mBaseModel.size());

-		mVertexBuffer[lod].clear();

-

-		U32 actual_tris = 0;

-		U32 actual_verts = 0;

-		U32 submeshes = 0;

-

-		glodGroupParameteri(mGroup, GLOD_ADAPT_MODE, lod_mode);

-		stop_gloderror();

-

-		glodGroupParameteri(mGroup, GLOD_ERROR_MODE, GLOD_OBJECT_SPACE_ERROR);

-		stop_gloderror();

-

-		glodGroupParameteri(mGroup, GLOD_MAX_TRIANGLES, triangle_count);

-		stop_gloderror();

-

-		glodGroupParameterf(mGroup, GLOD_OBJECT_SPACE_ERROR_THRESHOLD, lod_error_threshold);

-		stop_gloderror();

-

-		glodAdaptGroup(mGroup);

-		stop_gloderror();

-

-		for (U32 mdl_idx = 0; mdl_idx < mBaseModel.size(); ++mdl_idx)

-		{

-			LLModel* base = mBaseModel[mdl_idx];

-

-			GLint patch_count = 0;

-			glodGetObjectParameteriv(mObject[base], GLOD_NUM_PATCHES, &patch_count);

-			stop_gloderror();

-

-			LLVolumeParams volume_params;

-			volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);

-			mModel[lod][mdl_idx] = new LLModel(volume_params, 0.f);

-

-			GLint* sizes = new GLint[patch_count*2];

-			glodGetObjectParameteriv(mObject[base], GLOD_PATCH_SIZES, sizes);

-			stop_gloderror();

-

-			GLint* names = new GLint[patch_count];

-			glodGetObjectParameteriv(mObject[base], GLOD_PATCH_NAMES, names);

-			stop_gloderror();

-

-			mModel[lod][mdl_idx]->setNumVolumeFaces(patch_count);

-

-			LLModel* target_model = mModel[lod][mdl_idx];

-

-			for (GLint i = 0; i < patch_count; ++i)

-			{

-				LLPointer<LLVertexBuffer> buff = new LLVertexBuffer(type_mask, 0);

-

-				if (sizes[i*2+1] > 0 && sizes[i*2] > 0)

-				{

-					buff->allocateBuffer(sizes[i*2+1], sizes[i*2], true);

-					buff->setBuffer(type_mask);

-					glodFillElements(mObject[base], names[i], GL_UNSIGNED_SHORT, buff->getIndicesPointer());

-					stop_gloderror();

-				}

-				else

-				{ //this face was eliminated, create a dummy triangle (one vertex, 3 indices, all 0)

-					buff->allocateBuffer(1, 3, true);

-					memset(buff->getMappedData(), 0, buff->getSize());

-					memset(buff->getIndicesPointer(), 0, buff->getIndicesSize());

-				}

-

-				buff->validateRange(0, buff->getNumVerts()-1, buff->getNumIndices(), 0);

-

-				LLStrider<LLVector3> pos;

-				LLStrider<LLVector3> norm;

-				LLStrider<LLVector2> tc;

-				LLStrider<U16> index;

-

-				buff->getVertexStrider(pos);

-				buff->getNormalStrider(norm);

-				buff->getTexCoord0Strider(tc);

-				buff->getIndexStrider(index);

-

-				target_model->setVolumeFaceData(names[i], pos, norm, tc, index, buff->getNumVerts(), buff->getNumIndices());

-				actual_tris += buff->getNumIndices()/3;

-				actual_verts += buff->getNumVerts();

-				++submeshes;

-

-				if (!validate_face(target_model->getVolumeFace(names[i])))

-				{

-					llerrs << "Invalid face generated during LOD generation." << llendl;

-				}

-			}

-

-			//blind copy skin weights and just take closest skin weight to point on

-			//decimated mesh for now (auto-generating LODs with skin weights is still a bit

-			//of an open problem).

-			target_model->mPosition = base->mPosition;

-			target_model->mSkinWeights = base->mSkinWeights;

-			target_model->mJointMap = base->mJointMap;

-			target_model->mJointList = base->mJointList;

-			target_model->mInvBindMatrix = base->mInvBindMatrix;

-			target_model->mBindShapeMatrix = base->mBindShapeMatrix;

-			target_model->mAlternateBindMatrix = base->mAlternateBindMatrix;

-			//copy material list

-			target_model->mMaterialList = base->mMaterialList;

-

-			if (!validate_model(target_model))

-			{

-				llerrs << "Invalid model generated when creating LODs" << llendl;

-			}

-

-			delete [] sizes;

-			delete [] names;

-		}

-

-		//rebuild scene based on mBaseScene

-		mScene[lod].clear();

-		mScene[lod] = mBaseScene;

-

-		for (U32 i = 0; i < mBaseModel.size(); ++i)

-		{

-			LLModel* mdl = mBaseModel[i];

-			LLModel* target = mModel[lod][i];

-			if (target)

-			{

-				for (LLModelLoader::scene::iterator iter = mScene[lod].begin(); iter != mScene[lod].end(); ++iter)

-				{

-					for (U32 j = 0; j < iter->second.size(); ++j)

-					{

-						if (iter->second[j].mModel == mdl)

-						{

-							iter->second[j].mModel = target;

-						}

-					}

-				}

-			}

-		}

-	}

-

-	mResourceCost = calcResourceCost();

-

-	/*if (which_lod == -1 && mScene[LLModel::LOD_PHYSICS].empty())

-	 { //build physics scene

-	 mScene[LLModel::LOD_PHYSICS] = mScene[LLModel::LOD_LOW];

-	 mModel[LLModel::LOD_PHYSICS] = mModel[LLModel::LOD_LOW];

-

-	 for (U32 i = 1; i < mModel[LLModel::LOD_PHYSICS].size(); ++i)

-	 {

-	 mPhysicsQ.push(mModel[LLModel::LOD_PHYSICS][i]);

-	 }

-	 }*/

-}

-

-void LLModelPreview::updateStatusMessages()

-{

-	assert_main_thread();

-

-	//triangle/vertex/submesh count for each mesh asset for each lod

-	std::vector<S32> tris[LLModel::NUM_LODS];

-	std::vector<S32> verts[LLModel::NUM_LODS];

-	std::vector<S32> submeshes[LLModel::NUM_LODS];

-

-	//total triangle/vertex/submesh count for each lod

-	S32 total_tris[LLModel::NUM_LODS];

-	S32 total_verts[LLModel::NUM_LODS];

-	S32 total_submeshes[LLModel::NUM_LODS];

-

-	for (S32 lod = 0; lod < LLModel::NUM_LODS; ++lod)

-	{

-		//initialize total for this lod to 0

-		total_tris[lod] = total_verts[lod] = total_submeshes[lod] = 0;

-

-		for (U32 i = 0; i < mModel[lod].size(); ++i)

-		{ //for each model in the lod

-			S32 cur_tris = 0;

-			S32 cur_verts = 0;

-			S32 cur_submeshes = mModel[lod][i]->getNumVolumeFaces();

-

-			for (S32 j = 0; j < cur_submeshes; ++j)

-			{ //for each submesh (face), add triangles and vertices to current total

-				const LLVolumeFace& face = mModel[lod][i]->getVolumeFace(j);

-				cur_tris += face.mNumIndices/3;

-				cur_verts += face.mNumVertices;

-			}

-

-			//add this model to the lod total

-			total_tris[lod] += cur_tris;

-			total_verts[lod] += cur_verts;

-			total_submeshes[lod] += cur_submeshes;

-

-			//store this model's counts to asset data

-			tris[lod].push_back(cur_tris);

-			verts[lod].push_back(cur_verts);

-			submeshes[lod].push_back(cur_submeshes);

-		}

-	}

-

-	if (mMaxTriangleLimit == 0)

-	{

-		mMaxTriangleLimit = total_tris[LLModel::LOD_HIGH];

-	}

-

-

-	mFMP->childSetTextArg("submeshes_info", "[SUBMESHES]", llformat("%d", total_submeshes[LLModel::LOD_HIGH]));

-

-	std::string mesh_status_na = mFMP->getString("mesh_status_na");

-

-	S32 upload_status[LLModel::LOD_HIGH+1];

-

-	bool upload_ok = true;

-

-	for (S32 lod = 0; lod <= LLModel::LOD_HIGH; ++lod)

-	{

-		upload_status[lod] = 0;

-

-		std::string message = "mesh_status_good";

-

-		if (total_tris[lod] > 0)

-		{

-			mFMP->childSetText(lod_triangles_name[lod], llformat("%d", total_tris[lod]));

-			mFMP->childSetText(lod_vertices_name[lod], llformat("%d", total_verts[lod]));

-		}

-		else

-		{

-			if (lod == LLModel::LOD_HIGH)

-			{

-				upload_status[lod] = 2;

-				message = "mesh_status_missing_lod";

-			}

-			else

-			{

-				for (S32 i = lod-1; i >= 0; --i)

-				{

-					if (total_tris[i] > 0)

-					{

-						upload_status[lod] = 2;

-						message = "mesh_status_missing_lod";

-					}

-				}

-			}

-

-			mFMP->childSetText(lod_triangles_name[lod], mesh_status_na);

-			mFMP->childSetText(lod_vertices_name[lod], mesh_status_na);

-		}

-

-		const U32 lod_high = LLModel::LOD_HIGH;

-

-		if (lod != lod_high)

-		{

-			if (total_submeshes[lod] && total_submeshes[lod] != total_submeshes[lod_high])

-			{ //number of submeshes is different

-				message = "mesh_status_submesh_mismatch";

-				upload_status[lod] = 2;

-			}

-			else if (!tris[lod].empty() && tris[lod].size() != tris[lod_high].size())

-			{ //number of meshes is different

-				message = "mesh_status_mesh_mismatch";

-				upload_status[lod] = 2;

-			}

-			else if (!verts[lod].empty())

-			{

-				for (U32 i = 0; i < verts[lod].size(); ++i)

-				{

-					S32 max_verts = i < verts[lod+1].size() ? verts[lod+1][i] : 0;

-

-					if (max_verts > 0)

-					{

-						if (verts[lod][i] > max_verts)

-						{ //too many vertices in this lod

-							message = "mesh_status_too_many_vertices";

-							upload_status[lod] = 2;

-						}

-					}

-				}

-			}

-		}

-

-		LLIconCtrl* icon = mFMP->getChild<LLIconCtrl>(lod_icon_name[lod]);

-		LLUIImagePtr img = LLUI::getUIImage(lod_status_image[upload_status[lod]]);

-		icon->setVisible(true);

-		icon->setImage(img);

-

-		if (upload_status[lod] >= 2)

-		{

-			upload_ok = false;

-		}

-

-		if (lod == mPreviewLOD)

-		{

-			mFMP->childSetText("lod_status_message_text", mFMP->getString(message));

-			icon = mFMP->getChild<LLIconCtrl>("lod_status_message_icon");

-			icon->setImage(img);

-		}

-	}

-

-	bool errorStateFromLoader = mModelLoader->getLoadState() == LLModelLoader::ERROR_PARSING ? true : false;

-

-	if ( upload_ok && !errorStateFromLoader )

-	{

-		mFMP->childEnable("ok_btn");

-	}

-	else

-	{

-		mFMP->childDisable("ok_btn");

-	}

-

-	//add up physics triangles etc

-	S32 start = 0;

-	S32 end = mModel[LLModel::LOD_PHYSICS].size();

-

-	S32 phys_tris = 0;

-	S32 phys_hulls = 0;

-	S32 phys_points = 0;

-

-	for (S32 i = start; i < end; ++i)

-	{ //add up hulls and points and triangles for selected mesh(es)

-		LLModel* model = mModel[LLModel::LOD_PHYSICS][i];

-		S32 cur_submeshes = model->getNumVolumeFaces();

-

-		LLModel::convex_hull_decomposition& decomp = model->mConvexHullDecomp;

-

-		if (!decomp.empty())

-		{

-			phys_hulls += decomp.size();

-			for (U32 i = 0; i < decomp.size(); ++i)

-			{

-				phys_points += decomp[i].size();

-			}

-		}

-		else

-		{ //choose physics shape OR decomposition, can't use both

-			for (S32 j = 0; j < cur_submeshes; ++j)

-			{ //for each submesh (face), add triangles and vertices to current total

-				const LLVolumeFace& face = model->getVolumeFace(j);

-				phys_tris += face.mNumIndices/3;

-			}

-		}

-	}

-

-	if (phys_tris > 0)

-	{

-		mFMP->childSetTextArg("physics_triangles", "[TRIANGLES]", llformat("%d", phys_tris));

-	}

-	else

-	{

-		mFMP->childSetTextArg("physics_triangles", "[TRIANGLES]", mesh_status_na);

-	}

-

-	if (phys_hulls > 0)

-	{

-		mFMP->childSetTextArg("physics_hulls", "[HULLS]", llformat("%d", phys_hulls));

-		mFMP->childSetTextArg("physics_points", "[POINTS]", llformat("%d", phys_points));

-	}

-	else

-	{

-		mFMP->childSetTextArg("physics_hulls", "[HULLS]", mesh_status_na);

-		mFMP->childSetTextArg("physics_points", "[POINTS]", mesh_status_na);

-	}

-

-	LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;

-	if (fmp)

-	{

-		if (phys_tris > 0 || phys_hulls > 0)

-		{

-			if (!fmp->isViewOptionEnabled("show_physics"))

-			{

-				fmp->enableViewOption("show_physics");

-				mViewOption["show_physics"] = true;

-			}

-		}

-		else

-		{

-			fmp->disableViewOption("show_physics");

-			mViewOption["show_physics"] = false;

-

-		}

-

-		//bool use_hull = fmp->childGetValue("physics_use_hull").asBoolean();

-

-		//fmp->childSetEnabled("physics_optimize", !use_hull);

-

-		bool enable = phys_tris > 0 || phys_hulls > 0;

-		//enable = enable && !use_hull && fmp->childGetValue("physics_optimize").asBoolean();

-

-		//enable/disable "analysis" UI

-		LLPanel* panel = fmp->getChild<LLPanel>("physics analysis");

-		LLView* child = panel->getFirstChild();

-		while (child)

-		{

-			child->setEnabled(enable);

-			child = panel->findNextSibling(child);

-		}

-

-		enable = phys_hulls > 0;

-		//enable/disable "simplification" UI

-		panel = fmp->getChild<LLPanel>("physics simplification");

-		child = panel->getFirstChild();

-		while (child)

-		{

-			child->setEnabled(enable);

-			child = panel->findNextSibling(child);

-		}

-	}

-

-	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"

-	};

-	const U32 num_lod_controls = sizeof(lod_controls)/sizeof(char*);

-

-	const char* file_controls[] =

-	{

-		"lod_browse",

-		"lod_file"

-	};

-	const U32 num_file_controls = sizeof(file_controls)/sizeof(char*);

-

-	if (fmp)

-	{

-		//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]);

-			}

-

-			for (U32 i = 0; i < num_lod_controls; ++i)

-			{

-				mFMP->childDisable(lod_controls[i]);

-			}

-		}

-		else if (mFMP->childGetValue("lod_none").asBoolean())

-		{

-			fmp->mLODMode[mPreviewLOD] = 2;

-			for (U32 i = 0; i < num_file_controls; ++i)

-			{

-				mFMP->childDisable(file_controls[i]);

-			}

-

-			for (U32 i = 0; i < num_lod_controls; ++i)

-			{

-				mFMP->childDisable(lod_controls[i]);

-			}

-

-			if (!mModel[mPreviewLOD].empty())

-			{

-				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;

-			}

-		}

-		else

-		{	// auto generate, also the default case for wizard which has no radio selection

-			fmp->mLODMode[mPreviewLOD] = 1;

-

-			for (U32 i = 0; i < num_file_controls; ++i)

-			{

-				mFMP->childDisable(file_controls[i]);

-			}

-

-			for (U32 i = 0; i < num_lod_controls; ++i)

-			{

-				mFMP->childEnable(lod_controls[i]);

-			}

-

-			//if (threshold)

-			{	

-				U32 lod_mode = 0;

-				LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode");

-				if (iface)

-				{

-					lod_mode = iface->getFirstSelectedIndex();

-				}

-

-				LLSpinCtrl* threshold = mFMP->getChild<LLSpinCtrl>("lod_error_threshold");

-				LLSpinCtrl* limit = mFMP->getChild<LLSpinCtrl>("lod_triangle_limit");

-

-				limit->setMaxValue(mMaxTriangleLimit);

-				limit->setValue(total_tris[mPreviewLOD]);

-

-				if (lod_mode == 0)

-				{

-					limit->setVisible(true);

-					threshold->setVisible(false);

-

-					limit->setMaxValue(mMaxTriangleLimit);

-				}

-				else

-				{

-					limit->setVisible(false);

-					threshold->setVisible(true);

-				}

-			}

-		}

-	}

-

-	if (mFMP->childGetValue("physics_load_from_file").asBoolean())

-	{

-		mFMP->childDisable("physics_lod_combo");

-		mFMP->childEnable("physics_file");

-		mFMP->childEnable("physics_browse");

-	}

-	else

-	{

-		mFMP->childEnable("physics_lod_combo");

-		mFMP->childDisable("physics_file");

-		mFMP->childDisable("physics_browse");

-	}

-}

-

-void LLModelPreview::setPreviewTarget(F32 distance)

-{

-	mCameraDistance = distance;

-	mCameraZoom = 1.f;

-	mCameraPitch = 0.f;

-	mCameraYaw = 0.f;

-	mCameraOffset.clearVec();

-}

-

-void LLModelPreview::clearBuffers()

-{

-	for (U32 i = 0; i < 6; i++)

-	{

-		mVertexBuffer[i].clear();

-	}

-}

-

-void LLModelPreview::genBuffers(S32 lod, bool include_skin_weights)

-{

-	U32 tri_count = 0;

-	U32 vertex_count = 0;

-	U32 mesh_count = 0;

-

-	LLModelLoader::model_list* model = NULL;

-

-	if (lod < 0 || lod > 4)

-	{

-		model = &mBaseModel;

-		lod = 5;

-	}

-	else

-	{

-		model = &(mModel[lod]);

-	}

-

-	if (!mVertexBuffer[lod].empty())

-	{

-		mVertexBuffer[lod].clear();

-	}

-

-	mVertexBuffer[lod].clear();

-

-	LLModelLoader::model_list::iterator base_iter = mBaseModel.begin();

-

-	for (LLModelLoader::model_list::iterator iter = model->begin(); iter != model->end(); ++iter)

-	{

-		LLModel* mdl = *iter;

-		if (!mdl)

-		{

-			continue;

-		}

-

-		LLModel* base_mdl = *base_iter;

-		base_iter++;

-

-		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)

-		{

-			const LLVolumeFace &vf = mdl->getVolumeFace(i);

-			U32 num_vertices = vf.mNumVertices;

-			U32 num_indices = vf.mNumIndices;

-

-			if (!num_vertices || ! num_indices)

-			{

-				continue;

-			}

-

-			LLVertexBuffer* vb = NULL;

-

-			bool skinned = include_skin_weights && !mdl->mSkinWeights.empty();

-

-			U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;

-

-			if (skinned)

-			{

-				mask |= LLVertexBuffer::MAP_WEIGHT4;

-			}

-

-			vb = new LLVertexBuffer(mask, 0);

-

-			vb->allocateBuffer(num_vertices, num_indices, TRUE);

-

-			LLStrider<LLVector3> vertex_strider;

-			LLStrider<LLVector3> normal_strider;

-			LLStrider<LLVector2> tc_strider;

-			LLStrider<U16> index_strider;

-			LLStrider<LLVector4> weights_strider;

-

-			vb->getVertexStrider(vertex_strider);

-			vb->getNormalStrider(normal_strider);

-			vb->getTexCoord0Strider(tc_strider);

-			vb->getIndexStrider(index_strider);

-

-			if (skinned)

-			{

-				vb->getWeight4Strider(weights_strider);

-			}

-

-			LLVector4a::memcpyNonAliased16((F32*) vertex_strider.get(), (F32*) vf.mPositions, num_vertices*4*sizeof(F32));

-			LLVector4a::memcpyNonAliased16((F32*) tc_strider.get(), (F32*) vf.mTexCoords, num_vertices*2*sizeof(F32));

-			LLVector4a::memcpyNonAliased16((F32*) normal_strider.get(), (F32*) vf.mNormals, num_vertices*4*sizeof(F32));

-

-			if (skinned)

-			{

-				for (U32 i = 0; i < num_vertices; i++)

-				{

-					//find closest weight to vf.mVertices[i].mPosition

-					LLVector3 pos(vf.mPositions[i].getF32ptr());

-

-					const LLModel::weight_list& weight_list = base_mdl->getJointInfluences(pos);

-

-					LLVector4 w(0,0,0,0);

-					if (weight_list.size() > 4)

-					{

-						llerrs << "WTF?" << llendl;

-					}

-

-					for (U32 i = 0; i < weight_list.size(); ++i)

-					{

-						F32 wght = llmin(weight_list[i].mWeight, 0.999999f);

-						F32 joint = (F32) weight_list[i].mJointIdx;

-						w.mV[i] = joint + wght;

-					}

-

-					*(weights_strider++) = w;

-				}

-			}

-

-			// build indices

-			for (U32 i = 0; i < num_indices; i++)

-			{

-				*(index_strider++) = vf.mIndices[i];

-			}

-

-			mVertexBuffer[lod][mdl].push_back(vb);

-

-			vertex_count += num_vertices;

-			tri_count += num_indices/3;

-			++mesh_count;

-

-		}

-	}

-}

-

-void LLModelPreview::update()

-{

-	if (mDirty)

-	{

-		mDirty = false;

-		mResourceCost = calcResourceCost();

-		refresh();

-		updateStatusMessages();

-	}

-

-	if (mGenLOD)

-	{

-		mGenLOD = false;

-		genLODs();

-		refresh();

-		updateStatusMessages();

-	}

-

-}

-

-//-----------------------------------------------------------------------------

-// render()

-//-----------------------------------------------------------------------------

-BOOL LLModelPreview::render()

-{

-	assert_main_thread();

-

-	LLMutexLock lock(this);

-	mNeedsUpdate = FALSE;

-

-	bool edges = mViewOption["show_edges"];

-	bool joint_positions = mViewOption["show_joint_positions"];

-	bool skin_weight = mViewOption["show_skin_weight"];

-	bool textures = mViewOption["show_textures"];

-	bool physics = mViewOption["show_physics"];

-

-	S32 width = getWidth();

-	S32 height = getHeight();

-

-	LLGLSUIDefault def;

-	LLGLDisable no_blend(GL_BLEND);

-	LLGLEnable cull(GL_CULL_FACE);

-	LLGLDepthTest depth(GL_TRUE);

-	LLGLDisable fog(GL_FOG);

-

-	{

-		//clear background to blue

-		glMatrixMode(GL_PROJECTION);

-		gGL.pushMatrix();

-		glLoadIdentity();

-		glOrtho(0.0f, width, 0.0f, height, -1.0f, 1.0f);

-

-		glMatrixMode(GL_MODELVIEW);

-		gGL.pushMatrix();

-		glLoadIdentity();

-

-		gGL.color4f(0.15f, 0.2f, 0.3f, 1.f);

-

-		gl_rect_2d_simple( width, height );

-

-		glMatrixMode(GL_PROJECTION);

-		gGL.popMatrix();

-

-		glMatrixMode(GL_MODELVIEW);

-		gGL.popMatrix();

-	}

-

-	LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;

-	

-	bool has_skin_weights = false;

-	bool upload_skin = mFMP->childGetValue("upload_skin").asBoolean();

-	bool upload_joints = mFMP->childGetValue("upload_joints").asBoolean();

-

-	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)

-	{

-		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)

-		{

-			LLModelInstance& instance = *model_iter;

-			LLModel* model = instance.mModel;

-			if (!model->mSkinWeights.empty())

-			{

-				has_skin_weights = true;

-			}

-		}

-	}

-

-	if (has_skin_weights)

-	{ //model has skin weights, enable view options for skin weights and joint positions

-		if (fmp)

-		{

-			fmp->enableViewOption("show_skin_weight");

-			fmp->setViewOptionEnabled("show_joint_positions", skin_weight);

-		}

-		mFMP->childEnable("upload_skin");

-	}

-	else

-	{

-		mFMP->childDisable("upload_skin");

-		if (fmp)

-		{

-			mViewOption["show_skin_weight"] = false;

-			fmp->disableViewOption("show_skin_weight");

-			fmp->disableViewOption("show_joint_positions");

-		}

-		skin_weight = false;

-	}

-

-	if (upload_skin && !has_skin_weights)

-	{ //can't upload skin weights if model has no skin weights

-		mFMP->childSetValue("upload_skin", false);

-		upload_skin = false;

-	}

-

-	if (!upload_skin && upload_joints)

-	{ //can't upload joints if not uploading skin weights

-		mFMP->childSetValue("upload_joints", false);

-		upload_joints = false;

-	}

-

-	mFMP->childSetEnabled("upload_joints", upload_skin);

-

-	F32 explode = mFMP->childGetValue("physics_explode").asReal();

-

-	glClear(GL_DEPTH_BUFFER_BIT);

-

-	LLRect preview_rect = mFMP->getChildView("preview_panel")->getRect();

-	F32 aspect = (F32) preview_rect.getWidth()/preview_rect.getHeight();

-

-	LLViewerCamera::getInstance()->setAspect(aspect);

-

-	LLViewerCamera::getInstance()->setView(LLViewerCamera::getInstance()->getDefaultFOV() / mCameraZoom);

-

-	LLVector3 offset = mCameraOffset;

-	LLVector3 target_pos = mPreviewTarget+offset;

-

-	F32 z_near = 0.001f;

-	F32 z_far = mCameraDistance+mPreviewScale.magVec()+mCameraOffset.magVec();

-

-	if (skin_weight)

-	{

-		target_pos = gAgentAvatarp->getPositionAgent();

-		z_near = 0.01f;

-		z_far = 1024.f;

-		mCameraDistance = 16.f;

-

-		//render avatar previews every frame

-		refresh();

-	}

-

-	glLoadIdentity();

-	gPipeline.enableLightsPreview();

-

-	LLQuaternion camera_rot = LLQuaternion(mCameraPitch, LLVector3::y_axis) *

-	LLQuaternion(mCameraYaw, LLVector3::z_axis);

-

-	LLQuaternion av_rot = camera_rot;

-	LLViewerCamera::getInstance()->setOriginAndLookAt(

-													  target_pos + ((LLVector3(mCameraDistance, 0.f, 0.f) + offset) * av_rot),		// camera

-													  LLVector3::z_axis,																	// up

-													  target_pos);											// point of interest

-

-

-	LLViewerCamera::getInstance()->setPerspective(FALSE, mOrigin.mX, mOrigin.mY, width, height, FALSE, z_near, z_far);

-

-	stop_glerror();

-

-	gGL.pushMatrix();

-	const F32 BRIGHTNESS = 0.9f;

-	gGL.color3f(BRIGHTNESS, BRIGHTNESS, BRIGHTNESS);

-

-	LLGLEnable normalize(GL_NORMALIZE);

-

-	if (!mBaseModel.empty() && mVertexBuffer[5].empty())

-	{

-		genBuffers(-1, skin_weight);

-		//genBuffers(3);

-		//genLODs();

-	}

-

-	if (!mModel[mPreviewLOD].empty())

-	{

-		bool regen = mVertexBuffer[mPreviewLOD].empty();

-		if (!regen)

-		{

-			const std::vector<LLPointer<LLVertexBuffer> >& vb_vec = mVertexBuffer[mPreviewLOD].begin()->second;

-			if (!vb_vec.empty())

-			{

-				const LLVertexBuffer* buff = vb_vec[0];

-				regen = buff->hasDataType(LLVertexBuffer::TYPE_WEIGHT4) != skin_weight;

-			}

-		}

-

-		if (regen)

-		{

-			genBuffers(mPreviewLOD, skin_weight);

-		}

-

-		if (!skin_weight)

-		{

-			for (LLMeshUploadThread::instance_list::iterator iter = mUploadData.begin(); iter != mUploadData.end(); ++iter)

-			{

-				LLModelInstance& instance = *iter;

-

-				LLModel* model = instance.mLOD[mPreviewLOD];

-

-				if (!model)

-				{

-					continue;

-				}

-

-				gGL.pushMatrix();

-				LLMatrix4 mat = instance.mTransform;

-

-				glMultMatrixf((GLfloat*) mat.mMatrix);

-

-				for (U32 i = 0; i < mVertexBuffer[mPreviewLOD][model].size(); ++i)

-				{

-					LLVertexBuffer* buffer = mVertexBuffer[mPreviewLOD][model][i];

-

-					buffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);

-

-					if (textures)

-					{

-						glColor4fv(instance.mMaterial[i].mDiffuseColor.mV);

-						if (i < instance.mMaterial.size() && instance.mMaterial[i].mDiffuseMap.notNull())

-						{

-							gGL.getTexUnit(0)->bind(instance.mMaterial[i].mDiffuseMap, true);

-							if (instance.mMaterial[i].mDiffuseMap->getDiscardLevel() > -1)

-							{

-								mTextureSet.insert(instance.mMaterial[i].mDiffuseMap);

-							}

-						}

-					}

-					else

-					{

-						glColor4f(1,1,1,1);

-					}

-

-					buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);

-					gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

-					glColor3f(0.4f, 0.4f, 0.4f);

-

-					if (edges)

-					{

-						glLineWidth(3.f);

-						glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

-						buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);

-						glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

-						glLineWidth(1.f);

-					}

-				}

-				gGL.popMatrix();

-			}

-

-			if (physics)

-			{

-				glClear(GL_DEPTH_BUFFER_BIT);

-				LLGLEnable blend(GL_BLEND);

-				gGL.blendFunc(LLRender::BF_ONE, LLRender::BF_ZERO);

-

-				for (LLMeshUploadThread::instance_list::iterator iter = mUploadData.begin(); iter != mUploadData.end(); ++iter)

-				{

-					LLModelInstance& instance = *iter;

-

-					LLModel* model = instance.mLOD[LLModel::LOD_PHYSICS];

-

-					if (!model)

-					{

-						continue;

-					}

-

-					gGL.pushMatrix();

-					LLMatrix4 mat = instance.mTransform;

-

-					glMultMatrixf((GLfloat*) mat.mMatrix);

-

-

-					bool render_mesh = true;

-

-					LLPhysicsDecomp* decomp = gMeshRepo.mDecompThread;

-					if (decomp)

-					{

-						LLMutexLock(decomp->mMutex);

-

-						std::map<LLPointer<LLModel>, std::vector<LLPointer<LLVertexBuffer> > >::iterator iter =

-							mPhysicsMesh.find(model);

-						if (iter != mPhysicsMesh.end())

-						{ //render hull instead of mesh

-							render_mesh = false;

-							for (U32 i = 0; i < iter->second.size(); ++i)

-							{

-								if (explode > 0.f)

-								{

-									gGL.pushMatrix();

-

-									LLVector3 offset = model->mHullCenter[i]-model->mCenterOfHullCenters;

-									offset *= explode;

-

-									gGL.translatef(offset.mV[0], offset.mV[1], offset.mV[2]);

-								}

-

-								static std::vector<LLColor4U> hull_colors;

-

-								if (i+1 >= hull_colors.size())

-								{

-									hull_colors.push_back(LLColor4U(rand()%128+127, rand()%128+127, rand()%128+127, 255));

-								}

-

-								LLVertexBuffer* buff = iter->second[i];

-								if (buff)

-								{

-									buff->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL);

-

-									glColor4ubv(hull_colors[i].mV);

-									buff->drawArrays(LLRender::TRIANGLES, 0, buff->getNumVerts());

-								}

-

-								if (explode > 0.f)

-								{

-									gGL.popMatrix();

-								}

-							}

-						}

-					}

-

-					if (render_mesh)

-					{

-						if (mVertexBuffer[LLModel::LOD_PHYSICS].empty())

-						{

-							genBuffers(LLModel::LOD_PHYSICS, false);

-						}

-						for (U32 i = 0; i < mVertexBuffer[LLModel::LOD_PHYSICS][model].size(); ++i)

-						{

-							LLVertexBuffer* buffer = mVertexBuffer[LLModel::LOD_PHYSICS][model][i];

-

-							buffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);

-

-							buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);

-							gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

-							glColor4f(0.4f, 0.4f, 0.0f, 0.4f);

-

-							buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);

-

-							glColor3f(1.f, 1.f, 0.f);

-

-							glLineWidth(3.f);

-							glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

-							buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);

-							glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

-							glLineWidth(1.f);

-						}

-					}

-

-					gGL.popMatrix();

-				}

-

-				gGL.setSceneBlendType(LLRender::BT_ALPHA);

-			}

-		}

-		else

-		{

-			LLVOAvatarSelf* avatar = gAgentAvatarp;

-			target_pos = avatar->getPositionAgent();

-

-			LLViewerCamera::getInstance()->setOriginAndLookAt(

-															  target_pos + ((LLVector3(mCameraDistance, 0.f, 0.f) + offset) * av_rot),		// camera

-															  LLVector3::z_axis,																	// up

-															  target_pos);											// point of interest

-

-			if (joint_positions)

-			{

-				avatar->renderCollisionVolumes();

-			}

-

-			for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)

-			{

-				for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)

-				{

-					LLModelInstance& instance = *model_iter;

-					LLModel* model = instance.mModel;

-

-					if (!model->mSkinWeights.empty())

-					{

-						for (U32 i = 0; i < mVertexBuffer[mPreviewLOD][model].size(); ++i)

-						{

-							LLVertexBuffer* buffer = mVertexBuffer[mPreviewLOD][model][i];

-

-							const LLVolumeFace& face = model->getVolumeFace(i);

-

-							LLStrider<LLVector3> position;

-							buffer->getVertexStrider(position);

-

-							LLStrider<LLVector4> weight;

-							buffer->getWeight4Strider(weight);

-

-							//quick 'n dirty software vertex skinning

-

-							//build matrix palette

-							LLMatrix4 mat[64];

-							for (U32 j = 0; j < model->mJointList.size(); ++j)

-							{

-								LLJoint* joint = avatar->getJoint(model->mJointList[j]);

-								if (joint)

-								{

-									mat[j] = model->mInvBindMatrix[j];

-									mat[j] *= joint->getWorldMatrix();

-								}

-							}

-

-							for (U32 j = 0; j < buffer->getRequestedVerts(); ++j)

-							{

-								LLMatrix4 final_mat;

-								final_mat.mMatrix[0][0] = final_mat.mMatrix[1][1] = final_mat.mMatrix[2][2] = final_mat.mMatrix[3][3] = 0.f;

-

-								LLVector4 wght;

-								S32 idx[4];

-

-								F32 scale = 0.f;

-								for (U32 k = 0; k < 4; k++)

-								{

-									F32 w = weight[j].mV[k];

-

-									idx[k] = (S32) floorf(w);

-									wght.mV[k] = w - floorf(w);

-									scale += wght.mV[k];

-								}

-

-								wght *= 1.f/scale;

-

-								for (U32 k = 0; k < 4; k++)

-								{

-									F32* src = (F32*) mat[idx[k]].mMatrix;

-									F32* dst = (F32*) final_mat.mMatrix;

-

-									F32 w = wght.mV[k];

-

-									for (U32 l = 0; l < 16; l++)

-									{

-										dst[l] += src[l]*w;

-									}

-								}

-

-								//VECTORIZE THIS

-								LLVector3 v(face.mPositions[j].getF32ptr());

-

-								v = v * model->mBindShapeMatrix;

-								v = v * final_mat;

-

-								position[j] = v;

-							}

-

-							buffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);

-							glColor4fv(instance.mMaterial[i].mDiffuseColor.mV);

-							gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

-							buffer->draw(LLRender::TRIANGLES, buffer->getNumIndices(), 0);

-							glColor3f(0.4f, 0.4f, 0.4f);

-

-							if (edges)

-							{

-								glLineWidth(3.f);

-								glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

-								buffer->draw(LLRender::TRIANGLES, buffer->getNumIndices(), 0);

-								glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

-								glLineWidth(1.f);

-							}

-						}

-					}

-				}

-			}

-		}

-	}

-

-	gGL.popMatrix();

-

-	return TRUE;

-}

-

-//-----------------------------------------------------------------------------

-// refresh()

-//-----------------------------------------------------------------------------

-void LLModelPreview::refresh()

-{

-	mNeedsUpdate = TRUE;

-}

-

-//-----------------------------------------------------------------------------

-// rotate()

-//-----------------------------------------------------------------------------

-void LLModelPreview::rotate(F32 yaw_radians, F32 pitch_radians)

-{

-	mCameraYaw = mCameraYaw + yaw_radians;

-

-	mCameraPitch = llclamp(mCameraPitch + pitch_radians, F_PI_BY_TWO * -0.8f, F_PI_BY_TWO * 0.8f);

-}

-

-//-----------------------------------------------------------------------------

-// zoom()

-//-----------------------------------------------------------------------------

-void LLModelPreview::zoom(F32 zoom_amt)

-{

-	F32 new_zoom = mCameraZoom+zoom_amt;

-

-	mCameraZoom	= llclamp(new_zoom, 1.f, 10.f);

-}

-

-void LLModelPreview::pan(F32 right, F32 up)

-{

-	mCameraOffset.mV[VY] = llclamp(mCameraOffset.mV[VY] + right * mCameraDistance / mCameraZoom, -1.f, 1.f);

-	mCameraOffset.mV[VZ] = llclamp(mCameraOffset.mV[VZ] + up * mCameraDistance / mCameraZoom, -1.f, 1.f);

-}

-

-void LLModelPreview::setPreviewLOD(S32 lod)

-{

-	lod = llclamp(lod, 0, (S32) LLModel::LOD_HIGH);

-

-	if (lod != mPreviewLOD)

-	{

-		mPreviewLOD = 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]);

-

-		LLColor4 highlight_color = LLUIColorTable::instance().getColor("MeshImportTableHighlightColor");

-		LLColor4 normal_color = LLUIColorTable::instance().getColor("MeshImportTableNormalColor");

-

-		for (S32 i = 0; i <= LLModel::LOD_HIGH; ++i)

-		{

-			const LLColor4& color = (i == lod) ? highlight_color : normal_color;

-

-			mFMP->childSetColor(lod_status_name[i], color);

-			mFMP->childSetColor(lod_label_name[i], color);

-			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)

-{

-	assert_main_thread();

-

-	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) data;

-	mp->loadModel(mp->mModelPreview->mPreviewLOD);

-}

-

-//static

-void LLFloaterModelPreview::onUpload(void* user_data)

-{

-	assert_main_thread();

-

-	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;

-

-	mp->mModelPreview->rebuildUploadData();

-

-	gMeshRepo.uploadModel(mp->mModelPreview->mUploadData, mp->mModelPreview->mPreviewScale,

-						  mp->childGetValue("upload_textures").asBoolean(), mp->childGetValue("upload_skin"), mp->childGetValue("upload_joints"));

-

-	mp->closeFloater(false);

-}

-

-

-//static

-void LLFloaterModelPreview::onClearMaterials(void* user_data)

-{

-	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;

-	mp->mModelPreview->clearMaterials();

-}

-

-//static

-void LLFloaterModelPreview::refresh(LLUICtrl* ctrl, void* user_data)

-{

-	sInstance->mModelPreview->mDirty = true;

-}

-

-void LLFloaterModelPreview::updateResourceCost()

-{

-	U32 cost = mModelPreview->mResourceCost;

-	childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d",cost));

-}

-

-//static

-void LLModelPreview::textureLoadedCallback( BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* src_aux, S32 discard_level, BOOL final, void* userdata )

-{

-	LLModelPreview* preview = (LLModelPreview*) userdata;

-	preview->refresh();

-}

-

-LLFloaterModelPreview::DecompRequest::DecompRequest(const std::string& stage, LLModel* mdl)

-{

-	mStage = stage;

-	mContinue = 1;

-	mModel = mdl;

-	mDecompID = &mdl->mDecompID;

-	mParams = sInstance->mDecompParams;

-

-	//copy out positions and indices

-	if (mdl)

-	{

-		U16 index_offset = 0;

-

-		mPositions.clear();

-		mIndices.clear();

-

-		//queue up vertex positions and indices

-		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)

-		{

-			const LLVolumeFace& face = mdl->getVolumeFace(i);

-			if (mPositions.size() + face.mNumVertices > 65535)

-			{

-				continue;

-			}

-

-			for (U32 j = 0; j < face.mNumVertices; ++j)

-			{

-				mPositions.push_back(LLVector3(face.mPositions[j].getF32ptr()));

-			}

-

-			for (U32 j = 0; j < face.mNumIndices; ++j)

-			{

-				mIndices.push_back(face.mIndices[j]+index_offset);

-			}

-

-			index_offset += face.mNumVertices;

-		}

-	}

-}

-

-void LLFloaterModelPreview::setStatusMessage(const std::string& msg)

-{

-	LLMutexLock lock(mStatusLock);

-	mStatusMessage = msg;

-}

-

-S32 LLFloaterModelPreview::DecompRequest::statusCallback(const char* status, S32 p1, S32 p2)

-{

-	setStatusMessage(llformat("%s: %d/%d", status, p1, p2));

-	if (LLFloaterModelPreview::sInstance)

-	{

-		LLFloaterModelPreview::sInstance->setStatusMessage(mStatusMessage);

-	}

-

-	return mContinue;

-}

-

-void LLFloaterModelPreview::DecompRequest::completed()

-{ //called from the main thread

-	mModel->setConvexHullDecomposition(mHull);

-

-	if (sInstance)

-	{

-		if (sInstance->mModelPreview)

-		{

-			sInstance->mModelPreview->mPhysicsMesh[mModel] = mHullMesh;

-			sInstance->mModelPreview->mDirty = true;

-			LLFloaterModelPreview::sInstance->mModelPreview->refresh();

-		}

-

-		sInstance->mCurRequest.erase(this);

-	}

-}

+/**
+ * @file llfloatermodelpreview.cpp
+ * @brief LLFloaterModelPreview class implementation
+ *
+ * $LicenseInfo:firstyear=2004&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "dae.h"
+//#include "dom.h"
+#include "dom/domAsset.h"
+#include "dom/domBind_material.h"
+#include "dom/domCOLLADA.h"
+#include "dom/domConstants.h"
+#include "dom/domController.h"
+#include "dom/domEffect.h"
+#include "dom/domGeometry.h"
+#include "dom/domInstance_geometry.h"
+#include "dom/domInstance_material.h"
+#include "dom/domInstance_node.h"
+#include "dom/domInstance_effect.h"
+#include "dom/domMaterial.h"
+#include "dom/domMatrix.h"
+#include "dom/domNode.h"
+#include "dom/domProfile_COMMON.h"
+#include "dom/domRotate.h"
+#include "dom/domScale.h"
+#include "dom/domTranslate.h"
+#include "dom/domVisual_scene.h"
+
+#include "llfloatermodelpreview.h"
+
+#include "llfilepicker.h"
+#include "llimagebmp.h"
+#include "llimagetga.h"
+#include "llimagejpeg.h"
+#include "llimagepng.h"
+
+#include "llagent.h"
+#include "llbutton.h"
+#include "llcombobox.h"
+#include "lldatapacker.h"
+#include "lldrawable.h"
+#include "lldrawpoolavatar.h"
+#include "llrender.h"
+#include "llface.h"
+#include "lleconomy.h"
+#include "llfocusmgr.h"
+#include "llfloaterperms.h"
+#include "lliconctrl.h"
+#include "llmatrix4a.h"
+#include "llmenubutton.h"
+#include "llmeshrepository.h"
+#include "llsdutil_math.h"
+#include "lltextbox.h"
+#include "lltoolmgr.h"
+#include "llui.h"
+#include "llvector4a.h"
+#include "llviewercamera.h"
+#include "llviewerwindow.h"
+#include "llvoavatar.h"
+#include "llvoavatarself.h"
+#include "pipeline.h"
+#include "lluictrlfactory.h"
+#include "llviewermenu.h"
+#include "llviewermenufile.h"
+#include "llviewerregion.h"
+#include "llviewertexturelist.h"
+#include "llstring.h"
+#include "llbutton.h"
+#include "llcheckboxctrl.h"
+#include "llradiogroup.h"
+#include "llsliderctrl.h"
+#include "llspinctrl.h"
+#include "lltoggleablemenu.h"
+#include "llvfile.h"
+#include "llvfs.h"
+#include "llcallbacklist.h"
+
+#include "glod/glod.h"
+
+//static
+S32 LLFloaterModelPreview::sUploadAmount = 10;
+LLFloaterModelPreview* LLFloaterModelPreview::sInstance = NULL;
+
+const S32 PREVIEW_BORDER_WIDTH = 2;
+const S32 PREVIEW_RESIZE_HANDLE_SIZE = S32(RESIZE_HANDLE_WIDTH * OO_SQRT2) + PREVIEW_BORDER_WIDTH;
+const S32 PREVIEW_HPAD = PREVIEW_RESIZE_HANDLE_SIZE;
+const S32 PREF_BUTTON_HEIGHT = 16 + 7 + 16;
+const S32 PREVIEW_TEXTURE_HEIGHT = 300;
+
+void drawBoxOutline(const LLVector3& pos, const LLVector3& size);
+
+
+std::string lod_name[NUM_LOD+1] =
+{
+	"lowest",
+	"low",
+	"medium",
+	"high",
+	"I went off the end of the lod_name array.  Me so smart."
+};
+
+std::string lod_triangles_name[NUM_LOD+1] =
+{
+	"lowest_triangles",
+	"low_triangles",
+	"medium_triangles",
+	"high_triangles",
+	"I went off the end of the lod_triangles_name array.  Me so smart."
+};
+
+std::string lod_vertices_name[NUM_LOD+1] =
+{
+	"lowest_vertices",
+	"low_vertices",
+	"medium_vertices",
+	"high_vertices",
+	"I went off the end of the lod_vertices_name array.  Me so smart."
+};
+
+std::string lod_status_name[NUM_LOD+1] =
+{
+	"lowest_status",
+	"low_status",
+	"medium_status",
+	"high_status",
+	"I went off the end of the lod_status_name array.  Me so smart."
+};
+
+std::string lod_icon_name[NUM_LOD+1] =
+{
+	"status_icon_lowest",
+	"status_icon_low",
+	"status_icon_medium",
+	"status_icon_high",
+	"I went off the end of the lod_status_name array.  Me so smart."
+};
+
+std::string lod_status_image[NUM_LOD+1] =
+{
+	"ModelImport_Status_Good",
+	"ModelImport_Status_Warning",
+	"ModelImport_Status_Error",
+	"I went off the end of the lod_status_image array.  Me so smart."
+};
+
+std::string lod_label_name[NUM_LOD+1] =
+{
+	"lowest_label",
+	"low_label",
+	"medium_label",
+	"high_label",
+	"I went off the end of the lod_label_name array.  Me so smart."
+};
+
+
+bool validate_face(const LLVolumeFace& face)
+{
+	for (U32 i = 0; i < face.mNumIndices; ++i)
+	{
+		if (face.mIndices[i] >= face.mNumVertices)
+		{
+			llwarns << "Face has invalid index." << llendl;
+			return false;
+		}
+	}
+
+	return true;
+}
+
+bool validate_model(const LLModel* mdl)
+{
+	if (mdl->getNumVolumeFaces() == 0)
+	{
+		llwarns << "Model has no faces!" << llendl;
+		return false;
+	}
+
+	for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+	{
+		if (mdl->getVolumeFace(i).mNumVertices == 0)
+		{
+			llwarns << "Face has no vertices." << llendl;
+			return false;
+		}
+
+		if (mdl->getVolumeFace(i).mNumIndices == 0)
+		{
+			llwarns << "Face has no indices." << llendl;
+			return false;
+		}
+
+		if (!validate_face(mdl->getVolumeFace(i)))
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+BOOL stop_gloderror()
+{
+	GLuint error = glodGetError();
+
+	if (error != GLOD_NO_ERROR)
+	{
+		llwarns << "GLOD error detected, cannot generate LOD: " << std::hex << error << llendl;
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+LLMeshFilePicker::LLMeshFilePicker(LLModelPreview* mp, S32 lod)
+	: LLFilePickerThread(LLFilePicker::FFLOAD_COLLADA)
+	{
+		mMP = mp;
+		mLOD = lod;
+	}
+
+void LLMeshFilePicker::notify(const std::string& filename)
+{
+	mMP->loadModel(mFile, mLOD);
+}
+
+
+//-----------------------------------------------------------------------------
+// LLFloaterModelPreview()
+//-----------------------------------------------------------------------------
+LLFloaterModelPreview::LLFloaterModelPreview(const LLSD& key) :
+LLFloater(key)
+{
+	sInstance = this;
+	mLastMouseX = 0;
+	mLastMouseY = 0;
+	mGLName = 0;
+	mStatusLock = new LLMutex(NULL);
+
+	mLODMode[LLModel::LOD_HIGH] = 0;
+	for (U32 i = 0; i < LLModel::LOD_HIGH; i++)
+	{
+		mLODMode[i] = 1;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// postBuild()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::postBuild()
+{
+	if (!LLFloater::postBuild())
+	{
+		return FALSE;
+	}
+
+
+
+
+
+
+	childSetAction("lod_browse", onBrowseLOD, this);
+
+	childSetCommitCallback("cancel_btn", onCancel, this);
+	childSetCommitCallback("crease_angle", onGenerateNormalsCommit, this);
+	childSetCommitCallback("generate_normals", onGenerateNormalsCommit, this);
+
+	childSetCommitCallback("lod_generate", onAutoFillCommit, this);
+
+	childSetCommitCallback("lod_mode", onLODParamCommit, this);
+	childSetCommitCallback("lod_error_threshold", onLODParamCommit, this);
+	childSetCommitCallback("lod_triangle_limit", onLODParamCommit, this);
+	childSetCommitCallback("build_operator", onLODParamCommit, this);
+	childSetCommitCallback("queue_mode", onLODParamCommit, this);
+	childSetCommitCallback("border_mode", onLODParamCommit, this);
+	childSetCommitCallback("share_tolerance", onLODParamCommit, this);
+
+	childSetTextArg("status", "[STATUS]", getString("status_idle"));
+
+	//childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d",sUploadAmount));
+	childSetAction("ok_btn", onUpload, this);
+	childDisable("ok_btn");
+
+	childSetAction("clear_materials", onClearMaterials, this);
+
+	childSetCommitCallback("preview_lod_combo", onPreviewLODCommit, this);
+
+	childSetCommitCallback("upload_skin", onUploadSkinCommit, this);
+	childSetCommitCallback("upload_joints", onUploadJointsCommit, this);
+
+	childSetCommitCallback("import_scale", onImportScaleCommit, this);
+
+	childSetCommitCallback("lod_file_or_limit", refresh, this);
+	childSetCommitCallback("physics_load_radio", refresh, this);
+	//childSetCommitCallback("physics_optimize", refresh, this);
+	//childSetCommitCallback("physics_use_hull", refresh, this);
+
+	childDisable("upload_skin");
+	childDisable("upload_joints");
+	childDisable("ok_btn");
+
+	mViewOptionMenuButton = getChild<LLMenuButton>("options_gear_btn");
+
+	mCommitCallbackRegistrar.add("ModelImport.ViewOption.Action", boost::bind(&LLFloaterModelPreview::onViewOptionChecked, this, _2));
+	mEnableCallbackRegistrar.add("ModelImport.ViewOption.Check", boost::bind(&LLFloaterModelPreview::isViewOptionChecked, this, _2));
+	mEnableCallbackRegistrar.add("ModelImport.ViewOption.Enabled", boost::bind(&LLFloaterModelPreview::isViewOptionEnabled, this, _2));
+
+
+
+	mViewOptionMenu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>("menu_model_import_gear_default.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
+	mViewOptionMenuButton->setMenu(mViewOptionMenu, LLMenuButton::MP_BOTTOM_LEFT);
+
+	initDecompControls();
+
+	LLView* preview_panel = getChild<LLView>("preview_panel");
+
+	mPreviewRect = preview_panel->getRect();
+
+	mModelPreview = new LLModelPreview(512, 512, this);
+	mModelPreview->setPreviewTarget(16.f);
+
+	//set callbacks for left click on line editor rows
+	for (U32 i = 0; i <= LLModel::LOD_HIGH; i++)
+	{
+		LLTextBox* text = getChild<LLTextBox>(lod_label_name[i]);
+		if (text)
+		{
+			text->setMouseDownCallback(boost::bind(&LLModelPreview::setPreviewLOD, mModelPreview, i));
+		}
+
+		text = getChild<LLTextBox>(lod_triangles_name[i]);
+		if (text)
+		{
+			text->setMouseDownCallback(boost::bind(&LLModelPreview::setPreviewLOD, mModelPreview, i));
+		}
+
+		text = getChild<LLTextBox>(lod_vertices_name[i]);
+		if (text)
+		{
+			text->setMouseDownCallback(boost::bind(&LLModelPreview::setPreviewLOD, mModelPreview, i));
+		}
+
+		text = getChild<LLTextBox>(lod_status_name[i]);
+		if (text)
+		{
+			text->setMouseDownCallback(boost::bind(&LLModelPreview::setPreviewLOD, mModelPreview, i));
+		}
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLFloaterModelPreview()
+//-----------------------------------------------------------------------------
+LLFloaterModelPreview::~LLFloaterModelPreview()
+{
+	sInstance = NULL;
+
+	if ( mModelPreview->containsRiggedAsset() )
+	{
+		gAgentAvatarp->resetJointPositions();
+	}
+
+	delete mModelPreview;
+
+	if (mGLName)
+	{
+		LLImageGL::deleteTextures(1, &mGLName );
+	}
+
+	delete mStatusLock;
+	mStatusLock = NULL;
+}
+
+void LLFloaterModelPreview::onViewOptionChecked(const LLSD& userdata)
+{
+	if (mModelPreview)
+	{
+		mModelPreview->mViewOption[userdata.asString()] = !mModelPreview->mViewOption[userdata.asString()];
+		
+		mModelPreview->refresh();
+	}
+}
+
+bool LLFloaterModelPreview::isViewOptionChecked(const LLSD& userdata)
+{
+	if (mModelPreview)
+	{
+		return mModelPreview->mViewOption[userdata.asString()];
+	}
+
+	return false;
+}
+
+bool LLFloaterModelPreview::isViewOptionEnabled(const LLSD& userdata)
+{
+	return !mViewOptionDisabled[userdata.asString()];
+}
+
+void LLFloaterModelPreview::setViewOptionEnabled(const std::string& option, bool enabled)
+{
+	mViewOptionDisabled[option] = !enabled;
+}
+
+void LLFloaterModelPreview::enableViewOption(const std::string& option)
+{
+	setViewOptionEnabled(option, true);
+}
+
+void LLFloaterModelPreview::disableViewOption(const std::string& option)
+{
+	setViewOptionEnabled(option, false);
+}
+
+void LLFloaterModelPreview::loadModel(S32 lod)
+{
+	mModelPreview->mLoading = true;
+
+	(new LLMeshFilePicker(mModelPreview, lod))->getFile();
+}
+
+//static
+void LLFloaterModelPreview::onImportScaleCommit(LLUICtrl*,void* userdata)
+{
+	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;
+
+	if (!fp->mModelPreview)
+	{
+		return;
+	}
+
+	fp->mModelPreview->calcResourceCost();
+	fp->mModelPreview->refresh();
+}
+
+//static
+void LLFloaterModelPreview::onUploadJointsCommit(LLUICtrl*,void* userdata)
+{
+	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;
+
+	if (!fp->mModelPreview)
+	{
+		return;
+	}
+
+	fp->mModelPreview->refresh();
+}
+
+//static
+void LLFloaterModelPreview::onUploadSkinCommit(LLUICtrl*,void* userdata)
+{
+	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;
+
+	if (!fp->mModelPreview)
+	{
+		return;
+	}
+
+	fp->mModelPreview->refresh();
+	fp->mModelPreview->resetPreviewTarget();
+	fp->mModelPreview->clearBuffers();
+}
+
+//static
+void LLFloaterModelPreview::onPreviewLODCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;
+
+	if (!fp->mModelPreview)
+	{
+		return;
+	}
+
+	S32 which_mode = 0;
+
+	LLComboBox* combo = (LLComboBox*) ctrl;
+
+	which_mode = (NUM_LOD-1)-combo->getFirstSelectedIndex(); // combo box list of lods is in reverse order
+
+	fp->mModelPreview->setPreviewLOD(which_mode);
+}
+
+//static
+void LLFloaterModelPreview::onGenerateNormalsCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
+
+	fp->mModelPreview->generateNormals();
+}
+
+//static
+void LLFloaterModelPreview::onExplodeCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview* fp = LLFloaterModelPreview::sInstance;
+
+	fp->mModelPreview->refresh();
+}
+
+//static
+void LLFloaterModelPreview::onAutoFillCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
+
+	fp->mModelPreview->genLODs();
+}
+
+//static
+void LLFloaterModelPreview::onLODParamCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
+	fp->mModelPreview->genLODs(fp->mModelPreview->mPreviewLOD);
+	fp->mModelPreview->updateStatusMessages();
+	fp->mModelPreview->refresh();
+}
+
+
+//-----------------------------------------------------------------------------
+// draw()
+//-----------------------------------------------------------------------------
+void LLFloaterModelPreview::draw()
+{
+	LLFloater::draw();
+	LLRect r = getRect();
+
+	mModelPreview->update();
+
+	if (!mModelPreview->mLoading)
+	{
+		childSetTextArg("status", "[STATUS]", getString("status_idle"));
+	}
+
+	childSetTextArg("prim_cost", "[PRIM_COST]", llformat("%d", mModelPreview->mResourceCost));
+	childSetTextArg("description_label", "[TEXTURES]", llformat("%d", mModelPreview->mTextureSet.size()));
+
+	if (!mCurRequest.empty())
+	{
+		LLMutexLock lock(mStatusLock);
+		childSetTextArg("status", "[STATUS]", mStatusMessage);
+	}
+	else
+	{
+		childSetVisible("Simplify", true);
+		childSetVisible("simplify_cancel", false);
+		childSetVisible("Decompose", true);
+		childSetVisible("decompose_cancel", false);
+	}
+	
+	U32 resource_cost = mModelPreview->mResourceCost*10;
+
+	if (childGetValue("upload_textures").asBoolean())
+	{
+		resource_cost += mModelPreview->mTextureSet.size()*10;
+	}
+
+	childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d", resource_cost));
+
+	if (mModelPreview)
+	{
+		gGL.color3f(1.f, 1.f, 1.f);
+
+		gGL.getTexUnit(0)->bind(mModelPreview);
+
+
+		LLView* preview_panel = getChild<LLView>("preview_panel");
+
+		LLRect rect = preview_panel->getRect();
+		if (rect != mPreviewRect)
+		{
+			mModelPreview->refresh();
+			mPreviewRect = preview_panel->getRect();
+		}
+
+		gGL.begin( LLRender::QUADS );
+		{
+			gGL.texCoord2f(0.f, 1.f);
+			gGL.vertex2i(mPreviewRect.mLeft, mPreviewRect.mTop);
+			gGL.texCoord2f(0.f, 0.f);
+			gGL.vertex2i(mPreviewRect.mLeft, mPreviewRect.mBottom);
+			gGL.texCoord2f(1.f, 0.f);
+			gGL.vertex2i(mPreviewRect.mRight, mPreviewRect.mBottom);
+			gGL.texCoord2f(1.f, 1.f);
+			gGL.vertex2i(mPreviewRect.mRight, mPreviewRect.mTop);
+		}
+		gGL.end();
+
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// handleMouseDown()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+	if (mPreviewRect.pointInRect(x, y))
+	{
+		bringToFront( x, y );
+		gFocusMgr.setMouseCapture(this);
+		gViewerWindow->hideCursor();
+		mLastMouseX = x;
+		mLastMouseY = y;
+		return TRUE;
+	}
+
+	return LLFloater::handleMouseDown(x, y, mask);
+}
+
+//-----------------------------------------------------------------------------
+// handleMouseUp()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+	gFocusMgr.setMouseCapture(FALSE);
+	gViewerWindow->showCursor();
+	return LLFloater::handleMouseUp(x, y, mask);
+}
+
+//-----------------------------------------------------------------------------
+// handleHover()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::handleHover	(S32 x, S32 y, MASK mask)
+{
+	MASK local_mask = mask & ~MASK_ALT;
+
+	if (mModelPreview && hasMouseCapture())
+	{
+		if (local_mask == MASK_PAN)
+		{
+			// pan here
+			mModelPreview->pan((F32)(x - mLastMouseX) * -0.005f, (F32)(y - mLastMouseY) * -0.005f);
+		}
+		else if (local_mask == MASK_ORBIT)
+		{
+			F32 yaw_radians = (F32)(x - mLastMouseX) * -0.01f;
+			F32 pitch_radians = (F32)(y - mLastMouseY) * 0.02f;
+
+			mModelPreview->rotate(yaw_radians, pitch_radians);
+		}
+		else
+		{
+
+			F32 yaw_radians = (F32)(x - mLastMouseX) * -0.01f;
+			F32 zoom_amt = (F32)(y - mLastMouseY) * 0.02f;
+
+			mModelPreview->rotate(yaw_radians, 0.f);
+			mModelPreview->zoom(zoom_amt);
+		}
+
+
+		mModelPreview->refresh();
+
+		LLUI::setMousePositionLocal(this, mLastMouseX, mLastMouseY);
+	}
+
+	if (!mPreviewRect.pointInRect(x, y) || !mModelPreview)
+	{
+		return LLFloater::handleHover(x, y, mask);
+	}
+	else if (local_mask == MASK_ORBIT)
+	{
+		gViewerWindow->setCursor(UI_CURSOR_TOOLCAMERA);
+	}
+	else if (local_mask == MASK_PAN)
+	{
+		gViewerWindow->setCursor(UI_CURSOR_TOOLPAN);
+	}
+	else
+	{
+		gViewerWindow->setCursor(UI_CURSOR_TOOLZOOMIN);
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// handleScrollWheel()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::handleScrollWheel(S32 x, S32 y, S32 clicks)
+{
+	if (mPreviewRect.pointInRect(x, y) && mModelPreview)
+	{
+		mModelPreview->zoom((F32)clicks * -0.2f);
+		mModelPreview->refresh();
+	}
+
+	return TRUE;
+}
+
+//static
+void LLFloaterModelPreview::onPhysicsParamCommit(LLUICtrl* ctrl, void* data)
+{
+	if (LLConvexDecomposition::getInstance() == NULL)
+	{
+		llinfos << "convex decomposition tool is a stub on this platform. cannot get decomp." << llendl;
+		return;
+	}
+
+	if (sInstance)
+	{
+		LLCDParam* param = (LLCDParam*) data;
+		std::string name(param->mName);
+		sInstance->mDecompParams[name] = ctrl->getValue();
+
+		if (name == "Simplify Method")
+		{
+			 if (ctrl->getValue().asInteger() == 0)
+			 {
+				sInstance->childSetVisible("Retain%", true);
+				sInstance->childSetVisible("Detail Scale", false);
+			 }
+			else
+			{
+				sInstance->childSetVisible("Retain%", false);
+				sInstance->childSetVisible("Detail Scale", true);
+			}
+		}
+	}
+}
+
+//static
+void LLFloaterModelPreview::onPhysicsStageExecute(LLUICtrl* ctrl, void* data)
+{
+	LLCDStageData* stage_data = (LLCDStageData*) data;
+	std::string stage = stage_data->mName;
+
+	if (sInstance)
+	{
+		if (!sInstance->mCurRequest.empty())
+		{
+			llinfos << "Decomposition request still pending." << llendl;
+			return;
+		}
+
+		if (sInstance->mModelPreview)
+		{
+			for (S32 i = 0; i < sInstance->mModelPreview->mModel[LLModel::LOD_PHYSICS].size(); ++i)
+			{
+				LLModel* mdl = sInstance->mModelPreview->mModel[LLModel::LOD_PHYSICS][i];
+				DecompRequest* request = new DecompRequest(stage, mdl);
+				sInstance->mCurRequest.insert(request);
+				gMeshRepo.mDecompThread->submitRequest(request);
+			}
+		}
+
+		if (stage == "Decompose")
+		{
+			sInstance->childSetVisible("Decompose", false);
+			sInstance->childSetVisible("decompose_cancel", true);
+		}
+		else if (stage == "Simplify")
+		{
+			sInstance->childSetVisible("Simplify", false);
+			sInstance->childSetVisible("simplify_cancel", true);
+		}
+	}
+}
+
+//static
+void LLFloaterModelPreview::onPhysicsBrowse(LLUICtrl* ctrl, void* userdata)
+{
+	sInstance->loadModel(LLModel::LOD_PHYSICS);
+}
+
+//static
+void LLFloaterModelPreview::onPhysicsUseLOD(LLUICtrl* ctrl, void* userdata)
+{
+	S32 which_mode = 3;
+	LLCtrlSelectionInterface* iface = sInstance->childGetSelectionInterface("physics_lod_combo");
+	if (iface)
+	{
+		which_mode = iface->getFirstSelectedIndex();
+	}
+
+	sInstance->mModelPreview->setPhysicsFromLOD(which_mode);
+}
+
+//static 
+void LLFloaterModelPreview::onCancel(LLUICtrl* ctrl, void* data)
+{
+	if (sInstance)
+	{
+		sInstance->closeFloater(false);
+	}
+}
+
+//static
+void LLFloaterModelPreview::onPhysicsStageCancel(LLUICtrl* ctrl, void*data)
+{
+	if (sInstance)
+	{
+		for (std::set<LLPointer<DecompRequest> >::iterator iter = sInstance->mCurRequest.begin();
+			iter != sInstance->mCurRequest.end(); ++iter)
+		{
+		    DecompRequest* req = *iter;
+		    req->mContinue = 0;
+		}
+	}
+}
+
+void LLFloaterModelPreview::initDecompControls()
+{
+	LLSD key;
+
+	childSetCommitCallback("simplify_cancel", onPhysicsStageCancel, NULL);
+	childSetCommitCallback("decompose_cancel", onPhysicsStageCancel, NULL);
+
+	childSetCommitCallback("physics_lod_combo", onPhysicsUseLOD, NULL);
+	childSetCommitCallback("physics_browse", onPhysicsBrowse, NULL);
+
+	static const LLCDStageData* stage = NULL;
+	static S32 stage_count = 0;
+
+	if (!stage && LLConvexDecomposition::getInstance() != NULL)
+	{
+		stage_count = LLConvexDecomposition::getInstance()->getStages(&stage);
+	}
+
+	static const LLCDParam* param = NULL;
+	static S32 param_count = 0;
+	if (!param && LLConvexDecomposition::getInstance() != NULL)
+	{
+		param_count = LLConvexDecomposition::getInstance()->getParameters(&param);
+	}
+
+	for (S32 j = stage_count-1; j >= 0; --j)
+	{
+		LLButton* button = getChild<LLButton>(stage[j].mName);
+		if (button)
+		{
+			button->setCommitCallback(onPhysicsStageExecute, (void*) &stage[j]);
+		}
+
+		gMeshRepo.mDecompThread->mStageID[stage[j].mName] = j;
+		// protected against stub by stage_count being 0 for stub above
+		LLConvexDecomposition::getInstance()->registerCallback(j, LLPhysicsDecomp::llcdCallback);
+
+		//llinfos << "Physics decomp stage " << stage[j].mName << " (" << j << ") parameters:" << llendl;
+		//llinfos << "------------------------------------" << llendl;
+
+		for (S32 i = 0; i < param_count; ++i)
+		{
+			if (param[i].mStage != j)
+			{
+				continue;
+			}
+
+			std::string name(param[i].mName ? param[i].mName : "");
+			std::string description(param[i].mDescription ? param[i].mDescription : "");
+
+			std::string type = "unknown";
+
+			llinfos << name << " - " << description << llendl;
+
+			if (param[i].mType == LLCDParam::LLCD_FLOAT)
+			{
+				mDecompParams[param[i].mName] = LLSD(param[i].mDefault.mFloat);
+				//llinfos << "Type: float, Default: " << param[i].mDefault.mFloat << llendl;
+
+				LLSliderCtrl* slider = getChild<LLSliderCtrl>(name);
+				if (slider)
+				{
+					slider->setMinValue(param[i].mDetails.mRange.mLow.mFloat);
+					slider->setMaxValue(param[i].mDetails.mRange.mHigh.mFloat);
+					slider->setIncrement(param[i].mDetails.mRange.mDelta.mFloat);
+					slider->setValue(param[i].mDefault.mFloat);
+					slider->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);
+				}
+			}
+			else if (param[i].mType == LLCDParam::LLCD_INTEGER)
+			{
+				mDecompParams[param[i].mName] = LLSD(param[i].mDefault.mIntOrEnumValue);
+				//llinfos << "Type: integer, Default: " << param[i].mDefault.mIntOrEnumValue << llendl;
+
+				LLSliderCtrl* slider = getChild<LLSliderCtrl>(name);
+				if (slider)
+				{
+					slider->setMinValue(param[i].mDetails.mRange.mLow.mIntOrEnumValue);
+					slider->setMaxValue(param[i].mDetails.mRange.mHigh.mIntOrEnumValue);
+					slider->setIncrement(param[i].mDetails.mRange.mDelta.mIntOrEnumValue);
+					slider->setValue(param[i].mDefault.mIntOrEnumValue);
+					slider->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);
+				}
+			}
+			else if (param[i].mType == LLCDParam::LLCD_BOOLEAN)
+			{
+				mDecompParams[param[i].mName] = LLSD(param[i].mDefault.mBool);
+				//llinfos << "Type: boolean, Default: " << (param[i].mDefault.mBool ? "True" : "False") << llendl;
+
+				LLCheckBoxCtrl* check_box = getChild<LLCheckBoxCtrl>(name);
+				if (check_box)
+				{
+					check_box->setValue(param[i].mDefault.mBool);
+					check_box->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);
+				}
+			}
+			else if (param[i].mType == LLCDParam::LLCD_ENUM)
+			{
+				mDecompParams[param[i].mName] = LLSD(param[i].mDefault.mIntOrEnumValue);
+				//llinfos << "Type: enum, Default: " << param[i].mDefault.mIntOrEnumValue << llendl;
+
+				{ //plug into combo box
+
+					//llinfos << "Accepted values: " << llendl;
+					LLComboBox* combo_box = getChild<LLComboBox>(name);
+					for (S32 k = 0; k < param[i].mDetails.mEnumValues.mNumEnums; ++k)
+					{
+						//llinfos << param[i].mDetails.mEnumValues.mEnumsArray[k].mValue
+						//	<< " - " << param[i].mDetails.mEnumValues.mEnumsArray[k].mName << llendl;
+
+						combo_box->add(param[i].mDetails.mEnumValues.mEnumsArray[k].mName,
+							LLSD::Integer(param[i].mDetails.mEnumValues.mEnumsArray[k].mValue));
+					}
+					combo_box->setValue(param[i].mDefault.mIntOrEnumValue);
+					combo_box->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);
+				}
+
+				//llinfos << "----" << llendl;
+			}
+			//llinfos << "-----------------------------" << llendl;
+		}
+	}
+
+	childSetCommitCallback("physics_explode", LLFloaterModelPreview::onExplodeCommit, this);
+}
+
+//-----------------------------------------------------------------------------
+// onMouseCaptureLost()
+//-----------------------------------------------------------------------------
+// static
+void LLFloaterModelPreview::onMouseCaptureLostModelPreview(LLMouseHandler* handler)
+{
+	gViewerWindow->showCursor();
+}
+
+//-----------------------------------------------------------------------------
+// LLModelLoader
+//-----------------------------------------------------------------------------
+LLModelLoader::LLModelLoader(std::string filename, S32 lod, LLModelPreview* preview)
+: LLThread("Model Loader"), mFilename(filename), mLod(lod), mPreview(preview), mState(STARTING), mFirstTransform(TRUE)
+{
+	mJointMap["mPelvis"] = "mPelvis";
+	mJointMap["mTorso"] = "mTorso";
+	mJointMap["mChest"] = "mChest";
+	mJointMap["mNeck"] = "mNeck";
+	mJointMap["mHead"] = "mHead";
+	mJointMap["mSkull"] = "mSkull";
+	mJointMap["mEyeRight"] = "mEyeRight";
+	mJointMap["mEyeLeft"] = "mEyeLeft";
+	mJointMap["mCollarLeft"] = "mCollarLeft";
+	mJointMap["mShoulderLeft"] = "mShoulderLeft";
+	mJointMap["mElbowLeft"] = "mElbowLeft";
+	mJointMap["mWristLeft"] = "mWristLeft";
+	mJointMap["mCollarRight"] = "mCollarRight";
+	mJointMap["mShoulderRight"] = "mShoulderRight";
+	mJointMap["mElbowRight"] = "mElbowRight";
+	mJointMap["mWristRight"] = "mWristRight";
+	mJointMap["mHipRight"] = "mHipRight";
+	mJointMap["mKneeRight"] = "mKneeRight";
+	mJointMap["mAnkleRight"] = "mAnkleRight";
+	mJointMap["mFootRight"] = "mFootRight";
+	mJointMap["mToeRight"] = "mToeRight";
+	mJointMap["mHipLeft"] = "mHipLeft";
+	mJointMap["mKneeLeft"] = "mKneeLeft";
+	mJointMap["mAnkleLeft"] = "mAnkleLeft";
+	mJointMap["mFootLeft"] = "mFootLeft";
+	mJointMap["mToeLeft"] = "mToeLeft";
+
+	mJointMap["avatar_mPelvis"] = "mPelvis";
+	mJointMap["avatar_mTorso"] = "mTorso";
+	mJointMap["avatar_mChest"] = "mChest";
+	mJointMap["avatar_mNeck"] = "mNeck";
+	mJointMap["avatar_mHead"] = "mHead";
+	mJointMap["avatar_mSkull"] = "mSkull";
+	mJointMap["avatar_mEyeRight"] = "mEyeRight";
+	mJointMap["avatar_mEyeLeft"] = "mEyeLeft";
+	mJointMap["avatar_mCollarLeft"] = "mCollarLeft";
+	mJointMap["avatar_mShoulderLeft"] = "mShoulderLeft";
+	mJointMap["avatar_mElbowLeft"] = "mElbowLeft";
+	mJointMap["avatar_mWristLeft"] = "mWristLeft";
+	mJointMap["avatar_mCollarRight"] = "mCollarRight";
+	mJointMap["avatar_mShoulderRight"] = "mShoulderRight";
+	mJointMap["avatar_mElbowRight"] = "mElbowRight";
+	mJointMap["avatar_mWristRight"] = "mWristRight";
+	mJointMap["avatar_mHipRight"] = "mHipRight";
+	mJointMap["avatar_mKneeRight"] = "mKneeRight";
+	mJointMap["avatar_mAnkleRight"] = "mAnkleRight";
+	mJointMap["avatar_mFootRight"] = "mFootRight";
+	mJointMap["avatar_mToeRight"] = "mToeRight";
+	mJointMap["avatar_mHipLeft"] = "mHipLeft";
+	mJointMap["avatar_mKneeLeft"] = "mKneeLeft";
+	mJointMap["avatar_mAnkleLeft"] = "mAnkleLeft";
+	mJointMap["avatar_mFootLeft"] = "mFootLeft";
+	mJointMap["avatar_mToeLeft"] = "mToeLeft";
+
+
+	mJointMap["hip"] = "mPelvis";
+	mJointMap["abdomen"] = "mTorso";
+	mJointMap["chest"] = "mChest";
+	mJointMap["neck"] = "mNeck";
+	mJointMap["head"] = "mHead";
+	mJointMap["figureHair"] = "mSkull";
+	mJointMap["lCollar"] = "mCollarLeft";
+	mJointMap["lShldr"] = "mShoulderLeft";
+	mJointMap["lForeArm"] = "mElbowLeft";
+	mJointMap["lHand"] = "mWristLeft";
+	mJointMap["rCollar"] = "mCollarRight";
+	mJointMap["rShldr"] = "mShoulderRight";
+	mJointMap["rForeArm"] = "mElbowRight";
+	mJointMap["rHand"] = "mWristRight";
+	mJointMap["rThigh"] = "mHipRight";
+	mJointMap["rShin"] = "mKneeRight";
+	mJointMap["rFoot"] = "mFootRight";
+	mJointMap["lThigh"] = "mHipLeft";
+	mJointMap["lShin"] = "mKneeLeft";
+	mJointMap["lFoot"] = "mFootLeft";
+}
+
+void stretch_extents(LLModel* model, LLMatrix4a& mat, LLVector4a& min, LLVector4a& max, BOOL& first_transform)
+{
+	LLVector4a box[] =
+	{
+		LLVector4a(-1, 1,-1),
+		LLVector4a(-1, 1, 1),
+		LLVector4a(-1,-1,-1),
+		LLVector4a(-1,-1, 1),
+		LLVector4a( 1, 1,-1),
+		LLVector4a( 1, 1, 1),
+		LLVector4a( 1,-1,-1),
+		LLVector4a( 1,-1, 1),
+	};
+
+	for (S32 j = 0; j < model->getNumVolumeFaces(); ++j)
+	{
+		const LLVolumeFace& face = model->getVolumeFace(j);
+
+		LLVector4a center;
+		center.setAdd(face.mExtents[0], face.mExtents[1]);
+		center.mul(0.5f);
+		LLVector4a size;
+		size.setSub(face.mExtents[1],face.mExtents[0]);
+		size.mul(0.5f);
+
+		for (U32 i = 0; i < 8; i++)
+		{
+			LLVector4a t;
+			t.setMul(size, box[i]);
+			t.add(center);
+
+			LLVector4a v;
+
+			mat.affineTransform(t, v);
+
+			if (first_transform)
+			{
+				first_transform = FALSE;
+				min = max = v;
+			}
+			else
+			{
+				update_min_max(min, max, v);
+			}
+		}
+	}
+}
+
+void stretch_extents(LLModel* model, LLMatrix4& mat, LLVector3& min, LLVector3& max, BOOL& first_transform)
+{
+	LLVector4a mina, maxa;
+	LLMatrix4a mata;
+
+	mata.loadu(mat);
+	mina.load3(min.mV);
+	maxa.load3(max.mV);
+
+	stretch_extents(model, mata, mina, maxa, first_transform);
+
+	min.set(mina.getF32ptr());
+	max.set(maxa.getF32ptr());
+}
+
+void LLModelLoader::run()
+{
+	DAE dae;
+	domCOLLADA* dom = dae.open(mFilename);
+
+	if (dom)
+	{
+		daeDatabase* db = dae.getDatabase();
+
+		daeInt count = db->getElementCount(NULL, COLLADA_TYPE_MESH);
+
+		daeDocument* doc = dae.getDoc(mFilename);
+		if (!doc)
+		{
+			llwarns << "can't find internal doc" << llendl;
+			return;
+		}
+
+		daeElement* root = doc->getDomRoot();
+		if (!root)
+		{
+			llwarns << "document has no root" << llendl;
+			return;
+		}
+
+		//get unit scale
+		mTransform.setIdentity();
+
+		domAsset::domUnit* unit = daeSafeCast<domAsset::domUnit>(root->getDescendant(daeElement::matchType(domAsset::domUnit::ID())));
+
+		if (unit)
+		{
+			F32 meter = unit->getMeter();
+			mTransform.mMatrix[0][0] = meter;
+			mTransform.mMatrix[1][1] = meter;
+			mTransform.mMatrix[2][2] = meter;
+		}
+
+		//get up axis rotation
+		LLMatrix4 rotation;
+
+		domUpAxisType up = UPAXISTYPE_Y_UP;  // default is Y_UP
+		domAsset::domUp_axis* up_axis =
+		daeSafeCast<domAsset::domUp_axis>(root->getDescendant(daeElement::matchType(domAsset::domUp_axis::ID())));
+
+		if (up_axis)
+		{
+			up = up_axis->getValue();
+		}
+
+		if (up == UPAXISTYPE_X_UP)
+		{
+			rotation.initRotation(0.0f, 90.0f * DEG_TO_RAD, 0.0f);
+		}
+		else if (up == UPAXISTYPE_Y_UP)
+		{
+			rotation.initRotation(90.0f * DEG_TO_RAD, 0.0f, 0.0f);
+		}
+
+		rotation *= mTransform;
+		mTransform = rotation;
+
+
+		for (daeInt idx = 0; idx < count; ++idx)
+		{ //build map of domEntities to LLModel
+			domMesh* mesh = NULL;
+			db->getElement((daeElement**) &mesh, idx, NULL, COLLADA_TYPE_MESH);
+
+			if (mesh)
+			{
+				LLPointer<LLModel> model = LLModel::loadModelFromDomMesh(mesh);
+
+				if (model.notNull() && validate_model(model))
+				{
+					mModelList.push_back(model);
+					mModel[mesh] = model;
+				}
+			}
+		}
+
+		count = db->getElementCount(NULL, COLLADA_TYPE_SKIN);
+		for (daeInt idx = 0; idx < count; ++idx)
+		{ //add skinned meshes as instances
+			domSkin* skin = NULL;
+			db->getElement((daeElement**) &skin, idx, NULL, COLLADA_TYPE_SKIN);
+
+			if (skin)
+			{
+				domGeometry* geom = daeSafeCast<domGeometry>(skin->getSource().getElement());
+
+				if (geom)
+				{
+					domMesh* mesh = geom->getMesh();
+					if (mesh)
+					{
+						LLModel* model = mModel[mesh];
+						if (model)
+						{
+							LLVector3 mesh_scale_vector;
+							LLVector3 mesh_translation_vector;
+							model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+							LLMatrix4 normalized_transformation;
+							normalized_transformation.setTranslation(mesh_translation_vector);
+
+							LLMatrix4 mesh_scale;
+							mesh_scale.initScale(mesh_scale_vector);
+							mesh_scale *= normalized_transformation;
+							normalized_transformation = mesh_scale;
+
+							glh::matrix4f inv_mat((F32*) normalized_transformation.mMatrix);
+							inv_mat = inv_mat.inverse();
+							LLMatrix4 inverse_normalized_transformation(inv_mat.m);
+
+							domSkin::domBind_shape_matrix* bind_mat = skin->getBind_shape_matrix();
+
+							if (bind_mat)
+							{ //get bind shape matrix
+								domFloat4x4& dom_value = bind_mat->getValue();
+
+								for (int i = 0; i < 4; i++)
+								{
+									for(int j = 0; j < 4; j++)
+									{
+										model->mBindShapeMatrix.mMatrix[i][j] = dom_value[i + j*4];
+									}
+								}
+
+								LLMatrix4 trans = normalized_transformation;
+								trans *= model->mBindShapeMatrix;
+								model->mBindShapeMatrix = trans;
+
+							}
+
+
+							//The joint transfom map that we'll populate below
+							std::map<std::string,LLMatrix4> jointTransforms;
+							jointTransforms.clear();
+
+							//Some collada setup for accessing the skeleton
+							daeElement* pElement = 0;
+							dae.getDatabase()->getElement( &pElement, 0, 0, "skeleton" );
+
+							//Try to get at the skeletal instance controller
+							domInstance_controller::domSkeleton* pSkeleton = daeSafeCast<domInstance_controller::domSkeleton>( pElement );
+							bool missingSkeletonOrScene = false;
+
+							//If no skeleton, do a breadth-first search to get at specific joints
+							if ( !pSkeleton )
+							{
+								daeElement* pScene = root->getDescendant("visual_scene");
+								if ( !pScene )
+								{
+									llwarns<<"No visual scene - unable to parse bone offsets "<<llendl;
+									missingSkeletonOrScene = true;
+								}
+								else
+								{
+									//Get the children at this level
+									daeTArray< daeSmartRef<daeElement> > children = pScene->getChildren();
+									S32 childCount = children.getCount();
+
+									//Process any children that are joints
+									//Not all children are joints, some code be ambient lights, cameras, geometry etc..
+									for (S32 i = 0; i < childCount; ++i)
+									{
+										domNode* pNode = daeSafeCast<domNode>(children[i]);
+										if ( isNodeAJoint( pNode ) )
+										{
+											processJointNode( pNode, jointTransforms );
+										}
+									}
+								}
+							}
+							else
+							//Has Skeleton
+							{
+								//Get the root node of the skeleton
+								daeElement* pSkeletonRootNode = pSkeleton->getValue().getElement();
+								if ( pSkeletonRootNode )
+								{
+									//Once we have the root node - start acccessing it's joint components
+									const int jointCnt = mJointMap.size();
+									std::map<std::string, std::string> :: const_iterator jointIt = mJointMap.begin();
+
+									//Loop over all the possible joints within the .dae - using the allowed joint list in the ctor.
+									for ( int i=0; i<jointCnt; ++i, ++jointIt )
+									{
+										//Build a joint for the resolver to work with
+										char str[64]={0};
+										sprintf(str,"./%s",(*jointIt).second.c_str() );
+										//llwarns<<"Joint "<< str <<llendl;
+
+										//Setup the resolver
+                                        daeSIDResolver resolver( pSkeletonRootNode, str );
+
+                                        //Look for the joint
+                                        domNode* pJoint = daeSafeCast<domNode>( resolver.getElement() );
+                                        if ( pJoint )
+                                        {
+											//Pull out the translate id and store it in the jointTranslations map
+											daeSIDResolver jointResolver( pJoint, "./translate" );
+											domTranslate* pTranslate = daeSafeCast<domTranslate>( jointResolver.getElement() );
+
+											LLMatrix4 workingTransform;
+
+											//Translation via SID
+											if ( pTranslate )
+											{
+												extractTranslation( pTranslate, workingTransform );
+											}
+											else
+											{
+												//Translation via child from element
+												daeElement* pTranslateElement = getChildFromElement( pJoint, "translate" );
+												if ( pTranslateElement && pTranslateElement->typeID() != domTranslate::ID() )
+												{
+													llwarns<< "The found element is not a translate node" <<llendl;
+													missingSkeletonOrScene = true;
+												}
+												else
+												{
+													extractTranslationViaElement( pTranslateElement, workingTransform );
+												}
+											}
+
+											//Store the joint transform w/respect to it's name.
+											jointTransforms[(*jointIt).second.c_str()] = workingTransform;
+                                        }
+									}
+
+									//If anything failed in regards to extracting the skeleton, joints or translation id,
+									//mention it
+									if ( missingSkeletonOrScene  )
+									{
+										llwarns<< "Partial jointmap found in asset - did you mean to just have a partial map?" << llendl;
+									}
+								}//got skeleton?
+							}
+
+							if ( !missingSkeletonOrScene )
+							{
+								//Set the joint translations on the avatar
+								//The joints are reset in the dtor
+								const int jointCnt = mJointMap.size();
+								std::map<std::string, std::string> :: const_iterator jointIt = mJointMap.begin();
+								for ( int i=0; i<jointCnt; ++i, ++jointIt )
+								{
+									std::string lookingForJoint = (*jointIt).first.c_str();
+									if ( jointTransforms.find( lookingForJoint ) != jointTransforms.end() )
+									{
+										LLMatrix4 jointTransform = jointTransforms[lookingForJoint];
+										LLJoint* pJoint = gAgentAvatarp->getJoint( lookingForJoint );
+										if ( pJoint )
+										{
+											pJoint->storeCurrentXform( jointTransform.getTranslation() );
+										}
+										else
+										{
+											//Most likely an error in the asset.
+											llwarns<<"Tried to apply joint position from .dae, but it did not exist in the avatar rig." << llendl;
+										}
+										//Reposition the avatars pelvis (avPos+offset)
+										//if ( lookingForJoint == "mPelvis" )
+										//{
+										//	const LLVector3& pos = gAgentAvatarp->getCharacterPosition();
+										//	gAgentAvatarp->setPelvisOffset( true, jointTransform.getTranslation() );
+										//	gAgentAvatarp->setPosition( pos + jointTransform.getTranslation() );
+										//}
+									}
+								}
+							} //missingSkeletonOrScene
+
+							domSkin::domJoints* joints = skin->getJoints();
+
+							domInputLocal_Array& joint_input = joints->getInput_array();
+
+							for (size_t i = 0; i < joint_input.getCount(); ++i)
+							{
+								domInputLocal* input = joint_input.get(i);
+								xsNMTOKEN semantic = input->getSemantic();
+
+								if (strcmp(semantic, COMMON_PROFILE_INPUT_JOINT) == 0)
+								{ //found joint source, fill model->mJointMap and model->mJointList
+									daeElement* elem = input->getSource().getElement();
+
+									domSource* source = daeSafeCast<domSource>(elem);
+									if (source)
+									{
+
+
+										domName_array* names_source = source->getName_array();
+
+										if (names_source)
+										{
+											domListOfNames &names = names_source->getValue();
+
+											for (size_t j = 0; j < names.getCount(); ++j)
+											{
+												std::string name(names.get(j));
+												if (mJointMap.find(name) != mJointMap.end())
+												{
+													name = mJointMap[name];
+												}
+												model->mJointList.push_back(name);
+												model->mJointMap[name] = j;
+											}
+										}
+										else
+										{
+											domIDREF_array* names_source = source->getIDREF_array();
+											if (names_source)
+											{
+												xsIDREFS& names = names_source->getValue();
+
+												for (size_t j = 0; j < names.getCount(); ++j)
+												{
+													std::string name(names.get(j).getID());
+													if (mJointMap.find(name) != mJointMap.end())
+													{
+														name = mJointMap[name];
+													}
+													model->mJointList.push_back(name);
+													model->mJointMap[name] = j;
+												}
+											}
+										}
+									}
+								}
+								else if (strcmp(semantic, COMMON_PROFILE_INPUT_INV_BIND_MATRIX) == 0)
+								{ //found inv_bind_matrix array, fill model->mInvBindMatrix
+									domSource* source = daeSafeCast<domSource>(input->getSource().getElement());
+									if (source)
+									{
+										domFloat_array* t = source->getFloat_array();
+										if (t)
+										{
+											domListOfFloats& transform = t->getValue();
+											S32 count = transform.getCount()/16;
+
+											for (S32 k = 0; k < count; ++k)
+											{
+												LLMatrix4 mat;
+
+												for (int i = 0; i < 4; i++)
+												{
+													for(int j = 0; j < 4; j++)
+													{
+														mat.mMatrix[i][j] = transform[k*16 + i + j*4];
+													}
+												}
+
+												model->mInvBindMatrix.push_back(mat);
+											}
+										}
+									}
+								}
+							}
+
+							//We need to construct the alternate bind matrix (which contains the new joint positions)
+							//in the same order as they were stored in the joint buffer. The joints associated
+							//with the skeleton are not stored in the same order as they are in the exported joint buffer.
+							//This remaps the skeletal joints to be in the same order as the joints stored in the model.
+							std::vector<std::string> :: const_iterator jointIt  = model->mJointList.begin();
+							const int jointCnt = model->mJointList.size();
+							for ( int i=0; i<jointCnt; ++i, ++jointIt )
+							{
+								std::string lookingForJoint = (*jointIt).c_str();
+								//Look for the joint xform that we extracted from the skeleton, using the jointIt as the key
+								//and store it in the alternate bind matrix
+								if ( jointTransforms.find( lookingForJoint ) != jointTransforms.end() )
+								{
+									LLMatrix4 jointTransform = jointTransforms[lookingForJoint];
+									LLMatrix4 newInverse = model->mInvBindMatrix[i];
+									newInverse.setTranslation( jointTransforms[lookingForJoint].getTranslation() );
+									model->mAlternateBindMatrix.push_back( newInverse );
+								}
+								else
+								{
+									llwarns<<"Possibly misnamed/missing joint [" <<lookingForJoint.c_str()<<" ] "<<llendl;
+								}
+							}
+
+							//grab raw position array
+
+							domVertices* verts = mesh->getVertices();
+							if (verts)
+							{
+								domInputLocal_Array& inputs = verts->getInput_array();
+								for (size_t i = 0; i < inputs.getCount() && model->mPosition.empty(); ++i)
+								{
+									if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_POSITION) == 0)
+									{
+										domSource* pos_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement());
+										if (pos_source)
+										{
+											domFloat_array* pos_array = pos_source->getFloat_array();
+											if (pos_array)
+											{
+												domListOfFloats& pos = pos_array->getValue();
+
+												for (size_t j = 0; j < pos.getCount(); j += 3)
+												{
+													if (pos.getCount() <= j+2)
+													{
+														llerrs << "WTF?" << llendl;
+													}
+
+													LLVector3 v(pos[j], pos[j+1], pos[j+2]);
+
+													//transform from COLLADA space to volume space
+													v = v * inverse_normalized_transformation;
+
+													model->mPosition.push_back(v);
+												}
+											}
+										}
+									}
+								}
+							}
+
+							//grab skin weights array
+							domSkin::domVertex_weights* weights = skin->getVertex_weights();
+							if (weights)
+							{
+								domInputLocalOffset_Array& inputs = weights->getInput_array();
+								domFloat_array* vertex_weights = NULL;
+								for (size_t i = 0; i < inputs.getCount(); ++i)
+								{
+									if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_WEIGHT) == 0)
+									{
+										domSource* weight_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement());
+										if (weight_source)
+										{
+											vertex_weights = weight_source->getFloat_array();
+										}
+									}
+								}
+
+								if (vertex_weights)
+								{
+									domListOfFloats& w = vertex_weights->getValue();
+									domListOfUInts& vcount = weights->getVcount()->getValue();
+									domListOfInts& v = weights->getV()->getValue();
+
+									U32 c_idx = 0;
+									for (size_t vc_idx = 0; vc_idx < vcount.getCount(); ++vc_idx)
+									{ //for each vertex
+										daeUInt count = vcount[vc_idx];
+
+										//create list of weights that influence this vertex
+										LLModel::weight_list weight_list;
+
+										for (daeUInt i = 0; i < count; ++i)
+										{ //for each weight
+											daeInt joint_idx = v[c_idx++];
+											daeInt weight_idx = v[c_idx++];
+
+											if (joint_idx == -1)
+											{
+												//ignore bindings to bind_shape_matrix
+												continue;
+											}
+
+											F32 weight_value = w[weight_idx];
+
+											weight_list.push_back(LLModel::JointWeight(joint_idx, weight_value));
+										}
+
+										//sort by joint weight
+										std::sort(weight_list.begin(), weight_list.end(), LLModel::CompareWeightGreater());
+
+										std::vector<LLModel::JointWeight> wght;
+
+										F32 total = 0.f;
+
+										for (U32 i = 0; i < llmin((U32) 4, (U32) weight_list.size()); ++i)
+										{ //take up to 4 most significant weights
+											if (weight_list[i].mWeight > 0.f)
+											{
+												wght.push_back( weight_list[i] );
+												total += weight_list[i].mWeight;
+											}
+										}
+
+										F32 scale = 1.f/total;
+										if (scale != 1.f)
+										{ //normalize weights
+											for (U32 i = 0; i < wght.size(); ++i)
+											{
+												wght[i].mWeight *= scale;
+											}
+										}
+
+										model->mSkinWeights[model->mPosition[vc_idx]] = wght;
+									}
+
+									//add instance to scene for this model
+
+									LLMatrix4 transformation = mTransform;
+									// adjust the transformation to compensate for mesh normalization
+									
+									LLMatrix4 mesh_translation;
+									mesh_translation.setTranslation(mesh_translation_vector);
+									mesh_translation *= transformation;
+									transformation = mesh_translation;
+
+									LLMatrix4 mesh_scale;
+									mesh_scale.initScale(mesh_scale_vector);
+									mesh_scale *= transformation;
+									transformation = mesh_scale;
+
+									std::vector<LLImportMaterial> materials;
+									materials.resize(model->getNumVolumeFaces());
+									mScene[transformation].push_back(LLModelInstance(model, transformation, materials));
+									stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform);
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+
+		daeElement* scene = root->getDescendant("visual_scene");
+
+		if (!scene)
+		{
+			llwarns << "document has no visual_scene" << llendl;
+			setLoadState( ERROR_PARSING );
+			return;
+		}
+
+		processElement(scene);
+
+		doOnIdleOneTime(boost::bind(&LLModelPreview::loadModelCallback,mPreview,mLod));
+	}
+}
+
+//called in the main thread
+void LLModelLoader::loadTextures()
+{
+	BOOL is_paused = isPaused() ;
+	pause() ; //pause the loader 
+
+	for(scene::iterator iter = mScene.begin(); iter != mScene.end(); ++iter)
+	{
+		for(U32 i = 0 ; i < iter->second.size(); i++)
+		{
+			for(U32 j = 0 ; j < iter->second[i].mMaterial.size() ; j++)
+			{
+				if(!iter->second[i].mMaterial[j].mDiffuseMapFilename.empty())
+				{
+					iter->second[i].mMaterial[j].mDiffuseMap = 
+						LLViewerTextureManager::getFetchedTextureFromUrl("file://" + iter->second[i].mMaterial[j].mDiffuseMapFilename, TRUE, LLViewerTexture::BOOST_PREVIEW);
+					iter->second[i].mMaterial[j].mDiffuseMap->setLoadedCallback(LLModelPreview::textureLoadedCallback, 0, TRUE, FALSE, mPreview, NULL, FALSE);
+					iter->second[i].mMaterial[j].mDiffuseMap->forceToSaveRawImage();
+				}
+			}
+		}
+	}
+
+	if(!is_paused)
+	{
+		unpause() ;
+	}
+}
+
+bool LLModelLoader::isNodeAJoint( domNode* pNode )
+{
+	if ( pNode->getName() == NULL)
+	{
+		return false;
+	}
+
+	if ( mJointMap.find( pNode->getName() )  != mJointMap.end() )
+	{
+		return true;
+	}
+
+	return false;
+}
+
+void LLModelLoader::extractTranslation( domTranslate* pTranslate, LLMatrix4& transform )
+{
+	domFloat3 jointTrans = pTranslate->getValue();
+	LLVector3 singleJointTranslation( jointTrans[0], jointTrans[1], jointTrans[2] );
+	transform.setTranslation( singleJointTranslation );
+}
+
+void LLModelLoader::extractTranslationViaElement( daeElement* pTranslateElement, LLMatrix4& transform )
+{
+	domTranslate* pTranslateChild = dynamic_cast<domTranslate*>( pTranslateElement );
+	domFloat3 translateChild = pTranslateChild->getValue();
+	LLVector3 singleJointTranslation( translateChild[0], translateChild[1], translateChild[2] );
+	transform.setTranslation( singleJointTranslation );
+}
+
+void LLModelLoader::processJointNode( domNode* pNode, std::map<std::string,LLMatrix4>& jointTransforms )
+{
+	if (pNode->getName() == NULL)
+	{
+		llwarns << "nameless node, can't process" << llendl;
+		return;
+	}
+
+	//llwarns<<"ProcessJointNode# Node:" <<pNode->getName()<<llendl;
+
+	//1. handle the incoming node - extract out translation via SID or element
+
+	LLMatrix4 workingTransform;
+
+	//Pull out the translate id and store it in the jointTranslations map
+	daeSIDResolver jointResolver( pNode, "./translate" );
+	domTranslate* pTranslate = daeSafeCast<domTranslate>( jointResolver.getElement() );
+
+	//Translation via SID was successful
+	if ( pTranslate )
+	{
+		extractTranslation( pTranslate, workingTransform );
+	}
+	else
+	{
+		//Translation via child from element
+		daeElement* pTranslateElement = getChildFromElement( pNode, "translate" );
+		if ( !pTranslateElement || pTranslateElement->typeID() != domTranslate::ID() )
+		{
+			llwarns<< "The found element is not a translate node" <<llendl;
+		}
+		else
+		{
+			extractTranslationViaElement( pTranslateElement, workingTransform );
+		}
+	}
+
+	//Store the working transform relative to the nodes name.
+	jointTransforms[ pNode->getName() ] = workingTransform;
+
+	//2. handle the nodes children
+
+	//Gather and handle the incoming nodes children
+	daeTArray< daeSmartRef<daeElement> > childOfChild = pNode->getChildren();
+	S32 childOfChildCount = childOfChild.getCount();
+
+	for (S32 i = 0; i < childOfChildCount; ++i)
+	{
+		domNode* pChildNode = daeSafeCast<domNode>( childOfChild[i] );
+		if ( pChildNode )
+		{
+			processJointNode( pChildNode, jointTransforms );
+		}
+	}
+}
+
+daeElement* LLModelLoader::getChildFromElement( daeElement* pElement, std::string const & name )
+{
+    daeElement* pChildOfElement = pElement->getChild( name.c_str() );
+	if ( pChildOfElement )
+	{
+		return pChildOfElement;
+	}
+	llwarns<< "Could not find a child [" << name << "] for the element: \"" << pElement->getAttribute("id") << "\"" << llendl;
+    return NULL;
+}
+
+void LLModelLoader::processElement(daeElement* element)
+{
+	LLMatrix4 saved_transform = mTransform;
+
+	domTranslate* translate = daeSafeCast<domTranslate>(element);
+	if (translate)
+	{
+		domFloat3 dom_value = translate->getValue();
+
+		LLMatrix4 translation;
+		translation.setTranslation(LLVector3(dom_value[0], dom_value[1], dom_value[2]));
+
+		translation *= mTransform;
+		mTransform = translation;
+	}
+
+	domRotate* rotate = daeSafeCast<domRotate>(element);
+	if (rotate)
+	{
+		domFloat4 dom_value = rotate->getValue();
+
+		LLMatrix4 rotation;
+		rotation.initRotTrans(dom_value[3] * DEG_TO_RAD, LLVector3(dom_value[0], dom_value[1], dom_value[2]), LLVector3(0, 0, 0));
+
+		rotation *= mTransform;
+		mTransform = rotation;
+	}
+
+	domScale* scale = daeSafeCast<domScale>(element);
+	if (scale)
+	{
+		domFloat3 dom_value = scale->getValue();
+
+		LLMatrix4 scaling;
+		scaling.initScale(LLVector3(dom_value[0], dom_value[1], dom_value[2]));
+
+		scaling *= mTransform;
+		mTransform = scaling;
+	}
+
+	domMatrix* matrix = daeSafeCast<domMatrix>(element);
+	if (matrix)
+	{
+		domFloat4x4 dom_value = matrix->getValue();
+
+		LLMatrix4 matrix_transform;
+
+		for (int i = 0; i < 4; i++)
+		{
+			for(int j = 0; j < 4; j++)
+			{
+				matrix_transform.mMatrix[i][j] = dom_value[i + j*4];
+			}
+		}
+
+		matrix_transform *= mTransform;
+		mTransform = matrix_transform;
+	}
+
+	domInstance_geometry* instance_geo = daeSafeCast<domInstance_geometry>(element);
+	if (instance_geo)
+	{
+		domGeometry* geo = daeSafeCast<domGeometry>(instance_geo->getUrl().getElement());
+		if (geo)
+		{
+			domMesh* mesh = daeSafeCast<domMesh>(geo->getDescendant(daeElement::matchType(domMesh::ID())));
+			if (mesh)
+			{
+				LLModel* model = mModel[mesh];
+				if (model)
+				{
+					LLMatrix4 transformation = mTransform;
+
+					std::vector<LLImportMaterial> materials = getMaterials(model, instance_geo);
+
+					// adjust the transformation to compensate for mesh normalization
+					LLVector3 mesh_scale_vector;
+					LLVector3 mesh_translation_vector;
+					model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+					LLMatrix4 mesh_translation;
+					mesh_translation.setTranslation(mesh_translation_vector);
+					mesh_translation *= transformation;
+					transformation = mesh_translation;
+
+					LLMatrix4 mesh_scale;
+					mesh_scale.initScale(mesh_scale_vector);
+					mesh_scale *= transformation;
+					transformation = mesh_scale;
+
+					mScene[transformation].push_back(LLModelInstance(model, transformation, materials));
+
+					stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform);
+				}
+			}
+		}
+	}
+
+	domInstance_node* instance_node = daeSafeCast<domInstance_node>(element);
+	if (instance_node)
+	{
+		daeElement* instance = instance_node->getUrl().getElement();
+		if (instance)
+		{
+			processElement(instance);
+		}
+	}
+
+	//process children
+	daeTArray< daeSmartRef<daeElement> > children = element->getChildren();
+	for (S32 i = 0; i < children.getCount(); i++)
+	{
+		processElement(children[i]);
+	}
+
+	domNode* node = daeSafeCast<domNode>(element);
+	if (node)
+	{ //this element was a node, restore transform before processiing siblings
+		mTransform = saved_transform;
+	}
+}
+
+std::vector<LLImportMaterial> LLModelLoader::getMaterials(LLModel* model, domInstance_geometry* instance_geo)
+{
+	std::vector<LLImportMaterial> materials;
+	for (int i = 0; i < model->mMaterialList.size(); i++)
+	{
+		LLImportMaterial import_material;
+
+		domInstance_material* instance_mat = NULL;
+
+		domBind_material::domTechnique_common* technique =
+		daeSafeCast<domBind_material::domTechnique_common>(instance_geo->getDescendant(daeElement::matchType(domBind_material::domTechnique_common::ID())));
+
+		if (technique)
+		{
+			daeTArray< daeSmartRef<domInstance_material> > inst_materials = technique->getChildrenByType<domInstance_material>();
+			for (int j = 0; j < inst_materials.getCount(); j++)
+			{
+				std::string symbol(inst_materials[j]->getSymbol());
+
+				if (symbol == model->mMaterialList[i]) // found the binding
+				{
+					instance_mat = inst_materials[j];
+				}
+			}
+		}
+
+		if (instance_mat)
+		{
+			domMaterial* material = daeSafeCast<domMaterial>(instance_mat->getTarget().getElement());
+			if (material)
+			{
+				domInstance_effect* instance_effect =
+				daeSafeCast<domInstance_effect>(material->getDescendant(daeElement::matchType(domInstance_effect::ID())));
+				if (instance_effect)
+				{
+					domEffect* effect = daeSafeCast<domEffect>(instance_effect->getUrl().getElement());
+					if (effect)
+					{
+						domProfile_COMMON* profile =
+						daeSafeCast<domProfile_COMMON>(effect->getDescendant(daeElement::matchType(domProfile_COMMON::ID())));
+						if (profile)
+						{
+							import_material = profileToMaterial(profile);
+						}
+					}
+				}
+			}
+		}
+
+		materials.push_back(import_material);
+	}
+
+	return materials;
+}
+
+LLImportMaterial LLModelLoader::profileToMaterial(domProfile_COMMON* material)
+{
+	LLImportMaterial mat;
+	mat.mFullbright = FALSE;
+
+	daeElement* diffuse = material->getDescendant("diffuse");
+	if (diffuse)
+	{
+		domCommon_color_or_texture_type_complexType::domTexture* texture =
+		daeSafeCast<domCommon_color_or_texture_type_complexType::domTexture>(diffuse->getDescendant("texture"));
+		if (texture)
+		{
+			domCommon_newparam_type_Array newparams = material->getNewparam_array();
+			for (S32 i = 0; i < newparams.getCount(); i++)
+			{
+				domFx_surface_common* surface = newparams[i]->getSurface();
+				if (surface)
+				{
+					domFx_surface_init_common* init = surface->getFx_surface_init_common();
+					if (init)
+					{
+						domFx_surface_init_from_common_Array init_from = init->getInit_from_array();
+
+						if (init_from.getCount() > i)
+						{
+							domImage* image = daeSafeCast<domImage>(init_from[i]->getValue().getElement());
+							if (image)
+							{
+								// we only support init_from now - embedded data will come later
+								domImage::domInit_from* init = image->getInit_from();
+								if (init)
+								{									
+									mat.mDiffuseMapFilename = cdom::uriToNativePath(init->getValue().str());
+									mat.mDiffuseMapLabel = getElementLabel(material);
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+
+		domCommon_color_or_texture_type_complexType::domColor* color =
+		daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(diffuse->getDescendant("color"));
+		if (color)
+		{
+			domFx_color_common domfx_color = color->getValue();
+			LLColor4 value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);
+			mat.mDiffuseColor = value;
+		}
+	}
+
+	daeElement* emission = material->getDescendant("emission");
+	if (emission)
+	{
+		LLColor4 emission_color = getDaeColor(emission);
+		if (((emission_color[0] + emission_color[1] + emission_color[2]) / 3.0) > 0.25)
+		{
+			mat.mFullbright = TRUE;
+		}
+	}
+
+	return mat;
+}
+
+// try to get a decent label for this element
+std::string LLModelLoader::getElementLabel(daeElement *element)
+{
+	// if we have a name attribute, use it
+	std::string name = element->getAttribute("name");
+	if (name.length())
+	{
+		return name;
+	}
+
+	// if we have an ID attribute, use it
+	if (element->getID())
+	{
+		return std::string(element->getID());
+	}
+
+	// if we have a parent, use it
+	daeElement* parent = element->getParent();
+	if (parent)
+	{
+		// if parent has a name, use it
+		std::string name = parent->getAttribute("name");
+		if (name.length())
+		{
+			return name;
+		}
+
+		// if parent has an ID, use it
+		if (parent->getID())
+		{
+			return std::string(parent->getID());
+		}
+	}
+
+	// try to use our type
+	daeString element_name = element->getElementName();
+	if (element_name)
+	{
+		return std::string(element_name);
+	}
+
+	// if all else fails, use "object"
+	return std::string("object");
+}
+
+LLColor4 LLModelLoader::getDaeColor(daeElement* element)
+{
+	LLColor4 value;
+	domCommon_color_or_texture_type_complexType::domColor* color =
+	daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(element->getDescendant("color"));
+	if (color)
+	{
+		domFx_color_common domfx_color = color->getValue();
+		value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);
+	}
+
+	return value;
+}
+
+//-----------------------------------------------------------------------------
+// LLModelPreview
+//-----------------------------------------------------------------------------
+
+LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloater* fmp)
+: LLViewerDynamicTexture(width, height, 3, ORDER_MIDDLE, FALSE), LLMutex(NULL)
+{
+	mNeedsUpdate = TRUE;
+	mCameraDistance = 0.f;
+	mCameraYaw = 0.f;
+	mCameraPitch = 0.f;
+	mCameraZoom = 1.f;
+	mTextureName = 0;
+	mPreviewLOD = 0;
+	mModelLoader = NULL;
+	mMaxTriangleLimit = 0;
+	mDirty = false;
+	mGenLOD = false;
+	mLoading = false;
+	mGroup = 0;
+	mBuildShareTolerance = 0.f;
+	mBuildQueueMode = GLOD_QUEUE_GREEDY;
+	mBuildBorderMode = GLOD_BORDER_UNLOCK;
+	mBuildOperator = GLOD_OPERATOR_EDGE_COLLAPSE;
+
+	mViewOption["show_textures"] = false;
+
+	mFMP = fmp;
+
+	glodInit();
+}
+
+LLModelPreview::~LLModelPreview()
+{
+	if (mModelLoader)
+	{
+		delete mModelLoader;
+		mModelLoader = NULL;
+	}
+
+	//*HACK : *TODO : turn this back on when we understand why this crashes
+	//glodShutdown();
+}
+
+U32 LLModelPreview::calcResourceCost()
+{
+	assert_main_thread();
+
+	rebuildUploadData();
+
+	if ( mModelLoader->getLoadState() != LLModelLoader::ERROR_PARSING )
+	{
+		mFMP->childEnable("ok_btn");
+	}
+
+	U32 cost = 0;
+	std::set<LLModel*> accounted;
+	U32 num_points = 0;
+	U32 num_hulls = 0;
+
+	F32 debug_scale = mFMP->childGetValue("import_scale").asReal();
+
+	F32 streaming_cost = 0.f;
+	F32 physics_cost = 0.f;
+	for (U32 i = 0; i < mUploadData.size(); ++i)
+	{
+		LLModelInstance& instance = mUploadData[i];
+
+		if (accounted.find(instance.mModel) == accounted.end())
+		{
+			accounted.insert(instance.mModel);
+
+			LLModel::convex_hull_decomposition& decomp =
+			instance.mLOD[LLModel::LOD_PHYSICS] ?
+			instance.mLOD[LLModel::LOD_PHYSICS]->mConvexHullDecomp :
+			instance.mModel->mConvexHullDecomp;
+
+			LLSD ret = LLModel::writeModel(
+										   "",
+										   instance.mLOD[4],
+										   instance.mLOD[3],
+										   instance.mLOD[2],
+										   instance.mLOD[1],
+										   instance.mLOD[0],
+										   decomp,
+										   mFMP->childGetValue("upload_skin").asBoolean(),
+										   mFMP->childGetValue("upload_joints").asBoolean(),
+										   TRUE);
+			cost += gMeshRepo.calcResourceCost(ret);
+
+			num_hulls += decomp.size();
+			for (U32 i = 0; i < decomp.size(); ++i)
+			{
+				num_points += decomp[i].size();
+			}
+
+			//calculate streaming cost
+			LLMatrix4 transformation = instance.mTransform;
+
+			LLVector3 position = LLVector3(0, 0, 0) * transformation;
+
+			LLVector3 x_transformed = LLVector3(1, 0, 0) * transformation - position;
+			LLVector3 y_transformed = LLVector3(0, 1, 0) * transformation - position;
+			LLVector3 z_transformed = LLVector3(0, 0, 1) * transformation - position;
+			F32 x_length = x_transformed.normalize();
+			F32 y_length = y_transformed.normalize();
+			F32 z_length = z_transformed.normalize();
+			LLVector3 scale = LLVector3(x_length, y_length, z_length);
+
+			F32 radius = scale.length()*debug_scale;
+
+			streaming_cost += LLMeshRepository::getStreamingCost(ret, radius);
+		}
+	}
+
+	//mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[HULLS]", llformat("%d",num_hulls));
+	//mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[POINTS]", llformat("%d",num_points));
+	mFMP->childSetTextArg("streaming cost", "[COST]", llformat("%.3f", streaming_cost));
+	mFMP->childSetTextArg("physics cost", "[COST]", llformat("%.3f", physics_cost));	
+	F32 scale = mFMP->childGetValue("import_scale").asReal()*2.f;
+	mFMP->childSetTextArg("import_dimensions", "[X]", llformat("%.3f", mPreviewScale[0]*scale));
+	mFMP->childSetTextArg("import_dimensions", "[Y]", llformat("%.3f", mPreviewScale[1]*scale));
+	mFMP->childSetTextArg("import_dimensions", "[Z]", llformat("%.3f", mPreviewScale[2]*scale));
+
+	updateStatusMessages();
+
+	return cost;
+}
+
+void LLModelPreview::rebuildUploadData()
+{
+	assert_main_thread();
+
+	mUploadData.clear();
+	mTextureSet.clear();
+
+	//fill uploaddata instance vectors from scene data
+
+	std::string requested_name = mFMP->getChild<LLUICtrl>("description_form")->getValue().asString();
+
+
+	LLSpinCtrl* scale_spinner = mFMP->getChild<LLSpinCtrl>("import_scale");
+
+	if (!scale_spinner)
+	{
+		llerrs << "floater_model_preview.xml MUST contain import_scale spinner." << llendl;
+	}
+
+	F32 scale = scale_spinner->getValue().asReal();
+
+	LLMatrix4 scale_mat;
+	scale_mat.initScale(LLVector3(scale, scale, scale));
+
+	F32 max_scale = 0.f;
+
+	if ( mBaseScene.size() > 0 )
+	{
+		mFMP->childEnable("ok_btn");
+	}
+
+	for (LLModelLoader::scene::iterator iter = mBaseScene.begin(); iter != mBaseScene.end(); ++iter)
+	{ //for each transform in scene
+		LLMatrix4 mat = iter->first;
+
+		// compute position
+		LLVector3 position = LLVector3(0, 0, 0) * mat;
+
+		// compute scale
+		LLVector3 x_transformed = LLVector3(1, 0, 0) * mat - position;
+		LLVector3 y_transformed = LLVector3(0, 1, 0) * mat - position;
+		LLVector3 z_transformed = LLVector3(0, 0, 1) * mat - position;
+		F32 x_length = x_transformed.normalize();
+		F32 y_length = y_transformed.normalize();
+		F32 z_length = z_transformed.normalize();
+
+		max_scale = llmax(llmax(llmax(max_scale, x_length), y_length), z_length);
+
+		mat *= scale_mat;
+
+		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+		{ //for each instance with said transform applied
+			LLModelInstance instance = *model_iter;
+
+			LLModel* base_model = instance.mModel;
+			if (base_model)
+			{
+				base_model->mRequestedLabel = requested_name;
+			}
+
+			S32 idx = 0;
+			for (idx = 0; idx < mBaseModel.size(); ++idx)
+			{  //find reference instance for this model
+				if (mBaseModel[idx] == base_model)
+				{
+					break;
+				}
+			}
+
+			for (U32 i = 0; i < LLModel::NUM_LODS; i++)
+			{ //fill LOD slots based on reference model index
+				if (!mModel[i].empty())
+				{
+					instance.mLOD[i] = mModel[i][idx];
+				}
+				else
+				{
+					instance.mLOD[i] = NULL;
+				}
+			}
+
+			instance.mTransform = mat;
+			mUploadData.push_back(instance);
+		}
+	}
+
+	F32 max_import_scale = DEFAULT_MAX_PRIM_SCALE/max_scale;
+
+	scale_spinner->setMaxValue(max_import_scale);
+
+	if (max_import_scale < scale)
+	{
+		scale_spinner->setValue(max_import_scale);
+	}
+
+}
+
+
+void LLModelPreview::clearModel(S32 lod)
+{
+	if (lod < 0 || lod > LLModel::LOD_PHYSICS)
+	{
+		return;
+	}
+
+	mVertexBuffer[lod].clear();
+	mModel[lod].clear();
+	mScene[lod].clear();
+}
+
+void LLModelPreview::loadModel(std::string filename, S32 lod)
+{
+	assert_main_thread();
+
+	LLMutexLock lock(this);
+
+	if (mModelLoader)
+	{
+		delete mModelLoader;
+		mModelLoader = NULL;
+	}
+
+	if (filename.empty())
+	{
+		if (mBaseModel.empty())
+		{
+			// this is the initial file picking. Close the whole floater
+			// if we don't have a base model to show for high LOD.
+			mFMP->closeFloater(false);
+		}
+
+		mLoading = false;
+		return;
+	}
+
+	mLODFile[lod] = filename;
+
+	if (lod == LLModel::LOD_HIGH)
+	{
+		clearGLODGroup();
+	}
+
+	mModelLoader = new LLModelLoader(filename, lod, this);
+
+	mModelLoader->start();
+
+	mFMP->childSetTextArg("status", "[STATUS]", mFMP->getString("status_reading_file"));
+
+	setPreviewLOD(lod);
+
+	if ( mModelLoader->getLoadState() == LLModelLoader::ERROR_PARSING )
+	{
+		mFMP->childDisable("ok_btn");
+	}
+
+	if (lod == mPreviewLOD)
+	{
+		mFMP->childSetText("lod_file", mLODFile[mPreviewLOD]);
+	}
+	else if (lod == LLModel::LOD_PHYSICS)
+	{
+		mFMP->childSetText("physics_file", mLODFile[lod]);
+	}
+
+	mFMP->openFloater();
+}
+
+void LLModelPreview::setPhysicsFromLOD(S32 lod)
+{
+	assert_main_thread();
+
+	if (lod >= 0 && lod <= 3)
+	{
+		mModel[LLModel::LOD_PHYSICS] = mModel[lod];
+		mScene[LLModel::LOD_PHYSICS] = mScene[lod];
+		mLODFile[LLModel::LOD_PHYSICS].clear();
+		mFMP->childSetText("physics_file", mLODFile[LLModel::LOD_PHYSICS]);
+		mVertexBuffer[LLModel::LOD_PHYSICS].clear();
+		rebuildUploadData();
+		refresh();
+		updateStatusMessages();
+	}
+}
+
+void LLModelPreview::clearIncompatible(S32 lod)
+{
+	for (U32 i = 0; i <= LLModel::LOD_HIGH; i++)
+	{ //clear out any entries that aren't compatible with this model
+		if (i != lod)
+		{
+			if (mModel[i].size() != mModel[lod].size())
+			{
+				mModel[i].clear();
+				mScene[i].clear();
+				mVertexBuffer[i].clear();
+
+				if (i == LLModel::LOD_HIGH)
+				{
+					mBaseModel = mModel[lod];
+					clearGLODGroup();
+					mBaseScene = mScene[lod];
+					mVertexBuffer[5].clear();
+				}
+			}
+		}
+	}
+}
+
+void LLModelPreview::clearGLODGroup()
+{
+	if (mGroup)
+	{
+		for (std::map<LLPointer<LLModel>, U32>::iterator iter = mObject.begin(); iter != mObject.end(); ++iter)
+		{
+			glodDeleteObject(iter->second);
+			stop_gloderror();
+		}
+		mObject.clear();
+
+		glodDeleteGroup(mGroup);
+		stop_gloderror();
+		mGroup = 0;
+	}
+}
+
+void LLModelPreview::loadModelCallback(S32 lod)
+{
+	assert_main_thread();
+
+	LLMutexLock lock(this);
+	if (!mModelLoader)
+	{
+		return;
+	}
+
+	mModelLoader->loadTextures() ;
+	mModel[lod] = mModelLoader->mModelList;
+	mScene[lod] = mModelLoader->mScene;
+	mVertexBuffer[lod].clear();
+
+	if (lod == LLModel::LOD_PHYSICS)
+	{
+		mPhysicsMesh.clear();
+	}
+
+	setPreviewLOD(lod);
+
+
+	if (lod == LLModel::LOD_HIGH)
+	{ //save a copy of the highest LOD for automatic LOD manipulation
+		if (mBaseModel.empty())
+		{ //first time we've loaded a model, auto-gen LoD
+			mGenLOD = true;
+		}
+
+		mBaseModel = mModel[lod];
+		clearGLODGroup();
+
+		mBaseScene = mScene[lod];
+		mVertexBuffer[5].clear();
+	}
+
+	clearIncompatible(lod);
+
+	mDirty = true;
+
+	if (lod == LLModel::LOD_HIGH)
+	{
+		resetPreviewTarget();
+	}
+
+	mLoading = false;
+	refresh();
+}
+
+void LLModelPreview::resetPreviewTarget()
+{
+	mPreviewTarget = (mModelLoader->mExtents[0] + mModelLoader->mExtents[1]) * 0.5f;
+	mPreviewScale = (mModelLoader->mExtents[1] - mModelLoader->mExtents[0]) * 0.5f;
+	setPreviewTarget(mPreviewScale.magVec()*2.f);
+}
+
+void LLModelPreview::generateNormals()
+{
+	assert_main_thread();
+
+	S32 which_lod = mPreviewLOD;
+
+
+	if (which_lod > 4 || which_lod < 0 ||
+		mModel[which_lod].empty())
+	{
+		return;
+	}
+
+	F32 angle_cutoff = mFMP->childGetValue("crease_angle").asReal();
+
+	angle_cutoff *= DEG_TO_RAD;
+
+	if (which_lod == 3 && !mBaseModel.empty())
+	{
+		for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)
+		{
+			(*iter)->generateNormals(angle_cutoff);
+		}
+
+		mVertexBuffer[5].clear();
+	}
+
+	for (LLModelLoader::model_list::iterator iter = mModel[which_lod].begin(); iter != mModel[which_lod].end(); ++iter)
+	{
+		(*iter)->generateNormals(angle_cutoff);
+	}
+
+	mVertexBuffer[which_lod].clear();
+	refresh();
+
+}
+
+void LLModelPreview::consolidate()
+{
+	std::map<LLImportMaterial, std::vector<LLModelInstance> > composite;
+
+	LLMatrix4 identity;
+
+	//bake out each node in current scene to composite
+	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+	{ //for each transform in current scene
+		LLMatrix4 mat = iter->first;
+		glh::matrix4f inv_trans = glh::matrix4f((F32*) mat.mMatrix).inverse().transpose();
+		LLMatrix4 norm_mat(inv_trans.m);
+
+		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+		{ //for each instance with that transform
+			LLModelInstance& source_instance = *model_iter;
+			LLModel* source = source_instance.mModel;
+
+			if (!validate_model(source))
+			{
+				llerrs << "Invalid model found!" << llendl;
+			}
+
+			for (S32 i = 0; i < source->getNumVolumeFaces(); ++i)
+			{ //for each face in instance
+				const LLVolumeFace& src_face = source->getVolumeFace(i);
+				LLImportMaterial& source_material = source_instance.mMaterial[i];
+
+				//get model in composite that is composite for this material
+				LLModel* model = NULL;
+
+				if (composite.find(source_material) != composite.end())
+				{
+					model = composite[source_material].rbegin()->mModel;
+					if (model->getVolumeFace(0).mNumVertices + src_face.mNumVertices > 65535)
+					{
+						model = NULL;
+					}
+				}
+
+				if (model == NULL)
+				{  //no model found, make new model
+					std::vector<LLImportMaterial> materials;
+					materials.push_back(source_material);
+					LLVolumeParams volume_params;
+					volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+					model = new LLModel(volume_params, 0.f);
+					model->mLabel = source->mLabel;
+					model->setNumVolumeFaces(0);
+					composite[source_material].push_back(LLModelInstance(model, identity, materials));
+				}
+
+				model->appendFace(src_face, source->mMaterialList[i], mat, norm_mat);
+			}
+		}
+	}
+
+
+	//condense composite into as few LLModel instances as possible
+	LLModelLoader::model_list new_model;
+	std::vector<LLModelInstance> instance_list;
+
+	LLVolumeParams volume_params;
+	volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+
+	std::vector<LLImportMaterial> empty_material;
+	LLModelInstance cur_instance(new LLModel(volume_params, 0.f), identity, empty_material);
+	cur_instance.mModel->setNumVolumeFaces(0);
+
+	BOOL first_transform = TRUE;
+
+	LLModelLoader::scene new_scene;
+	LLVector3 min,max;
+
+	for (std::map<LLImportMaterial, std::vector<LLModelInstance> >::iterator iter = composite.begin();
+		 iter != composite.end();
+		 ++iter)
+	{
+		std::map<LLImportMaterial, std::vector<LLModelInstance> >::iterator next_iter = iter; ++next_iter;
+
+		for (std::vector<LLModelInstance>::iterator instance_iter = iter->second.begin();
+			 instance_iter != iter->second.end();
+			 ++instance_iter)
+		{
+			LLModel* source = instance_iter->mModel;
+
+			if (instance_iter->mMaterial.size() != 1)
+			{
+				llerrs << "WTF?" << llendl;
+			}
+
+			if (source->getNumVolumeFaces() != 1)
+			{
+				llerrs << "WTF?" << llendl;
+			}
+
+			if (source->mMaterialList.size() != 1)
+			{
+				llerrs << "WTF?" << llendl;
+			}
+
+			cur_instance.mModel->addFace(source->getVolumeFace(0));
+			cur_instance.mMaterial.push_back(instance_iter->mMaterial[0]);
+			cur_instance.mModel->mMaterialList.push_back(source->mMaterialList[0]);
+
+			BOOL last_model = FALSE;
+
+			std::vector<LLModelInstance>::iterator next_instance = instance_iter; ++next_instance;
+
+			if (next_iter == composite.end() &&
+				next_instance == iter->second.end())
+			{
+				last_model = TRUE;
+			}
+
+			if (last_model || cur_instance.mModel->getNumVolumeFaces() >= MAX_MODEL_FACES)
+			{
+				cur_instance.mModel->mLabel = source->mLabel;
+
+				cur_instance.mModel->optimizeVolumeFaces();
+				cur_instance.mModel->normalizeVolumeFaces();
+
+				if (!validate_model(cur_instance.mModel))
+				{
+					llerrs << "Invalid model detected." << llendl;
+				}
+
+				new_model.push_back(cur_instance.mModel);
+
+				LLMatrix4 transformation = LLMatrix4();
+
+				// adjust the transformation to compensate for mesh normalization
+				LLVector3 mesh_scale_vector;
+				LLVector3 mesh_translation_vector;
+				cur_instance.mModel->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+				LLMatrix4 mesh_translation;
+				mesh_translation.setTranslation(mesh_translation_vector);
+				mesh_translation *= transformation;
+				transformation = mesh_translation;
+
+				LLMatrix4 mesh_scale;
+				mesh_scale.initScale(mesh_scale_vector);
+				mesh_scale *= transformation;
+				transformation = mesh_scale;
+
+				cur_instance.mTransform = transformation;
+
+				new_scene[transformation].push_back(cur_instance);
+				stretch_extents(cur_instance.mModel, transformation, min, max, first_transform);
+
+				if (!last_model)
+				{
+					cur_instance = LLModelInstance(new LLModel(volume_params, 0.f), identity, empty_material);
+					cur_instance.mModel->setNumVolumeFaces(0);
+				}
+			}
+		}
+	}
+
+	mScene[mPreviewLOD] = new_scene;
+	mModel[mPreviewLOD] = new_model;
+	mVertexBuffer[mPreviewLOD].clear();
+
+	if (mPreviewLOD == LLModel::LOD_HIGH)
+	{
+		mBaseScene = new_scene;
+		mBaseModel = new_model;
+		clearGLODGroup();
+		mVertexBuffer[5].clear();
+	}
+
+	mPreviewTarget = (min+max)*0.5f;
+	mPreviewScale = (max-min)*0.5f;
+	setPreviewTarget(mPreviewScale.magVec()*2.f);
+
+	clearIncompatible(mPreviewLOD);
+
+	mResourceCost = calcResourceCost();
+	refresh();
+}
+
+void LLModelPreview::clearMaterials()
+{
+	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+	{ //for each transform in current scene
+		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+		{ //for each instance with that transform
+			LLModelInstance& source_instance = *model_iter;
+			LLModel* source = source_instance.mModel;
+
+			for (S32 i = 0; i < source->getNumVolumeFaces(); ++i)
+			{ //for each face in instance
+				LLImportMaterial& source_material = source_instance.mMaterial[i];
+
+				//clear material info
+				source_material.mDiffuseColor = LLColor4(1,1,1,1);
+				source_material.mDiffuseMap = NULL;
+				source_material.mDiffuseMapFilename.clear();
+				source_material.mDiffuseMapLabel.clear();
+				source_material.mFullbright = false;
+			}
+		}
+	}
+
+	mVertexBuffer[mPreviewLOD].clear();
+
+	if (mPreviewLOD == LLModel::LOD_HIGH)
+	{
+		mBaseScene = mScene[mPreviewLOD];
+		mBaseModel = mModel[mPreviewLOD];
+		clearGLODGroup();
+		mVertexBuffer[5].clear();
+	}
+
+	mResourceCost = calcResourceCost();
+	refresh();
+}
+
+bool LLModelPreview::containsRiggedAsset( void )
+{
+	//loop through the models and determine if any of them contained a rigged asset, and if so
+	//return true.
+	//This is used to cleanup the joint positions after a preview.
+	for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)
+	{
+		LLModel* pModel = *iter;
+		if ( pModel->mAlternateBindMatrix.size() > 0 )
+		{
+			return true;
+		}
+	}
+	return false;
+}
+void LLModelPreview::genLODs(S32 which_lod, U32 decimation)
+{
+	if (mBaseModel.empty())
+	{
+		return;
+	}
+
+	if (which_lod == LLModel::LOD_PHYSICS)
+	{ //clear physics mesh map
+		mPhysicsMesh.clear();
+	}
+
+	LLVertexBuffer::unbind();
+
+	stop_gloderror();
+	static U32 cur_name = 1;
+
+	S32 limit = -1;
+
+	U32 triangle_count = 0;
+
+	for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)
+	{
+		LLModel* mdl = *iter;
+		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+		{
+			triangle_count += mdl->getVolumeFace(i).mNumIndices/3;
+		}
+	}
+
+	U32 base_triangle_count = triangle_count;
+
+	U32 type_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;
+
+	U32 lod_mode = 0;
+
+	LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode");
+	if (iface)
+	{
+		lod_mode = iface->getFirstSelectedIndex();
+	}
+
+	F32 lod_error_threshold = mFMP->childGetValue("lod_error_threshold").asReal();
+
+	if (lod_mode == 0)
+	{
+		lod_mode = GLOD_TRIANGLE_BUDGET;
+		if (which_lod != -1)
+		{
+			//SH-632 take budget as supplied limit+1 to prevent GLOD from creating a smaller
+			//decimation when the given decimation is possible
+			limit = mFMP->childGetValue("lod_triangle_limit").asInteger(); //+1;
+		}
+	}
+	else
+	{
+		lod_mode = GLOD_ERROR_THRESHOLD;
+	}
+
+	U32 build_operator = 0;
+
+	iface = mFMP->childGetSelectionInterface("build_operator");
+	if (iface)
+	{
+		build_operator = iface->getFirstSelectedIndex();
+	}
+
+	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();
+	}
+
+	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();
+	}
+
+	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;
+	}
+
+	if (mGroup == 0)
+	{
+		object_dirty = true;
+		mGroup = cur_name++;
+		glodNewGroup(mGroup);
+	}
+
+	if (object_dirty)
+	{
+		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;
+
+			if (mObject[mdl] != 0)
+			{
+				glodDeleteObject(mObject[mdl]);
+			}
+
+			mObject[mdl] = cur_name++;
+
+			glodNewObject(mObject[mdl], mGroup, GLOD_DISCRETE);
+			stop_gloderror();
+
+			if (iter == mBaseModel.begin() && !mdl->mSkinWeights.empty())
+			{ //regenerate vertex buffer for skinned models to prevent animation feedback during LOD generation
+				mVertexBuffer[5].clear();
+			}
+
+			if (mVertexBuffer[5].empty())
+			{
+				genBuffers(5, false);
+			}
+
+			U32 tri_count = 0;
+			for (U32 i = 0; i < mVertexBuffer[5][mdl].size(); ++i)
+			{
+				mVertexBuffer[5][mdl][i]->setBuffer(type_mask);
+				U32 num_indices = mVertexBuffer[5][mdl][i]->getNumIndices();
+				if (num_indices > 2)
+				{
+					glodInsertElements(mObject[mdl], i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT, mVertexBuffer[5][mdl][i]->getIndicesPointer(), 0, 0.f);
+				}
+				tri_count += num_indices/3;
+				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();
+		}
+	}
+
+
+	S32 start = LLModel::LOD_HIGH;
+	S32 end = 0;
+
+	if (which_lod != -1)
+	{
+		start = end = which_lod;
+	}
+	else
+	{
+		//SH-632 -- incremenet triangle count to avoid removing any triangles from
+		//highest LoD when auto-generating LoD
+		triangle_count++;
+	}
+
+
+	mMaxTriangleLimit = base_triangle_count;
+
+	for (S32 lod = start; lod >= end; --lod)
+	{
+		if (which_lod == -1)
+		{
+			if (lod < start)
+			{
+				triangle_count /= decimation;
+			}
+		}
+		else
+		{
+			triangle_count = limit;
+		}
+
+		mModel[lod].clear();
+		mModel[lod].resize(mBaseModel.size());
+		mVertexBuffer[lod].clear();
+
+		U32 actual_tris = 0;
+		U32 actual_verts = 0;
+		U32 submeshes = 0;
+
+		glodGroupParameteri(mGroup, GLOD_ADAPT_MODE, lod_mode);
+		stop_gloderror();
+
+		glodGroupParameteri(mGroup, GLOD_ERROR_MODE, GLOD_OBJECT_SPACE_ERROR);
+		stop_gloderror();
+
+		glodGroupParameteri(mGroup, GLOD_MAX_TRIANGLES, triangle_count);
+		stop_gloderror();
+
+		glodGroupParameterf(mGroup, GLOD_OBJECT_SPACE_ERROR_THRESHOLD, lod_error_threshold);
+		stop_gloderror();
+
+		glodAdaptGroup(mGroup);
+		stop_gloderror();
+
+		for (U32 mdl_idx = 0; mdl_idx < mBaseModel.size(); ++mdl_idx)
+		{
+			LLModel* base = mBaseModel[mdl_idx];
+
+			GLint patch_count = 0;
+			glodGetObjectParameteriv(mObject[base], GLOD_NUM_PATCHES, &patch_count);
+			stop_gloderror();
+
+			LLVolumeParams volume_params;
+			volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+			mModel[lod][mdl_idx] = new LLModel(volume_params, 0.f);
+
+			GLint* sizes = new GLint[patch_count*2];
+			glodGetObjectParameteriv(mObject[base], GLOD_PATCH_SIZES, sizes);
+			stop_gloderror();
+
+			GLint* names = new GLint[patch_count];
+			glodGetObjectParameteriv(mObject[base], GLOD_PATCH_NAMES, names);
+			stop_gloderror();
+
+			mModel[lod][mdl_idx]->setNumVolumeFaces(patch_count);
+
+			LLModel* target_model = mModel[lod][mdl_idx];
+
+			for (GLint i = 0; i < patch_count; ++i)
+			{
+				LLPointer<LLVertexBuffer> buff = new LLVertexBuffer(type_mask, 0);
+
+				if (sizes[i*2+1] > 0 && sizes[i*2] > 0)
+				{
+					buff->allocateBuffer(sizes[i*2+1], sizes[i*2], true);
+					buff->setBuffer(type_mask);
+					glodFillElements(mObject[base], names[i], GL_UNSIGNED_SHORT, buff->getIndicesPointer());
+					stop_gloderror();
+				}
+				else
+				{ //this face was eliminated, create a dummy triangle (one vertex, 3 indices, all 0)
+					buff->allocateBuffer(1, 3, true);
+					memset(buff->getMappedData(), 0, buff->getSize());
+					memset(buff->getIndicesPointer(), 0, buff->getIndicesSize());
+				}
+
+				buff->validateRange(0, buff->getNumVerts()-1, buff->getNumIndices(), 0);
+
+				LLStrider<LLVector3> pos;
+				LLStrider<LLVector3> norm;
+				LLStrider<LLVector2> tc;
+				LLStrider<U16> index;
+
+				buff->getVertexStrider(pos);
+				buff->getNormalStrider(norm);
+				buff->getTexCoord0Strider(tc);
+				buff->getIndexStrider(index);
+
+				target_model->setVolumeFaceData(names[i], pos, norm, tc, index, buff->getNumVerts(), buff->getNumIndices());
+				actual_tris += buff->getNumIndices()/3;
+				actual_verts += buff->getNumVerts();
+				++submeshes;
+
+				if (!validate_face(target_model->getVolumeFace(names[i])))
+				{
+					llerrs << "Invalid face generated during LOD generation." << llendl;
+				}
+			}
+
+			//blind copy skin weights and just take closest skin weight to point on
+			//decimated mesh for now (auto-generating LODs with skin weights is still a bit
+			//of an open problem).
+			target_model->mPosition = base->mPosition;
+			target_model->mSkinWeights = base->mSkinWeights;
+			target_model->mJointMap = base->mJointMap;
+			target_model->mJointList = base->mJointList;
+			target_model->mInvBindMatrix = base->mInvBindMatrix;
+			target_model->mBindShapeMatrix = base->mBindShapeMatrix;
+			target_model->mAlternateBindMatrix = base->mAlternateBindMatrix;
+			//copy material list
+			target_model->mMaterialList = base->mMaterialList;
+
+			if (!validate_model(target_model))
+			{
+				llerrs << "Invalid model generated when creating LODs" << llendl;
+			}
+
+			delete [] sizes;
+			delete [] names;
+		}
+
+		//rebuild scene based on mBaseScene
+		mScene[lod].clear();
+		mScene[lod] = mBaseScene;
+
+		for (U32 i = 0; i < mBaseModel.size(); ++i)
+		{
+			LLModel* mdl = mBaseModel[i];
+			LLModel* target = mModel[lod][i];
+			if (target)
+			{
+				for (LLModelLoader::scene::iterator iter = mScene[lod].begin(); iter != mScene[lod].end(); ++iter)
+				{
+					for (U32 j = 0; j < iter->second.size(); ++j)
+					{
+						if (iter->second[j].mModel == mdl)
+						{
+							iter->second[j].mModel = target;
+						}
+					}
+				}
+			}
+		}
+	}
+
+	mResourceCost = calcResourceCost();
+
+	/*if (which_lod == -1 && mScene[LLModel::LOD_PHYSICS].empty())
+	 { //build physics scene
+	 mScene[LLModel::LOD_PHYSICS] = mScene[LLModel::LOD_LOW];
+	 mModel[LLModel::LOD_PHYSICS] = mModel[LLModel::LOD_LOW];
+
+	 for (U32 i = 1; i < mModel[LLModel::LOD_PHYSICS].size(); ++i)
+	 {
+	 mPhysicsQ.push(mModel[LLModel::LOD_PHYSICS][i]);
+	 }
+	 }*/
+}
+
+void LLModelPreview::updateStatusMessages()
+{
+	assert_main_thread();
+
+	//triangle/vertex/submesh count for each mesh asset for each lod
+	std::vector<S32> tris[LLModel::NUM_LODS];
+	std::vector<S32> verts[LLModel::NUM_LODS];
+	std::vector<S32> submeshes[LLModel::NUM_LODS];
+
+	//total triangle/vertex/submesh count for each lod
+	S32 total_tris[LLModel::NUM_LODS];
+	S32 total_verts[LLModel::NUM_LODS];
+	S32 total_submeshes[LLModel::NUM_LODS];
+
+	for (S32 lod = 0; lod < LLModel::NUM_LODS; ++lod)
+	{
+		//initialize total for this lod to 0
+		total_tris[lod] = total_verts[lod] = total_submeshes[lod] = 0;
+
+		for (U32 i = 0; i < mModel[lod].size(); ++i)
+		{ //for each model in the lod
+			S32 cur_tris = 0;
+			S32 cur_verts = 0;
+			S32 cur_submeshes = mModel[lod][i]->getNumVolumeFaces();
+
+			for (S32 j = 0; j < cur_submeshes; ++j)
+			{ //for each submesh (face), add triangles and vertices to current total
+				const LLVolumeFace& face = mModel[lod][i]->getVolumeFace(j);
+				cur_tris += face.mNumIndices/3;
+				cur_verts += face.mNumVertices;
+			}
+
+			//add this model to the lod total
+			total_tris[lod] += cur_tris;
+			total_verts[lod] += cur_verts;
+			total_submeshes[lod] += cur_submeshes;
+
+			//store this model's counts to asset data
+			tris[lod].push_back(cur_tris);
+			verts[lod].push_back(cur_verts);
+			submeshes[lod].push_back(cur_submeshes);
+		}
+	}
+
+	if (mMaxTriangleLimit == 0)
+	{
+		mMaxTriangleLimit = total_tris[LLModel::LOD_HIGH];
+	}
+
+
+	mFMP->childSetTextArg("submeshes_info", "[SUBMESHES]", llformat("%d", total_submeshes[LLModel::LOD_HIGH]));
+
+	std::string mesh_status_na = mFMP->getString("mesh_status_na");
+
+	S32 upload_status[LLModel::LOD_HIGH+1];
+
+	bool upload_ok = true;
+
+	for (S32 lod = 0; lod <= LLModel::LOD_HIGH; ++lod)
+	{
+		upload_status[lod] = 0;
+
+		std::string message = "mesh_status_good";
+
+		if (total_tris[lod] > 0)
+		{
+			mFMP->childSetText(lod_triangles_name[lod], llformat("%d", total_tris[lod]));
+			mFMP->childSetText(lod_vertices_name[lod], llformat("%d", total_verts[lod]));
+		}
+		else
+		{
+			if (lod == LLModel::LOD_HIGH)
+			{
+				upload_status[lod] = 2;
+				message = "mesh_status_missing_lod";
+			}
+			else
+			{
+				for (S32 i = lod-1; i >= 0; --i)
+				{
+					if (total_tris[i] > 0)
+					{
+						upload_status[lod] = 2;
+						message = "mesh_status_missing_lod";
+					}
+				}
+			}
+
+			mFMP->childSetText(lod_triangles_name[lod], mesh_status_na);
+			mFMP->childSetText(lod_vertices_name[lod], mesh_status_na);
+		}
+
+		const U32 lod_high = LLModel::LOD_HIGH;
+
+		if (lod != lod_high)
+		{
+			if (total_submeshes[lod] && total_submeshes[lod] != total_submeshes[lod_high])
+			{ //number of submeshes is different
+				message = "mesh_status_submesh_mismatch";
+				upload_status[lod] = 2;
+			}
+			else if (!tris[lod].empty() && tris[lod].size() != tris[lod_high].size())
+			{ //number of meshes is different
+				message = "mesh_status_mesh_mismatch";
+				upload_status[lod] = 2;
+			}
+			else if (!verts[lod].empty())
+			{
+				for (U32 i = 0; i < verts[lod].size(); ++i)
+				{
+					S32 max_verts = i < verts[lod+1].size() ? verts[lod+1][i] : 0;
+
+					if (max_verts > 0)
+					{
+						if (verts[lod][i] > max_verts)
+						{ //too many vertices in this lod
+							message = "mesh_status_too_many_vertices";
+							upload_status[lod] = 2;
+						}
+					}
+				}
+			}
+		}
+
+		LLIconCtrl* icon = mFMP->getChild<LLIconCtrl>(lod_icon_name[lod]);
+		LLUIImagePtr img = LLUI::getUIImage(lod_status_image[upload_status[lod]]);
+		icon->setVisible(true);
+		icon->setImage(img);
+
+		if (upload_status[lod] >= 2)
+		{
+			upload_ok = false;
+		}
+
+		if (lod == mPreviewLOD)
+		{
+			mFMP->childSetText("lod_status_message_text", mFMP->getString(message));
+			icon = mFMP->getChild<LLIconCtrl>("lod_status_message_icon");
+			icon->setImage(img);
+		}
+	}
+
+	bool errorStateFromLoader = mModelLoader->getLoadState() == LLModelLoader::ERROR_PARSING ? true : false;
+
+	if ( upload_ok && !errorStateFromLoader )
+	{
+		mFMP->childEnable("ok_btn");
+	}
+	else
+	{
+		mFMP->childDisable("ok_btn");
+	}
+
+	//add up physics triangles etc
+	S32 start = 0;
+	S32 end = mModel[LLModel::LOD_PHYSICS].size();
+
+	S32 phys_tris = 0;
+	S32 phys_hulls = 0;
+	S32 phys_points = 0;
+
+	for (S32 i = start; i < end; ++i)
+	{ //add up hulls and points and triangles for selected mesh(es)
+		LLModel* model = mModel[LLModel::LOD_PHYSICS][i];
+		S32 cur_submeshes = model->getNumVolumeFaces();
+
+		LLModel::convex_hull_decomposition& decomp = model->mConvexHullDecomp;
+
+		if (!decomp.empty())
+		{
+			phys_hulls += decomp.size();
+			for (U32 i = 0; i < decomp.size(); ++i)
+			{
+				phys_points += decomp[i].size();
+			}
+		}
+		else
+		{ //choose physics shape OR decomposition, can't use both
+			for (S32 j = 0; j < cur_submeshes; ++j)
+			{ //for each submesh (face), add triangles and vertices to current total
+				const LLVolumeFace& face = model->getVolumeFace(j);
+				phys_tris += face.mNumIndices/3;
+			}
+		}
+	}
+
+	if (phys_tris > 0)
+	{
+		mFMP->childSetTextArg("physics_triangles", "[TRIANGLES]", llformat("%d", phys_tris));
+	}
+	else
+	{
+		mFMP->childSetTextArg("physics_triangles", "[TRIANGLES]", mesh_status_na);
+	}
+
+	if (phys_hulls > 0)
+	{
+		mFMP->childSetTextArg("physics_hulls", "[HULLS]", llformat("%d", phys_hulls));
+		mFMP->childSetTextArg("physics_points", "[POINTS]", llformat("%d", phys_points));
+	}
+	else
+	{
+		mFMP->childSetTextArg("physics_hulls", "[HULLS]", mesh_status_na);
+		mFMP->childSetTextArg("physics_points", "[POINTS]", mesh_status_na);
+	}
+
+	LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;
+	if (fmp)
+	{
+		if (phys_tris > 0 || phys_hulls > 0)
+		{
+			if (!fmp->isViewOptionEnabled("show_physics"))
+			{
+				fmp->enableViewOption("show_physics");
+				mViewOption["show_physics"] = true;
+			}
+		}
+		else
+		{
+			fmp->disableViewOption("show_physics");
+			mViewOption["show_physics"] = false;
+
+		}
+
+		//bool use_hull = fmp->childGetValue("physics_use_hull").asBoolean();
+
+		//fmp->childSetEnabled("physics_optimize", !use_hull);
+
+		bool enable = phys_tris > 0 || phys_hulls > 0;
+		//enable = enable && !use_hull && fmp->childGetValue("physics_optimize").asBoolean();
+
+		//enable/disable "analysis" UI
+		LLPanel* panel = fmp->getChild<LLPanel>("physics analysis");
+		LLView* child = panel->getFirstChild();
+		while (child)
+		{
+			child->setEnabled(enable);
+			child = panel->findNextSibling(child);
+		}
+
+		enable = phys_hulls > 0;
+		//enable/disable "simplification" UI
+		panel = fmp->getChild<LLPanel>("physics simplification");
+		child = panel->getFirstChild();
+		while (child)
+		{
+			child->setEnabled(enable);
+			child = panel->findNextSibling(child);
+		}
+	}
+
+	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"
+	};
+	const U32 num_lod_controls = sizeof(lod_controls)/sizeof(char*);
+
+	const char* file_controls[] =
+	{
+		"lod_browse",
+		"lod_file"
+	};
+	const U32 num_file_controls = sizeof(file_controls)/sizeof(char*);
+
+	if (fmp)
+	{
+		//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]);
+			}
+
+			for (U32 i = 0; i < num_lod_controls; ++i)
+			{
+				mFMP->childDisable(lod_controls[i]);
+			}
+		}
+		else if (mFMP->childGetValue("lod_none").asBoolean())
+		{
+			fmp->mLODMode[mPreviewLOD] = 2;
+			for (U32 i = 0; i < num_file_controls; ++i)
+			{
+				mFMP->childDisable(file_controls[i]);
+			}
+
+			for (U32 i = 0; i < num_lod_controls; ++i)
+			{
+				mFMP->childDisable(lod_controls[i]);
+			}
+
+			if (!mModel[mPreviewLOD].empty())
+			{
+				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;
+			}
+		}
+		else
+		{	// auto generate, also the default case for wizard which has no radio selection
+			fmp->mLODMode[mPreviewLOD] = 1;
+
+			for (U32 i = 0; i < num_file_controls; ++i)
+			{
+				mFMP->childDisable(file_controls[i]);
+			}
+
+			for (U32 i = 0; i < num_lod_controls; ++i)
+			{
+				mFMP->childEnable(lod_controls[i]);
+			}
+
+			//if (threshold)
+			{	
+				U32 lod_mode = 0;
+				LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode");
+				if (iface)
+				{
+					lod_mode = iface->getFirstSelectedIndex();
+				}
+
+				LLSpinCtrl* threshold = mFMP->getChild<LLSpinCtrl>("lod_error_threshold");
+				LLSpinCtrl* limit = mFMP->getChild<LLSpinCtrl>("lod_triangle_limit");
+
+				limit->setMaxValue(mMaxTriangleLimit);
+				limit->setValue(total_tris[mPreviewLOD]);
+
+				if (lod_mode == 0)
+				{
+					limit->setVisible(true);
+					threshold->setVisible(false);
+
+					limit->setMaxValue(mMaxTriangleLimit);
+				}
+				else
+				{
+					limit->setVisible(false);
+					threshold->setVisible(true);
+				}
+			}
+		}
+	}
+
+	if (mFMP->childGetValue("physics_load_from_file").asBoolean())
+	{
+		mFMP->childDisable("physics_lod_combo");
+		mFMP->childEnable("physics_file");
+		mFMP->childEnable("physics_browse");
+	}
+	else
+	{
+		mFMP->childEnable("physics_lod_combo");
+		mFMP->childDisable("physics_file");
+		mFMP->childDisable("physics_browse");
+	}
+}
+
+void LLModelPreview::setPreviewTarget(F32 distance)
+{
+	mCameraDistance = distance;
+	mCameraZoom = 1.f;
+	mCameraPitch = 0.f;
+	mCameraYaw = 0.f;
+	mCameraOffset.clearVec();
+}
+
+void LLModelPreview::clearBuffers()
+{
+	for (U32 i = 0; i < 6; i++)
+	{
+		mVertexBuffer[i].clear();
+	}
+}
+
+void LLModelPreview::genBuffers(S32 lod, bool include_skin_weights)
+{
+	U32 tri_count = 0;
+	U32 vertex_count = 0;
+	U32 mesh_count = 0;
+
+	LLModelLoader::model_list* model = NULL;
+
+	if (lod < 0 || lod > 4)
+	{
+		model = &mBaseModel;
+		lod = 5;
+	}
+	else
+	{
+		model = &(mModel[lod]);
+	}
+
+	if (!mVertexBuffer[lod].empty())
+	{
+		mVertexBuffer[lod].clear();
+	}
+
+	mVertexBuffer[lod].clear();
+
+	LLModelLoader::model_list::iterator base_iter = mBaseModel.begin();
+
+	for (LLModelLoader::model_list::iterator iter = model->begin(); iter != model->end(); ++iter)
+	{
+		LLModel* mdl = *iter;
+		if (!mdl)
+		{
+			continue;
+		}
+
+		LLModel* base_mdl = *base_iter;
+		base_iter++;
+
+		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+		{
+			const LLVolumeFace &vf = mdl->getVolumeFace(i);
+			U32 num_vertices = vf.mNumVertices;
+			U32 num_indices = vf.mNumIndices;
+
+			if (!num_vertices || ! num_indices)
+			{
+				continue;
+			}
+
+			LLVertexBuffer* vb = NULL;
+
+			bool skinned = include_skin_weights && !mdl->mSkinWeights.empty();
+
+			U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;
+
+			if (skinned)
+			{
+				mask |= LLVertexBuffer::MAP_WEIGHT4;
+			}
+
+			vb = new LLVertexBuffer(mask, 0);
+
+			vb->allocateBuffer(num_vertices, num_indices, TRUE);
+
+			LLStrider<LLVector3> vertex_strider;
+			LLStrider<LLVector3> normal_strider;
+			LLStrider<LLVector2> tc_strider;
+			LLStrider<U16> index_strider;
+			LLStrider<LLVector4> weights_strider;
+
+			vb->getVertexStrider(vertex_strider);
+			vb->getNormalStrider(normal_strider);
+			vb->getTexCoord0Strider(tc_strider);
+			vb->getIndexStrider(index_strider);
+
+			if (skinned)
+			{
+				vb->getWeight4Strider(weights_strider);
+			}
+
+			LLVector4a::memcpyNonAliased16((F32*) vertex_strider.get(), (F32*) vf.mPositions, num_vertices*4*sizeof(F32));
+			LLVector4a::memcpyNonAliased16((F32*) tc_strider.get(), (F32*) vf.mTexCoords, num_vertices*2*sizeof(F32));
+			LLVector4a::memcpyNonAliased16((F32*) normal_strider.get(), (F32*) vf.mNormals, num_vertices*4*sizeof(F32));
+
+			if (skinned)
+			{
+				for (U32 i = 0; i < num_vertices; i++)
+				{
+					//find closest weight to vf.mVertices[i].mPosition
+					LLVector3 pos(vf.mPositions[i].getF32ptr());
+
+					const LLModel::weight_list& weight_list = base_mdl->getJointInfluences(pos);
+
+					LLVector4 w(0,0,0,0);
+					if (weight_list.size() > 4)
+					{
+						llerrs << "WTF?" << llendl;
+					}
+
+					for (U32 i = 0; i < weight_list.size(); ++i)
+					{
+						F32 wght = llmin(weight_list[i].mWeight, 0.999999f);
+						F32 joint = (F32) weight_list[i].mJointIdx;
+						w.mV[i] = joint + wght;
+					}
+
+					*(weights_strider++) = w;
+				}
+			}
+
+			// build indices
+			for (U32 i = 0; i < num_indices; i++)
+			{
+				*(index_strider++) = vf.mIndices[i];
+			}
+
+			mVertexBuffer[lod][mdl].push_back(vb);
+
+			vertex_count += num_vertices;
+			tri_count += num_indices/3;
+			++mesh_count;
+
+		}
+	}
+}
+
+void LLModelPreview::update()
+{
+	if (mDirty)
+	{
+		mDirty = false;
+		mResourceCost = calcResourceCost();
+		refresh();
+		updateStatusMessages();
+	}
+
+	if (mGenLOD)
+	{
+		mGenLOD = false;
+		genLODs();
+		refresh();
+		updateStatusMessages();
+	}
+
+}
+
+//-----------------------------------------------------------------------------
+// render()
+//-----------------------------------------------------------------------------
+BOOL LLModelPreview::render()
+{
+	assert_main_thread();
+
+	LLMutexLock lock(this);
+	mNeedsUpdate = FALSE;
+
+	bool edges = mViewOption["show_edges"];
+	bool joint_positions = mViewOption["show_joint_positions"];
+	bool skin_weight = mViewOption["show_skin_weight"];
+	bool textures = mViewOption["show_textures"];
+	bool physics = mViewOption["show_physics"];
+
+	S32 width = getWidth();
+	S32 height = getHeight();
+
+	LLGLSUIDefault def;
+	LLGLDisable no_blend(GL_BLEND);
+	LLGLEnable cull(GL_CULL_FACE);
+	LLGLDepthTest depth(GL_TRUE);
+	LLGLDisable fog(GL_FOG);
+
+	{
+		//clear background to blue
+		glMatrixMode(GL_PROJECTION);
+		gGL.pushMatrix();
+		glLoadIdentity();
+		glOrtho(0.0f, width, 0.0f, height, -1.0f, 1.0f);
+
+		glMatrixMode(GL_MODELVIEW);
+		gGL.pushMatrix();
+		glLoadIdentity();
+
+		gGL.color4f(0.15f, 0.2f, 0.3f, 1.f);
+
+		gl_rect_2d_simple( width, height );
+
+		glMatrixMode(GL_PROJECTION);
+		gGL.popMatrix();
+
+		glMatrixMode(GL_MODELVIEW);
+		gGL.popMatrix();
+	}
+
+	LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;
+	
+	bool has_skin_weights = false;
+	bool upload_skin = mFMP->childGetValue("upload_skin").asBoolean();
+	bool upload_joints = mFMP->childGetValue("upload_joints").asBoolean();
+
+	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+	{
+		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+		{
+			LLModelInstance& instance = *model_iter;
+			LLModel* model = instance.mModel;
+			if (!model->mSkinWeights.empty())
+			{
+				has_skin_weights = true;
+			}
+		}
+	}
+
+	if (has_skin_weights)
+	{ //model has skin weights, enable view options for skin weights and joint positions
+		if (fmp)
+		{
+			fmp->enableViewOption("show_skin_weight");
+			fmp->setViewOptionEnabled("show_joint_positions", skin_weight);
+		}
+		mFMP->childEnable("upload_skin");
+	}
+	else
+	{
+		mFMP->childDisable("upload_skin");
+		if (fmp)
+		{
+			mViewOption["show_skin_weight"] = false;
+			fmp->disableViewOption("show_skin_weight");
+			fmp->disableViewOption("show_joint_positions");
+		}
+		skin_weight = false;
+	}
+
+	if (upload_skin && !has_skin_weights)
+	{ //can't upload skin weights if model has no skin weights
+		mFMP->childSetValue("upload_skin", false);
+		upload_skin = false;
+	}
+
+	if (!upload_skin && upload_joints)
+	{ //can't upload joints if not uploading skin weights
+		mFMP->childSetValue("upload_joints", false);
+		upload_joints = false;
+	}
+
+	mFMP->childSetEnabled("upload_joints", upload_skin);
+
+	F32 explode = mFMP->childGetValue("physics_explode").asReal();
+
+	glClear(GL_DEPTH_BUFFER_BIT);
+
+	LLRect preview_rect = mFMP->getChildView("preview_panel")->getRect();
+	F32 aspect = (F32) preview_rect.getWidth()/preview_rect.getHeight();
+
+	LLViewerCamera::getInstance()->setAspect(aspect);
+
+	LLViewerCamera::getInstance()->setView(LLViewerCamera::getInstance()->getDefaultFOV() / mCameraZoom);
+
+	LLVector3 offset = mCameraOffset;
+	LLVector3 target_pos = mPreviewTarget+offset;
+
+	F32 z_near = 0.001f;
+	F32 z_far = mCameraDistance+mPreviewScale.magVec()+mCameraOffset.magVec();
+
+	if (skin_weight)
+	{
+		target_pos = gAgentAvatarp->getPositionAgent();
+		z_near = 0.01f;
+		z_far = 1024.f;
+		mCameraDistance = 16.f;
+
+		//render avatar previews every frame
+		refresh();
+	}
+
+	glLoadIdentity();
+	gPipeline.enableLightsPreview();
+
+	LLQuaternion camera_rot = LLQuaternion(mCameraPitch, LLVector3::y_axis) *
+	LLQuaternion(mCameraYaw, LLVector3::z_axis);
+
+	LLQuaternion av_rot = camera_rot;
+	LLViewerCamera::getInstance()->setOriginAndLookAt(
+													  target_pos + ((LLVector3(mCameraDistance, 0.f, 0.f) + offset) * av_rot),		// camera
+													  LLVector3::z_axis,																	// up
+													  target_pos);											// point of interest
+
+
+	LLViewerCamera::getInstance()->setPerspective(FALSE, mOrigin.mX, mOrigin.mY, width, height, FALSE, z_near, z_far);
+
+	stop_glerror();
+
+	gGL.pushMatrix();
+	const F32 BRIGHTNESS = 0.9f;
+	gGL.color3f(BRIGHTNESS, BRIGHTNESS, BRIGHTNESS);
+
+	LLGLEnable normalize(GL_NORMALIZE);
+
+	if (!mBaseModel.empty() && mVertexBuffer[5].empty())
+	{
+		genBuffers(-1, skin_weight);
+		//genBuffers(3);
+		//genLODs();
+	}
+
+	if (!mModel[mPreviewLOD].empty())
+	{
+		bool regen = mVertexBuffer[mPreviewLOD].empty();
+		if (!regen)
+		{
+			const std::vector<LLPointer<LLVertexBuffer> >& vb_vec = mVertexBuffer[mPreviewLOD].begin()->second;
+			if (!vb_vec.empty())
+			{
+				const LLVertexBuffer* buff = vb_vec[0];
+				regen = buff->hasDataType(LLVertexBuffer::TYPE_WEIGHT4) != skin_weight;
+			}
+		}
+
+		if (regen)
+		{
+			genBuffers(mPreviewLOD, skin_weight);
+		}
+
+		if (!skin_weight)
+		{
+			for (LLMeshUploadThread::instance_list::iterator iter = mUploadData.begin(); iter != mUploadData.end(); ++iter)
+			{
+				LLModelInstance& instance = *iter;
+
+				LLModel* model = instance.mLOD[mPreviewLOD];
+
+				if (!model)
+				{
+					continue;
+				}
+
+				gGL.pushMatrix();
+				LLMatrix4 mat = instance.mTransform;
+
+				glMultMatrixf((GLfloat*) mat.mMatrix);
+
+				for (U32 i = 0; i < mVertexBuffer[mPreviewLOD][model].size(); ++i)
+				{
+					LLVertexBuffer* buffer = mVertexBuffer[mPreviewLOD][model][i];
+
+					buffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);
+
+					if (textures)
+					{
+						glColor4fv(instance.mMaterial[i].mDiffuseColor.mV);
+						if (i < instance.mMaterial.size() && instance.mMaterial[i].mDiffuseMap.notNull())
+						{
+							gGL.getTexUnit(0)->bind(instance.mMaterial[i].mDiffuseMap, true);
+							if (instance.mMaterial[i].mDiffuseMap->getDiscardLevel() > -1)
+							{
+								mTextureSet.insert(instance.mMaterial[i].mDiffuseMap.get());
+							}
+						}
+					}
+					else
+					{
+						glColor4f(1,1,1,1);
+					}
+
+					buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);
+					gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+					glColor3f(0.4f, 0.4f, 0.4f);
+
+					if (edges)
+					{
+						glLineWidth(3.f);
+						glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+						buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);
+						glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+						glLineWidth(1.f);
+					}
+				}
+				gGL.popMatrix();
+			}
+
+			if (physics)
+			{
+				glClear(GL_DEPTH_BUFFER_BIT);
+				LLGLEnable blend(GL_BLEND);
+				gGL.blendFunc(LLRender::BF_ONE, LLRender::BF_ZERO);
+
+				for (LLMeshUploadThread::instance_list::iterator iter = mUploadData.begin(); iter != mUploadData.end(); ++iter)
+				{
+					LLModelInstance& instance = *iter;
+
+					LLModel* model = instance.mLOD[LLModel::LOD_PHYSICS];
+
+					if (!model)
+					{
+						continue;
+					}
+
+					gGL.pushMatrix();
+					LLMatrix4 mat = instance.mTransform;
+
+					glMultMatrixf((GLfloat*) mat.mMatrix);
+
+
+					bool render_mesh = true;
+
+					LLPhysicsDecomp* decomp = gMeshRepo.mDecompThread;
+					if (decomp)
+					{
+						LLMutexLock(decomp->mMutex);
+
+						std::map<LLPointer<LLModel>, std::vector<LLPointer<LLVertexBuffer> > >::iterator iter =
+							mPhysicsMesh.find(model);
+						if (iter != mPhysicsMesh.end())
+						{ //render hull instead of mesh
+							render_mesh = false;
+							for (U32 i = 0; i < iter->second.size(); ++i)
+							{
+								if (explode > 0.f)
+								{
+									gGL.pushMatrix();
+
+									LLVector3 offset = model->mHullCenter[i]-model->mCenterOfHullCenters;
+									offset *= explode;
+
+									gGL.translatef(offset.mV[0], offset.mV[1], offset.mV[2]);
+								}
+
+								static std::vector<LLColor4U> hull_colors;
+
+								if (i+1 >= hull_colors.size())
+								{
+									hull_colors.push_back(LLColor4U(rand()%128+127, rand()%128+127, rand()%128+127, 255));
+								}
+
+								LLVertexBuffer* buff = iter->second[i];
+								if (buff)
+								{
+									buff->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL);
+
+									glColor4ubv(hull_colors[i].mV);
+									buff->drawArrays(LLRender::TRIANGLES, 0, buff->getNumVerts());
+								}
+
+								if (explode > 0.f)
+								{
+									gGL.popMatrix();
+								}
+							}
+						}
+					}
+
+					if (render_mesh)
+					{
+						if (mVertexBuffer[LLModel::LOD_PHYSICS].empty())
+						{
+							genBuffers(LLModel::LOD_PHYSICS, false);
+						}
+						for (U32 i = 0; i < mVertexBuffer[LLModel::LOD_PHYSICS][model].size(); ++i)
+						{
+							LLVertexBuffer* buffer = mVertexBuffer[LLModel::LOD_PHYSICS][model][i];
+
+							buffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);
+
+							buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);
+							gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+							glColor4f(0.4f, 0.4f, 0.0f, 0.4f);
+
+							buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);
+
+							glColor3f(1.f, 1.f, 0.f);
+
+							glLineWidth(3.f);
+							glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+							buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);
+							glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+							glLineWidth(1.f);
+						}
+					}
+
+					gGL.popMatrix();
+				}
+
+				gGL.setSceneBlendType(LLRender::BT_ALPHA);
+			}
+		}
+		else
+		{
+			LLVOAvatarSelf* avatar = gAgentAvatarp;
+			target_pos = avatar->getPositionAgent();
+
+			LLViewerCamera::getInstance()->setOriginAndLookAt(
+															  target_pos + ((LLVector3(mCameraDistance, 0.f, 0.f) + offset) * av_rot),		// camera
+															  LLVector3::z_axis,																	// up
+															  target_pos);											// point of interest
+
+			if (joint_positions)
+			{
+				avatar->renderCollisionVolumes();
+			}
+
+			for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+			{
+				for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+				{
+					LLModelInstance& instance = *model_iter;
+					LLModel* model = instance.mModel;
+
+					if (!model->mSkinWeights.empty())
+					{
+						for (U32 i = 0; i < mVertexBuffer[mPreviewLOD][model].size(); ++i)
+						{
+							LLVertexBuffer* buffer = mVertexBuffer[mPreviewLOD][model][i];
+
+							const LLVolumeFace& face = model->getVolumeFace(i);
+
+							LLStrider<LLVector3> position;
+							buffer->getVertexStrider(position);
+
+							LLStrider<LLVector4> weight;
+							buffer->getWeight4Strider(weight);
+
+							//quick 'n dirty software vertex skinning
+
+							//build matrix palette
+							LLMatrix4 mat[64];
+							for (U32 j = 0; j < model->mJointList.size(); ++j)
+							{
+								LLJoint* joint = avatar->getJoint(model->mJointList[j]);
+								if (joint)
+								{
+									mat[j] = model->mInvBindMatrix[j];
+									mat[j] *= joint->getWorldMatrix();
+								}
+							}
+
+							for (U32 j = 0; j < buffer->getRequestedVerts(); ++j)
+							{
+								LLMatrix4 final_mat;
+								final_mat.mMatrix[0][0] = final_mat.mMatrix[1][1] = final_mat.mMatrix[2][2] = final_mat.mMatrix[3][3] = 0.f;
+
+								LLVector4 wght;
+								S32 idx[4];
+
+								F32 scale = 0.f;
+								for (U32 k = 0; k < 4; k++)
+								{
+									F32 w = weight[j].mV[k];
+
+									idx[k] = (S32) floorf(w);
+									wght.mV[k] = w - floorf(w);
+									scale += wght.mV[k];
+								}
+
+								wght *= 1.f/scale;
+
+								for (U32 k = 0; k < 4; k++)
+								{
+									F32* src = (F32*) mat[idx[k]].mMatrix;
+									F32* dst = (F32*) final_mat.mMatrix;
+
+									F32 w = wght.mV[k];
+
+									for (U32 l = 0; l < 16; l++)
+									{
+										dst[l] += src[l]*w;
+									}
+								}
+
+								//VECTORIZE THIS
+								LLVector3 v(face.mPositions[j].getF32ptr());
+
+								v = v * model->mBindShapeMatrix;
+								v = v * final_mat;
+
+								position[j] = v;
+							}
+
+							buffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);
+							glColor4fv(instance.mMaterial[i].mDiffuseColor.mV);
+							gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+							buffer->draw(LLRender::TRIANGLES, buffer->getNumIndices(), 0);
+							glColor3f(0.4f, 0.4f, 0.4f);
+
+							if (edges)
+							{
+								glLineWidth(3.f);
+								glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+								buffer->draw(LLRender::TRIANGLES, buffer->getNumIndices(), 0);
+								glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+								glLineWidth(1.f);
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	gGL.popMatrix();
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// refresh()
+//-----------------------------------------------------------------------------
+void LLModelPreview::refresh()
+{
+	mNeedsUpdate = TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// rotate()
+//-----------------------------------------------------------------------------
+void LLModelPreview::rotate(F32 yaw_radians, F32 pitch_radians)
+{
+	mCameraYaw = mCameraYaw + yaw_radians;
+
+	mCameraPitch = llclamp(mCameraPitch + pitch_radians, F_PI_BY_TWO * -0.8f, F_PI_BY_TWO * 0.8f);
+}
+
+//-----------------------------------------------------------------------------
+// zoom()
+//-----------------------------------------------------------------------------
+void LLModelPreview::zoom(F32 zoom_amt)
+{
+	F32 new_zoom = mCameraZoom+zoom_amt;
+
+	mCameraZoom	= llclamp(new_zoom, 1.f, 10.f);
+}
+
+void LLModelPreview::pan(F32 right, F32 up)
+{
+	mCameraOffset.mV[VY] = llclamp(mCameraOffset.mV[VY] + right * mCameraDistance / mCameraZoom, -1.f, 1.f);
+	mCameraOffset.mV[VZ] = llclamp(mCameraOffset.mV[VZ] + up * mCameraDistance / mCameraZoom, -1.f, 1.f);
+}
+
+void LLModelPreview::setPreviewLOD(S32 lod)
+{
+	lod = llclamp(lod, 0, (S32) LLModel::LOD_HIGH);
+
+	if (lod != mPreviewLOD)
+	{
+		mPreviewLOD = 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]);
+
+		LLColor4 highlight_color = LLUIColorTable::instance().getColor("MeshImportTableHighlightColor");
+		LLColor4 normal_color = LLUIColorTable::instance().getColor("MeshImportTableNormalColor");
+
+		for (S32 i = 0; i <= LLModel::LOD_HIGH; ++i)
+		{
+			const LLColor4& color = (i == lod) ? highlight_color : normal_color;
+
+			mFMP->childSetColor(lod_status_name[i], color);
+			mFMP->childSetColor(lod_label_name[i], color);
+			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)
+{
+	assert_main_thread();
+
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) data;
+	mp->loadModel(mp->mModelPreview->mPreviewLOD);
+}
+
+//static
+void LLFloaterModelPreview::onUpload(void* user_data)
+{
+	assert_main_thread();
+
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;
+
+	mp->mModelPreview->rebuildUploadData();
+
+	gMeshRepo.uploadModel(mp->mModelPreview->mUploadData, mp->mModelPreview->mPreviewScale,
+						  mp->childGetValue("upload_textures").asBoolean(), mp->childGetValue("upload_skin"), mp->childGetValue("upload_joints"));
+
+	mp->closeFloater(false);
+}
+
+
+//static
+void LLFloaterModelPreview::onClearMaterials(void* user_data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;
+	mp->mModelPreview->clearMaterials();
+}
+
+//static
+void LLFloaterModelPreview::refresh(LLUICtrl* ctrl, void* user_data)
+{
+	sInstance->mModelPreview->mDirty = true;
+}
+
+void LLFloaterModelPreview::updateResourceCost()
+{
+	U32 cost = mModelPreview->mResourceCost;
+	childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d",cost));
+}
+
+//static
+void LLModelPreview::textureLoadedCallback( BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* src_aux, S32 discard_level, BOOL final, void* userdata )
+{
+	LLModelPreview* preview = (LLModelPreview*) userdata;
+	preview->refresh();
+}
+
+LLFloaterModelPreview::DecompRequest::DecompRequest(const std::string& stage, LLModel* mdl)
+{
+	mStage = stage;
+	mContinue = 1;
+	mModel = mdl;
+	mDecompID = &mdl->mDecompID;
+	mParams = sInstance->mDecompParams;
+
+	//copy out positions and indices
+	if (mdl)
+	{
+		U16 index_offset = 0;
+
+		mPositions.clear();
+		mIndices.clear();
+
+		//queue up vertex positions and indices
+		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+		{
+			const LLVolumeFace& face = mdl->getVolumeFace(i);
+			if (mPositions.size() + face.mNumVertices > 65535)
+			{
+				continue;
+			}
+
+			for (U32 j = 0; j < face.mNumVertices; ++j)
+			{
+				mPositions.push_back(LLVector3(face.mPositions[j].getF32ptr()));
+			}
+
+			for (U32 j = 0; j < face.mNumIndices; ++j)
+			{
+				mIndices.push_back(face.mIndices[j]+index_offset);
+			}
+
+			index_offset += face.mNumVertices;
+		}
+	}
+}
+
+void LLFloaterModelPreview::setStatusMessage(const std::string& msg)
+{
+	LLMutexLock lock(mStatusLock);
+	mStatusMessage = msg;
+}
+
+S32 LLFloaterModelPreview::DecompRequest::statusCallback(const char* status, S32 p1, S32 p2)
+{
+	setStatusMessage(llformat("%s: %d/%d", status, p1, p2));
+	if (LLFloaterModelPreview::sInstance)
+	{
+		LLFloaterModelPreview::sInstance->setStatusMessage(mStatusMessage);
+	}
+
+	return mContinue;
+}
+
+void LLFloaterModelPreview::DecompRequest::completed()
+{ //called from the main thread
+	mModel->setConvexHullDecomposition(mHull);
+
+	if (sInstance)
+	{
+		if (mContinue)
+		{
+			if (sInstance->mModelPreview)
+			{
+				sInstance->mModelPreview->mPhysicsMesh[mModel] = mHullMesh;
+				sInstance->mModelPreview->mDirty = true;
+				LLFloaterModelPreview::sInstance->mModelPreview->refresh();
+			}
+		}
+
+		sInstance->mCurRequest.erase(this);
+	}
+}
diff --git a/indra/newview/llfloatermodelpreview.h b/indra/newview/llfloatermodelpreview.h
index 11c2447da5..9dceb9c145 100644
--- a/indra/newview/llfloatermodelpreview.h
+++ b/indra/newview/llfloatermodelpreview.h
@@ -97,6 +97,7 @@ public:
 
 	virtual void run();
 	
+	void loadTextures() ; //called in the main thread.
 	void processElement(daeElement* element);
 	std::vector<LLImportMaterial> getMaterials(LLModel* model, domInstance_geometry* instance_geo);
 	LLImportMaterial profileToMaterial(domProfile_COMMON* material);
@@ -186,6 +187,7 @@ protected:
 	
 	static void onPhysicsParamCommit(LLUICtrl* ctrl, void* userdata);
 	static void onPhysicsStageExecute(LLUICtrl* ctrl, void* userdata);
+	static void onCancel(LLUICtrl* ctrl, void* userdata);
 	static void onPhysicsStageCancel(LLUICtrl* ctrl, void* userdata);
 	
 	static void onPhysicsBrowse(LLUICtrl* ctrl, void* userdata);
@@ -325,7 +327,7 @@ class LLModelPreview : public LLViewerDynamicTexture, public LLMutex
 	std::map<LLPointer<LLModel>, std::vector<LLPointer<LLVertexBuffer> > > mPhysicsMesh;
 
 	LLMeshUploadThread::instance_list mUploadData;
-	std::set<LLPointer<LLViewerFetchedTexture> > mTextureSet;
+	std::set<LLViewerFetchedTexture* > mTextureSet;
 
 	//map of vertex buffers to models (one vertex buffer in vector per face in model
 	std::map<LLModel*, std::vector<LLPointer<LLVertexBuffer> > > mVertexBuffer[LLModel::NUM_LODS+1];
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index dd2dcffc28..d2f76eceb0 100755
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -1450,17 +1450,21 @@ void LLMeshUploadThread::DecompRequest::completed()
 	mThread->mHullMap[mBaseModel] = mHull[0];
 }
 
-void LLMeshUploadThread::run()
+//called in the main thread.
+void LLMeshUploadThread::preStart()
 {
-	mCurlRequest = new LLCurlRequest();
-
 	//build map of LLModel refs to instances for callbacks
 	for (instance_list::iterator iter = mInstanceList.begin(); iter != mInstanceList.end(); ++iter)
 	{
 		mInstance[iter->mModel].push_back(*iter);
 	}
+}
+
+void LLMeshUploadThread::run()
+{
+	mCurlRequest = new LLCurlRequest();	
 
-	std::set<LLPointer<LLViewerTexture> > textures;
+	std::set<LLViewerTexture* > textures;
 
 	//populate upload queue with relevant models
 	for (instance_map::iterator iter = mInstance.begin(); iter != mInstance.end(); ++iter)
@@ -1483,9 +1487,9 @@ void LLMeshUploadThread::run()
 				material_iter != instance.mMaterial.end(); ++material_iter)
 			{
 
-				if (textures.find(material_iter->mDiffuseMap) == textures.end())
+				if (textures.find(material_iter->mDiffuseMap.get()) == textures.end())
 				{
-					textures.insert(material_iter->mDiffuseMap);
+					textures.insert(material_iter->mDiffuseMap.get());
 					
 					LLTextureUploadData data(material_iter->mDiffuseMap.get(), material_iter->mDiffuseMapLabel);
 					uploadTexture(data);
@@ -2148,6 +2152,7 @@ S32 LLMeshRepository::update()
 	for (S32 i = 0; i < size; ++i)
 	{
 		mUploads.push_back(mUploadWaitList[i]);
+		mUploadWaitList[i]->preStart() ;
 		mUploadWaitList[i]->start() ;
 	}
 	mUploadWaitList.clear() ;
diff --git a/indra/newview/llmeshrepository.h b/indra/newview/llmeshrepository.h
index 8c9892b28f..eccb82b661 100644
--- a/indra/newview/llmeshrepository.h
+++ b/indra/newview/llmeshrepository.h
@@ -431,6 +431,7 @@ public:
 
 	bool finished() { return mFinished; }
 	virtual void run();
+	void preStart();
 	
 };
 
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index cc54f21a7e..1b5800b8a5 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -222,7 +222,17 @@ static U8 sOcclusionIndices[] =
 		b000, b110, b100, b101, b001, b011, b010, b110,
 };
 
-U8* get_box_fan_indices(LLCamera* camera, const LLVector4a& center)
+U32 get_box_fan_indices(LLCamera* camera, const LLVector4a& center)
+{
+	LLVector4a origin;
+	origin.load3(camera->getOrigin().mV);
+
+	S32 cypher = center.greaterThan(origin).getGatheredBits() & 0x7;
+	
+	return cypher*8;
+}
+
+U8* get_box_fan_indices_ptr(LLCamera* camera, const LLVector4a& center)
 {
 	LLVector4a origin;
 	origin.load3(camera->getOrigin().mV);
@@ -231,12 +241,21 @@ U8* get_box_fan_indices(LLCamera* camera, const LLVector4a& center)
 	
 	return sOcclusionIndices+cypher*8;
 }
-						
+
+
 void LLSpatialGroup::buildOcclusion()
 {
-	if (!mOcclusionVerts)
+	if (mOcclusionVerts.isNull())
 	{
-		mOcclusionVerts = new LLVector4a[8];
+		mOcclusionVerts = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, GL_DYNAMIC_DRAW_ARB);
+		mOcclusionVerts->allocateBuffer(8, 64, true);
+	
+		LLStrider<U16> idx;
+		mOcclusionVerts->getIndexStrider(idx);
+		for (U32 i = 0; i < 64; i++)
+		{
+			*idx++ = sOcclusionIndices[i];
+		}
 	}
 
 	LLVector4a fudge;
@@ -251,7 +270,12 @@ void LLSpatialGroup::buildOcclusion()
 
 	r.setMin(r, r2);
 
-	LLVector4a* v = mOcclusionVerts;
+	LLStrider<LLVector3> pos;
+	
+	mOcclusionVerts->getVertexStrider(pos);
+
+	LLVector4a* v = (LLVector4a*) pos.get();
+
 	const LLVector4a& c = mBounds[0];
 	const LLVector4a& s = r;
 	
@@ -275,10 +299,13 @@ void LLSpatialGroup::buildOcclusion()
 	
 	for (S32 i = 0; i < 8; ++i)
 	{
-		v[i] = s;
-		v[i].mul(octant[i]);
-		v[i].add(c);
+		LLVector4a p;
+		p.setMul(s, octant[i]);
+		p.add(c);
+		v[i] = p;
 	}
+	
+	mOcclusionVerts->setBuffer(0);
 
 	clearState(LLSpatialGroup::OCCLUSION_DIRTY);
 }
@@ -339,7 +366,6 @@ LLSpatialGroup::~LLSpatialGroup()
 		sQueryPool.release(mOcclusionQuery[LLViewerCamera::sCurCameraID]);
 	}
 
-	delete [] mOcclusionVerts;
 	mOcclusionVerts = NULL;
 
 	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
@@ -881,12 +907,9 @@ void LLSpatialGroup::shift(const LLVector4a &offset)
 		gPipeline.markRebuild(this, TRUE);
 	}
 
-	if (mOcclusionVerts)
+	if (mOcclusionVerts.notNull())
 	{
-		for (U32 i = 0; i < 8; i++)
-		{
-			mOcclusionVerts[i].add(offset);
-		}
+		setState(OCCLUSION_DIRTY);
 	}
 }
 
@@ -1423,7 +1446,6 @@ void LLSpatialGroup::destroyGL()
 		}
 	}
 
-	delete [] mOcclusionVerts;
 	mOcclusionVerts = NULL;
 
 	for (LLSpatialGroup::element_iter i = getData().begin(); i != getData().end(); ++i)
@@ -1516,31 +1538,37 @@ void LLSpatialGroup::checkOcclusion()
 		}
 		else if (isOcclusionState(QUERY_PENDING))
 		{	//otherwise, if a query is pending, read it back
-			GLuint res = 1;
-			if (!isOcclusionState(DISCARD_QUERY) && mOcclusionQuery[LLViewerCamera::sCurCameraID])
-			{
-				glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_ARB, &res);	
-			}
 
-			if (isOcclusionState(DISCARD_QUERY))
-			{
-				res = 2;
-			}
+			GLuint available = 0;
+			glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_AVAILABLE_ARB, &available);
+			if (available)
+			{ //result is available, read it back, otherwise wait until next frame
+				GLuint res = 1;
+				if (!isOcclusionState(DISCARD_QUERY) && mOcclusionQuery[LLViewerCamera::sCurCameraID])
+				{
+					glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_ARB, &res);	
+				}
 
-			if (res > 0)
-			{
-				assert_states_valid(this);
-				clearOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF);
-				assert_states_valid(this);
-			}
-			else
-			{
-				assert_states_valid(this);
-				setOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF);
-				assert_states_valid(this);
-			}
+				if (isOcclusionState(DISCARD_QUERY))
+				{
+					res = 2;
+				}
 
-			clearOcclusionState(QUERY_PENDING | DISCARD_QUERY);
+				if (res > 0)
+				{
+					assert_states_valid(this);
+					clearOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF);
+					assert_states_valid(this);
+				}
+				else
+				{
+					assert_states_valid(this);
+					setOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF);
+					assert_states_valid(this);
+				}
+
+				clearOcclusionState(QUERY_PENDING | DISCARD_QUERY);
+			}
 		}
 		else if (mSpatialPartition->isOcclusionEnabled() && isOcclusionState(LLSpatialGroup::OCCLUDED))
 		{	//check occlusion has been issued for occluded node that has not had a query issued
@@ -1566,54 +1594,59 @@ void LLSpatialGroup::doOcclusion(LLCamera* camera)
 		}
 		else
 		{
+			if (!isOcclusionState(QUERY_PENDING) || isOcclusionState(DISCARD_QUERY))
 			{
-				LLFastTimer t(FTM_RENDER_OCCLUSION);
+				{ //no query pending, or previous query to be discarded
+					LLFastTimer t(FTM_RENDER_OCCLUSION);
 
-				if (!mOcclusionQuery[LLViewerCamera::sCurCameraID])
-				{
-					mOcclusionQuery[LLViewerCamera::sCurCameraID] = sQueryPool.allocate();
-				}
+					if (!mOcclusionQuery[LLViewerCamera::sCurCameraID])
+					{
+						mOcclusionQuery[LLViewerCamera::sCurCameraID] = sQueryPool.allocate();
+					}
 
-				if (!mOcclusionVerts || isState(LLSpatialGroup::OCCLUSION_DIRTY))
-				{
-					buildOcclusion();
-				}
-				
-				// Depth clamp all water to avoid it being culled as a result of being
-				// behind the far clip plane, and in the case of edge water to avoid
-				// it being culled while still visible.
-				bool const use_depth_clamp = gGLManager.mHasDepthClamp &&
-											(mSpatialPartition->mDrawableType == LLDrawPool::POOL_WATER ||
-											mSpatialPartition->mDrawableType == LLDrawPool::POOL_VOIDWATER);
-				if (use_depth_clamp)
-				{
-					glEnable(GL_DEPTH_CLAMP);
-				}
-				
-				glBeginQueryARB(GL_SAMPLES_PASSED_ARB, mOcclusionQuery[LLViewerCamera::sCurCameraID]);					
-				glVertexPointer(3, GL_FLOAT, 16, mOcclusionVerts);
-				if (camera->getOrigin().isExactlyZero())
-				{ //origin is invalid, draw entire box
-					glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8,
-												GL_UNSIGNED_BYTE, sOcclusionIndices);
-					glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8,
-							GL_UNSIGNED_BYTE, sOcclusionIndices+b111*8);
-				}
-				else
-				{
-					glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8,
-								GL_UNSIGNED_BYTE, get_box_fan_indices(camera, mBounds[0]));
-				}
-				glEndQueryARB(GL_SAMPLES_PASSED_ARB);
-				
-				if (use_depth_clamp)
-				{
-					glDisable(GL_DEPTH_CLAMP);
+					if (mOcclusionVerts.isNull() || isState(LLSpatialGroup::OCCLUSION_DIRTY))
+					{
+						buildOcclusion();
+					}
+					
+					// Depth clamp all water to avoid it being culled as a result of being
+					// behind the far clip plane, and in the case of edge water to avoid
+					// it being culled while still visible.
+					bool const use_depth_clamp = gGLManager.mHasDepthClamp &&
+												(mSpatialPartition->mDrawableType == LLDrawPool::POOL_WATER ||
+												mSpatialPartition->mDrawableType == LLDrawPool::POOL_VOIDWATER);
+					if (use_depth_clamp)
+					{
+						glEnable(GL_DEPTH_CLAMP);
+					}
+#if !LL_DARWIN					
+					U32 mode = gGLManager.mHasOcclusionQuery2 ? GL_ANY_SAMPLES_PASSED : GL_SAMPLES_PASSED_ARB;
+
+					glBeginQueryARB(mode, mOcclusionQuery[LLViewerCamera::sCurCameraID]);					
+					
+					mOcclusionVerts->setBuffer(LLVertexBuffer::MAP_VERTEX);
+
+					if (camera->getOrigin().isExactlyZero())
+					{ //origin is invalid, draw entire box
+						mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, 0);
+						mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, b111*8);				
+					}
+					else
+					{
+						mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, mBounds[0]));
+					}
+
+					glEndQueryARB(mode);
+#endif					
+					if (use_depth_clamp)
+					{
+						glDisable(GL_DEPTH_CLAMP);
+					}
 				}
-			}
 
-			setOcclusionState(LLSpatialGroup::QUERY_PENDING);
-			clearOcclusionState(LLSpatialGroup::DISCARD_QUERY);
+				setOcclusionState(LLSpatialGroup::QUERY_PENDING);
+				clearOcclusionState(LLSpatialGroup::DISCARD_QUERY);
+			}
 		}
 	}
 }
@@ -2607,17 +2640,17 @@ void renderVisibility(LLSpatialGroup* group, LLCamera* camera)
 			gGL.color4f(0.f, 0.75f, 0.f, 0.5f);
 			pushBufferVerts(group, LLVertexBuffer::MAP_VERTEX);
 		}
-		else if (camera && group->mOcclusionVerts)
+		else if (camera && group->mOcclusionVerts.notNull())
 		{
 			LLVertexBuffer::unbind();
-			glVertexPointer(3, GL_FLOAT, 16, group->mOcclusionVerts);
-
+			group->mOcclusionVerts->setBuffer(LLVertexBuffer::MAP_VERTEX);
+			
 			glColor4f(1.0f, 0.f, 0.f, 0.5f);
-			glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8, GL_UNSIGNED_BYTE, get_box_fan_indices(camera, group->mBounds[0]));
+			group->mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, group->mBounds[0]));
 			glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 			
 			glColor4f(1.0f, 1.f, 1.f, 1.0f);
-			glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8, GL_UNSIGNED_BYTE, get_box_fan_indices(camera, group->mBounds[0]));
+			group->mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, group->mBounds[0]));
 			glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
 		}
 	}
diff --git a/indra/newview/llspatialpartition.h b/indra/newview/llspatialpartition.h
index 16ec9f780b..85fd66b297 100644
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -59,7 +59,8 @@ S32 AABBSphereIntersectR2(const LLVector3& min, const LLVector3& max, const LLVe
 void pushVerts(LLFace* face, U32 mask);
 
 // get index buffer for binary encoded axis vertex buffer given a box at center being viewed by given camera
-U8* get_box_fan_indices(LLCamera* camera, const LLVector4a& center);
+U32 get_box_fan_indices(LLCamera* camera, const LLVector4a& center);
+U8* get_box_fan_indices_ptr(LLCamera* camera, const LLVector4a& center);
 
 class LLDrawInfo : public LLRefCount 
 {
@@ -393,7 +394,7 @@ public:
 	LLSpatialPartition* mSpatialPartition;
 	
 	LLPointer<LLVertexBuffer> mVertexBuffer;
-	LLVector4a*				mOcclusionVerts;
+	LLPointer<LLVertexBuffer> mOcclusionVerts;
 	GLuint					mOcclusionQuery[LLViewerCamera::NUM_CAMERAS];
 
 	U32 mBufferUsage;
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 10126219f8..b5eadb6d25 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -834,7 +834,7 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
 	for (entries_list_t::iterator iter3 = entries.begin();
 		 iter3 != entries.end(); )
 	{
-		LLPointer<LLViewerFetchedTexture> imagep = *iter3++;
+		LLViewerFetchedTexture* imagep = *iter3++;
 		
 		bool fetching = imagep->updateFetch();
 		if (fetching)
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 5e1f56ac97..24327bf535 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -4136,11 +4136,12 @@ void LLPipeline::renderDebug()
 					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);
 					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);
 					gGL.end();
-					}
-
+				}
 			}
 
-			/*for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			/*gGL.flush();
+			glLineWidth(16-i*2);
+			for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
 					iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
 			{
 				LLViewerRegion* region = *iter;
@@ -4155,7 +4156,9 @@ void LLPipeline::renderDebug()
 						}
 					}
 				}
-			}*/
+			}
+			gGL.flush();
+			glLineWidth(1.f);*/
 		}
 	}
 
@@ -7084,6 +7087,8 @@ void LLPipeline::renderDeferredLighting()
 
 			std::list<LLVector4> light_colors;
 
+			LLVertexBuffer::unbind();
+
 			F32 v[24];
 			glVertexPointer(3, GL_FLOAT, 0, v);
 			
@@ -7173,7 +7178,7 @@ void LLPipeline::renderDeferredLighting()
 							glTexCoord4f(tc.v[0], tc.v[1], tc.v[2], s*s);
 							glColor4f(col.mV[0], col.mV[1], col.mV[2], volume->getLightFalloff()*0.5f);
 							glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8,
-								GL_UNSIGNED_BYTE, get_box_fan_indices(camera, center));
+								GL_UNSIGNED_BYTE, get_box_fan_indices_ptr(camera, center));
 							stop_glerror();
 						}
 					}
@@ -7239,7 +7244,7 @@ void LLPipeline::renderDeferredLighting()
 					glTexCoord4f(tc.v[0], tc.v[1], tc.v[2], s*s);
 					glColor4f(col.mV[0], col.mV[1], col.mV[2], volume->getLightFalloff()*0.5f);
 					glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8,
-							GL_UNSIGNED_BYTE, get_box_fan_indices(camera, center));
+							GL_UNSIGNED_BYTE, get_box_fan_indices_ptr(camera, center));
 				}
 				gDeferredSpotLightProgram.disableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);
 				unbindDeferredShader(gDeferredSpotLightProgram);
@@ -7650,11 +7655,6 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 		LLCamera camera = camera_in;
 		camera.setFar(camera.getFar()*0.87654321f);
 		LLPipeline::sReflectionRender = TRUE;
-		S32 occlusion = LLPipeline::sUseOcclusion;
-
-		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
-
-		LLPipeline::sUseOcclusion = llmin(occlusion, 1);
 		
 		gPipeline.pushRenderTypeMask();
 
@@ -7693,19 +7693,20 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 			glClearColor(0,0,0,0);
 			mWaterRef.bindTarget();
+			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WATER0;
 			gGL.setColorMask(true, true);
 			mWaterRef.clear();
 			gGL.setColorMask(true, false);
 
 			mWaterRef.getViewport(gGLViewport);
-			
+
 			stop_glerror();
 
 			glPushMatrix();
 
 			mat.set_scale(glh::vec3f(1,1,-1));
 			mat.set_translate(glh::vec3f(0,0,height*2.f));
-			
+
 			glh::matrix4f current = glh_get_current_modelview();
 
 			mat = current * mat;
@@ -7725,22 +7726,24 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 			glCullFace(GL_FRONT);
 
 			static LLCullResult ref_result;
-		
+
 			if (LLDrawPoolWater::sNeedsDistortionUpdate)
 			{
 				//initial sky pass (no user clip plane)
 				{ //mask out everything but the sky
 					gPipeline.pushRenderTypeMask();
 					gPipeline.andRenderTypeMask(LLPipeline::RENDER_TYPE_SKY,
-												LLPipeline::RENDER_TYPE_WL_SKY,
-												LLPipeline::END_RENDER_TYPES);
+						LLPipeline::RENDER_TYPE_WL_SKY,
+						LLPipeline::END_RENDER_TYPES);
+
 					static LLCullResult result;
 					updateCull(camera, result);
 					stateSort(camera, result);
+
 					andRenderTypeMask(LLPipeline::RENDER_TYPE_SKY,
-										LLPipeline::RENDER_TYPE_CLOUDS,
-										LLPipeline::RENDER_TYPE_WL_SKY,
-										LLPipeline::END_RENDER_TYPES);
+						LLPipeline::RENDER_TYPE_CLOUDS,
+						LLPipeline::RENDER_TYPE_WL_SKY,
+						LLPipeline::END_RENDER_TYPES);
 
 					renderGeom(camera, TRUE);
 					gPipeline.popRenderTypeMask();
@@ -7749,23 +7752,23 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 				gPipeline.pushRenderTypeMask();
 
 				clearRenderTypeMask(LLPipeline::RENDER_TYPE_WATER,
-									LLPipeline::RENDER_TYPE_VOIDWATER,
-									LLPipeline::RENDER_TYPE_GROUND,
-									LLPipeline::RENDER_TYPE_SKY,
-									LLPipeline::RENDER_TYPE_CLOUDS,
-									LLPipeline::END_RENDER_TYPES);	
+					LLPipeline::RENDER_TYPE_VOIDWATER,
+					LLPipeline::RENDER_TYPE_GROUND,
+					LLPipeline::RENDER_TYPE_SKY,
+					LLPipeline::RENDER_TYPE_CLOUDS,
+					LLPipeline::END_RENDER_TYPES);	
 
-					S32 detail = gSavedSettings.getS32("RenderReflectionDetail");
+				S32 detail = gSavedSettings.getS32("RenderReflectionDetail");
 				if (detail > 0)
 				{ //mask out selected geometry based on reflection detail
 					if (detail < 4)
 					{
 						clearRenderTypeMask(LLPipeline::RENDER_TYPE_PARTICLES, END_RENDER_TYPES);
-					if (detail < 3)
-					{
-							clearRenderTypeMask(LLPipeline::RENDER_TYPE_AVATAR, END_RENDER_TYPES);
-						if (detail < 2)
+						if (detail < 3)
 						{
+							clearRenderTypeMask(LLPipeline::RENDER_TYPE_AVATAR, END_RENDER_TYPES);
+							if (detail < 2)
+							{
 								clearRenderTypeMask(LLPipeline::RENDER_TYPE_VOLUME, END_RENDER_TYPES);
 							}
 						}
@@ -7776,16 +7779,16 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 					updateCull(camera, ref_result, 1);
 					stateSort(camera, ref_result);
 				}	
-				
-			if (LLDrawPoolWater::sNeedsDistortionUpdate)
-			{
-					if (gSavedSettings.getS32("RenderReflectionDetail") > 0)
+
+				if (LLDrawPoolWater::sNeedsDistortionUpdate)
 				{
-					gPipeline.grabReferences(ref_result);
-					LLGLUserClipPlane clip_plane(plane, mat, projection);
-					renderGeom(camera);
-				}
-			}	
+					if (gSavedSettings.getS32("RenderReflectionDetail") > 0)
+					{
+						gPipeline.grabReferences(ref_result);
+						LLGLUserClipPlane clip_plane(plane, mat, projection);
+						renderGeom(camera);
+					}
+				}	
 
 				gPipeline.popRenderTypeMask();
 			}	
@@ -7823,6 +7826,7 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 			LLColor4& col = LLDrawPoolWater::sWaterFogColor;
 			glClearColor(col.mV[0], col.mV[1], col.mV[2], 0.f);
 			mWaterDis.bindTarget();
+			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WATER1;
 			mWaterDis.getViewport(gGLViewport);
 			
 			if (!LLPipeline::sUnderWaterRender || LLDrawPoolWater::sNeedsReflectionUpdate)
@@ -7861,7 +7865,6 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 		LLDrawPoolWater::sNeedsDistortionUpdate = FALSE;
 		LLPlane npnorm(-pnorm, -pd);
 		LLViewerCamera::getInstance()->setUserClipPlane(npnorm);
-		LLPipeline::sUseOcclusion = occlusion;
 		
 		LLGLState::checkStates();
 		LLGLState::checkTextureChannels();
@@ -7871,6 +7874,8 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 		{
 			gAgentAvatarp->updateAttachmentVisibility(gAgentCamera.getCameraMode());
 		}
+
+		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
 	}
 }
 
@@ -7993,6 +7998,8 @@ void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera
 	
 	//glCullFace(GL_FRONT);
 
+	LLVertexBuffer::unbind();
+
 	{
 		LLFastTimer ftm(FTM_SHADOW_SIMPLE);
 		LLGLDisable test(GL_ALPHA_TEST);
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 e34636db57..f23cb60121 100644
--- a/indra/newview/skins/default/xui/en/floater_model_preview.xml
+++ b/indra/newview/skins/default/xui/en/floater_model_preview.xml
@@ -169,12 +169,12 @@
         Queue Mode:
       </text>
       <combo_box follows="top|left" name="build_operator" top_pad="5" left="45" width="100" height="20">
-        <combo_item name="half_edge_collapse">
-          Half Edge Collapse
-        </combo_item>
         <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">
@@ -205,7 +205,7 @@
           Lock
         </combo_item>
       </combo_box>
-      <spinner follows="left|top" name="share_tolerance" left_pad="5" width="100" height="20"/>
+      <spinner follows="left|top" name="share_tolerance" left_pad="5" width="100" decimal_digits="5" initial_value="0.00001" height="20"/>
              
       <text left="10" top_pad="35" follows="top|left" width="240" height="15">
         Generate Normals
@@ -295,6 +295,7 @@
         <check_box name="Close Holes (Slow)" follows="top|left" top_pad="10" height="15" label="Close Holes (slow)"/>
                 
         <button left="200" bottom_delta="0" width="90" follows="top|left" label="Analyze" name="Decompose" height="20"/>
+        <button left="200" bottom_delta="0" width="90" follows="top|left" label="Cancel" name="decompose_cancel" visble="false" height="20"/>
       </panel>
       
 
@@ -324,6 +325,7 @@
         <slider name="Detail Scale" label="Detail Scale:" label_width="120" width="270" follows="top|left" top_pad="10" height="20"/>
         <slider name="Retain%" label="Retain:" label_width="120" width="270" follows="top|left" bottom_delta="0" left_delta="0" visible="false" height="20"/>
         <button left="190" width="90" follows="top|left" label="Simplify" name="Simplify" height="20"/>
+        <button left="190" bottom_delta="0" width="90" follows="top|left" label="Cancel" name="simplify_cancel" height="20"/>
         
       </panel>