7 files changed, 9945 insertions, 10054 deletions

diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 7a1ccb0cb4..f5e85aecda 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -49,7 +49,6 @@ U32 LLVertexBuffer::sSetCount = 0;
 S32 LLVertexBuffer::sCount = 0;
 S32 LLVertexBuffer::sGLCount = 0;
 S32 LLVertexBuffer::sMappedCount = 0;
-BOOL LLVertexBuffer::sDisableVBOMapping = FALSE ;
 BOOL LLVertexBuffer::sEnableVBOs = TRUE;
 U32 LLVertexBuffer::sGLRenderBuffer = 0;
 U32 LLVertexBuffer::sGLRenderIndices = 0;
@@ -298,7 +297,6 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi
 void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
 {
 	llassert(mRequestedNumIndices >= 0);
-
 	if (indices_offset >= (U32) mRequestedNumIndices ||
 	    indices_offset + count > (U32) mRequestedNumIndices)
 	{
@@ -330,7 +328,6 @@ void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
 void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
 {
 	llassert(mRequestedNumVerts >= 0);
-
 	if (first >= (U32) mRequestedNumVerts ||
 	    first + count > (U32) mRequestedNumVerts)
 	{
@@ -354,10 +351,9 @@ void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
 }
 
 //static
-void LLVertexBuffer::initClass(bool use_vbo, bool no_vbo_mapping)
+void LLVertexBuffer::initClass(bool use_vbo)
 {
 	sEnableVBOs = use_vbo;
-	sDisableVBOMapping = sEnableVBOs && no_vbo_mapping ;
 	LLGLNamePool::registerPool(&sDynamicVBOPool);
 	LLGLNamePool::registerPool(&sDynamicIBOPool);
 	LLGLNamePool::registerPool(&sStreamVBOPool);
@@ -501,8 +497,6 @@ LLVertexBuffer::~LLVertexBuffer()
 	destroyGLBuffer();
 	destroyGLIndices();
 	sCount--;
-
-	llassert_always(!mMappedData && !mMappedIndexData) ;
 };
 
 //----------------------------------------------------------------------------
@@ -651,8 +645,6 @@ void LLVertexBuffer::destroyGLBuffer()
 	{
 		if (useVBOs())
 		{
-			freeClientBuffer() ;
-
 			if (mMappedData || mMappedIndexData)
 			{
 				llerrs << "Vertex buffer destroyed while mapped!" << llendl;
@@ -680,13 +672,11 @@ void LLVertexBuffer::destroyGLIndices()
 	{
 		if (useVBOs())
 		{
-			freeClientBuffer() ;
-
 			if (mMappedData || mMappedIndexData)
 			{
 				llerrs << "Vertex buffer destroyed while mapped." << llendl;
 			}
-			releaseIndices();			
+			releaseIndices();
 		}
 		else
 		{
@@ -858,7 +848,6 @@ void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
 
 	if (mResized && useVBOs())
 	{
-		freeClientBuffer() ;
 		setBuffer(0);
 	}
 }
@@ -882,36 +871,6 @@ BOOL LLVertexBuffer::useVBOs() const
 }
 
 //----------------------------------------------------------------------------
-void LLVertexBuffer::freeClientBuffer()
-{
-	if(useVBOs() && sDisableVBOMapping && (mMappedData || mMappedIndexData))
-	{
-		delete[] mMappedData ;
-		delete[] mMappedIndexData ;
-		mMappedData = NULL ;
-		mMappedIndexData = NULL ;
-	}
-}
-
-void LLVertexBuffer::allocateClientVertexBuffer()
-{
-	if(!mMappedData)
-	{
-		U32 size = getSize() ;
-		mMappedData = new U8[size];
-		memset(mMappedData, 0, size);
-	}
-}
-
-void LLVertexBuffer::allocateClientIndexBuffer()
-{
-	if(!mMappedIndexData)
-	{
-		U32 size = getIndicesSize();
-		mMappedIndexData = new U8[size];
-		memset(mMappedIndexData, 0, size);
-	}
-}
 
 // Map for data access
 U8* LLVertexBuffer::mapBuffer(S32 access)
@@ -934,14 +893,10 @@ U8* LLVertexBuffer::mapBuffer(S32 access)
 			mLocked = TRUE;
 			stop_glerror();	
 
-			if(sDisableVBOMapping)
-			{
-				allocateClientVertexBuffer() ;
-			}
-			else
-			{
-				mMappedData = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
-			}
+			U8* src = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+			mMappedData = LL_NEXT_ALIGNED_ADDRESS<U8>(src);
+			mAlignedOffset = mMappedData - src;
+			
 			stop_glerror();
 		}
 		{
@@ -950,14 +905,6 @@ U8* LLVertexBuffer::mapBuffer(S32 access)
 			mMappedIndexData = LL_NEXT_ALIGNED_ADDRESS<U8>(src);
 			mAlignedIndexOffset = mMappedIndexData - src;
 
-			if(sDisableVBOMapping)
-			{
-				allocateClientIndexBuffer() ;
-			}
-			else
-			{
-				mMappedIndexData = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
-			}
 			stop_glerror();
 		}
 
@@ -971,51 +918,37 @@ U8* LLVertexBuffer::mapBuffer(S32 access)
 			llinfos << "Available physical mwmory(KB): " << avail_phy_mem << llendl ; 
 			llinfos << "Available virtual memory(KB): " << avail_vir_mem << llendl;
 
-			if(!sDisableVBOMapping)
-			{
-				//--------------------
-				//print out more debug info before crash
-				llinfos << "vertex buffer size: (num verts : num indices) = " << getNumVerts() << " : " << getNumIndices() << llendl ;
-				GLint size ;
-				glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size) ;
-				llinfos << "GL_ARRAY_BUFFER_ARB size is " << size << llendl ;
-				//--------------------
+			//--------------------
+			//print out more debug info before crash
+			llinfos << "vertex buffer size: (num verts : num indices) = " << getNumVerts() << " : " << getNumIndices() << llendl ;
+			GLint size ;
+			glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size) ;
+			llinfos << "GL_ARRAY_BUFFER_ARB size is " << size << llendl ;
+			//--------------------
 
-				GLint buff;
-				glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
-				if ((GLuint)buff != mGLBuffer)
-				{
-					llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
-				}
-
-				
-				llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
-			}
-			else
+			GLint buff;
+			glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
+			if ((GLuint)buff != mGLBuffer)
 			{
-				llerrs << "memory allocation for vertex data failed." << llendl ;
+				llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
 			}
+
+			
+			llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
 		}
 
 		if (!mMappedIndexData)
 		{
 			log_glerror();
 
-			if(!sDisableVBOMapping)
-			{
-				GLint buff;
-				glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
-				if ((GLuint)buff != mGLIndices)
-				{
-					llerrs << "Invalid GL index buffer bound: " << buff << llendl;
-				}
-
-				llerrs << "glMapBuffer returned NULL (no index data)" << llendl;
-			}
-			else
+			GLint buff;
+			glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
+			if ((GLuint)buff != mGLIndices)
 			{
-				llerrs << "memory allocation for Index data failed. " << llendl ;
+				llerrs << "Invalid GL index buffer bound: " << buff << llendl;
 			}
+
+			llerrs << "glMapBuffer returned NULL (no index data)" << llendl;
 		}
 
 		sMappedCount++;
@@ -1031,29 +964,11 @@ void LLVertexBuffer::unmapBuffer()
 	{
 		if (useVBOs() && mLocked)
 		{
-			if(sDisableVBOMapping)
-			{
-				if(mMappedData)
-				{
-					stop_glerror();
-					glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, getSize(), mMappedData);
-					stop_glerror();
-				}
-				if(mMappedIndexData)
-				{
-					stop_glerror();
-					glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, getIndicesSize(), mMappedIndexData);
-					stop_glerror();
-				}
-			}
-			else
-			{
-				stop_glerror();
-				glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
-				stop_glerror();
-				glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
-				stop_glerror();
-			}
+			stop_glerror();
+			glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
+			stop_glerror();
+			glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
+			stop_glerror();
 
 			/*if (!sMapped)
 			{
@@ -1067,22 +982,15 @@ void LLVertexBuffer::unmapBuffer()
 				//throw out client data (we won't be using it again)
 				mEmpty = TRUE;
 				mFinal = TRUE;
-
-				if(sDisableVBOMapping)
-				{
-					freeClientBuffer() ;
-				}
 			}
 			else
 			{
 				mEmpty = FALSE;
 			}
 
-			if(!sDisableVBOMapping)
-			{
-				mMappedIndexData = NULL;
-				mMappedData = NULL;
-			}
+			mMappedIndexData = NULL;
+			mMappedData = NULL;
+			
 			mLocked = FALSE;
 		}
 	}
diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h
index fb81720c86..77c9da2d6c 100644
--- a/indra/llrender/llvertexbuffer.h
+++ b/indra/llrender/llvertexbuffer.h
@@ -1,286 +1,281 @@
-/** 

- * @file llvertexbuffer.h

- * @brief LLVertexBuffer wrapper for OpengGL vertex buffer objects

- *

- * $LicenseInfo:firstyear=2003&license=viewerlgpl$

- * 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

- * $/LicenseInfo$

- */

-

-#ifndef LL_LLVERTEXBUFFER_H

-#define LL_LLVERTEXBUFFER_H

-

-#include "llgl.h"

-#include "v2math.h"

-#include "v3math.h"

-#include "v4math.h"

-#include "v4coloru.h"

-#include "llstrider.h"

-#include "llrender.h"

-#include <set>

-#include <vector>

-#include <list>

-

-//============================================================================

-// NOTES

-// Threading:

-//  All constructors should take an 'create' paramater which should only be

-//  'true' when called from the main thread. Otherwise createGLBuffer() will

-//  be called as soon as getVertexPointer(), etc is called (which MUST ONLY be

-//  called from the main (i.e OpenGL) thread)

-

-

-//============================================================================

-// gl name pools for dynamic and streaming buffers

-

-class LLVBOPool : public LLGLNamePool

-{

-protected:

-	virtual GLuint allocateName()

-	{

-		GLuint name;

-		glGenBuffersARB(1, &name);

-		return name;

-	}

-

-	virtual void releaseName(GLuint name)

-	{

-		glDeleteBuffersARB(1, &name);

-	}

-};

-

-

-//============================================================================

-// base class 

-

-class LLVertexBuffer : public LLRefCount

-{

-public:

-	LLVertexBuffer(const LLVertexBuffer& rhs)

-	{

-		*this = rhs;

-	}

-

-	const LLVertexBuffer& operator=(const LLVertexBuffer& rhs)

-	{

-		llerrs << "Illegal operation!" << llendl;

-		return *this;

-	}

-

-	static LLVBOPool sStreamVBOPool;

-	static LLVBOPool sDynamicVBOPool;

-	static LLVBOPool sStreamIBOPool;

-	static LLVBOPool sDynamicIBOPool;

-

-	static S32	sWeight4Loc;

-

-	static BOOL	sUseStreamDraw;

-	static BOOL	sPreferStreamDraw;

-

-	static void initClass(bool use_vbo, bool no_vbo_mapping);

-	static void cleanupClass();

-	static void setupClientArrays(U32 data_mask);

- 	static void clientCopy(F64 max_time = 0.005); //copy data from client to GL

-	static void unbind(); //unbind any bound vertex buffer

-

-	//get the size of a vertex with the given typemask

-	static S32 calcVertexSize(const U32& typemask);

-

-	//get the size of a buffer with the given typemask and vertex count

-	//fill offsets with the offset of each vertex component array into the buffer

-	// indexed by the following enum

-	static S32 calcOffsets(const U32& typemask, S32* offsets, S32 num_vertices);		

-

-	

-	enum {

-		TYPE_VERTEX,

-		TYPE_NORMAL,

-		TYPE_TEXCOORD0,

-		TYPE_TEXCOORD1,

-		TYPE_TEXCOORD2,

-		TYPE_TEXCOORD3,

-		TYPE_COLOR,

-		// These use VertexAttribPointer and should possibly be made generic

-		TYPE_BINORMAL,

-		TYPE_WEIGHT,

-		TYPE_WEIGHT4,

-		TYPE_CLOTHWEIGHT,

-		TYPE_MAX,

-		TYPE_INDEX,

-	};

-	enum {

-		MAP_VERTEX = (1<<TYPE_VERTEX),

-		MAP_NORMAL = (1<<TYPE_NORMAL),

-		MAP_TEXCOORD0 = (1<<TYPE_TEXCOORD0),

-		MAP_TEXCOORD1 = (1<<TYPE_TEXCOORD1),

-		MAP_TEXCOORD2 = (1<<TYPE_TEXCOORD2),

-		MAP_TEXCOORD3 = (1<<TYPE_TEXCOORD3),

-		MAP_COLOR = (1<<TYPE_COLOR),

-		// These use VertexAttribPointer and should possibly be made generic

-		MAP_BINORMAL = (1<<TYPE_BINORMAL),

-		MAP_WEIGHT = (1<<TYPE_WEIGHT),

-		MAP_WEIGHT4 = (1<<TYPE_WEIGHT4),

-		MAP_CLOTHWEIGHT = (1<<TYPE_CLOTHWEIGHT),

-	};

-	

-protected:

-	friend class LLRender;

-

-	virtual ~LLVertexBuffer(); // use unref()

-

-	virtual void setupVertexBuffer(U32 data_mask) const; // pure virtual, called from mapBuffer()

-	

-	void	genBuffer();

-	void	genIndices();

-	void	releaseBuffer();

-	void	releaseIndices();

-	void	createGLBuffer();

-	void	createGLIndices();

-	void 	destroyGLBuffer();

-	void 	destroyGLIndices();

-	void	updateNumVerts(S32 nverts);

-	void	updateNumIndices(S32 nindices); 

-	virtual BOOL	useVBOs() const;

-	void	unmapBuffer();

-		

-public:

-	LLVertexBuffer(U32 typemask, S32 usage);

-	

-	// map for data access

-	U8*		mapBuffer(S32 access = -1);

-	// set for rendering

-	virtual void	setBuffer(U32 data_mask); 	// calls  setupVertexBuffer() if data_mask is not 0

-	// allocate buffer

-	void	allocateBuffer(S32 nverts, S32 nindices, bool create);

-	virtual void resizeBuffer(S32 newnverts, S32 newnindices);

-		

-	void freeClientBuffer() ;

-	void allocateClientVertexBuffer() ;

-	void allocateClientIndexBuffer() ;

-	

-	// Only call each getVertexPointer, etc, once before calling unmapBuffer()

-	// call unmapBuffer() after calls to getXXXStrider() before any cals to setBuffer()

-	// example:

-	//   vb->getVertexBuffer(verts);

-	//   vb->getNormalStrider(norms);

-	//   setVertsNorms(verts, norms);

-	//   vb->unmapBuffer();

-	bool getVertexStrider(LLStrider<LLVector3>& strider, S32 index=0);

-	bool getIndexStrider(LLStrider<U16>& strider, S32 index=0);

-	bool getTexCoord0Strider(LLStrider<LLVector2>& strider, S32 index=0);

-	bool getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index=0);

-	bool getNormalStrider(LLStrider<LLVector3>& strider, S32 index=0);

-	bool getBinormalStrider(LLStrider<LLVector3>& strider, S32 index=0);

-	bool getColorStrider(LLStrider<LLColor4U>& strider, S32 index=0);

-	bool getWeightStrider(LLStrider<F32>& strider, S32 index=0);

-	bool getWeight4Strider(LLStrider<LLVector4>& strider, S32 index=0);

-	bool getClothWeightStrider(LLStrider<LLVector4>& strider, S32 index=0);

-	

-	BOOL isEmpty() const					{ return mEmpty; }

-	BOOL isLocked() const					{ return mLocked; }

-	S32 getNumVerts() const					{ return mNumVerts; }

-	S32 getNumIndices() const				{ return mNumIndices; }

-	S32 getRequestedVerts() const			{ return mRequestedNumVerts; }

-	S32 getRequestedIndices() const			{ return mRequestedNumIndices; }

-

-	U8* getIndicesPointer() const			{ return useVBOs() ? (U8*) mAlignedIndexOffset : mMappedIndexData; }

-	U8* getVerticesPointer() const			{ return useVBOs() ? (U8*) mAlignedOffset : mMappedData; }

-	U32 getTypeMask() const					{ return mTypeMask; }

-	bool hasDataType(S32 type) const		{ return ((1 << type) & getTypeMask()); }

-	S32 getSize() const;

-	S32 getIndicesSize() const				{ return mNumIndices * sizeof(U16); }

-	U8* getMappedData() const				{ return mMappedData; }

-	U8* getMappedIndices() const			{ return mMappedIndexData; }

-	S32 getOffset(S32 type) const			{ return mOffsets[type]; }

-	S32 getUsage() const					{ return mUsage; }

-

-	void markDirty(U32 vert_index, U32 vert_count, U32 indices_index, U32 indices_count);

-

-	void draw(U32 mode, U32 count, U32 indices_offset) const;

-	void drawArrays(U32 mode, U32 offset, U32 count) const;

-	void drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const;

-

-	//for debugging, validate data in given range is valid

-	void validateRange(U32 start, U32 end, U32 count, U32 offset) const;

-

-	

-

-protected:	

-	S32		mNumVerts;		// Number of vertices allocated

-	S32		mNumIndices;	// Number of indices allocated

-	S32		mRequestedNumVerts;  // Number of vertices requested

-	S32		mRequestedNumIndices;  // Number of indices requested

-

-	ptrdiff_t mAlignedOffset;

-	ptrdiff_t mAlignedIndexOffset;

-	S32		mSize;

-	U32		mTypeMask;

-	S32		mUsage;			// GL usage

-	U32		mGLBuffer;		// GL VBO handle

-	U32		mGLIndices;		// GL IBO handle

-	U8*		mMappedData;	// pointer to currently mapped data (NULL if unmapped)

-	U8*		mMappedIndexData;	// pointer to currently mapped indices (NULL if unmapped)

-	BOOL	mLocked;			// if TRUE, buffer is being or has been written to in client memory

-	BOOL	mFinal;			// if TRUE, buffer can not be mapped again

-	BOOL	mFilthy;		// if TRUE, entire buffer must be copied (used to prevent redundant dirty flags)

-	BOOL	mEmpty;			// if TRUE, client buffer is empty (or NULL). Old values have been discarded.

-	S32		mOffsets[TYPE_MAX];

-	BOOL	mResized;		// if TRUE, client buffer has been resized and GL buffer has not

-	BOOL	mDynamicSize;	// if TRUE, buffer has been resized at least once (and should be padded)

-	

-	class DirtyRegion

-	{

-	public:

-		U32 mIndex;

-		U32 mCount;

-		U32 mIndicesIndex;

-		U32 mIndicesCount;

-

-		DirtyRegion(U32 vi, U32 vc, U32 ii, U32 ic)

-			: mIndex(vi), mCount(vc), mIndicesIndex(ii), mIndicesCount(ic)

-		{ }	

-	};

-

-	std::vector<DirtyRegion> mDirtyRegions; //vector of dirty regions to rebuild

-

-public:

-	static S32 sCount;

-	static S32 sGLCount;

-	static S32 sMappedCount;

-	static BOOL sMapped;

-	static std::vector<U32> sDeleteList;

-	typedef std::list<LLVertexBuffer*> buffer_list_t;

-		

-	static BOOL sDisableVBOMapping; //disable glMapBufferARB

-	static BOOL sEnableVBOs;

-	static S32 sTypeSize[TYPE_MAX];

-	static BOOL sVBOActive;

-	static BOOL sIBOActive;

-	static U32 sGLMode[LLRender::NUM_MODES];

-	static U32 sGLRenderBuffer;

-	static U32 sGLRenderIndices;	

-	static U32 sLastMask;

-	static U32 sAllocatedBytes;

-	static U32 sBindCount;

-	static U32 sSetCount;

-};

-

-

-#endif // LL_LLVERTEXBUFFER_H

+/** 
+ * @file llvertexbuffer.h
+ * @brief LLVertexBuffer wrapper for OpengGL vertex buffer objects
+ *
+ * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLVERTEXBUFFER_H
+#define LL_LLVERTEXBUFFER_H
+
+#include "llgl.h"
+#include "v2math.h"
+#include "v3math.h"
+#include "v4math.h"
+#include "v4coloru.h"
+#include "llstrider.h"
+#include "llrender.h"
+#include <set>
+#include <vector>
+#include <list>
+
+//============================================================================
+// NOTES
+// Threading:
+//  All constructors should take an 'create' paramater which should only be
+//  'true' when called from the main thread. Otherwise createGLBuffer() will
+//  be called as soon as getVertexPointer(), etc is called (which MUST ONLY be
+//  called from the main (i.e OpenGL) thread)
+
+
+//============================================================================
+// gl name pools for dynamic and streaming buffers
+
+class LLVBOPool : public LLGLNamePool
+{
+protected:
+	virtual GLuint allocateName()
+	{
+		GLuint name;
+		glGenBuffersARB(1, &name);
+		return name;
+	}
+
+	virtual void releaseName(GLuint name)
+	{
+		glDeleteBuffersARB(1, &name);
+	}
+};
+
+
+//============================================================================
+// base class 
+
+class LLVertexBuffer : public LLRefCount
+{
+public:
+	LLVertexBuffer(const LLVertexBuffer& rhs)
+	{
+		*this = rhs;
+	}
+
+	const LLVertexBuffer& operator=(const LLVertexBuffer& rhs)
+	{
+		llerrs << "Illegal operation!" << llendl;
+		return *this;
+	}
+
+	static LLVBOPool sStreamVBOPool;
+	static LLVBOPool sDynamicVBOPool;
+	static LLVBOPool sStreamIBOPool;
+	static LLVBOPool sDynamicIBOPool;
+
+	static S32	sWeight4Loc;
+
+	static BOOL	sUseStreamDraw;
+	static BOOL	sPreferStreamDraw;
+
+	static void initClass(bool use_vbo);
+	static void cleanupClass();
+	static void setupClientArrays(U32 data_mask);
+ 	static void clientCopy(F64 max_time = 0.005); //copy data from client to GL
+	static void unbind(); //unbind any bound vertex buffer
+
+	//get the size of a vertex with the given typemask
+	static S32 calcVertexSize(const U32& typemask);
+
+	//get the size of a buffer with the given typemask and vertex count
+	//fill offsets with the offset of each vertex component array into the buffer
+	// indexed by the following enum
+	static S32 calcOffsets(const U32& typemask, S32* offsets, S32 num_vertices);		
+
+	
+	enum {
+		TYPE_VERTEX,
+		TYPE_NORMAL,
+		TYPE_TEXCOORD0,
+		TYPE_TEXCOORD1,
+		TYPE_TEXCOORD2,
+		TYPE_TEXCOORD3,
+		TYPE_COLOR,
+		// These use VertexAttribPointer and should possibly be made generic
+		TYPE_BINORMAL,
+		TYPE_WEIGHT,
+		TYPE_WEIGHT4,
+		TYPE_CLOTHWEIGHT,
+		TYPE_MAX,
+		TYPE_INDEX,
+	};
+	enum {
+		MAP_VERTEX = (1<<TYPE_VERTEX),
+		MAP_NORMAL = (1<<TYPE_NORMAL),
+		MAP_TEXCOORD0 = (1<<TYPE_TEXCOORD0),
+		MAP_TEXCOORD1 = (1<<TYPE_TEXCOORD1),
+		MAP_TEXCOORD2 = (1<<TYPE_TEXCOORD2),
+		MAP_TEXCOORD3 = (1<<TYPE_TEXCOORD3),
+		MAP_COLOR = (1<<TYPE_COLOR),
+		// These use VertexAttribPointer and should possibly be made generic
+		MAP_BINORMAL = (1<<TYPE_BINORMAL),
+		MAP_WEIGHT = (1<<TYPE_WEIGHT),
+		MAP_WEIGHT4 = (1<<TYPE_WEIGHT4),
+		MAP_CLOTHWEIGHT = (1<<TYPE_CLOTHWEIGHT),
+	};
+	
+protected:
+	friend class LLRender;
+
+	virtual ~LLVertexBuffer(); // use unref()
+
+	virtual void setupVertexBuffer(U32 data_mask) const; // pure virtual, called from mapBuffer()
+	
+	void	genBuffer();
+	void	genIndices();
+	void	releaseBuffer();
+	void	releaseIndices();
+	void	createGLBuffer();
+	void	createGLIndices();
+	void 	destroyGLBuffer();
+	void 	destroyGLIndices();
+	void	updateNumVerts(S32 nverts);
+	void	updateNumIndices(S32 nindices); 
+	virtual BOOL	useVBOs() const;
+	void	unmapBuffer();
+		
+public:
+	LLVertexBuffer(U32 typemask, S32 usage);
+	
+	// map for data access
+	U8*		mapBuffer(S32 access = -1);
+	// set for rendering
+	virtual void	setBuffer(U32 data_mask); 	// calls  setupVertexBuffer() if data_mask is not 0
+	// allocate buffer
+	void	allocateBuffer(S32 nverts, S32 nindices, bool create);
+	virtual void resizeBuffer(S32 newnverts, S32 newnindices);
+		
+	// Only call each getVertexPointer, etc, once before calling unmapBuffer()
+	// call unmapBuffer() after calls to getXXXStrider() before any cals to setBuffer()
+	// example:
+	//   vb->getVertexBuffer(verts);
+	//   vb->getNormalStrider(norms);
+	//   setVertsNorms(verts, norms);
+	//   vb->unmapBuffer();
+	bool getVertexStrider(LLStrider<LLVector3>& strider, S32 index=0);
+	bool getIndexStrider(LLStrider<U16>& strider, S32 index=0);
+	bool getTexCoord0Strider(LLStrider<LLVector2>& strider, S32 index=0);
+	bool getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index=0);
+	bool getNormalStrider(LLStrider<LLVector3>& strider, S32 index=0);
+	bool getBinormalStrider(LLStrider<LLVector3>& strider, S32 index=0);
+	bool getColorStrider(LLStrider<LLColor4U>& strider, S32 index=0);
+	bool getWeightStrider(LLStrider<F32>& strider, S32 index=0);
+	bool getWeight4Strider(LLStrider<LLVector4>& strider, S32 index=0);
+	bool getClothWeightStrider(LLStrider<LLVector4>& strider, S32 index=0);
+	
+	BOOL isEmpty() const					{ return mEmpty; }
+	BOOL isLocked() const					{ return mLocked; }
+	S32 getNumVerts() const					{ return mNumVerts; }
+	S32 getNumIndices() const				{ return mNumIndices; }
+	S32 getRequestedVerts() const			{ return mRequestedNumVerts; }
+	S32 getRequestedIndices() const			{ return mRequestedNumIndices; }
+
+	U8* getIndicesPointer() const			{ return useVBOs() ? (U8*) mAlignedIndexOffset : mMappedIndexData; }
+	U8* getVerticesPointer() const			{ return useVBOs() ? (U8*) mAlignedOffset : mMappedData; }
+	U32 getTypeMask() const					{ return mTypeMask; }
+	bool hasDataType(S32 type) const		{ return ((1 << type) & getTypeMask()); }
+	S32 getSize() const;
+	S32 getIndicesSize() const				{ return mNumIndices * sizeof(U16); }
+	U8* getMappedData() const				{ return mMappedData; }
+	U8* getMappedIndices() const			{ return mMappedIndexData; }
+	S32 getOffset(S32 type) const			{ return mOffsets[type]; }
+	S32 getUsage() const					{ return mUsage; }
+
+	void markDirty(U32 vert_index, U32 vert_count, U32 indices_index, U32 indices_count);
+
+	void draw(U32 mode, U32 count, U32 indices_offset) const;
+	void drawArrays(U32 mode, U32 offset, U32 count) const;
+	void drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const;
+
+	//for debugging, validate data in given range is valid
+	void validateRange(U32 start, U32 end, U32 count, U32 offset) const;
+
+	
+
+protected:	
+	S32		mNumVerts;		// Number of vertices allocated
+	S32		mNumIndices;	// Number of indices allocated
+	S32		mRequestedNumVerts;  // Number of vertices requested
+	S32		mRequestedNumIndices;  // Number of indices requested
+
+	ptrdiff_t mAlignedOffset;
+	ptrdiff_t mAlignedIndexOffset;
+	S32		mSize;
+	U32		mTypeMask;
+	S32		mUsage;			// GL usage
+	U32		mGLBuffer;		// GL VBO handle
+	U32		mGLIndices;		// GL IBO handle
+	U8*		mMappedData;	// pointer to currently mapped data (NULL if unmapped)
+	U8*		mMappedIndexData;	// pointer to currently mapped indices (NULL if unmapped)
+	BOOL	mLocked;			// if TRUE, buffer is being or has been written to in client memory
+	BOOL	mFinal;			// if TRUE, buffer can not be mapped again
+	BOOL	mFilthy;		// if TRUE, entire buffer must be copied (used to prevent redundant dirty flags)
+	BOOL	mEmpty;			// if TRUE, client buffer is empty (or NULL). Old values have been discarded.
+	S32		mOffsets[TYPE_MAX];
+	BOOL	mResized;		// if TRUE, client buffer has been resized and GL buffer has not
+	BOOL	mDynamicSize;	// if TRUE, buffer has been resized at least once (and should be padded)
+	
+	class DirtyRegion
+	{
+	public:
+		U32 mIndex;
+		U32 mCount;
+		U32 mIndicesIndex;
+		U32 mIndicesCount;
+
+		DirtyRegion(U32 vi, U32 vc, U32 ii, U32 ic)
+			: mIndex(vi), mCount(vc), mIndicesIndex(ii), mIndicesCount(ic)
+		{ }	
+	};
+
+	std::vector<DirtyRegion> mDirtyRegions; //vector of dirty regions to rebuild
+
+public:
+	static S32 sCount;
+	static S32 sGLCount;
+	static S32 sMappedCount;
+	static BOOL sMapped;
+	static std::vector<U32> sDeleteList;
+	typedef std::list<LLVertexBuffer*> buffer_list_t;
+		
+	static BOOL sEnableVBOs;
+	static S32 sTypeSize[TYPE_MAX];
+	static U32 sGLMode[LLRender::NUM_MODES];
+	static U32 sGLRenderBuffer;
+	static U32 sGLRenderIndices;
+	static BOOL sVBOActive;
+	static BOOL sIBOActive;
+	static U32 sLastMask;
+	static U32 sAllocatedBytes;
+	static U32 sBindCount;
+	static U32 sSetCount;
+};
+
+
+#endif // LL_LLVERTEXBUFFER_H
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 71a611ba90..ec6b942e3e 100755
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -8799,17 +8799,6 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
-    <key>RenderVBOMappingDisable</key>
-    <map>
-      <key>Comment</key>
-      <string>Disable VBO glMapBufferARB</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>1</integer>
-    </map>
   <key>RenderUseStreamVBO</key>
   <map>
     <key>Comment</key>
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index 075f32be24..46aa44b2bb 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -339,15 +339,6 @@ static bool handleNumpadControlChanged(const LLSD& newvalue)
 	return true;
 }
 
-static bool handleRenderUseVBOMappingChanged(const LLSD& newvalue)
-{
-	if (gPipeline.isInit())
-	{
-		gPipeline.setDisableVBOMapping(newvalue.asBoolean());
-	}
-	return true;
-}
-
 static bool handleWLSkyDetailChanged(const LLSD&)
 {
 	if (gSky.mVOWLSkyp.notNull())
@@ -637,7 +628,6 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("MuteAmbient")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _2));
 	gSavedSettings.getControl("MuteUI")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _2));
 	gSavedSettings.getControl("RenderVBOEnable")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
-	gSavedSettings.getControl("RenderVBOMappingDisable")->getSignal()->connect(boost::bind(&handleRenderUseVBOMappingChanged, _2));
 	gSavedSettings.getControl("RenderUseStreamVBO")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("RenderPreferStreamDraw")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("WLSkyDetail")->getSignal()->connect(boost::bind(&handleWLSkyDetailChanged, _2));
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 94fb0b7d31..d5008c12b0 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -1552,7 +1552,7 @@ LLViewerWindow::LLViewerWindow(
 	{
 		gSavedSettings.setBOOL("RenderVBOEnable", FALSE);
 	}
-	LLVertexBuffer::initClass(gSavedSettings.getBOOL("RenderVBOEnable"), gSavedSettings.getBOOL("RenderVBOMappingDisable"));
+	LLVertexBuffer::initClass(gSavedSettings.getBOOL("RenderVBOEnable"));
 
 	if (LLFeatureManager::getInstance()->isSafe()
 		|| (gSavedSettings.getS32("LastFeatureVersion") != LLFeatureManager::getInstance()->getVersion())
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 998fa88925..a8e36df294 100755
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -1,9619 +1,9629 @@
-/** 

- * @file pipeline.cpp

- * @brief Rendering pipeline.

- *

- * $LicenseInfo:firstyear=2005&license=viewerlgpl$

- * 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 "pipeline.h"

-

-// library includes

-#include "llaudioengine.h" // For debugging.

-#include "imageids.h"

-#include "llerror.h"

-#include "llviewercontrol.h"

-#include "llfasttimer.h"

-#include "llfontgl.h"

-#include "llmemtype.h"

-#include "llnamevalue.h"

-#include "llpointer.h"

-#include "llprimitive.h"

-#include "llvolume.h"

-#include "material_codes.h"

-#include "timing.h"

-#include "v3color.h"

-#include "llui.h" 

-#include "llglheaders.h"

-#include "llrender.h"

-#include "llwindow.h"	// swapBuffers()

-

-// newview includes

-#include "llagent.h"

-#include "llagentcamera.h"

-#include "lldrawable.h"

-#include "lldrawpoolalpha.h"

-#include "lldrawpoolavatar.h"

-#include "lldrawpoolground.h"

-#include "lldrawpoolbump.h"

-#include "lldrawpooltree.h"

-#include "lldrawpoolwater.h"

-#include "llface.h"

-#include "llfeaturemanager.h"

-#include "llfloatertelehub.h"

-#include "llfloaterreg.h"

-#include "llgldbg.h"

-#include "llhudmanager.h"

-#include "llhudnametag.h"

-#include "llhudtext.h"

-#include "lllightconstants.h"

-#include "llmeshrepository.h"

-#include "llresmgr.h"

-#include "llselectmgr.h"

-#include "llsky.h"

-#include "lltracker.h"

-#include "lltool.h"

-#include "lltoolmgr.h"

-#include "llviewercamera.h"

-#include "llviewertexturelist.h"

-#include "llviewerobject.h"

-#include "llviewerobjectlist.h"

-#include "llviewerparcelmgr.h"

-#include "llviewerregion.h" // for audio debugging.

-#include "llviewerwindow.h" // For getSpinAxis

-#include "llvoavatarself.h"

-#include "llvoground.h"

-#include "llvosky.h"

-#include "llvotree.h"

-#include "llvovolume.h"

-#include "llvosurfacepatch.h"

-#include "llvowater.h"

-#include "llvotree.h"

-#include "llvopartgroup.h"

-#include "llworld.h"

-#include "llcubemap.h"

-#include "llviewershadermgr.h"

-#include "llviewerstats.h"

-#include "llviewerjoystick.h"

-#include "llviewerdisplay.h"

-#include "llwlparammanager.h"

-#include "llwaterparammanager.h"

-#include "llspatialpartition.h"

-#include "llmutelist.h"

-#include "lltoolpie.h"

-#include "llcurl.h"

-

-

-void check_stack_depth(S32 stack_depth)

-{

-	if (gDebugGL || gDebugSession)

-	{

-		GLint depth;

-		glGetIntegerv(GL_MODELVIEW_STACK_DEPTH, &depth);

-		if (depth != stack_depth)

-		{

-			if (gDebugSession)

-			{

-				ll_fail("GL matrix stack corrupted.");

-			}

-			else

-			{

-				llerrs << "GL matrix stack corrupted!" << llendl;

-			}

-		}

-	}

-}

-	

-#ifdef _DEBUG

-// Debug indices is disabled for now for debug performance - djs 4/24/02

-//#define DEBUG_INDICES

-#else

-//#define DEBUG_INDICES

-#endif

-

-const F32 BACKLIGHT_DAY_MAGNITUDE_AVATAR = 0.2f;

-const F32 BACKLIGHT_NIGHT_MAGNITUDE_AVATAR = 0.1f;

-const F32 BACKLIGHT_DAY_MAGNITUDE_OBJECT = 0.1f;

-const F32 BACKLIGHT_NIGHT_MAGNITUDE_OBJECT = 0.08f;

-const S32 MAX_OFFSCREEN_GEOMETRY_CHANGES_PER_FRAME = 10;

-const U32 REFLECTION_MAP_RES = 128;

-

-// Max number of occluders to search for. JC

-const S32 MAX_OCCLUDER_COUNT = 2;

-

-extern S32 gBoxFrame;

-//extern BOOL gHideSelectedObjects;

-extern BOOL gDisplaySwapBuffers;

-extern BOOL gDebugGL;

-

-// hack counter for rendering a fixed number of frames after toggling

-// fullscreen to work around DEV-5361

-static S32 sDelayedVBOEnable = 0;

-

-BOOL	gAvatarBacklight = FALSE;

-

-BOOL	gDebugPipeline = FALSE;

-LLPipeline gPipeline;

-const LLMatrix4* gGLLastMatrix = NULL;

-

-LLFastTimer::DeclareTimer FTM_RENDER_GEOMETRY("Geometry");

-LLFastTimer::DeclareTimer FTM_RENDER_GRASS("Grass");

-LLFastTimer::DeclareTimer FTM_RENDER_INVISIBLE("Invisible");

-LLFastTimer::DeclareTimer FTM_RENDER_OCCLUSION("Occlusion");

-LLFastTimer::DeclareTimer FTM_RENDER_SHINY("Shiny");

-LLFastTimer::DeclareTimer FTM_RENDER_SIMPLE("Simple");

-LLFastTimer::DeclareTimer FTM_RENDER_TERRAIN("Terrain");

-LLFastTimer::DeclareTimer FTM_RENDER_TREES("Trees");

-LLFastTimer::DeclareTimer FTM_RENDER_UI("UI");

-LLFastTimer::DeclareTimer FTM_RENDER_WATER("Water");

-LLFastTimer::DeclareTimer FTM_RENDER_WL_SKY("Windlight Sky");

-LLFastTimer::DeclareTimer FTM_RENDER_ALPHA("Alpha Objects");

-LLFastTimer::DeclareTimer FTM_RENDER_CHARACTERS("Avatars");

-LLFastTimer::DeclareTimer FTM_RENDER_BUMP("Bump");

-LLFastTimer::DeclareTimer FTM_RENDER_FULLBRIGHT("Fullbright");

-LLFastTimer::DeclareTimer FTM_RENDER_GLOW("Glow");

-LLFastTimer::DeclareTimer FTM_GEO_UPDATE("Geo Update");

-LLFastTimer::DeclareTimer FTM_POOLRENDER("RenderPool");

-LLFastTimer::DeclareTimer FTM_POOLS("Pools");

-LLFastTimer::DeclareTimer FTM_RENDER_BLOOM_FBO("First FBO");

-LLFastTimer::DeclareTimer FTM_STATESORT("Sort Draw State");

-LLFastTimer::DeclareTimer FTM_PIPELINE("Pipeline");

-LLFastTimer::DeclareTimer FTM_CLIENT_COPY("Client Copy");

-LLFastTimer::DeclareTimer FTM_RENDER_DEFERRED("Deferred Shading");

-

-

-static LLFastTimer::DeclareTimer FTM_STATESORT_DRAWABLE("Sort Drawables");

-static LLFastTimer::DeclareTimer FTM_STATESORT_POSTSORT("Post Sort");

-

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

-std::string gPoolNames[] = 

-{

-	// Correspond to LLDrawpool enum render type

-	"NONE",

-	"POOL_SIMPLE",

-	"POOL_TERRAIN",

-	"POOL_BUMP",

-	"POOL_TREE",

-	"POOL_SKY",

-	"POOL_WL_SKY",

-	"POOL_GROUND",

-	"POOL_INVISIBLE",

-	"POOL_AVATAR",

-	"POOL_WATER",

-	"POOL_GRASS",

-	"POOL_FULLBRIGHT",

-	"POOL_GLOW",

-	"POOL_ALPHA",

-};

-

-void drawBox(const LLVector3& c, const LLVector3& r);

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

-

-U32 nhpo2(U32 v) 

-{

-	U32 r = 1;

-	while (r < v) {

-		r *= 2;

-	}

-	return r;

-}

-

-glh::matrix4f glh_copy_matrix(GLdouble* src)

-{

-	glh::matrix4f ret;

-	for (U32 i = 0; i < 16; i++)

-	{

-		ret.m[i] = (F32) src[i];

-	}

-	return ret;

-}

-

-glh::matrix4f glh_get_current_modelview()

-{

-	return glh_copy_matrix(gGLModelView);

-}

-

-glh::matrix4f glh_get_current_projection()

-{

-	return glh_copy_matrix(gGLProjection);

-}

-

-void glh_copy_matrix(const glh::matrix4f& src, GLdouble* dst)

-{

-	for (U32 i = 0; i < 16; i++)

-	{

-		dst[i] = src.m[i];

-	}

-}

-

-void glh_set_current_modelview(const glh::matrix4f& mat)

-{

-	glh_copy_matrix(mat, gGLModelView);

-}

-

-void glh_set_current_projection(glh::matrix4f& mat)

-{

-	glh_copy_matrix(mat, gGLProjection);

-}

-

-glh::matrix4f gl_ortho(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat znear, GLfloat zfar)

-{

-	glh::matrix4f ret(

-		2.f/(right-left), 0.f, 0.f, -(right+left)/(right-left),

-		0.f, 2.f/(top-bottom), 0.f, -(top+bottom)/(top-bottom),

-		0.f, 0.f, -2.f/(zfar-znear),  -(zfar+znear)/(zfar-znear),

-		0.f, 0.f, 0.f, 1.f);

-

-	return ret;

-}

-

-void display_update_camera();

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

-

-S32		LLPipeline::sCompiles = 0;

-

-BOOL	LLPipeline::sPickAvatar = TRUE;

-BOOL	LLPipeline::sDynamicLOD = TRUE;

-BOOL	LLPipeline::sShowHUDAttachments = TRUE;

-BOOL	LLPipeline::sRenderPhysicalBeacons = TRUE;

-BOOL	LLPipeline::sRenderScriptedBeacons = FALSE;

-BOOL	LLPipeline::sRenderScriptedTouchBeacons = TRUE;

-BOOL	LLPipeline::sRenderParticleBeacons = FALSE;

-BOOL	LLPipeline::sRenderSoundBeacons = FALSE;

-BOOL	LLPipeline::sRenderBeacons = FALSE;

-BOOL	LLPipeline::sRenderHighlight = TRUE;

-BOOL	LLPipeline::sForceOldBakedUpload = FALSE;

-S32		LLPipeline::sUseOcclusion = 0;

-BOOL	LLPipeline::sDelayVBUpdate = TRUE;

-BOOL	LLPipeline::sAutoMaskAlphaDeferred = TRUE;

-BOOL	LLPipeline::sAutoMaskAlphaNonDeferred = FALSE;

-BOOL	LLPipeline::sDisableShaders = FALSE;

-BOOL	LLPipeline::sRenderBump = TRUE;

-BOOL	LLPipeline::sBakeSunlight = FALSE;

-BOOL	LLPipeline::sNoAlpha = FALSE;

-BOOL	LLPipeline::sUseTriStrips = TRUE;

-BOOL	LLPipeline::sUseFarClip = TRUE;

-BOOL	LLPipeline::sShadowRender = FALSE;

-BOOL	LLPipeline::sWaterReflections = FALSE;

-BOOL	LLPipeline::sRenderGlow = FALSE;

-BOOL	LLPipeline::sReflectionRender = FALSE;

-BOOL	LLPipeline::sImpostorRender = FALSE;

-BOOL	LLPipeline::sUnderWaterRender = FALSE;

-BOOL	LLPipeline::sTextureBindTest = FALSE;

-BOOL	LLPipeline::sRenderFrameTest = FALSE;

-BOOL	LLPipeline::sRenderAttachedLights = TRUE;

-BOOL	LLPipeline::sRenderAttachedParticles = TRUE;

-BOOL	LLPipeline::sRenderDeferred = FALSE;

-S32		LLPipeline::sVisibleLightCount = 0;

-F32		LLPipeline::sMinRenderSize = 0.f;

-

-

-static LLCullResult* sCull = NULL;

-

-static const U32 gl_cube_face[] = 

-{

-	GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,

-	GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,

-	GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,

-	GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,

-	GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,

-	GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,

-};

-

-void validate_framebuffer_object();

-

-

-void addDeferredAttachments(LLRenderTarget& target)

-{

-	target.addColorAttachment(GL_RGBA); //specular

-	target.addColorAttachment(GL_RGBA); //normal+z	

-}

-

-LLPipeline::LLPipeline() :

-	mBackfaceCull(FALSE),

-	mBatchCount(0),

-	mMatrixOpCount(0),

-	mTextureMatrixOps(0),

-	mMaxBatchSize(0),

-	mMinBatchSize(0),

-	mMeanBatchSize(0),

-	mTrianglesDrawn(0),

-	mNumVisibleNodes(0),

-	mVerticesRelit(0),

-	mLightingChanges(0),

-	mGeometryChanges(0),

-	mNumVisibleFaces(0),

-

-	mInitialized(FALSE),

-	mVertexShadersEnabled(FALSE),

-	mVertexShadersLoaded(0),

-	mRenderDebugFeatureMask(0),

-	mRenderDebugMask(0),

-	mOldRenderDebugMask(0),

-	mGroupQ1Locked(false),

-	mGroupQ2Locked(false),

-	mLastRebuildPool(NULL),

-	mAlphaPool(NULL),

-	mSkyPool(NULL),

-	mTerrainPool(NULL),

-	mWaterPool(NULL),

-	mGroundPool(NULL),

-	mSimplePool(NULL),

-	mFullbrightPool(NULL),

-	mInvisiblePool(NULL),

-	mGlowPool(NULL),

-	mBumpPool(NULL),

-	mWLSkyPool(NULL),

-	mLightMask(0),

-	mLightMovingMask(0),

-	mLightingDetail(0),

-	mScreenWidth(0),

-	mScreenHeight(0)

-{

-	mNoiseMap = 0;

-	mTrueNoiseMap = 0;

-	mLightFunc = 0;

-}

-

-void LLPipeline::init()

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_INIT);

-

-	sDynamicLOD = gSavedSettings.getBOOL("RenderDynamicLOD");

-	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");

-	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");

-	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");

-	LLVertexBuffer::sPreferStreamDraw = gSavedSettings.getBOOL("RenderPreferStreamDraw");

-	sRenderAttachedLights = gSavedSettings.getBOOL("RenderAttachedLights");

-	sRenderAttachedParticles = gSavedSettings.getBOOL("RenderAttachedParticles");

-

-	mInitialized = TRUE;

-	

-	stop_glerror();

-

-	//create render pass pools

-	getPool(LLDrawPool::POOL_ALPHA);

-	getPool(LLDrawPool::POOL_SIMPLE);

-	getPool(LLDrawPool::POOL_GRASS);

-	getPool(LLDrawPool::POOL_FULLBRIGHT);

-	getPool(LLDrawPool::POOL_INVISIBLE);

-	getPool(LLDrawPool::POOL_BUMP);

-	getPool(LLDrawPool::POOL_GLOW);

-

-	LLViewerStats::getInstance()->mTrianglesDrawnStat.reset();

-	resetFrameStats();

-

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

-	{

-		mRenderTypeEnabled[i] = TRUE; //all rendering types start enabled

-	}

-

-	mRenderDebugFeatureMask = 0xffffffff; // All debugging features on

-	mRenderDebugMask = 0;	// All debug starts off

-

-	// Don't turn on ground when this is set

-	// Mac Books with intel 950s need this

-	if(!gSavedSettings.getBOOL("RenderGround"))

-	{

-		toggleRenderType(RENDER_TYPE_GROUND);

-	}

-

-	// make sure RenderPerformanceTest persists (hackity hack hack)

-	// disables non-object rendering (UI, sky, water, etc)

-	if (gSavedSettings.getBOOL("RenderPerformanceTest"))

-	{

-		gSavedSettings.setBOOL("RenderPerformanceTest", FALSE);

-		gSavedSettings.setBOOL("RenderPerformanceTest", TRUE);

-	}

-

-	mOldRenderDebugMask = mRenderDebugMask;

-

-	mBackfaceCull = TRUE;

-

-	stop_glerror();

-	

-	// Enable features

-		

-	LLViewerShaderMgr::instance()->setShaders();

-

-	stop_glerror();

-

-	for (U32 i = 0; i < 2; ++i)

-	{

-		mSpotLightFade[i] = 1.f;

-	}

-

-	setLightingDetail(-1);

-}

-

-LLPipeline::~LLPipeline()

-{

-

-}

-

-void LLPipeline::cleanup()

-{

-	assertInitialized();

-

-	mGroupQ1.clear() ;

-	mGroupQ2.clear() ;

-

-	for(pool_set_t::iterator iter = mPools.begin();

-		iter != mPools.end(); )

-	{

-		pool_set_t::iterator curiter = iter++;

-		LLDrawPool* poolp = *curiter;

-		if (poolp->isFacePool())

-		{

-			LLFacePool* face_pool = (LLFacePool*) poolp;

-			if (face_pool->mReferences.empty())

-			{

-				mPools.erase(curiter);

-				removeFromQuickLookup( poolp );

-				delete poolp;

-			}

-		}

-		else

-		{

-			mPools.erase(curiter);

-			removeFromQuickLookup( poolp );

-			delete poolp;

-		}

-	}

-	

-	if (!mTerrainPools.empty())

-	{

-		llwarns << "Terrain Pools not cleaned up" << llendl;

-	}

-	if (!mTreePools.empty())

-	{

-		llwarns << "Tree Pools not cleaned up" << llendl;

-	}

-		

-	delete mAlphaPool;

-	mAlphaPool = NULL;

-	delete mSkyPool;

-	mSkyPool = NULL;

-	delete mTerrainPool;

-	mTerrainPool = NULL;

-	delete mWaterPool;

-	mWaterPool = NULL;

-	delete mGroundPool;

-	mGroundPool = NULL;

-	delete mSimplePool;

-	mSimplePool = NULL;

-	delete mFullbrightPool;

-	mFullbrightPool = NULL;

-	delete mInvisiblePool;

-	mInvisiblePool = NULL;

-	delete mGlowPool;

-	mGlowPool = NULL;

-	delete mBumpPool;

-	mBumpPool = NULL;

-	// don't delete wl sky pool it was handled above in the for loop

-	//delete mWLSkyPool;

-	mWLSkyPool = NULL;

-

-	releaseGLBuffers();

-

-	mFaceSelectImagep = NULL;

-

-	mMovedBridge.clear();

-

-	mInitialized = FALSE;

-}

-

-//============================================================================

-

-void LLPipeline::destroyGL() 

-{

-	stop_glerror();

-	unloadShaders();

-	mHighlightFaces.clear();

-	

-	resetDrawOrders();

-

-	resetVertexBuffers();

-

-	releaseGLBuffers();

-

-	if (LLVertexBuffer::sEnableVBOs)

-	{

-		// render 30 frames after switching to work around DEV-5361

-		sDelayedVBOEnable = 30;

-		LLVertexBuffer::sEnableVBOs = FALSE;

-	}

-}

-

-static LLFastTimer::DeclareTimer FTM_RESIZE_SCREEN_TEXTURE("Resize Screen Texture");

-

-void LLPipeline::resizeScreenTexture()

-{

-	LLFastTimer ft(FTM_RESIZE_SCREEN_TEXTURE);

-	if (gPipeline.canUseVertexShaders() && assertInitialized())

-	{

-		GLuint resX = gViewerWindow->getWorldViewWidthRaw();

-		GLuint resY = gViewerWindow->getWorldViewHeightRaw();

-	

-		allocateScreenBuffer(resX,resY);

-	}

-}

-

-void LLPipeline::allocatePhysicsBuffer()

-{

-	GLuint resX = gViewerWindow->getWorldViewWidthRaw();

-	GLuint resY = gViewerWindow->getWorldViewHeightRaw();

-

-	if (mPhysicsDisplay.getWidth() != resX || mPhysicsDisplay.getHeight() != resY)

-	{

-		mPhysicsDisplay.allocate(resX, resY, GL_RGBA, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);

-		if (mSampleBuffer.getWidth() == mPhysicsDisplay.getWidth() && 

-			mSampleBuffer.getHeight() == mPhysicsDisplay.getHeight())

-		{

-			mPhysicsDisplay.setSampleBuffer(&mSampleBuffer);

-		}

-	}

-}

-

-void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)

-{

-	// remember these dimensions

-	mScreenWidth = resX;

-	mScreenHeight = resY;

-	

-	//never use more than 4 samples for render targets

-	U32 samples = llmin(gSavedSettings.getU32("RenderFSAASamples"), (U32) 4);

-	if (gGLManager.mIsATI)

-	{ //disable multisampling of render targets where ATI is involved

-		samples = 0;

-	}

-

-	U32 res_mod = gSavedSettings.getU32("RenderResolutionDivisor");

-

-	if (res_mod > 1 && res_mod < resX && res_mod < resY)

-	{

-		resX /= res_mod;

-		resY /= res_mod;

-	}

-

-	if (gSavedSettings.getBOOL("RenderUIBuffer"))

-	{

-		mUIScreen.allocate(resX,resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);

-	}	

-

-	if (LLPipeline::sRenderDeferred)

-	{

-		S32 shadow_detail = gSavedSettings.getS32("RenderShadowDetail");

-		BOOL ssao = gSavedSettings.getBOOL("RenderDeferredSSAO");

-		bool gi = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED);

-

-		//allocate deferred rendering color buffers

-		mDeferredScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);

-		mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);

-		addDeferredAttachments(mDeferredScreen);

-	

-		mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		

-		mEdgeMap.allocate(resX, resY, GL_ALPHA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);

-

-		if (shadow_detail > 0 || ssao)

-		{ //only need mDeferredLight[0] for shadows OR ssao

-			mDeferredLight[0].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);

-		}

-		else

-		{

-			mDeferredLight[0].release();

-		}

-

-		if (ssao)

-		{ //only need mDeferredLight[1] for ssao

-			mDeferredLight[1].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);

-		}

-		else

-		{

-			mDeferredLight[1].release();

-		}

-

-		if (gi)

-		{ //only need mDeferredLight[2] and mGIMapPost for gi

-			mDeferredLight[2].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);

-			for (U32 i = 0; i < 2; i++)

-			{

-				mGIMapPost[i].allocate(resX,resY, GL_RGB, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);

-			}

-		}

-		else

-		{

-			mDeferredLight[2].release();

-		

-			for (U32 i = 0; i < 2; i++)

-			{

-				mGIMapPost[i].release();

-			}

-		}

-

-		F32 scale = gSavedSettings.getF32("RenderShadowResolutionScale");

-

-		//HACK: make alpha masking work on ATI depth shadows (work around for ATI driver bug)

-		U32 shadow_fmt = gGLManager.mIsATI ? GL_ALPHA : 0;

-

-		if (shadow_detail > 0)

-		{ //allocate 4 sun shadow maps

-			for (U32 i = 0; i < 4; i++)

-			{

-				mShadow[i].allocate(U32(resX*scale),U32(resY*scale), shadow_fmt, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE);

-			}

-		}

-		else

-		{

-			for (U32 i = 0; i < 4; i++)

-			{

-				mShadow[i].release();

-			}

-		}

-

-		U32 width = nhpo2(U32(resX*scale))/2;

-		U32 height = width;

-

-		if (shadow_detail > 1)

-		{ //allocate two spot shadow maps

-			for (U32 i = 4; i < 6; i++)

-			{

-				mShadow[i].allocate(width, height, shadow_fmt, TRUE, FALSE);

-			}

-		}

-		else

-		{

-			for (U32 i = 4; i < 6; i++)

-			{

-				mShadow[i].release();

-			}

-		}

-

-		width = nhpo2(resX)/2;

-		height = nhpo2(resY)/2;

-		mLuminanceMap.allocate(width,height, GL_RGBA, FALSE, FALSE);

-	}

-	else

-	{

-		for (U32 i = 0; i < 3; i++)

-		{ 

-			mDeferredLight[i].release();

-		}

-		for (U32 i = 0; i < 2; i++)

-		{

-			mGIMapPost[i].release();

-		}

-		for (U32 i = 0; i < 6; i++)

-		{

-			mShadow[i].release();

-		}

-		mScreen.release();

-		mDeferredScreen.release(); //make sure to release any render targets that share a depth buffer with mDeferredScreen first

-		mDeferredDepth.release();

-		mEdgeMap.release();

-		mLuminanceMap.release();

-		

-		mScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		

-	}

-	

-	if (LLRenderTarget::sUseFBO && samples > 1)

-	{ 

-		mSampleBuffer.allocate(resX,resY,GL_RGBA,TRUE,TRUE,LLTexUnit::TT_RECT_TEXTURE,FALSE,samples);

-		if (LLPipeline::sRenderDeferred)

-		{

-			addDeferredAttachments(mSampleBuffer);

-			mDeferredScreen.setSampleBuffer(&mSampleBuffer);

-			mEdgeMap.setSampleBuffer(&mSampleBuffer);

-		}

-

-		mScreen.setSampleBuffer(&mSampleBuffer);

-

-		stop_glerror();

-	}

-	else

-	{

-		mSampleBuffer.release();

-	}

-	

-	if (LLPipeline::sRenderDeferred)

-	{ //share depth buffer between deferred targets

-		mDeferredScreen.shareDepthBuffer(mScreen);

-		for (U32 i = 0; i < 3; i++)

-		{ //share stencil buffer with screen space lightmap to stencil out sky

-			if (mDeferredLight[i].getTexture(0))

-			{

-				mDeferredScreen.shareDepthBuffer(mDeferredLight[i]);

-			}

-		}

-	}

-

-	gGL.getTexUnit(0)->disable();

-

-	stop_glerror();

-

-}

-

-//static

-void LLPipeline::updateRenderDeferred()

-{

-	BOOL deferred = ((gSavedSettings.getBOOL("RenderDeferred") && 

-					 LLRenderTarget::sUseFBO &&

-					 LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&

-					 gSavedSettings.getBOOL("VertexShaderEnable") && 

-					 gSavedSettings.getBOOL("RenderAvatarVP") &&

-					 gSavedSettings.getBOOL("WindLightUseAtmosShaders")) ? TRUE : FALSE) &&

-					!gUseWireframe;

-

-	sRenderDeferred = deferred;	

-	if (deferred)

-	{ //must render glow when rendering deferred since post effect pass is needed to present any lighting at all

-		sRenderGlow = TRUE;

-	}

-}

-

-void LLPipeline::releaseGLBuffers()

-{

-	assertInitialized();

-	

-	if (mNoiseMap)

-	{

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

-		mNoiseMap = 0;

-	}

-

-	if (mTrueNoiseMap)

-	{

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

-		mTrueNoiseMap = 0;

-	}

-

-	if (mLightFunc)

-	{

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

-		mLightFunc = 0;

-	}

-

-	mWaterRef.release();

-	mWaterDis.release();

-	mScreen.release();

-	mPhysicsDisplay.release();

-	mUIScreen.release();

-	mSampleBuffer.release();

-	mDeferredScreen.release();

-	mDeferredDepth.release();

-	for (U32 i = 0; i < 3; i++)

-	{

-		mDeferredLight[i].release();

-	}

-

-	mEdgeMap.release();

-	mGIMap.release();

-	mGIMapPost[0].release();

-	mGIMapPost[1].release();

-	mHighlight.release();

-	mLuminanceMap.release();

-	

-	for (U32 i = 0; i < 6; i++)

-	{

-		mShadow[i].release();

-	}

-

-	for (U32 i = 0; i < 3; i++)

-	{

-		mGlow[i].release();

-	}

-

-	LLVOAvatar::resetImpostors();

-}

-

-void LLPipeline::createGLBuffers()

-{

-	LLMemType mt_cb(LLMemType::MTYPE_PIPELINE_CREATE_BUFFERS);

-	assertInitialized();

-

-	updateRenderDeferred();

-

-	if (LLPipeline::sWaterReflections)

-	{ //water reflection texture

-		U32 res = (U32) gSavedSettings.getS32("RenderWaterRefResolution");

-			

-		mWaterRef.allocate(res,res,GL_RGBA,TRUE,FALSE);

-		mWaterDis.allocate(res,res,GL_RGBA,TRUE,FALSE);

-	}

-

-	mHighlight.allocate(256,256,GL_RGBA, FALSE, FALSE);

-

-	stop_glerror();

-

-	GLuint resX = gViewerWindow->getWorldViewWidthRaw();

-	GLuint resY = gViewerWindow->getWorldViewHeightRaw();

-	

-	if (LLPipeline::sRenderGlow)

-	{ //screen space glow buffers

-		const U32 glow_res = llmax(1, 

-			llmin(512, 1 << gSavedSettings.getS32("RenderGlowResolutionPow")));

-

-		for (U32 i = 0; i < 3; i++)

-		{

-			mGlow[i].allocate(512,glow_res,GL_RGBA,FALSE,FALSE);

-		}

-

-		allocateScreenBuffer(resX,resY);

-		mScreenWidth = 0;

-		mScreenHeight = 0;

-	}

-	

-	if (sRenderDeferred)

-	{

-		if (!mNoiseMap)

-		{

-			const U32 noiseRes = 128;

-			LLVector3 noise[noiseRes*noiseRes];

-

-			F32 scaler = gSavedSettings.getF32("RenderDeferredNoise")/100.f;

-			for (U32 i = 0; i < noiseRes*noiseRes; ++i)

-			{

-				noise[i] = LLVector3(ll_frand()-0.5f, ll_frand()-0.5f, 0.f);

-				noise[i].normVec();

-				noise[i].mV[2] = ll_frand()*scaler+1.f-scaler/2.f;

-			}

-

-			LLImageGL::generateTextures(1, &mNoiseMap);

-			

-			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mNoiseMap);

-			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F_ARB, noiseRes, noiseRes, GL_RGB, GL_FLOAT, noise);

-			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-		}

-

-		if (!mTrueNoiseMap)

-		{

-			const U32 noiseRes = 128;

-			F32 noise[noiseRes*noiseRes*3];

-			for (U32 i = 0; i < noiseRes*noiseRes*3; i++)

-			{

-				noise[i] = ll_frand()*2.0-1.0;

-			}

-

-			LLImageGL::generateTextures(1, &mTrueNoiseMap);

-			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mTrueNoiseMap);

-			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F_ARB, noiseRes, noiseRes, GL_RGB,GL_FLOAT, noise);

-			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-		}

-

-		if (!mLightFunc)

-		{

-			U32 lightResX = gSavedSettings.getU32("RenderSpecularResX");

-			U32 lightResY = gSavedSettings.getU32("RenderSpecularResY");

-			U8* lg = new U8[lightResX*lightResY];

-

-			for (U32 y = 0; y < lightResY; ++y)

-			{

-				for (U32 x = 0; x < lightResX; ++x)

-				{

-					//spec func

-					F32 sa = (F32) x/(lightResX-1);

-					F32 spec = (F32) y/(lightResY-1);

-					//lg[y*lightResX+x] = (U8) (powf(sa, 128.f*spec*spec)*255);

-

-					//F32 sp = acosf(sa)/(1.f-spec);

-

-					sa = powf(sa, gSavedSettings.getF32("RenderSpecularExponent"));

-					F32 a = acosf(sa*0.25f+0.75f);

-					F32 m = llmax(0.5f-spec*0.5f, 0.001f);

-					F32 t2 = tanf(a)/m;

-					t2 *= t2;

-

-					F32 c4a = (3.f+4.f*cosf(2.f*a)+cosf(4.f*a))/8.f;

-					F32 bd = 1.f/(4.f*m*m*c4a)*powf(F_E, -t2);

-

-					lg[y*lightResX+x] = (U8) (llclamp(bd, 0.f, 1.f)*255);

-				}

-			}

-

-			LLImageGL::generateTextures(1, &mLightFunc);

-			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);

-			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_ALPHA, lightResX, lightResY, GL_ALPHA, GL_UNSIGNED_BYTE, lg);

-			gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

-			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);

-

-			delete [] lg;

-		}

-

-		if (gSavedSettings.getBOOL("RenderDeferredGI"))

-		{

-			mGIMap.allocate(512,512,GL_RGBA, TRUE, FALSE);

-			addDeferredAttachments(mGIMap);

-		}

-	}

-}

-

-void LLPipeline::restoreGL() 

-{

-	LLMemType mt_cb(LLMemType::MTYPE_PIPELINE_RESTORE_GL);

-	assertInitialized();

-

-	if (mVertexShadersEnabled)

-	{

-		LLViewerShaderMgr::instance()->setShaders();

-	}

-

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				part->restoreGL();

-			}

-		}

-	}

-}

-

-

-BOOL LLPipeline::canUseVertexShaders()

-{

-	if (sDisableShaders ||

-		!gGLManager.mHasVertexShader ||

-		!gGLManager.mHasFragmentShader ||

-		!LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable") ||

-		(assertInitialized() && mVertexShadersLoaded != 1) )

-	{

-		return FALSE;

-	}

-	else

-	{

-		return TRUE;

-	}

-}

-

-BOOL LLPipeline::canUseWindLightShaders() const

-{

-	return (!LLPipeline::sDisableShaders &&

-			gWLSkyProgram.mProgramObject != 0 &&

-			LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT) > 1);

-}

-

-BOOL LLPipeline::canUseWindLightShadersOnObjects() const

-{

-	return (canUseWindLightShaders() 

-		&& LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 0);

-}

-

-BOOL LLPipeline::canUseAntiAliasing() const

-{

-	return TRUE;

-}

-

-void LLPipeline::unloadShaders()

-{

-	LLMemType mt_us(LLMemType::MTYPE_PIPELINE_UNLOAD_SHADERS);

-	LLViewerShaderMgr::instance()->unloadShaders();

-

-	mVertexShadersLoaded = 0;

-}

-

-void LLPipeline::assertInitializedDoError()

-{

-	llerrs << "LLPipeline used when uninitialized." << llendl;

-}

-

-//============================================================================

-

-void LLPipeline::enableShadows(const BOOL enable_shadows)

-{

-	//should probably do something here to wrangle shadows....	

-}

-

-S32 LLPipeline::getMaxLightingDetail() const

-{

-	/*if (mVertexShaderLevel[SHADER_OBJECT] >= LLDrawPoolSimple::SHADER_LEVEL_LOCAL_LIGHTS)

-	{

-		return 3;

-	}

-	else*/

-	{

-		return 1;

-	}

-}

-

-S32 LLPipeline::setLightingDetail(S32 level)

-{

-	LLMemType mt_ld(LLMemType::MTYPE_PIPELINE_LIGHTING_DETAIL);

-

-	if (level < 0)

-	{

-		if (gSavedSettings.getBOOL("RenderLocalLights"))

-		{

-			level = 1;

-		}

-		else

-		{

-			level = 0;

-		}

-	}

-	level = llclamp(level, 0, getMaxLightingDetail());

-	mLightingDetail = level;

-	

-	return mLightingDetail;

-}

-

-class LLOctreeDirtyTexture : public LLOctreeTraveler<LLDrawable>

-{

-public:

-	const std::set<LLViewerFetchedTexture*>& mTextures;

-

-	LLOctreeDirtyTexture(const std::set<LLViewerFetchedTexture*>& textures) : mTextures(textures) { }

-

-	virtual void visit(const LLOctreeNode<LLDrawable>* node)

-	{

-		LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);

-

-		if (!group->isState(LLSpatialGroup::GEOM_DIRTY) && !group->getData().empty())

-		{

-			for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)

-			{

-				for (LLSpatialGroup::drawmap_elem_t::iterator j = i->second.begin(); j != i->second.end(); ++j) 

-				{

-					LLDrawInfo* params = *j;

-					LLViewerFetchedTexture* tex = LLViewerTextureManager::staticCastToFetchedTexture(params->mTexture);

-					if (tex && mTextures.find(tex) != mTextures.end())

-					{ 

-						group->setState(LLSpatialGroup::GEOM_DIRTY);

-					}

-				}

-			}

-		}

-

-		for (LLSpatialGroup::bridge_list_t::iterator i = group->mBridgeList.begin(); i != group->mBridgeList.end(); ++i)

-		{

-			LLSpatialBridge* bridge = *i;

-			traverse(bridge->mOctree);

-		}

-	}

-};

-

-// Called when a texture changes # of channels (causes faces to move to alpha pool)

-void LLPipeline::dirtyPoolObjectTextures(const std::set<LLViewerFetchedTexture*>& textures)

-{

-	assertInitialized();

-

-	// *TODO: This is inefficient and causes frame spikes; need a better way to do this

-	//        Most of the time is spent in dirty.traverse.

-

-	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

-	{

-		LLDrawPool *poolp = *iter;

-		if (poolp->isFacePool())

-		{

-			((LLFacePool*) poolp)->dirtyTextures(textures);

-		}

-	}

-	

-	LLOctreeDirtyTexture dirty(textures);

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				dirty.traverse(part->mOctree);

-			}

-		}

-	}

-}

-

-LLDrawPool *LLPipeline::findPool(const U32 type, LLViewerTexture *tex0)

-{

-	assertInitialized();

-

-	LLDrawPool *poolp = NULL;

-	switch( type )

-	{

-	case LLDrawPool::POOL_SIMPLE:

-		poolp = mSimplePool;

-		break;

-

-	case LLDrawPool::POOL_GRASS:

-		poolp = mGrassPool;

-		break;

-

-	case LLDrawPool::POOL_FULLBRIGHT:

-		poolp = mFullbrightPool;

-		break;

-

-	case LLDrawPool::POOL_INVISIBLE:

-		poolp = mInvisiblePool;

-		break;

-

-	case LLDrawPool::POOL_GLOW:

-		poolp = mGlowPool;

-		break;

-

-	case LLDrawPool::POOL_TREE:

-		poolp = get_if_there(mTreePools, (uintptr_t)tex0, (LLDrawPool*)0 );

-		break;

-

-	case LLDrawPool::POOL_TERRAIN:

-		poolp = get_if_there(mTerrainPools, (uintptr_t)tex0, (LLDrawPool*)0 );

-		break;

-

-	case LLDrawPool::POOL_BUMP:

-		poolp = mBumpPool;

-		break;

-

-	case LLDrawPool::POOL_ALPHA:

-		poolp = mAlphaPool;

-		break;

-

-	case LLDrawPool::POOL_AVATAR:

-		break; // Do nothing

-

-	case LLDrawPool::POOL_SKY:

-		poolp = mSkyPool;

-		break;

-

-	case LLDrawPool::POOL_WATER:

-		poolp = mWaterPool;

-		break;

-

-	case LLDrawPool::POOL_GROUND:

-		poolp = mGroundPool;

-		break;

-

-	case LLDrawPool::POOL_WL_SKY:

-		poolp = mWLSkyPool;

-		break;

-

-	default:

-		llassert(0);

-		llerrs << "Invalid Pool Type in  LLPipeline::findPool() type=" << type << llendl;

-		break;

-	}

-

-	return poolp;

-}

-

-

-LLDrawPool *LLPipeline::getPool(const U32 type,	LLViewerTexture *tex0)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE);

-	LLDrawPool *poolp = findPool(type, tex0);

-	if (poolp)

-	{

-		return poolp;

-	}

-

-	LLDrawPool *new_poolp = LLDrawPool::createPool(type, tex0);

-	addPool( new_poolp );

-

-	return new_poolp;

-}

-

-

-// static

-LLDrawPool* LLPipeline::getPoolFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE);

-	U32 type = getPoolTypeFromTE(te, imagep);

-	return gPipeline.getPool(type, imagep);

-}

-

-//static 

-U32 LLPipeline::getPoolTypeFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)

-{

-	LLMemType mt_gpt(LLMemType::MTYPE_PIPELINE_GET_POOL_TYPE);

-	

-	if (!te || !imagep)

-	{

-		return 0;

-	}

-		

-	bool alpha = te->getColor().mV[3] < 0.999f;

-	if (imagep)

-	{

-		alpha = alpha || (imagep->getComponents() == 4 && imagep->getType() != LLViewerTexture::MEDIA_TEXTURE) || (imagep->getComponents() == 2);

-	}

-

-	if (alpha)

-	{

-		return LLDrawPool::POOL_ALPHA;

-	}

-	else if ((te->getBumpmap() || te->getShiny()))

-	{

-		return LLDrawPool::POOL_BUMP;

-	}

-	else

-	{

-		return LLDrawPool::POOL_SIMPLE;

-	}

-}

-

-

-void LLPipeline::addPool(LLDrawPool *new_poolp)

-{

-	LLMemType mt_a(LLMemType::MTYPE_PIPELINE_ADD_POOL);

-	assertInitialized();

-	mPools.insert(new_poolp);

-	addToQuickLookup( new_poolp );

-}

-

-void LLPipeline::allocDrawable(LLViewerObject *vobj)

-{

-	LLMemType mt_ad(LLMemType::MTYPE_PIPELINE_ALLOCATE_DRAWABLE);

-	LLDrawable *drawable = new LLDrawable();

-	vobj->mDrawable = drawable;

-	

-	drawable->mVObjp     = vobj;

-	

-	//encompass completely sheared objects by taking 

-	//the most extreme point possible (<1,1,0.5>)

-	drawable->setRadius(LLVector3(1,1,0.5f).scaleVec(vobj->getScale()).length());

-	if (vobj->isOrphaned())

-	{

-		drawable->setState(LLDrawable::FORCE_INVISIBLE);

-	}

-	drawable->updateXform(TRUE);

-}

-

-

-static LLFastTimer::DeclareTimer FTM_UNLINK("Unlink");

-static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_MOVE_LIST("Movelist");

-static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_SPATIAL_PARTITION("Spatial Partition");

-static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_LIGHT_SET("Light Set");

-static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_HIGHLIGHT_SET("Highlight Set");

-

-void LLPipeline::unlinkDrawable(LLDrawable *drawable)

-{

-	LLFastTimer t(FTM_UNLINK);

-

-	assertInitialized();

-

-	LLPointer<LLDrawable> drawablep = drawable; // make sure this doesn't get deleted before we are done

-	

-	// Based on flags, remove the drawable from the queues that it's on.

-	if (drawablep->isState(LLDrawable::ON_MOVE_LIST))

-	{

-		LLFastTimer t(FTM_REMOVE_FROM_MOVE_LIST);

-		LLDrawable::drawable_vector_t::iterator iter = std::find(mMovedList.begin(), mMovedList.end(), drawablep);

-		if (iter != mMovedList.end())

-		{

-			mMovedList.erase(iter);

-		}

-	}

-

-	if (drawablep->getSpatialGroup())

-	{

-		LLFastTimer t(FTM_REMOVE_FROM_SPATIAL_PARTITION);

-		if (!drawablep->getSpatialGroup()->mSpatialPartition->remove(drawablep, drawablep->getSpatialGroup()))

-		{

-#ifdef LL_RELEASE_FOR_DOWNLOAD

-			llwarns << "Couldn't remove object from spatial group!" << llendl;

-#else

-			llerrs << "Couldn't remove object from spatial group!" << llendl;

-#endif

-		}

-	}

-

-	{

-		LLFastTimer t(FTM_REMOVE_FROM_LIGHT_SET);

-		mLights.erase(drawablep);

-

-		for (light_set_t::iterator iter = mNearbyLights.begin();

-					iter != mNearbyLights.end(); iter++)

-		{

-			if (iter->drawable == drawablep)

-			{

-				mNearbyLights.erase(iter);

-				break;

-			}

-		}

-	}

-

-	{

-		LLFastTimer t(FTM_REMOVE_FROM_HIGHLIGHT_SET);

-		HighlightItem item(drawablep);

-		mHighlightSet.erase(item);

-

-		if (mHighlightObject == drawablep)

-		{

-			mHighlightObject = NULL;

-		}

-	}

-

-	for (U32 i = 0; i < 2; ++i)

-	{

-		if (mShadowSpotLight[i] == drawablep)

-		{

-			mShadowSpotLight[i] = NULL;

-		}

-

-		if (mTargetShadowSpotLight[i] == drawablep)

-		{

-			mTargetShadowSpotLight[i] = NULL;

-		}

-	}

-

-

-}

-

-U32 LLPipeline::addObject(LLViewerObject *vobj)

-{

-	LLMemType mt_ao(LLMemType::MTYPE_PIPELINE_ADD_OBJECT);

-	if (gNoRender)

-	{

-		return 0;

-	}

-

-	if (gSavedSettings.getBOOL("RenderDelayCreation"))

-	{

-		mCreateQ.push_back(vobj);

-	}

-	else

-	{

-		createObject(vobj);

-	}

-

-	return 1;

-}

-

-void LLPipeline::createObjects(F32 max_dtime)

-{

-	LLFastTimer ftm(FTM_GEO_UPDATE);

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_CREATE_OBJECTS);

-

-	LLTimer update_timer;

-

-	while (!mCreateQ.empty() && update_timer.getElapsedTimeF32() < max_dtime)

-	{

-		LLViewerObject* vobj = mCreateQ.front();

-		if (!vobj->isDead())

-		{

-			createObject(vobj);

-		}

-		mCreateQ.pop_front();

-	}

-	

-	//for (LLViewerObject::vobj_list_t::iterator iter = mCreateQ.begin(); iter != mCreateQ.end(); ++iter)

-	//{

-	//	createObject(*iter);

-	//}

-

-	//mCreateQ.clear();

-}

-

-void LLPipeline::createObject(LLViewerObject* vobj)

-{

-	LLDrawable* drawablep = vobj->mDrawable;

-

-	if (!drawablep)

-	{

-		drawablep = vobj->createDrawable(this);

-	}

-	else

-	{

-		llerrs << "Redundant drawable creation!" << llendl;

-	}

-		

-	llassert(drawablep);

-

-	if (vobj->getParent())

-	{

-		vobj->setDrawableParent(((LLViewerObject*)vobj->getParent())->mDrawable); // LLPipeline::addObject 1

-	}

-	else

-	{

-		vobj->setDrawableParent(NULL); // LLPipeline::addObject 2

-	}

-

-	markRebuild(drawablep, LLDrawable::REBUILD_ALL, TRUE);

-

-	if (drawablep->getVOVolume() && gSavedSettings.getBOOL("RenderAnimateRes"))

-	{

-		// fun animated res

-		drawablep->updateXform(TRUE);

-		drawablep->clearState(LLDrawable::MOVE_UNDAMPED);

-		drawablep->setScale(LLVector3(0,0,0));

-		drawablep->makeActive();

-	}

-}

-

-

-void LLPipeline::resetFrameStats()

-{

-	assertInitialized();

-

-	LLViewerStats::getInstance()->mTrianglesDrawnStat.addValue(mTrianglesDrawn/1000.f);

-

-	if (mBatchCount > 0)

-	{

-		mMeanBatchSize = gPipeline.mTrianglesDrawn/gPipeline.mBatchCount;

-	}

-	mTrianglesDrawn = 0;

-	sCompiles        = 0;

-	mVerticesRelit   = 0;

-	mLightingChanges = 0;

-	mGeometryChanges = 0;

-	mNumVisibleFaces = 0;

-

-	if (mOldRenderDebugMask != mRenderDebugMask)

-	{

-		gObjectList.clearDebugText();

-		mOldRenderDebugMask = mRenderDebugMask;

-	}

-		

-}

-

-//external functions for asynchronous updating

-void LLPipeline::updateMoveDampedAsync(LLDrawable* drawablep)

-{

-	if (gSavedSettings.getBOOL("FreezeTime"))

-	{

-		return;

-	}

-	if (!drawablep)

-	{

-		llerrs << "updateMove called with NULL drawablep" << llendl;

-		return;

-	}

-	if (drawablep->isState(LLDrawable::EARLY_MOVE))

-	{

-		return;

-	}

-

-	assertInitialized();

-

-	// update drawable now

-	drawablep->clearState(LLDrawable::MOVE_UNDAMPED); // force to DAMPED

-	drawablep->updateMove(); // returns done

-	drawablep->setState(LLDrawable::EARLY_MOVE); // flag says we already did an undamped move this frame

-	// Put on move list so that EARLY_MOVE gets cleared

-	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))

-	{

-		mMovedList.push_back(drawablep);

-		drawablep->setState(LLDrawable::ON_MOVE_LIST);

-	}

-}

-

-void LLPipeline::updateMoveNormalAsync(LLDrawable* drawablep)

-{

-	if (gSavedSettings.getBOOL("FreezeTime"))

-	{

-		return;

-	}

-	if (!drawablep)

-	{

-		llerrs << "updateMove called with NULL drawablep" << llendl;

-		return;

-	}

-	if (drawablep->isState(LLDrawable::EARLY_MOVE))

-	{

-		return;

-	}

-

-	assertInitialized();

-

-	// update drawable now

-	drawablep->setState(LLDrawable::MOVE_UNDAMPED); // force to UNDAMPED

-	drawablep->updateMove();

-	drawablep->setState(LLDrawable::EARLY_MOVE); // flag says we already did an undamped move this frame

-	// Put on move list so that EARLY_MOVE gets cleared

-	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))

-	{

-		mMovedList.push_back(drawablep);

-		drawablep->setState(LLDrawable::ON_MOVE_LIST);

-	}

-}

-

-void LLPipeline::updateMovedList(LLDrawable::drawable_vector_t& moved_list)

-{

-	for (LLDrawable::drawable_vector_t::iterator iter = moved_list.begin();

-		 iter != moved_list.end(); )

-	{

-		LLDrawable::drawable_vector_t::iterator curiter = iter++;

-		LLDrawable *drawablep = *curiter;

-		BOOL done = TRUE;

-		if (!drawablep->isDead() && (!drawablep->isState(LLDrawable::EARLY_MOVE)))

-		{

-			done = drawablep->updateMove();

-		}

-		drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED);

-		if (done)

-		{

-			drawablep->clearState(LLDrawable::ON_MOVE_LIST);

-			iter = moved_list.erase(curiter);

-		}

-	}

-}

-

-static LLFastTimer::DeclareTimer FTM_OCTREE_BALANCE("Balance Octree");

-static LLFastTimer::DeclareTimer FTM_UPDATE_MOVE("Update Move");

-

-void LLPipeline::updateMove()

-{

-	LLFastTimer t(FTM_UPDATE_MOVE);

-	LLMemType mt_um(LLMemType::MTYPE_PIPELINE_UPDATE_MOVE);

-

-	if (gSavedSettings.getBOOL("FreezeTime"))

-	{

-		return;

-	}

-

-	assertInitialized();

-

-	{

-		static LLFastTimer::DeclareTimer ftm("Retexture");

-		LLFastTimer t(ftm);

-

-		for (LLDrawable::drawable_set_t::iterator iter = mRetexturedList.begin();

-			 iter != mRetexturedList.end(); ++iter)

-		{

-			LLDrawable* drawablep = *iter;

-			if (drawablep && !drawablep->isDead())

-			{

-				drawablep->updateTexture();

-			}

-		}

-		mRetexturedList.clear();

-	}

-

-	{

-		static LLFastTimer::DeclareTimer ftm("Moved List");

-		LLFastTimer t(ftm);

-		updateMovedList(mMovedList);

-	}

-

-	//balance octrees

-	{

- 		LLFastTimer ot(FTM_OCTREE_BALANCE);

-

-		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-		{

-			LLViewerRegion* region = *iter;

-			for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-			{

-				LLSpatialPartition* part = region->getSpatialPartition(i);

-				if (part)

-				{

-					part->mOctree->balance();

-				}

-			}

-		}

-	}

-}

-

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

-// Culling and occlusion testing

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

-

-//static

-F32 LLPipeline::calcPixelArea(LLVector3 center, LLVector3 size, LLCamera &camera)

-{

-	LLVector3 lookAt = center - camera.getOrigin();

-	F32 dist = lookAt.length();

-

-	//ramp down distance for nearby objects

-	//shrink dist by dist/16.

-	if (dist < 16.f)

-	{

-		dist /= 16.f;

-		dist *= dist;

-		dist *= 16.f;

-	}

-

-	//get area of circle around node

-	F32 app_angle = atanf(size.length()/dist);

-	F32 radius = app_angle*LLDrawable::sCurPixelAngle;

-	return radius*radius * F_PI;

-}

-

-//static

-F32 LLPipeline::calcPixelArea(const LLVector4a& center, const LLVector4a& size, LLCamera &camera)

-{

-	LLVector4a origin;

-	origin.load3(camera.getOrigin().mV);

-

-	LLVector4a lookAt;

-	lookAt.setSub(center, origin);

-	F32 dist = lookAt.getLength3().getF32();

-

-	//ramp down distance for nearby objects

-	//shrink dist by dist/16.

-	if (dist < 16.f)

-	{

-		dist /= 16.f;

-		dist *= dist;

-		dist *= 16.f;

-	}

-

-	//get area of circle around node

-	F32 app_angle = atanf(size.getLength3().getF32()/dist);

-	F32 radius = app_angle*LLDrawable::sCurPixelAngle;

-	return radius*radius * F_PI;

-}

-

-void LLPipeline::grabReferences(LLCullResult& result)

-{

-	sCull = &result;

-}

-

-void LLPipeline::clearReferences()

-{

-	sCull = NULL;

-}

-

-void check_references(LLSpatialGroup* group, LLDrawable* drawable)

-{

-	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)

-	{

-		if (drawable == *i)

-		{

-			llerrs << "LLDrawable deleted while actively reference by LLPipeline." << llendl;

-		}

-	}			

-}

-

-void check_references(LLDrawable* drawable, LLFace* face)

-{

-	for (S32 i = 0; i < drawable->getNumFaces(); ++i)

-	{

-		if (drawable->getFace(i) == face)

-		{

-			llerrs << "LLFace deleted while actively referenced by LLPipeline." << llendl;

-		}

-	}

-}

-

-void check_references(LLSpatialGroup* group, LLFace* face)

-{

-	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)

-	{

-		LLDrawable* drawable = *i;

-		check_references(drawable, face);

-	}			

-}

-

-void LLPipeline::checkReferences(LLFace* face)

-{

-#if 0

-	if (sCull)

-	{

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, face);

-		}

-

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, face);

-		}

-

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, face);

-		}

-

-		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)

-		{

-			LLDrawable* drawable = *iter;

-			check_references(drawable, face);	

-		}

-	}

-#endif

-}

-

-void LLPipeline::checkReferences(LLDrawable* drawable)

-{

-#if 0

-	if (sCull)

-	{

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, drawable);

-		}

-

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, drawable);

-		}

-

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, drawable);

-		}

-

-		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)

-		{

-			if (drawable == *iter)

-			{

-				llerrs << "LLDrawable deleted while actively referenced by LLPipeline." << llendl;

-			}

-		}

-	}

-#endif

-}

-

-void check_references(LLSpatialGroup* group, LLDrawInfo* draw_info)

-{

-	for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)

-	{

-		LLSpatialGroup::drawmap_elem_t& draw_vec = i->second;

-		for (LLSpatialGroup::drawmap_elem_t::iterator j = draw_vec.begin(); j != draw_vec.end(); ++j)

-		{

-			LLDrawInfo* params = *j;

-			if (params == draw_info)

-			{

-				llerrs << "LLDrawInfo deleted while actively referenced by LLPipeline." << llendl;

-			}

-		}

-	}

-}

-

-

-void LLPipeline::checkReferences(LLDrawInfo* draw_info)

-{

-#if 0

-	if (sCull)

-	{

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, draw_info);

-		}

-

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, draw_info);

-		}

-

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			check_references(group, draw_info);

-		}

-	}

-#endif

-}

-

-void LLPipeline::checkReferences(LLSpatialGroup* group)

-{

-#if 0

-	if (sCull)

-	{

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

-		{

-			if (group == *iter)

-			{

-				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;

-			}

-		}

-

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)

-		{

-			if (group == *iter)

-			{

-				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;

-			}

-		}

-

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

-		{

-			if (group == *iter)

-			{

-				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;

-			}

-		}

-	}

-#endif

-}

-

-

-BOOL LLPipeline::visibleObjectsInFrustum(LLCamera& camera)

-{

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				if (hasRenderType(part->mDrawableType))

-				{

-					if (part->visibleObjectsInFrustum(camera))

-					{

-						return TRUE;

-					}

-				}

-			}

-		}

-	}

-

-	return FALSE;

-}

-

-BOOL LLPipeline::getVisibleExtents(LLCamera& camera, LLVector3& min, LLVector3& max)

-{

-	const F32 X = 65536.f;

-

-	min = LLVector3(X,X,X);

-	max = LLVector3(-X,-X,-X);

-

-	U32 saved_camera_id = LLViewerCamera::sCurCameraID;

-	LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;

-

-	BOOL res = TRUE;

-

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				if (hasRenderType(part->mDrawableType))

-				{

-					if (!part->getVisibleExtents(camera, min, max))

-					{

-						res = FALSE;

-					}

-				}

-			}

-		}

-	}

-

-	LLViewerCamera::sCurCameraID = saved_camera_id;

-

-	return res;

-}

-

-static LLFastTimer::DeclareTimer FTM_CULL("Object Culling");

-

-void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_clip)

-{

-	LLFastTimer t(FTM_CULL);

-	LLMemType mt_uc(LLMemType::MTYPE_PIPELINE_UPDATE_CULL);

-

-	grabReferences(result);

-

-	sCull->clear();

-

-	BOOL to_texture =	LLPipeline::sUseOcclusion > 1 &&

-						!hasRenderType(LLPipeline::RENDER_TYPE_HUD) && 

-						LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&

-						gPipeline.canUseVertexShaders() &&

-						sRenderGlow;

-

-	if (to_texture)

-	{

-		mScreen.bindTarget();

-	}

-

-	glMatrixMode(GL_PROJECTION);

-	glPushMatrix();

-	glLoadMatrixd(gGLLastProjection);

-	glMatrixMode(GL_MODELVIEW);

-	glPushMatrix();

-	gGLLastMatrix = NULL;

-	glLoadMatrixd(gGLLastModelView);

-

-

-	LLVertexBuffer::unbind();

-	LLGLDisable blend(GL_BLEND);

-	LLGLDisable test(GL_ALPHA_TEST);

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

-

-	if (sUseOcclusion > 1)

-	{

-		gGL.setColorMask(false, false);

-	}

-

-	LLGLDepthTest depth(GL_TRUE, GL_FALSE);

-

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-		if (water_clip != 0)

-		{

-			LLPlane plane(LLVector3(0,0, (F32) -water_clip), (F32) water_clip*region->getWaterHeight());

-			camera.setUserClipPlane(plane);

-		}

-		else

-		{

-			camera.disableUserClipPlane();

-		}

-

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				if (hasRenderType(part->mDrawableType))

-				{

-					part->cull(camera);

-				}

-			}

-		}

-	}

-

-	camera.disableUserClipPlane();

-

-	if (hasRenderType(LLPipeline::RENDER_TYPE_SKY) && 

-		gSky.mVOSkyp.notNull() && 

-		gSky.mVOSkyp->mDrawable.notNull())

-	{

-		gSky.mVOSkyp->mDrawable->setVisible(camera);

-		sCull->pushDrawable(gSky.mVOSkyp->mDrawable);

-		gSky.updateCull();

-		stop_glerror();

-	}

-

-	if (hasRenderType(LLPipeline::RENDER_TYPE_GROUND) && 

-		!gPipeline.canUseWindLightShaders() &&

-		gSky.mVOGroundp.notNull() && 

-		gSky.mVOGroundp->mDrawable.notNull() &&

-		!LLPipeline::sWaterReflections)

-	{

-		gSky.mVOGroundp->mDrawable->setVisible(camera);

-		sCull->pushDrawable(gSky.mVOGroundp->mDrawable);

-	}

-	

-	

-	glMatrixMode(GL_PROJECTION);

-	glPopMatrix();

-	glMatrixMode(GL_MODELVIEW);

-	glPopMatrix();

-

-	if (sUseOcclusion > 1)

-	{

-		gGL.setColorMask(true, false);

-	}

-

-	if (to_texture)

-	{

-		mScreen.flush();

-	}

-}

-

-void LLPipeline::markNotCulled(LLSpatialGroup* group, LLCamera& camera)

-{

-	if (group->getData().empty())

-	{ 

-		return;

-	}

-	

-	group->setVisible();

-

-	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)

-	{

-		group->updateDistance(camera);

-	}

-	

-	const F32 MINIMUM_PIXEL_AREA = 16.f;

-

-	if (group->mPixelArea < MINIMUM_PIXEL_AREA)

-	{

-		return;

-	}

-

-	if (sMinRenderSize > 0.f && 

-			llmax(llmax(group->mBounds[1][0], group->mBounds[1][1]), group->mBounds[1][2]) < sMinRenderSize)

-	{

-		return;

-	}

-

-	assertInitialized();

-	

-	if (!group->mSpatialPartition->mRenderByGroup)

-	{ //render by drawable

-		sCull->pushDrawableGroup(group);

-	}

-	else

-	{   //render by group

-		sCull->pushVisibleGroup(group);

-	}

-

-	mNumVisibleNodes++;

-}

-

-void LLPipeline::markOccluder(LLSpatialGroup* group)

-{

-	if (sUseOcclusion > 1 && group && !group->isOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION))

-	{

-		LLSpatialGroup* parent = group->getParent();

-

-		if (!parent || !parent->isOcclusionState(LLSpatialGroup::OCCLUDED))

-		{ //only mark top most occluders as active occlusion

-			sCull->pushOcclusionGroup(group);

-			group->setOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);

-				

-			if (parent && 

-				!parent->isOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION) &&

-				parent->getElementCount() == 0 &&

-				parent->needsUpdate())

-			{

-				sCull->pushOcclusionGroup(group);

-				parent->setOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);

-			}

-		}

-	}

-}

-

-void LLPipeline::doOcclusion(LLCamera& camera)

-{

-	if (LLPipeline::sUseOcclusion > 1 && sCull->hasOcclusionGroups())

-	{

-		LLVertexBuffer::unbind();

-

-		if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_OCCLUSION))

-		{

-			gGL.setColorMask(true, false, false, false);

-		}

-		else

-		{

-			gGL.setColorMask(false, false);

-		}

-		LLGLDisable blend(GL_BLEND);

-		LLGLDisable test(GL_ALPHA_TEST);

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

-		LLGLDepthTest depth(GL_TRUE, GL_FALSE);

-

-		LLGLDisable cull(GL_CULL_FACE);

-		

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginOcclusionGroups(); iter != sCull->endOcclusionGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			group->doOcclusion(&camera);

-			group->clearOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);

-		}

-	

-		gGL.setColorMask(true, false);

-	}

-}

-	

-BOOL LLPipeline::updateDrawableGeom(LLDrawable* drawablep, BOOL priority)

-{

-	BOOL update_complete = drawablep->updateGeometry(priority);

-	if (update_complete && assertInitialized())

-	{

-		drawablep->setState(LLDrawable::BUILT);

-		mGeometryChanges++;

-	}

-	return update_complete;

-}

-

-void LLPipeline::updateGL()

-{

-	while (!LLGLUpdate::sGLQ.empty())

-	{

-		LLGLUpdate* glu = LLGLUpdate::sGLQ.front();

-		glu->updateGL();

-		glu->mInQ = FALSE;

-		LLGLUpdate::sGLQ.pop_front();

-	}

-}

-

-void LLPipeline::rebuildPriorityGroups()

-{

-	LLTimer update_timer;

-	LLMemType mt(LLMemType::MTYPE_PIPELINE);

-	

-	assertInitialized();

-

-	gMeshRepo.notifyLoadedMeshes();

-

-	mGroupQ1Locked = true;

-	// Iterate through all drawables on the priority build queue,

-	for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ1.begin();

-		 iter != mGroupQ1.end(); ++iter)

-	{

-		LLSpatialGroup* group = *iter;

-		group->rebuildGeom();

-		group->clearState(LLSpatialGroup::IN_BUILD_Q1);

-	}

-

-	mGroupQ1.clear();

-	mGroupQ1Locked = false;

-

-}

-		

-void LLPipeline::rebuildGroups()

-{

-	if (mGroupQ2.empty())

-	{

-		return;

-	}

-

-	mGroupQ2Locked = true;

-	// Iterate through some drawables on the non-priority build queue

-	S32 size = (S32) mGroupQ2.size();

-	S32 min_count = llclamp((S32) ((F32) (size * size)/4096*0.25f), 1, size);

-			

-	S32 count = 0;

-	

-	std::sort(mGroupQ2.begin(), mGroupQ2.end(), LLSpatialGroup::CompareUpdateUrgency());

-

-	LLSpatialGroup::sg_vector_t::iterator iter;

-	LLSpatialGroup::sg_vector_t::iterator last_iter = mGroupQ2.begin();

-

-	for (iter = mGroupQ2.begin();

-		 iter != mGroupQ2.end() && count <= min_count; ++iter)

-	{

-		LLSpatialGroup* group = *iter;

-		last_iter = iter;

-

-		if (!group->isDead())

-		{

-			group->rebuildGeom();

-			

-			if (group->mSpatialPartition->mRenderByGroup)

-			{

-				count++;

-			}

-		}

-

-		group->clearState(LLSpatialGroup::IN_BUILD_Q2);

-	}	

-

-	mGroupQ2.erase(mGroupQ2.begin(), ++last_iter);

-

-	mGroupQ2Locked = false;

-

-	updateMovedList(mMovedBridge);

-}

-

-void LLPipeline::updateGeom(F32 max_dtime)

-{

-	LLTimer update_timer;

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_UPDATE_GEOM);

-	LLPointer<LLDrawable> drawablep;

-

-	LLFastTimer t(FTM_GEO_UPDATE);

-

-	assertInitialized();

-

-	if (sDelayedVBOEnable > 0)

-	{

-		if (--sDelayedVBOEnable <= 0)

-		{

-			resetVertexBuffers();

-			LLVertexBuffer::sEnableVBOs = TRUE;

-		}

-	}

-

-	// notify various object types to reset internal cost metrics, etc.

-	// for now, only LLVOVolume does this to throttle LOD changes

-	LLVOVolume::preUpdateGeom();

-

-	// Iterate through all drawables on the priority build queue,

-	for (LLDrawable::drawable_list_t::iterator iter = mBuildQ1.begin();

-		 iter != mBuildQ1.end();)

-	{

-		LLDrawable::drawable_list_t::iterator curiter = iter++;

-		LLDrawable* drawablep = *curiter;

-		if (drawablep && !drawablep->isDead())

-		{

-			if (drawablep->isState(LLDrawable::IN_REBUILD_Q2))

-			{

-				drawablep->clearState(LLDrawable::IN_REBUILD_Q2);

-				LLDrawable::drawable_list_t::iterator find = std::find(mBuildQ2.begin(), mBuildQ2.end(), drawablep);

-				if (find != mBuildQ2.end())

-				{

-					mBuildQ2.erase(find);

-				}

-			}

-

-			if (updateDrawableGeom(drawablep, TRUE))

-			{

-				drawablep->clearState(LLDrawable::IN_REBUILD_Q1);

-				mBuildQ1.erase(curiter);

-			}

-		}

-		else

-		{

-			mBuildQ1.erase(curiter);

-		}

-	}

-		

-	// Iterate through some drawables on the non-priority build queue

-	S32 min_count = 16;

-	S32 size = (S32) mBuildQ2.size();

-	if (size > 1024)

-	{

-		min_count = llclamp((S32) (size * (F32) size/4096), 16, size);

-	}

-		

-	S32 count = 0;

-	

-	max_dtime = llmax(update_timer.getElapsedTimeF32()+0.001f, max_dtime);

-	LLSpatialGroup* last_group = NULL;

-	LLSpatialBridge* last_bridge = NULL;

-

-	for (LLDrawable::drawable_list_t::iterator iter = mBuildQ2.begin();

-		 iter != mBuildQ2.end(); )

-	{

-		LLDrawable::drawable_list_t::iterator curiter = iter++;

-		LLDrawable* drawablep = *curiter;

-

-		LLSpatialBridge* bridge = drawablep->isRoot() ? drawablep->getSpatialBridge() :

-									drawablep->getParent()->getSpatialBridge();

-

-		if (drawablep->getSpatialGroup() != last_group && 

-			(!last_bridge || bridge != last_bridge) &&

-			(update_timer.getElapsedTimeF32() >= max_dtime) && count > min_count)

-		{

-			break;

-		}

-

-		//make sure updates don't stop in the middle of a spatial group

-		//to avoid thrashing (objects are enqueued by group)

-		last_group = drawablep->getSpatialGroup();

-		last_bridge = bridge;

-

-		BOOL update_complete = TRUE;

-		if (!drawablep->isDead())

-		{

-			update_complete = updateDrawableGeom(drawablep, FALSE);

-			count++;

-		}

-		if (update_complete)

-		{

-			drawablep->clearState(LLDrawable::IN_REBUILD_Q2);

-			mBuildQ2.erase(curiter);

-		}

-	}	

-

-	updateMovedList(mMovedBridge);

-}

-

-void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_VISIBLE);

-

-	if(drawablep && !drawablep->isDead())

-	{

-		if (drawablep->isSpatialBridge())

-		{

-			const LLDrawable* root = ((LLSpatialBridge*) drawablep)->mDrawable;

-			llassert(root); // trying to catch a bad assumption

-			if (root && //  // this test may not be needed, see above

-					root->getVObj()->isAttachment())

-			{

-				LLDrawable* rootparent = root->getParent();

-				if (rootparent) // this IS sometimes NULL

-				{

-					LLViewerObject *vobj = rootparent->getVObj();

-					llassert(vobj); // trying to catch a bad assumption

-					if (vobj) // this test may not be needed, see above

-					{

-						const LLVOAvatar* av = vobj->asAvatar();

-						if (av && av->isImpostor())

-						{

-							return;

-						}

-					}

-				}

-			}

-			sCull->pushBridge((LLSpatialBridge*) drawablep);

-		}

-		else

-		{

-			sCull->pushDrawable(drawablep);

-		}

-

-		drawablep->setVisible(camera);

-	}

-}

-

-void LLPipeline::markMoved(LLDrawable *drawablep, BOOL damped_motion)

-{

-	LLMemType mt_mm(LLMemType::MTYPE_PIPELINE_MARK_MOVED);

-

-	if (!drawablep)

-	{

-		//llerrs << "Sending null drawable to moved list!" << llendl;

-		return;

-	}

-	

-	if (drawablep->isDead())

-	{

-		llwarns << "Marking NULL or dead drawable moved!" << llendl;

-		return;

-	}

-	

-	if (drawablep->getParent()) 

-	{

-		//ensure that parent drawables are moved first

-		markMoved(drawablep->getParent(), damped_motion);

-	}

-

-	assertInitialized();

-

-	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))

-	{

-		if (drawablep->isSpatialBridge())

-		{

-			mMovedBridge.push_back(drawablep);

-		}

-		else

-		{

-			mMovedList.push_back(drawablep);

-		}

-		drawablep->setState(LLDrawable::ON_MOVE_LIST);

-	}

-	if (damped_motion == FALSE)

-	{

-		drawablep->setState(LLDrawable::MOVE_UNDAMPED); // UNDAMPED trumps DAMPED

-	}

-	else if (drawablep->isState(LLDrawable::MOVE_UNDAMPED))

-	{

-		drawablep->clearState(LLDrawable::MOVE_UNDAMPED);

-	}

-}

-

-void LLPipeline::markShift(LLDrawable *drawablep)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_SHIFT);

-

-	if (!drawablep || drawablep->isDead())

-	{

-		return;

-	}

-

-	assertInitialized();

-

-	if (!drawablep->isState(LLDrawable::ON_SHIFT_LIST))

-	{

-		drawablep->getVObj()->setChanged(LLXform::SHIFTED | LLXform::SILHOUETTE);

-		if (drawablep->getParent()) 

-		{

-			markShift(drawablep->getParent());

-		}

-		mShiftList.push_back(drawablep);

-		drawablep->setState(LLDrawable::ON_SHIFT_LIST);

-	}

-}

-

-void LLPipeline::shiftObjects(const LLVector3 &offset)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_SHIFT_OBJECTS);

-

-	assertInitialized();

-

-	glClear(GL_DEPTH_BUFFER_BIT);

-	gDepthDirty = TRUE;

-		

-	LLVector4a offseta;

-	offseta.load3(offset.mV);

-

-	for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();

-		 iter != mShiftList.end(); iter++)

-	{

-		LLDrawable *drawablep = *iter;

-		if (drawablep->isDead())

-		{

-			continue;

-		}	

-		drawablep->shiftPos(offseta);	

-		drawablep->clearState(LLDrawable::ON_SHIFT_LIST);

-	}

-	mShiftList.resize(0);

-

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				part->shift(offseta);

-			}

-		}

-	}

-

-	LLHUDText::shiftAll(offset);

-	LLHUDNameTag::shiftAll(offset);

-	display_update_camera();

-}

-

-void LLPipeline::markTextured(LLDrawable *drawablep)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_TEXTURED);

-

-	if (drawablep && !drawablep->isDead() && assertInitialized())

-	{

-		mRetexturedList.insert(drawablep);

-	}

-}

-

-void LLPipeline::markGLRebuild(LLGLUpdate* glu)

-{

-	if (glu && !glu->mInQ)

-	{

-		LLGLUpdate::sGLQ.push_back(glu);

-		glu->mInQ = TRUE;

-	}

-}

-

-void LLPipeline::markRebuild(LLSpatialGroup* group, BOOL priority)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE);

-	

-	if (group && !group->isDead() && group->mSpatialPartition)

-	{

-		if (group->mSpatialPartition->mPartitionType == LLViewerRegion::PARTITION_HUD)

-		{

-			priority = TRUE;

-		}

-

-		if (priority)

-		{

-			if (!group->isState(LLSpatialGroup::IN_BUILD_Q1))

-			{

-				llassert_always(!mGroupQ1Locked);

-

-				mGroupQ1.push_back(group);

-				group->setState(LLSpatialGroup::IN_BUILD_Q1);

-

-				if (group->isState(LLSpatialGroup::IN_BUILD_Q2))

-				{

-					LLSpatialGroup::sg_vector_t::iterator iter = std::find(mGroupQ2.begin(), mGroupQ2.end(), group);

-					if (iter != mGroupQ2.end())

-					{

-						mGroupQ2.erase(iter);

-					}

-					group->clearState(LLSpatialGroup::IN_BUILD_Q2);

-				}

-			}

-		}

-		else if (!group->isState(LLSpatialGroup::IN_BUILD_Q2 | LLSpatialGroup::IN_BUILD_Q1))

-		{

-			llassert_always(!mGroupQ2Locked);

-			mGroupQ2.push_back(group);

-			group->setState(LLSpatialGroup::IN_BUILD_Q2);

-

-		}

-	}

-}

-

-void LLPipeline::markRebuild(LLDrawable *drawablep, LLDrawable::EDrawableFlags flag, BOOL priority)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_REBUILD);

-

-	if (drawablep && !drawablep->isDead() && assertInitialized())

-	{

-		if (!drawablep->isState(LLDrawable::BUILT))

-		{

-			priority = TRUE;

-		}

-		if (priority)

-		{

-			if (!drawablep->isState(LLDrawable::IN_REBUILD_Q1))

-			{

-				mBuildQ1.push_back(drawablep);

-				drawablep->setState(LLDrawable::IN_REBUILD_Q1); // mark drawable as being in priority queue

-			}

-		}

-		else if (!drawablep->isState(LLDrawable::IN_REBUILD_Q2))

-		{

-			mBuildQ2.push_back(drawablep);

-			drawablep->setState(LLDrawable::IN_REBUILD_Q2); // need flag here because it is just a list

-		}

-		if (flag & (LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION))

-		{

-			drawablep->getVObj()->setChanged(LLXform::SILHOUETTE);

-		}

-		drawablep->setState(flag);

-	}

-}

-

-static LLFastTimer::DeclareTimer FTM_RESET_DRAWORDER("Reset Draw Order");

-

-void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)

-{

-	if (hasAnyRenderType(LLPipeline::RENDER_TYPE_AVATAR,

-					  LLPipeline::RENDER_TYPE_GROUND,

-					  LLPipeline::RENDER_TYPE_TERRAIN,

-					  LLPipeline::RENDER_TYPE_TREE,

-					  LLPipeline::RENDER_TYPE_SKY,

-					  LLPipeline::RENDER_TYPE_VOIDWATER,

-					  LLPipeline::RENDER_TYPE_WATER,

-					  LLPipeline::END_RENDER_TYPES))

-	{

-		//clear faces from face pools

-		LLFastTimer t(FTM_RESET_DRAWORDER);

-		gPipeline.resetDrawOrders();

-	}

-

-	LLFastTimer ftm(FTM_STATESORT);

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);

-

-	//LLVertexBuffer::unbind();

-

-	grabReferences(result);

-	for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)

-	{

-		LLSpatialGroup* group = *iter;

-		group->checkOcclusion();

-		if (sUseOcclusion > 1 && group->isOcclusionState(LLSpatialGroup::OCCLUDED))

-		{

-			markOccluder(group);

-		}

-		else

-		{

-			group->setVisible();

-			for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)

-			{

-				markVisible(*i, camera);

-			}

-		}

-	}

-

-	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)

-	{

-		LLSpatialGroup* last_group = NULL;

-		for (LLCullResult::bridge_list_t::iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)

-		{

-			LLCullResult::bridge_list_t::iterator cur_iter = i;

-			LLSpatialBridge* bridge = *cur_iter;

-			LLSpatialGroup* group = bridge->getSpatialGroup();

-

-			if (last_group == NULL)

-			{

-				last_group = group;

-			}

-

-			if (!bridge->isDead() && group && !group->isOcclusionState(LLSpatialGroup::OCCLUDED))

-			{

-				stateSort(bridge, camera);

-			}

-

-			if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&

-				last_group != group && last_group->changeLOD())

-			{

-				last_group->mLastUpdateDistance = last_group->mDistance;

-			}

-

-			last_group = group;

-		}

-

-		if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&

-			last_group && last_group->changeLOD())

-		{

-			last_group->mLastUpdateDistance = last_group->mDistance;

-		}

-	}

-

-	for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

-	{

-		LLSpatialGroup* group = *iter;

-		group->checkOcclusion();

-		if (sUseOcclusion > 1 && group->isOcclusionState(LLSpatialGroup::OCCLUDED))

-		{

-			markOccluder(group);

-		}

-		else

-		{

-			group->setVisible();

-			stateSort(group, camera);

-		}

-	}

-	

-	{

-		LLFastTimer ftm(FTM_STATESORT_DRAWABLE);

-		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList();

-			 iter != sCull->endVisibleList(); ++iter)

-		{

-			LLDrawable *drawablep = *iter;

-			if (!drawablep->isDead())

-			{

-				stateSort(drawablep, camera);

-			}

-		}

-	}

-	{

-		LLFastTimer ftm(FTM_CLIENT_COPY);

-		LLVertexBuffer::clientCopy();

-	}

-	

-	postSort(camera);	

-}

-

-void LLPipeline::stateSort(LLSpatialGroup* group, LLCamera& camera)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);

-	if (group->changeLOD())

-	{

-		for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)

-		{

-			LLDrawable* drawablep = *i;

-			stateSort(drawablep, camera);

-		}

-

-		if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)

-		{ //avoid redundant stateSort calls

-			group->mLastUpdateDistance = group->mDistance;

-		}

-	}

-

-}

-

-void LLPipeline::stateSort(LLSpatialBridge* bridge, LLCamera& camera)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);

-	if (bridge->getSpatialGroup()->changeLOD())

-	{

-		bool force_update = false;

-		bridge->updateDistance(camera, force_update);

-	}

-}

-

-void LLPipeline::stateSort(LLDrawable* drawablep, LLCamera& camera)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);

-		

-	if (!drawablep

-		|| drawablep->isDead() 

-		|| !hasRenderType(drawablep->getRenderType()))

-	{

-		return;

-	}

-	

-	if (LLSelectMgr::getInstance()->mHideSelectedObjects)

-	{

-		if (drawablep->getVObj().notNull() &&

-			drawablep->getVObj()->isSelected())

-		{

-			return;

-		}

-	}

-

-	if (drawablep->isAvatar())

-	{ //don't draw avatars beyond render distance or if we don't have a spatial group.

-		if ((drawablep->getSpatialGroup() == NULL) || 

-			(drawablep->getSpatialGroup()->mDistance > LLVOAvatar::sRenderDistance))

-		{

-			return;

-		}

-

-		LLVOAvatar* avatarp = (LLVOAvatar*) drawablep->getVObj().get();

-		if (!avatarp->isVisible())

-		{

-			return;

-		}

-	}

-

-	assertInitialized();

-

-	if (hasRenderType(drawablep->mRenderType))

-	{

-		if (!drawablep->isState(LLDrawable::INVISIBLE|LLDrawable::FORCE_INVISIBLE))

-		{

-			drawablep->setVisible(camera, NULL, FALSE);

-		}

-		else if (drawablep->isState(LLDrawable::CLEAR_INVISIBLE))

-		{

-			// clear invisible flag here to avoid single frame glitch

-			drawablep->clearState(LLDrawable::FORCE_INVISIBLE|LLDrawable::CLEAR_INVISIBLE);

-		}

-	}

-

-	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)

-	{

-		if (drawablep->isVisible())

-		{

-			if (!drawablep->isActive())

-			{

-				bool force_update = false;

-				drawablep->updateDistance(camera, force_update);

-			}

-			else if (drawablep->isAvatar())

-			{

-				bool force_update = false;

-				drawablep->updateDistance(camera, force_update); // calls vobj->updateLOD() which calls LLVOAvatar::updateVisibility()

-			}

-		}

-	}

-

-	if (!drawablep->getVOVolume())

-	{

-		for (LLDrawable::face_list_t::iterator iter = drawablep->mFaces.begin();

-				iter != drawablep->mFaces.end(); iter++)

-		{

-			LLFace* facep = *iter;

-

-			if (facep->hasGeometry())

-			{

-				if (facep->getPool())

-				{

-					facep->getPool()->enqueue(facep);

-				}

-				else

-				{

-					break;

-				}

-			}

-		}

-	}

-	

-

-	mNumVisibleFaces += drawablep->getNumFaces();

-}

-

-

-void forAllDrawables(LLCullResult::sg_list_t::iterator begin, 

-					 LLCullResult::sg_list_t::iterator end,

-					 void (*func)(LLDrawable*))

-{

-	for (LLCullResult::sg_list_t::iterator i = begin; i != end; ++i)

-	{

-		for (LLSpatialGroup::element_iter j = (*i)->getData().begin(); j != (*i)->getData().end(); ++j)

-		{

-			func(*j);	

-		}

-	}

-}

-

-void LLPipeline::forAllVisibleDrawables(void (*func)(LLDrawable*))

-{

-	forAllDrawables(sCull->beginDrawableGroups(), sCull->endDrawableGroups(), func);

-	forAllDrawables(sCull->beginVisibleGroups(), sCull->endVisibleGroups(), func);

-}

-

-//function for creating scripted beacons

-void renderScriptedBeacons(LLDrawable* drawablep)

-{

-	LLViewerObject *vobj = drawablep->getVObj();

-	if (vobj 

-		&& !vobj->isAvatar() 

-		&& !vobj->getParent()

-		&& vobj->flagScripted())

-	{

-		if (gPipeline.sRenderBeacons)

-		{

-			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 0.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));

-		}

-

-		if (gPipeline.sRenderHighlight)

-		{

-			S32 face_id;

-			S32 count = drawablep->getNumFaces();

-			for (face_id = 0; face_id < count; face_id++)

-			{

-				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );

-			}

-		}

-	}

-}

-

-void renderScriptedTouchBeacons(LLDrawable* drawablep)

-{

-	LLViewerObject *vobj = drawablep->getVObj();

-	if (vobj 

-		&& !vobj->isAvatar() 

-		&& !vobj->getParent()

-		&& vobj->flagScripted()

-		&& vobj->flagHandleTouch())

-	{

-		if (gPipeline.sRenderBeacons)

-		{

-			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 0.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));

-		}

-

-		if (gPipeline.sRenderHighlight)

-		{

-			S32 face_id;

-			S32 count = drawablep->getNumFaces();

-			for (face_id = 0; face_id < count; face_id++)

-			{

-				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );

-			}

-		}

-	}

-}

-

-void renderPhysicalBeacons(LLDrawable* drawablep)

-{

-	LLViewerObject *vobj = drawablep->getVObj();

-	if (vobj 

-		&& !vobj->isAvatar() 

-		//&& !vobj->getParent()

-		&& vobj->usePhysics())

-	{

-		if (gPipeline.sRenderBeacons)

-		{

-			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(0.f, 1.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));

-		}

-

-		if (gPipeline.sRenderHighlight)

-		{

-			S32 face_id;

-			S32 count = drawablep->getNumFaces();

-			for (face_id = 0; face_id < count; face_id++)

-			{

-				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );

-			}

-		}

-	}

-}

-

-void renderParticleBeacons(LLDrawable* drawablep)

-{

-	// Look for attachments, objects, etc.

-	LLViewerObject *vobj = drawablep->getVObj();

-	if (vobj 

-		&& vobj->isParticleSource())

-	{

-		if (gPipeline.sRenderBeacons)

-		{

-			LLColor4 light_blue(0.5f, 0.5f, 1.f, 0.5f);

-			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", light_blue, LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));

-		}

-

-		if (gPipeline.sRenderHighlight)

-		{

-			S32 face_id;

-			S32 count = drawablep->getNumFaces();

-			for (face_id = 0; face_id < count; face_id++)

-			{

-				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );

-			}

-		}

-	}

-}

-

-void renderSoundHighlights(LLDrawable* drawablep)

-{

-	// Look for attachments, objects, etc.

-	LLViewerObject *vobj = drawablep->getVObj();

-	if (vobj && vobj->isAudioSource())

-	{

-		if (gPipeline.sRenderHighlight)

-		{

-			S32 face_id;

-			S32 count = drawablep->getNumFaces();

-			for (face_id = 0; face_id < count; face_id++)

-			{

-				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );

-			}

-		}

-	}

-}

-

-void LLPipeline::postSort(LLCamera& camera)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_POST_SORT);

-	LLFastTimer ftm(FTM_STATESORT_POSTSORT);

-

-	assertInitialized();

-

-	llpushcallstacks ;

-	//rebuild drawable geometry

-	for (LLCullResult::sg_list_t::iterator i = sCull->beginDrawableGroups(); i != sCull->endDrawableGroups(); ++i)

-	{

-		LLSpatialGroup* group = *i;

-		if (!sUseOcclusion || 

-			!group->isOcclusionState(LLSpatialGroup::OCCLUDED))

-		{

-			group->rebuildGeom();

-		}

-	}

-	llpushcallstacks ;

-	//rebuild groups

-	sCull->assertDrawMapsEmpty();

-

-	rebuildPriorityGroups();

-	llpushcallstacks ;

-

-	const S32 bin_count = 1024*8;

-		

-	static LLCullResult::drawinfo_list_t alpha_bins[bin_count];

-	static U32 bin_size[bin_count];

-

-	//clear one bin per frame to avoid memory bloat

-	static S32 clear_idx = 0;

-	clear_idx = (1+clear_idx)%bin_count;

-	alpha_bins[clear_idx].clear();

-

-	for (U32 j = 0; j < bin_count; j++)

-	{

-		bin_size[j] = 0;

-	}

-

-	//build render map

-	for (LLCullResult::sg_list_t::iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)

-	{

-		LLSpatialGroup* group = *i;

-		if (sUseOcclusion && 

-			group->isOcclusionState(LLSpatialGroup::OCCLUDED))

-		{

-			continue;

-		}

-

-		if (group->isState(LLSpatialGroup::NEW_DRAWINFO) && group->isState(LLSpatialGroup::GEOM_DIRTY))

-		{ //no way this group is going to be drawable without a rebuild

-			group->rebuildGeom();

-		}

-

-		for (LLSpatialGroup::draw_map_t::iterator j = group->mDrawMap.begin(); j != group->mDrawMap.end(); ++j)

-		{

-			LLSpatialGroup::drawmap_elem_t& src_vec = j->second;	

-			if (!hasRenderType(j->first))

-			{

-				continue;

-			}

-			

-			for (LLSpatialGroup::drawmap_elem_t::iterator k = src_vec.begin(); k != src_vec.end(); ++k)

-			{

-				if (sMinRenderSize > 0.f)

-				{

-					LLVector4a bounds;

-					bounds.setSub((*k)->mExtents[1],(*k)->mExtents[0]);

-

-					if (llmax(llmax(bounds[0], bounds[1]), bounds[2]) > sMinRenderSize)

-					{

-						sCull->pushDrawInfo(j->first, *k);

-					}

-				}

-				else

-				{

-					sCull->pushDrawInfo(j->first, *k);

-				}

-			}

-		}

-

-		if (hasRenderType(LLPipeline::RENDER_TYPE_PASS_ALPHA))

-		{

-			LLSpatialGroup::draw_map_t::iterator alpha = group->mDrawMap.find(LLRenderPass::PASS_ALPHA);

-			

-			if (alpha != group->mDrawMap.end())

-			{ //store alpha groups for sorting

-				LLSpatialBridge* bridge = group->mSpatialPartition->asBridge();

-				if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)

-				{

-					if (bridge)

-					{

-						LLCamera trans_camera = bridge->transformCamera(camera);

-						group->updateDistance(trans_camera);

-					}

-					else

-					{

-						group->updateDistance(camera);

-					}

-				}

-							

-				if (hasRenderType(LLDrawPool::POOL_ALPHA))

-				{

-					sCull->pushAlphaGroup(group);

-				}

-			}

-		}

-	}

-		

-	if (!sShadowRender)

-	{

-		//sort by texture or bump map

-		for (U32 i = 0; i < LLRenderPass::NUM_RENDER_TYPES; ++i)

-		{

-			if (i == LLRenderPass::PASS_BUMP)

-			{

-				std::sort(sCull->beginRenderMap(i), sCull->endRenderMap(i), LLDrawInfo::CompareBump());

-			}

-			else 

-			{

-				std::sort(sCull->beginRenderMap(i), sCull->endRenderMap(i), LLDrawInfo::CompareTexturePtrMatrix());

-			}	

-		}

-

-		std::sort(sCull->beginAlphaGroups(), sCull->endAlphaGroups(), LLSpatialGroup::CompareDepthGreater());

-	}

-	llpushcallstacks ;

-	// only render if the flag is set. The flag is only set if we are in edit mode or the toggle is set in the menus

-	if (LLFloaterReg::instanceVisible("beacons") && !sShadowRender)

-	{

-		if (sRenderScriptedTouchBeacons)

-		{

-			// Only show the beacon on the root object.

-			forAllVisibleDrawables(renderScriptedTouchBeacons);

-		}

-		else

-		if (sRenderScriptedBeacons)

-		{

-			// Only show the beacon on the root object.

-			forAllVisibleDrawables(renderScriptedBeacons);

-		}

-

-		if (sRenderPhysicalBeacons)

-		{

-			// Only show the beacon on the root object.

-			forAllVisibleDrawables(renderPhysicalBeacons);

-		}

-

-		if (sRenderParticleBeacons)

-		{

-			forAllVisibleDrawables(renderParticleBeacons);

-		}

-

-		// If god mode, also show audio cues

-		if (sRenderSoundBeacons && gAudiop)

-		{

-			// Walk all sound sources and render out beacons for them. Note, this isn't done in the ForAllVisibleDrawables function, because some are not visible.

-			LLAudioEngine::source_map::iterator iter;

-			for (iter = gAudiop->mAllSources.begin(); iter != gAudiop->mAllSources.end(); ++iter)

-			{

-				LLAudioSource *sourcep = iter->second;

-

-				LLVector3d pos_global = sourcep->getPositionGlobal();

-				LLVector3 pos = gAgent.getPosAgentFromGlobal(pos_global);

-				if (gPipeline.sRenderBeacons)

-				{

-					//pos += LLVector3(0.f, 0.f, 0.2f);

-					gObjectList.addDebugBeacon(pos, "", LLColor4(1.f, 1.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));

-				}

-			}

-			// now deal with highlights for all those seeable sound sources

-			forAllVisibleDrawables(renderSoundHighlights);

-		}

-	}

-	llpushcallstacks ;

-	// If managing your telehub, draw beacons at telehub and currently selected spawnpoint.

-	if (LLFloaterTelehub::renderBeacons())

-	{

-		LLFloaterTelehub::addBeacons();

-	}

-

-	if (!sShadowRender)

-	{

-		mSelectedFaces.clear();

-		

-		// Draw face highlights for selected faces.

-		if (LLSelectMgr::getInstance()->getTEMode())

-		{

-			struct f : public LLSelectedTEFunctor

-			{

-				virtual bool apply(LLViewerObject* object, S32 te)

-				{

-					if (object->mDrawable)

-					{

-						gPipeline.mSelectedFaces.push_back(object->mDrawable->getFace(te));

-					}

-					return true;

-				}

-			} func;

-			LLSelectMgr::getInstance()->getSelection()->applyToTEs(&func);

-		}

-	}

-

-	//LLSpatialGroup::sNoDelete = FALSE;

-	llpushcallstacks ;

-}

-

-

-void render_hud_elements()

-{

-	LLMemType mt_rhe(LLMemType::MTYPE_PIPELINE_RENDER_HUD_ELS);

-	LLFastTimer t(FTM_RENDER_UI);

-	gPipeline.disableLights();		

-	

-	LLGLDisable fog(GL_FOG);

-	LLGLSUIDefault gls_ui;

-

-	LLGLEnable stencil(GL_STENCIL_TEST);

-	glStencilFunc(GL_ALWAYS, 255, 0xFFFFFFFF);

-	glStencilMask(0xFFFFFFFF);

-	glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);

-	

-	gGL.color4f(1,1,1,1);

-	if (!LLPipeline::sReflectionRender && gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))

-	{

-		LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);

-		gViewerWindow->renderSelections(FALSE, FALSE, FALSE); // For HUD version in render_ui_3d()

-	

-		// Draw the tracking overlays

-		LLTracker::render3D();

-		

-		// Show the property lines

-		LLWorld::getInstance()->renderPropertyLines();

-		LLViewerParcelMgr::getInstance()->render();

-		LLViewerParcelMgr::getInstance()->renderParcelCollision();

-	

-		// Render name tags.

-		LLHUDObject::renderAll();

-	}

-	else if (gForceRenderLandFence)

-	{

-		// This is only set when not rendering the UI, for parcel snapshots

-		LLViewerParcelMgr::getInstance()->render();

-	}

-	else if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))

-	{

-		LLHUDText::renderAllHUD();

-	}

-	gGL.flush();

-}

-

-void LLPipeline::renderHighlights()

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_RENDER_HL);

-

-	assertInitialized();

-

-	// Draw 3D UI elements here (before we clear the Z buffer in POOL_HUD)

-	// Render highlighted faces.

-	LLGLSPipelineAlpha gls_pipeline_alpha;

-	LLColor4 color(1.f, 1.f, 1.f, 0.5f);

-	LLGLEnable color_mat(GL_COLOR_MATERIAL);

-	disableLights();

-

-	if (!hasRenderType(LLPipeline::RENDER_TYPE_HUD) && !mHighlightSet.empty())

-	{ //draw blurry highlight image over screen

-		LLGLEnable blend(GL_BLEND);

-		LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);

-		LLGLDisable test(GL_ALPHA_TEST);

-

-		LLGLEnable stencil(GL_STENCIL_TEST);

-		gGL.flush();

-		glStencilMask(0xFFFFFFFF);

-		glClearStencil(1);

-		glClear(GL_STENCIL_BUFFER_BIT);

-

-		glStencilFunc(GL_ALWAYS, 0, 0xFFFFFFFF);

-		glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);

-				

-		gGL.setColorMask(false, false);

-		for (std::set<HighlightItem>::iterator iter = mHighlightSet.begin(); iter != mHighlightSet.end(); ++iter)

-		{

-			renderHighlight(iter->mItem->getVObj(), 1.f);

-		}

-		gGL.setColorMask(true, false);

-

-		glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);

-		glStencilFunc(GL_NOTEQUAL, 0, 0xFFFFFFFF);

-		

-		//gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);

-

-		gGL.pushMatrix();

-		glLoadIdentity();

-		glMatrixMode(GL_PROJECTION);

-		gGL.pushMatrix();

-		glLoadIdentity();

-

-		gGL.getTexUnit(0)->bind(&mHighlight);

-

-		LLVector2 tc1;

-		LLVector2 tc2;

-

-		tc1.setVec(0,0);

-		tc2.setVec(2,2);

-

-		gGL.begin(LLRender::TRIANGLES);

-				

-		F32 scale = gSavedSettings.getF32("RenderHighlightBrightness");

-		LLColor4 color = gSavedSettings.getColor4("RenderHighlightColor");

-		F32 thickness = gSavedSettings.getF32("RenderHighlightThickness");

-

-		for (S32 pass = 0; pass < 2; ++pass)

-		{

-			if (pass == 0)

-			{

-				gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);

-			}

-			else

-			{

-				gGL.setSceneBlendType(LLRender::BT_ALPHA);

-			}

-

-			for (S32 i = 0; i < 8; ++i)

-			{

-				for (S32 j = 0; j < 8; ++j)

-				{

-					LLVector2 tc(i-4+0.5f, j-4+0.5f);

-

-					F32 dist = 1.f-(tc.length()/sqrtf(32.f));

-					dist *= scale/64.f;

-

-					tc *= thickness;

-					tc.mV[0] = (tc.mV[0])/mHighlight.getWidth();

-					tc.mV[1] = (tc.mV[1])/mHighlight.getHeight();

-

-					gGL.color4f(color.mV[0],

-								color.mV[1],

-								color.mV[2],

-								color.mV[3]*dist);

-					

-					gGL.texCoord2f(tc.mV[0]+tc1.mV[0], tc.mV[1]+tc2.mV[1]);

-					gGL.vertex2f(-1,3);

-					

-					gGL.texCoord2f(tc.mV[0]+tc1.mV[0], tc.mV[1]+tc1.mV[1]);

-					gGL.vertex2f(-1,-1);

-					

-					gGL.texCoord2f(tc.mV[0]+tc2.mV[0], tc.mV[1]+tc1.mV[1]);

-					gGL.vertex2f(3,-1);

-				}

-			}

-		}

-

-		gGL.end();

-

-		gGL.popMatrix();

-		glMatrixMode(GL_MODELVIEW);

-		gGL.popMatrix();

-		

-		//gGL.setSceneBlendType(LLRender::BT_ALPHA);

-	}

-

-	if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))

-	{

-		gHighlightProgram.bind();

-		gHighlightProgram.vertexAttrib4f(LLViewerShaderMgr::MATERIAL_COLOR,1,1,1,0.5f);

-	}

-	

-	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED))

-	{

-		// Make sure the selection image gets downloaded and decoded

-		if (!mFaceSelectImagep)

-		{

-			mFaceSelectImagep = LLViewerTextureManager::getFetchedTexture(IMG_FACE_SELECT);

-		}

-		mFaceSelectImagep->addTextureStats((F32)MAX_IMAGE_AREA);

-

-		U32 count = mSelectedFaces.size();

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

-		{

-			LLFace *facep = mSelectedFaces[i];

-			if (!facep || facep->getDrawable()->isDead())

-			{

-				llerrs << "Bad face on selection" << llendl;

-				return;

-			}

-			

-			facep->renderSelected(mFaceSelectImagep, color);

-		}

-	}

-

-	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED))

-	{

-		// Paint 'em red!

-		color.setVec(1.f, 0.f, 0.f, 0.5f);

-		if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))

-		{

-			gHighlightProgram.vertexAttrib4f(LLViewerShaderMgr::MATERIAL_COLOR,1,0,0,0.5f);

-		}

-		int count = mHighlightFaces.size();

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

-		{

-			LLFace* facep = mHighlightFaces[i];

-			facep->renderSelected(LLViewerTexture::sNullImagep, color);

-		}

-	}

-

-	// Contains a list of the faces of objects that are physical or

-	// have touch-handlers.

-	mHighlightFaces.clear();

-

-	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0)

-	{

-		gHighlightProgram.unbind();

-	}

-}

-

-//debug use

-U32 LLPipeline::sCurRenderPoolType = 0 ;

-

-void LLPipeline::renderGeom(LLCamera& camera, BOOL forceVBOUpdate)

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_RENDER_GEOM);

-	LLFastTimer t(FTM_RENDER_GEOMETRY);

-

-	assertInitialized();

-

-	F64 saved_modelview[16];

-	F64 saved_projection[16];

-

-	//HACK: preserve/restore matrices around HUD render

-	if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))

-	{

-		for (U32 i = 0; i < 16; i++)

-		{

-			saved_modelview[i] = gGLModelView[i];

-			saved_projection[i] = gGLProjection[i];

-		}

-	}

-

-	S32 stack_depth = 0;

-

-	if (gDebugGL)

-	{

-		glGetIntegerv(GL_MODELVIEW_STACK_DEPTH, &stack_depth);

-	}

-

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

-	//

-	// Sync and verify GL state

-	//

-	//

-

-	stop_glerror();

-

-	LLVertexBuffer::unbind();

-

-	// Do verification of GL state

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-	LLGLState::checkClientArrays();

-	if (mRenderDebugMask & RENDER_DEBUG_VERIFY)

-	{

-		if (!verify())

-		{

-			llerrs << "Pipeline verification failed!" << llendl;

-		}

-	}

-

-	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:ForceVBO");

-	

-	// Initialize lots of GL state to "safe" values

-	glMatrixMode(GL_TEXTURE);

-	glLoadIdentity();

-	glMatrixMode(GL_MODELVIEW);

-

-	LLGLSPipeline gls_pipeline;

-	LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);

-

-	LLGLState gls_color_material(GL_COLOR_MATERIAL, mLightingDetail < 2);

-				

-	// Toggle backface culling for debugging

-	LLGLEnable cull_face(mBackfaceCull ? GL_CULL_FACE : 0);

-	// Set fog

-	BOOL use_fog = hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FOG);

-	LLGLEnable fog_enable(use_fog &&

-						  !gPipeline.canUseWindLightShadersOnObjects() ? GL_FOG : 0);

-	gSky.updateFog(camera.getFar());

-	if (!use_fog)

-	{

-		sUnderWaterRender = FALSE;

-	}

-

-	gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sDefaultImagep);

-	LLViewerFetchedTexture::sDefaultImagep->setAddressMode(LLTexUnit::TAM_WRAP);

-	

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

-	//

-	// Actually render all of the geometry

-	//

-	//	

-	stop_glerror();

-	

-	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderDrawPools");

-

-	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

-	{

-		LLDrawPool *poolp = *iter;

-		if (hasRenderType(poolp->getType()))

-		{

-			poolp->prerender();

-		}

-	}

-

-	{

-		LLFastTimer t(FTM_POOLS);

-		

-		// HACK: don't calculate local lights if we're rendering the HUD!

-		//    Removing this check will cause bad flickering when there are 

-		//    HUD elements being rendered AND the user is in flycam mode  -nyx

-		if (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))

-		{

-			calcNearbyLights(camera);

-			setupHWLights(NULL);

-		}

-

-		BOOL occlude = sUseOcclusion > 1;

-		U32 cur_type = 0;

-

-		pool_set_t::iterator iter1 = mPools.begin();

-		while ( iter1 != mPools.end() )

-		{

-			LLDrawPool *poolp = *iter1;

-			

-			cur_type = poolp->getType();

-

-			//debug use

-			sCurRenderPoolType = cur_type ;

-

-			if (occlude && cur_type >= LLDrawPool::POOL_GRASS)

-			{

-				occlude = FALSE;

-				gGLLastMatrix = NULL;

-				glLoadMatrixd(gGLModelView);

-				doOcclusion(camera);

-			}

-

-			pool_set_t::iterator iter2 = iter1;

-			if (hasRenderType(poolp->getType()) && poolp->getNumPasses() > 0)

-			{

-				LLFastTimer t(FTM_POOLRENDER);

-

-				gGLLastMatrix = NULL;

-				glLoadMatrixd(gGLModelView);

-			

-				for( S32 i = 0; i < poolp->getNumPasses(); i++ )

-				{

-					LLVertexBuffer::unbind();

-					poolp->beginRenderPass(i);

-					for (iter2 = iter1; iter2 != mPools.end(); iter2++)

-					{

-						LLDrawPool *p = *iter2;

-						if (p->getType() != cur_type)

-						{

-							break;

-						}

-						

-						p->render(i);

-					}

-					poolp->endRenderPass(i);

-					LLVertexBuffer::unbind();

-					if (gDebugGL)

-					{

-						check_stack_depth(stack_depth);

-						std::string msg = llformat("%s pass %d", gPoolNames[cur_type].c_str(), i);

-						LLGLState::checkStates(msg);

-						LLGLState::checkTextureChannels(msg);

-						LLGLState::checkClientArrays(msg);

-					}

-				}

-			}

-			else

-			{

-				// Skip all pools of this type

-				for (iter2 = iter1; iter2 != mPools.end(); iter2++)

-				{

-					LLDrawPool *p = *iter2;

-					if (p->getType() != cur_type)

-					{

-						break;

-					}

-				}

-			}

-			iter1 = iter2;

-			stop_glerror();

-		}

-		

-		LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderDrawPoolsEnd");

-

-		LLVertexBuffer::unbind();

-			

-		gGLLastMatrix = NULL;

-		glLoadMatrixd(gGLModelView);

-

-		if (occlude)

-		{

-			occlude = FALSE;

-			gGLLastMatrix = NULL;

-			glLoadMatrixd(gGLModelView);

-			doOcclusion(camera);

-		}

-	}

-

-	LLVertexBuffer::unbind();

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-	LLGLState::checkClientArrays();

-

-	

-

-	stop_glerror();

-		

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-	LLGLState::checkClientArrays();

-

-	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderHighlights");

-

-	if (!sReflectionRender)

-	{

-		renderHighlights();

-	}

-

-	// Contains a list of the faces of objects that are physical or

-	// have touch-handlers.

-	mHighlightFaces.clear();

-

-	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderDebug");

-	

-	renderDebug();

-

-	LLVertexBuffer::unbind();

-	

-	if (!LLPipeline::sReflectionRender && !LLPipeline::sRenderDeferred)

-	{

-		if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))

-		{

-			// Render debugging beacons.

-			gObjectList.renderObjectBeacons();

-			gObjectList.resetObjectBeacons();

-		}

-		else

-		{

-			// Make sure particle effects disappear

-			LLHUDObject::renderAllForTimer();

-		}

-	}

-	else

-	{

-		// Make sure particle effects disappear

-		LLHUDObject::renderAllForTimer();

-	}

-

-	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderGeomEnd");

-

-	//HACK: preserve/restore matrices around HUD render

-	if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))

-	{

-		for (U32 i = 0; i < 16; i++)

-		{

-			gGLModelView[i] = saved_modelview[i];

-			gGLProjection[i] = saved_projection[i];

-		}

-	}

-

-	LLVertexBuffer::unbind();

-

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-	LLGLState::checkClientArrays();

-}

-

-void LLPipeline::renderGeomDeferred(LLCamera& camera)

-{

-	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderGeomDeferred");

-

-	LLMemType mt_rgd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED);

-	LLFastTimer t(FTM_RENDER_GEOMETRY);

-

-	LLFastTimer t2(FTM_POOLS);

-

-	LLGLEnable cull(GL_CULL_FACE);

-

-	LLGLEnable stencil(GL_STENCIL_TEST);

-	glStencilFunc(GL_ALWAYS, 1, 0xFFFFFFFF);

-	stop_glerror();

-	glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);

-	stop_glerror();

-

-	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

-	{

-		LLDrawPool *poolp = *iter;

-		if (hasRenderType(poolp->getType()))

-		{

-			poolp->prerender();

-		}

-	}

-

-	LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);

-

-	LLVertexBuffer::unbind();

-

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-	LLGLState::checkClientArrays();

-

-	U32 cur_type = 0;

-

-	gGL.setColorMask(true, true);

-	

-	pool_set_t::iterator iter1 = mPools.begin();

-

-	while ( iter1 != mPools.end() )

-	{

-		LLDrawPool *poolp = *iter1;

-		

-		cur_type = poolp->getType();

-

-		pool_set_t::iterator iter2 = iter1;

-		if (hasRenderType(poolp->getType()) && poolp->getNumDeferredPasses() > 0)

-		{

-			LLFastTimer t(FTM_POOLRENDER);

-

-			gGLLastMatrix = NULL;

-			glLoadMatrixd(gGLModelView);

-		

-			for( S32 i = 0; i < poolp->getNumDeferredPasses(); i++ )

-			{

-				LLVertexBuffer::unbind();

-				poolp->beginDeferredPass(i);

-				for (iter2 = iter1; iter2 != mPools.end(); iter2++)

-				{

-					LLDrawPool *p = *iter2;

-					if (p->getType() != cur_type)

-					{

-						break;

-					}

-										

-					p->renderDeferred(i);

-				}

-				poolp->endDeferredPass(i);

-				LLVertexBuffer::unbind();

-

-				if (gDebugGL || gDebugPipeline)

-				{

-					GLint depth;

-					glGetIntegerv(GL_MODELVIEW_STACK_DEPTH, &depth);

-					if (depth > 3)

-					{

-						llerrs << "GL matrix stack corrupted!" << llendl;

-					}

-					LLGLState::checkStates();

-					LLGLState::checkTextureChannels();

-					LLGLState::checkClientArrays();

-				}

-			}

-		}

-		else

-		{

-			// Skip all pools of this type

-			for (iter2 = iter1; iter2 != mPools.end(); iter2++)

-			{

-				LLDrawPool *p = *iter2;

-				if (p->getType() != cur_type)

-				{

-					break;

-				}

-			}

-		}

-		iter1 = iter2;

-		stop_glerror();

-	}

-

-	gGLLastMatrix = NULL;

-	glLoadMatrixd(gGLModelView);

-

-	gGL.setColorMask(true, false);

-}

-

-void LLPipeline::renderGeomPostDeferred(LLCamera& camera)

-{

-	LLMemType mt_rgpd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_POST_DEF);

-	LLFastTimer t(FTM_POOLS);

-	U32 cur_type = 0;

-

-	LLGLEnable cull(GL_CULL_FACE);

-

-	LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);

-

-	calcNearbyLights(camera);

-	setupHWLights(NULL);

-

-	gGL.setColorMask(true, false);

-

-	pool_set_t::iterator iter1 = mPools.begin();

-	BOOL occlude = LLPipeline::sUseOcclusion > 1;

-

-	while ( iter1 != mPools.end() )

-	{

-		LLDrawPool *poolp = *iter1;

-		

-		cur_type = poolp->getType();

-

-		if (occlude && cur_type >= LLDrawPool::POOL_GRASS)

-		{

-			occlude = FALSE;

-			gGLLastMatrix = NULL;

-			glLoadMatrixd(gGLModelView);

-			doOcclusion(camera);

-			gGL.setColorMask(true, false);

-		}

-

-		pool_set_t::iterator iter2 = iter1;

-		if (hasRenderType(poolp->getType()) && poolp->getNumPostDeferredPasses() > 0)

-		{

-			LLFastTimer t(FTM_POOLRENDER);

-

-			gGLLastMatrix = NULL;

-			glLoadMatrixd(gGLModelView);

-		

-			for( S32 i = 0; i < poolp->getNumPostDeferredPasses(); i++ )

-			{

-				LLVertexBuffer::unbind();

-				poolp->beginPostDeferredPass(i);

-				for (iter2 = iter1; iter2 != mPools.end(); iter2++)

-				{

-					LLDrawPool *p = *iter2;

-					if (p->getType() != cur_type)

-					{

-						break;

-					}

-										

-					p->renderPostDeferred(i);

-				}

-				poolp->endPostDeferredPass(i);

-				LLVertexBuffer::unbind();

-

-				if (gDebugGL || gDebugPipeline)

-				{

-					GLint depth;

-					glGetIntegerv(GL_MODELVIEW_STACK_DEPTH, &depth);

-					if (depth > 3)

-					{

-						llerrs << "GL matrix stack corrupted!" << llendl;

-					}

-					LLGLState::checkStates();

-					LLGLState::checkTextureChannels();

-					LLGLState::checkClientArrays();

-				}

-			}

-		}

-		else

-		{

-			// Skip all pools of this type

-			for (iter2 = iter1; iter2 != mPools.end(); iter2++)

-			{

-				LLDrawPool *p = *iter2;

-				if (p->getType() != cur_type)

-				{

-					break;

-				}

-			}

-		}

-		iter1 = iter2;

-		stop_glerror();

-	}

-

-	gGLLastMatrix = NULL;

-	glLoadMatrixd(gGLModelView);

-

-	if (occlude)

-	{

-		occlude = FALSE;

-		gGLLastMatrix = NULL;

-		glLoadMatrixd(gGLModelView);

-		doOcclusion(camera);

-		gGLLastMatrix = NULL;

-		glLoadMatrixd(gGLModelView);

-	}

-}

-

-void LLPipeline::renderGeomShadow(LLCamera& camera)

-{

-	LLMemType mt_rgs(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_SHADOW);

-	U32 cur_type = 0;

-	

-	LLGLEnable cull(GL_CULL_FACE);

-

-	LLVertexBuffer::unbind();

-

-	pool_set_t::iterator iter1 = mPools.begin();

-	

-	while ( iter1 != mPools.end() )

-	{

-		LLDrawPool *poolp = *iter1;

-		

-		cur_type = poolp->getType();

-

-		pool_set_t::iterator iter2 = iter1;

-		if (hasRenderType(poolp->getType()) && poolp->getNumShadowPasses() > 0)

-		{

-			gGLLastMatrix = NULL;

-			glLoadMatrixd(gGLModelView);

-		

-			for( S32 i = 0; i < poolp->getNumShadowPasses(); i++ )

-			{

-				LLVertexBuffer::unbind();

-				poolp->beginShadowPass(i);

-				for (iter2 = iter1; iter2 != mPools.end(); iter2++)

-				{

-					LLDrawPool *p = *iter2;

-					if (p->getType() != cur_type)

-					{

-						break;

-					}

-										

-					p->renderShadow(i);

-				}

-				poolp->endShadowPass(i);

-				LLVertexBuffer::unbind();

-

-				LLGLState::checkStates();

-				LLGLState::checkTextureChannels();

-				LLGLState::checkClientArrays();

-			}

-		}

-		else

-		{

-			// Skip all pools of this type

-			for (iter2 = iter1; iter2 != mPools.end(); iter2++)

-			{

-				LLDrawPool *p = *iter2;

-				if (p->getType() != cur_type)

-				{

-					break;

-				}

-			}

-		}

-		iter1 = iter2;

-		stop_glerror();

-	}

-

-	gGLLastMatrix = NULL;

-	glLoadMatrixd(gGLModelView);

-}

-

-

-void LLPipeline::addTrianglesDrawn(S32 index_count, U32 render_type)

-{

-	assertInitialized();

-	S32 count = 0;

-	if (render_type == LLRender::TRIANGLE_STRIP)

-	{

-		count = index_count-2;

-	}

-	else

-	{

-		count = index_count/3;

-	}

-

-	mTrianglesDrawn += count;

-	mBatchCount++;

-	mMaxBatchSize = llmax(mMaxBatchSize, count);

-	mMinBatchSize = llmin(mMinBatchSize, count);

-

-	if (LLPipeline::sRenderFrameTest)

-	{

-		gViewerWindow->getWindow()->swapBuffers();

-		ms_sleep(16);

-	}

-}

-

-void LLPipeline::renderPhysicsDisplay()

-{

-	if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))

-	{

-		return;

-	}

-

-	allocatePhysicsBuffer();

-

-	gGL.flush();

-	mPhysicsDisplay.bindTarget();

-	glClearColor(0,0,0,1);

-	gGL.setColorMask(true, true);

-	mPhysicsDisplay.clear();

-	glClearColor(0,0,0,0);

-

-	gGL.setColorMask(true, false);

-

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				if (hasRenderType(part->mDrawableType))

-				{

-					part->renderPhysicsShapes();

-				}

-			}

-		}

-	}

-

-	for (LLCullResult::bridge_list_t::const_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)

-	{

-		LLSpatialBridge* bridge = *i;

-		if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))

-		{

-			glPushMatrix();

-			glMultMatrixf((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);

-			bridge->renderPhysicsShapes();

-			glPopMatrix();

-		}

-	}

-

-

-	gGL.flush();

-	mPhysicsDisplay.flush();

-}

-

-

-void LLPipeline::renderDebug()

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE);

-

-	assertInitialized();

-

-	gGL.color4f(1,1,1,1);

-

-	gGLLastMatrix = NULL;

-	glLoadMatrixd(gGLModelView);

-	gGL.setColorMask(true, false);

-

-	// Debug stuff.

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				if (hasRenderType(part->mDrawableType))

-				{

-					part->renderDebug();

-				}

-			}

-		}

-	}

-

-	for (LLCullResult::bridge_list_t::const_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)

-	{

-		LLSpatialBridge* bridge = *i;

-		if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))

-		{

-			glPushMatrix();

-			glMultMatrixf((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);

-			bridge->renderDebug();

-			glPopMatrix();

-		}

-	}

-

-	if (gSavedSettings.getBOOL("DebugShowUploadCost"))

-	{

-		std::set<LLUUID> textures;

-		std::set<LLUUID> sculpts;

-		std::set<LLUUID> meshes;

-		

-		BOOL selected = TRUE;

-		if (LLSelectMgr::getInstance()->getSelection()->isEmpty())

-		{

-			selected = FALSE;

-		}

-			

-		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			LLSpatialGroup::OctreeNode* node = group->mOctreeNode;

-			for (LLSpatialGroup::OctreeNode::element_iter elem = node->getData().begin(); elem != node->getData().end(); ++elem)

-			{

-				LLDrawable* drawable = *elem;

-				LLVOVolume* volume = drawable->getVOVolume();

-				if (volume && volume->isSelected() == selected)

-				{

-					for (U32 i = 0; i < volume->getNumTEs(); ++i)

-					{

-						LLTextureEntry* te = volume->getTE(i);

-						textures.insert(te->getID());

-					}

-

-					if (volume->isSculpted())

-					{

-						LLUUID sculpt_id = volume->getVolume()->getParams().getSculptID();

-						if (volume->isMesh())

-						{

-							meshes.insert(sculpt_id);

-						}

-						else

-						{

-							sculpts.insert(sculpt_id);

-						}

-					}

-				}

-			}

-		}

-

-		gPipeline.mDebugTextureUploadCost = textures.size() * 10;

-		gPipeline.mDebugSculptUploadCost = sculpts.size()*10;

-		

-		U32 mesh_cost = 0;

-

-		for (std::set<LLUUID>::iterator iter = meshes.begin(); iter != meshes.end(); ++iter)

-		{

-			mesh_cost += gMeshRepo.getResourceCost(*iter)*10;

-		}

-

-		gPipeline.mDebugMeshUploadCost = mesh_cost;

-	}

-

-	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))

-	{

-		LLVertexBuffer::unbind();

-

-		LLGLEnable blend(GL_BLEND);

-		LLGLDepthTest depth(TRUE, FALSE);

-		LLGLDisable cull(GL_CULL_FACE);

-

-		gGL.color4f(1,1,1,1);

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

-				

-		F32 a = 0.1f;

-

-		F32 col[] =

-		{

-			1,0,0,a,

-			0,1,0,a,

-			0,0,1,a,

-			1,0,1,a,

-			

-			1,1,0,a,

-			0,1,1,a,

-			1,1,1,a,

-			1,0,1,a,

-		};

-

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

-		{

-			LLVector3* frust = mShadowCamera[i].mAgentFrustum;

-

-			if (i > 3)

-			{ //render shadow frusta as volumes

-				if (mShadowFrustPoints[i-4].empty())

-			{

-					continue;

-				}

-

-				gGL.color4fv(col+(i-4)*4);	

-			

-				gGL.begin(LLRender::TRIANGLE_STRIP);

-				gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);

-				gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);

-				gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);

-				gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);

-				gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);

-				gGL.end();

-				

-				

-				gGL.begin(LLRender::TRIANGLE_STRIP);

-				gGL.vertex3fv(frust[0].mV);

-				gGL.vertex3fv(frust[1].mV);

-				gGL.vertex3fv(frust[3].mV);

-				gGL.vertex3fv(frust[2].mV);

-				gGL.end();

-				

-				gGL.begin(LLRender::TRIANGLE_STRIP);

-				gGL.vertex3fv(frust[4].mV);

-				gGL.vertex3fv(frust[5].mV);

-				gGL.vertex3fv(frust[7].mV);

-				gGL.vertex3fv(frust[6].mV);

-				gGL.end();		

-			}

-

-	

-			if (i < 4)

-			{

-				

-				//if (i == 0 || !mShadowFrustPoints[i].empty())

-				{

-					//render visible point cloud

-					gGL.flush();

-					glPointSize(8.f);

-					gGL.begin(LLRender::POINTS);

-					

-					F32* c = col+i*4;

-					gGL.color3fv(c);

-

-					for (U32 j = 0; j < mShadowFrustPoints[i].size(); ++j)

-						{

-							gGL.vertex3fv(mShadowFrustPoints[i][j].mV);

-						

-						}

-					gGL.end();

-

-					gGL.flush();

-					glPointSize(1.f);

-

-					LLVector3* ext = mShadowExtents[i]; 

-					LLVector3 pos = (ext[0]+ext[1])*0.5f;

-					LLVector3 size = (ext[1]-ext[0])*0.5f;

-					drawBoxOutline(pos, size);

-

-					//render camera frustum splits as outlines

-					gGL.begin(LLRender::LINES);

-					gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[1].mV);

-					gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[2].mV);

-					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[3].mV);

-					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[0].mV);

-					gGL.vertex3fv(frust[4].mV); gGL.vertex3fv(frust[5].mV);

-					gGL.vertex3fv(frust[5].mV); gGL.vertex3fv(frust[6].mV);

-					gGL.vertex3fv(frust[6].mV); gGL.vertex3fv(frust[7].mV);

-					gGL.vertex3fv(frust[7].mV); gGL.vertex3fv(frust[4].mV);

-					gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);

-					gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);

-					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);

-					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);

-					gGL.end();

-				}

-			}

-

-			/*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;

-				for (U32 j = 0; j < LLViewerRegion::NUM_PARTITIONS; j++)

-				{

-					LLSpatialPartition* part = region->getSpatialPartition(j);

-					if (part)

-					{

-						if (hasRenderType(part->mDrawableType))

-						{

-							part->renderIntersectingBBoxes(&mShadowCamera[i]);

-						}

-					}

-				}

-			}

-			gGL.flush();

-			glLineWidth(1.f);*/

-		}

-	}

-

-	if (mRenderDebugMask & RENDER_DEBUG_COMPOSITION)

-	{

-		// Debug composition layers

-		F32 x, y;

-

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

-

-		if (gAgent.getRegion())

-		{

-			gGL.begin(LLRender::POINTS);

-			// Draw the composition layer for the region that I'm in.

-			for (x = 0; x <= 260; x++)

-			{

-				for (y = 0; y <= 260; y++)

-				{

-					if ((x > 255) || (y > 255))

-					{

-						gGL.color4f(1.f, 0.f, 0.f, 1.f);

-					}

-					else

-					{

-						gGL.color4f(0.f, 0.f, 1.f, 1.f);

-					}

-					F32 z = gAgent.getRegion()->getCompositionXY((S32)x, (S32)y);

-					z *= 5.f;

-					z += 50.f;

-					gGL.vertex3f(x, y, z);

-				}

-			}

-			gGL.end();

-		}

-	}

-

-	if (mRenderDebugMask & LLPipeline::RENDER_DEBUG_BUILD_QUEUE)

-	{

-		U32 count = 0;

-		U32 size = mGroupQ2.size();

-		LLColor4 col;

-

-		LLVertexBuffer::unbind();

-		LLGLEnable blend(GL_BLEND);

-		gGL.setSceneBlendType(LLRender::BT_ALPHA);

-		LLGLDepthTest depth(GL_TRUE, GL_FALSE);

-		gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep);

-		

-		gGL.pushMatrix();

-		glLoadMatrixd(gGLModelView);

-		gGLLastMatrix = NULL;

-

-		for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ2.begin(); iter != mGroupQ2.end(); ++iter)

-		{

-			LLSpatialGroup* group = *iter;

-			if (group->isDead())

-			{

-				continue;

-			}

-

-			LLSpatialBridge* bridge = group->mSpatialPartition->asBridge();

-

-			if (bridge && (!bridge->mDrawable || bridge->mDrawable->isDead()))

-			{

-				continue;

-			}

-

-			if (bridge)

-			{

-				gGL.pushMatrix();

-				glMultMatrixf((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);

-			}

-

-			F32 alpha = llclamp((F32) (size-count)/size, 0.f, 1.f);

-

-			

-			LLVector2 c(1.f-alpha, alpha);

-			c.normVec();

-

-			

-			++count;

-			col.set(c.mV[0], c.mV[1], 0, alpha*0.5f+0.5f);

-			group->drawObjectBox(col);

-

-			if (bridge)

-			{

-				gGL.popMatrix();

-			}

-		}

-

-		gGL.popMatrix();

-	}

-

-	gGL.flush();

-

-	gPipeline.renderPhysicsDisplay();

-}

-

-void LLPipeline::rebuildPools()

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_REBUILD_POOLS);

-

-	assertInitialized();

-

-	S32 max_count = mPools.size();

-	pool_set_t::iterator iter1 = mPools.upper_bound(mLastRebuildPool);

-	while(max_count > 0 && mPools.size() > 0) // && num_rebuilds < MAX_REBUILDS)

-	{

-		if (iter1 == mPools.end())

-		{

-			iter1 = mPools.begin();

-		}

-		LLDrawPool* poolp = *iter1;

-

-		if (poolp->isDead())

-		{

-			mPools.erase(iter1++);

-			removeFromQuickLookup( poolp );

-			if (poolp == mLastRebuildPool)

-			{

-				mLastRebuildPool = NULL;

-			}

-			delete poolp;

-		}

-		else

-		{

-			mLastRebuildPool = poolp;

-			iter1++;

-		}

-		max_count--;

-	}

-

-	if (isAgentAvatarValid())

-	{

-		gAgentAvatarp->rebuildHUD();

-	}

-}

-

-void LLPipeline::addToQuickLookup( LLDrawPool* new_poolp )

-{

-	LLMemType mt(LLMemType::MTYPE_PIPELINE_QUICK_LOOKUP);

-

-	assertInitialized();

-

-	switch( new_poolp->getType() )

-	{

-	case LLDrawPool::POOL_SIMPLE:

-		if (mSimplePool)

-		{

-			llassert(0);

-			llwarns << "Ignoring duplicate simple pool." << llendl;

-		}

-		else

-		{

-			mSimplePool = (LLRenderPass*) new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_GRASS:

-		if (mGrassPool)

-		{

-			llassert(0);

-			llwarns << "Ignoring duplicate grass pool." << llendl;

-		}

-		else

-		{

-			mGrassPool = (LLRenderPass*) new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_FULLBRIGHT:

-		if (mFullbrightPool)

-		{

-			llassert(0);

-			llwarns << "Ignoring duplicate simple pool." << llendl;

-		}

-		else

-		{

-			mFullbrightPool = (LLRenderPass*) new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_INVISIBLE:

-		if (mInvisiblePool)

-		{

-			llassert(0);

-			llwarns << "Ignoring duplicate simple pool." << llendl;

-		}

-		else

-		{

-			mInvisiblePool = (LLRenderPass*) new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_GLOW:

-		if (mGlowPool)

-		{

-			llassert(0);

-			llwarns << "Ignoring duplicate glow pool." << llendl;

-		}

-		else

-		{

-			mGlowPool = (LLRenderPass*) new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_TREE:

-		mTreePools[ uintptr_t(new_poolp->getTexture()) ] = new_poolp ;

-		break;

- 

-	case LLDrawPool::POOL_TERRAIN:

-		mTerrainPools[ uintptr_t(new_poolp->getTexture()) ] = new_poolp ;

-		break;

-

-	case LLDrawPool::POOL_BUMP:

-		if (mBumpPool)

-		{

-			llassert(0);

-			llwarns << "Ignoring duplicate bump pool." << llendl;

-		}

-		else

-		{

-			mBumpPool = new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_ALPHA:

-		if( mAlphaPool )

-		{

-			llassert(0);

-			llwarns << "LLPipeline::addPool(): Ignoring duplicate Alpha pool" << llendl;

-		}

-		else

-		{

-			mAlphaPool = new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_AVATAR:

-		break; // Do nothing

-

-	case LLDrawPool::POOL_SKY:

-		if( mSkyPool )

-		{

-			llassert(0);

-			llwarns << "LLPipeline::addPool(): Ignoring duplicate Sky pool" << llendl;

-		}

-		else

-		{

-			mSkyPool = new_poolp;

-		}

-		break;

-	

-	case LLDrawPool::POOL_WATER:

-		if( mWaterPool )

-		{

-			llassert(0);

-			llwarns << "LLPipeline::addPool(): Ignoring duplicate Water pool" << llendl;

-		}

-		else

-		{

-			mWaterPool = new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_GROUND:

-		if( mGroundPool )

-		{

-			llassert(0);

-			llwarns << "LLPipeline::addPool(): Ignoring duplicate Ground Pool" << llendl;

-		}

-		else

-		{ 

-			mGroundPool = new_poolp;

-		}

-		break;

-

-	case LLDrawPool::POOL_WL_SKY:

-		if( mWLSkyPool )

-		{

-			llassert(0);

-			llwarns << "LLPipeline::addPool(): Ignoring duplicate WLSky Pool" << llendl;

-		}

-		else

-		{ 

-			mWLSkyPool = new_poolp;

-		}

-		break;

-

-	default:

-		llassert(0);

-		llwarns << "Invalid Pool Type in  LLPipeline::addPool()" << llendl;

-		break;

-	}

-}

-

-void LLPipeline::removePool( LLDrawPool* poolp )

-{

-	assertInitialized();

-	removeFromQuickLookup(poolp);

-	mPools.erase(poolp);

-	delete poolp;

-}

-

-void LLPipeline::removeFromQuickLookup( LLDrawPool* poolp )

-{

-	assertInitialized();

-	LLMemType mt(LLMemType::MTYPE_PIPELINE);

-	switch( poolp->getType() )

-	{

-	case LLDrawPool::POOL_SIMPLE:

-		llassert(mSimplePool == poolp);

-		mSimplePool = NULL;

-		break;

-

-	case LLDrawPool::POOL_GRASS:

-		llassert(mGrassPool == poolp);

-		mGrassPool = NULL;

-		break;

-

-	case LLDrawPool::POOL_FULLBRIGHT:

-		llassert(mFullbrightPool == poolp);

-		mFullbrightPool = NULL;

-		break;

-

-	case LLDrawPool::POOL_INVISIBLE:

-		llassert(mInvisiblePool == poolp);

-		mInvisiblePool = NULL;

-		break;

-

-	case LLDrawPool::POOL_WL_SKY:

-		llassert(mWLSkyPool == poolp);

-		mWLSkyPool = NULL;

-		break;

-

-	case LLDrawPool::POOL_GLOW:

-		llassert(mGlowPool == poolp);

-		mGlowPool = NULL;

-		break;

-

-	case LLDrawPool::POOL_TREE:

-		#ifdef _DEBUG

-			{

-				BOOL found = mTreePools.erase( (uintptr_t)poolp->getTexture() );

-				llassert( found );

-			}

-		#else

-			mTreePools.erase( (uintptr_t)poolp->getTexture() );

-		#endif

-		break;

-

-	case LLDrawPool::POOL_TERRAIN:

-		#ifdef _DEBUG

-			{

-				BOOL found = mTerrainPools.erase( (uintptr_t)poolp->getTexture() );

-				llassert( found );

-			}

-		#else

-			mTerrainPools.erase( (uintptr_t)poolp->getTexture() );

-		#endif

-		break;

-

-	case LLDrawPool::POOL_BUMP:

-		llassert( poolp == mBumpPool );

-		mBumpPool = NULL;

-		break;

-	

-	case LLDrawPool::POOL_ALPHA:

-		llassert( poolp == mAlphaPool );

-		mAlphaPool = NULL;

-		break;

-

-	case LLDrawPool::POOL_AVATAR:

-		break; // Do nothing

-

-	case LLDrawPool::POOL_SKY:

-		llassert( poolp == mSkyPool );

-		mSkyPool = NULL;

-		break;

-

-	case LLDrawPool::POOL_WATER:

-		llassert( poolp == mWaterPool );

-		mWaterPool = NULL;

-		break;

-

-	case LLDrawPool::POOL_GROUND:

-		llassert( poolp == mGroundPool );

-		mGroundPool = NULL;

-		break;

-

-	default:

-		llassert(0);

-		llwarns << "Invalid Pool Type in  LLPipeline::removeFromQuickLookup() type=" << poolp->getType() << llendl;

-		break;

-	}

-}

-

-void LLPipeline::resetDrawOrders()

-{

-	assertInitialized();

-	// Iterate through all of the draw pools and rebuild them.

-	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

-	{

-		LLDrawPool *poolp = *iter;

-		poolp->resetDrawOrders();

-	}

-}

-

-//============================================================================

-// Once-per-frame setup of hardware lights,

-// including sun/moon, avatar backlight, and up to 6 local lights

-

-void LLPipeline::setupAvatarLights(BOOL for_edit)

-{

-	assertInitialized();

-

-	if (for_edit)

-	{

-		LLColor4 diffuse(1.f, 1.f, 1.f, 0.f);

-		LLVector4 light_pos_cam(-8.f, 0.25f, 10.f, 0.f);  // w==0 => directional light

-		LLMatrix4 camera_mat = LLViewerCamera::getInstance()->getModelview();

-		LLMatrix4 camera_rot(camera_mat.getMat3());

-		camera_rot.invert();

-		LLVector4 light_pos = light_pos_cam * camera_rot;

-		

-		light_pos.normalize();

-

-		LLLightState* light = gGL.getLight(1);

-

-		mHWLightColors[1] = diffuse;

-

-		light->setDiffuse(diffuse);

-		light->setAmbient(LLColor4::black);

-		light->setSpecular(LLColor4::black);

-		light->setPosition(light_pos);

-		light->setConstantAttenuation(1.f);

-		light->setLinearAttenuation(0.f);

-		light->setQuadraticAttenuation(0.f);

-		light->setSpotExponent(0.f);

-		light->setSpotCutoff(180.f);

-	}

-	else if (gAvatarBacklight) // Always true (unless overridden in a devs .ini)

-	{

-		LLVector3 opposite_pos = -1.f * mSunDir;

-		LLVector3 orthog_light_pos = mSunDir % LLVector3::z_axis;

-		LLVector4 backlight_pos = LLVector4(lerp(opposite_pos, orthog_light_pos, 0.3f), 0.0f);

-		backlight_pos.normalize();

-			

-		LLColor4 light_diffuse = mSunDiffuse;

-		LLColor4 backlight_diffuse(1.f - light_diffuse.mV[VRED], 1.f - light_diffuse.mV[VGREEN], 1.f - light_diffuse.mV[VBLUE], 1.f);

-		F32 max_component = 0.001f;

-		for (S32 i = 0; i < 3; i++)

-		{

-			if (backlight_diffuse.mV[i] > max_component)

-			{

-				max_component = backlight_diffuse.mV[i];

-			}

-		}

-		F32 backlight_mag;

-		if (gSky.getSunDirection().mV[2] >= LLSky::NIGHTTIME_ELEVATION_COS)

-		{

-			backlight_mag = BACKLIGHT_DAY_MAGNITUDE_OBJECT;

-		}

-		else

-		{

-			backlight_mag = BACKLIGHT_NIGHT_MAGNITUDE_OBJECT;

-		}

-		backlight_diffuse *= backlight_mag / max_component;

-

-		mHWLightColors[1] = backlight_diffuse;

-

-		LLLightState* light = gGL.getLight(1);

-

-		light->setPosition(backlight_pos);

-		light->setDiffuse(backlight_diffuse);

-		light->setAmbient(LLColor4::black);

-		light->setSpecular(LLColor4::black);

-		light->setConstantAttenuation(1.f);

-		light->setLinearAttenuation(0.f);

-		light->setQuadraticAttenuation(0.f);

-		light->setSpotExponent(0.f);

-		light->setSpotCutoff(180.f);

-	}

-	else

-	{

-		LLLightState* light = gGL.getLight(1);

-

-		mHWLightColors[1] = LLColor4::black;

-

-		light->setDiffuse(LLColor4::black);

-		light->setAmbient(LLColor4::black);

-		light->setSpecular(LLColor4::black);

-	}

-}

-

-static F32 calc_light_dist(LLVOVolume* light, const LLVector3& cam_pos, F32 max_dist)

-{

-	F32 inten = light->getLightIntensity();

-	if (inten < .001f)

-	{

-		return max_dist;

-	}

-	F32 radius = light->getLightRadius();

-	BOOL selected = light->isSelected();

-	LLVector3 dpos = light->getRenderPosition() - cam_pos;

-	F32 dist2 = dpos.lengthSquared();

-	if (!selected && dist2 > (max_dist + radius)*(max_dist + radius))

-	{

-		return max_dist;

-	}

-	F32 dist = (F32) sqrt(dist2);

-	dist *= 1.f / inten;

-	dist -= radius;

-	if (selected)

-	{

-		dist -= 10000.f; // selected lights get highest priority

-	}

-	if (light->mDrawable.notNull() && light->mDrawable->isState(LLDrawable::ACTIVE))

-	{

-		// moving lights get a little higher priority (too much causes artifacts)

-		dist -= light->getLightRadius()*0.25f;

-	}

-	return dist;

-}

-

-void LLPipeline::calcNearbyLights(LLCamera& camera)

-{

-	assertInitialized();

-

-	if (LLPipeline::sReflectionRender)

-	{

-		return;

-	}

-

-	if (mLightingDetail >= 1)

-	{

-		// mNearbyLight (and all light_set_t's) are sorted such that

-		// begin() == the closest light and rbegin() == the farthest light

-		const S32 MAX_LOCAL_LIGHTS = 6;

-// 		LLVector3 cam_pos = gAgent.getCameraPositionAgent();

-		LLVector3 cam_pos = LLViewerJoystick::getInstance()->getOverrideCamera() ?

-						camera.getOrigin() : 

-						gAgent.getPositionAgent();

-

-		F32 max_dist = LIGHT_MAX_RADIUS * 4.f; // ignore enitrely lights > 4 * max light rad

-		

-		// UPDATE THE EXISTING NEARBY LIGHTS

-		light_set_t cur_nearby_lights;

-		for (light_set_t::iterator iter = mNearbyLights.begin();

-			iter != mNearbyLights.end(); iter++)

-		{

-			const Light* light = &(*iter);

-			LLDrawable* drawable = light->drawable;

-			LLVOVolume* volight = drawable->getVOVolume();

-			if (!volight || !drawable->isState(LLDrawable::LIGHT))

-			{

-				drawable->clearState(LLDrawable::NEARBY_LIGHT);

-				continue;

-			}

-			if (light->fade <= -LIGHT_FADE_TIME)

-			{

-				drawable->clearState(LLDrawable::NEARBY_LIGHT);

-				continue;

-			}

-			if (!sRenderAttachedLights && volight && volight->isAttachment())

-			{

-				drawable->clearState(LLDrawable::NEARBY_LIGHT);

-				continue;

-			}

-

-			F32 dist = calc_light_dist(volight, cam_pos, max_dist);

-			cur_nearby_lights.insert(Light(drawable, dist, light->fade));

-		}

-		mNearbyLights = cur_nearby_lights;

-				

-		// FIND NEW LIGHTS THAT ARE IN RANGE

-		light_set_t new_nearby_lights;

-		for (LLDrawable::drawable_set_t::iterator iter = mLights.begin();

-			 iter != mLights.end(); ++iter)

-		{

-			LLDrawable* drawable = *iter;

-			LLVOVolume* light = drawable->getVOVolume();

-			if (!light || drawable->isState(LLDrawable::NEARBY_LIGHT))

-			{

-				continue;

-			}

-			if (light->isHUDAttachment())

-			{

-				continue; // no lighting from HUD objects

-			}

-			F32 dist = calc_light_dist(light, cam_pos, max_dist);

-			if (dist >= max_dist)

-			{

-				continue;

-			}

-			if (!sRenderAttachedLights && light && light->isAttachment())

-			{

-				continue;

-			}

-			new_nearby_lights.insert(Light(drawable, dist, 0.f));

-			if (new_nearby_lights.size() > (U32)MAX_LOCAL_LIGHTS)

-			{

-				new_nearby_lights.erase(--new_nearby_lights.end());

-				const Light& last = *new_nearby_lights.rbegin();

-				max_dist = last.dist;

-			}

-		}

-

-		// INSERT ANY NEW LIGHTS

-		for (light_set_t::iterator iter = new_nearby_lights.begin();

-			 iter != new_nearby_lights.end(); iter++)

-		{

-			const Light* light = &(*iter);

-			if (mNearbyLights.size() < (U32)MAX_LOCAL_LIGHTS)

-			{

-				mNearbyLights.insert(*light);

-				((LLDrawable*) light->drawable)->setState(LLDrawable::NEARBY_LIGHT);

-			}

-			else

-			{

-				// crazy cast so that we can overwrite the fade value

-				// even though gcc enforces sets as const

-				// (fade value doesn't affect sort so this is safe)

-				Light* farthest_light = ((Light*) (&(*(mNearbyLights.rbegin()))));

-				if (light->dist < farthest_light->dist)

-				{

-					if (farthest_light->fade >= 0.f)

-					{

-						farthest_light->fade = -gFrameIntervalSeconds;

-					}

-				}

-				else

-				{

-					break; // none of the other lights are closer

-				}

-			}

-		}

-		

-	}

-}

-

-void LLPipeline::setupHWLights(LLDrawPool* pool)

-{

-	assertInitialized();

-

-	// Ambient

-	LLColor4 ambient = gSky.getTotalAmbientColor();

-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);

-

-	// Light 0 = Sun or Moon (All objects)

-	{

-		if (gSky.getSunDirection().mV[2] >= LLSky::NIGHTTIME_ELEVATION_COS)

-		{

-			mSunDir.setVec(gSky.getSunDirection());

-			mSunDiffuse.setVec(gSky.getSunDiffuseColor());

-		}

-		else

-		{

-			mSunDir.setVec(gSky.getMoonDirection());

-			mSunDiffuse.setVec(gSky.getMoonDiffuseColor());

-		}

-

-		F32 max_color = llmax(mSunDiffuse.mV[0], mSunDiffuse.mV[1], mSunDiffuse.mV[2]);

-		if (max_color > 1.f)

-		{

-			mSunDiffuse *= 1.f/max_color;

-		}

-		mSunDiffuse.clamp();

-

-		LLVector4 light_pos(mSunDir, 0.0f);

-		LLColor4 light_diffuse = mSunDiffuse;

-		mHWLightColors[0] = light_diffuse;

-

-		LLLightState* light = gGL.getLight(0);

-		light->setPosition(light_pos);

-		light->setDiffuse(light_diffuse);

-		light->setAmbient(LLColor4::black);

-		light->setSpecular(LLColor4::black);

-		light->setConstantAttenuation(1.f);

-		light->setLinearAttenuation(0.f);

-		light->setQuadraticAttenuation(0.f);

-		light->setSpotExponent(0.f);

-		light->setSpotCutoff(180.f);

-	}

-	

-	// Light 1 = Backlight (for avatars)

-	// (set by enableLightsAvatar)

-	

-	S32 cur_light = 2;

-	

-	// Nearby lights = LIGHT 2-7

-

-	mLightMovingMask = 0;

-	

-	if (mLightingDetail >= 1)

-	{

-		for (light_set_t::iterator iter = mNearbyLights.begin();

-			 iter != mNearbyLights.end(); ++iter)

-		{

-			LLDrawable* drawable = iter->drawable;

-			LLVOVolume* light = drawable->getVOVolume();

-			if (!light)

-			{

-				continue;

-			}

-			if (drawable->isState(LLDrawable::ACTIVE))

-			{

-				mLightMovingMask |= (1<<cur_light);

-			}

-			

-			LLColor4  light_color = light->getLightColor();

-			light_color.mV[3] = 0.0f;

-

-			F32 fade = iter->fade;

-			if (fade < LIGHT_FADE_TIME)

-			{

-				// fade in/out light

-				if (fade >= 0.f)

-				{

-					fade = fade / LIGHT_FADE_TIME;

-					((Light*) (&(*iter)))->fade += gFrameIntervalSeconds;

-				}

-				else

-				{

-					fade = 1.f + fade / LIGHT_FADE_TIME;

-					((Light*) (&(*iter)))->fade -= gFrameIntervalSeconds;

-				}

-				fade = llclamp(fade,0.f,1.f);

-				light_color *= fade;

-			}

-

-			LLVector3 light_pos(light->getRenderPosition());

-			LLVector4 light_pos_gl(light_pos, 1.0f);

-	

-			F32 light_radius = llmax(light->getLightRadius(), 0.001f);

-

-			F32 x = (3.f * (1.f + light->getLightFalloff())); // why this magic?  probably trying to match a historic behavior.

-			float linatten = x / (light_radius); // % of brightness at radius

-

-			mHWLightColors[cur_light] = light_color;

-			LLLightState* light_state = gGL.getLight(cur_light);

-			

-			light_state->setPosition(light_pos_gl);

-			light_state->setDiffuse(light_color);

-			light_state->setAmbient(LLColor4::black);

-			light_state->setConstantAttenuation(0.f);

-			light_state->setLinearAttenuation(linatten);

-			light_state->setQuadraticAttenuation(0.f);

-

-			if (light->isLightSpotlight() // directional (spot-)light

-			    && (LLPipeline::sRenderDeferred || gSavedSettings.getBOOL("RenderSpotLightsInNondeferred"))) // these are only rendered as GL spotlights if we're in deferred rendering mode *or* the setting forces them on

-			{

-				LLVector3 spotparams = light->getSpotLightParams();

-				LLQuaternion quat = light->getRenderRotation();

-				LLVector3 at_axis(0,0,-1); // this matches deferred rendering's object light direction

-				at_axis *= quat;

-

-				light_state->setSpotDirection(at_axis);

-				light_state->setSpotCutoff(90.f);

-				light_state->setSpotExponent(2.f);

-	

-				light_state->setSpecular(LLColor4::black);

-			}

-			else // omnidirectional (point) light

-			{

-				light_state->setSpotExponent(0.f);

-				light_state->setSpotCutoff(180.f);

-				

-				// we use specular.w = 1.0 as a cheap hack for the shaders to know that this is omnidirectional rather than a spotlight

-				const LLColor4 specular(0.f, 0.f, 0.f, 1.f);

-				light_state->setSpecular(specular);				

-			}

-			cur_light++;

-			if (cur_light >= 8)

-			{

-				break; // safety

-			}

-		}

-	}

-	for ( ; cur_light < 8 ; cur_light++)

-	{

-		mHWLightColors[cur_light] = LLColor4::black;

-		LLLightState* light = gGL.getLight(cur_light);

-

-		light->setDiffuse(LLColor4::black);

-		light->setAmbient(LLColor4::black);

-		light->setSpecular(LLColor4::black);

-	}

-	if (gAgentAvatarp &&

-		gAgentAvatarp->mSpecialRenderMode == 3)

-	{

-		LLColor4  light_color = LLColor4::white;

-		light_color.mV[3] = 0.0f;

-

-		LLVector3 light_pos(LLViewerCamera::getInstance()->getOrigin());

-		LLVector4 light_pos_gl(light_pos, 1.0f);

-

-		F32 light_radius = 16.f;

-

-			F32 x = 3.f;

-		float linatten = x / (light_radius); // % of brightness at radius

-

-		mHWLightColors[2] = light_color;

-		LLLightState* light = gGL.getLight(2);

-

-		light->setPosition(light_pos_gl);

-		light->setDiffuse(light_color);

-		light->setAmbient(LLColor4::black);

-		light->setSpecular(LLColor4::black);

-		light->setQuadraticAttenuation(0.f);

-		light->setConstantAttenuation(0.f);

-		light->setLinearAttenuation(linatten);

-		light->setSpotExponent(0.f);

-		light->setSpotCutoff(180.f);

-	}

-

-	// Init GL state

-	glDisable(GL_LIGHTING);

-	for (S32 i = 0; i < 8; ++i)

-	{

-		gGL.getLight(i)->disable();

-	}

-	mLightMask = 0;

-}

-

-void LLPipeline::enableLights(U32 mask)

-{

-	assertInitialized();

-

-	if (mLightingDetail == 0)

-	{

-		mask &= 0xf003; // sun and backlight only (and fullbright bit)

-	}

-	if (mLightMask != mask)

-	{

-		stop_glerror();

-		if (!mLightMask)

-		{

-			glEnable(GL_LIGHTING);

-		}

-		if (mask)

-		{

-			stop_glerror();

-			for (S32 i=0; i<8; i++)

-			{

-				LLLightState* light = gGL.getLight(i);

-				if (mask & (1<<i))

-				{

-					light->enable();

-					light->setDiffuse(mHWLightColors[i]);

-				}

-				else

-				{

-					light->disable();

-					light->setDiffuse(LLColor4::black);

-				}

-			}

-			stop_glerror();

-		}

-		else

-		{

-			glDisable(GL_LIGHTING);

-		}

-		stop_glerror();

-		mLightMask = mask;

-		LLColor4 ambient = gSky.getTotalAmbientColor();

-		glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);

-		stop_glerror();

-	}

-}

-

-void LLPipeline::enableLightsStatic()

-{

-	assertInitialized();

-	U32 mask = 0x01; // Sun

-	if (mLightingDetail >= 2)

-	{

-		mask |= mLightMovingMask; // Hardware moving lights

-	}

-	else

-	{

-		mask |= 0xff & (~2); // Hardware local lights

-	}

-	enableLights(mask);

-}

-

-void LLPipeline::enableLightsDynamic()

-{

-	assertInitialized();

-	U32 mask = 0xff & (~2); // Local lights

-	enableLights(mask);

-	

-	if (isAgentAvatarValid() && getLightingDetail() <= 0)

-	{

-		if (gAgentAvatarp->mSpecialRenderMode == 0) // normal

-		{

-			gPipeline.enableLightsAvatar();

-		}

-		else if (gAgentAvatarp->mSpecialRenderMode >= 1)  // anim preview

-		{

-			gPipeline.enableLightsAvatarEdit(LLColor4(0.7f, 0.6f, 0.3f, 1.f));

-		}

-	}

-}

-

-void LLPipeline::enableLightsAvatar()

-{

-	U32 mask = 0xff; // All lights

-	setupAvatarLights(FALSE);

-	enableLights(mask);

-}

-

-void LLPipeline::enableLightsPreview()

-{

-	disableLights();

-

-	glEnable(GL_LIGHTING);

-	LLColor4 ambient = gSavedSettings.getColor4("PreviewAmbientColor");

-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);

-

-

-	LLColor4 diffuse0 = gSavedSettings.getColor4("PreviewDiffuse0");

-	LLColor4 specular0 = gSavedSettings.getColor4("PreviewSpecular0");

-	LLColor4 diffuse1 = gSavedSettings.getColor4("PreviewDiffuse1");

-	LLColor4 specular1 = gSavedSettings.getColor4("PreviewSpecular1");

-	LLColor4 diffuse2 = gSavedSettings.getColor4("PreviewDiffuse2");

-	LLColor4 specular2 = gSavedSettings.getColor4("PreviewSpecular2");

-

-	LLVector3 dir0 = gSavedSettings.getVector3("PreviewDirection0");

-	LLVector3 dir1 = gSavedSettings.getVector3("PreviewDirection1");

-	LLVector3 dir2 = gSavedSettings.getVector3("PreviewDirection2");

-

-	dir0.normVec();

-	dir1.normVec();

-	dir2.normVec();

-	

-	LLVector4 light_pos(dir0, 0.0f);

-

-	LLLightState* light = gGL.getLight(0);

-

-	light->enable();

-	light->setPosition(light_pos);

-	light->setDiffuse(diffuse0);

-	light->setAmbient(LLColor4::black);

-	light->setSpecular(specular0);

-	light->setSpotExponent(0.f);

-	light->setSpotCutoff(180.f);

-

-	light_pos = LLVector4(dir1, 0.f);

-

-	light = gGL.getLight(1);

-	light->enable();

-	light->setPosition(light_pos);

-	light->setDiffuse(diffuse1);

-	light->setAmbient(LLColor4::black);

-	light->setSpecular(specular1);

-	light->setSpotExponent(0.f);

-	light->setSpotCutoff(180.f);

-

-	light_pos = LLVector4(dir2, 0.f);

-	light = gGL.getLight(2);

-	light->enable();

-	light->setPosition(light_pos);

-	light->setDiffuse(diffuse2);

-	light->setAmbient(LLColor4::black);

-	light->setSpecular(specular2);

-	light->setSpotExponent(0.f);

-	light->setSpotCutoff(180.f);

-}

-

-

-void LLPipeline::enableLightsAvatarEdit(const LLColor4& color)

-{

-	U32 mask = 0x2002; // Avatar backlight only, set ambient

-	setupAvatarLights(TRUE);

-	enableLights(mask);

-

-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);

-}

-

-void LLPipeline::enableLightsFullbright(const LLColor4& color)

-{

-	assertInitialized();

-	U32 mask = 0x1000; // Non-0 mask, set ambient

-	enableLights(mask);

-

-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);

-}

-

-void LLPipeline::disableLights()

-{

-	enableLights(0); // no lighting (full bright)

-}

-

-//============================================================================

-

-class LLMenuItemGL;

-class LLInvFVBridge;

-struct cat_folder_pair;

-class LLVOBranch;

-class LLVOLeaf;

-

-void LLPipeline::findReferences(LLDrawable *drawablep)

-{

-	assertInitialized();

-	if (mLights.find(drawablep) != mLights.end())

-	{

-		llinfos << "In mLights" << llendl;

-	}

-	if (std::find(mMovedList.begin(), mMovedList.end(), drawablep) != mMovedList.end())

-	{

-		llinfos << "In mMovedList" << llendl;

-	}

-	if (std::find(mShiftList.begin(), mShiftList.end(), drawablep) != mShiftList.end())

-	{

-		llinfos << "In mShiftList" << llendl;

-	}

-	if (mRetexturedList.find(drawablep) != mRetexturedList.end())

-	{

-		llinfos << "In mRetexturedList" << llendl;

-	}

-	

-	if (std::find(mBuildQ1.begin(), mBuildQ1.end(), drawablep) != mBuildQ1.end())

-	{

-		llinfos << "In mBuildQ1" << llendl;

-	}

-	if (std::find(mBuildQ2.begin(), mBuildQ2.end(), drawablep) != mBuildQ2.end())

-	{

-		llinfos << "In mBuildQ2" << llendl;

-	}

-

-	S32 count;

-	

-	count = gObjectList.findReferences(drawablep);

-	if (count)

-	{

-		llinfos << "In other drawables: " << count << " references" << llendl;

-	}

-}

-

-BOOL LLPipeline::verify()

-{

-	BOOL ok = assertInitialized();

-	if (ok) 

-	{

-		for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)

-		{

-			LLDrawPool *poolp = *iter;

-			if (!poolp->verify())

-			{

-				ok = FALSE;

-			}

-		}

-	}

-

-	if (!ok)

-	{

-		llwarns << "Pipeline verify failed!" << llendl;

-	}

-	return ok;

-}

-

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

-//

-// Collision detection

-//

-//

-

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

-/**

- *	A method to compute a ray-AABB intersection.

- *	Original code by Andrew Woo, from "Graphics Gems", Academic Press, 1990

- *	Optimized code by Pierre Terdiman, 2000 (~20-30% faster on my Celeron 500)

- *	Epsilon value added by Klaus Hartmann. (discarding it saves a few cycles only)

- *

- *	Hence this version is faster as well as more robust than the original one.

- *

- *	Should work provided:

- *	1) the integer representation of 0.0f is 0x00000000

- *	2) the sign bit of the float is the most significant one

- *

- *	Report bugs: p.terdiman@codercorner.com

- *

- *	\param		aabb		[in] the axis-aligned bounding box

- *	\param		origin		[in] ray origin

- *	\param		dir			[in] ray direction

- *	\param		coord		[out] impact coordinates

- *	\return		true if ray intersects AABB

- */

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

-//#define RAYAABB_EPSILON 0.00001f

-#define IR(x)	((U32&)x)

-

-bool LLRayAABB(const LLVector3 &center, const LLVector3 &size, const LLVector3& origin, const LLVector3& dir, LLVector3 &coord, F32 epsilon)

-{

-	BOOL Inside = TRUE;

-	LLVector3 MinB = center - size;

-	LLVector3 MaxB = center + size;

-	LLVector3 MaxT;

-	MaxT.mV[VX]=MaxT.mV[VY]=MaxT.mV[VZ]=-1.0f;

-

-	// Find candidate planes.

-	for(U32 i=0;i<3;i++)

-	{

-		if(origin.mV[i] < MinB.mV[i])

-		{

-			coord.mV[i]	= MinB.mV[i];

-			Inside		= FALSE;

-

-			// Calculate T distances to candidate planes

-			if(IR(dir.mV[i]))	MaxT.mV[i] = (MinB.mV[i] - origin.mV[i]) / dir.mV[i];

-		}

-		else if(origin.mV[i] > MaxB.mV[i])

-		{

-			coord.mV[i]	= MaxB.mV[i];

-			Inside		= FALSE;

-

-			// Calculate T distances to candidate planes

-			if(IR(dir.mV[i]))	MaxT.mV[i] = (MaxB.mV[i] - origin.mV[i]) / dir.mV[i];

-		}

-	}

-

-	// Ray origin inside bounding box

-	if(Inside)

-	{

-		coord = origin;

-		return true;

-	}

-

-	// Get largest of the maxT's for final choice of intersection

-	U32 WhichPlane = 0;

-	if(MaxT.mV[1] > MaxT.mV[WhichPlane])	WhichPlane = 1;

-	if(MaxT.mV[2] > MaxT.mV[WhichPlane])	WhichPlane = 2;

-

-	// Check final candidate actually inside box

-	if(IR(MaxT.mV[WhichPlane])&0x80000000) return false;

-

-	for(U32 i=0;i<3;i++)

-	{

-		if(i!=WhichPlane)

-		{

-			coord.mV[i] = origin.mV[i] + MaxT.mV[WhichPlane] * dir.mV[i];

-			if (epsilon > 0)

-			{

-				if(coord.mV[i] < MinB.mV[i] - epsilon || coord.mV[i] > MaxB.mV[i] + epsilon)	return false;

-			}

-			else

-			{

-				if(coord.mV[i] < MinB.mV[i] || coord.mV[i] > MaxB.mV[i])	return false;

-			}

-		}

-	}

-	return true;	// ray hits box

-}

-

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

-//

-// Macros, functions, and inline methods from other classes

-//

-//

-

-void LLPipeline::setLight(LLDrawable *drawablep, BOOL is_light)

-{

-	if (drawablep && assertInitialized())

-	{

-		if (is_light)

-		{

-			mLights.insert(drawablep);

-			drawablep->setState(LLDrawable::LIGHT);

-		}

-		else

-		{

-			drawablep->clearState(LLDrawable::LIGHT);

-			mLights.erase(drawablep);

-		}

-	}

-}

-

-//static

-void LLPipeline::toggleRenderType(U32 type)

-{

-	gPipeline.mRenderTypeEnabled[type] = !gPipeline.mRenderTypeEnabled[type];

-	if (type == LLPipeline::RENDER_TYPE_WATER)

-	{

-		gPipeline.mRenderTypeEnabled[LLPipeline::RENDER_TYPE_VOIDWATER] = !gPipeline.mRenderTypeEnabled[LLPipeline::RENDER_TYPE_VOIDWATER];

-	}

-}

-

-//static

-void LLPipeline::toggleRenderTypeControl(void* data)

-{

-	U32 type = (U32)(intptr_t)data;

-	U32 bit = (1<<type);

-	if (gPipeline.hasRenderType(type))

-	{

-		llinfos << "Toggling render type mask " << std::hex << bit << " off" << std::dec << llendl;

-	}

-	else

-	{

-		llinfos << "Toggling render type mask " << std::hex << bit << " on" << std::dec << llendl;

-	}

-	gPipeline.toggleRenderType(type);

-}

-

-//static

-BOOL LLPipeline::hasRenderTypeControl(void* data)

-{

-	U32 type = (U32)(intptr_t)data;

-	return gPipeline.hasRenderType(type);

-}

-

-// Allows UI items labeled "Hide foo" instead of "Show foo"

-//static

-BOOL LLPipeline::toggleRenderTypeControlNegated(void* data)

-{

-	S32 type = (S32)(intptr_t)data;

-	return !gPipeline.hasRenderType(type);

-}

-

-//static

-void LLPipeline::toggleRenderDebug(void* data)

-{

-	U32 bit = (U32)(intptr_t)data;

-	if (gPipeline.hasRenderDebugMask(bit))

-	{

-		llinfos << "Toggling render debug mask " << std::hex << bit << " off" << std::dec << llendl;

-	}

-	else

-	{

-		llinfos << "Toggling render debug mask " << std::hex << bit << " on" << std::dec << llendl;

-	}

-	gPipeline.mRenderDebugMask ^= bit;

-}

-

-

-//static

-BOOL LLPipeline::toggleRenderDebugControl(void* data)

-{

-	U32 bit = (U32)(intptr_t)data;

-	return gPipeline.hasRenderDebugMask(bit);

-}

-

-//static

-void LLPipeline::toggleRenderDebugFeature(void* data)

-{

-	U32 bit = (U32)(intptr_t)data;

-	gPipeline.mRenderDebugFeatureMask ^= bit;

-}

-

-

-//static

-BOOL LLPipeline::toggleRenderDebugFeatureControl(void* data)

-{

-	U32 bit = (U32)(intptr_t)data;

-	return gPipeline.hasRenderDebugFeatureMask(bit);

-}

-

-void LLPipeline::setRenderDebugFeatureControl(U32 bit, bool value)

-{

-	if (value)

-	{

-		gPipeline.mRenderDebugFeatureMask |= bit;

-	}

-	else

-	{

-		gPipeline.mRenderDebugFeatureMask &= !bit;

-	}

-}

-

-// static

-void LLPipeline::setRenderScriptedBeacons(BOOL val)

-{

-	sRenderScriptedBeacons = val;

-}

-

-// static

-void LLPipeline::toggleRenderScriptedBeacons(void*)

-{

-	sRenderScriptedBeacons = !sRenderScriptedBeacons;

-}

-

-// static

-BOOL LLPipeline::getRenderScriptedBeacons(void*)

-{

-	return sRenderScriptedBeacons;

-}

-

-// static

-void LLPipeline::setRenderScriptedTouchBeacons(BOOL val)

-{

-	sRenderScriptedTouchBeacons = val;

-}

-

-// static

-void LLPipeline::toggleRenderScriptedTouchBeacons(void*)

-{

-	sRenderScriptedTouchBeacons = !sRenderScriptedTouchBeacons;

-}

-

-// static

-BOOL LLPipeline::getRenderScriptedTouchBeacons(void*)

-{

-	return sRenderScriptedTouchBeacons;

-}

-

-// static

-void LLPipeline::setRenderPhysicalBeacons(BOOL val)

-{

-	sRenderPhysicalBeacons = val;

-}

-

-// static

-void LLPipeline::toggleRenderPhysicalBeacons(void*)

-{

-	sRenderPhysicalBeacons = !sRenderPhysicalBeacons;

-}

-

-// static

-BOOL LLPipeline::getRenderPhysicalBeacons(void*)

-{

-	return sRenderPhysicalBeacons;

-}

-

-// static

-void LLPipeline::setRenderParticleBeacons(BOOL val)

-{

-	sRenderParticleBeacons = val;

-}

-

-// static

-void LLPipeline::toggleRenderParticleBeacons(void*)

-{

-	sRenderParticleBeacons = !sRenderParticleBeacons;

-}

-

-// static

-BOOL LLPipeline::getRenderParticleBeacons(void*)

-{

-	return sRenderParticleBeacons;

-}

-

-// static

-void LLPipeline::setRenderSoundBeacons(BOOL val)

-{

-	sRenderSoundBeacons = val;

-}

-

-// static

-void LLPipeline::toggleRenderSoundBeacons(void*)

-{

-	sRenderSoundBeacons = !sRenderSoundBeacons;

-}

-

-// static

-BOOL LLPipeline::getRenderSoundBeacons(void*)

-{

-	return sRenderSoundBeacons;

-}

-

-// static

-void LLPipeline::setRenderBeacons(BOOL val)

-{

-	sRenderBeacons = val;

-}

-

-// static

-void LLPipeline::toggleRenderBeacons(void*)

-{

-	sRenderBeacons = !sRenderBeacons;

-}

-

-// static

-BOOL LLPipeline::getRenderBeacons(void*)

-{

-	return sRenderBeacons;

-}

-

-// static

-void LLPipeline::setRenderHighlights(BOOL val)

-{

-	sRenderHighlight = val;

-}

-

-// static

-void LLPipeline::toggleRenderHighlights(void*)

-{

-	sRenderHighlight = !sRenderHighlight;

-}

-

-// static

-BOOL LLPipeline::getRenderHighlights(void*)

-{

-	return sRenderHighlight;

-}

-

-LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start, const LLVector3& end,

-														BOOL pick_transparent,												

-														S32* face_hit,

-														LLVector3* intersection,         // return the intersection point

-														LLVector2* tex_coord,            // return the texture coordinates of the intersection point

-														LLVector3* normal,               // return the surface normal at the intersection point

-														LLVector3* bi_normal             // return the surface bi-normal at the intersection point

-	)

-{

-	LLDrawable* drawable = NULL;

-

-	LLVector3 local_end = end;

-

-	LLVector3 position;

-

-	sPickAvatar = FALSE; //LLToolMgr::getInstance()->inBuildMode() ? FALSE : TRUE;

-	

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-

-		for (U32 j = 0; j < LLViewerRegion::NUM_PARTITIONS; j++)

-		{

-			if ((j == LLViewerRegion::PARTITION_VOLUME) || 

-				(j == LLViewerRegion::PARTITION_BRIDGE) || 

-				(j == LLViewerRegion::PARTITION_TERRAIN) ||

-				(j == LLViewerRegion::PARTITION_TREE) ||

-				(j == LLViewerRegion::PARTITION_GRASS))  // only check these partitions for now

-			{

-				LLSpatialPartition* part = region->getSpatialPartition(j);

-				if (part && hasRenderType(part->mDrawableType))

-				{

-					LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, face_hit, &position, tex_coord, normal, bi_normal);

-					if (hit)

-					{

-						drawable = hit;

-						local_end = position;						

-					}

-				}

-			}

-		}

-	}

-	

-	if (!sPickAvatar)

-	{

-		//save hit info in case we need to restore

-		//due to attachment override

-		LLVector3 local_normal;

-		LLVector3 local_binormal;

-		LLVector2 local_texcoord;

-		S32 local_face_hit = -1;

-

-		if (face_hit)

-		{ 

-			local_face_hit = *face_hit;

-		}

-		if (tex_coord)

-		{

-			local_texcoord = *tex_coord;

-		}

-		if (bi_normal)

-		{

-			local_binormal = *bi_normal;

-		}

-		if (normal)

-		{

-			local_normal = *normal;

-		}

-				

-		const F32 ATTACHMENT_OVERRIDE_DIST = 0.1f;

-

-		//check against avatars

-		sPickAvatar = TRUE;

-		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-				iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-		{

-			LLViewerRegion* region = *iter;

-

-			LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_BRIDGE);

-			if (part && hasRenderType(part->mDrawableType))

-			{

-				LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, face_hit, &position, tex_coord, normal, bi_normal);

-				if (hit)

-				{

-					if (!drawable || 

-						!drawable->getVObj()->isAttachment() ||

-						(position-local_end).magVec() > ATTACHMENT_OVERRIDE_DIST)

-					{ //avatar overrides if previously hit drawable is not an attachment or 

-					  //attachment is far enough away from detected intersection

-						drawable = hit;

-						local_end = position;						

-					}

-					else

-					{ //prioritize attachments over avatars

-						position = local_end;

-

-						if (face_hit)

-						{

-							*face_hit = local_face_hit;

-						}

-						if (tex_coord)

-						{

-							*tex_coord = local_texcoord;

-						}

-						if (bi_normal)

-						{

-							*bi_normal = local_binormal;

-						}

-						if (normal)

-						{

-							*normal = local_normal;

-						}

-					}

-				}

-			}

-		}

-	}

-

-	//check all avatar nametags (silly, isn't it?)

-	for (std::vector< LLCharacter* >::iterator iter = LLCharacter::sInstances.begin();

-		iter != LLCharacter::sInstances.end();

-		++iter)

-	{

-		LLVOAvatar* av = (LLVOAvatar*) *iter;

-		if (av->mNameText.notNull()

-			&& av->mNameText->lineSegmentIntersect(start, local_end, position))

-		{

-			drawable = av->mDrawable;

-			local_end = position;

-		}

-	}

-

-	if (intersection)

-	{

-		*intersection = position;

-	}

-

-	return drawable ? drawable->getVObj().get() : NULL;

-}

-

-LLViewerObject* LLPipeline::lineSegmentIntersectInHUD(const LLVector3& start, const LLVector3& end,

-													  BOOL pick_transparent,													

-													  S32* face_hit,

-													  LLVector3* intersection,         // return the intersection point

-													  LLVector2* tex_coord,            // return the texture coordinates of the intersection point

-													  LLVector3* normal,               // return the surface normal at the intersection point

-													  LLVector3* bi_normal             // return the surface bi-normal at the intersection point

-	)

-{

-	LLDrawable* drawable = NULL;

-

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-

-		BOOL toggle = FALSE;

-		if (!hasRenderType(LLPipeline::RENDER_TYPE_HUD))

-		{

-			toggleRenderType(LLPipeline::RENDER_TYPE_HUD);

-			toggle = TRUE;

-		}

-

-		LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_HUD);

-		if (part)

-		{

-			LLDrawable* hit = part->lineSegmentIntersect(start, end, pick_transparent, face_hit, intersection, tex_coord, normal, bi_normal);

-			if (hit)

-			{

-				drawable = hit;

-			}

-		}

-

-		if (toggle)

-		{

-			toggleRenderType(LLPipeline::RENDER_TYPE_HUD);

-		}

-	}

-	return drawable ? drawable->getVObj().get() : NULL;

-}

-

-LLSpatialPartition* LLPipeline::getSpatialPartition(LLViewerObject* vobj)

-{

-	if (vobj)

-	{

-		LLViewerRegion* region = vobj->getRegion();

-		if (region)

-		{

-			return region->getSpatialPartition(vobj->getPartitionType());

-		}

-	}

-	return NULL;

-}

-

-

-void LLPipeline::resetVertexBuffers(LLDrawable* drawable)

-{

-	if (!drawable || drawable->isDead())

-	{

-		return;

-	}

-

-	for (S32 i = 0; i < drawable->getNumFaces(); i++)

-	{

-		LLFace* facep = drawable->getFace(i);

-		facep->mVertexBuffer = NULL;

-		facep->mLastVertexBuffer = NULL;

-	}

-}

-

-void LLPipeline::resetVertexBuffers()

-{

-	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");

-	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");

-	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");

-	LLVertexBuffer::sPreferStreamDraw = gSavedSettings.getBOOL("RenderPreferStreamDraw");

-	LLVertexBuffer::sEnableVBOs = gSavedSettings.getBOOL("RenderVBOEnable");

-	sBakeSunlight = gSavedSettings.getBOOL("RenderBakeSunlight");

-	sNoAlpha = gSavedSettings.getBOOL("RenderNoAlpha");

-

-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 

-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)

-	{

-		LLViewerRegion* region = *iter;

-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)

-		{

-			LLSpatialPartition* part = region->getSpatialPartition(i);

-			if (part)

-			{

-				part->resetVertexBuffers();

-			}

-		}

-	}

-

-	resetDrawOrders();

-

-	gSky.resetVertexBuffers();

-

-	if (LLVertexBuffer::sGLCount > 0)

-	{

-		LLVertexBuffer::cleanupClass();

-	}

-

-	//delete all name pool caches

-	LLGLNamePool::cleanupPools();

-

-	if (LLVertexBuffer::sGLCount > 0)

-	{

-		llwarns << "VBO wipe failed." << llendl;

-	}

-

-	if (!LLVertexBuffer::sStreamIBOPool.mNameList.empty() ||

-		!LLVertexBuffer::sStreamVBOPool.mNameList.empty() ||

-		!LLVertexBuffer::sDynamicIBOPool.mNameList.empty() ||

-		!LLVertexBuffer::sDynamicVBOPool.mNameList.empty())

-	{

-		llwarns << "VBO name pool cleanup failed." << llendl;

-	}

-

-	LLVertexBuffer::unbind();

-

-	LLPipeline::sTextureBindTest = gSavedSettings.getBOOL("RenderDebugTextureBind");

-}

-

-void LLPipeline::renderObjects(U32 type, U32 mask, BOOL texture)

-{

-	LLMemType mt_ro(LLMemType::MTYPE_PIPELINE_RENDER_OBJECTS);

-	assertInitialized();

-	glLoadMatrixd(gGLModelView);

-	gGLLastMatrix = NULL;

-	mSimplePool->pushBatches(type, mask);

-	glLoadMatrixd(gGLModelView);

-	gGLLastMatrix = NULL;		

-}

-

-void LLPipeline::setDisableVBOMapping(BOOL no_vbo_mapping)

-{

-	if (LLVertexBuffer::sEnableVBOs && no_vbo_mapping != LLVertexBuffer::sDisableVBOMapping)

-	{

-		if (no_vbo_mapping)

-		{

-			llinfos << "Disabling VBO glMapBufferARB." << llendl;

-		}

-		else

-		{ 

-			llinfos << "Enabling VBO glMapBufferARB." << llendl;

-		}

-		

-		resetVertexBuffers();

-		LLVertexBuffer::initClass(true, no_vbo_mapping);

-	}

-}

-

-void validate_framebuffer_object()

-{                                                           

-	GLenum status;                                            

-	status = glCheckFramebufferStatus(GL_FRAMEBUFFER_EXT); 

-	switch(status) 

-	{                                          

-		case GL_FRAMEBUFFER_COMPLETE:                       

-			//framebuffer OK, no error.

-			break;

-		case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:

-			// frame buffer not OK: probably means unsupported depth buffer format

-			llerrs << "Framebuffer Incomplete Missing Attachment." << llendl;

-			break;

-		case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:

-			// frame buffer not OK: probably means unsupported depth buffer format

-			llerrs << "Framebuffer Incomplete Attachment." << llendl;

-			break; 

-		case GL_FRAMEBUFFER_UNSUPPORTED:                    

-			/* choose different formats */                        

-			llerrs << "Framebuffer unsupported." << llendl;

-			break;                                                

-		default:                                                

-			llerrs << "Unknown framebuffer status." << llendl;

-			break;

-	}

-}

-

-void LLPipeline::bindScreenToTexture() 

-{

-	

-}

-

-static LLFastTimer::DeclareTimer FTM_RENDER_BLOOM("Bloom");

-

-void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)

-{

-	LLMemType mt_ru(LLMemType::MTYPE_PIPELINE_RENDER_BLOOM);

-	if (!(gPipeline.canUseVertexShaders() &&

-		sRenderGlow))

-	{

-		return;

-	}

-

-	LLVertexBuffer::unbind();

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-

-	assertInitialized();

-

-	if (gUseWireframe)

-	{

-		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

-	}

-

-	U32 res_mod = gSavedSettings.getU32("RenderResolutionDivisor");

-

-	LLVector2 tc1(0,0);

-	LLVector2 tc2((F32) gViewerWindow->getWorldViewWidthRaw()*2,

-				  (F32) gViewerWindow->getWorldViewHeightRaw()*2);

-

-	if (res_mod > 1)

-	{

-		tc2 /= (F32) res_mod;

-	}

-

-	LLFastTimer ftm(FTM_RENDER_BLOOM);

-	gGL.color4f(1,1,1,1);

-	LLGLDepthTest depth(GL_FALSE);

-	LLGLDisable blend(GL_BLEND);

-	LLGLDisable cull(GL_CULL_FACE);

-	

-	enableLightsFullbright(LLColor4(1,1,1,1));

-

-	glMatrixMode(GL_PROJECTION);

-	glPushMatrix();

-	glLoadIdentity();

-	glMatrixMode(GL_MODELVIEW);

-	glPushMatrix();

-	glLoadIdentity();

-

-	LLGLDisable test(GL_ALPHA_TEST);

-

-	gGL.setColorMask(true, true);

-	glClearColor(0,0,0,0);

-

-	/*if (for_snapshot)

-	{

-		gGL.getTexUnit(0)->bind(&mGlow[1]);

-		{

-			//LLGLEnable stencil(GL_STENCIL_TEST);

-			//glStencilFunc(GL_NOTEQUAL, 255, 0xFFFFFFFF);

-			//glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);

-			//LLGLDisable blend(GL_BLEND);

-

-			// If the snapshot is constructed from tiles, calculate which

-			// tile we're in.

-

-			//from LLViewerCamera::setPerpsective

-			if (zoom_factor > 1.f)

-			{

-				int pos_y = subfield / llceil(zoom_factor);

-				int pos_x = subfield - (pos_y*llceil(zoom_factor));

-				F32 size = 1.f/zoom_factor;

-

-				tc1.set(pos_x*size, pos_y*size);

-				tc2 = tc1 + LLVector2(size,size);

-			}

-			else

-			{

-				tc2.set(1,1);

-			}

-			

-			LLGLEnable blend(GL_BLEND);

-			gGL.setSceneBlendType(LLRender::BT_ADD);

-			

-				

-			gGL.begin(LLRender::TRIANGLE_STRIP);

-			gGL.color4f(1,1,1,1);

-			gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);

-			gGL.vertex2f(-1,-1);

-			

-			gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);

-			gGL.vertex2f(-1,1);

-			

-			gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);

-			gGL.vertex2f(1,-1);

-			

-			gGL.texCoord2f(tc2.mV[0], tc2.mV[1]);

-			gGL.vertex2f(1,1);

-

-			gGL.end();

-

-			gGL.flush();

-			gGL.setSceneBlendType(LLRender::BT_ALPHA);

-		}

-

-		gGL.flush();

-		glMatrixMode(GL_PROJECTION);

-		glPopMatrix();

-		glMatrixMode(GL_MODELVIEW);

-		glPopMatrix();

-

-		return;

-	}*/

-	

-	{

-		{

-			LLFastTimer ftm(FTM_RENDER_BLOOM_FBO);

-			mGlow[2].bindTarget();

-			mGlow[2].clear();

-		}

-		

-		gGlowExtractProgram.bind();

-		F32 minLum = llmax(gSavedSettings.getF32("RenderGlowMinLuminance"), 0.0f);

-		F32 maxAlpha = gSavedSettings.getF32("RenderGlowMaxExtractAlpha");		

-		F32 warmthAmount = gSavedSettings.getF32("RenderGlowWarmthAmount");	

-		LLVector3 lumWeights = gSavedSettings.getVector3("RenderGlowLumWeights");

-		LLVector3 warmthWeights = gSavedSettings.getVector3("RenderGlowWarmthWeights");

-		gGlowExtractProgram.uniform1f("minLuminance", minLum);

-		gGlowExtractProgram.uniform1f("maxExtractAlpha", maxAlpha);

-		gGlowExtractProgram.uniform3f("lumWeights", lumWeights.mV[0], lumWeights.mV[1], lumWeights.mV[2]);

-		gGlowExtractProgram.uniform3f("warmthWeights", warmthWeights.mV[0], warmthWeights.mV[1], warmthWeights.mV[2]);

-		gGlowExtractProgram.uniform1f("warmthAmount", warmthAmount);

-		LLGLEnable blend_on(GL_BLEND);

-		LLGLEnable test(GL_ALPHA_TEST);

-		gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);

-		gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);

-		

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

-		gGL.getTexUnit(0)->disable();

-		gGL.getTexUnit(0)->enable(LLTexUnit::TT_RECT_TEXTURE);

-		gGL.getTexUnit(0)->bind(&mScreen);

-

-		gGL.color4f(1,1,1,1);

-		gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));

-		gGL.begin(LLRender::TRIANGLE_STRIP);

-		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);

-		gGL.vertex2f(-1,-1);

-		

-		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);

-		gGL.vertex2f(-1,3);

-		

-		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);

-		gGL.vertex2f(3,-1);

-		

-		gGL.end();

-		

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

-

-		mGlow[2].flush();

-	}

-

-	tc1.setVec(0,0);

-	tc2.setVec(2,2);

-

-	// power of two between 1 and 1024

-	U32 glowResPow = gSavedSettings.getS32("RenderGlowResolutionPow");

-	const U32 glow_res = llmax(1, 

-		llmin(1024, 1 << glowResPow));

-

-	S32 kernel = gSavedSettings.getS32("RenderGlowIterations")*2;

-	F32 delta = gSavedSettings.getF32("RenderGlowWidth") / glow_res;

-	// Use half the glow width if we have the res set to less than 9 so that it looks

-	// almost the same in either case.

-	if (glowResPow < 9)

-	{

-		delta *= 0.5f;

-	}

-	F32 strength = gSavedSettings.getF32("RenderGlowStrength");

-

-	gGlowProgram.bind();

-	gGlowProgram.uniform1f("glowStrength", strength);

-

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

-	{

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

-		{

-			LLFastTimer ftm(FTM_RENDER_BLOOM_FBO);

-			mGlow[i%2].bindTarget();

-			mGlow[i%2].clear();

-		}

-			

-		if (i == 0)

-		{

-			gGL.getTexUnit(0)->bind(&mGlow[2]);

-		}

-		else

-		{

-			gGL.getTexUnit(0)->bind(&mGlow[(i-1)%2]);

-		}

-

-		if (i%2 == 0)

-		{

-			gGlowProgram.uniform2f("glowDelta", delta, 0);

-		}

-		else

-		{

-			gGlowProgram.uniform2f("glowDelta", 0, delta);

-		}

-

-		gGL.begin(LLRender::TRIANGLE_STRIP);

-		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);

-		gGL.vertex2f(-1,-1);

-		

-		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);

-		gGL.vertex2f(-1,3);

-		

-		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);

-		gGL.vertex2f(3,-1);

-		

-		gGL.end();

-		

-		mGlow[i%2].flush();

-	}

-

-	gGlowProgram.unbind();

-

-	if (LLRenderTarget::sUseFBO)

-	{

-		LLFastTimer ftm(FTM_RENDER_BLOOM_FBO);

-		glBindFramebuffer(GL_FRAMEBUFFER, 0);

-	}

-

-	gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;

-	gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;

-	gGLViewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();

-	gGLViewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();

-	glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);

-

-	tc2.setVec((F32) gViewerWindow->getWorldViewWidthRaw(),

-			(F32) gViewerWindow->getWorldViewHeightRaw());

-

-	gGL.flush();

-	

-	LLVertexBuffer::unbind();

-

-	if (LLPipeline::sRenderDeferred)

-	{

-		LLGLSLShader* shader = &gDeferredPostProgram;

-		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)

-		{

-			shader = &gDeferredGIFinalProgram;

-		}

-		

-		LLGLDisable blend(GL_BLEND);

-		bindDeferredShader(*shader);

-

-		//depth of field focal plane calculations

-

-		F32 subject_distance = 16.f;

-		if (LLViewerJoystick::getInstance()->getOverrideCamera())

-		{

-			//flycam mode, use mouse cursor as focus point

-			LLVector3 eye = LLViewerCamera::getInstance()->getOrigin();

-			subject_distance = (eye-gDebugRaycastIntersection).magVec();

-		}

-		else

-		{

-			LLViewerObject* obj = gAgentCamera.getFocusObject();

-			if (obj)

-			{

-				LLVector3 focus = LLVector3(gAgentCamera.getFocusGlobal()-gAgent.getRegion()->getOriginGlobal());

-				LLVector3 eye = LLViewerCamera::getInstance()->getOrigin();

-				subject_distance = (focus-eye).magVec();

-			}

-		}

-

-		//convert to mm

-		subject_distance *= 1000.f;

-		F32 fnumber = gSavedSettings.getF32("CameraFNumber");

-		const F32 default_focal_length = gSavedSettings.getF32("CameraFocalLength");

-		

-		F32 fov = LLViewerCamera::getInstance()->getView();

-		

-		const F32 default_fov = gSavedSettings.getF32("CameraFieldOfView") * F_PI/180.f;

-		//const F32 default_aspect_ratio = gSavedSettings.getF32("CameraAspectRatio");

-		

-		//F32 aspect_ratio = (F32) mScreen.getWidth()/(F32)mScreen.getHeight();

-		

-		F32 dv = 2.f*default_focal_length * tanf(default_fov/2.f);

-		//F32 dh = 2.f*default_focal_length * tanf(default_fov*default_aspect_ratio/2.f);

-

-		F32 focal_length = dv/(2*tanf(fov/2.f));

-		 

-		//F32 tan_pixel_angle = tanf(LLDrawable::sCurPixelAngle);

-	

-		// from wikipedia -- c = |s2-s1|/s2 * f^2/(N(S1-f))

-		// where	 N = fnumber

-		//			 s2 = dot distance

-		//			 s1 = subject distance

-		//			 f = focal length

-		//	

-

-		F32 blur_constant = focal_length*focal_length/(fnumber*(subject_distance-focal_length));

-		blur_constant /= 1000.f; //convert to meters for shader

-		F32 magnification = focal_length/(subject_distance-focal_length);

-

-		shader->uniform1f("focal_distance", -subject_distance/1000.f);

-		shader->uniform1f("blur_constant", blur_constant);

-		shader->uniform1f("tan_pixel_angle", tanf(1.f/LLDrawable::sCurPixelAngle));

-		shader->uniform1f("magnification", magnification);

-

-		S32 channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);

-		if (channel > -1)

-		{

-			mScreen.bindTexture(0, channel);

-			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		//channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);

-		//if (channel > -1)

-		//{

-			//gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		//}

-

-		gGL.begin(LLRender::TRIANGLE_STRIP);

-		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);

-		gGL.vertex2f(-1,-1);

-		

-		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);

-		gGL.vertex2f(-1,3);

-		

-		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);

-		gGL.vertex2f(3,-1);

-		

-		gGL.end();

-

-		unbindDeferredShader(*shader);

-	}

-	else

-	{

-		if (res_mod > 1)

-		{

-			tc2 /= (F32) res_mod;

-		}

-

-		U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_TEXCOORD1;

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

-		buff->allocateBuffer(3,0,TRUE);

-

-		LLStrider<LLVector3> v;

-		LLStrider<LLVector2> uv1;

-		LLStrider<LLVector2> uv2;

-

-		buff->getVertexStrider(v);

-		buff->getTexCoord0Strider(uv1);

-		buff->getTexCoord1Strider(uv2);

-		

-		uv1[0] = LLVector2(0, 0);

-		uv1[1] = LLVector2(0, 2);

-		uv1[2] = LLVector2(2, 0);

-		

-		uv2[0] = LLVector2(0, 0);

-		uv2[1] = LLVector2(0, tc2.mV[1]*2.f);

-		uv2[2] = LLVector2(tc2.mV[0]*2.f, 0);

-		

-		v[0] = LLVector3(-1,-1,0);

-		v[1] = LLVector3(-1,3,0);

-		v[2] = LLVector3(3,-1,0);

-				

-		buff->setBuffer(0);

-

-		LLGLDisable blend(GL_BLEND);

-

-		//tex unit 0

-		gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_COLOR);

-	

-		gGL.getTexUnit(0)->bind(&mGlow[1]);

-		gGL.getTexUnit(1)->activate();

-		gGL.getTexUnit(1)->enable(LLTexUnit::TT_RECT_TEXTURE);

-

-

-		//tex unit 1

-		gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_ADD, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_PREV_COLOR);

-		

-		gGL.getTexUnit(1)->bind(&mScreen);

-		gGL.getTexUnit(1)->activate();

-		

-		LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);

-		

-		buff->setBuffer(mask);

-		buff->drawArrays(LLRender::TRIANGLE_STRIP, 0, 3);

-		

-		gGL.getTexUnit(1)->disable();

-		gGL.getTexUnit(1)->setTextureBlendType(LLTexUnit::TB_MULT);

-

-		gGL.getTexUnit(0)->activate();

-		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);

-	}

-

-	if (LLRenderTarget::sUseFBO)

-	{ //copy depth buffer from mScreen to framebuffer

-		LLRenderTarget::copyContentsToFramebuffer(mScreen, 0, 0, mScreen.getWidth(), mScreen.getHeight(), 

-			0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);

-	}

-	

-	gGL.setSceneBlendType(LLRender::BT_ALPHA);

-

-	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))

-	{

-		LLVector2 tc1(0,0);

-		LLVector2 tc2((F32) gViewerWindow->getWorldViewWidthRaw()*2,

-				  (F32) gViewerWindow->getWorldViewHeightRaw()*2);

-

-		LLGLEnable blend(GL_BLEND);

-		gGL.color4f(1,1,1,0.75f);

-

-		gGL.getTexUnit(0)->bind(&mPhysicsDisplay);

-

-		gGL.begin(LLRender::TRIANGLE_STRIP);

-		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);

-		gGL.vertex2f(-1,-1);

-		

-		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);

-		gGL.vertex2f(-1,3);

-		

-		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);

-		gGL.vertex2f(3,-1);

-		

-		gGL.end();

-		gGL.flush();

-	}

-

-	glMatrixMode(GL_PROJECTION);

-	glPopMatrix();

-	glMatrixMode(GL_MODELVIEW);

-	glPopMatrix();

-

-	LLVertexBuffer::unbind();

-

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-

-}

-

-static LLFastTimer::DeclareTimer FTM_BIND_DEFERRED("Bind Deferred");

-

-void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, LLRenderTarget* gi_source, LLRenderTarget* last_gi_post, U32 noise_map)

-{

-	LLFastTimer t(FTM_BIND_DEFERRED);

-

-	if (noise_map == 0xFFFFFFFF)

-	{

-		noise_map = mNoiseMap;

-	}

-

-	LLGLState::checkTextureChannels();

-

-	shader.bind();

-	S32 channel = 0;

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		mDeferredScreen.bindTexture(0,channel);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SPECULAR, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		mDeferredScreen.bindTexture(1, channel);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_NORMAL, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		mDeferredScreen.bindTexture(2, channel);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-	if (gi_source)

-	{

-		BOOL has_gi = FALSE;

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_DIFFUSE);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			gi_source->bindTexture(0, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_SPECULAR);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			gi_source->bindTexture(1, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_NORMAL);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			gi_source->bindTexture(2, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_MIN_POS);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			gi_source->bindTexture(1, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_MAX_POS);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			gi_source->bindTexture(3, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_DIFFUSE);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			last_gi_post->bindTexture(0, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_NORMAL);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			last_gi_post->bindTexture(2, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_MAX_POS);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			last_gi_post->bindTexture(1, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_MIN_POS);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			last_gi_post->bindTexture(3, channel);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-		}

-		

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_DEPTH);

-		if (channel > -1)

-		{

-			has_gi = TRUE;

-			gGL.getTexUnit(channel)->bind(gi_source, TRUE);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-			stop_glerror();

-			

-			glTexParameteri(LLTexUnit::getInternalType(mGIMap.getUsage()), GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);		

-			glTexParameteri(LLTexUnit::getInternalType(mGIMap.getUsage()), GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA);		

-

-			stop_glerror();

-		}

-

-		if (has_gi)

-		{

-			F32 range_x = llmin(mGIRange.mV[0], 1.f);

-			F32 range_y = llmin(mGIRange.mV[1], 1.f);

-

-			LLVector2 scale(range_x,range_y);

-

-			LLVector2 kern[25];

-

-			for (S32 i = 0; i < 5; ++i)

-			{

-				for (S32 j = 0; j < 5; ++j)

-				{

-					S32 idx = i*5+j;

-					kern[idx].mV[0] = (i-2)*0.5f;

-					kern[idx].mV[1] = (j-2)*0.5f;

-					kern[idx].scaleVec(scale);

-				}

-			}

-

-			shader.uniform2fv("gi_kern", 25, (F32*) kern);

-			shader.uniformMatrix4fv("gi_mat", 1, FALSE, mGIMatrix.m);

-			shader.uniformMatrix4fv("gi_mat_proj", 1, FALSE, mGIMatrixProj.m);

-			shader.uniformMatrix4fv("gi_inv_proj", 1, FALSE, mGIInvProj.m);

-			shader.uniformMatrix4fv("gi_norm_mat", 1, FALSE, mGINormalMatrix.m);

-		}

-	}

-	

-	/*channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_POSITION, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		mDeferredScreen.bindTexture(3, channel);

-	}*/

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		gGL.getTexUnit(channel)->bind(&mDeferredDepth, TRUE);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-		stop_glerror();

-		

-		glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);		

-		glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA);		

-

-		stop_glerror();

-

-		glh::matrix4f projection = glh_get_current_projection();

-		glh::matrix4f inv_proj = projection.inverse();

-		

-		shader.uniformMatrix4fv("inv_proj", 1, FALSE, inv_proj.m);

-		shader.uniform4f("viewport", (F32) gGLViewport[0],

-									(F32) gGLViewport[1],

-									(F32) gGLViewport[2],

-									(F32) gGLViewport[3]);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_NOISE);

-	if (channel > -1)

-	{

-		gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, noise_map);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LIGHTFUNC);

-	if (channel > -1)

-	{

-		gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);

-	}

-

-	stop_glerror();

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LIGHT, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		mDeferredLight[light_index].bindTexture(0, channel);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LUMINANCE);

-	if (channel > -1)

-	{

-		gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mLuminanceMap.getTexture(), true);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_BLOOM);

-	if (channel > -1)

-	{

-		mGlow[1].bindTexture(0, channel);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LIGHT, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		gi_source->bindTexture(0, channel);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_EDGE, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		mEdgeMap.bindTexture(0, channel);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SUN_LIGHT, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		mDeferredLight[1].bindTexture(0, channel);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LOCAL_LIGHT, LLTexUnit::TT_RECT_TEXTURE);

-	if (channel > -1)

-	{

-		mDeferredLight[2].bindTexture(0, channel);

-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

-	}

-

-

-	stop_glerror();

-

-	for (U32 i = 0; i < 4; i++)

-	{

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SHADOW0+i, LLTexUnit::TT_RECT_TEXTURE);

-		stop_glerror();

-		if (channel > -1)

-		{

-			stop_glerror();

-			gGL.getTexUnit(channel)->bind(&mShadow[i], TRUE);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-			gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

-			stop_glerror();

-			

-			glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);

-			glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);

-			stop_glerror();

-		}

-	}

-

-	for (U32 i = 4; i < 6; i++)

-	{

-		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SHADOW0+i);

-		stop_glerror();

-		if (channel > -1)

-		{

-			stop_glerror();

-			gGL.getTexUnit(channel)->bind(&mShadow[i], TRUE);

-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

-			gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);

-			stop_glerror();

-			

-			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);

-			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);

-			stop_glerror();

-		}

-	}

-

-	stop_glerror();

-

-	F32 mat[16*6];

-	for (U32 i = 0; i < 16; i++)

-	{

-		mat[i] = mSunShadowMatrix[0].m[i];

-		mat[i+16] = mSunShadowMatrix[1].m[i];

-		mat[i+32] = mSunShadowMatrix[2].m[i];

-		mat[i+48] = mSunShadowMatrix[3].m[i];

-		mat[i+64] = mSunShadowMatrix[4].m[i];

-		mat[i+80] = mSunShadowMatrix[5].m[i];

-	}

-

-	shader.uniformMatrix4fv("shadow_matrix[0]", 6, FALSE, mat);

-	shader.uniformMatrix4fv("shadow_matrix", 6, FALSE, mat);

-

-	stop_glerror();

-

-	channel = shader.enableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);

-	if (channel > -1)

-	{

-		LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;

-		if (cube_map)

-		{

-			cube_map->enable(channel);

-			cube_map->bind();

-			F64* m = gGLModelView;

-

-			

-			F32 mat[] = { m[0], m[1], m[2],

-						  m[4], m[5], m[6],

-						  m[8], m[9], m[10] };

-		

-			shader.uniform3fv("env_mat[0]", 3, mat);

-			shader.uniform3fv("env_mat", 3, mat);

-		}

-	}

-

-	shader.uniform4fv("shadow_clip", 1, mSunClipPlanes.mV);

-	shader.uniform1f("sun_wash", gSavedSettings.getF32("RenderDeferredSunWash"));

-	shader.uniform1f("shadow_noise", gSavedSettings.getF32("RenderShadowNoise"));

-	shader.uniform1f("blur_size", gSavedSettings.getF32("RenderShadowBlurSize"));

-

-	shader.uniform1f("ssao_radius", gSavedSettings.getF32("RenderSSAOScale"));

-	shader.uniform1f("ssao_max_radius", gSavedSettings.getU32("RenderSSAOMaxScale"));

-

-	F32 ssao_factor = gSavedSettings.getF32("RenderSSAOFactor");

-	shader.uniform1f("ssao_factor", ssao_factor);

-	shader.uniform1f("ssao_factor_inv", 1.0/ssao_factor);

-

-	LLVector3 ssao_effect = gSavedSettings.getVector3("RenderSSAOEffect");

-	F32 matrix_diag = (ssao_effect[0] + 2.0*ssao_effect[1])/3.0;

-	F32 matrix_nondiag = (ssao_effect[0] - ssao_effect[1])/3.0;

-	// This matrix scales (proj of color onto <1/rt(3),1/rt(3),1/rt(3)>) by

-	// value factor, and scales remainder by saturation factor

-	F32 ssao_effect_mat[] = {	matrix_diag, matrix_nondiag, matrix_nondiag,

-								matrix_nondiag, matrix_diag, matrix_nondiag,

-								matrix_nondiag, matrix_nondiag, matrix_diag};

-	shader.uniformMatrix3fv("ssao_effect_mat", 1, GL_FALSE, ssao_effect_mat);

-

-	F32 shadow_offset_error = 1.f + gSavedSettings.getF32("RenderShadowOffsetError") * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2]);

-	F32 shadow_bias_error = 1.f + gSavedSettings.getF32("RenderShadowBiasError") * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2]);

-

-	shader.uniform2f("screen_res", mDeferredScreen.getWidth(), mDeferredScreen.getHeight());

-	shader.uniform1f("near_clip", LLViewerCamera::getInstance()->getNear()*2.f);

-	shader.uniform1f ("shadow_offset", gSavedSettings.getF32("RenderShadowOffset")*shadow_offset_error);

-	shader.uniform1f("shadow_bias", gSavedSettings.getF32("RenderShadowBias")*shadow_bias_error);

-	shader.uniform1f ("spot_shadow_offset", gSavedSettings.getF32("RenderSpotShadowOffset"));

-	shader.uniform1f("spot_shadow_bias", gSavedSettings.getF32("RenderSpotShadowBias"));	

-

-	shader.uniform1f("lum_scale", gSavedSettings.getF32("RenderLuminanceScale"));

-	shader.uniform1f("sun_lum_scale", gSavedSettings.getF32("RenderSunLuminanceScale"));

-	shader.uniform1f("sun_lum_offset", gSavedSettings.getF32("RenderSunLuminanceOffset"));

-	shader.uniform1f("lum_lod", gSavedSettings.getF32("RenderLuminanceDetail"));

-	shader.uniform1f("gi_range", gSavedSettings.getF32("RenderGIRange"));

-	shader.uniform1f("gi_brightness", gSavedSettings.getF32("RenderGIBrightness"));

-	shader.uniform1f("gi_luminance", gSavedSettings.getF32("RenderGILuminance"));

-	shader.uniform1f("gi_edge_weight", gSavedSettings.getF32("RenderGIBlurEdgeWeight"));

-	shader.uniform1f("gi_blur_brightness", gSavedSettings.getF32("RenderGIBlurBrightness"));

-	shader.uniform1f("gi_sample_width", mGILightRadius);

-	shader.uniform1f("gi_noise", gSavedSettings.getF32("RenderGINoise"));

-	shader.uniform1f("gi_attenuation", gSavedSettings.getF32("RenderGIAttenuation"));

-	shader.uniform1f("gi_ambiance", gSavedSettings.getF32("RenderGIAmbiance"));

-	shader.uniform2f("shadow_res", mShadow[0].getWidth(), mShadow[0].getHeight());

-	shader.uniform2f("proj_shadow_res", mShadow[4].getWidth(), mShadow[4].getHeight());

-	shader.uniform1f("depth_cutoff", gSavedSettings.getF32("RenderEdgeDepthCutoff"));

-	shader.uniform1f("norm_cutoff", gSavedSettings.getF32("RenderEdgeNormCutoff"));

-	

-

-	if (shader.getUniformLocation("norm_mat") >= 0)

-	{

-		glh::matrix4f norm_mat = glh_get_current_modelview().inverse().transpose();

-		shader.uniformMatrix4fv("norm_mat", 1, FALSE, norm_mat.m);

-	}

-}

-

-static LLFastTimer::DeclareTimer FTM_GI_TRACE("Trace");

-static LLFastTimer::DeclareTimer FTM_GI_GATHER("Gather");

-static LLFastTimer::DeclareTimer FTM_SUN_SHADOW("Shadow Map");

-static LLFastTimer::DeclareTimer FTM_SOFTEN_SHADOW("Shadow Soften");

-static LLFastTimer::DeclareTimer FTM_EDGE_DETECTION("Find Edges");

-static LLFastTimer::DeclareTimer FTM_LOCAL_LIGHTS("Local Lights");

-static LLFastTimer::DeclareTimer FTM_ATMOSPHERICS("Atmospherics");

-static LLFastTimer::DeclareTimer FTM_FULLSCREEN_LIGHTS("Fullscreen Lights");

-static LLFastTimer::DeclareTimer FTM_PROJECTORS("Projectors");

-static LLFastTimer::DeclareTimer FTM_POST("Post");

-

-

-void LLPipeline::renderDeferredLighting()

-{

-	if (!sCull)

-	{

-		return;

-	}

-

-	{

-		LLFastTimer ftm(FTM_RENDER_DEFERRED);

-

-		LLViewerCamera* camera = LLViewerCamera::getInstance();

-		{

-			LLGLDepthTest depth(GL_TRUE);

-			mDeferredDepth.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),

-							0, 0, mDeferredDepth.getWidth(), mDeferredDepth.getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);	

-		}

-

-		LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);

-

-		if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))

-		{

-			gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_HUD);

-		}

-

-		//ati doesn't seem to love actually using the stencil buffer on FBO's

-		LLGLEnable stencil(GL_STENCIL_TEST);

-		glStencilFunc(GL_EQUAL, 1, 0xFFFFFFFF);

-		glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);

-

-		gGL.setColorMask(true, true);

-		

-		//draw a cube around every light

-		LLVertexBuffer::unbind();

-

-		LLGLEnable cull(GL_CULL_FACE);

-		LLGLEnable blend(GL_BLEND);

-

-		glh::matrix4f mat = glh_copy_matrix(gGLModelView);

-

-		F32 vert[] = 

-		{

-			-1,1,

-			-1,-3,

-			3,1,

-		};

-		glVertexPointer(2, GL_FLOAT, 0, vert);

-		glColor3f(1,1,1);

-

-		{

-			setupHWLights(NULL); //to set mSunDir;

-			LLVector4 dir(mSunDir, 0.f);

-			glh::vec4f tc(dir.mV);

-			mat.mult_matrix_vec(tc);

-			glTexCoord4f(tc.v[0], tc.v[1], tc.v[2], 0);

-		}

-

-		glPushMatrix();

-		glLoadIdentity();

-		glMatrixMode(GL_PROJECTION);

-		glPushMatrix();

-		glLoadIdentity();

-

-		if (gSavedSettings.getBOOL("RenderDeferredSSAO") || gSavedSettings.getS32("RenderShadowDetail") > 0)

-		{

-			mDeferredLight[0].bindTarget();

-			{ //paint shadow/SSAO light map (direct lighting lightmap)

-				LLFastTimer ftm(FTM_SUN_SHADOW);

-				bindDeferredShader(gDeferredSunProgram, 0);

-

-				glClearColor(1,1,1,1);

-				mDeferredLight[0].clear(GL_COLOR_BUFFER_BIT);

-				glClearColor(0,0,0,0);

-

-				glh::matrix4f inv_trans = glh_get_current_modelview().inverse().transpose();

-

-				const U32 slice = 32;

-				F32 offset[slice*3];

-				for (U32 i = 0; i < 4; i++)

-				{

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

-					{

-						glh::vec3f v;

-						v.set_value(sinf(6.284f/8*j), cosf(6.284f/8*j), -(F32) i);

-						v.normalize();

-						inv_trans.mult_matrix_vec(v);

-						v.normalize();

-						offset[(i*8+j)*3+0] = v.v[0];

-						offset[(i*8+j)*3+1] = v.v[2];

-						offset[(i*8+j)*3+2] = v.v[1];

-					}

-				}

-

-				gDeferredSunProgram.uniform3fv("offset", slice, offset);

-				gDeferredSunProgram.uniform2f("screenRes", mDeferredLight[0].getWidth(), mDeferredLight[0].getHeight());

-				

-				{

-					LLGLDisable blend(GL_BLEND);

-					LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);

-					stop_glerror();

-					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-					stop_glerror();

-				}

-				

-				unbindDeferredShader(gDeferredSunProgram);

-			}

-			mDeferredLight[0].flush();

-		}

-		

-		{ //global illumination specific block (still experimental)

-			if (gSavedSettings.getBOOL("RenderDeferredBlurLight") &&

-			    gSavedSettings.getBOOL("RenderDeferredGI"))

-			{

-				LLFastTimer ftm(FTM_EDGE_DETECTION);

-				//generate edge map

-				LLGLDisable blend(GL_BLEND);

-				LLGLDisable test(GL_ALPHA_TEST);

-				LLGLDepthTest depth(GL_FALSE);

-				LLGLDisable stencil(GL_STENCIL_TEST);

-

-				{

-					gDeferredEdgeProgram.bind();

-					mEdgeMap.bindTarget();

-					bindDeferredShader(gDeferredEdgeProgram);

-					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-					unbindDeferredShader(gDeferredEdgeProgram);

-					mEdgeMap.flush();

-				}

-			}

-

-			if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)

-			{

-				{ //get luminance map from previous frame's light map

-					LLGLEnable blend(GL_BLEND);

-					LLGLDisable test(GL_ALPHA_TEST);

-					LLGLDepthTest depth(GL_FALSE);

-					LLGLDisable stencil(GL_STENCIL_TEST);

-

-					//static F32 fade = 1.f;

-

-					{

-						gGL.setSceneBlendType(LLRender::BT_ALPHA);

-						gLuminanceGatherProgram.bind();

-						gLuminanceGatherProgram.uniform2f("screen_res", mDeferredLight[0].getWidth(), mDeferredLight[0].getHeight());

-						mLuminanceMap.bindTarget();

-						bindDeferredShader(gLuminanceGatherProgram);

-						glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-						unbindDeferredShader(gLuminanceGatherProgram);

-						mLuminanceMap.flush();

-						gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLuminanceMap.getTexture(), true);

-						gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);

-						glGenerateMipmap(GL_TEXTURE_2D);

-					}

-				}

-

-				{ //paint noisy GI map (bounce lighting lightmap)

-					LLFastTimer ftm(FTM_GI_TRACE);

-					LLGLDisable blend(GL_BLEND);

-					LLGLDepthTest depth(GL_FALSE);

-					LLGLDisable test(GL_ALPHA_TEST);

-

-					mGIMapPost[0].bindTarget();

-

-					bindDeferredShader(gDeferredGIProgram, 0, &mGIMap, 0, mTrueNoiseMap);

-					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-					unbindDeferredShader(gDeferredGIProgram);

-					mGIMapPost[0].flush();

-				}

-

-				U32 pass_count = 0;

-				if (gSavedSettings.getBOOL("RenderDeferredBlurLight"))

-				{

-					pass_count = llclamp(gSavedSettings.getU32("RenderGIBlurPasses"), (U32) 1, (U32) 128);

-				}

-

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

-				{ //gather/soften indirect lighting map

-					LLFastTimer ftm(FTM_GI_GATHER);

-					bindDeferredShader(gDeferredPostGIProgram, 0, &mGIMapPost[0], NULL, mTrueNoiseMap);

-					F32 blur_size = gSavedSettings.getF32("RenderGIBlurSize")/((F32) i * gSavedSettings.getF32("RenderGIBlurIncrement")+1.f);

-					gDeferredPostGIProgram.uniform2f("delta", 1.f, 0.f);

-					gDeferredPostGIProgram.uniform1f("kern_scale", blur_size);

-					gDeferredPostGIProgram.uniform1f("gi_blur_brightness", gSavedSettings.getF32("RenderGIBlurBrightness"));

-				

-					mGIMapPost[1].bindTarget();

-					{

-						LLGLDisable blend(GL_BLEND);

-						LLGLDepthTest depth(GL_FALSE);

-						stop_glerror();

-						glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-						stop_glerror();

-					}

-					

-					mGIMapPost[1].flush();

-					unbindDeferredShader(gDeferredPostGIProgram);

-					bindDeferredShader(gDeferredPostGIProgram, 0, &mGIMapPost[1], NULL, mTrueNoiseMap);

-					mGIMapPost[0].bindTarget();

-

-					gDeferredPostGIProgram.uniform2f("delta", 0.f, 1.f);

-

-					{

-						LLGLDisable blend(GL_BLEND);

-						LLGLDepthTest depth(GL_FALSE);

-						stop_glerror();

-						glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

-						stop_glerror();

-					}

-					mGIMapPost[0].flush();

-					unbindDeferredShader(gDeferredPostGIProgram);

-				}

-			}

-		}

-

-		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))

-		{ //soften direct lighting lightmap

-			LLFastTimer ftm(FTM_SOFTEN_SHADOW);

-			//blur lightmap

-			mDeferredLight[1].bindTarget();

-

-			glClearColor(1,1,1,1);

-			mDeferredLight[1].clear(GL_COLOR_BUFFER_BIT);

-			glClearColor(0,0,0,0);

-			

-			bindDeferredShader(gDeferredBlurLightProgram);

-

-			LLVector3 go = gSavedSettings.getVector3("RenderShadowGaussian");

-			const U32 kern_length = 4;

-			F32 blur_size = gSavedSettings.getF32("RenderShadowBlurSize");

-			F32 dist_factor = gSavedSettings.getF32("RenderShadowBlurDistFactor");

-

-			// sample symmetrically with the middle sample falling exactly on 0.0

-			F32 x = 0.f;

-

-			LLVector3 gauss[32]; // xweight, yweight, offset

-

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

-			{

-				gauss[i].mV[0] = llgaussian(x, go.mV[0]);

-				gauss[i].mV[1] = llgaussian(x, go.mV[1]);

-				gauss[i].mV[2] = x;

-				x += 1.f;

-			}

-

-			gDeferredBlurLightProgram.uniform2f("delta", 1.f, 0.f);

-			gDeferredBlurLightProgram.uniform1f("dist_factor", dist_factor);

-			gDeferredBlurLightProgram.uniform3fv("kern", kern_length, gauss[0].mV);

-			gDeferredBlurLightProgram.uniform1f("kern_scale", blur_size * (kern_length/2.f - 0.5f));

-		

-			{

-				LLGLDisable blend(GL_BLEND);

-				LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);

-				stop_glerror();

-				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-				stop_glerror();

-			}

-			

-			mDeferredLight[1].flush();

-			unbindDeferredShader(gDeferredBlurLightProgram);

-

-			bindDeferredShader(gDeferredBlurLightProgram, 1);

-			mDeferredLight[0].bindTarget();

-

-			gDeferredBlurLightProgram.uniform2f("delta", 0.f, 1.f);

-

-			{

-				LLGLDisable blend(GL_BLEND);

-				LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);

-				stop_glerror();

-				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-				stop_glerror();

-			}

-			mDeferredLight[0].flush();

-			unbindDeferredShader(gDeferredBlurLightProgram);

-		}

-

-		stop_glerror();

-		glPopMatrix();

-		stop_glerror();

-		glMatrixMode(GL_MODELVIEW);

-		stop_glerror();

-		glPopMatrix();

-		stop_glerror();

-

-		//copy depth and stencil from deferred screen

-		//mScreen.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),

-		//					0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);

-

-		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)

-		{

-			mDeferredLight[1].bindTarget();

-			// clear color buffer here (GI) - zeroing alpha (glow) is important or it will accumulate against sky

-			glClearColor(0,0,0,0);

-			mScreen.clear(GL_COLOR_BUFFER_BIT);

-		}

-		else

-		{

-			mScreen.bindTarget();

-			// clear color buffer here - zeroing alpha (glow) is important or it will accumulate against sky

-			glClearColor(0,0,0,0);

-			mScreen.clear(GL_COLOR_BUFFER_BIT);

-		}

-

-		if (gSavedSettings.getBOOL("RenderDeferredAtmospheric"))

-		{ //apply sunlight contribution 

-			LLFastTimer ftm(FTM_ATMOSPHERICS);

-			bindDeferredShader(gDeferredSoftenProgram, 0, &mGIMapPost[0]);	

-			{

-				LLGLDepthTest depth(GL_FALSE);

-				LLGLDisable blend(GL_BLEND);

-				LLGLDisable test(GL_ALPHA_TEST);

-

-				//full screen blit

-				glPushMatrix();

-				glLoadIdentity();

-				glMatrixMode(GL_PROJECTION);

-				glPushMatrix();

-				glLoadIdentity();

-

-				glVertexPointer(2, GL_FLOAT, 0, vert);

-				

-				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-				

-				glPopMatrix();

-				glMatrixMode(GL_MODELVIEW);

-				glPopMatrix();

-			}

-

-			unbindDeferredShader(gDeferredSoftenProgram);

-		}

-

-		{ //render sky

-			LLGLDisable blend(GL_BLEND);

-			LLGLDisable stencil(GL_STENCIL_TEST);

-			gGL.setSceneBlendType(LLRender::BT_ALPHA);

-

-			gPipeline.pushRenderTypeMask();

-			

-			gPipeline.andRenderTypeMask(LLPipeline::RENDER_TYPE_SKY,

-										LLPipeline::RENDER_TYPE_CLOUDS,

-										LLPipeline::RENDER_TYPE_WL_SKY,

-										LLPipeline::END_RENDER_TYPES);

-								

-			

-			renderGeomPostDeferred(*LLViewerCamera::getInstance());

-			gPipeline.popRenderTypeMask();

-		}

-

-		BOOL render_local = gSavedSettings.getBOOL("RenderLocalLights");

-				

-		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)

-		{

-			mDeferredLight[1].flush();

-			mDeferredLight[2].bindTarget();

-			mDeferredLight[2].clear(GL_COLOR_BUFFER_BIT);

-		}

-

-		if (render_local)

-		{

-			gGL.setSceneBlendType(LLRender::BT_ADD);

-			std::list<LLVector4> fullscreen_lights;

-			LLDrawable::drawable_list_t spot_lights;

-			LLDrawable::drawable_list_t fullscreen_spot_lights;

-

-			for (U32 i = 0; i < 2; i++)

-			{

-				mTargetShadowSpotLight[i] = NULL;

-			}

-

-			std::list<LLVector4> light_colors;

-

-			LLVertexBuffer::unbind();

-

-			F32 v[24];

-			glVertexPointer(3, GL_FLOAT, 0, v);

-			

-			{

-				bindDeferredShader(gDeferredLightProgram);

-				LLGLDepthTest depth(GL_TRUE, GL_FALSE);

-				for (LLDrawable::drawable_set_t::iterator iter = mLights.begin(); iter != mLights.end(); ++iter)

-				{

-					LLDrawable* drawablep = *iter;

-					

-					LLVOVolume* volume = drawablep->getVOVolume();

-					if (!volume)

-					{

-						continue;

-					}

-

-					if (volume->isAttachment())

-					{

-						if (!sRenderAttachedLights)

-						{

-							continue;

-						}

-					}

-

-

-					LLVector4a center;

-					center.load3(drawablep->getPositionAgent().mV);

-					const F32* c = center.getF32ptr();

-					F32 s = volume->getLightRadius()*1.5f;

-

-					LLColor3 col = volume->getLightColor();

-					col *= volume->getLightIntensity();

-

-					if (col.magVecSquared() < 0.001f)

-					{

-						continue;

-					}

-

-					if (s <= 0.001f)

-					{

-						continue;

-					}

-

-					LLVector4a sa;

-					sa.splat(s);

-					if (camera->AABBInFrustumNoFarClip(center, sa) == 0)

-					{

-						continue;

-					}

-

-					sVisibleLightCount++;

-

-					glh::vec3f tc(c);

-					mat.mult_matrix_vec(tc);

-					

-					//vertex positions are encoded so the 3 bits of their vertex index 

-					//correspond to their axis facing, with bit position 3,2,1 matching

-					//axis facing x,y,z, bit set meaning positive facing, bit clear 

-					//meaning negative facing

-					v[0] = c[0]-s; v[1]  = c[1]-s; v[2]  = c[2]-s;  // 0 - 0000 

-					v[3] = c[0]-s; v[4]  = c[1]-s; v[5]  = c[2]+s;  // 1 - 0001

-					v[6] = c[0]-s; v[7]  = c[1]+s; v[8]  = c[2]-s;  // 2 - 0010

-					v[9] = c[0]-s; v[10] = c[1]+s; v[11] = c[2]+s;  // 3 - 0011

-																									   

-					v[12] = c[0]+s; v[13] = c[1]-s; v[14] = c[2]-s; // 4 - 0100

-					v[15] = c[0]+s; v[16] = c[1]-s; v[17] = c[2]+s; // 5 - 0101

-					v[18] = c[0]+s; v[19] = c[1]+s; v[20] = c[2]-s; // 6 - 0110

-					v[21] = c[0]+s; v[22] = c[1]+s; v[23] = c[2]+s; // 7 - 0111

-

-					if (camera->getOrigin().mV[0] > c[0] + s + 0.2f ||

-						camera->getOrigin().mV[0] < c[0] - s - 0.2f ||

-						camera->getOrigin().mV[1] > c[1] + s + 0.2f ||

-						camera->getOrigin().mV[1] < c[1] - s - 0.2f ||

-						camera->getOrigin().mV[2] > c[2] + s + 0.2f ||

-						camera->getOrigin().mV[2] < c[2] - s - 0.2f)

-					{ //draw box if camera is outside box

-						if (render_local)

-						{

-							if (volume->isLightSpotlight())

-							{

-								drawablep->getVOVolume()->updateSpotLightPriority();

-								spot_lights.push_back(drawablep);

-								continue;

-							}

-							

-							LLFastTimer ftm(FTM_LOCAL_LIGHTS);

-							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_ptr(camera, center));

-							stop_glerror();

-						}

-					}

-					else

-					{	

-						if (volume->isLightSpotlight())

-						{

-							drawablep->getVOVolume()->updateSpotLightPriority();

-							fullscreen_spot_lights.push_back(drawablep);

-							continue;

-						}

-

-						fullscreen_lights.push_back(LLVector4(tc.v[0], tc.v[1], tc.v[2], s*s));

-						light_colors.push_back(LLVector4(col.mV[0], col.mV[1], col.mV[2], volume->getLightFalloff()*0.5f));

-					}

-				}

-				unbindDeferredShader(gDeferredLightProgram);

-			}

-

-			if (!spot_lights.empty())

-			{

-				LLGLDepthTest depth(GL_TRUE, GL_FALSE);

-				bindDeferredShader(gDeferredSpotLightProgram);

-

-				gDeferredSpotLightProgram.enableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);

-

-				for (LLDrawable::drawable_list_t::iterator iter = spot_lights.begin(); iter != spot_lights.end(); ++iter)

-				{

-					LLFastTimer ftm(FTM_PROJECTORS);

-					LLDrawable* drawablep = *iter;

-

-					LLVOVolume* volume = drawablep->getVOVolume();

-

-					LLVector4a center;

-					center.load3(drawablep->getPositionAgent().mV);

-					const F32* c = center.getF32ptr();

-					F32 s = volume->getLightRadius()*1.5f;

-

-					sVisibleLightCount++;

-

-					glh::vec3f tc(c);

-					mat.mult_matrix_vec(tc);

-					

-					setupSpotLight(gDeferredSpotLightProgram, drawablep);

-					

-					LLColor3 col = volume->getLightColor();

-					col *= volume->getLightIntensity();

-

-					//vertex positions are encoded so the 3 bits of their vertex index 

-					//correspond to their axis facing, with bit position 3,2,1 matching

-					//axis facing x,y,z, bit set meaning positive facing, bit clear 

-					//meaning negative facing

-					v[0] = c[0]-s; v[1]  = c[1]-s; v[2]  = c[2]-s;  // 0 - 0000 

-					v[3] = c[0]-s; v[4]  = c[1]-s; v[5]  = c[2]+s;  // 1 - 0001

-					v[6] = c[0]-s; v[7]  = c[1]+s; v[8]  = c[2]-s;  // 2 - 0010

-					v[9] = c[0]-s; v[10] = c[1]+s; v[11] = c[2]+s;  // 3 - 0011

-																									   

-					v[12] = c[0]+s; v[13] = c[1]-s; v[14] = c[2]-s; // 4 - 0100

-					v[15] = c[0]+s; v[16] = c[1]-s; v[17] = c[2]+s; // 5 - 0101

-					v[18] = c[0]+s; v[19] = c[1]+s; v[20] = c[2]-s; // 6 - 0110

-					v[21] = c[0]+s; v[22] = c[1]+s; v[23] = c[2]+s; // 7 - 0111

-

-					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_ptr(camera, center));

-				}

-				gDeferredSpotLightProgram.disableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);

-				unbindDeferredShader(gDeferredSpotLightProgram);

-			}

-

-			{

-				bindDeferredShader(gDeferredMultiLightProgram);

-			

-				LLGLDepthTest depth(GL_FALSE);

-

-				//full screen blit

-				glPushMatrix();

-				glLoadIdentity();

-				glMatrixMode(GL_PROJECTION);

-				glPushMatrix();

-				glLoadIdentity();

-

-				U32 count = 0;

-

-				const U32 max_count = 8;

-				LLVector4 light[max_count];

-				LLVector4 col[max_count];

-

-				glVertexPointer(2, GL_FLOAT, 0, vert);

-

-				F32 far_z = 0.f;

-

-				while (!fullscreen_lights.empty())

-				{

-					LLFastTimer ftm(FTM_FULLSCREEN_LIGHTS);

-					light[count] = fullscreen_lights.front();

-					fullscreen_lights.pop_front();

-					col[count] = light_colors.front();

-					light_colors.pop_front();

-

-					far_z = llmin(light[count].mV[2]-sqrtf(light[count].mV[3]), far_z);

-

-					count++;

-					if (count == max_count || fullscreen_lights.empty())

-					{

-						gDeferredMultiLightProgram.uniform1i("light_count", count);

-						gDeferredMultiLightProgram.uniform4fv("light", count, (GLfloat*) light);

-						gDeferredMultiLightProgram.uniform4fv("light_col", count, (GLfloat*) col);

-						gDeferredMultiLightProgram.uniform1f("far_z", far_z);

-						far_z = 0.f;

-						count = 0;

-						glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-					}

-				}

-				

-				unbindDeferredShader(gDeferredMultiLightProgram);

-

-				bindDeferredShader(gDeferredMultiSpotLightProgram);

-

-				gDeferredMultiSpotLightProgram.enableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);

-

-				for (LLDrawable::drawable_list_t::iterator iter = fullscreen_spot_lights.begin(); iter != fullscreen_spot_lights.end(); ++iter)

-				{

-					LLFastTimer ftm(FTM_PROJECTORS);

-					LLDrawable* drawablep = *iter;

-					

-					LLVOVolume* volume = drawablep->getVOVolume();

-

-					LLVector3 center = drawablep->getPositionAgent();

-					F32* c = center.mV;

-					F32 s = volume->getLightRadius()*1.5f;

-

-					sVisibleLightCount++;

-

-					glh::vec3f tc(c);

-					mat.mult_matrix_vec(tc);

-					

-					setupSpotLight(gDeferredMultiSpotLightProgram, drawablep);

-

-					LLColor3 col = volume->getLightColor();

-					col *= volume->getLightIntensity();

-

-					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);

-					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);

-				}

-

-				gDeferredMultiSpotLightProgram.disableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);

-				unbindDeferredShader(gDeferredMultiSpotLightProgram);

-

-				glPopMatrix();

-				glMatrixMode(GL_MODELVIEW);

-				glPopMatrix();

-			}

-		}

-

-		gGL.setColorMask(true, true);

-

-		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)

-		{

-			mDeferredLight[2].flush();

-

-			mScreen.bindTarget();

-			mScreen.clear(GL_COLOR_BUFFER_BIT);

-		

-			gGL.setSceneBlendType(LLRender::BT_ALPHA);

-

-			{ //mix various light maps (local, sun, gi)

-				LLFastTimer ftm(FTM_POST);

-				LLGLDisable blend(GL_BLEND);

-				LLGLDisable test(GL_ALPHA_TEST);

-				LLGLDepthTest depth(GL_FALSE);

-				LLGLDisable stencil(GL_STENCIL_TEST);

-			

-				bindDeferredShader(gDeferredPostProgram, 0, &mGIMapPost[0]);

-

-				gDeferredPostProgram.bind();

-

-				LLVertexBuffer::unbind();

-

-				glVertexPointer(2, GL_FLOAT, 0, vert);

-				glColor3f(1,1,1);

-

-				glPushMatrix();

-				glLoadIdentity();

-				glMatrixMode(GL_PROJECTION);

-				glPushMatrix();

-				glLoadIdentity();

-

-				glDrawArrays(GL_TRIANGLES, 0, 3);

-

-				glPopMatrix();

-				glMatrixMode(GL_MODELVIEW);

-				glPopMatrix();

-

-				unbindDeferredShader(gDeferredPostProgram);

-			}

-		}

-	}

-

-	{ //render non-deferred geometry (alpha, fullbright, glow)

-		LLGLDisable blend(GL_BLEND);

-		LLGLDisable stencil(GL_STENCIL_TEST);

-

-		pushRenderTypeMask();

-		andRenderTypeMask(LLPipeline::RENDER_TYPE_ALPHA,

-						 LLPipeline::RENDER_TYPE_FULLBRIGHT,

-						 LLPipeline::RENDER_TYPE_VOLUME,

-						 LLPipeline::RENDER_TYPE_GLOW,

-						 LLPipeline::RENDER_TYPE_BUMP,

-						 LLPipeline::RENDER_TYPE_PASS_SIMPLE,

-						 LLPipeline::RENDER_TYPE_PASS_ALPHA,

-						 LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,

-						 LLPipeline::RENDER_TYPE_PASS_BUMP,

-						 LLPipeline::RENDER_TYPE_PASS_POST_BUMP,

-						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,

-						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,

-						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,

-						 LLPipeline::RENDER_TYPE_PASS_GLOW,

-						 LLPipeline::RENDER_TYPE_PASS_GRASS,

-						 LLPipeline::RENDER_TYPE_PASS_SHINY,

-						 LLPipeline::RENDER_TYPE_PASS_INVISIBLE,

-						 LLPipeline::RENDER_TYPE_PASS_INVISI_SHINY,

-						 LLPipeline::RENDER_TYPE_AVATAR,

-						 END_RENDER_TYPES);

-		

-		renderGeomPostDeferred(*LLViewerCamera::getInstance());

-		popRenderTypeMask();

-	}

-

-	{

-		//render highlights, etc.

-		renderHighlights();

-		mHighlightFaces.clear();

-

-		renderDebug();

-

-		LLVertexBuffer::unbind();

-

-		if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))

-		{

-			// Render debugging beacons.

-			gObjectList.renderObjectBeacons();

-			LLHUDObject::renderAll();

-			gObjectList.resetObjectBeacons();

-		}

-	}

-

-	mScreen.flush();

-						

-}

-

-void LLPipeline::setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep)

-{

-	//construct frustum

-	LLVOVolume* volume = drawablep->getVOVolume();

-	LLVector3 params = volume->getSpotLightParams();

-

-	F32 fov = params.mV[0];

-	F32 focus = params.mV[1];

-

-	LLVector3 pos = drawablep->getPositionAgent();

-	LLQuaternion quat = volume->getRenderRotation();

-	LLVector3 scale = volume->getScale();

-	

-	//get near clip plane

-	LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);

-	at_axis *= quat;

-

-	LLVector3 np = pos+at_axis;

-	at_axis.normVec();

-

-	//get origin that has given fov for plane np, at_axis, and given scale

-	F32 dist = (scale.mV[1]*0.5f)/tanf(fov*0.5f);

-

-	LLVector3 origin = np - at_axis*dist;

-

-	//matrix from volume space to agent space

-	LLMatrix4 light_mat(quat, LLVector4(origin,1.f));

-

-	glh::matrix4f light_to_agent((F32*) light_mat.mMatrix);

-	glh::matrix4f light_to_screen = glh_get_current_modelview() * light_to_agent;

-

-	glh::matrix4f screen_to_light = light_to_screen.inverse();

-

-	F32 s = volume->getLightRadius()*1.5f;

-	F32 near_clip = dist;

-	F32 width = scale.mV[VX];

-	F32 height = scale.mV[VY];

-	F32 far_clip = s+dist-scale.mV[VZ];

-

-	F32 fovy = fov * RAD_TO_DEG;

-	F32 aspect = width/height;

-

-	glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,

-				0.f, 0.5f, 0.f, 0.5f,

-				0.f, 0.f, 0.5f, 0.5f,

-				0.f, 0.f, 0.f, 1.f);

-

-	glh::vec3f p1(0, 0, -(near_clip+0.01f));

-	glh::vec3f p2(0, 0, -(near_clip+1.f));

-

-	glh::vec3f screen_origin(0, 0, 0);

-

-	light_to_screen.mult_matrix_vec(p1);

-	light_to_screen.mult_matrix_vec(p2);

-	light_to_screen.mult_matrix_vec(screen_origin);

-

-	glh::vec3f n = p2-p1;

-	n.normalize();

-	

-	F32 proj_range = far_clip - near_clip;

-	glh::matrix4f light_proj = gl_perspective(fovy, aspect, near_clip, far_clip);

-	screen_to_light = trans * light_proj * screen_to_light;

-	shader.uniformMatrix4fv("proj_mat", 1, FALSE, screen_to_light.m);

-	shader.uniform1f("proj_near", near_clip);

-	shader.uniform3fv("proj_p", 1, p1.v);

-	shader.uniform3fv("proj_n", 1, n.v);

-	shader.uniform3fv("proj_origin", 1, screen_origin.v);

-	shader.uniform1f("proj_range", proj_range);

-	shader.uniform1f("proj_ambiance", params.mV[2]);

-	S32 s_idx = -1;

-

-	for (U32 i = 0; i < 2; i++)

-	{

-		if (mShadowSpotLight[i] == drawablep)

-		{

-			s_idx = i;

-		}

-	}

-

-	shader.uniform1i("proj_shadow_idx", s_idx);

-

-	if (s_idx >= 0)

-	{

-		shader.uniform1f("shadow_fade", 1.f-mSpotLightFade[s_idx]);

-	}

-	else

-	{

-		shader.uniform1f("shadow_fade", 1.f);

-	}

-

-	{

-		LLDrawable* potential = drawablep;

-		//determine if this is a good light for casting shadows

-		F32 m_pri = volume->getSpotLightPriority();

-

-		for (U32 i = 0; i < 2; i++)

-		{

-			F32 pri = 0.f;

-

-			if (mTargetShadowSpotLight[i].notNull())

-			{

-				pri = mTargetShadowSpotLight[i]->getVOVolume()->getSpotLightPriority();			

-			}

-

-			if (m_pri > pri)

-			{

-				LLDrawable* temp = mTargetShadowSpotLight[i];

-				mTargetShadowSpotLight[i] = potential;

-				potential = temp;

-				m_pri = pri;

-			}

-		}

-	}

-

-	LLViewerTexture* img = volume->getLightTexture();

-

-	S32 channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);

-

-	if (channel > -1 && img)

-	{

-		gGL.getTexUnit(channel)->bind(img);

-

-		F32 lod_range = logf(img->getWidth())/logf(2.f);

-

-		shader.uniform1f("proj_focus", focus);

-		shader.uniform1f("proj_lod", lod_range);

-		shader.uniform1f("proj_ambient_lod", llclamp((proj_range-focus)/proj_range*lod_range, 0.f, 1.f));

-	}

-}

-

-void LLPipeline::unbindDeferredShader(LLGLSLShader &shader)

-{

-	stop_glerror();

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_POSITION, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_NORMAL, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_SPECULAR, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LIGHT, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LIGHT, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_EDGE, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_SUN_LIGHT, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LOCAL_LIGHT, LLTexUnit::TT_RECT_TEXTURE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LUMINANCE);

-	shader.disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_MIP);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_BLOOM);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_NORMAL);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_DIFFUSE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_SPECULAR);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_DEPTH);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_MIN_POS);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_MAX_POS);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_NORMAL);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_DIFFUSE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_MIN_POS);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_MAX_POS);

-

-	for (U32 i = 0; i < 4; i++)

-	{

-		if (shader.disableTexture(LLViewerShaderMgr::DEFERRED_SHADOW0+i, LLTexUnit::TT_RECT_TEXTURE) > -1)

-		{

-			glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);

-		}

-	}

-

-	for (U32 i = 4; i < 6; i++)

-	{

-		if (shader.disableTexture(LLViewerShaderMgr::DEFERRED_SHADOW0+i) > -1)

-		{

-			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);

-		}

-	}

-

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_NOISE);

-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LIGHTFUNC);

-

-	S32 channel = shader.disableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);

-	if (channel > -1)

-	{

-		LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;

-		if (cube_map)

-		{

-			cube_map->disable();

-		}

-	}

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

-	gGL.getTexUnit(0)->activate();

-	shader.unbind();

-

-	LLGLState::checkTextureChannels();

-}

-

-inline float sgn(float a)

-{

-    if (a > 0.0F) return (1.0F);

-    if (a < 0.0F) return (-1.0F);

-    return (0.0F);

-}

-

-void LLPipeline::generateWaterReflection(LLCamera& camera_in)

-{	

-	if (LLPipeline::sWaterReflections && assertInitialized() && LLDrawPoolWater::sNeedsReflectionUpdate)

-	{

-		BOOL skip_avatar_update = FALSE;

-		if (!isAgentAvatarValid() || gAgentCamera.getCameraAnimating() || gAgentCamera.getCameraMode() != CAMERA_MODE_MOUSELOOK)

-		{

-			skip_avatar_update = TRUE;

-		}

-

-		if (!skip_avatar_update)

-		{

-			gAgentAvatarp->updateAttachmentVisibility(CAMERA_MODE_THIRD_PERSON);

-		}

-		LLVertexBuffer::unbind();

-

-		LLGLState::checkStates();

-		LLGLState::checkTextureChannels();

-		LLGLState::checkClientArrays();

-

-		LLCamera camera = camera_in;

-		camera.setFar(camera.getFar()*0.87654321f);

-		LLPipeline::sReflectionRender = TRUE;

-		

-		gPipeline.pushRenderTypeMask();

-

-		glh::matrix4f projection = glh_get_current_projection();

-		glh::matrix4f mat;

-

-		stop_glerror();

-		LLPlane plane;

-

-		F32 height = gAgent.getRegion()->getWaterHeight(); 

-		F32 to_clip = fabsf(camera.getOrigin().mV[2]-height);

-		F32 pad = -to_clip*0.05f; //amount to "pad" clip plane by

-

-		//plane params

-		LLVector3 pnorm;

-		F32 pd;

-

-		S32 water_clip = 0;

-		if (!LLViewerCamera::getInstance()->cameraUnderWater())

-		{ //camera is above water, clip plane points up

-			pnorm.setVec(0,0,1);

-			pd = -height;

-			plane.setVec(pnorm, pd);

-			water_clip = -1;

-		}

-		else

-		{	//camera is below water, clip plane points down

-			pnorm = LLVector3(0,0,-1);

-			pd = height;

-			plane.setVec(pnorm, pd);

-			water_clip = 1;

-		}

-

-		if (!LLViewerCamera::getInstance()->cameraUnderWater())

-		{	//generate planar reflection map

-			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;

-

-			glh_set_current_modelview(mat);

-			glLoadMatrixf(mat.m);

-

-			LLViewerCamera::updateFrustumPlanes(camera, FALSE, TRUE);

-

-			glh::matrix4f inv_mat = mat.inverse();

-

-			glh::vec3f origin(0,0,0);

-			inv_mat.mult_matrix_vec(origin);

-

-			camera.setOrigin(origin.v);

-

-			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);

-

-					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);

-

-					//bad pop here 

-					renderGeom(camera, TRUE);

-

-					gPipeline.popRenderTypeMask();

-				}

-

-				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);	

-

-				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)

-							{

-								clearRenderTypeMask(LLPipeline::RENDER_TYPE_VOLUME, END_RENDER_TYPES);

-							}

-						}

-					}

-

-					LLGLUserClipPlane clip_plane(plane, mat, projection);

-					LLGLDisable cull(GL_CULL_FACE);

-					updateCull(camera, ref_result, 1);

-					stateSort(camera, ref_result);

-				}	

-

-				if (LLDrawPoolWater::sNeedsDistortionUpdate)

-				{

-					if (gSavedSettings.getS32("RenderReflectionDetail") > 0)

-					{

-						gPipeline.grabReferences(ref_result);

-						LLGLUserClipPlane clip_plane(plane, mat, projection);

-						renderGeom(camera);

-					}

-				}	

-

-				gPipeline.popRenderTypeMask();

-			}	

-			glCullFace(GL_BACK);

-			glPopMatrix();

-			mWaterRef.flush();

-			glh_set_current_modelview(current);

-		}

-

-		camera.setOrigin(camera_in.getOrigin());

-		//render distortion map

-		static BOOL last_update = TRUE;

-		if (last_update)

-		{

-			camera.setFar(camera_in.getFar());

-			clearRenderTypeMask(LLPipeline::RENDER_TYPE_WATER,

-								LLPipeline::RENDER_TYPE_VOIDWATER,

-								LLPipeline::RENDER_TYPE_GROUND,

-								END_RENDER_TYPES);	

-			stop_glerror();

-

-			LLPipeline::sUnderWaterRender = LLViewerCamera::getInstance()->cameraUnderWater() ? FALSE : TRUE;

-

-			if (LLPipeline::sUnderWaterRender)

-			{

-				clearRenderTypeMask(LLPipeline::RENDER_TYPE_GROUND,

-									LLPipeline::RENDER_TYPE_SKY,

-									LLPipeline::RENDER_TYPE_CLOUDS,

-									LLPipeline::RENDER_TYPE_WL_SKY,

-									END_RENDER_TYPES);		

-			}

-			LLViewerCamera::updateFrustumPlanes(camera);

-

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

-			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)

-			{

-				//clip out geometry on the same side of water as the camera

-				mat = glh_get_current_modelview();

-				LLGLUserClipPlane clip_plane(LLPlane(-pnorm, -(pd+pad)), mat, projection);

-				static LLCullResult result;

-				updateCull(camera, result, water_clip);

-				stateSort(camera, result);

-

-				gGL.setColorMask(true, true);

-				mWaterDis.clear();

-				gGL.setColorMask(true, false);

-

-				renderGeom(camera);

-			}

-

-			LLPipeline::sUnderWaterRender = FALSE;

-			mWaterDis.flush();

-		}

-		last_update = LLDrawPoolWater::sNeedsReflectionUpdate && LLDrawPoolWater::sNeedsDistortionUpdate;

-

-		LLRenderTarget::unbindTarget();

-

-		LLPipeline::sReflectionRender = FALSE;

-

-		if (!LLRenderTarget::sUseFBO)

-		{

-			glClear(GL_DEPTH_BUFFER_BIT);

-		}

-		glClearColor(0.f, 0.f, 0.f, 0.f);

-		gViewerWindow->setup3DViewport();

-		gPipeline.popRenderTypeMask();

-		LLDrawPoolWater::sNeedsReflectionUpdate = FALSE;

-		LLDrawPoolWater::sNeedsDistortionUpdate = FALSE;

-		LLPlane npnorm(-pnorm, -pd);

-		LLViewerCamera::getInstance()->setUserClipPlane(npnorm);

-		

-		LLGLState::checkStates();

-		LLGLState::checkTextureChannels();

-		LLGLState::checkClientArrays();

-

-		if (!skip_avatar_update)

-		{

-			gAgentAvatarp->updateAttachmentVisibility(gAgentCamera.getCameraMode());

-		}

-

-		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;

-	}

-}

-

-glh::matrix4f look(const LLVector3 pos, const LLVector3 dir, const LLVector3 up)

-{

-	glh::matrix4f ret;

-

-	LLVector3 dirN;

-	LLVector3 upN;

-	LLVector3 lftN;

-

-	lftN = dir % up;

-	lftN.normVec();

-	

-	upN = lftN % dir;

-	upN.normVec();

-	

-	dirN = dir;

-	dirN.normVec();

-

-	ret.m[ 0] = lftN[0];

-	ret.m[ 1] = upN[0];

-	ret.m[ 2] = -dirN[0];

-	ret.m[ 3] = 0.f;

-

-	ret.m[ 4] = lftN[1];

-	ret.m[ 5] = upN[1];

-	ret.m[ 6] = -dirN[1];

-	ret.m[ 7] = 0.f;

-

-	ret.m[ 8] = lftN[2];

-	ret.m[ 9] = upN[2];

-	ret.m[10] = -dirN[2];

-	ret.m[11] = 0.f;

-

-	ret.m[12] = -(lftN*pos);

-	ret.m[13] = -(upN*pos);

-	ret.m[14] = dirN*pos;

-	ret.m[15] = 1.f;

-

-	return ret;

-}

-

-glh::matrix4f scale_translate_to_fit(const LLVector3 min, const LLVector3 max)

-{

-	glh::matrix4f ret;

-	ret.m[ 0] = 2/(max[0]-min[0]);

-	ret.m[ 4] = 0;

-	ret.m[ 8] = 0;

-	ret.m[12] = -(max[0]+min[0])/(max[0]-min[0]);

-

-	ret.m[ 1] = 0;

-	ret.m[ 5] = 2/(max[1]-min[1]);

-	ret.m[ 9] = 0;

-	ret.m[13] = -(max[1]+min[1])/(max[1]-min[1]);

-

-	ret.m[ 2] = 0;

-	ret.m[ 6] = 0;

-	ret.m[10] = 2/(max[2]-min[2]);

-	ret.m[14] = -(max[2]+min[2])/(max[2]-min[2]);

-

-	ret.m[ 3] = 0;

-	ret.m[ 7] = 0;

-	ret.m[11] = 0;

-	ret.m[15] = 1;

-

-	return ret;

-}

-

-static LLFastTimer::DeclareTimer FTM_SHADOW_RENDER("Render Shadows");

-static LLFastTimer::DeclareTimer FTM_SHADOW_ALPHA("Alpha Shadow");

-static LLFastTimer::DeclareTimer FTM_SHADOW_SIMPLE("Simple Shadow");

-

-void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera& shadow_cam, LLCullResult &result, BOOL use_shader, BOOL use_occlusion)

-{

-	LLFastTimer t(FTM_SHADOW_RENDER);

-

-	//clip out geometry on the same side of water as the camera

-	S32 occlude = LLPipeline::sUseOcclusion;

-	if (!use_occlusion)

-	{

-		LLPipeline::sUseOcclusion = 0;

-	}

-	LLPipeline::sShadowRender = TRUE;

-	

-	U32 types[] = { LLRenderPass::PASS_SIMPLE, LLRenderPass::PASS_FULLBRIGHT, LLRenderPass::PASS_SHINY, LLRenderPass::PASS_BUMP, LLRenderPass::PASS_FULLBRIGHT_SHINY };

-	LLGLEnable cull(GL_CULL_FACE);

-

-	if (use_shader)

-	{

-		gDeferredShadowProgram.bind();

-	}

-

-	updateCull(shadow_cam, result);

-	stateSort(shadow_cam, result);

-	

-	//generate shadow map

-	glMatrixMode(GL_PROJECTION);

-	glPushMatrix();

-	glLoadMatrixf(proj.m);

-	glMatrixMode(GL_MODELVIEW);

-	glPushMatrix();

-	glLoadMatrixd(gGLModelView);

-

-	stop_glerror();

-	gGLLastMatrix = NULL;

-

-	{

-		//LLGLDepthTest depth(GL_TRUE);

-		//glClear(GL_DEPTH_BUFFER_BIT);

-	}

-

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

-			

-	glColor4f(1,1,1,1);

-	

-	stop_glerror();

-

-	gGL.setColorMask(false, false);

-	

-	//glCullFace(GL_FRONT);

-

-	LLVertexBuffer::unbind();

-

-	{

-		LLFastTimer ftm(FTM_SHADOW_SIMPLE);

-		LLGLDisable test(GL_ALPHA_TEST);

-		gGL.getTexUnit(0)->disable();

-		for (U32 i = 0; i < sizeof(types)/sizeof(U32); ++i)

-		{

-			renderObjects(types[i], LLVertexBuffer::MAP_VERTEX, FALSE);

-		}

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

-	}

-	

-	if (use_shader)

-	{

-		gDeferredShadowProgram.unbind();

-		renderGeomShadow(shadow_cam);

-		gDeferredShadowProgram.bind();

-	}

-	else

-	{

-		renderGeomShadow(shadow_cam);

-	}

-

-	{

-		LLFastTimer ftm(FTM_SHADOW_ALPHA);

-		LLGLEnable test(GL_ALPHA_TEST);

-		gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.6f);

-		renderObjects(LLRenderPass::PASS_ALPHA_SHADOW, LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_COLOR, TRUE);

-		glColor4f(1,1,1,1);

-		renderObjects(LLRenderPass::PASS_GRASS, LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0, TRUE);

-		gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);

-	}

-

-	//glCullFace(GL_BACK);

-

-	gGLLastMatrix = NULL;

-	glLoadMatrixd(gGLModelView);

-	doOcclusion(shadow_cam);

-

-	if (use_shader)

-	{

-		gDeferredShadowProgram.unbind();

-	}

-	

-	gGL.setColorMask(true, true);

-			

-	glMatrixMode(GL_PROJECTION);

-	glPopMatrix();

-	glMatrixMode(GL_MODELVIEW);

-	glPopMatrix();

-	gGLLastMatrix = NULL;

-

-	LLPipeline::sUseOcclusion = occlude;

-	LLPipeline::sShadowRender = FALSE;

-}

-

-static LLFastTimer::DeclareTimer FTM_VISIBLE_CLOUD("Visible Cloud");

-BOOL LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector3& max, std::vector<LLVector3>& fp, LLVector3 light_dir)

-{

-	LLFastTimer t(FTM_VISIBLE_CLOUD);

-	//get point cloud of intersection of frust and min, max

-

-	if (getVisibleExtents(camera, min, max))

-	{

-		return FALSE;

-	}

-

-	//get set of planes on bounding box

-	LLPlane bp[] = { 

-		LLPlane(min, LLVector3(-1,0,0)),

-		LLPlane(min, LLVector3(0,-1,0)),

-		LLPlane(min, LLVector3(0,0,-1)),

-		LLPlane(max, LLVector3(1,0,0)),

-		LLPlane(max, LLVector3(0,1,0)),

-		LLPlane(max, LLVector3(0,0,1))};

-	

-	//potential points

-	std::vector<LLVector3> pp;

-

-	//add corners of AABB

-	pp.push_back(LLVector3(min.mV[0], min.mV[1], min.mV[2]));

-	pp.push_back(LLVector3(max.mV[0], min.mV[1], min.mV[2]));

-	pp.push_back(LLVector3(min.mV[0], max.mV[1], min.mV[2]));

-	pp.push_back(LLVector3(max.mV[0], max.mV[1], min.mV[2]));

-	pp.push_back(LLVector3(min.mV[0], min.mV[1], max.mV[2]));

-	pp.push_back(LLVector3(max.mV[0], min.mV[1], max.mV[2]));

-	pp.push_back(LLVector3(min.mV[0], max.mV[1], max.mV[2]));

-	pp.push_back(LLVector3(max.mV[0], max.mV[1], max.mV[2]));

-

-	//add corners of camera frustum

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

-	{

-		pp.push_back(camera.mAgentFrustum[i]);

-	}

-

-

-	//bounding box line segments

-	U32 bs[] = 

-			{

-		0,1,

-		1,3,

-		3,2,

-		2,0,

-

-		4,5,

-		5,7,

-		7,6,

-		6,4,

-

-		0,4,

-		1,5,

-		3,7,

-		2,6

-	};

-

-	for (U32 i = 0; i < 12; i++)

-	{ //for each line segment in bounding box

-		for (U32 j = 0; j < 6; j++) 

-		{ //for each plane in camera frustum

-			const LLPlane& cp = camera.getAgentPlane(j);

-			const LLVector3& v1 = pp[bs[i*2+0]];

-			const LLVector3& v2 = pp[bs[i*2+1]];

-			LLVector3 n;

-			cp.getVector3(n);

-

-			LLVector3 line = v1-v2;

-

-			F32 d1 = line*n;

-			F32 d2 = -cp.dist(v2);

-

-			F32 t = d2/d1;

-

-			if (t > 0.f && t < 1.f)

-			{

-				LLVector3 intersect = v2+line*t;

-				pp.push_back(intersect);

-			}

-		}

-	}

-			

-	//camera frustum line segments

-	const U32 fs[] =

-	{

-		0,1,

-		1,2,

-		2,3,

-		3,0,

-

-		4,5,

-		5,6,

-		6,7,

-		7,4,

-	

-		0,4,

-		1,5,

-		2,6,

-		3,7	

-	};

-

-	LLVector3 center = (max+min)*0.5f;

-	LLVector3 size = (max-min)*0.5f;

-	

-	for (U32 i = 0; i < 12; i++)

-	{

-		for (U32 j = 0; j < 6; ++j)

-		{

-			const LLVector3& v1 = pp[fs[i*2+0]+8];

-			const LLVector3& v2 = pp[fs[i*2+1]+8];

-			const LLPlane& cp = bp[j];

-			LLVector3 n;

-			cp.getVector3(n);

-

-			LLVector3 line = v1-v2;

-

-			F32 d1 = line*n;

-			F32 d2 = -cp.dist(v2);

-

-			F32 t = d2/d1;

-

-			if (t > 0.f && t < 1.f)

-			{

-				LLVector3 intersect = v2+line*t;

-				pp.push_back(intersect);

-			}	

-		}

-	}

-

-	LLVector3 ext[] = { min-LLVector3(0.05f,0.05f,0.05f),

-		max+LLVector3(0.05f,0.05f,0.05f) };

-

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

-	{

-		bool found = true;

-

-		const F32* p = pp[i].mV;

-			

-		for (U32 j = 0; j < 3; ++j)

-		{

-			if (p[j] < ext[0].mV[j] ||

-				p[j] > ext[1].mV[j])

-			{

-				found = false;

-				break;

-			}

-		}

-				

-		for (U32 j = 0; j < 6; ++j)

-		{

-			const LLPlane& cp = camera.getAgentPlane(j);

-			F32 dist = cp.dist(pp[i]);

-			if (dist > 0.05f) //point is above some plane, not contained

-					{

-				found = false;

-				break;

-						}

-					}

-

-					if (found)

-					{

-			fp.push_back(pp[i]);

-		}

-	}

-	

-	if (fp.empty())

-	{

-		return FALSE;

-	}

-	

-	return TRUE;

-}

-

-void LLPipeline::generateGI(LLCamera& camera, LLVector3& lightDir, std::vector<LLVector3>& vpc)

-{

-	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) < 3)

-	{

-		return;

-	}

-

-	LLVector3 up;

-

-	//LLGLEnable depth_clamp(GL_DEPTH_CLAMP_NV);

-

-	if (lightDir.mV[2] > 0.5f)

-	{

-		up = LLVector3(1,0,0);

-	}

-	else

-	{

-		up = LLVector3(0, 0, 1);

-	}

-

-	

-	F32 gi_range = gSavedSettings.getF32("RenderGIRange");

-

-	U32 res = mGIMap.getWidth();

-

-	F32 atten = llmax(gSavedSettings.getF32("RenderGIAttenuation"), 0.001f);

-

-	//set radius to range at which distance attenuation of incoming photons is near 0

-

-	F32 lrad = sqrtf(1.f/(atten*0.01f));

-

-	F32 lrange = lrad+gi_range*0.5f;

-

-	LLVector3 pad(lrange,lrange,lrange);

-

-	glh::matrix4f view = look(LLVector3(128.f,128.f,128.f), lightDir, up);

-

-	LLVector3 cp = camera.getOrigin()+camera.getAtAxis()*(gi_range*0.5f);

-

-	glh::vec3f scp(cp.mV);

-	view.mult_matrix_vec(scp);

-	cp.setVec(scp.v);

-

-	F32 pix_width = lrange/(res*0.5f);

-

-	//move cp to the nearest pix_width

-	for (U32 i = 0; i < 3; i++)

-	{

-		cp.mV[i] = llround(cp.mV[i], pix_width);

-	}

-	

-	LLVector3 min = cp-pad;

-	LLVector3 max = cp+pad;

-	

-	//set mGIRange to range in tc space[0,1] that covers texture block of intersecting lights around a point

-	mGIRange.mV[0] = (max.mV[0]-min.mV[0])/res;

-	mGIRange.mV[1] = (max.mV[1]-min.mV[1])/res;

-	mGILightRadius = lrad/lrange*0.5f;

-

-	glh::matrix4f proj = gl_ortho(min.mV[0], max.mV[0],

-								min.mV[1], max.mV[1],

-								-max.mV[2], -min.mV[2]);

-

-	LLCamera sun_cam = camera;

-

-	glh::matrix4f eye_view = glh_get_current_modelview();

-	

-	//get eye space to camera space matrix

-	mGIMatrix = view*eye_view.inverse();

-	mGINormalMatrix = mGIMatrix.inverse().transpose();

-	mGIInvProj = proj.inverse();

-	mGIMatrixProj = proj*mGIMatrix;

-

-	//translate and scale to [0,1]

-	glh::matrix4f trans(.5f, 0.f, 0.f, .5f,

-						0.f, 0.5f, 0.f, 0.5f,

-						0.f, 0.f, 0.5f, 0.5f,

-						0.f, 0.f, 0.f, 1.f);

-

-	mGIMatrixProj = trans*mGIMatrixProj;

-

-	glh_set_current_modelview(view);

-	glh_set_current_projection(proj);

-

-	LLViewerCamera::updateFrustumPlanes(sun_cam, TRUE, FALSE, TRUE);

-

-	sun_cam.ignoreAgentFrustumPlane(LLCamera::AGENT_PLANE_NEAR);

-	static LLCullResult result;

-

-	pushRenderTypeMask();

-

-	andRenderTypeMask(LLPipeline::RENDER_TYPE_SIMPLE,

-								 LLPipeline::RENDER_TYPE_FULLBRIGHT,

-								 LLPipeline::RENDER_TYPE_BUMP,

-								 LLPipeline::RENDER_TYPE_VOLUME,

-								 LLPipeline::RENDER_TYPE_TREE, 

-								 LLPipeline::RENDER_TYPE_TERRAIN,

-								 LLPipeline::RENDER_TYPE_WATER,

-								 LLPipeline::RENDER_TYPE_VOIDWATER,

-								 LLPipeline::RENDER_TYPE_PASS_ALPHA_SHADOW,

-								 LLPipeline::RENDER_TYPE_AVATAR,

-								 LLPipeline::RENDER_TYPE_PASS_SIMPLE,

-								 LLPipeline::RENDER_TYPE_PASS_BUMP,

-								 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,

-								 LLPipeline::RENDER_TYPE_PASS_SHINY,

-								 END_RENDER_TYPES);

-

-

-	

-	S32 occlude = LLPipeline::sUseOcclusion;

-	//LLPipeline::sUseOcclusion = 0;

-	LLPipeline::sShadowRender = TRUE;

-	

-	//only render large objects into GI map

-	sMinRenderSize = gSavedSettings.getF32("RenderGIMinRenderSize");

-	

-	LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_GI_SOURCE;

-	mGIMap.bindTarget();

-	

-	F64 last_modelview[16];

-	F64 last_projection[16];

-	for (U32 i = 0; i < 16; i++)

-	{

-		last_modelview[i] = gGLLastModelView[i];

-		last_projection[i] = gGLLastProjection[i];

-		gGLLastModelView[i] = mGIModelview.m[i];

-		gGLLastProjection[i] = mGIProjection.m[i];

-	}

-

-	sun_cam.setOrigin(0.f, 0.f, 0.f);

-	updateCull(sun_cam, result);

-	stateSort(sun_cam, result);

-	

-	for (U32 i = 0; i < 16; i++)

-	{

-		gGLLastModelView[i] = last_modelview[i];

-		gGLLastProjection[i] = last_projection[i];

-	}

-

-	mGIProjection = proj;

-	mGIModelview = view;

-

-	LLGLEnable cull(GL_CULL_FACE);

-

-	//generate GI map

-	glMatrixMode(GL_PROJECTION);

-	glPushMatrix();

-	glLoadMatrixf(proj.m);

-	glMatrixMode(GL_MODELVIEW);

-	glPushMatrix();

-	glLoadMatrixf(view.m);

-

-	stop_glerror();

-	gGLLastMatrix = NULL;

-

-	mGIMap.clear();

-

-	{

-		//LLGLEnable enable(GL_DEPTH_CLAMP_NV);

-		renderGeomDeferred(camera);

-	}

-

-	mGIMap.flush();

-	

-	glMatrixMode(GL_PROJECTION);

-	glPopMatrix();

-	glMatrixMode(GL_MODELVIEW);

-	glPopMatrix();

-	gGLLastMatrix = NULL;

-

-	LLPipeline::sUseOcclusion = occlude;

-	LLPipeline::sShadowRender = FALSE;

-	sMinRenderSize = 0.f;

-

-	popRenderTypeMask();

-

-}

-

-void LLPipeline::renderHighlight(const LLViewerObject* obj, F32 fade)

-{

-	if (obj && obj->getVolume())

-	{

-		for (LLViewerObject::child_list_t::const_iterator iter = obj->getChildren().begin(); iter != obj->getChildren().end(); ++iter)

-		{

-			renderHighlight(*iter, fade);

-		}

-

-		LLDrawable* drawable = obj->mDrawable;

-		if (drawable)

-		{

-			for (S32 i = 0; i < drawable->getNumFaces(); ++i)

-			{

-				LLFace* face = drawable->getFace(i);

-				if (face)

-				{

-					face->renderSelected(LLViewerTexture::sNullImagep, LLColor4(1,1,1,fade));

-				}

-			}

-		}

-	}

-}

-

-void LLPipeline::generateHighlight(LLCamera& camera)

-{

-	//render highlighted object as white into offscreen render target

-	if (mHighlightObject.notNull())

-	{

-		mHighlightSet.insert(HighlightItem(mHighlightObject));

-	}

-	

-	if (!mHighlightSet.empty())

-	{

-		F32 transition = gFrameIntervalSeconds/gSavedSettings.getF32("RenderHighlightFadeTime");

-

-		LLGLDisable test(GL_ALPHA_TEST);

-		LLGLDepthTest depth(GL_FALSE);

-		mHighlight.bindTarget();

-		disableLights();

-		gGL.setColorMask(true, true);

-		mHighlight.clear();

-

-		gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep);

-		for (std::set<HighlightItem>::iterator iter = mHighlightSet.begin(); iter != mHighlightSet.end(); )

-		{

-			std::set<HighlightItem>::iterator cur_iter = iter++;

-

-			if (cur_iter->mItem.isNull())

-			{

-				mHighlightSet.erase(cur_iter);

-				continue;

-			}

-

-			if (cur_iter->mItem == mHighlightObject)

-			{

-				cur_iter->incrFade(transition); 

-			}

-			else

-			{

-				cur_iter->incrFade(-transition);

-				if (cur_iter->mFade <= 0.f)

-				{

-					mHighlightSet.erase(cur_iter);

-					continue;

-				}

-			}

-

-			renderHighlight(cur_iter->mItem->getVObj(), cur_iter->mFade);

-		}

-

-		mHighlight.flush();

-		gGL.setColorMask(true, false);

-		gViewerWindow->setup3DViewport();

-	}

-}

-

-

-void LLPipeline::generateSunShadow(LLCamera& camera)

-{

-	if (!sRenderDeferred || gSavedSettings.getS32("RenderShadowDetail") <= 0)

-	{

-		return;

-	}

-

-	F64 last_modelview[16];

-	F64 last_projection[16];

-	for (U32 i = 0; i < 16; i++)

-	{ //store last_modelview of world camera

-		last_modelview[i] = gGLLastModelView[i];

-		last_projection[i] = gGLLastProjection[i];

-	}

-

-	pushRenderTypeMask();

-	andRenderTypeMask(LLPipeline::RENDER_TYPE_SIMPLE,

-					LLPipeline::RENDER_TYPE_ALPHA,

-					LLPipeline::RENDER_TYPE_GRASS,

-					LLPipeline::RENDER_TYPE_FULLBRIGHT,

-					LLPipeline::RENDER_TYPE_BUMP,

-					LLPipeline::RENDER_TYPE_VOLUME,

-					LLPipeline::RENDER_TYPE_AVATAR,

-					LLPipeline::RENDER_TYPE_TREE, 

-					LLPipeline::RENDER_TYPE_TERRAIN,

-					LLPipeline::RENDER_TYPE_WATER,

-					LLPipeline::RENDER_TYPE_VOIDWATER,

-					LLPipeline::RENDER_TYPE_PASS_ALPHA_SHADOW,

-					LLPipeline::RENDER_TYPE_PASS_SIMPLE,

-					LLPipeline::RENDER_TYPE_PASS_BUMP,

-					LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,

-					LLPipeline::RENDER_TYPE_PASS_SHINY,

-					LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,

-					END_RENDER_TYPES);

-

-	gGL.setColorMask(false, false);

-

-	//get sun view matrix

-	

-	//store current projection/modelview matrix

-	glh::matrix4f saved_proj = glh_get_current_projection();

-	glh::matrix4f saved_view = glh_get_current_modelview();

-	glh::matrix4f inv_view = saved_view.inverse();

-

-	glh::matrix4f view[6];

-	glh::matrix4f proj[6];

-	

-	//clip contains parallel split distances for 3 splits

-	LLVector3 clip = gSavedSettings.getVector3("RenderShadowClipPlanes");

-

-	//F32 slope_threshold = gSavedSettings.getF32("RenderShadowSlopeThreshold");

-

-	//far clip on last split is minimum of camera view distance and 128

-	mSunClipPlanes = LLVector4(clip, clip.mV[2] * clip.mV[2]/clip.mV[1]);

-

-	clip = gSavedSettings.getVector3("RenderShadowOrthoClipPlanes");

-	mSunOrthoClipPlanes = LLVector4(clip, clip.mV[2]*clip.mV[2]/clip.mV[1]);

-

-	//currently used for amount to extrude frusta corners for constructing shadow frusta

-	LLVector3 n = gSavedSettings.getVector3("RenderShadowNearDist");

-	//F32 nearDist[] = { n.mV[0], n.mV[1], n.mV[2], n.mV[2] };

-

-	//put together a universal "near clip" plane for shadow frusta

-	LLPlane shadow_near_clip;

-	{

-		LLVector3 p = gAgent.getPositionAgent();

-		p += mSunDir * gSavedSettings.getF32("RenderFarClip")*2.f;

-		shadow_near_clip.setVec(p, mSunDir);

-	}

-

-	LLVector3 lightDir = -mSunDir;

-	lightDir.normVec();

-

-	glh::vec3f light_dir(lightDir.mV);

-

-	//create light space camera matrix

-	

-	LLVector3 at = lightDir;

-

-	LLVector3 up = camera.getAtAxis();

-

-	if (fabsf(up*lightDir) > 0.75f)

-	{

-		up = camera.getUpAxis();

-	}

-

-	/*LLVector3 left = up%at;

-	up = at%left;*/

-

-	up.normVec();

-	at.normVec();

-	

-	

-	LLCamera main_camera = camera;

-	

-	F32 near_clip = 0.f;

-	{

-		//get visible point cloud

-		std::vector<LLVector3> fp;

-

-		main_camera.calcAgentFrustumPlanes(main_camera.mAgentFrustum);

-		

-		LLVector3 min,max;

-		getVisiblePointCloud(main_camera,min,max,fp);

-

-		if (fp.empty())

-		{

-			if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA))

-			{

-				mShadowCamera[0] = main_camera;

-				mShadowExtents[0][0] = min;

-				mShadowExtents[0][1] = max;

-

-				mShadowFrustPoints[0].clear();

-				mShadowFrustPoints[1].clear();

-				mShadowFrustPoints[2].clear();

-				mShadowFrustPoints[3].clear();

-			}

-			popRenderTypeMask();

-			return;

-		}

-

-		generateGI(camera, lightDir, fp);

-

-		//get good split distances for frustum

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

-		{

-			glh::vec3f v(fp[i].mV);

-			saved_view.mult_matrix_vec(v);

-			fp[i].setVec(v.v);

-		}

-

-		min = fp[0];

-		max = fp[0];

-

-		//get camera space bounding box

-		for (U32 i = 1; i < fp.size(); ++i)

-		{

-			update_min_max(min, max, fp[i]);

-		}

-

-		near_clip = -max.mV[2];

-		F32 far_clip = -min.mV[2]*2.f;

-

-		far_clip = llmin(far_clip, 128.f);

-		far_clip = llmin(far_clip, camera.getFar());

-

-		F32 range = far_clip-near_clip;

-

-		LLVector3 split_exp = gSavedSettings.getVector3("RenderShadowSplitExponent");

-

-		F32 da = 1.f-llmax( fabsf(lightDir*up), fabsf(lightDir*camera.getLeftAxis()) );

-		

-		da = powf(da, split_exp.mV[2]);

-

-

-		F32 sxp = split_exp.mV[1] + (split_exp.mV[0]-split_exp.mV[1])*da;

-

-

-		for (U32 i = 0; i < 4; ++i)

-		{

-			F32 x = (F32)(i+1)/4.f;

-			x = powf(x, sxp);

-			mSunClipPlanes.mV[i] = near_clip+range*x;

-		}

-	}

-

-	// convenience array of 4 near clip plane distances

-	F32 dist[] = { near_clip, mSunClipPlanes.mV[0], mSunClipPlanes.mV[1], mSunClipPlanes.mV[2], mSunClipPlanes.mV[3] };

-	

-	for (S32 j = 0; j < 4; j++)

-	{

-		if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA))

-		{

-			mShadowFrustPoints[j].clear();

-		}

-

-		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW0+j;

-

-		//restore render matrices

-		glh_set_current_modelview(saved_view);

-		glh_set_current_projection(saved_proj);

-

-		LLVector3 eye = camera.getOrigin();

-

-		//camera used for shadow cull/render

-		LLCamera shadow_cam;

-		

-		//create world space camera frustum for this split

-		shadow_cam = camera;

-		shadow_cam.setFar(16.f);

-	

-		LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);

-

-		LLVector3* frust = shadow_cam.mAgentFrustum;

-

-		LLVector3 pn = shadow_cam.getAtAxis();

-		

-		LLVector3 min, max;

-

-		//construct 8 corners of split frustum section

-		for (U32 i = 0; i < 4; i++)

-		{

-			LLVector3 delta = frust[i+4]-eye;

-			delta += (frust[i+4]-frust[(i+2)%4+4])*0.05f;

-			delta.normVec();

-			F32 dp = delta*pn;

-			frust[i] = eye + (delta*dist[j]*0.95f)/dp;

-			frust[i+4] = eye + (delta*dist[j+1]*1.05f)/dp;

-		}

-						

-		shadow_cam.calcAgentFrustumPlanes(frust);

-		shadow_cam.mFrustumCornerDist = 0.f;

-		

-		if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))

-		{

-			mShadowCamera[j] = shadow_cam;

-		}

-

-		std::vector<LLVector3> fp;

-

-		if (!gPipeline.getVisiblePointCloud(shadow_cam, min, max, fp, lightDir))

-		{

-			//no possible shadow receivers

-			if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))

-			{

-				mShadowExtents[j][0] = LLVector3();

-				mShadowExtents[j][1] = LLVector3();

-				mShadowCamera[j+4] = shadow_cam;

-			}

-

-			mShadow[j].bindTarget();

-			{

-				LLGLDepthTest depth(GL_TRUE);

-				mShadow[j].clear();

-			}

-			mShadow[j].flush();

-

-			mShadowError.mV[j] = 0.f;

-			mShadowFOV.mV[j] = 0.f;

-

-			continue;

-		}

-

-		if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))

-		{

-			mShadowExtents[j][0] = min;

-			mShadowExtents[j][1] = max;

-			mShadowFrustPoints[j] = fp;

-		}

-				

-

-		//find a good origin for shadow projection

-		LLVector3 origin;

-

-		//get a temporary view projection

-		view[j] = look(camera.getOrigin(), lightDir, -up);

-

-		std::vector<LLVector3> wpf;

-

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

-		{

-			glh::vec3f p = glh::vec3f(fp[i].mV);

-			view[j].mult_matrix_vec(p);

-			wpf.push_back(LLVector3(p.v));

-		}

-

-		min = wpf[0];

-		max = wpf[0];

-

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

-		{ //get AABB in camera space

-			update_min_max(min, max, wpf[i]);

-		}

-

-		// Construct a perspective transform with perspective along y-axis that contains

-		// points in wpf

-		//Known:

-		// - far clip plane

-		// - near clip plane

-		// - points in frustum

-		//Find:

-		// - origin

-

-		//get some "interesting" points of reference

-		LLVector3 center = (min+max)*0.5f;

-		LLVector3 size = (max-min)*0.5f;

-		LLVector3 near_center = center;

-		near_center.mV[1] += size.mV[1]*2.f;

-		

-		

-		//put all points in wpf in quadrant 0, reletive to center of min/max

-		//get the best fit line using least squares

-		F32 bfm = 0.f;

-		F32 bfb = 0.f;

-

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

-		{

-			wpf[i] -= center;

-			wpf[i].mV[0] = fabsf(wpf[i].mV[0]);

-			wpf[i].mV[2] = fabsf(wpf[i].mV[2]);

-		}

-

-		if (!wpf.empty())

-		{ 

-			F32 sx = 0.f;

-			F32 sx2 = 0.f;

-			F32 sy = 0.f;

-			F32 sxy = 0.f;

-			

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

-			{		

-				sx += wpf[i].mV[0];

-				sx2 += wpf[i].mV[0]*wpf[i].mV[0];

-				sy += wpf[i].mV[1];

-				sxy += wpf[i].mV[0]*wpf[i].mV[1]; 

-			}

-

-			bfm = (sy*sx-wpf.size()*sxy)/(sx*sx-wpf.size()*sx2);

-			bfb = (sx*sxy-sy*sx2)/(sx*sx-bfm*sx2);

-		}

-		

-		{

-			// best fit line is y=bfm*x+bfb

-		

-			//find point that is furthest to the right of line

-			F32 off_x = -1.f;

-			LLVector3 lp;

-

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

-			{

-				//y = bfm*x+bfb

-				//x = (y-bfb)/bfm

-				F32 lx = (wpf[i].mV[1]-bfb)/bfm;

-

-				lx = wpf[i].mV[0]-lx;

-				

-				if (off_x < lx)

-				{

-					off_x = lx;

-					lp = wpf[i];

-				}

-			}

-

-			//get line with slope bfm through lp

-			// bfb = y-bfm*x

-			bfb = lp.mV[1]-bfm*lp.mV[0];

-

-			//calculate error

-			mShadowError.mV[j] = 0.f;

-

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

-			{

-				F32 lx = (wpf[i].mV[1]-bfb)/bfm;

-				mShadowError.mV[j] += fabsf(wpf[i].mV[0]-lx);

-			}

-

-			mShadowError.mV[j] /= wpf.size();

-			mShadowError.mV[j] /= size.mV[0];

-

-			if (mShadowError.mV[j] > gSavedSettings.getF32("RenderShadowErrorCutoff"))

-			{ //just use ortho projection

-				mShadowFOV.mV[j] = -1.f;

-				origin.clearVec();

-				proj[j] = gl_ortho(min.mV[0], max.mV[0],

-									min.mV[1], max.mV[1],

-									-max.mV[2], -min.mV[2]);

-			}

-			else

-			{

-				//origin is where line x = 0;

-				origin.setVec(0,bfb,0);

-

-				F32 fovz = 1.f;

-				F32 fovx = 1.f;

-				

-				LLVector3 zp;

-				LLVector3 xp;

-

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

-				{

-					LLVector3 atz = wpf[i]-origin;

-					atz.mV[0] = 0.f;

-					atz.normVec();

-					if (fovz > -atz.mV[1])

-					{

-						zp = wpf[i];

-						fovz = -atz.mV[1];

-					}

-					

-					LLVector3 atx = wpf[i]-origin;

-					atx.mV[2] = 0.f;

-					atx.normVec();

-					if (fovx > -atx.mV[1])

-					{

-						fovx = -atx.mV[1];

-						xp = wpf[i];

-					}

-				}

-

-				fovx = acos(fovx);

-				fovz = acos(fovz);

-

-				F32 cutoff = llmin(gSavedSettings.getF32("RenderShadowFOVCutoff"), 1.4f);

-				

-				mShadowFOV.mV[j] = fovx;

-				

-				if (fovx < cutoff && fovz > cutoff)

-				{

-					//x is a good fit, but z is too big, move away from zp enough so that fovz matches cutoff

-					F32 d = zp.mV[2]/tan(cutoff);

-					F32 ny = zp.mV[1] + fabsf(d);

-

-					origin.mV[1] = ny;

-

-					fovz = 1.f;

-					fovx = 1.f;

-

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

-					{

-						LLVector3 atz = wpf[i]-origin;

-						atz.mV[0] = 0.f;

-						atz.normVec();

-						fovz = llmin(fovz, -atz.mV[1]);

-

-						LLVector3 atx = wpf[i]-origin;

-						atx.mV[2] = 0.f;

-						atx.normVec();

-						fovx = llmin(fovx, -atx.mV[1]);

-					}

-

-					fovx = acos(fovx);

-					fovz = acos(fovz);

-

-					if (fovx > cutoff || llround(fovz, 0.01f) > cutoff)

-					{

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

-					}

-

-					mShadowFOV.mV[j] = cutoff;

-				}

-

-				

-				origin += center;

-			

-				F32 ynear = -(max.mV[1]-origin.mV[1]);

-				F32 yfar = -(min.mV[1]-origin.mV[1]);

-				

-				if (ynear < 0.1f) //keep a sensible near clip plane

-				{

-					F32 diff = 0.1f-ynear;

-					origin.mV[1] += diff;

-					ynear += diff;

-					yfar += diff;

-				}

-								

-				if (fovx > cutoff)

-				{ //just use ortho projection

-					origin.clearVec();

-					mShadowError.mV[j] = -1.f;

-					proj[j] = gl_ortho(min.mV[0], max.mV[0],

-							min.mV[1], max.mV[1],

-							-max.mV[2], -min.mV[2]);

-				}

-				else

-				{

-					//get perspective projection

-					view[j] = view[j].inverse();

-

-					glh::vec3f origin_agent(origin.mV);

-					

-					//translate view to origin

-					view[j].mult_matrix_vec(origin_agent);

-

-					eye = LLVector3(origin_agent.v);

-

-					if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))

-					{

-						mShadowFrustOrigin[j] = eye;

-					}

-				

-					view[j] = look(LLVector3(origin_agent.v), lightDir, -up);

-

-					F32 fx = 1.f/tanf(fovx);

-					F32 fz = 1.f/tanf(fovz);

-

-					proj[j] = glh::matrix4f(-fx, 0, 0, 0,

-											0, (yfar+ynear)/(ynear-yfar), 0, (2.f*yfar*ynear)/(ynear-yfar),

-											0, 0, -fz, 0,

-											0, -1.f, 0, 0);

-				}

-			}

-		}

-

-		shadow_cam.setFar(128.f);

-		shadow_cam.setOriginAndLookAt(eye, up, center);

-

-		shadow_cam.setOrigin(0,0,0);

-

-		glh_set_current_modelview(view[j]);

-		glh_set_current_projection(proj[j]);

-

-		LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);

-

-		//shadow_cam.ignoreAgentFrustumPlane(LLCamera::AGENT_PLANE_NEAR);

-		shadow_cam.getAgentPlane(LLCamera::AGENT_PLANE_NEAR).set(shadow_near_clip);

-

-		//translate and scale to from [-1, 1] to [0, 1]

-		glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,

-						0.f, 0.5f, 0.f, 0.5f,

-						0.f, 0.f, 0.5f, 0.5f,

-						0.f, 0.f, 0.f, 1.f);

-

-		glh_set_current_modelview(view[j]);

-		glh_set_current_projection(proj[j]);

-

-		for (U32 i = 0; i < 16; i++)

-		{

-			gGLLastModelView[i] = mShadowModelview[j].m[i];

-			gGLLastProjection[i] = mShadowProjection[j].m[i];

-		}

-

-		mShadowModelview[j] = view[j];

-		mShadowProjection[j] = proj[j];

-

-	

-		mSunShadowMatrix[j] = trans*proj[j]*view[j]*inv_view;

-		

-		stop_glerror();

-

-		mShadow[j].bindTarget();

-		mShadow[j].getViewport(gGLViewport);

-		mShadow[j].clear();

-		

-		{

-			static LLCullResult result[4];

-

-			//LLGLEnable enable(GL_DEPTH_CLAMP_NV);

-			renderShadow(view[j], proj[j], shadow_cam, result[j], TRUE);

-		}

-

-		mShadow[j].flush();

- 

-		if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))

-		{

-			LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);

-			mShadowCamera[j+4] = shadow_cam;

-		}

-	}

-

-	

-	//hack to disable projector shadows 

-	bool gen_shadow = gSavedSettings.getS32("RenderShadowDetail") > 1;

-

-	if (gen_shadow)

-	{

-		F32 fade_amt = gFrameIntervalSeconds * llmax(LLViewerCamera::getInstance()->getVelocityStat()->getCurrentPerSec(), 1.f);

-

-		//update shadow targets

-		for (U32 i = 0; i < 2; i++)

-		{ //for each current shadow

-			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW4+i;

-

-			if (mShadowSpotLight[i].notNull() && 

-				(mShadowSpotLight[i] == mTargetShadowSpotLight[0] ||

-				mShadowSpotLight[i] == mTargetShadowSpotLight[1]))

-			{ //keep this spotlight

-				mSpotLightFade[i] = llmin(mSpotLightFade[i]+fade_amt, 1.f);

-			}

-			else

-			{ //fade out this light

-				mSpotLightFade[i] = llmax(mSpotLightFade[i]-fade_amt, 0.f);

-				

-				if (mSpotLightFade[i] == 0.f || mShadowSpotLight[i].isNull())

-				{ //faded out, grab one of the pending spots (whichever one isn't already taken)

-					if (mTargetShadowSpotLight[0] != mShadowSpotLight[(i+1)%2])

-					{

-						mShadowSpotLight[i] = mTargetShadowSpotLight[0];

-					}

-					else

-					{

-						mShadowSpotLight[i] = mTargetShadowSpotLight[1];

-					}

-				}

-			}

-		}

-

-		for (S32 i = 0; i < 2; i++)

-		{

-			glh_set_current_modelview(saved_view);

-			glh_set_current_projection(saved_proj);

-

-			if (mShadowSpotLight[i].isNull())

-			{

-				continue;

-			}

-

-			LLVOVolume* volume = mShadowSpotLight[i]->getVOVolume();

-

-			if (!volume)

-			{

-				mShadowSpotLight[i] = NULL;

-				continue;

-			}

-

-			LLDrawable* drawable = mShadowSpotLight[i];

-

-			LLVector3 params = volume->getSpotLightParams();

-			F32 fov = params.mV[0];

-

-			//get agent->light space matrix (modelview)

-			LLVector3 center = drawable->getPositionAgent();

-			LLQuaternion quat = volume->getRenderRotation();

-

-			//get near clip plane

-			LLVector3 scale = volume->getScale();

-			LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);

-			at_axis *= quat;

-

-			LLVector3 np = center+at_axis;

-			at_axis.normVec();

-

-			//get origin that has given fov for plane np, at_axis, and given scale

-			F32 dist = (scale.mV[1]*0.5f)/tanf(fov*0.5f);

-

-			LLVector3 origin = np - at_axis*dist;

-

-			LLMatrix4 mat(quat, LLVector4(origin, 1.f));

-

-			view[i+4] = glh::matrix4f((F32*) mat.mMatrix);

-

-			view[i+4] = view[i+4].inverse();

-

-			//get perspective matrix

-			F32 near_clip = dist+0.01f;

-			F32 width = scale.mV[VX];

-			F32 height = scale.mV[VY];

-			F32 far_clip = dist+volume->getLightRadius()*1.5f;

-

-			F32 fovy = fov * RAD_TO_DEG;

-			F32 aspect = width/height;

-			

-			proj[i+4] = gl_perspective(fovy, aspect, near_clip, far_clip);

-

-			//translate and scale to from [-1, 1] to [0, 1]

-			glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,

-							0.f, 0.5f, 0.f, 0.5f,

-							0.f, 0.f, 0.5f, 0.5f,

-							0.f, 0.f, 0.f, 1.f);

-

-			glh_set_current_modelview(view[i+4]);

-			glh_set_current_projection(proj[i+4]);

-

-			mSunShadowMatrix[i+4] = trans*proj[i+4]*view[i+4]*inv_view;

-			

-			for (U32 j = 0; j < 16; j++)

-			{

-				gGLLastModelView[j] = mShadowModelview[i+4].m[j];

-				gGLLastProjection[j] = mShadowProjection[i+4].m[j];

-			}

-

-			mShadowModelview[i+4] = view[i+4];

-			mShadowProjection[i+4] = proj[i+4];

-

-			LLCamera shadow_cam = camera;

-			shadow_cam.setFar(far_clip);

-			shadow_cam.setOrigin(origin);

-

-			LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);

-

-			stop_glerror();

-

-			mShadow[i+4].bindTarget();

-			mShadow[i+4].getViewport(gGLViewport);

-			mShadow[i+4].clear();

-

-			static LLCullResult result[2];

-

-			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW0+i+4;

-

-			renderShadow(view[i+4], proj[i+4], shadow_cam, result[i], FALSE, FALSE);

-

-			mShadow[i+4].flush();

- 		}

-	}

-

-	if (!gSavedSettings.getBOOL("CameraOffset"))

-	{

-		glh_set_current_modelview(saved_view);

-		glh_set_current_projection(saved_proj);

-	}

-	else

-	{

-		glh_set_current_modelview(view[1]);

-		glh_set_current_projection(proj[1]);

-		glLoadMatrixf(view[1].m);

-		glMatrixMode(GL_PROJECTION);

-		glLoadMatrixf(proj[1].m);

-		glMatrixMode(GL_MODELVIEW);

-	}

-	gGL.setColorMask(true, false);

-

-	for (U32 i = 0; i < 16; i++)

-	{

-		gGLLastModelView[i] = last_modelview[i];

-		gGLLastProjection[i] = last_projection[i];

-	}

-

-	popRenderTypeMask();

-}

-

-void LLPipeline::renderGroups(LLRenderPass* pass, U32 type, U32 mask, BOOL texture)

-{

-	for (LLCullResult::sg_list_t::iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)

-	{

-		LLSpatialGroup* group = *i;

-		if (!group->isDead() &&

-			(!sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED)) &&

-			gPipeline.hasRenderType(group->mSpatialPartition->mDrawableType) &&

-			group->mDrawMap.find(type) != group->mDrawMap.end())

-		{

-			pass->renderGroup(group,type,mask,texture);

-		}

-	}

-}

-

-void LLPipeline::generateImpostor(LLVOAvatar* avatar)

-{

-	LLMemType mt_gi(LLMemType::MTYPE_PIPELINE_GENERATE_IMPOSTOR);

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-	LLGLState::checkClientArrays();

-

-	static LLCullResult result;

-	result.clear();

-	grabReferences(result);

-	

-	if (!avatar || !avatar->mDrawable)

-	{

-		return;

-	}

-

-	assertInitialized();

-

-	BOOL muted = LLMuteList::getInstance()->isMuted(avatar->getID());

-

-	pushRenderTypeMask();

-	

-	if (muted)

-	{

-		andRenderTypeMask(LLPipeline::RENDER_TYPE_AVATAR, END_RENDER_TYPES);

-	}

-	else

-	{

-		andRenderTypeMask(LLPipeline::RENDER_TYPE_VOLUME,

-						LLPipeline::RENDER_TYPE_AVATAR,

-						LLPipeline::RENDER_TYPE_BUMP,

-						LLPipeline::RENDER_TYPE_GRASS,

-						LLPipeline::RENDER_TYPE_SIMPLE,

-						LLPipeline::RENDER_TYPE_FULLBRIGHT,

-						LLPipeline::RENDER_TYPE_ALPHA, 

-						LLPipeline::RENDER_TYPE_INVISIBLE,

-						LLPipeline::RENDER_TYPE_PASS_SIMPLE,

-						LLPipeline::RENDER_TYPE_PASS_ALPHA,

-						LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,

-						LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,

-						LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,

-						LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,

-						LLPipeline::RENDER_TYPE_PASS_SHINY,

-						LLPipeline::RENDER_TYPE_PASS_INVISIBLE,

-						LLPipeline::RENDER_TYPE_PASS_INVISI_SHINY,

-						END_RENDER_TYPES);

-	}

-	

-	S32 occlusion = sUseOcclusion;

-	sUseOcclusion = 0;

-	sReflectionRender = sRenderDeferred ? FALSE : TRUE;

-	sShadowRender = TRUE;

-	sImpostorRender = TRUE;

-

-	LLViewerCamera* viewer_camera = LLViewerCamera::getInstance();

-	markVisible(avatar->mDrawable, *viewer_camera);

-	LLVOAvatar::sUseImpostors = FALSE;

-

-	LLVOAvatar::attachment_map_t::iterator iter;

-	for (iter = avatar->mAttachmentPoints.begin();

-		iter != avatar->mAttachmentPoints.end();

-		++iter)

-	{

-		LLViewerJointAttachment *attachment = iter->second;

-		for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();

-			 attachment_iter != attachment->mAttachedObjects.end();

-			 ++attachment_iter)

-		{

-			if (LLViewerObject* attached_object = (*attachment_iter))

-			{

-				markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);

-			}

-		}

-	}

-

-	stateSort(*LLViewerCamera::getInstance(), result);

-	

-	const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();

-	LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());

-

-	LLCamera camera = *viewer_camera;

-

-	camera.lookAt(viewer_camera->getOrigin(), pos, viewer_camera->getUpAxis());

-	

-	LLVector2 tdim;

-

-

-	LLVector4a half_height;

-	half_height.setSub(ext[1], ext[0]);

-	half_height.mul(0.5f);

-

-	LLVector4a left;

-	left.load3(camera.getLeftAxis().mV);

-	left.mul(left);

-	left.normalize3fast();

-

-	LLVector4a up;

-	up.load3(camera.getUpAxis().mV);

-	up.mul(up);

-	up.normalize3fast();

-

-	tdim.mV[0] = fabsf(half_height.dot3(left).getF32());

-	tdim.mV[1] = fabsf(half_height.dot3(up).getF32());

-

-	glMatrixMode(GL_PROJECTION);

-	glPushMatrix();

-	

-	F32 distance = (pos-camera.getOrigin()).length();

-	F32 fov = atanf(tdim.mV[1]/distance)*2.f*RAD_TO_DEG;

-	F32 aspect = tdim.mV[0]/tdim.mV[1];

-	glh::matrix4f persp = gl_perspective(fov, aspect, 1.f, 256.f);

-	glh_set_current_projection(persp);

-	glLoadMatrixf(persp.m);

-

-	glMatrixMode(GL_MODELVIEW);

-	glPushMatrix();

-	glh::matrix4f mat;

-	camera.getOpenGLTransform(mat.m);

-

-	mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;

-

-	glLoadMatrixf(mat.m);

-	glh_set_current_modelview(mat);

-

-	glClearColor(0.0f,0.0f,0.0f,0.0f);

-	gGL.setColorMask(true, true);

-	

-	// get the number of pixels per angle

-	F32 pa = gViewerWindow->getWindowHeightRaw() / (RAD_TO_DEG * viewer_camera->getView());

-

-	//get resolution based on angle width and height of impostor (double desired resolution to prevent aliasing)

-	U32 resY = llmin(nhpo2((U32) (fov*pa)), (U32) 512);

-	U32 resX = llmin(nhpo2((U32) (atanf(tdim.mV[0]/distance)*2.f*RAD_TO_DEG*pa)), (U32) 512);

-

-	if (!avatar->mImpostor.isComplete() || resX != avatar->mImpostor.getWidth() ||

-		resY != avatar->mImpostor.getHeight())

-	{

-		avatar->mImpostor.allocate(resX,resY,GL_RGBA,TRUE,FALSE);

-		

-		if (LLPipeline::sRenderDeferred)

-		{

-			addDeferredAttachments(avatar->mImpostor);

-		}

-		

-		gGL.getTexUnit(0)->bind(&avatar->mImpostor);

-		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);

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

-	}

-

-	avatar->mImpostor.bindTarget();

-

-	if (LLPipeline::sRenderDeferred)

-	{

-		avatar->mImpostor.clear();

-		renderGeomDeferred(camera);

-		renderGeomPostDeferred(camera);

-	}

-	else

-	{

-		LLGLEnable scissor(GL_SCISSOR_TEST);

-		glScissor(0, 0, resX, resY);

-		avatar->mImpostor.clear();

-		renderGeom(camera);

-	}

-	

-	{ //create alpha mask based on depth buffer (grey out if muted)

-		if (LLPipeline::sRenderDeferred)

-		{

-			GLuint buff = GL_COLOR_ATTACHMENT0;

-			glDrawBuffersARB(1, &buff);

-		}

-

-		LLGLDisable blend(GL_BLEND);

-

-		if (muted)

-		{

-			gGL.setColorMask(true, true);

-		}

-		else

-		{

-			gGL.setColorMask(false, true);

-		}

-		

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

-

-		LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);

-

-		gGL.flush();

-

-		glPushMatrix();

-		glLoadIdentity();

-		glMatrixMode(GL_PROJECTION);

-		glPushMatrix();

-		glLoadIdentity();

-

-		static const F32 clip_plane = 0.99999f;

-

-		gGL.color4ub(64,64,64,255);

-		gGL.begin(LLRender::QUADS);

-		gGL.vertex3f(-1, -1, clip_plane);

-		gGL.vertex3f(1, -1, clip_plane);

-		gGL.vertex3f(1, 1, clip_plane);

-		gGL.vertex3f(-1, 1, clip_plane);

-		gGL.end();

-		gGL.flush();

-

-		glPopMatrix();

-		glMatrixMode(GL_MODELVIEW);

-		glPopMatrix();

-	}

-

-	avatar->mImpostor.flush();

-

-	avatar->setImpostorDim(tdim);

-

-	LLVOAvatar::sUseImpostors = TRUE;

-	sUseOcclusion = occlusion;

-	sReflectionRender = FALSE;

-	sImpostorRender = FALSE;

-	sShadowRender = FALSE;

-	popRenderTypeMask();

-

-	glMatrixMode(GL_PROJECTION);

-	glPopMatrix();

-	glMatrixMode(GL_MODELVIEW);

-	glPopMatrix();

-

-	avatar->mNeedsImpostorUpdate = FALSE;

-	avatar->cacheImpostorValues();

-

-	LLVertexBuffer::unbind();

-	LLGLState::checkStates();

-	LLGLState::checkTextureChannels();

-	LLGLState::checkClientArrays();

-}

-

-BOOL LLPipeline::hasRenderBatches(const U32 type) const

-{

-	return sCull->getRenderMapSize(type) > 0;

-}

-

-LLCullResult::drawinfo_list_t::iterator LLPipeline::beginRenderMap(U32 type)

-{

-	return sCull->beginRenderMap(type);

-}

-

-LLCullResult::drawinfo_list_t::iterator LLPipeline::endRenderMap(U32 type)

-{

-	return sCull->endRenderMap(type);

-}

-

-LLCullResult::sg_list_t::iterator LLPipeline::beginAlphaGroups()

-{

-	return sCull->beginAlphaGroups();

-}

-

-LLCullResult::sg_list_t::iterator LLPipeline::endAlphaGroups()

-{

-	return sCull->endAlphaGroups();

-}

-

-BOOL LLPipeline::hasRenderType(const U32 type) const

-{

-    // STORM-365 : LLViewerJointAttachment::setAttachmentVisibility() is setting type to 0 to actually mean "do not render"

-    // We then need to test that value here and return FALSE to prevent attachment to render (in mouselook for instance)

-    // TODO: reintroduce RENDER_TYPE_NONE in LLRenderTypeMask and initialize its mRenderTypeEnabled[RENDER_TYPE_NONE] to FALSE explicitely

-	return (type == 0 ? FALSE : mRenderTypeEnabled[type]);

-}

-

-void LLPipeline::setRenderTypeMask(U32 type, ...)

-{

-	va_list args;

-

-	va_start(args, type);

-	while (type < END_RENDER_TYPES)

-	{

-		mRenderTypeEnabled[type] = TRUE;

-		type = va_arg(args, U32);

-	}

-	va_end(args);

-

-	if (type > END_RENDER_TYPES)

-	{

-		llerrs << "Invalid render type." << llendl;

-	}

-}

-

-BOOL LLPipeline::hasAnyRenderType(U32 type, ...) const

-{

-	va_list args;

-

-	va_start(args, type);

-	while (type < END_RENDER_TYPES)

-	{

-		if (mRenderTypeEnabled[type])

-		{

-			return TRUE;

-		}

-		type = va_arg(args, U32);

-	}

-	va_end(args);

-

-	if (type > END_RENDER_TYPES)

-	{

-		llerrs << "Invalid render type." << llendl;

-	}

-

-	return FALSE;

-}

-

-void LLPipeline::pushRenderTypeMask()

-{

-	std::string cur_mask;

-	cur_mask.assign((const char*) mRenderTypeEnabled, sizeof(mRenderTypeEnabled));

-	mRenderTypeEnableStack.push(cur_mask);

-}

-

-void LLPipeline::popRenderTypeMask()

-{

-	if (mRenderTypeEnableStack.empty())

-	{

-		llerrs << "Depleted render type stack." << llendl;

-	}

-

-	memcpy(mRenderTypeEnabled, mRenderTypeEnableStack.top().data(), sizeof(mRenderTypeEnabled));

-	mRenderTypeEnableStack.pop();

-}

-

-void LLPipeline::andRenderTypeMask(U32 type, ...)

-{

-	va_list args;

-

-	BOOL tmp[NUM_RENDER_TYPES];

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

-	{

-		tmp[i] = FALSE;

-	}

-

-	va_start(args, type);

-	while (type < END_RENDER_TYPES)

-	{

-		if (mRenderTypeEnabled[type]) 

-		{

-			tmp[type] = TRUE;

-		}

-

-		type = va_arg(args, U32);

-	}

-	va_end(args);

-

-	if (type > END_RENDER_TYPES)

-	{

-		llerrs << "Invalid render type." << llendl;

-	}

-

-	for (U32 i = 0; i < LLPipeline::NUM_RENDER_TYPES; ++i)

-	{

-		mRenderTypeEnabled[i] = tmp[i];

-	}

-

-}

-

-void LLPipeline::clearRenderTypeMask(U32 type, ...)

-{

-	va_list args;

-

-	va_start(args, type);

-	while (type < END_RENDER_TYPES)

-	{

-		mRenderTypeEnabled[type] = FALSE;

-		

-		type = va_arg(args, U32);

-	}

-	va_end(args);

-

-	if (type > END_RENDER_TYPES)

-	{

-		llerrs << "Invalid render type." << llendl;

-	}

-}

-

-

+/** 
+ * @file pipeline.cpp
+ * @brief Rendering pipeline.
+ *
+ * $LicenseInfo:firstyear=2005&license=viewerlgpl$
+ * 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 "pipeline.h"
+
+// library includes
+#include "llaudioengine.h" // For debugging.
+#include "imageids.h"
+#include "llerror.h"
+#include "llviewercontrol.h"
+#include "llfasttimer.h"
+#include "llfontgl.h"
+#include "llmemtype.h"
+#include "llnamevalue.h"
+#include "llpointer.h"
+#include "llprimitive.h"
+#include "llvolume.h"
+#include "material_codes.h"
+#include "timing.h"
+#include "v3color.h"
+#include "llui.h" 
+#include "llglheaders.h"
+#include "llrender.h"
+#include "llwindow.h"	// swapBuffers()
+
+// newview includes
+#include "llagent.h"
+#include "llagentcamera.h"
+#include "lldrawable.h"
+#include "lldrawpoolalpha.h"
+#include "lldrawpoolavatar.h"
+#include "lldrawpoolground.h"
+#include "lldrawpoolbump.h"
+#include "lldrawpooltree.h"
+#include "lldrawpoolwater.h"
+#include "llface.h"
+#include "llfeaturemanager.h"
+#include "llfloatertelehub.h"
+#include "llfloaterreg.h"
+#include "llgldbg.h"
+#include "llhudmanager.h"
+#include "llhudnametag.h"
+#include "llhudtext.h"
+#include "lllightconstants.h"
+#include "llmeshrepository.h"
+#include "llresmgr.h"
+#include "llselectmgr.h"
+#include "llsky.h"
+#include "lltracker.h"
+#include "lltool.h"
+#include "lltoolmgr.h"
+#include "llviewercamera.h"
+#include "llviewertexturelist.h"
+#include "llviewerobject.h"
+#include "llviewerobjectlist.h"
+#include "llviewerparcelmgr.h"
+#include "llviewerregion.h" // for audio debugging.
+#include "llviewerwindow.h" // For getSpinAxis
+#include "llvoavatarself.h"
+#include "llvoground.h"
+#include "llvosky.h"
+#include "llvotree.h"
+#include "llvovolume.h"
+#include "llvosurfacepatch.h"
+#include "llvowater.h"
+#include "llvotree.h"
+#include "llvopartgroup.h"
+#include "llworld.h"
+#include "llcubemap.h"
+#include "llviewershadermgr.h"
+#include "llviewerstats.h"
+#include "llviewerjoystick.h"
+#include "llviewerdisplay.h"
+#include "llwlparammanager.h"
+#include "llwaterparammanager.h"
+#include "llspatialpartition.h"
+#include "llmutelist.h"
+#include "lltoolpie.h"
+#include "llcurl.h"
+
+
+void check_stack_depth(S32 stack_depth)
+{
+	if (gDebugGL || gDebugSession)
+	{
+		GLint depth;
+		glGetIntegerv(GL_MODELVIEW_STACK_DEPTH, &depth);
+		if (depth != stack_depth)
+		{
+			if (gDebugSession)
+			{
+				ll_fail("GL matrix stack corrupted.");
+			}
+			else
+			{
+				llerrs << "GL matrix stack corrupted!" << llendl;
+			}
+		}
+	}
+}
+	
+#ifdef _DEBUG
+// Debug indices is disabled for now for debug performance - djs 4/24/02
+//#define DEBUG_INDICES
+#else
+//#define DEBUG_INDICES
+#endif
+
+const F32 BACKLIGHT_DAY_MAGNITUDE_AVATAR = 0.2f;
+const F32 BACKLIGHT_NIGHT_MAGNITUDE_AVATAR = 0.1f;
+const F32 BACKLIGHT_DAY_MAGNITUDE_OBJECT = 0.1f;
+const F32 BACKLIGHT_NIGHT_MAGNITUDE_OBJECT = 0.08f;
+const S32 MAX_OFFSCREEN_GEOMETRY_CHANGES_PER_FRAME = 10;
+const U32 REFLECTION_MAP_RES = 128;
+
+// Max number of occluders to search for. JC
+const S32 MAX_OCCLUDER_COUNT = 2;
+
+extern S32 gBoxFrame;
+//extern BOOL gHideSelectedObjects;
+extern BOOL gDisplaySwapBuffers;
+extern BOOL gDebugGL;
+
+// hack counter for rendering a fixed number of frames after toggling
+// fullscreen to work around DEV-5361
+static S32 sDelayedVBOEnable = 0;
+
+BOOL	gAvatarBacklight = FALSE;
+
+BOOL	gDebugPipeline = FALSE;
+LLPipeline gPipeline;
+const LLMatrix4* gGLLastMatrix = NULL;
+
+LLFastTimer::DeclareTimer FTM_RENDER_GEOMETRY("Geometry");
+LLFastTimer::DeclareTimer FTM_RENDER_GRASS("Grass");
+LLFastTimer::DeclareTimer FTM_RENDER_INVISIBLE("Invisible");
+LLFastTimer::DeclareTimer FTM_RENDER_OCCLUSION("Occlusion");
+LLFastTimer::DeclareTimer FTM_RENDER_SHINY("Shiny");
+LLFastTimer::DeclareTimer FTM_RENDER_SIMPLE("Simple");
+LLFastTimer::DeclareTimer FTM_RENDER_TERRAIN("Terrain");
+LLFastTimer::DeclareTimer FTM_RENDER_TREES("Trees");
+LLFastTimer::DeclareTimer FTM_RENDER_UI("UI");
+LLFastTimer::DeclareTimer FTM_RENDER_WATER("Water");
+LLFastTimer::DeclareTimer FTM_RENDER_WL_SKY("Windlight Sky");
+LLFastTimer::DeclareTimer FTM_RENDER_ALPHA("Alpha Objects");
+LLFastTimer::DeclareTimer FTM_RENDER_CHARACTERS("Avatars");
+LLFastTimer::DeclareTimer FTM_RENDER_BUMP("Bump");
+LLFastTimer::DeclareTimer FTM_RENDER_FULLBRIGHT("Fullbright");
+LLFastTimer::DeclareTimer FTM_RENDER_GLOW("Glow");
+LLFastTimer::DeclareTimer FTM_GEO_UPDATE("Geo Update");
+LLFastTimer::DeclareTimer FTM_POOLRENDER("RenderPool");
+LLFastTimer::DeclareTimer FTM_POOLS("Pools");
+LLFastTimer::DeclareTimer FTM_RENDER_BLOOM_FBO("First FBO");
+LLFastTimer::DeclareTimer FTM_STATESORT("Sort Draw State");
+LLFastTimer::DeclareTimer FTM_PIPELINE("Pipeline");
+LLFastTimer::DeclareTimer FTM_CLIENT_COPY("Client Copy");
+LLFastTimer::DeclareTimer FTM_RENDER_DEFERRED("Deferred Shading");
+
+
+static LLFastTimer::DeclareTimer FTM_STATESORT_DRAWABLE("Sort Drawables");
+static LLFastTimer::DeclareTimer FTM_STATESORT_POSTSORT("Post Sort");
+
+//----------------------------------------
+std::string gPoolNames[] = 
+{
+	// Correspond to LLDrawpool enum render type
+	"NONE",
+	"POOL_SIMPLE",
+	"POOL_TERRAIN",
+	"POOL_BUMP",
+	"POOL_TREE",
+	"POOL_SKY",
+	"POOL_WL_SKY",
+	"POOL_GROUND",
+	"POOL_INVISIBLE",
+	"POOL_AVATAR",
+	"POOL_WATER",
+	"POOL_GRASS",
+	"POOL_FULLBRIGHT",
+	"POOL_GLOW",
+	"POOL_ALPHA",
+};
+
+void drawBox(const LLVector3& c, const LLVector3& r);
+void drawBoxOutline(const LLVector3& pos, const LLVector3& size);
+
+U32 nhpo2(U32 v) 
+{
+	U32 r = 1;
+	while (r < v) {
+		r *= 2;
+	}
+	return r;
+}
+
+glh::matrix4f glh_copy_matrix(GLdouble* src)
+{
+	glh::matrix4f ret;
+	for (U32 i = 0; i < 16; i++)
+	{
+		ret.m[i] = (F32) src[i];
+	}
+	return ret;
+}
+
+glh::matrix4f glh_get_current_modelview()
+{
+	return glh_copy_matrix(gGLModelView);
+}
+
+glh::matrix4f glh_get_current_projection()
+{
+	return glh_copy_matrix(gGLProjection);
+}
+
+void glh_copy_matrix(const glh::matrix4f& src, GLdouble* dst)
+{
+	for (U32 i = 0; i < 16; i++)
+	{
+		dst[i] = src.m[i];
+	}
+}
+
+void glh_set_current_modelview(const glh::matrix4f& mat)
+{
+	glh_copy_matrix(mat, gGLModelView);
+}
+
+void glh_set_current_projection(glh::matrix4f& mat)
+{
+	glh_copy_matrix(mat, gGLProjection);
+}
+
+glh::matrix4f gl_ortho(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat znear, GLfloat zfar)
+{
+	glh::matrix4f ret(
+		2.f/(right-left), 0.f, 0.f, -(right+left)/(right-left),
+		0.f, 2.f/(top-bottom), 0.f, -(top+bottom)/(top-bottom),
+		0.f, 0.f, -2.f/(zfar-znear),  -(zfar+znear)/(zfar-znear),
+		0.f, 0.f, 0.f, 1.f);
+
+	return ret;
+}
+
+void display_update_camera();
+//----------------------------------------
+
+S32		LLPipeline::sCompiles = 0;
+
+BOOL	LLPipeline::sPickAvatar = TRUE;
+BOOL	LLPipeline::sDynamicLOD = TRUE;
+BOOL	LLPipeline::sShowHUDAttachments = TRUE;
+BOOL	LLPipeline::sRenderPhysicalBeacons = TRUE;
+BOOL	LLPipeline::sRenderScriptedBeacons = FALSE;
+BOOL	LLPipeline::sRenderScriptedTouchBeacons = TRUE;
+BOOL	LLPipeline::sRenderParticleBeacons = FALSE;
+BOOL	LLPipeline::sRenderSoundBeacons = FALSE;
+BOOL	LLPipeline::sRenderBeacons = FALSE;
+BOOL	LLPipeline::sRenderHighlight = TRUE;
+BOOL	LLPipeline::sForceOldBakedUpload = FALSE;
+S32		LLPipeline::sUseOcclusion = 0;
+BOOL	LLPipeline::sDelayVBUpdate = TRUE;
+BOOL	LLPipeline::sAutoMaskAlphaDeferred = TRUE;
+BOOL	LLPipeline::sAutoMaskAlphaNonDeferred = FALSE;
+BOOL	LLPipeline::sDisableShaders = FALSE;
+BOOL	LLPipeline::sRenderBump = TRUE;
+BOOL	LLPipeline::sBakeSunlight = FALSE;
+BOOL	LLPipeline::sNoAlpha = FALSE;
+BOOL	LLPipeline::sUseTriStrips = TRUE;
+BOOL	LLPipeline::sUseFarClip = TRUE;
+BOOL	LLPipeline::sShadowRender = FALSE;
+BOOL	LLPipeline::sWaterReflections = FALSE;
+BOOL	LLPipeline::sRenderGlow = FALSE;
+BOOL	LLPipeline::sReflectionRender = FALSE;
+BOOL	LLPipeline::sImpostorRender = FALSE;
+BOOL	LLPipeline::sUnderWaterRender = FALSE;
+BOOL	LLPipeline::sTextureBindTest = FALSE;
+BOOL	LLPipeline::sRenderFrameTest = FALSE;
+BOOL	LLPipeline::sRenderAttachedLights = TRUE;
+BOOL	LLPipeline::sRenderAttachedParticles = TRUE;
+BOOL	LLPipeline::sRenderDeferred = FALSE;
+S32		LLPipeline::sVisibleLightCount = 0;
+F32		LLPipeline::sMinRenderSize = 0.f;
+
+
+static LLCullResult* sCull = NULL;
+
+static const U32 gl_cube_face[] = 
+{
+	GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
+	GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
+	GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
+	GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
+	GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
+	GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
+};
+
+void validate_framebuffer_object();
+
+
+void addDeferredAttachments(LLRenderTarget& target)
+{
+	target.addColorAttachment(GL_RGBA); //specular
+	target.addColorAttachment(GL_RGBA); //normal+z	
+}
+
+LLPipeline::LLPipeline() :
+	mBackfaceCull(FALSE),
+	mBatchCount(0),
+	mMatrixOpCount(0),
+	mTextureMatrixOps(0),
+	mMaxBatchSize(0),
+	mMinBatchSize(0),
+	mMeanBatchSize(0),
+	mTrianglesDrawn(0),
+	mNumVisibleNodes(0),
+	mVerticesRelit(0),
+	mLightingChanges(0),
+	mGeometryChanges(0),
+	mNumVisibleFaces(0),
+
+	mInitialized(FALSE),
+	mVertexShadersEnabled(FALSE),
+	mVertexShadersLoaded(0),
+	mRenderDebugFeatureMask(0),
+	mRenderDebugMask(0),
+	mOldRenderDebugMask(0),
+	mGroupQ1Locked(false),
+	mGroupQ2Locked(false),
+	mLastRebuildPool(NULL),
+	mAlphaPool(NULL),
+	mSkyPool(NULL),
+	mTerrainPool(NULL),
+	mWaterPool(NULL),
+	mGroundPool(NULL),
+	mSimplePool(NULL),
+	mFullbrightPool(NULL),
+	mInvisiblePool(NULL),
+	mGlowPool(NULL),
+	mBumpPool(NULL),
+	mWLSkyPool(NULL),
+	mLightMask(0),
+	mLightMovingMask(0),
+	mLightingDetail(0),
+	mScreenWidth(0),
+	mScreenHeight(0)
+{
+	mNoiseMap = 0;
+	mTrueNoiseMap = 0;
+	mLightFunc = 0;
+}
+
+void LLPipeline::init()
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_INIT);
+
+	sDynamicLOD = gSavedSettings.getBOOL("RenderDynamicLOD");
+	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
+	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
+	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
+	LLVertexBuffer::sPreferStreamDraw = gSavedSettings.getBOOL("RenderPreferStreamDraw");
+	sRenderAttachedLights = gSavedSettings.getBOOL("RenderAttachedLights");
+	sRenderAttachedParticles = gSavedSettings.getBOOL("RenderAttachedParticles");
+
+	mInitialized = TRUE;
+	
+	stop_glerror();
+
+	//create render pass pools
+	getPool(LLDrawPool::POOL_ALPHA);
+	getPool(LLDrawPool::POOL_SIMPLE);
+	getPool(LLDrawPool::POOL_GRASS);
+	getPool(LLDrawPool::POOL_FULLBRIGHT);
+	getPool(LLDrawPool::POOL_INVISIBLE);
+	getPool(LLDrawPool::POOL_BUMP);
+	getPool(LLDrawPool::POOL_GLOW);
+
+	LLViewerStats::getInstance()->mTrianglesDrawnStat.reset();
+	resetFrameStats();
+
+	for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)
+	{
+		mRenderTypeEnabled[i] = TRUE; //all rendering types start enabled
+	}
+
+	mRenderDebugFeatureMask = 0xffffffff; // All debugging features on
+	mRenderDebugMask = 0;	// All debug starts off
+
+	// Don't turn on ground when this is set
+	// Mac Books with intel 950s need this
+	if(!gSavedSettings.getBOOL("RenderGround"))
+	{
+		toggleRenderType(RENDER_TYPE_GROUND);
+	}
+
+	// make sure RenderPerformanceTest persists (hackity hack hack)
+	// disables non-object rendering (UI, sky, water, etc)
+	if (gSavedSettings.getBOOL("RenderPerformanceTest"))
+	{
+		gSavedSettings.setBOOL("RenderPerformanceTest", FALSE);
+		gSavedSettings.setBOOL("RenderPerformanceTest", TRUE);
+	}
+
+	mOldRenderDebugMask = mRenderDebugMask;
+
+	mBackfaceCull = TRUE;
+
+	stop_glerror();
+	
+	// Enable features
+		
+	LLViewerShaderMgr::instance()->setShaders();
+
+	stop_glerror();
+
+	for (U32 i = 0; i < 2; ++i)
+	{
+		mSpotLightFade[i] = 1.f;
+	}
+
+	setLightingDetail(-1);
+}
+
+LLPipeline::~LLPipeline()
+{
+
+}
+
+void LLPipeline::cleanup()
+{
+	assertInitialized();
+
+	mGroupQ1.clear() ;
+	mGroupQ2.clear() ;
+
+	for(pool_set_t::iterator iter = mPools.begin();
+		iter != mPools.end(); )
+	{
+		pool_set_t::iterator curiter = iter++;
+		LLDrawPool* poolp = *curiter;
+		if (poolp->isFacePool())
+		{
+			LLFacePool* face_pool = (LLFacePool*) poolp;
+			if (face_pool->mReferences.empty())
+			{
+				mPools.erase(curiter);
+				removeFromQuickLookup( poolp );
+				delete poolp;
+			}
+		}
+		else
+		{
+			mPools.erase(curiter);
+			removeFromQuickLookup( poolp );
+			delete poolp;
+		}
+	}
+	
+	if (!mTerrainPools.empty())
+	{
+		llwarns << "Terrain Pools not cleaned up" << llendl;
+	}
+	if (!mTreePools.empty())
+	{
+		llwarns << "Tree Pools not cleaned up" << llendl;
+	}
+		
+	delete mAlphaPool;
+	mAlphaPool = NULL;
+	delete mSkyPool;
+	mSkyPool = NULL;
+	delete mTerrainPool;
+	mTerrainPool = NULL;
+	delete mWaterPool;
+	mWaterPool = NULL;
+	delete mGroundPool;
+	mGroundPool = NULL;
+	delete mSimplePool;
+	mSimplePool = NULL;
+	delete mFullbrightPool;
+	mFullbrightPool = NULL;
+	delete mInvisiblePool;
+	mInvisiblePool = NULL;
+	delete mGlowPool;
+	mGlowPool = NULL;
+	delete mBumpPool;
+	mBumpPool = NULL;
+	// don't delete wl sky pool it was handled above in the for loop
+	//delete mWLSkyPool;
+	mWLSkyPool = NULL;
+
+	releaseGLBuffers();
+
+	mFaceSelectImagep = NULL;
+
+	mMovedBridge.clear();
+
+	mInitialized = FALSE;
+}
+
+//============================================================================
+
+void LLPipeline::destroyGL() 
+{
+	stop_glerror();
+	unloadShaders();
+	mHighlightFaces.clear();
+	
+	resetDrawOrders();
+
+	resetVertexBuffers();
+
+	releaseGLBuffers();
+
+	if (LLVertexBuffer::sEnableVBOs)
+	{
+		// render 30 frames after switching to work around DEV-5361
+		sDelayedVBOEnable = 30;
+		LLVertexBuffer::sEnableVBOs = FALSE;
+	}
+}
+
+static LLFastTimer::DeclareTimer FTM_RESIZE_SCREEN_TEXTURE("Resize Screen Texture");
+
+void LLPipeline::resizeScreenTexture()
+{
+	LLFastTimer ft(FTM_RESIZE_SCREEN_TEXTURE);
+	if (gPipeline.canUseVertexShaders() && assertInitialized())
+	{
+		GLuint resX = gViewerWindow->getWorldViewWidthRaw();
+		GLuint resY = gViewerWindow->getWorldViewHeightRaw();
+	
+		allocateScreenBuffer(resX,resY);
+	}
+}
+
+void LLPipeline::allocatePhysicsBuffer()
+{
+	GLuint resX = gViewerWindow->getWorldViewWidthRaw();
+	GLuint resY = gViewerWindow->getWorldViewHeightRaw();
+
+	if (mPhysicsDisplay.getWidth() != resX || mPhysicsDisplay.getHeight() != resY)
+	{
+		mPhysicsDisplay.allocate(resX, resY, GL_RGBA, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+		if (mSampleBuffer.getWidth() == mPhysicsDisplay.getWidth() && 
+			mSampleBuffer.getHeight() == mPhysicsDisplay.getHeight())
+		{
+			mPhysicsDisplay.setSampleBuffer(&mSampleBuffer);
+		}
+	}
+}
+
+void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
+{
+	// remember these dimensions
+	mScreenWidth = resX;
+	mScreenHeight = resY;
+	
+	//never use more than 4 samples for render targets
+	U32 samples = llmin(gSavedSettings.getU32("RenderFSAASamples"), (U32) 4);
+	if (gGLManager.mIsATI)
+	{ //disable multisampling of render targets where ATI is involved
+		samples = 0;
+	}
+
+	U32 res_mod = gSavedSettings.getU32("RenderResolutionDivisor");
+
+	if (res_mod > 1 && res_mod < resX && res_mod < resY)
+	{
+		resX /= res_mod;
+		resY /= res_mod;
+	}
+
+	if (gSavedSettings.getBOOL("RenderUIBuffer"))
+	{
+		mUIScreen.allocate(resX,resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+	}	
+
+	if (LLPipeline::sRenderDeferred)
+	{
+		S32 shadow_detail = gSavedSettings.getS32("RenderShadowDetail");
+		BOOL ssao = gSavedSettings.getBOOL("RenderDeferredSSAO");
+		bool gi = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED);
+
+		//allocate deferred rendering color buffers
+		mDeferredScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+		mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+		addDeferredAttachments(mDeferredScreen);
+	
+		mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		
+		mEdgeMap.allocate(resX, resY, GL_ALPHA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+
+		if (shadow_detail > 0 || ssao)
+		{ //only need mDeferredLight[0] for shadows OR ssao
+			mDeferredLight[0].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+		}
+		else
+		{
+			mDeferredLight[0].release();
+		}
+
+		if (ssao)
+		{ //only need mDeferredLight[1] for ssao
+			mDeferredLight[1].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+		}
+		else
+		{
+			mDeferredLight[1].release();
+		}
+
+		if (gi)
+		{ //only need mDeferredLight[2] and mGIMapPost for gi
+			mDeferredLight[2].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			for (U32 i = 0; i < 2; i++)
+			{
+				mGIMapPost[i].allocate(resX,resY, GL_RGB, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			}
+		}
+		else
+		{
+			mDeferredLight[2].release();
+		
+			for (U32 i = 0; i < 2; i++)
+			{
+				mGIMapPost[i].release();
+			}
+		}
+
+		F32 scale = gSavedSettings.getF32("RenderShadowResolutionScale");
+
+		//HACK: make alpha masking work on ATI depth shadows (work around for ATI driver bug)
+		U32 shadow_fmt = gGLManager.mIsATI ? GL_ALPHA : 0;
+
+		if (shadow_detail > 0)
+		{ //allocate 4 sun shadow maps
+			for (U32 i = 0; i < 4; i++)
+			{
+				mShadow[i].allocate(U32(resX*scale),U32(resY*scale), shadow_fmt, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			}
+		}
+		else
+		{
+			for (U32 i = 0; i < 4; i++)
+			{
+				mShadow[i].release();
+			}
+		}
+
+		U32 width = nhpo2(U32(resX*scale))/2;
+		U32 height = width;
+
+		if (shadow_detail > 1)
+		{ //allocate two spot shadow maps
+			for (U32 i = 4; i < 6; i++)
+			{
+				mShadow[i].allocate(width, height, shadow_fmt, TRUE, FALSE);
+			}
+		}
+		else
+		{
+			for (U32 i = 4; i < 6; i++)
+			{
+				mShadow[i].release();
+			}
+		}
+
+		width = nhpo2(resX)/2;
+		height = nhpo2(resY)/2;
+		mLuminanceMap.allocate(width,height, GL_RGBA, FALSE, FALSE);
+	}
+	else
+	{
+		for (U32 i = 0; i < 3; i++)
+		{ 
+			mDeferredLight[i].release();
+		}
+		for (U32 i = 0; i < 2; i++)
+		{
+			mGIMapPost[i].release();
+		}
+		for (U32 i = 0; i < 6; i++)
+		{
+			mShadow[i].release();
+		}
+		mScreen.release();
+		mDeferredScreen.release(); //make sure to release any render targets that share a depth buffer with mDeferredScreen first
+		mDeferredDepth.release();
+		mEdgeMap.release();
+		mLuminanceMap.release();
+		
+		mScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		
+	}
+	
+	if (LLRenderTarget::sUseFBO && samples > 1)
+	{ 
+		mSampleBuffer.allocate(resX,resY,GL_RGBA,TRUE,TRUE,LLTexUnit::TT_RECT_TEXTURE,FALSE,samples);
+		if (LLPipeline::sRenderDeferred)
+		{
+			addDeferredAttachments(mSampleBuffer);
+			mDeferredScreen.setSampleBuffer(&mSampleBuffer);
+			mEdgeMap.setSampleBuffer(&mSampleBuffer);
+		}
+
+		mScreen.setSampleBuffer(&mSampleBuffer);
+
+		stop_glerror();
+	}
+	else
+	{
+		mSampleBuffer.release();
+	}
+	
+	if (LLPipeline::sRenderDeferred)
+	{ //share depth buffer between deferred targets
+		mDeferredScreen.shareDepthBuffer(mScreen);
+		for (U32 i = 0; i < 3; i++)
+		{ //share stencil buffer with screen space lightmap to stencil out sky
+			if (mDeferredLight[i].getTexture(0))
+			{
+				mDeferredScreen.shareDepthBuffer(mDeferredLight[i]);
+			}
+		}
+	}
+
+	gGL.getTexUnit(0)->disable();
+
+	stop_glerror();
+
+}
+
+//static
+void LLPipeline::updateRenderDeferred()
+{
+	BOOL deferred = ((gSavedSettings.getBOOL("RenderDeferred") && 
+					 LLRenderTarget::sUseFBO &&
+					 LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
+					 gSavedSettings.getBOOL("VertexShaderEnable") && 
+					 gSavedSettings.getBOOL("RenderAvatarVP") &&
+					 gSavedSettings.getBOOL("WindLightUseAtmosShaders")) ? TRUE : FALSE) &&
+					!gUseWireframe;
+
+	sRenderDeferred = deferred;	
+	if (deferred)
+	{ //must render glow when rendering deferred since post effect pass is needed to present any lighting at all
+		sRenderGlow = TRUE;
+	}
+}
+
+void LLPipeline::releaseGLBuffers()
+{
+	assertInitialized();
+	
+	if (mNoiseMap)
+	{
+		LLImageGL::deleteTextures(1, &mNoiseMap);
+		mNoiseMap = 0;
+	}
+
+	if (mTrueNoiseMap)
+	{
+		LLImageGL::deleteTextures(1, &mTrueNoiseMap);
+		mTrueNoiseMap = 0;
+	}
+
+	if (mLightFunc)
+	{
+		LLImageGL::deleteTextures(1, &mLightFunc);
+		mLightFunc = 0;
+	}
+
+	mWaterRef.release();
+	mWaterDis.release();
+	mScreen.release();
+	mPhysicsDisplay.release();
+	mUIScreen.release();
+	mSampleBuffer.release();
+	mDeferredScreen.release();
+	mDeferredDepth.release();
+	for (U32 i = 0; i < 3; i++)
+	{
+		mDeferredLight[i].release();
+	}
+
+	mEdgeMap.release();
+	mGIMap.release();
+	mGIMapPost[0].release();
+	mGIMapPost[1].release();
+	mHighlight.release();
+	mLuminanceMap.release();
+	
+	for (U32 i = 0; i < 6; i++)
+	{
+		mShadow[i].release();
+	}
+
+	for (U32 i = 0; i < 3; i++)
+	{
+		mGlow[i].release();
+	}
+
+	LLVOAvatar::resetImpostors();
+}
+
+void LLPipeline::createGLBuffers()
+{
+	LLMemType mt_cb(LLMemType::MTYPE_PIPELINE_CREATE_BUFFERS);
+	assertInitialized();
+
+	updateRenderDeferred();
+
+	if (LLPipeline::sWaterReflections)
+	{ //water reflection texture
+		U32 res = (U32) gSavedSettings.getS32("RenderWaterRefResolution");
+			
+		mWaterRef.allocate(res,res,GL_RGBA,TRUE,FALSE);
+		mWaterDis.allocate(res,res,GL_RGBA,TRUE,FALSE);
+	}
+
+	mHighlight.allocate(256,256,GL_RGBA, FALSE, FALSE);
+
+	stop_glerror();
+
+	GLuint resX = gViewerWindow->getWorldViewWidthRaw();
+	GLuint resY = gViewerWindow->getWorldViewHeightRaw();
+	
+	if (LLPipeline::sRenderGlow)
+	{ //screen space glow buffers
+		const U32 glow_res = llmax(1, 
+			llmin(512, 1 << gSavedSettings.getS32("RenderGlowResolutionPow")));
+
+		for (U32 i = 0; i < 3; i++)
+		{
+			mGlow[i].allocate(512,glow_res,GL_RGBA,FALSE,FALSE);
+		}
+
+		allocateScreenBuffer(resX,resY);
+		mScreenWidth = 0;
+		mScreenHeight = 0;
+	}
+	
+	if (sRenderDeferred)
+	{
+		if (!mNoiseMap)
+		{
+			const U32 noiseRes = 128;
+			LLVector3 noise[noiseRes*noiseRes];
+
+			F32 scaler = gSavedSettings.getF32("RenderDeferredNoise")/100.f;
+			for (U32 i = 0; i < noiseRes*noiseRes; ++i)
+			{
+				noise[i] = LLVector3(ll_frand()-0.5f, ll_frand()-0.5f, 0.f);
+				noise[i].normVec();
+				noise[i].mV[2] = ll_frand()*scaler+1.f-scaler/2.f;
+			}
+
+			LLImageGL::generateTextures(1, &mNoiseMap);
+			
+			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mNoiseMap);
+			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F_ARB, noiseRes, noiseRes, GL_RGB, GL_FLOAT, noise);
+			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+		}
+
+		if (!mTrueNoiseMap)
+		{
+			const U32 noiseRes = 128;
+			F32 noise[noiseRes*noiseRes*3];
+			for (U32 i = 0; i < noiseRes*noiseRes*3; i++)
+			{
+				noise[i] = ll_frand()*2.0-1.0;
+			}
+
+			LLImageGL::generateTextures(1, &mTrueNoiseMap);
+			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mTrueNoiseMap);
+			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F_ARB, noiseRes, noiseRes, GL_RGB,GL_FLOAT, noise);
+			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+		}
+
+		if (!mLightFunc)
+		{
+			U32 lightResX = gSavedSettings.getU32("RenderSpecularResX");
+			U32 lightResY = gSavedSettings.getU32("RenderSpecularResY");
+			U8* lg = new U8[lightResX*lightResY];
+
+			for (U32 y = 0; y < lightResY; ++y)
+			{
+				for (U32 x = 0; x < lightResX; ++x)
+				{
+					//spec func
+					F32 sa = (F32) x/(lightResX-1);
+					F32 spec = (F32) y/(lightResY-1);
+					//lg[y*lightResX+x] = (U8) (powf(sa, 128.f*spec*spec)*255);
+
+					//F32 sp = acosf(sa)/(1.f-spec);
+
+					sa = powf(sa, gSavedSettings.getF32("RenderSpecularExponent"));
+					F32 a = acosf(sa*0.25f+0.75f);
+					F32 m = llmax(0.5f-spec*0.5f, 0.001f);
+					F32 t2 = tanf(a)/m;
+					t2 *= t2;
+
+					F32 c4a = (3.f+4.f*cosf(2.f*a)+cosf(4.f*a))/8.f;
+					F32 bd = 1.f/(4.f*m*m*c4a)*powf(F_E, -t2);
+
+					lg[y*lightResX+x] = (U8) (llclamp(bd, 0.f, 1.f)*255);
+				}
+			}
+
+			LLImageGL::generateTextures(1, &mLightFunc);
+			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);
+			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_ALPHA, lightResX, lightResY, GL_ALPHA, GL_UNSIGNED_BYTE, lg);
+			gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
+			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);
+
+			delete [] lg;
+		}
+
+		if (gSavedSettings.getBOOL("RenderDeferredGI"))
+		{
+			mGIMap.allocate(512,512,GL_RGBA, TRUE, FALSE);
+			addDeferredAttachments(mGIMap);
+		}
+	}
+}
+
+void LLPipeline::restoreGL() 
+{
+	LLMemType mt_cb(LLMemType::MTYPE_PIPELINE_RESTORE_GL);
+	assertInitialized();
+
+	if (mVertexShadersEnabled)
+	{
+		LLViewerShaderMgr::instance()->setShaders();
+	}
+
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				part->restoreGL();
+			}
+		}
+	}
+}
+
+
+BOOL LLPipeline::canUseVertexShaders()
+{
+	if (sDisableShaders ||
+		!gGLManager.mHasVertexShader ||
+		!gGLManager.mHasFragmentShader ||
+		!LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable") ||
+		(assertInitialized() && mVertexShadersLoaded != 1) )
+	{
+		return FALSE;
+	}
+	else
+	{
+		return TRUE;
+	}
+}
+
+BOOL LLPipeline::canUseWindLightShaders() const
+{
+	return (!LLPipeline::sDisableShaders &&
+			gWLSkyProgram.mProgramObject != 0 &&
+			LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT) > 1);
+}
+
+BOOL LLPipeline::canUseWindLightShadersOnObjects() const
+{
+	return (canUseWindLightShaders() 
+		&& LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 0);
+}
+
+BOOL LLPipeline::canUseAntiAliasing() const
+{
+	return TRUE;
+}
+
+void LLPipeline::unloadShaders()
+{
+	LLMemType mt_us(LLMemType::MTYPE_PIPELINE_UNLOAD_SHADERS);
+	LLViewerShaderMgr::instance()->unloadShaders();
+
+	mVertexShadersLoaded = 0;
+}
+
+void LLPipeline::assertInitializedDoError()
+{
+	llerrs << "LLPipeline used when uninitialized." << llendl;
+}
+
+//============================================================================
+
+void LLPipeline::enableShadows(const BOOL enable_shadows)
+{
+	//should probably do something here to wrangle shadows....	
+}
+
+S32 LLPipeline::getMaxLightingDetail() const
+{
+	/*if (mVertexShaderLevel[SHADER_OBJECT] >= LLDrawPoolSimple::SHADER_LEVEL_LOCAL_LIGHTS)
+	{
+		return 3;
+	}
+	else*/
+	{
+		return 1;
+	}
+}
+
+S32 LLPipeline::setLightingDetail(S32 level)
+{
+	LLMemType mt_ld(LLMemType::MTYPE_PIPELINE_LIGHTING_DETAIL);
+
+	if (level < 0)
+	{
+		if (gSavedSettings.getBOOL("RenderLocalLights"))
+		{
+			level = 1;
+		}
+		else
+		{
+			level = 0;
+		}
+	}
+	level = llclamp(level, 0, getMaxLightingDetail());
+	mLightingDetail = level;
+	
+	return mLightingDetail;
+}
+
+class LLOctreeDirtyTexture : public LLOctreeTraveler<LLDrawable>
+{
+public:
+	const std::set<LLViewerFetchedTexture*>& mTextures;
+
+	LLOctreeDirtyTexture(const std::set<LLViewerFetchedTexture*>& textures) : mTextures(textures) { }
+
+	virtual void visit(const LLOctreeNode<LLDrawable>* node)
+	{
+		LLSpatialGroup* group = (LLSpatialGroup*) node->getListener(0);
+
+		if (!group->isState(LLSpatialGroup::GEOM_DIRTY) && !group->getData().empty())
+		{
+			for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)
+			{
+				for (LLSpatialGroup::drawmap_elem_t::iterator j = i->second.begin(); j != i->second.end(); ++j) 
+				{
+					LLDrawInfo* params = *j;
+					LLViewerFetchedTexture* tex = LLViewerTextureManager::staticCastToFetchedTexture(params->mTexture);
+					if (tex && mTextures.find(tex) != mTextures.end())
+					{ 
+						group->setState(LLSpatialGroup::GEOM_DIRTY);
+					}
+				}
+			}
+		}
+
+		for (LLSpatialGroup::bridge_list_t::iterator i = group->mBridgeList.begin(); i != group->mBridgeList.end(); ++i)
+		{
+			LLSpatialBridge* bridge = *i;
+			traverse(bridge->mOctree);
+		}
+	}
+};
+
+// Called when a texture changes # of channels (causes faces to move to alpha pool)
+void LLPipeline::dirtyPoolObjectTextures(const std::set<LLViewerFetchedTexture*>& textures)
+{
+	assertInitialized();
+
+	// *TODO: This is inefficient and causes frame spikes; need a better way to do this
+	//        Most of the time is spent in dirty.traverse.
+
+	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
+	{
+		LLDrawPool *poolp = *iter;
+		if (poolp->isFacePool())
+		{
+			((LLFacePool*) poolp)->dirtyTextures(textures);
+		}
+	}
+	
+	LLOctreeDirtyTexture dirty(textures);
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				dirty.traverse(part->mOctree);
+			}
+		}
+	}
+}
+
+LLDrawPool *LLPipeline::findPool(const U32 type, LLViewerTexture *tex0)
+{
+	assertInitialized();
+
+	LLDrawPool *poolp = NULL;
+	switch( type )
+	{
+	case LLDrawPool::POOL_SIMPLE:
+		poolp = mSimplePool;
+		break;
+
+	case LLDrawPool::POOL_GRASS:
+		poolp = mGrassPool;
+		break;
+
+	case LLDrawPool::POOL_FULLBRIGHT:
+		poolp = mFullbrightPool;
+		break;
+
+	case LLDrawPool::POOL_INVISIBLE:
+		poolp = mInvisiblePool;
+		break;
+
+	case LLDrawPool::POOL_GLOW:
+		poolp = mGlowPool;
+		break;
+
+	case LLDrawPool::POOL_TREE:
+		poolp = get_if_there(mTreePools, (uintptr_t)tex0, (LLDrawPool*)0 );
+		break;
+
+	case LLDrawPool::POOL_TERRAIN:
+		poolp = get_if_there(mTerrainPools, (uintptr_t)tex0, (LLDrawPool*)0 );
+		break;
+
+	case LLDrawPool::POOL_BUMP:
+		poolp = mBumpPool;
+		break;
+
+	case LLDrawPool::POOL_ALPHA:
+		poolp = mAlphaPool;
+		break;
+
+	case LLDrawPool::POOL_AVATAR:
+		break; // Do nothing
+
+	case LLDrawPool::POOL_SKY:
+		poolp = mSkyPool;
+		break;
+
+	case LLDrawPool::POOL_WATER:
+		poolp = mWaterPool;
+		break;
+
+	case LLDrawPool::POOL_GROUND:
+		poolp = mGroundPool;
+		break;
+
+	case LLDrawPool::POOL_WL_SKY:
+		poolp = mWLSkyPool;
+		break;
+
+	default:
+		llassert(0);
+		llerrs << "Invalid Pool Type in  LLPipeline::findPool() type=" << type << llendl;
+		break;
+	}
+
+	return poolp;
+}
+
+
+LLDrawPool *LLPipeline::getPool(const U32 type,	LLViewerTexture *tex0)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE);
+	LLDrawPool *poolp = findPool(type, tex0);
+	if (poolp)
+	{
+		return poolp;
+	}
+
+	LLDrawPool *new_poolp = LLDrawPool::createPool(type, tex0);
+	addPool( new_poolp );
+
+	return new_poolp;
+}
+
+
+// static
+LLDrawPool* LLPipeline::getPoolFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE);
+	U32 type = getPoolTypeFromTE(te, imagep);
+	return gPipeline.getPool(type, imagep);
+}
+
+//static 
+U32 LLPipeline::getPoolTypeFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)
+{
+	LLMemType mt_gpt(LLMemType::MTYPE_PIPELINE_GET_POOL_TYPE);
+	
+	if (!te || !imagep)
+	{
+		return 0;
+	}
+		
+	bool alpha = te->getColor().mV[3] < 0.999f;
+	if (imagep)
+	{
+		alpha = alpha || (imagep->getComponents() == 4 && imagep->getType() != LLViewerTexture::MEDIA_TEXTURE) || (imagep->getComponents() == 2);
+	}
+
+	if (alpha)
+	{
+		return LLDrawPool::POOL_ALPHA;
+	}
+	else if ((te->getBumpmap() || te->getShiny()))
+	{
+		return LLDrawPool::POOL_BUMP;
+	}
+	else
+	{
+		return LLDrawPool::POOL_SIMPLE;
+	}
+}
+
+
+void LLPipeline::addPool(LLDrawPool *new_poolp)
+{
+	LLMemType mt_a(LLMemType::MTYPE_PIPELINE_ADD_POOL);
+	assertInitialized();
+	mPools.insert(new_poolp);
+	addToQuickLookup( new_poolp );
+}
+
+void LLPipeline::allocDrawable(LLViewerObject *vobj)
+{
+	LLMemType mt_ad(LLMemType::MTYPE_PIPELINE_ALLOCATE_DRAWABLE);
+	LLDrawable *drawable = new LLDrawable();
+	vobj->mDrawable = drawable;
+	
+	drawable->mVObjp     = vobj;
+	
+	//encompass completely sheared objects by taking 
+	//the most extreme point possible (<1,1,0.5>)
+	drawable->setRadius(LLVector3(1,1,0.5f).scaleVec(vobj->getScale()).length());
+	if (vobj->isOrphaned())
+	{
+		drawable->setState(LLDrawable::FORCE_INVISIBLE);
+	}
+	drawable->updateXform(TRUE);
+}
+
+
+static LLFastTimer::DeclareTimer FTM_UNLINK("Unlink");
+static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_MOVE_LIST("Movelist");
+static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_SPATIAL_PARTITION("Spatial Partition");
+static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_LIGHT_SET("Light Set");
+static LLFastTimer::DeclareTimer FTM_REMOVE_FROM_HIGHLIGHT_SET("Highlight Set");
+
+void LLPipeline::unlinkDrawable(LLDrawable *drawable)
+{
+	LLFastTimer t(FTM_UNLINK);
+
+	assertInitialized();
+
+	LLPointer<LLDrawable> drawablep = drawable; // make sure this doesn't get deleted before we are done
+	
+	// Based on flags, remove the drawable from the queues that it's on.
+	if (drawablep->isState(LLDrawable::ON_MOVE_LIST))
+	{
+		LLFastTimer t(FTM_REMOVE_FROM_MOVE_LIST);
+		LLDrawable::drawable_vector_t::iterator iter = std::find(mMovedList.begin(), mMovedList.end(), drawablep);
+		if (iter != mMovedList.end())
+		{
+			mMovedList.erase(iter);
+		}
+	}
+
+	if (drawablep->getSpatialGroup())
+	{
+		LLFastTimer t(FTM_REMOVE_FROM_SPATIAL_PARTITION);
+		if (!drawablep->getSpatialGroup()->mSpatialPartition->remove(drawablep, drawablep->getSpatialGroup()))
+		{
+#ifdef LL_RELEASE_FOR_DOWNLOAD
+			llwarns << "Couldn't remove object from spatial group!" << llendl;
+#else
+			llerrs << "Couldn't remove object from spatial group!" << llendl;
+#endif
+		}
+	}
+
+	{
+		LLFastTimer t(FTM_REMOVE_FROM_LIGHT_SET);
+		mLights.erase(drawablep);
+
+		for (light_set_t::iterator iter = mNearbyLights.begin();
+					iter != mNearbyLights.end(); iter++)
+		{
+			if (iter->drawable == drawablep)
+			{
+				mNearbyLights.erase(iter);
+				break;
+			}
+		}
+	}
+
+	{
+		LLFastTimer t(FTM_REMOVE_FROM_HIGHLIGHT_SET);
+		HighlightItem item(drawablep);
+		mHighlightSet.erase(item);
+
+		if (mHighlightObject == drawablep)
+		{
+			mHighlightObject = NULL;
+		}
+	}
+
+	for (U32 i = 0; i < 2; ++i)
+	{
+		if (mShadowSpotLight[i] == drawablep)
+		{
+			mShadowSpotLight[i] = NULL;
+		}
+
+		if (mTargetShadowSpotLight[i] == drawablep)
+		{
+			mTargetShadowSpotLight[i] = NULL;
+		}
+	}
+
+
+}
+
+U32 LLPipeline::addObject(LLViewerObject *vobj)
+{
+	LLMemType mt_ao(LLMemType::MTYPE_PIPELINE_ADD_OBJECT);
+	if (gNoRender)
+	{
+		return 0;
+	}
+
+	if (gSavedSettings.getBOOL("RenderDelayCreation"))
+	{
+		mCreateQ.push_back(vobj);
+	}
+	else
+	{
+		createObject(vobj);
+	}
+
+	return 1;
+}
+
+void LLPipeline::createObjects(F32 max_dtime)
+{
+	LLFastTimer ftm(FTM_GEO_UPDATE);
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_CREATE_OBJECTS);
+
+	LLTimer update_timer;
+
+	while (!mCreateQ.empty() && update_timer.getElapsedTimeF32() < max_dtime)
+	{
+		LLViewerObject* vobj = mCreateQ.front();
+		if (!vobj->isDead())
+		{
+			createObject(vobj);
+		}
+		mCreateQ.pop_front();
+	}
+	
+	//for (LLViewerObject::vobj_list_t::iterator iter = mCreateQ.begin(); iter != mCreateQ.end(); ++iter)
+	//{
+	//	createObject(*iter);
+	//}
+
+	//mCreateQ.clear();
+}
+
+void LLPipeline::createObject(LLViewerObject* vobj)
+{
+	LLDrawable* drawablep = vobj->mDrawable;
+
+	if (!drawablep)
+	{
+		drawablep = vobj->createDrawable(this);
+	}
+	else
+	{
+		llerrs << "Redundant drawable creation!" << llendl;
+	}
+		
+	llassert(drawablep);
+
+	if (vobj->getParent())
+	{
+		vobj->setDrawableParent(((LLViewerObject*)vobj->getParent())->mDrawable); // LLPipeline::addObject 1
+	}
+	else
+	{
+		vobj->setDrawableParent(NULL); // LLPipeline::addObject 2
+	}
+
+	markRebuild(drawablep, LLDrawable::REBUILD_ALL, TRUE);
+
+	if (drawablep->getVOVolume() && gSavedSettings.getBOOL("RenderAnimateRes"))
+	{
+		// fun animated res
+		drawablep->updateXform(TRUE);
+		drawablep->clearState(LLDrawable::MOVE_UNDAMPED);
+		drawablep->setScale(LLVector3(0,0,0));
+		drawablep->makeActive();
+	}
+}
+
+
+void LLPipeline::resetFrameStats()
+{
+	assertInitialized();
+
+	LLViewerStats::getInstance()->mTrianglesDrawnStat.addValue(mTrianglesDrawn/1000.f);
+
+	if (mBatchCount > 0)
+	{
+		mMeanBatchSize = gPipeline.mTrianglesDrawn/gPipeline.mBatchCount;
+	}
+	mTrianglesDrawn = 0;
+	sCompiles        = 0;
+	mVerticesRelit   = 0;
+	mLightingChanges = 0;
+	mGeometryChanges = 0;
+	mNumVisibleFaces = 0;
+
+	if (mOldRenderDebugMask != mRenderDebugMask)
+	{
+		gObjectList.clearDebugText();
+		mOldRenderDebugMask = mRenderDebugMask;
+	}
+		
+}
+
+//external functions for asynchronous updating
+void LLPipeline::updateMoveDampedAsync(LLDrawable* drawablep)
+{
+	if (gSavedSettings.getBOOL("FreezeTime"))
+	{
+		return;
+	}
+	if (!drawablep)
+	{
+		llerrs << "updateMove called with NULL drawablep" << llendl;
+		return;
+	}
+	if (drawablep->isState(LLDrawable::EARLY_MOVE))
+	{
+		return;
+	}
+
+	assertInitialized();
+
+	// update drawable now
+	drawablep->clearState(LLDrawable::MOVE_UNDAMPED); // force to DAMPED
+	drawablep->updateMove(); // returns done
+	drawablep->setState(LLDrawable::EARLY_MOVE); // flag says we already did an undamped move this frame
+	// Put on move list so that EARLY_MOVE gets cleared
+	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))
+	{
+		mMovedList.push_back(drawablep);
+		drawablep->setState(LLDrawable::ON_MOVE_LIST);
+	}
+}
+
+void LLPipeline::updateMoveNormalAsync(LLDrawable* drawablep)
+{
+	if (gSavedSettings.getBOOL("FreezeTime"))
+	{
+		return;
+	}
+	if (!drawablep)
+	{
+		llerrs << "updateMove called with NULL drawablep" << llendl;
+		return;
+	}
+	if (drawablep->isState(LLDrawable::EARLY_MOVE))
+	{
+		return;
+	}
+
+	assertInitialized();
+
+	// update drawable now
+	drawablep->setState(LLDrawable::MOVE_UNDAMPED); // force to UNDAMPED
+	drawablep->updateMove();
+	drawablep->setState(LLDrawable::EARLY_MOVE); // flag says we already did an undamped move this frame
+	// Put on move list so that EARLY_MOVE gets cleared
+	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))
+	{
+		mMovedList.push_back(drawablep);
+		drawablep->setState(LLDrawable::ON_MOVE_LIST);
+	}
+}
+
+void LLPipeline::updateMovedList(LLDrawable::drawable_vector_t& moved_list)
+{
+	for (LLDrawable::drawable_vector_t::iterator iter = moved_list.begin();
+		 iter != moved_list.end(); )
+	{
+		LLDrawable::drawable_vector_t::iterator curiter = iter++;
+		LLDrawable *drawablep = *curiter;
+		BOOL done = TRUE;
+		if (!drawablep->isDead() && (!drawablep->isState(LLDrawable::EARLY_MOVE)))
+		{
+			done = drawablep->updateMove();
+		}
+		drawablep->clearState(LLDrawable::EARLY_MOVE | LLDrawable::MOVE_UNDAMPED);
+		if (done)
+		{
+			drawablep->clearState(LLDrawable::ON_MOVE_LIST);
+			iter = moved_list.erase(curiter);
+		}
+	}
+}
+
+static LLFastTimer::DeclareTimer FTM_OCTREE_BALANCE("Balance Octree");
+static LLFastTimer::DeclareTimer FTM_UPDATE_MOVE("Update Move");
+
+void LLPipeline::updateMove()
+{
+	LLFastTimer t(FTM_UPDATE_MOVE);
+	LLMemType mt_um(LLMemType::MTYPE_PIPELINE_UPDATE_MOVE);
+
+	if (gSavedSettings.getBOOL("FreezeTime"))
+	{
+		return;
+	}
+
+	assertInitialized();
+
+	{
+		static LLFastTimer::DeclareTimer ftm("Retexture");
+		LLFastTimer t(ftm);
+
+		for (LLDrawable::drawable_set_t::iterator iter = mRetexturedList.begin();
+			 iter != mRetexturedList.end(); ++iter)
+		{
+			LLDrawable* drawablep = *iter;
+			if (drawablep && !drawablep->isDead())
+			{
+				drawablep->updateTexture();
+			}
+		}
+		mRetexturedList.clear();
+	}
+
+	{
+		static LLFastTimer::DeclareTimer ftm("Moved List");
+		LLFastTimer t(ftm);
+		updateMovedList(mMovedList);
+	}
+
+	//balance octrees
+	{
+ 		LLFastTimer ot(FTM_OCTREE_BALANCE);
+
+		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+		{
+			LLViewerRegion* region = *iter;
+			for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+			{
+				LLSpatialPartition* part = region->getSpatialPartition(i);
+				if (part)
+				{
+					part->mOctree->balance();
+				}
+			}
+		}
+	}
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// Culling and occlusion testing
+/////////////////////////////////////////////////////////////////////////////
+
+//static
+F32 LLPipeline::calcPixelArea(LLVector3 center, LLVector3 size, LLCamera &camera)
+{
+	LLVector3 lookAt = center - camera.getOrigin();
+	F32 dist = lookAt.length();
+
+	//ramp down distance for nearby objects
+	//shrink dist by dist/16.
+	if (dist < 16.f)
+	{
+		dist /= 16.f;
+		dist *= dist;
+		dist *= 16.f;
+	}
+
+	//get area of circle around node
+	F32 app_angle = atanf(size.length()/dist);
+	F32 radius = app_angle*LLDrawable::sCurPixelAngle;
+	return radius*radius * F_PI;
+}
+
+//static
+F32 LLPipeline::calcPixelArea(const LLVector4a& center, const LLVector4a& size, LLCamera &camera)
+{
+	LLVector4a origin;
+	origin.load3(camera.getOrigin().mV);
+
+	LLVector4a lookAt;
+	lookAt.setSub(center, origin);
+	F32 dist = lookAt.getLength3().getF32();
+
+	//ramp down distance for nearby objects
+	//shrink dist by dist/16.
+	if (dist < 16.f)
+	{
+		dist /= 16.f;
+		dist *= dist;
+		dist *= 16.f;
+	}
+
+	//get area of circle around node
+	F32 app_angle = atanf(size.getLength3().getF32()/dist);
+	F32 radius = app_angle*LLDrawable::sCurPixelAngle;
+	return radius*radius * F_PI;
+}
+
+void LLPipeline::grabReferences(LLCullResult& result)
+{
+	sCull = &result;
+}
+
+void LLPipeline::clearReferences()
+{
+	sCull = NULL;
+}
+
+void check_references(LLSpatialGroup* group, LLDrawable* drawable)
+{
+	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	{
+		if (drawable == *i)
+		{
+			llerrs << "LLDrawable deleted while actively reference by LLPipeline." << llendl;
+		}
+	}			
+}
+
+void check_references(LLDrawable* drawable, LLFace* face)
+{
+	for (S32 i = 0; i < drawable->getNumFaces(); ++i)
+	{
+		if (drawable->getFace(i) == face)
+		{
+			llerrs << "LLFace deleted while actively referenced by LLPipeline." << llendl;
+		}
+	}
+}
+
+void check_references(LLSpatialGroup* group, LLFace* face)
+{
+	for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+	{
+		LLDrawable* drawable = *i;
+		check_references(drawable, face);
+	}			
+}
+
+void LLPipeline::checkReferences(LLFace* face)
+{
+#if 0
+	if (sCull)
+	{
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, face);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, face);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, face);
+		}
+
+		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
+		{
+			LLDrawable* drawable = *iter;
+			check_references(drawable, face);	
+		}
+	}
+#endif
+}
+
+void LLPipeline::checkReferences(LLDrawable* drawable)
+{
+#if 0
+	if (sCull)
+	{
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, drawable);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, drawable);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, drawable);
+		}
+
+		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList(); iter != sCull->endVisibleList(); ++iter)
+		{
+			if (drawable == *iter)
+			{
+				llerrs << "LLDrawable deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+	}
+#endif
+}
+
+void check_references(LLSpatialGroup* group, LLDrawInfo* draw_info)
+{
+	for (LLSpatialGroup::draw_map_t::iterator i = group->mDrawMap.begin(); i != group->mDrawMap.end(); ++i)
+	{
+		LLSpatialGroup::drawmap_elem_t& draw_vec = i->second;
+		for (LLSpatialGroup::drawmap_elem_t::iterator j = draw_vec.begin(); j != draw_vec.end(); ++j)
+		{
+			LLDrawInfo* params = *j;
+			if (params == draw_info)
+			{
+				llerrs << "LLDrawInfo deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+	}
+}
+
+
+void LLPipeline::checkReferences(LLDrawInfo* draw_info)
+{
+#if 0
+	if (sCull)
+	{
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, draw_info);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, draw_info);
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			check_references(group, draw_info);
+		}
+	}
+#endif
+}
+
+void LLPipeline::checkReferences(LLSpatialGroup* group)
+{
+#if 0
+	if (sCull)
+	{
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			if (group == *iter)
+			{
+				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginAlphaGroups(); iter != sCull->endAlphaGroups(); ++iter)
+		{
+			if (group == *iter)
+			{
+				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+		{
+			if (group == *iter)
+			{
+				llerrs << "LLSpatialGroup deleted while actively referenced by LLPipeline." << llendl;
+			}
+		}
+	}
+#endif
+}
+
+
+BOOL LLPipeline::visibleObjectsInFrustum(LLCamera& camera)
+{
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				if (hasRenderType(part->mDrawableType))
+				{
+					if (part->visibleObjectsInFrustum(camera))
+					{
+						return TRUE;
+					}
+				}
+			}
+		}
+	}
+
+	return FALSE;
+}
+
+BOOL LLPipeline::getVisibleExtents(LLCamera& camera, LLVector3& min, LLVector3& max)
+{
+	const F32 X = 65536.f;
+
+	min = LLVector3(X,X,X);
+	max = LLVector3(-X,-X,-X);
+
+	U32 saved_camera_id = LLViewerCamera::sCurCameraID;
+	LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
+
+	BOOL res = TRUE;
+
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				if (hasRenderType(part->mDrawableType))
+				{
+					if (!part->getVisibleExtents(camera, min, max))
+					{
+						res = FALSE;
+					}
+				}
+			}
+		}
+	}
+
+	LLViewerCamera::sCurCameraID = saved_camera_id;
+
+	return res;
+}
+
+static LLFastTimer::DeclareTimer FTM_CULL("Object Culling");
+
+void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_clip)
+{
+	LLFastTimer t(FTM_CULL);
+	LLMemType mt_uc(LLMemType::MTYPE_PIPELINE_UPDATE_CULL);
+
+	grabReferences(result);
+
+	sCull->clear();
+
+	BOOL to_texture =	LLPipeline::sUseOcclusion > 1 &&
+						!hasRenderType(LLPipeline::RENDER_TYPE_HUD) && 
+						LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&
+						gPipeline.canUseVertexShaders() &&
+						sRenderGlow;
+
+	if (to_texture)
+	{
+		mScreen.bindTarget();
+	}
+
+	glMatrixMode(GL_PROJECTION);
+	glPushMatrix();
+	glLoadMatrixd(gGLLastProjection);
+	glMatrixMode(GL_MODELVIEW);
+	glPushMatrix();
+	gGLLastMatrix = NULL;
+	glLoadMatrixd(gGLLastModelView);
+
+
+	LLVertexBuffer::unbind();
+	LLGLDisable blend(GL_BLEND);
+	LLGLDisable test(GL_ALPHA_TEST);
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+	if (sUseOcclusion > 1)
+	{
+		gGL.setColorMask(false, false);
+	}
+
+	LLGLDepthTest depth(GL_TRUE, GL_FALSE);
+
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+		if (water_clip != 0)
+		{
+			LLPlane plane(LLVector3(0,0, (F32) -water_clip), (F32) water_clip*region->getWaterHeight());
+			camera.setUserClipPlane(plane);
+		}
+		else
+		{
+			camera.disableUserClipPlane();
+		}
+
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				if (hasRenderType(part->mDrawableType))
+				{
+					part->cull(camera);
+				}
+			}
+		}
+	}
+
+	camera.disableUserClipPlane();
+
+	if (hasRenderType(LLPipeline::RENDER_TYPE_SKY) && 
+		gSky.mVOSkyp.notNull() && 
+		gSky.mVOSkyp->mDrawable.notNull())
+	{
+		gSky.mVOSkyp->mDrawable->setVisible(camera);
+		sCull->pushDrawable(gSky.mVOSkyp->mDrawable);
+		gSky.updateCull();
+		stop_glerror();
+	}
+
+	if (hasRenderType(LLPipeline::RENDER_TYPE_GROUND) && 
+		!gPipeline.canUseWindLightShaders() &&
+		gSky.mVOGroundp.notNull() && 
+		gSky.mVOGroundp->mDrawable.notNull() &&
+		!LLPipeline::sWaterReflections)
+	{
+		gSky.mVOGroundp->mDrawable->setVisible(camera);
+		sCull->pushDrawable(gSky.mVOGroundp->mDrawable);
+	}
+	
+	
+	glMatrixMode(GL_PROJECTION);
+	glPopMatrix();
+	glMatrixMode(GL_MODELVIEW);
+	glPopMatrix();
+
+	if (sUseOcclusion > 1)
+	{
+		gGL.setColorMask(true, false);
+	}
+
+	if (to_texture)
+	{
+		mScreen.flush();
+	}
+}
+
+void LLPipeline::markNotCulled(LLSpatialGroup* group, LLCamera& camera)
+{
+	if (group->getData().empty())
+	{ 
+		return;
+	}
+	
+	group->setVisible();
+
+	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)
+	{
+		group->updateDistance(camera);
+	}
+	
+	const F32 MINIMUM_PIXEL_AREA = 16.f;
+
+	if (group->mPixelArea < MINIMUM_PIXEL_AREA)
+	{
+		return;
+	}
+
+	if (sMinRenderSize > 0.f && 
+			llmax(llmax(group->mBounds[1][0], group->mBounds[1][1]), group->mBounds[1][2]) < sMinRenderSize)
+	{
+		return;
+	}
+
+	assertInitialized();
+	
+	if (!group->mSpatialPartition->mRenderByGroup)
+	{ //render by drawable
+		sCull->pushDrawableGroup(group);
+	}
+	else
+	{   //render by group
+		sCull->pushVisibleGroup(group);
+	}
+
+	mNumVisibleNodes++;
+}
+
+void LLPipeline::markOccluder(LLSpatialGroup* group)
+{
+	if (sUseOcclusion > 1 && group && !group->isOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION))
+	{
+		LLSpatialGroup* parent = group->getParent();
+
+		if (!parent || !parent->isOcclusionState(LLSpatialGroup::OCCLUDED))
+		{ //only mark top most occluders as active occlusion
+			sCull->pushOcclusionGroup(group);
+			group->setOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);
+				
+			if (parent && 
+				!parent->isOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION) &&
+				parent->getElementCount() == 0 &&
+				parent->needsUpdate())
+			{
+				sCull->pushOcclusionGroup(group);
+				parent->setOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);
+			}
+		}
+	}
+}
+
+void LLPipeline::doOcclusion(LLCamera& camera)
+{
+	if (LLPipeline::sUseOcclusion > 1 && sCull->hasOcclusionGroups())
+	{
+		LLVertexBuffer::unbind();
+
+		if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_OCCLUSION))
+		{
+			gGL.setColorMask(true, false, false, false);
+		}
+		else
+		{
+			gGL.setColorMask(false, false);
+		}
+		LLGLDisable blend(GL_BLEND);
+		LLGLDisable test(GL_ALPHA_TEST);
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
+
+		LLGLDisable cull(GL_CULL_FACE);
+		
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginOcclusionGroups(); iter != sCull->endOcclusionGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			group->doOcclusion(&camera);
+			group->clearOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);
+		}
+	
+		gGL.setColorMask(true, false);
+	}
+}
+	
+BOOL LLPipeline::updateDrawableGeom(LLDrawable* drawablep, BOOL priority)
+{
+	BOOL update_complete = drawablep->updateGeometry(priority);
+	if (update_complete && assertInitialized())
+	{
+		drawablep->setState(LLDrawable::BUILT);
+		mGeometryChanges++;
+	}
+	return update_complete;
+}
+
+void LLPipeline::updateGL()
+{
+	while (!LLGLUpdate::sGLQ.empty())
+	{
+		LLGLUpdate* glu = LLGLUpdate::sGLQ.front();
+		glu->updateGL();
+		glu->mInQ = FALSE;
+		LLGLUpdate::sGLQ.pop_front();
+	}
+}
+
+void LLPipeline::rebuildPriorityGroups()
+{
+	LLTimer update_timer;
+	LLMemType mt(LLMemType::MTYPE_PIPELINE);
+	
+	assertInitialized();
+
+	gMeshRepo.notifyLoadedMeshes();
+
+	mGroupQ1Locked = true;
+	// Iterate through all drawables on the priority build queue,
+	for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ1.begin();
+		 iter != mGroupQ1.end(); ++iter)
+	{
+		LLSpatialGroup* group = *iter;
+		group->rebuildGeom();
+		group->clearState(LLSpatialGroup::IN_BUILD_Q1);
+	}
+
+	mGroupQ1.clear();
+	mGroupQ1Locked = false;
+
+}
+		
+void LLPipeline::rebuildGroups()
+{
+	if (mGroupQ2.empty())
+	{
+		return;
+	}
+
+	mGroupQ2Locked = true;
+	// Iterate through some drawables on the non-priority build queue
+	S32 size = (S32) mGroupQ2.size();
+	S32 min_count = llclamp((S32) ((F32) (size * size)/4096*0.25f), 1, size);
+			
+	S32 count = 0;
+	
+	std::sort(mGroupQ2.begin(), mGroupQ2.end(), LLSpatialGroup::CompareUpdateUrgency());
+
+	LLSpatialGroup::sg_vector_t::iterator iter;
+	LLSpatialGroup::sg_vector_t::iterator last_iter = mGroupQ2.begin();
+
+	for (iter = mGroupQ2.begin();
+		 iter != mGroupQ2.end() && count <= min_count; ++iter)
+	{
+		LLSpatialGroup* group = *iter;
+		last_iter = iter;
+
+		if (!group->isDead())
+		{
+			group->rebuildGeom();
+			
+			if (group->mSpatialPartition->mRenderByGroup)
+			{
+				count++;
+			}
+		}
+
+		group->clearState(LLSpatialGroup::IN_BUILD_Q2);
+	}	
+
+	mGroupQ2.erase(mGroupQ2.begin(), ++last_iter);
+
+	mGroupQ2Locked = false;
+
+	updateMovedList(mMovedBridge);
+}
+
+void LLPipeline::updateGeom(F32 max_dtime)
+{
+	LLTimer update_timer;
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_UPDATE_GEOM);
+	LLPointer<LLDrawable> drawablep;
+
+	LLFastTimer t(FTM_GEO_UPDATE);
+
+	assertInitialized();
+
+	if (sDelayedVBOEnable > 0)
+	{
+		if (--sDelayedVBOEnable <= 0)
+		{
+			resetVertexBuffers();
+			LLVertexBuffer::sEnableVBOs = TRUE;
+		}
+	}
+
+	// notify various object types to reset internal cost metrics, etc.
+	// for now, only LLVOVolume does this to throttle LOD changes
+	LLVOVolume::preUpdateGeom();
+
+	// Iterate through all drawables on the priority build queue,
+	for (LLDrawable::drawable_list_t::iterator iter = mBuildQ1.begin();
+		 iter != mBuildQ1.end();)
+	{
+		LLDrawable::drawable_list_t::iterator curiter = iter++;
+		LLDrawable* drawablep = *curiter;
+		if (drawablep && !drawablep->isDead())
+		{
+			if (drawablep->isState(LLDrawable::IN_REBUILD_Q2))
+			{
+				drawablep->clearState(LLDrawable::IN_REBUILD_Q2);
+				LLDrawable::drawable_list_t::iterator find = std::find(mBuildQ2.begin(), mBuildQ2.end(), drawablep);
+				if (find != mBuildQ2.end())
+				{
+					mBuildQ2.erase(find);
+				}
+			}
+
+			if (updateDrawableGeom(drawablep, TRUE))
+			{
+				drawablep->clearState(LLDrawable::IN_REBUILD_Q1);
+				mBuildQ1.erase(curiter);
+			}
+		}
+		else
+		{
+			mBuildQ1.erase(curiter);
+		}
+	}
+		
+	// Iterate through some drawables on the non-priority build queue
+	S32 min_count = 16;
+	S32 size = (S32) mBuildQ2.size();
+	if (size > 1024)
+	{
+		min_count = llclamp((S32) (size * (F32) size/4096), 16, size);
+	}
+		
+	S32 count = 0;
+	
+	max_dtime = llmax(update_timer.getElapsedTimeF32()+0.001f, max_dtime);
+	LLSpatialGroup* last_group = NULL;
+	LLSpatialBridge* last_bridge = NULL;
+
+	for (LLDrawable::drawable_list_t::iterator iter = mBuildQ2.begin();
+		 iter != mBuildQ2.end(); )
+	{
+		LLDrawable::drawable_list_t::iterator curiter = iter++;
+		LLDrawable* drawablep = *curiter;
+
+		LLSpatialBridge* bridge = drawablep->isRoot() ? drawablep->getSpatialBridge() :
+									drawablep->getParent()->getSpatialBridge();
+
+		if (drawablep->getSpatialGroup() != last_group && 
+			(!last_bridge || bridge != last_bridge) &&
+			(update_timer.getElapsedTimeF32() >= max_dtime) && count > min_count)
+		{
+			break;
+		}
+
+		//make sure updates don't stop in the middle of a spatial group
+		//to avoid thrashing (objects are enqueued by group)
+		last_group = drawablep->getSpatialGroup();
+		last_bridge = bridge;
+
+		BOOL update_complete = TRUE;
+		if (!drawablep->isDead())
+		{
+			update_complete = updateDrawableGeom(drawablep, FALSE);
+			count++;
+		}
+		if (update_complete)
+		{
+			drawablep->clearState(LLDrawable::IN_REBUILD_Q2);
+			mBuildQ2.erase(curiter);
+		}
+	}	
+
+	updateMovedList(mMovedBridge);
+}
+
+void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_VISIBLE);
+
+	if(drawablep && !drawablep->isDead())
+	{
+		if (drawablep->isSpatialBridge())
+		{
+			const LLDrawable* root = ((LLSpatialBridge*) drawablep)->mDrawable;
+			llassert(root); // trying to catch a bad assumption
+			if (root && //  // this test may not be needed, see above
+					root->getVObj()->isAttachment())
+			{
+				LLDrawable* rootparent = root->getParent();
+				if (rootparent) // this IS sometimes NULL
+				{
+					LLViewerObject *vobj = rootparent->getVObj();
+					llassert(vobj); // trying to catch a bad assumption
+					if (vobj) // this test may not be needed, see above
+					{
+						const LLVOAvatar* av = vobj->asAvatar();
+						if (av && av->isImpostor())
+						{
+							return;
+						}
+					}
+				}
+			}
+			sCull->pushBridge((LLSpatialBridge*) drawablep);
+		}
+		else
+		{
+			sCull->pushDrawable(drawablep);
+		}
+
+		drawablep->setVisible(camera);
+	}
+}
+
+void LLPipeline::markMoved(LLDrawable *drawablep, BOOL damped_motion)
+{
+	LLMemType mt_mm(LLMemType::MTYPE_PIPELINE_MARK_MOVED);
+
+	if (!drawablep)
+	{
+		//llerrs << "Sending null drawable to moved list!" << llendl;
+		return;
+	}
+	
+	if (drawablep->isDead())
+	{
+		llwarns << "Marking NULL or dead drawable moved!" << llendl;
+		return;
+	}
+	
+	if (drawablep->getParent()) 
+	{
+		//ensure that parent drawables are moved first
+		markMoved(drawablep->getParent(), damped_motion);
+	}
+
+	assertInitialized();
+
+	if (!drawablep->isState(LLDrawable::ON_MOVE_LIST))
+	{
+		if (drawablep->isSpatialBridge())
+		{
+			mMovedBridge.push_back(drawablep);
+		}
+		else
+		{
+			mMovedList.push_back(drawablep);
+		}
+		drawablep->setState(LLDrawable::ON_MOVE_LIST);
+	}
+	if (damped_motion == FALSE)
+	{
+		drawablep->setState(LLDrawable::MOVE_UNDAMPED); // UNDAMPED trumps DAMPED
+	}
+	else if (drawablep->isState(LLDrawable::MOVE_UNDAMPED))
+	{
+		drawablep->clearState(LLDrawable::MOVE_UNDAMPED);
+	}
+}
+
+void LLPipeline::markShift(LLDrawable *drawablep)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_SHIFT);
+
+	if (!drawablep || drawablep->isDead())
+	{
+		return;
+	}
+
+	assertInitialized();
+
+	if (!drawablep->isState(LLDrawable::ON_SHIFT_LIST))
+	{
+		drawablep->getVObj()->setChanged(LLXform::SHIFTED | LLXform::SILHOUETTE);
+		if (drawablep->getParent()) 
+		{
+			markShift(drawablep->getParent());
+		}
+		mShiftList.push_back(drawablep);
+		drawablep->setState(LLDrawable::ON_SHIFT_LIST);
+	}
+}
+
+void LLPipeline::shiftObjects(const LLVector3 &offset)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_SHIFT_OBJECTS);
+
+	assertInitialized();
+
+	glClear(GL_DEPTH_BUFFER_BIT);
+	gDepthDirty = TRUE;
+		
+	LLVector4a offseta;
+	offseta.load3(offset.mV);
+
+	for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();
+		 iter != mShiftList.end(); iter++)
+	{
+		LLDrawable *drawablep = *iter;
+		if (drawablep->isDead())
+		{
+			continue;
+		}	
+		drawablep->shiftPos(offseta);	
+		drawablep->clearState(LLDrawable::ON_SHIFT_LIST);
+	}
+	mShiftList.resize(0);
+
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				part->shift(offseta);
+			}
+		}
+	}
+
+	LLHUDText::shiftAll(offset);
+	LLHUDNameTag::shiftAll(offset);
+	display_update_camera();
+}
+
+void LLPipeline::markTextured(LLDrawable *drawablep)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_TEXTURED);
+
+	if (drawablep && !drawablep->isDead() && assertInitialized())
+	{
+		mRetexturedList.insert(drawablep);
+	}
+}
+
+void LLPipeline::markGLRebuild(LLGLUpdate* glu)
+{
+	if (glu && !glu->mInQ)
+	{
+		LLGLUpdate::sGLQ.push_back(glu);
+		glu->mInQ = TRUE;
+	}
+}
+
+void LLPipeline::markRebuild(LLSpatialGroup* group, BOOL priority)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE);
+	
+	if (group && !group->isDead() && group->mSpatialPartition)
+	{
+		if (group->mSpatialPartition->mPartitionType == LLViewerRegion::PARTITION_HUD)
+		{
+			priority = TRUE;
+		}
+
+		if (priority)
+		{
+			if (!group->isState(LLSpatialGroup::IN_BUILD_Q1))
+			{
+				llassert_always(!mGroupQ1Locked);
+
+				mGroupQ1.push_back(group);
+				group->setState(LLSpatialGroup::IN_BUILD_Q1);
+
+				if (group->isState(LLSpatialGroup::IN_BUILD_Q2))
+				{
+					LLSpatialGroup::sg_vector_t::iterator iter = std::find(mGroupQ2.begin(), mGroupQ2.end(), group);
+					if (iter != mGroupQ2.end())
+					{
+						mGroupQ2.erase(iter);
+					}
+					group->clearState(LLSpatialGroup::IN_BUILD_Q2);
+				}
+			}
+		}
+		else if (!group->isState(LLSpatialGroup::IN_BUILD_Q2 | LLSpatialGroup::IN_BUILD_Q1))
+		{
+			llassert_always(!mGroupQ2Locked);
+			mGroupQ2.push_back(group);
+			group->setState(LLSpatialGroup::IN_BUILD_Q2);
+
+		}
+	}
+}
+
+void LLPipeline::markRebuild(LLDrawable *drawablep, LLDrawable::EDrawableFlags flag, BOOL priority)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_REBUILD);
+
+	if (drawablep && !drawablep->isDead() && assertInitialized())
+	{
+		if (!drawablep->isState(LLDrawable::BUILT))
+		{
+			priority = TRUE;
+		}
+		if (priority)
+		{
+			if (!drawablep->isState(LLDrawable::IN_REBUILD_Q1))
+			{
+				mBuildQ1.push_back(drawablep);
+				drawablep->setState(LLDrawable::IN_REBUILD_Q1); // mark drawable as being in priority queue
+			}
+		}
+		else if (!drawablep->isState(LLDrawable::IN_REBUILD_Q2))
+		{
+			mBuildQ2.push_back(drawablep);
+			drawablep->setState(LLDrawable::IN_REBUILD_Q2); // need flag here because it is just a list
+		}
+		if (flag & (LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION))
+		{
+			drawablep->getVObj()->setChanged(LLXform::SILHOUETTE);
+		}
+		drawablep->setState(flag);
+	}
+}
+
+static LLFastTimer::DeclareTimer FTM_RESET_DRAWORDER("Reset Draw Order");
+
+void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
+{
+	if (hasAnyRenderType(LLPipeline::RENDER_TYPE_AVATAR,
+					  LLPipeline::RENDER_TYPE_GROUND,
+					  LLPipeline::RENDER_TYPE_TERRAIN,
+					  LLPipeline::RENDER_TYPE_TREE,
+					  LLPipeline::RENDER_TYPE_SKY,
+					  LLPipeline::RENDER_TYPE_VOIDWATER,
+					  LLPipeline::RENDER_TYPE_WATER,
+					  LLPipeline::END_RENDER_TYPES))
+	{
+		//clear faces from face pools
+		LLFastTimer t(FTM_RESET_DRAWORDER);
+		gPipeline.resetDrawOrders();
+	}
+
+	LLFastTimer ftm(FTM_STATESORT);
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
+
+	//LLVertexBuffer::unbind();
+
+	grabReferences(result);
+	for (LLCullResult::sg_list_t::iterator iter = sCull->beginDrawableGroups(); iter != sCull->endDrawableGroups(); ++iter)
+	{
+		LLSpatialGroup* group = *iter;
+		group->checkOcclusion();
+		if (sUseOcclusion > 1 && group->isOcclusionState(LLSpatialGroup::OCCLUDED))
+		{
+			markOccluder(group);
+		}
+		else
+		{
+			group->setVisible();
+			for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+			{
+				markVisible(*i, camera);
+			}
+		}
+	}
+
+	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)
+	{
+		LLSpatialGroup* last_group = NULL;
+		for (LLCullResult::bridge_list_t::iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
+		{
+			LLCullResult::bridge_list_t::iterator cur_iter = i;
+			LLSpatialBridge* bridge = *cur_iter;
+			LLSpatialGroup* group = bridge->getSpatialGroup();
+
+			if (last_group == NULL)
+			{
+				last_group = group;
+			}
+
+			if (!bridge->isDead() && group && !group->isOcclusionState(LLSpatialGroup::OCCLUDED))
+			{
+				stateSort(bridge, camera);
+			}
+
+			if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&
+				last_group != group && last_group->changeLOD())
+			{
+				last_group->mLastUpdateDistance = last_group->mDistance;
+			}
+
+			last_group = group;
+		}
+
+		if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD &&
+			last_group && last_group->changeLOD())
+		{
+			last_group->mLastUpdateDistance = last_group->mDistance;
+		}
+	}
+
+	for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+	{
+		LLSpatialGroup* group = *iter;
+		group->checkOcclusion();
+		if (sUseOcclusion > 1 && group->isOcclusionState(LLSpatialGroup::OCCLUDED))
+		{
+			markOccluder(group);
+		}
+		else
+		{
+			group->setVisible();
+			stateSort(group, camera);
+		}
+	}
+	
+	{
+		LLFastTimer ftm(FTM_STATESORT_DRAWABLE);
+		for (LLCullResult::drawable_list_t::iterator iter = sCull->beginVisibleList();
+			 iter != sCull->endVisibleList(); ++iter)
+		{
+			LLDrawable *drawablep = *iter;
+			if (!drawablep->isDead())
+			{
+				stateSort(drawablep, camera);
+			}
+		}
+	}
+	{
+		LLFastTimer ftm(FTM_CLIENT_COPY);
+		LLVertexBuffer::clientCopy();
+	}
+	
+	postSort(camera);	
+}
+
+void LLPipeline::stateSort(LLSpatialGroup* group, LLCamera& camera)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
+	if (group->changeLOD())
+	{
+		for (LLSpatialGroup::element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
+		{
+			LLDrawable* drawablep = *i;
+			stateSort(drawablep, camera);
+		}
+
+		if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)
+		{ //avoid redundant stateSort calls
+			group->mLastUpdateDistance = group->mDistance;
+		}
+	}
+
+}
+
+void LLPipeline::stateSort(LLSpatialBridge* bridge, LLCamera& camera)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
+	if (bridge->getSpatialGroup()->changeLOD())
+	{
+		bool force_update = false;
+		bridge->updateDistance(camera, force_update);
+	}
+}
+
+void LLPipeline::stateSort(LLDrawable* drawablep, LLCamera& camera)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
+		
+	if (!drawablep
+		|| drawablep->isDead() 
+		|| !hasRenderType(drawablep->getRenderType()))
+	{
+		return;
+	}
+	
+	if (LLSelectMgr::getInstance()->mHideSelectedObjects)
+	{
+		if (drawablep->getVObj().notNull() &&
+			drawablep->getVObj()->isSelected())
+		{
+			return;
+		}
+	}
+
+	if (drawablep->isAvatar())
+	{ //don't draw avatars beyond render distance or if we don't have a spatial group.
+		if ((drawablep->getSpatialGroup() == NULL) || 
+			(drawablep->getSpatialGroup()->mDistance > LLVOAvatar::sRenderDistance))
+		{
+			return;
+		}
+
+		LLVOAvatar* avatarp = (LLVOAvatar*) drawablep->getVObj().get();
+		if (!avatarp->isVisible())
+		{
+			return;
+		}
+	}
+
+	assertInitialized();
+
+	if (hasRenderType(drawablep->mRenderType))
+	{
+		if (!drawablep->isState(LLDrawable::INVISIBLE|LLDrawable::FORCE_INVISIBLE))
+		{
+			drawablep->setVisible(camera, NULL, FALSE);
+		}
+		else if (drawablep->isState(LLDrawable::CLEAR_INVISIBLE))
+		{
+			// clear invisible flag here to avoid single frame glitch
+			drawablep->clearState(LLDrawable::FORCE_INVISIBLE|LLDrawable::CLEAR_INVISIBLE);
+		}
+	}
+
+	if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)
+	{
+		if (drawablep->isVisible())
+		{
+			if (!drawablep->isActive())
+			{
+				bool force_update = false;
+				drawablep->updateDistance(camera, force_update);
+			}
+			else if (drawablep->isAvatar())
+			{
+				bool force_update = false;
+				drawablep->updateDistance(camera, force_update); // calls vobj->updateLOD() which calls LLVOAvatar::updateVisibility()
+			}
+		}
+	}
+
+	if (!drawablep->getVOVolume())
+	{
+		for (LLDrawable::face_list_t::iterator iter = drawablep->mFaces.begin();
+				iter != drawablep->mFaces.end(); iter++)
+		{
+			LLFace* facep = *iter;
+
+			if (facep->hasGeometry())
+			{
+				if (facep->getPool())
+				{
+					facep->getPool()->enqueue(facep);
+				}
+				else
+				{
+					break;
+				}
+			}
+		}
+	}
+	
+
+	mNumVisibleFaces += drawablep->getNumFaces();
+}
+
+
+void forAllDrawables(LLCullResult::sg_list_t::iterator begin, 
+					 LLCullResult::sg_list_t::iterator end,
+					 void (*func)(LLDrawable*))
+{
+	for (LLCullResult::sg_list_t::iterator i = begin; i != end; ++i)
+	{
+		for (LLSpatialGroup::element_iter j = (*i)->getData().begin(); j != (*i)->getData().end(); ++j)
+		{
+			func(*j);	
+		}
+	}
+}
+
+void LLPipeline::forAllVisibleDrawables(void (*func)(LLDrawable*))
+{
+	forAllDrawables(sCull->beginDrawableGroups(), sCull->endDrawableGroups(), func);
+	forAllDrawables(sCull->beginVisibleGroups(), sCull->endVisibleGroups(), func);
+}
+
+//function for creating scripted beacons
+void renderScriptedBeacons(LLDrawable* drawablep)
+{
+	LLViewerObject *vobj = drawablep->getVObj();
+	if (vobj 
+		&& !vobj->isAvatar() 
+		&& !vobj->getParent()
+		&& vobj->flagScripted())
+	{
+		if (gPipeline.sRenderBeacons)
+		{
+			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 0.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));
+		}
+
+		if (gPipeline.sRenderHighlight)
+		{
+			S32 face_id;
+			S32 count = drawablep->getNumFaces();
+			for (face_id = 0; face_id < count; face_id++)
+			{
+				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );
+			}
+		}
+	}
+}
+
+void renderScriptedTouchBeacons(LLDrawable* drawablep)
+{
+	LLViewerObject *vobj = drawablep->getVObj();
+	if (vobj 
+		&& !vobj->isAvatar() 
+		&& !vobj->getParent()
+		&& vobj->flagScripted()
+		&& vobj->flagHandleTouch())
+	{
+		if (gPipeline.sRenderBeacons)
+		{
+			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(1.f, 0.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));
+		}
+
+		if (gPipeline.sRenderHighlight)
+		{
+			S32 face_id;
+			S32 count = drawablep->getNumFaces();
+			for (face_id = 0; face_id < count; face_id++)
+			{
+				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );
+			}
+		}
+	}
+}
+
+void renderPhysicalBeacons(LLDrawable* drawablep)
+{
+	LLViewerObject *vobj = drawablep->getVObj();
+	if (vobj 
+		&& !vobj->isAvatar() 
+		//&& !vobj->getParent()
+		&& vobj->usePhysics())
+	{
+		if (gPipeline.sRenderBeacons)
+		{
+			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", LLColor4(0.f, 1.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));
+		}
+
+		if (gPipeline.sRenderHighlight)
+		{
+			S32 face_id;
+			S32 count = drawablep->getNumFaces();
+			for (face_id = 0; face_id < count; face_id++)
+			{
+				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );
+			}
+		}
+	}
+}
+
+void renderParticleBeacons(LLDrawable* drawablep)
+{
+	// Look for attachments, objects, etc.
+	LLViewerObject *vobj = drawablep->getVObj();
+	if (vobj 
+		&& vobj->isParticleSource())
+	{
+		if (gPipeline.sRenderBeacons)
+		{
+			LLColor4 light_blue(0.5f, 0.5f, 1.f, 0.5f);
+			gObjectList.addDebugBeacon(vobj->getPositionAgent(), "", light_blue, LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));
+		}
+
+		if (gPipeline.sRenderHighlight)
+		{
+			S32 face_id;
+			S32 count = drawablep->getNumFaces();
+			for (face_id = 0; face_id < count; face_id++)
+			{
+				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );
+			}
+		}
+	}
+}
+
+void renderSoundHighlights(LLDrawable* drawablep)
+{
+	// Look for attachments, objects, etc.
+	LLViewerObject *vobj = drawablep->getVObj();
+	if (vobj && vobj->isAudioSource())
+	{
+		if (gPipeline.sRenderHighlight)
+		{
+			S32 face_id;
+			S32 count = drawablep->getNumFaces();
+			for (face_id = 0; face_id < count; face_id++)
+			{
+				gPipeline.mHighlightFaces.push_back(drawablep->getFace(face_id) );
+			}
+		}
+	}
+}
+
+void LLPipeline::postSort(LLCamera& camera)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_POST_SORT);
+	LLFastTimer ftm(FTM_STATESORT_POSTSORT);
+
+	assertInitialized();
+
+	llpushcallstacks ;
+	//rebuild drawable geometry
+	for (LLCullResult::sg_list_t::iterator i = sCull->beginDrawableGroups(); i != sCull->endDrawableGroups(); ++i)
+	{
+		LLSpatialGroup* group = *i;
+		if (!sUseOcclusion || 
+			!group->isOcclusionState(LLSpatialGroup::OCCLUDED))
+		{
+			group->rebuildGeom();
+		}
+	}
+	llpushcallstacks ;
+	//rebuild groups
+	sCull->assertDrawMapsEmpty();
+
+	rebuildPriorityGroups();
+	llpushcallstacks ;
+
+	const S32 bin_count = 1024*8;
+		
+	static LLCullResult::drawinfo_list_t alpha_bins[bin_count];
+	static U32 bin_size[bin_count];
+
+	//clear one bin per frame to avoid memory bloat
+	static S32 clear_idx = 0;
+	clear_idx = (1+clear_idx)%bin_count;
+	alpha_bins[clear_idx].clear();
+
+	for (U32 j = 0; j < bin_count; j++)
+	{
+		bin_size[j] = 0;
+	}
+
+	//build render map
+	for (LLCullResult::sg_list_t::iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
+	{
+		LLSpatialGroup* group = *i;
+		if (sUseOcclusion && 
+			group->isOcclusionState(LLSpatialGroup::OCCLUDED))
+		{
+			continue;
+		}
+
+		if (group->isState(LLSpatialGroup::NEW_DRAWINFO) && group->isState(LLSpatialGroup::GEOM_DIRTY))
+		{ //no way this group is going to be drawable without a rebuild
+			group->rebuildGeom();
+		}
+
+		for (LLSpatialGroup::draw_map_t::iterator j = group->mDrawMap.begin(); j != group->mDrawMap.end(); ++j)
+		{
+			LLSpatialGroup::drawmap_elem_t& src_vec = j->second;	
+			if (!hasRenderType(j->first))
+			{
+				continue;
+			}
+			
+			for (LLSpatialGroup::drawmap_elem_t::iterator k = src_vec.begin(); k != src_vec.end(); ++k)
+			{
+				if (sMinRenderSize > 0.f)
+				{
+					LLVector4a bounds;
+					bounds.setSub((*k)->mExtents[1],(*k)->mExtents[0]);
+
+					if (llmax(llmax(bounds[0], bounds[1]), bounds[2]) > sMinRenderSize)
+					{
+						sCull->pushDrawInfo(j->first, *k);
+					}
+				}
+				else
+				{
+					sCull->pushDrawInfo(j->first, *k);
+				}
+			}
+		}
+
+		if (hasRenderType(LLPipeline::RENDER_TYPE_PASS_ALPHA))
+		{
+			LLSpatialGroup::draw_map_t::iterator alpha = group->mDrawMap.find(LLRenderPass::PASS_ALPHA);
+			
+			if (alpha != group->mDrawMap.end())
+			{ //store alpha groups for sorting
+				LLSpatialBridge* bridge = group->mSpatialPartition->asBridge();
+				if (LLViewerCamera::sCurCameraID == LLViewerCamera::CAMERA_WORLD)
+				{
+					if (bridge)
+					{
+						LLCamera trans_camera = bridge->transformCamera(camera);
+						group->updateDistance(trans_camera);
+					}
+					else
+					{
+						group->updateDistance(camera);
+					}
+				}
+							
+				if (hasRenderType(LLDrawPool::POOL_ALPHA))
+				{
+					sCull->pushAlphaGroup(group);
+				}
+			}
+		}
+	}
+		
+	if (!sShadowRender)
+	{
+		//sort by texture or bump map
+		for (U32 i = 0; i < LLRenderPass::NUM_RENDER_TYPES; ++i)
+		{
+			if (i == LLRenderPass::PASS_BUMP)
+			{
+				std::sort(sCull->beginRenderMap(i), sCull->endRenderMap(i), LLDrawInfo::CompareBump());
+			}
+			else 
+			{
+				std::sort(sCull->beginRenderMap(i), sCull->endRenderMap(i), LLDrawInfo::CompareTexturePtrMatrix());
+			}	
+		}
+
+		std::sort(sCull->beginAlphaGroups(), sCull->endAlphaGroups(), LLSpatialGroup::CompareDepthGreater());
+	}
+	llpushcallstacks ;
+	// only render if the flag is set. The flag is only set if we are in edit mode or the toggle is set in the menus
+	if (LLFloaterReg::instanceVisible("beacons") && !sShadowRender)
+	{
+		if (sRenderScriptedTouchBeacons)
+		{
+			// Only show the beacon on the root object.
+			forAllVisibleDrawables(renderScriptedTouchBeacons);
+		}
+		else
+		if (sRenderScriptedBeacons)
+		{
+			// Only show the beacon on the root object.
+			forAllVisibleDrawables(renderScriptedBeacons);
+		}
+
+		if (sRenderPhysicalBeacons)
+		{
+			// Only show the beacon on the root object.
+			forAllVisibleDrawables(renderPhysicalBeacons);
+		}
+
+		if (sRenderParticleBeacons)
+		{
+			forAllVisibleDrawables(renderParticleBeacons);
+		}
+
+		// If god mode, also show audio cues
+		if (sRenderSoundBeacons && gAudiop)
+		{
+			// Walk all sound sources and render out beacons for them. Note, this isn't done in the ForAllVisibleDrawables function, because some are not visible.
+			LLAudioEngine::source_map::iterator iter;
+			for (iter = gAudiop->mAllSources.begin(); iter != gAudiop->mAllSources.end(); ++iter)
+			{
+				LLAudioSource *sourcep = iter->second;
+
+				LLVector3d pos_global = sourcep->getPositionGlobal();
+				LLVector3 pos = gAgent.getPosAgentFromGlobal(pos_global);
+				if (gPipeline.sRenderBeacons)
+				{
+					//pos += LLVector3(0.f, 0.f, 0.2f);
+					gObjectList.addDebugBeacon(pos, "", LLColor4(1.f, 1.f, 0.f, 0.5f), LLColor4(1.f, 1.f, 1.f, 0.5f), gSavedSettings.getS32("DebugBeaconLineWidth"));
+				}
+			}
+			// now deal with highlights for all those seeable sound sources
+			forAllVisibleDrawables(renderSoundHighlights);
+		}
+	}
+	llpushcallstacks ;
+	// If managing your telehub, draw beacons at telehub and currently selected spawnpoint.
+	if (LLFloaterTelehub::renderBeacons())
+	{
+		LLFloaterTelehub::addBeacons();
+	}
+
+	if (!sShadowRender)
+	{
+		mSelectedFaces.clear();
+		
+		// Draw face highlights for selected faces.
+		if (LLSelectMgr::getInstance()->getTEMode())
+		{
+			struct f : public LLSelectedTEFunctor
+			{
+				virtual bool apply(LLViewerObject* object, S32 te)
+				{
+					if (object->mDrawable)
+					{
+						gPipeline.mSelectedFaces.push_back(object->mDrawable->getFace(te));
+					}
+					return true;
+				}
+			} func;
+			LLSelectMgr::getInstance()->getSelection()->applyToTEs(&func);
+		}
+	}
+
+	//LLSpatialGroup::sNoDelete = FALSE;
+	llpushcallstacks ;
+}
+
+
+void render_hud_elements()
+{
+	LLMemType mt_rhe(LLMemType::MTYPE_PIPELINE_RENDER_HUD_ELS);
+	LLFastTimer t(FTM_RENDER_UI);
+	gPipeline.disableLights();		
+	
+	LLGLDisable fog(GL_FOG);
+	LLGLSUIDefault gls_ui;
+
+	LLGLEnable stencil(GL_STENCIL_TEST);
+	glStencilFunc(GL_ALWAYS, 255, 0xFFFFFFFF);
+	glStencilMask(0xFFFFFFFF);
+	glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+	
+	gGL.color4f(1,1,1,1);
+	if (!LLPipeline::sReflectionRender && gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
+	{
+		LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);
+		gViewerWindow->renderSelections(FALSE, FALSE, FALSE); // For HUD version in render_ui_3d()
+	
+		// Draw the tracking overlays
+		LLTracker::render3D();
+		
+		// Show the property lines
+		LLWorld::getInstance()->renderPropertyLines();
+		LLViewerParcelMgr::getInstance()->render();
+		LLViewerParcelMgr::getInstance()->renderParcelCollision();
+	
+		// Render name tags.
+		LLHUDObject::renderAll();
+	}
+	else if (gForceRenderLandFence)
+	{
+		// This is only set when not rendering the UI, for parcel snapshots
+		LLViewerParcelMgr::getInstance()->render();
+	}
+	else if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
+	{
+		LLHUDText::renderAllHUD();
+	}
+	gGL.flush();
+}
+
+void LLPipeline::renderHighlights()
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_RENDER_HL);
+
+	assertInitialized();
+
+	// Draw 3D UI elements here (before we clear the Z buffer in POOL_HUD)
+	// Render highlighted faces.
+	LLGLSPipelineAlpha gls_pipeline_alpha;
+	LLColor4 color(1.f, 1.f, 1.f, 0.5f);
+	LLGLEnable color_mat(GL_COLOR_MATERIAL);
+	disableLights();
+
+	if (!hasRenderType(LLPipeline::RENDER_TYPE_HUD) && !mHighlightSet.empty())
+	{ //draw blurry highlight image over screen
+		LLGLEnable blend(GL_BLEND);
+		LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
+		LLGLDisable test(GL_ALPHA_TEST);
+
+		LLGLEnable stencil(GL_STENCIL_TEST);
+		gGL.flush();
+		glStencilMask(0xFFFFFFFF);
+		glClearStencil(1);
+		glClear(GL_STENCIL_BUFFER_BIT);
+
+		glStencilFunc(GL_ALWAYS, 0, 0xFFFFFFFF);
+		glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
+				
+		gGL.setColorMask(false, false);
+		for (std::set<HighlightItem>::iterator iter = mHighlightSet.begin(); iter != mHighlightSet.end(); ++iter)
+		{
+			renderHighlight(iter->mItem->getVObj(), 1.f);
+		}
+		gGL.setColorMask(true, false);
+
+		glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+		glStencilFunc(GL_NOTEQUAL, 0, 0xFFFFFFFF);
+		
+		//gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);
+
+		gGL.pushMatrix();
+		glLoadIdentity();
+		glMatrixMode(GL_PROJECTION);
+		gGL.pushMatrix();
+		glLoadIdentity();
+
+		gGL.getTexUnit(0)->bind(&mHighlight);
+
+		LLVector2 tc1;
+		LLVector2 tc2;
+
+		tc1.setVec(0,0);
+		tc2.setVec(2,2);
+
+		gGL.begin(LLRender::TRIANGLES);
+				
+		F32 scale = gSavedSettings.getF32("RenderHighlightBrightness");
+		LLColor4 color = gSavedSettings.getColor4("RenderHighlightColor");
+		F32 thickness = gSavedSettings.getF32("RenderHighlightThickness");
+
+		for (S32 pass = 0; pass < 2; ++pass)
+		{
+			if (pass == 0)
+			{
+				gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);
+			}
+			else
+			{
+				gGL.setSceneBlendType(LLRender::BT_ALPHA);
+			}
+
+			for (S32 i = 0; i < 8; ++i)
+			{
+				for (S32 j = 0; j < 8; ++j)
+				{
+					LLVector2 tc(i-4+0.5f, j-4+0.5f);
+
+					F32 dist = 1.f-(tc.length()/sqrtf(32.f));
+					dist *= scale/64.f;
+
+					tc *= thickness;
+					tc.mV[0] = (tc.mV[0])/mHighlight.getWidth();
+					tc.mV[1] = (tc.mV[1])/mHighlight.getHeight();
+
+					gGL.color4f(color.mV[0],
+								color.mV[1],
+								color.mV[2],
+								color.mV[3]*dist);
+					
+					gGL.texCoord2f(tc.mV[0]+tc1.mV[0], tc.mV[1]+tc2.mV[1]);
+					gGL.vertex2f(-1,3);
+					
+					gGL.texCoord2f(tc.mV[0]+tc1.mV[0], tc.mV[1]+tc1.mV[1]);
+					gGL.vertex2f(-1,-1);
+					
+					gGL.texCoord2f(tc.mV[0]+tc2.mV[0], tc.mV[1]+tc1.mV[1]);
+					gGL.vertex2f(3,-1);
+				}
+			}
+		}
+
+		gGL.end();
+
+		gGL.popMatrix();
+		glMatrixMode(GL_MODELVIEW);
+		gGL.popMatrix();
+		
+		//gGL.setSceneBlendType(LLRender::BT_ALPHA);
+	}
+
+	if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
+	{
+		gHighlightProgram.bind();
+		gHighlightProgram.vertexAttrib4f(LLViewerShaderMgr::MATERIAL_COLOR,1,1,1,0.5f);
+	}
+	
+	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED))
+	{
+		// Make sure the selection image gets downloaded and decoded
+		if (!mFaceSelectImagep)
+		{
+			mFaceSelectImagep = LLViewerTextureManager::getFetchedTexture(IMG_FACE_SELECT);
+		}
+		mFaceSelectImagep->addTextureStats((F32)MAX_IMAGE_AREA);
+
+		U32 count = mSelectedFaces.size();
+		for (U32 i = 0; i < count; i++)
+		{
+			LLFace *facep = mSelectedFaces[i];
+			if (!facep || facep->getDrawable()->isDead())
+			{
+				llerrs << "Bad face on selection" << llendl;
+				return;
+			}
+			
+			facep->renderSelected(mFaceSelectImagep, color);
+		}
+	}
+
+	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED))
+	{
+		// Paint 'em red!
+		color.setVec(1.f, 0.f, 0.f, 0.5f);
+		if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
+		{
+			gHighlightProgram.vertexAttrib4f(LLViewerShaderMgr::MATERIAL_COLOR,1,0,0,0.5f);
+		}
+		int count = mHighlightFaces.size();
+		for (S32 i = 0; i < count; i++)
+		{
+			LLFace* facep = mHighlightFaces[i];
+			facep->renderSelected(LLViewerTexture::sNullImagep, color);
+		}
+	}
+
+	// Contains a list of the faces of objects that are physical or
+	// have touch-handlers.
+	mHighlightFaces.clear();
+
+	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0)
+	{
+		gHighlightProgram.unbind();
+	}
+}
+
+//debug use
+U32 LLPipeline::sCurRenderPoolType = 0 ;
+
+void LLPipeline::renderGeom(LLCamera& camera, BOOL forceVBOUpdate)
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_RENDER_GEOM);
+	LLFastTimer t(FTM_RENDER_GEOMETRY);
+
+	assertInitialized();
+
+	F64 saved_modelview[16];
+	F64 saved_projection[16];
+
+	//HACK: preserve/restore matrices around HUD render
+	if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
+	{
+		for (U32 i = 0; i < 16; i++)
+		{
+			saved_modelview[i] = gGLModelView[i];
+			saved_projection[i] = gGLProjection[i];
+		}
+	}
+
+	S32 stack_depth = 0;
+
+	if (gDebugGL)
+	{
+		glGetIntegerv(GL_MODELVIEW_STACK_DEPTH, &stack_depth);
+	}
+
+	///////////////////////////////////////////
+	//
+	// Sync and verify GL state
+	//
+	//
+
+	stop_glerror();
+
+	LLVertexBuffer::unbind();
+
+	// Do verification of GL state
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+	LLGLState::checkClientArrays();
+	if (mRenderDebugMask & RENDER_DEBUG_VERIFY)
+	{
+		if (!verify())
+		{
+			llerrs << "Pipeline verification failed!" << llendl;
+		}
+	}
+
+	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:ForceVBO");
+	
+	// Initialize lots of GL state to "safe" values
+	glMatrixMode(GL_TEXTURE);
+	glLoadIdentity();
+	glMatrixMode(GL_MODELVIEW);
+
+	LLGLSPipeline gls_pipeline;
+	LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);
+
+	LLGLState gls_color_material(GL_COLOR_MATERIAL, mLightingDetail < 2);
+				
+	// Toggle backface culling for debugging
+	LLGLEnable cull_face(mBackfaceCull ? GL_CULL_FACE : 0);
+	// Set fog
+	BOOL use_fog = hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FOG);
+	LLGLEnable fog_enable(use_fog &&
+						  !gPipeline.canUseWindLightShadersOnObjects() ? GL_FOG : 0);
+	gSky.updateFog(camera.getFar());
+	if (!use_fog)
+	{
+		sUnderWaterRender = FALSE;
+	}
+
+	gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sDefaultImagep);
+	LLViewerFetchedTexture::sDefaultImagep->setAddressMode(LLTexUnit::TAM_WRAP);
+	
+	//////////////////////////////////////////////
+	//
+	// Actually render all of the geometry
+	//
+	//	
+	stop_glerror();
+	
+	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderDrawPools");
+
+	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
+	{
+		LLDrawPool *poolp = *iter;
+		if (hasRenderType(poolp->getType()))
+		{
+			poolp->prerender();
+		}
+	}
+
+	{
+		LLFastTimer t(FTM_POOLS);
+		
+		// HACK: don't calculate local lights if we're rendering the HUD!
+		//    Removing this check will cause bad flickering when there are 
+		//    HUD elements being rendered AND the user is in flycam mode  -nyx
+		if (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
+		{
+			calcNearbyLights(camera);
+			setupHWLights(NULL);
+		}
+
+		BOOL occlude = sUseOcclusion > 1;
+		U32 cur_type = 0;
+
+		pool_set_t::iterator iter1 = mPools.begin();
+		while ( iter1 != mPools.end() )
+		{
+			LLDrawPool *poolp = *iter1;
+			
+			cur_type = poolp->getType();
+
+			//debug use
+			sCurRenderPoolType = cur_type ;
+
+			if (occlude && cur_type >= LLDrawPool::POOL_GRASS)
+			{
+				occlude = FALSE;
+				gGLLastMatrix = NULL;
+				glLoadMatrixd(gGLModelView);
+				doOcclusion(camera);
+			}
+
+			pool_set_t::iterator iter2 = iter1;
+			if (hasRenderType(poolp->getType()) && poolp->getNumPasses() > 0)
+			{
+				LLFastTimer t(FTM_POOLRENDER);
+
+				gGLLastMatrix = NULL;
+				glLoadMatrixd(gGLModelView);
+			
+				for( S32 i = 0; i < poolp->getNumPasses(); i++ )
+				{
+					LLVertexBuffer::unbind();
+					poolp->beginRenderPass(i);
+					for (iter2 = iter1; iter2 != mPools.end(); iter2++)
+					{
+						LLDrawPool *p = *iter2;
+						if (p->getType() != cur_type)
+						{
+							break;
+						}
+						
+						p->render(i);
+					}
+					poolp->endRenderPass(i);
+					LLVertexBuffer::unbind();
+					if (gDebugGL)
+					{
+						check_stack_depth(stack_depth);
+						std::string msg = llformat("%s pass %d", gPoolNames[cur_type].c_str(), i);
+						LLGLState::checkStates(msg);
+						LLGLState::checkTextureChannels(msg);
+						LLGLState::checkClientArrays(msg);
+					}
+				}
+			}
+			else
+			{
+				// Skip all pools of this type
+				for (iter2 = iter1; iter2 != mPools.end(); iter2++)
+				{
+					LLDrawPool *p = *iter2;
+					if (p->getType() != cur_type)
+					{
+						break;
+					}
+				}
+			}
+			iter1 = iter2;
+			stop_glerror();
+		}
+		
+		LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderDrawPoolsEnd");
+
+		LLVertexBuffer::unbind();
+			
+		gGLLastMatrix = NULL;
+		glLoadMatrixd(gGLModelView);
+
+		if (occlude)
+		{
+			occlude = FALSE;
+			gGLLastMatrix = NULL;
+			glLoadMatrixd(gGLModelView);
+			doOcclusion(camera);
+		}
+	}
+
+	LLVertexBuffer::unbind();
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+	LLGLState::checkClientArrays();
+
+	
+
+	stop_glerror();
+		
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+	LLGLState::checkClientArrays();
+
+	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderHighlights");
+
+	if (!sReflectionRender)
+	{
+		renderHighlights();
+	}
+
+	// Contains a list of the faces of objects that are physical or
+	// have touch-handlers.
+	mHighlightFaces.clear();
+
+	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderDebug");
+	
+	renderDebug();
+
+	LLVertexBuffer::unbind();
+	
+	if (!LLPipeline::sReflectionRender && !LLPipeline::sRenderDeferred)
+	{
+		if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
+		{
+			// Render debugging beacons.
+			gObjectList.renderObjectBeacons();
+			gObjectList.resetObjectBeacons();
+		}
+		else
+		{
+			// Make sure particle effects disappear
+			LLHUDObject::renderAllForTimer();
+		}
+	}
+	else
+	{
+		// Make sure particle effects disappear
+		LLHUDObject::renderAllForTimer();
+	}
+
+	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderGeomEnd");
+
+	//HACK: preserve/restore matrices around HUD render
+	if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
+	{
+		for (U32 i = 0; i < 16; i++)
+		{
+			gGLModelView[i] = saved_modelview[i];
+			gGLProjection[i] = saved_projection[i];
+		}
+	}
+
+	LLVertexBuffer::unbind();
+
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+	LLGLState::checkClientArrays();
+}
+
+void LLPipeline::renderGeomDeferred(LLCamera& camera)
+{
+	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderGeomDeferred");
+
+	LLMemType mt_rgd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED);
+	LLFastTimer t(FTM_RENDER_GEOMETRY);
+
+	LLFastTimer t2(FTM_POOLS);
+
+	LLGLEnable cull(GL_CULL_FACE);
+
+	LLGLEnable stencil(GL_STENCIL_TEST);
+	glStencilFunc(GL_ALWAYS, 1, 0xFFFFFFFF);
+	stop_glerror();
+	glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+	stop_glerror();
+
+	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
+	{
+		LLDrawPool *poolp = *iter;
+		if (hasRenderType(poolp->getType()))
+		{
+			poolp->prerender();
+		}
+	}
+
+	LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);
+
+	LLVertexBuffer::unbind();
+
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+	LLGLState::checkClientArrays();
+
+	U32 cur_type = 0;
+
+	gGL.setColorMask(true, true);
+	
+	pool_set_t::iterator iter1 = mPools.begin();
+
+	while ( iter1 != mPools.end() )
+	{
+		LLDrawPool *poolp = *iter1;
+		
+		cur_type = poolp->getType();
+
+		pool_set_t::iterator iter2 = iter1;
+		if (hasRenderType(poolp->getType()) && poolp->getNumDeferredPasses() > 0)
+		{
+			LLFastTimer t(FTM_POOLRENDER);
+
+			gGLLastMatrix = NULL;
+			glLoadMatrixd(gGLModelView);
+		
+			for( S32 i = 0; i < poolp->getNumDeferredPasses(); i++ )
+			{
+				LLVertexBuffer::unbind();
+				poolp->beginDeferredPass(i);
+				for (iter2 = iter1; iter2 != mPools.end(); iter2++)
+				{
+					LLDrawPool *p = *iter2;
+					if (p->getType() != cur_type)
+					{
+						break;
+					}
+										
+					p->renderDeferred(i);
+				}
+				poolp->endDeferredPass(i);
+				LLVertexBuffer::unbind();
+
+				if (gDebugGL || gDebugPipeline)
+				{
+					GLint depth;
+					glGetIntegerv(GL_MODELVIEW_STACK_DEPTH, &depth);
+					if (depth > 3)
+					{
+						llerrs << "GL matrix stack corrupted!" << llendl;
+					}
+					LLGLState::checkStates();
+					LLGLState::checkTextureChannels();
+					LLGLState::checkClientArrays();
+				}
+			}
+		}
+		else
+		{
+			// Skip all pools of this type
+			for (iter2 = iter1; iter2 != mPools.end(); iter2++)
+			{
+				LLDrawPool *p = *iter2;
+				if (p->getType() != cur_type)
+				{
+					break;
+				}
+			}
+		}
+		iter1 = iter2;
+		stop_glerror();
+	}
+
+	gGLLastMatrix = NULL;
+	glLoadMatrixd(gGLModelView);
+
+	gGL.setColorMask(true, false);
+}
+
+void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
+{
+	LLMemType mt_rgpd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_POST_DEF);
+	LLFastTimer t(FTM_POOLS);
+	U32 cur_type = 0;
+
+	LLGLEnable cull(GL_CULL_FACE);
+
+	LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);
+
+	calcNearbyLights(camera);
+	setupHWLights(NULL);
+
+	gGL.setColorMask(true, false);
+
+	pool_set_t::iterator iter1 = mPools.begin();
+	BOOL occlude = LLPipeline::sUseOcclusion > 1;
+
+	while ( iter1 != mPools.end() )
+	{
+		LLDrawPool *poolp = *iter1;
+		
+		cur_type = poolp->getType();
+
+		if (occlude && cur_type >= LLDrawPool::POOL_GRASS)
+		{
+			occlude = FALSE;
+			gGLLastMatrix = NULL;
+			glLoadMatrixd(gGLModelView);
+			doOcclusion(camera);
+			gGL.setColorMask(true, false);
+		}
+
+		pool_set_t::iterator iter2 = iter1;
+		if (hasRenderType(poolp->getType()) && poolp->getNumPostDeferredPasses() > 0)
+		{
+			LLFastTimer t(FTM_POOLRENDER);
+
+			gGLLastMatrix = NULL;
+			glLoadMatrixd(gGLModelView);
+		
+			for( S32 i = 0; i < poolp->getNumPostDeferredPasses(); i++ )
+			{
+				LLVertexBuffer::unbind();
+				poolp->beginPostDeferredPass(i);
+				for (iter2 = iter1; iter2 != mPools.end(); iter2++)
+				{
+					LLDrawPool *p = *iter2;
+					if (p->getType() != cur_type)
+					{
+						break;
+					}
+										
+					p->renderPostDeferred(i);
+				}
+				poolp->endPostDeferredPass(i);
+				LLVertexBuffer::unbind();
+
+				if (gDebugGL || gDebugPipeline)
+				{
+					GLint depth;
+					glGetIntegerv(GL_MODELVIEW_STACK_DEPTH, &depth);
+					if (depth > 3)
+					{
+						llerrs << "GL matrix stack corrupted!" << llendl;
+					}
+					LLGLState::checkStates();
+					LLGLState::checkTextureChannels();
+					LLGLState::checkClientArrays();
+				}
+			}
+		}
+		else
+		{
+			// Skip all pools of this type
+			for (iter2 = iter1; iter2 != mPools.end(); iter2++)
+			{
+				LLDrawPool *p = *iter2;
+				if (p->getType() != cur_type)
+				{
+					break;
+				}
+			}
+		}
+		iter1 = iter2;
+		stop_glerror();
+	}
+
+	gGLLastMatrix = NULL;
+	glLoadMatrixd(gGLModelView);
+
+	if (occlude)
+	{
+		occlude = FALSE;
+		gGLLastMatrix = NULL;
+		glLoadMatrixd(gGLModelView);
+		doOcclusion(camera);
+		gGLLastMatrix = NULL;
+		glLoadMatrixd(gGLModelView);
+	}
+}
+
+void LLPipeline::renderGeomShadow(LLCamera& camera)
+{
+	LLMemType mt_rgs(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_SHADOW);
+	U32 cur_type = 0;
+	
+	LLGLEnable cull(GL_CULL_FACE);
+
+	LLVertexBuffer::unbind();
+
+	pool_set_t::iterator iter1 = mPools.begin();
+	
+	while ( iter1 != mPools.end() )
+	{
+		LLDrawPool *poolp = *iter1;
+		
+		cur_type = poolp->getType();
+
+		pool_set_t::iterator iter2 = iter1;
+		if (hasRenderType(poolp->getType()) && poolp->getNumShadowPasses() > 0)
+		{
+			gGLLastMatrix = NULL;
+			glLoadMatrixd(gGLModelView);
+		
+			for( S32 i = 0; i < poolp->getNumShadowPasses(); i++ )
+			{
+				LLVertexBuffer::unbind();
+				poolp->beginShadowPass(i);
+				for (iter2 = iter1; iter2 != mPools.end(); iter2++)
+				{
+					LLDrawPool *p = *iter2;
+					if (p->getType() != cur_type)
+					{
+						break;
+					}
+										
+					p->renderShadow(i);
+				}
+				poolp->endShadowPass(i);
+				LLVertexBuffer::unbind();
+
+				LLGLState::checkStates();
+				LLGLState::checkTextureChannels();
+				LLGLState::checkClientArrays();
+			}
+		}
+		else
+		{
+			// Skip all pools of this type
+			for (iter2 = iter1; iter2 != mPools.end(); iter2++)
+			{
+				LLDrawPool *p = *iter2;
+				if (p->getType() != cur_type)
+				{
+					break;
+				}
+			}
+		}
+		iter1 = iter2;
+		stop_glerror();
+	}
+
+	gGLLastMatrix = NULL;
+	glLoadMatrixd(gGLModelView);
+}
+
+
+void LLPipeline::addTrianglesDrawn(S32 index_count, U32 render_type)
+{
+	assertInitialized();
+	S32 count = 0;
+	if (render_type == LLRender::TRIANGLE_STRIP)
+	{
+		count = index_count-2;
+	}
+	else
+	{
+		count = index_count/3;
+	}
+
+	mTrianglesDrawn += count;
+	mBatchCount++;
+	mMaxBatchSize = llmax(mMaxBatchSize, count);
+	mMinBatchSize = llmin(mMinBatchSize, count);
+
+	if (LLPipeline::sRenderFrameTest)
+	{
+		gViewerWindow->getWindow()->swapBuffers();
+		ms_sleep(16);
+	}
+}
+
+void LLPipeline::renderPhysicsDisplay()
+{
+	if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))
+	{
+		return;
+	}
+
+	allocatePhysicsBuffer();
+
+	gGL.flush();
+	mPhysicsDisplay.bindTarget();
+	glClearColor(0,0,0,1);
+	gGL.setColorMask(true, true);
+	mPhysicsDisplay.clear();
+	glClearColor(0,0,0,0);
+
+	gGL.setColorMask(true, false);
+
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				if (hasRenderType(part->mDrawableType))
+				{
+					part->renderPhysicsShapes();
+				}
+			}
+		}
+	}
+
+	for (LLCullResult::bridge_list_t::const_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
+	{
+		LLSpatialBridge* bridge = *i;
+		if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))
+		{
+			glPushMatrix();
+			glMultMatrixf((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);
+			bridge->renderPhysicsShapes();
+			glPopMatrix();
+		}
+	}
+
+
+	gGL.flush();
+	mPhysicsDisplay.flush();
+}
+
+
+void LLPipeline::renderDebug()
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE);
+
+	assertInitialized();
+
+	gGL.color4f(1,1,1,1);
+
+	gGLLastMatrix = NULL;
+	glLoadMatrixd(gGLModelView);
+	gGL.setColorMask(true, false);
+
+	// Debug stuff.
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				if (hasRenderType(part->mDrawableType))
+				{
+					part->renderDebug();
+				}
+			}
+		}
+	}
+
+	for (LLCullResult::bridge_list_t::const_iterator i = sCull->beginVisibleBridge(); i != sCull->endVisibleBridge(); ++i)
+	{
+		LLSpatialBridge* bridge = *i;
+		if (!bridge->isDead() && hasRenderType(bridge->mDrawableType))
+		{
+			glPushMatrix();
+			glMultMatrixf((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);
+			bridge->renderDebug();
+			glPopMatrix();
+		}
+	}
+
+	if (gSavedSettings.getBOOL("DebugShowUploadCost"))
+	{
+		std::set<LLUUID> textures;
+		std::set<LLUUID> sculpts;
+		std::set<LLUUID> meshes;
+		
+		BOOL selected = TRUE;
+		if (LLSelectMgr::getInstance()->getSelection()->isEmpty())
+		{
+			selected = FALSE;
+		}
+			
+		for (LLCullResult::sg_list_t::iterator iter = sCull->beginVisibleGroups(); iter != sCull->endVisibleGroups(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			LLSpatialGroup::OctreeNode* node = group->mOctreeNode;
+			for (LLSpatialGroup::OctreeNode::element_iter elem = node->getData().begin(); elem != node->getData().end(); ++elem)
+			{
+				LLDrawable* drawable = *elem;
+				LLVOVolume* volume = drawable->getVOVolume();
+				if (volume && volume->isSelected() == selected)
+				{
+					for (U32 i = 0; i < volume->getNumTEs(); ++i)
+					{
+						LLTextureEntry* te = volume->getTE(i);
+						textures.insert(te->getID());
+					}
+
+					if (volume->isSculpted())
+					{
+						LLUUID sculpt_id = volume->getVolume()->getParams().getSculptID();
+						if (volume->isMesh())
+						{
+							meshes.insert(sculpt_id);
+						}
+						else
+						{
+							sculpts.insert(sculpt_id);
+						}
+					}
+				}
+			}
+		}
+
+		gPipeline.mDebugTextureUploadCost = textures.size() * 10;
+		gPipeline.mDebugSculptUploadCost = sculpts.size()*10;
+		
+		U32 mesh_cost = 0;
+
+		for (std::set<LLUUID>::iterator iter = meshes.begin(); iter != meshes.end(); ++iter)
+		{
+			mesh_cost += gMeshRepo.getResourceCost(*iter)*10;
+		}
+
+		gPipeline.mDebugMeshUploadCost = mesh_cost;
+	}
+
+	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))
+	{
+		LLVertexBuffer::unbind();
+
+		LLGLEnable blend(GL_BLEND);
+		LLGLDepthTest depth(TRUE, FALSE);
+		LLGLDisable cull(GL_CULL_FACE);
+
+		gGL.color4f(1,1,1,1);
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+				
+		F32 a = 0.1f;
+
+		F32 col[] =
+		{
+			1,0,0,a,
+			0,1,0,a,
+			0,0,1,a,
+			1,0,1,a,
+			
+			1,1,0,a,
+			0,1,1,a,
+			1,1,1,a,
+			1,0,1,a,
+		};
+
+		for (U32 i = 0; i < 8; i++)
+		{
+			LLVector3* frust = mShadowCamera[i].mAgentFrustum;
+
+			if (i > 3)
+			{ //render shadow frusta as volumes
+				if (mShadowFrustPoints[i-4].empty())
+			{
+					continue;
+				}
+
+				gGL.color4fv(col+(i-4)*4);	
+			
+				gGL.begin(LLRender::TRIANGLE_STRIP);
+				gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);
+				gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);
+				gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);
+				gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);
+				gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);
+				gGL.end();
+				
+				
+				gGL.begin(LLRender::TRIANGLE_STRIP);
+				gGL.vertex3fv(frust[0].mV);
+				gGL.vertex3fv(frust[1].mV);
+				gGL.vertex3fv(frust[3].mV);
+				gGL.vertex3fv(frust[2].mV);
+				gGL.end();
+				
+				gGL.begin(LLRender::TRIANGLE_STRIP);
+				gGL.vertex3fv(frust[4].mV);
+				gGL.vertex3fv(frust[5].mV);
+				gGL.vertex3fv(frust[7].mV);
+				gGL.vertex3fv(frust[6].mV);
+				gGL.end();		
+			}
+
+	
+			if (i < 4)
+			{
+				
+				//if (i == 0 || !mShadowFrustPoints[i].empty())
+				{
+					//render visible point cloud
+					gGL.flush();
+					glPointSize(8.f);
+					gGL.begin(LLRender::POINTS);
+					
+					F32* c = col+i*4;
+					gGL.color3fv(c);
+
+					for (U32 j = 0; j < mShadowFrustPoints[i].size(); ++j)
+						{
+							gGL.vertex3fv(mShadowFrustPoints[i][j].mV);
+						
+						}
+					gGL.end();
+
+					gGL.flush();
+					glPointSize(1.f);
+
+					LLVector3* ext = mShadowExtents[i]; 
+					LLVector3 pos = (ext[0]+ext[1])*0.5f;
+					LLVector3 size = (ext[1]-ext[0])*0.5f;
+					drawBoxOutline(pos, size);
+
+					//render camera frustum splits as outlines
+					gGL.begin(LLRender::LINES);
+					gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[1].mV);
+					gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[2].mV);
+					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[3].mV);
+					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[0].mV);
+					gGL.vertex3fv(frust[4].mV); gGL.vertex3fv(frust[5].mV);
+					gGL.vertex3fv(frust[5].mV); gGL.vertex3fv(frust[6].mV);
+					gGL.vertex3fv(frust[6].mV); gGL.vertex3fv(frust[7].mV);
+					gGL.vertex3fv(frust[7].mV); gGL.vertex3fv(frust[4].mV);
+					gGL.vertex3fv(frust[0].mV); gGL.vertex3fv(frust[4].mV);
+					gGL.vertex3fv(frust[1].mV); gGL.vertex3fv(frust[5].mV);
+					gGL.vertex3fv(frust[2].mV); gGL.vertex3fv(frust[6].mV);
+					gGL.vertex3fv(frust[3].mV); gGL.vertex3fv(frust[7].mV);
+					gGL.end();
+				}
+			}
+
+			/*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;
+				for (U32 j = 0; j < LLViewerRegion::NUM_PARTITIONS; j++)
+				{
+					LLSpatialPartition* part = region->getSpatialPartition(j);
+					if (part)
+					{
+						if (hasRenderType(part->mDrawableType))
+						{
+							part->renderIntersectingBBoxes(&mShadowCamera[i]);
+						}
+					}
+				}
+			}
+			gGL.flush();
+			glLineWidth(1.f);*/
+		}
+	}
+
+	if (mRenderDebugMask & RENDER_DEBUG_COMPOSITION)
+	{
+		// Debug composition layers
+		F32 x, y;
+
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+		if (gAgent.getRegion())
+		{
+			gGL.begin(LLRender::POINTS);
+			// Draw the composition layer for the region that I'm in.
+			for (x = 0; x <= 260; x++)
+			{
+				for (y = 0; y <= 260; y++)
+				{
+					if ((x > 255) || (y > 255))
+					{
+						gGL.color4f(1.f, 0.f, 0.f, 1.f);
+					}
+					else
+					{
+						gGL.color4f(0.f, 0.f, 1.f, 1.f);
+					}
+					F32 z = gAgent.getRegion()->getCompositionXY((S32)x, (S32)y);
+					z *= 5.f;
+					z += 50.f;
+					gGL.vertex3f(x, y, z);
+				}
+			}
+			gGL.end();
+		}
+	}
+
+	if (mRenderDebugMask & LLPipeline::RENDER_DEBUG_BUILD_QUEUE)
+	{
+		U32 count = 0;
+		U32 size = mGroupQ2.size();
+		LLColor4 col;
+
+		LLVertexBuffer::unbind();
+		LLGLEnable blend(GL_BLEND);
+		gGL.setSceneBlendType(LLRender::BT_ALPHA);
+		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
+		gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep);
+		
+		gGL.pushMatrix();
+		glLoadMatrixd(gGLModelView);
+		gGLLastMatrix = NULL;
+
+		for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ2.begin(); iter != mGroupQ2.end(); ++iter)
+		{
+			LLSpatialGroup* group = *iter;
+			if (group->isDead())
+			{
+				continue;
+			}
+
+			LLSpatialBridge* bridge = group->mSpatialPartition->asBridge();
+
+			if (bridge && (!bridge->mDrawable || bridge->mDrawable->isDead()))
+			{
+				continue;
+			}
+
+			if (bridge)
+			{
+				gGL.pushMatrix();
+				glMultMatrixf((F32*)bridge->mDrawable->getRenderMatrix().mMatrix);
+			}
+
+			F32 alpha = llclamp((F32) (size-count)/size, 0.f, 1.f);
+
+			
+			LLVector2 c(1.f-alpha, alpha);
+			c.normVec();
+
+			
+			++count;
+			col.set(c.mV[0], c.mV[1], 0, alpha*0.5f+0.5f);
+			group->drawObjectBox(col);
+
+			if (bridge)
+			{
+				gGL.popMatrix();
+			}
+		}
+
+		gGL.popMatrix();
+	}
+
+	gGL.flush();
+
+	gPipeline.renderPhysicsDisplay();
+}
+
+void LLPipeline::rebuildPools()
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_REBUILD_POOLS);
+
+	assertInitialized();
+
+	S32 max_count = mPools.size();
+	pool_set_t::iterator iter1 = mPools.upper_bound(mLastRebuildPool);
+	while(max_count > 0 && mPools.size() > 0) // && num_rebuilds < MAX_REBUILDS)
+	{
+		if (iter1 == mPools.end())
+		{
+			iter1 = mPools.begin();
+		}
+		LLDrawPool* poolp = *iter1;
+
+		if (poolp->isDead())
+		{
+			mPools.erase(iter1++);
+			removeFromQuickLookup( poolp );
+			if (poolp == mLastRebuildPool)
+			{
+				mLastRebuildPool = NULL;
+			}
+			delete poolp;
+		}
+		else
+		{
+			mLastRebuildPool = poolp;
+			iter1++;
+		}
+		max_count--;
+	}
+
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->rebuildHUD();
+	}
+}
+
+void LLPipeline::addToQuickLookup( LLDrawPool* new_poolp )
+{
+	LLMemType mt(LLMemType::MTYPE_PIPELINE_QUICK_LOOKUP);
+
+	assertInitialized();
+
+	switch( new_poolp->getType() )
+	{
+	case LLDrawPool::POOL_SIMPLE:
+		if (mSimplePool)
+		{
+			llassert(0);
+			llwarns << "Ignoring duplicate simple pool." << llendl;
+		}
+		else
+		{
+			mSimplePool = (LLRenderPass*) new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_GRASS:
+		if (mGrassPool)
+		{
+			llassert(0);
+			llwarns << "Ignoring duplicate grass pool." << llendl;
+		}
+		else
+		{
+			mGrassPool = (LLRenderPass*) new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_FULLBRIGHT:
+		if (mFullbrightPool)
+		{
+			llassert(0);
+			llwarns << "Ignoring duplicate simple pool." << llendl;
+		}
+		else
+		{
+			mFullbrightPool = (LLRenderPass*) new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_INVISIBLE:
+		if (mInvisiblePool)
+		{
+			llassert(0);
+			llwarns << "Ignoring duplicate simple pool." << llendl;
+		}
+		else
+		{
+			mInvisiblePool = (LLRenderPass*) new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_GLOW:
+		if (mGlowPool)
+		{
+			llassert(0);
+			llwarns << "Ignoring duplicate glow pool." << llendl;
+		}
+		else
+		{
+			mGlowPool = (LLRenderPass*) new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_TREE:
+		mTreePools[ uintptr_t(new_poolp->getTexture()) ] = new_poolp ;
+		break;
+ 
+	case LLDrawPool::POOL_TERRAIN:
+		mTerrainPools[ uintptr_t(new_poolp->getTexture()) ] = new_poolp ;
+		break;
+
+	case LLDrawPool::POOL_BUMP:
+		if (mBumpPool)
+		{
+			llassert(0);
+			llwarns << "Ignoring duplicate bump pool." << llendl;
+		}
+		else
+		{
+			mBumpPool = new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_ALPHA:
+		if( mAlphaPool )
+		{
+			llassert(0);
+			llwarns << "LLPipeline::addPool(): Ignoring duplicate Alpha pool" << llendl;
+		}
+		else
+		{
+			mAlphaPool = new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_AVATAR:
+		break; // Do nothing
+
+	case LLDrawPool::POOL_SKY:
+		if( mSkyPool )
+		{
+			llassert(0);
+			llwarns << "LLPipeline::addPool(): Ignoring duplicate Sky pool" << llendl;
+		}
+		else
+		{
+			mSkyPool = new_poolp;
+		}
+		break;
+	
+	case LLDrawPool::POOL_WATER:
+		if( mWaterPool )
+		{
+			llassert(0);
+			llwarns << "LLPipeline::addPool(): Ignoring duplicate Water pool" << llendl;
+		}
+		else
+		{
+			mWaterPool = new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_GROUND:
+		if( mGroundPool )
+		{
+			llassert(0);
+			llwarns << "LLPipeline::addPool(): Ignoring duplicate Ground Pool" << llendl;
+		}
+		else
+		{ 
+			mGroundPool = new_poolp;
+		}
+		break;
+
+	case LLDrawPool::POOL_WL_SKY:
+		if( mWLSkyPool )
+		{
+			llassert(0);
+			llwarns << "LLPipeline::addPool(): Ignoring duplicate WLSky Pool" << llendl;
+		}
+		else
+		{ 
+			mWLSkyPool = new_poolp;
+		}
+		break;
+
+	default:
+		llassert(0);
+		llwarns << "Invalid Pool Type in  LLPipeline::addPool()" << llendl;
+		break;
+	}
+}
+
+void LLPipeline::removePool( LLDrawPool* poolp )
+{
+	assertInitialized();
+	removeFromQuickLookup(poolp);
+	mPools.erase(poolp);
+	delete poolp;
+}
+
+void LLPipeline::removeFromQuickLookup( LLDrawPool* poolp )
+{
+	assertInitialized();
+	LLMemType mt(LLMemType::MTYPE_PIPELINE);
+	switch( poolp->getType() )
+	{
+	case LLDrawPool::POOL_SIMPLE:
+		llassert(mSimplePool == poolp);
+		mSimplePool = NULL;
+		break;
+
+	case LLDrawPool::POOL_GRASS:
+		llassert(mGrassPool == poolp);
+		mGrassPool = NULL;
+		break;
+
+	case LLDrawPool::POOL_FULLBRIGHT:
+		llassert(mFullbrightPool == poolp);
+		mFullbrightPool = NULL;
+		break;
+
+	case LLDrawPool::POOL_INVISIBLE:
+		llassert(mInvisiblePool == poolp);
+		mInvisiblePool = NULL;
+		break;
+
+	case LLDrawPool::POOL_WL_SKY:
+		llassert(mWLSkyPool == poolp);
+		mWLSkyPool = NULL;
+		break;
+
+	case LLDrawPool::POOL_GLOW:
+		llassert(mGlowPool == poolp);
+		mGlowPool = NULL;
+		break;
+
+	case LLDrawPool::POOL_TREE:
+		#ifdef _DEBUG
+			{
+				BOOL found = mTreePools.erase( (uintptr_t)poolp->getTexture() );
+				llassert( found );
+			}
+		#else
+			mTreePools.erase( (uintptr_t)poolp->getTexture() );
+		#endif
+		break;
+
+	case LLDrawPool::POOL_TERRAIN:
+		#ifdef _DEBUG
+			{
+				BOOL found = mTerrainPools.erase( (uintptr_t)poolp->getTexture() );
+				llassert( found );
+			}
+		#else
+			mTerrainPools.erase( (uintptr_t)poolp->getTexture() );
+		#endif
+		break;
+
+	case LLDrawPool::POOL_BUMP:
+		llassert( poolp == mBumpPool );
+		mBumpPool = NULL;
+		break;
+	
+	case LLDrawPool::POOL_ALPHA:
+		llassert( poolp == mAlphaPool );
+		mAlphaPool = NULL;
+		break;
+
+	case LLDrawPool::POOL_AVATAR:
+		break; // Do nothing
+
+	case LLDrawPool::POOL_SKY:
+		llassert( poolp == mSkyPool );
+		mSkyPool = NULL;
+		break;
+
+	case LLDrawPool::POOL_WATER:
+		llassert( poolp == mWaterPool );
+		mWaterPool = NULL;
+		break;
+
+	case LLDrawPool::POOL_GROUND:
+		llassert( poolp == mGroundPool );
+		mGroundPool = NULL;
+		break;
+
+	default:
+		llassert(0);
+		llwarns << "Invalid Pool Type in  LLPipeline::removeFromQuickLookup() type=" << poolp->getType() << llendl;
+		break;
+	}
+}
+
+void LLPipeline::resetDrawOrders()
+{
+	assertInitialized();
+	// Iterate through all of the draw pools and rebuild them.
+	for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
+	{
+		LLDrawPool *poolp = *iter;
+		poolp->resetDrawOrders();
+	}
+}
+
+//============================================================================
+// Once-per-frame setup of hardware lights,
+// including sun/moon, avatar backlight, and up to 6 local lights
+
+void LLPipeline::setupAvatarLights(BOOL for_edit)
+{
+	assertInitialized();
+
+	if (for_edit)
+	{
+		LLColor4 diffuse(1.f, 1.f, 1.f, 0.f);
+		LLVector4 light_pos_cam(-8.f, 0.25f, 10.f, 0.f);  // w==0 => directional light
+		LLMatrix4 camera_mat = LLViewerCamera::getInstance()->getModelview();
+		LLMatrix4 camera_rot(camera_mat.getMat3());
+		camera_rot.invert();
+		LLVector4 light_pos = light_pos_cam * camera_rot;
+		
+		light_pos.normalize();
+
+		LLLightState* light = gGL.getLight(1);
+
+		mHWLightColors[1] = diffuse;
+
+		light->setDiffuse(diffuse);
+		light->setAmbient(LLColor4::black);
+		light->setSpecular(LLColor4::black);
+		light->setPosition(light_pos);
+		light->setConstantAttenuation(1.f);
+		light->setLinearAttenuation(0.f);
+		light->setQuadraticAttenuation(0.f);
+		light->setSpotExponent(0.f);
+		light->setSpotCutoff(180.f);
+	}
+	else if (gAvatarBacklight) // Always true (unless overridden in a devs .ini)
+	{
+		LLVector3 opposite_pos = -1.f * mSunDir;
+		LLVector3 orthog_light_pos = mSunDir % LLVector3::z_axis;
+		LLVector4 backlight_pos = LLVector4(lerp(opposite_pos, orthog_light_pos, 0.3f), 0.0f);
+		backlight_pos.normalize();
+			
+		LLColor4 light_diffuse = mSunDiffuse;
+		LLColor4 backlight_diffuse(1.f - light_diffuse.mV[VRED], 1.f - light_diffuse.mV[VGREEN], 1.f - light_diffuse.mV[VBLUE], 1.f);
+		F32 max_component = 0.001f;
+		for (S32 i = 0; i < 3; i++)
+		{
+			if (backlight_diffuse.mV[i] > max_component)
+			{
+				max_component = backlight_diffuse.mV[i];
+			}
+		}
+		F32 backlight_mag;
+		if (gSky.getSunDirection().mV[2] >= LLSky::NIGHTTIME_ELEVATION_COS)
+		{
+			backlight_mag = BACKLIGHT_DAY_MAGNITUDE_OBJECT;
+		}
+		else
+		{
+			backlight_mag = BACKLIGHT_NIGHT_MAGNITUDE_OBJECT;
+		}
+		backlight_diffuse *= backlight_mag / max_component;
+
+		mHWLightColors[1] = backlight_diffuse;
+
+		LLLightState* light = gGL.getLight(1);
+
+		light->setPosition(backlight_pos);
+		light->setDiffuse(backlight_diffuse);
+		light->setAmbient(LLColor4::black);
+		light->setSpecular(LLColor4::black);
+		light->setConstantAttenuation(1.f);
+		light->setLinearAttenuation(0.f);
+		light->setQuadraticAttenuation(0.f);
+		light->setSpotExponent(0.f);
+		light->setSpotCutoff(180.f);
+	}
+	else
+	{
+		LLLightState* light = gGL.getLight(1);
+
+		mHWLightColors[1] = LLColor4::black;
+
+		light->setDiffuse(LLColor4::black);
+		light->setAmbient(LLColor4::black);
+		light->setSpecular(LLColor4::black);
+	}
+}
+
+static F32 calc_light_dist(LLVOVolume* light, const LLVector3& cam_pos, F32 max_dist)
+{
+	F32 inten = light->getLightIntensity();
+	if (inten < .001f)
+	{
+		return max_dist;
+	}
+	F32 radius = light->getLightRadius();
+	BOOL selected = light->isSelected();
+	LLVector3 dpos = light->getRenderPosition() - cam_pos;
+	F32 dist2 = dpos.lengthSquared();
+	if (!selected && dist2 > (max_dist + radius)*(max_dist + radius))
+	{
+		return max_dist;
+	}
+	F32 dist = (F32) sqrt(dist2);
+	dist *= 1.f / inten;
+	dist -= radius;
+	if (selected)
+	{
+		dist -= 10000.f; // selected lights get highest priority
+	}
+	if (light->mDrawable.notNull() && light->mDrawable->isState(LLDrawable::ACTIVE))
+	{
+		// moving lights get a little higher priority (too much causes artifacts)
+		dist -= light->getLightRadius()*0.25f;
+	}
+	return dist;
+}
+
+void LLPipeline::calcNearbyLights(LLCamera& camera)
+{
+	assertInitialized();
+
+	if (LLPipeline::sReflectionRender)
+	{
+		return;
+	}
+
+	if (mLightingDetail >= 1)
+	{
+		// mNearbyLight (and all light_set_t's) are sorted such that
+		// begin() == the closest light and rbegin() == the farthest light
+		const S32 MAX_LOCAL_LIGHTS = 6;
+// 		LLVector3 cam_pos = gAgent.getCameraPositionAgent();
+		LLVector3 cam_pos = LLViewerJoystick::getInstance()->getOverrideCamera() ?
+						camera.getOrigin() : 
+						gAgent.getPositionAgent();
+
+		F32 max_dist = LIGHT_MAX_RADIUS * 4.f; // ignore enitrely lights > 4 * max light rad
+		
+		// UPDATE THE EXISTING NEARBY LIGHTS
+		light_set_t cur_nearby_lights;
+		for (light_set_t::iterator iter = mNearbyLights.begin();
+			iter != mNearbyLights.end(); iter++)
+		{
+			const Light* light = &(*iter);
+			LLDrawable* drawable = light->drawable;
+			LLVOVolume* volight = drawable->getVOVolume();
+			if (!volight || !drawable->isState(LLDrawable::LIGHT))
+			{
+				drawable->clearState(LLDrawable::NEARBY_LIGHT);
+				continue;
+			}
+			if (light->fade <= -LIGHT_FADE_TIME)
+			{
+				drawable->clearState(LLDrawable::NEARBY_LIGHT);
+				continue;
+			}
+			if (!sRenderAttachedLights && volight && volight->isAttachment())
+			{
+				drawable->clearState(LLDrawable::NEARBY_LIGHT);
+				continue;
+			}
+
+			F32 dist = calc_light_dist(volight, cam_pos, max_dist);
+			cur_nearby_lights.insert(Light(drawable, dist, light->fade));
+		}
+		mNearbyLights = cur_nearby_lights;
+				
+		// FIND NEW LIGHTS THAT ARE IN RANGE
+		light_set_t new_nearby_lights;
+		for (LLDrawable::drawable_set_t::iterator iter = mLights.begin();
+			 iter != mLights.end(); ++iter)
+		{
+			LLDrawable* drawable = *iter;
+			LLVOVolume* light = drawable->getVOVolume();
+			if (!light || drawable->isState(LLDrawable::NEARBY_LIGHT))
+			{
+				continue;
+			}
+			if (light->isHUDAttachment())
+			{
+				continue; // no lighting from HUD objects
+			}
+			F32 dist = calc_light_dist(light, cam_pos, max_dist);
+			if (dist >= max_dist)
+			{
+				continue;
+			}
+			if (!sRenderAttachedLights && light && light->isAttachment())
+			{
+				continue;
+			}
+			new_nearby_lights.insert(Light(drawable, dist, 0.f));
+			if (new_nearby_lights.size() > (U32)MAX_LOCAL_LIGHTS)
+			{
+				new_nearby_lights.erase(--new_nearby_lights.end());
+				const Light& last = *new_nearby_lights.rbegin();
+				max_dist = last.dist;
+			}
+		}
+
+		// INSERT ANY NEW LIGHTS
+		for (light_set_t::iterator iter = new_nearby_lights.begin();
+			 iter != new_nearby_lights.end(); iter++)
+		{
+			const Light* light = &(*iter);
+			if (mNearbyLights.size() < (U32)MAX_LOCAL_LIGHTS)
+			{
+				mNearbyLights.insert(*light);
+				((LLDrawable*) light->drawable)->setState(LLDrawable::NEARBY_LIGHT);
+			}
+			else
+			{
+				// crazy cast so that we can overwrite the fade value
+				// even though gcc enforces sets as const
+				// (fade value doesn't affect sort so this is safe)
+				Light* farthest_light = ((Light*) (&(*(mNearbyLights.rbegin()))));
+				if (light->dist < farthest_light->dist)
+				{
+					if (farthest_light->fade >= 0.f)
+					{
+						farthest_light->fade = -gFrameIntervalSeconds;
+					}
+				}
+				else
+				{
+					break; // none of the other lights are closer
+				}
+			}
+		}
+		
+	}
+}
+
+void LLPipeline::setupHWLights(LLDrawPool* pool)
+{
+	assertInitialized();
+
+	// Ambient
+	LLColor4 ambient = gSky.getTotalAmbientColor();
+	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
+
+	// Light 0 = Sun or Moon (All objects)
+	{
+		if (gSky.getSunDirection().mV[2] >= LLSky::NIGHTTIME_ELEVATION_COS)
+		{
+			mSunDir.setVec(gSky.getSunDirection());
+			mSunDiffuse.setVec(gSky.getSunDiffuseColor());
+		}
+		else
+		{
+			mSunDir.setVec(gSky.getMoonDirection());
+			mSunDiffuse.setVec(gSky.getMoonDiffuseColor());
+		}
+
+		F32 max_color = llmax(mSunDiffuse.mV[0], mSunDiffuse.mV[1], mSunDiffuse.mV[2]);
+		if (max_color > 1.f)
+		{
+			mSunDiffuse *= 1.f/max_color;
+		}
+		mSunDiffuse.clamp();
+
+		LLVector4 light_pos(mSunDir, 0.0f);
+		LLColor4 light_diffuse = mSunDiffuse;
+		mHWLightColors[0] = light_diffuse;
+
+		LLLightState* light = gGL.getLight(0);
+		light->setPosition(light_pos);
+		light->setDiffuse(light_diffuse);
+		light->setAmbient(LLColor4::black);
+		light->setSpecular(LLColor4::black);
+		light->setConstantAttenuation(1.f);
+		light->setLinearAttenuation(0.f);
+		light->setQuadraticAttenuation(0.f);
+		light->setSpotExponent(0.f);
+		light->setSpotCutoff(180.f);
+	}
+	
+	// Light 1 = Backlight (for avatars)
+	// (set by enableLightsAvatar)
+	
+	S32 cur_light = 2;
+	
+	// Nearby lights = LIGHT 2-7
+
+	mLightMovingMask = 0;
+	
+	if (mLightingDetail >= 1)
+	{
+		for (light_set_t::iterator iter = mNearbyLights.begin();
+			 iter != mNearbyLights.end(); ++iter)
+		{
+			LLDrawable* drawable = iter->drawable;
+			LLVOVolume* light = drawable->getVOVolume();
+			if (!light)
+			{
+				continue;
+			}
+			if (drawable->isState(LLDrawable::ACTIVE))
+			{
+				mLightMovingMask |= (1<<cur_light);
+			}
+			
+			LLColor4  light_color = light->getLightColor();
+			light_color.mV[3] = 0.0f;
+
+			F32 fade = iter->fade;
+			if (fade < LIGHT_FADE_TIME)
+			{
+				// fade in/out light
+				if (fade >= 0.f)
+				{
+					fade = fade / LIGHT_FADE_TIME;
+					((Light*) (&(*iter)))->fade += gFrameIntervalSeconds;
+				}
+				else
+				{
+					fade = 1.f + fade / LIGHT_FADE_TIME;
+					((Light*) (&(*iter)))->fade -= gFrameIntervalSeconds;
+				}
+				fade = llclamp(fade,0.f,1.f);
+				light_color *= fade;
+			}
+
+			LLVector3 light_pos(light->getRenderPosition());
+			LLVector4 light_pos_gl(light_pos, 1.0f);
+	
+			F32 light_radius = llmax(light->getLightRadius(), 0.001f);
+
+			F32 x = (3.f * (1.f + light->getLightFalloff())); // why this magic?  probably trying to match a historic behavior.
+			float linatten = x / (light_radius); // % of brightness at radius
+
+			mHWLightColors[cur_light] = light_color;
+			LLLightState* light_state = gGL.getLight(cur_light);
+			
+			light_state->setPosition(light_pos_gl);
+			light_state->setDiffuse(light_color);
+			light_state->setAmbient(LLColor4::black);
+			light_state->setConstantAttenuation(0.f);
+			light_state->setLinearAttenuation(linatten);
+			light_state->setQuadraticAttenuation(0.f);
+
+			if (light->isLightSpotlight() // directional (spot-)light
+			    && (LLPipeline::sRenderDeferred || gSavedSettings.getBOOL("RenderSpotLightsInNondeferred"))) // these are only rendered as GL spotlights if we're in deferred rendering mode *or* the setting forces them on
+			{
+				LLVector3 spotparams = light->getSpotLightParams();
+				LLQuaternion quat = light->getRenderRotation();
+				LLVector3 at_axis(0,0,-1); // this matches deferred rendering's object light direction
+				at_axis *= quat;
+
+				light_state->setSpotDirection(at_axis);
+				light_state->setSpotCutoff(90.f);
+				light_state->setSpotExponent(2.f);
+	
+				light_state->setSpecular(LLColor4::black);
+			}
+			else // omnidirectional (point) light
+			{
+				light_state->setSpotExponent(0.f);
+				light_state->setSpotCutoff(180.f);
+				
+				// we use specular.w = 1.0 as a cheap hack for the shaders to know that this is omnidirectional rather than a spotlight
+				const LLColor4 specular(0.f, 0.f, 0.f, 1.f);
+				light_state->setSpecular(specular);				
+			}
+			cur_light++;
+			if (cur_light >= 8)
+			{
+				break; // safety
+			}
+		}
+	}
+	for ( ; cur_light < 8 ; cur_light++)
+	{
+		mHWLightColors[cur_light] = LLColor4::black;
+		LLLightState* light = gGL.getLight(cur_light);
+
+		light->setDiffuse(LLColor4::black);
+		light->setAmbient(LLColor4::black);
+		light->setSpecular(LLColor4::black);
+	}
+	if (gAgentAvatarp &&
+		gAgentAvatarp->mSpecialRenderMode == 3)
+	{
+		LLColor4  light_color = LLColor4::white;
+		light_color.mV[3] = 0.0f;
+
+		LLVector3 light_pos(LLViewerCamera::getInstance()->getOrigin());
+		LLVector4 light_pos_gl(light_pos, 1.0f);
+
+		F32 light_radius = 16.f;
+
+			F32 x = 3.f;
+		float linatten = x / (light_radius); // % of brightness at radius
+
+		mHWLightColors[2] = light_color;
+		LLLightState* light = gGL.getLight(2);
+
+		light->setPosition(light_pos_gl);
+		light->setDiffuse(light_color);
+		light->setAmbient(LLColor4::black);
+		light->setSpecular(LLColor4::black);
+		light->setQuadraticAttenuation(0.f);
+		light->setConstantAttenuation(0.f);
+		light->setLinearAttenuation(linatten);
+		light->setSpotExponent(0.f);
+		light->setSpotCutoff(180.f);
+	}
+
+	// Init GL state
+	glDisable(GL_LIGHTING);
+	for (S32 i = 0; i < 8; ++i)
+	{
+		gGL.getLight(i)->disable();
+	}
+	mLightMask = 0;
+}
+
+void LLPipeline::enableLights(U32 mask)
+{
+	assertInitialized();
+
+	if (mLightingDetail == 0)
+	{
+		mask &= 0xf003; // sun and backlight only (and fullbright bit)
+	}
+	if (mLightMask != mask)
+	{
+		stop_glerror();
+		if (!mLightMask)
+		{
+			glEnable(GL_LIGHTING);
+		}
+		if (mask)
+		{
+			stop_glerror();
+			for (S32 i=0; i<8; i++)
+			{
+				LLLightState* light = gGL.getLight(i);
+				if (mask & (1<<i))
+				{
+					light->enable();
+					light->setDiffuse(mHWLightColors[i]);
+				}
+				else
+				{
+					light->disable();
+					light->setDiffuse(LLColor4::black);
+				}
+			}
+			stop_glerror();
+		}
+		else
+		{
+			glDisable(GL_LIGHTING);
+		}
+		stop_glerror();
+		mLightMask = mask;
+		LLColor4 ambient = gSky.getTotalAmbientColor();
+		glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
+		stop_glerror();
+	}
+}
+
+void LLPipeline::enableLightsStatic()
+{
+	assertInitialized();
+	U32 mask = 0x01; // Sun
+	if (mLightingDetail >= 2)
+	{
+		mask |= mLightMovingMask; // Hardware moving lights
+	}
+	else
+	{
+		mask |= 0xff & (~2); // Hardware local lights
+	}
+	enableLights(mask);
+}
+
+void LLPipeline::enableLightsDynamic()
+{
+	assertInitialized();
+	U32 mask = 0xff & (~2); // Local lights
+	enableLights(mask);
+	
+	if (isAgentAvatarValid() && getLightingDetail() <= 0)
+	{
+		if (gAgentAvatarp->mSpecialRenderMode == 0) // normal
+		{
+			gPipeline.enableLightsAvatar();
+		}
+		else if (gAgentAvatarp->mSpecialRenderMode >= 1)  // anim preview
+		{
+			gPipeline.enableLightsAvatarEdit(LLColor4(0.7f, 0.6f, 0.3f, 1.f));
+		}
+	}
+}
+
+void LLPipeline::enableLightsAvatar()
+{
+	U32 mask = 0xff; // All lights
+	setupAvatarLights(FALSE);
+	enableLights(mask);
+}
+
+void LLPipeline::enableLightsPreview()
+{
+	disableLights();
+
+	glEnable(GL_LIGHTING);
+	LLColor4 ambient = gSavedSettings.getColor4("PreviewAmbientColor");
+	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
+
+
+	LLColor4 diffuse0 = gSavedSettings.getColor4("PreviewDiffuse0");
+	LLColor4 specular0 = gSavedSettings.getColor4("PreviewSpecular0");
+	LLColor4 diffuse1 = gSavedSettings.getColor4("PreviewDiffuse1");
+	LLColor4 specular1 = gSavedSettings.getColor4("PreviewSpecular1");
+	LLColor4 diffuse2 = gSavedSettings.getColor4("PreviewDiffuse2");
+	LLColor4 specular2 = gSavedSettings.getColor4("PreviewSpecular2");
+
+	LLVector3 dir0 = gSavedSettings.getVector3("PreviewDirection0");
+	LLVector3 dir1 = gSavedSettings.getVector3("PreviewDirection1");
+	LLVector3 dir2 = gSavedSettings.getVector3("PreviewDirection2");
+
+	dir0.normVec();
+	dir1.normVec();
+	dir2.normVec();
+	
+	LLVector4 light_pos(dir0, 0.0f);
+
+	LLLightState* light = gGL.getLight(0);
+
+	light->enable();
+	light->setPosition(light_pos);
+	light->setDiffuse(diffuse0);
+	light->setAmbient(LLColor4::black);
+	light->setSpecular(specular0);
+	light->setSpotExponent(0.f);
+	light->setSpotCutoff(180.f);
+
+	light_pos = LLVector4(dir1, 0.f);
+
+	light = gGL.getLight(1);
+	light->enable();
+	light->setPosition(light_pos);
+	light->setDiffuse(diffuse1);
+	light->setAmbient(LLColor4::black);
+	light->setSpecular(specular1);
+	light->setSpotExponent(0.f);
+	light->setSpotCutoff(180.f);
+
+	light_pos = LLVector4(dir2, 0.f);
+	light = gGL.getLight(2);
+	light->enable();
+	light->setPosition(light_pos);
+	light->setDiffuse(diffuse2);
+	light->setAmbient(LLColor4::black);
+	light->setSpecular(specular2);
+	light->setSpotExponent(0.f);
+	light->setSpotCutoff(180.f);
+}
+
+
+void LLPipeline::enableLightsAvatarEdit(const LLColor4& color)
+{
+	U32 mask = 0x2002; // Avatar backlight only, set ambient
+	setupAvatarLights(TRUE);
+	enableLights(mask);
+
+	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);
+}
+
+void LLPipeline::enableLightsFullbright(const LLColor4& color)
+{
+	assertInitialized();
+	U32 mask = 0x1000; // Non-0 mask, set ambient
+	enableLights(mask);
+
+	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);
+}
+
+void LLPipeline::disableLights()
+{
+	enableLights(0); // no lighting (full bright)
+}
+
+//============================================================================
+
+class LLMenuItemGL;
+class LLInvFVBridge;
+struct cat_folder_pair;
+class LLVOBranch;
+class LLVOLeaf;
+
+void LLPipeline::findReferences(LLDrawable *drawablep)
+{
+	assertInitialized();
+	if (mLights.find(drawablep) != mLights.end())
+	{
+		llinfos << "In mLights" << llendl;
+	}
+	if (std::find(mMovedList.begin(), mMovedList.end(), drawablep) != mMovedList.end())
+	{
+		llinfos << "In mMovedList" << llendl;
+	}
+	if (std::find(mShiftList.begin(), mShiftList.end(), drawablep) != mShiftList.end())
+	{
+		llinfos << "In mShiftList" << llendl;
+	}
+	if (mRetexturedList.find(drawablep) != mRetexturedList.end())
+	{
+		llinfos << "In mRetexturedList" << llendl;
+	}
+	
+	if (std::find(mBuildQ1.begin(), mBuildQ1.end(), drawablep) != mBuildQ1.end())
+	{
+		llinfos << "In mBuildQ1" << llendl;
+	}
+	if (std::find(mBuildQ2.begin(), mBuildQ2.end(), drawablep) != mBuildQ2.end())
+	{
+		llinfos << "In mBuildQ2" << llendl;
+	}
+
+	S32 count;
+	
+	count = gObjectList.findReferences(drawablep);
+	if (count)
+	{
+		llinfos << "In other drawables: " << count << " references" << llendl;
+	}
+}
+
+BOOL LLPipeline::verify()
+{
+	BOOL ok = assertInitialized();
+	if (ok) 
+	{
+		for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
+		{
+			LLDrawPool *poolp = *iter;
+			if (!poolp->verify())
+			{
+				ok = FALSE;
+			}
+		}
+	}
+
+	if (!ok)
+	{
+		llwarns << "Pipeline verify failed!" << llendl;
+	}
+	return ok;
+}
+
+//////////////////////////////
+//
+// Collision detection
+//
+//
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/**
+ *	A method to compute a ray-AABB intersection.
+ *	Original code by Andrew Woo, from "Graphics Gems", Academic Press, 1990
+ *	Optimized code by Pierre Terdiman, 2000 (~20-30% faster on my Celeron 500)
+ *	Epsilon value added by Klaus Hartmann. (discarding it saves a few cycles only)
+ *
+ *	Hence this version is faster as well as more robust than the original one.
+ *
+ *	Should work provided:
+ *	1) the integer representation of 0.0f is 0x00000000
+ *	2) the sign bit of the float is the most significant one
+ *
+ *	Report bugs: p.terdiman@codercorner.com
+ *
+ *	\param		aabb		[in] the axis-aligned bounding box
+ *	\param		origin		[in] ray origin
+ *	\param		dir			[in] ray direction
+ *	\param		coord		[out] impact coordinates
+ *	\return		true if ray intersects AABB
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//#define RAYAABB_EPSILON 0.00001f
+#define IR(x)	((U32&)x)
+
+bool LLRayAABB(const LLVector3 &center, const LLVector3 &size, const LLVector3& origin, const LLVector3& dir, LLVector3 &coord, F32 epsilon)
+{
+	BOOL Inside = TRUE;
+	LLVector3 MinB = center - size;
+	LLVector3 MaxB = center + size;
+	LLVector3 MaxT;
+	MaxT.mV[VX]=MaxT.mV[VY]=MaxT.mV[VZ]=-1.0f;
+
+	// Find candidate planes.
+	for(U32 i=0;i<3;i++)
+	{
+		if(origin.mV[i] < MinB.mV[i])
+		{
+			coord.mV[i]	= MinB.mV[i];
+			Inside		= FALSE;
+
+			// Calculate T distances to candidate planes
+			if(IR(dir.mV[i]))	MaxT.mV[i] = (MinB.mV[i] - origin.mV[i]) / dir.mV[i];
+		}
+		else if(origin.mV[i] > MaxB.mV[i])
+		{
+			coord.mV[i]	= MaxB.mV[i];
+			Inside		= FALSE;
+
+			// Calculate T distances to candidate planes
+			if(IR(dir.mV[i]))	MaxT.mV[i] = (MaxB.mV[i] - origin.mV[i]) / dir.mV[i];
+		}
+	}
+
+	// Ray origin inside bounding box
+	if(Inside)
+	{
+		coord = origin;
+		return true;
+	}
+
+	// Get largest of the maxT's for final choice of intersection
+	U32 WhichPlane = 0;
+	if(MaxT.mV[1] > MaxT.mV[WhichPlane])	WhichPlane = 1;
+	if(MaxT.mV[2] > MaxT.mV[WhichPlane])	WhichPlane = 2;
+
+	// Check final candidate actually inside box
+	if(IR(MaxT.mV[WhichPlane])&0x80000000) return false;
+
+	for(U32 i=0;i<3;i++)
+	{
+		if(i!=WhichPlane)
+		{
+			coord.mV[i] = origin.mV[i] + MaxT.mV[WhichPlane] * dir.mV[i];
+			if (epsilon > 0)
+			{
+				if(coord.mV[i] < MinB.mV[i] - epsilon || coord.mV[i] > MaxB.mV[i] + epsilon)	return false;
+			}
+			else
+			{
+				if(coord.mV[i] < MinB.mV[i] || coord.mV[i] > MaxB.mV[i])	return false;
+			}
+		}
+	}
+	return true;	// ray hits box
+}
+
+//////////////////////////////
+//
+// Macros, functions, and inline methods from other classes
+//
+//
+
+void LLPipeline::setLight(LLDrawable *drawablep, BOOL is_light)
+{
+	if (drawablep && assertInitialized())
+	{
+		if (is_light)
+		{
+			mLights.insert(drawablep);
+			drawablep->setState(LLDrawable::LIGHT);
+		}
+		else
+		{
+			drawablep->clearState(LLDrawable::LIGHT);
+			mLights.erase(drawablep);
+		}
+	}
+}
+
+//static
+void LLPipeline::toggleRenderType(U32 type)
+{
+	gPipeline.mRenderTypeEnabled[type] = !gPipeline.mRenderTypeEnabled[type];
+	if (type == LLPipeline::RENDER_TYPE_WATER)
+	{
+		gPipeline.mRenderTypeEnabled[LLPipeline::RENDER_TYPE_VOIDWATER] = !gPipeline.mRenderTypeEnabled[LLPipeline::RENDER_TYPE_VOIDWATER];
+	}
+}
+
+//static
+void LLPipeline::toggleRenderTypeControl(void* data)
+{
+	U32 type = (U32)(intptr_t)data;
+	U32 bit = (1<<type);
+	if (gPipeline.hasRenderType(type))
+	{
+		llinfos << "Toggling render type mask " << std::hex << bit << " off" << std::dec << llendl;
+	}
+	else
+	{
+		llinfos << "Toggling render type mask " << std::hex << bit << " on" << std::dec << llendl;
+	}
+	gPipeline.toggleRenderType(type);
+}
+
+//static
+BOOL LLPipeline::hasRenderTypeControl(void* data)
+{
+	U32 type = (U32)(intptr_t)data;
+	return gPipeline.hasRenderType(type);
+}
+
+// Allows UI items labeled "Hide foo" instead of "Show foo"
+//static
+BOOL LLPipeline::toggleRenderTypeControlNegated(void* data)
+{
+	S32 type = (S32)(intptr_t)data;
+	return !gPipeline.hasRenderType(type);
+}
+
+//static
+void LLPipeline::toggleRenderDebug(void* data)
+{
+	U32 bit = (U32)(intptr_t)data;
+	if (gPipeline.hasRenderDebugMask(bit))
+	{
+		llinfos << "Toggling render debug mask " << std::hex << bit << " off" << std::dec << llendl;
+	}
+	else
+	{
+		llinfos << "Toggling render debug mask " << std::hex << bit << " on" << std::dec << llendl;
+	}
+	gPipeline.mRenderDebugMask ^= bit;
+}
+
+
+//static
+BOOL LLPipeline::toggleRenderDebugControl(void* data)
+{
+	U32 bit = (U32)(intptr_t)data;
+	return gPipeline.hasRenderDebugMask(bit);
+}
+
+//static
+void LLPipeline::toggleRenderDebugFeature(void* data)
+{
+	U32 bit = (U32)(intptr_t)data;
+	gPipeline.mRenderDebugFeatureMask ^= bit;
+}
+
+
+//static
+BOOL LLPipeline::toggleRenderDebugFeatureControl(void* data)
+{
+	U32 bit = (U32)(intptr_t)data;
+	return gPipeline.hasRenderDebugFeatureMask(bit);
+}
+
+void LLPipeline::setRenderDebugFeatureControl(U32 bit, bool value)
+{
+	if (value)
+	{
+		gPipeline.mRenderDebugFeatureMask |= bit;
+	}
+	else
+	{
+		gPipeline.mRenderDebugFeatureMask &= !bit;
+	}
+}
+
+// static
+void LLPipeline::setRenderScriptedBeacons(BOOL val)
+{
+	sRenderScriptedBeacons = val;
+}
+
+// static
+void LLPipeline::toggleRenderScriptedBeacons(void*)
+{
+	sRenderScriptedBeacons = !sRenderScriptedBeacons;
+}
+
+// static
+BOOL LLPipeline::getRenderScriptedBeacons(void*)
+{
+	return sRenderScriptedBeacons;
+}
+
+// static
+void LLPipeline::setRenderScriptedTouchBeacons(BOOL val)
+{
+	sRenderScriptedTouchBeacons = val;
+}
+
+// static
+void LLPipeline::toggleRenderScriptedTouchBeacons(void*)
+{
+	sRenderScriptedTouchBeacons = !sRenderScriptedTouchBeacons;
+}
+
+// static
+BOOL LLPipeline::getRenderScriptedTouchBeacons(void*)
+{
+	return sRenderScriptedTouchBeacons;
+}
+
+// static
+void LLPipeline::setRenderPhysicalBeacons(BOOL val)
+{
+	sRenderPhysicalBeacons = val;
+}
+
+// static
+void LLPipeline::toggleRenderPhysicalBeacons(void*)
+{
+	sRenderPhysicalBeacons = !sRenderPhysicalBeacons;
+}
+
+// static
+BOOL LLPipeline::getRenderPhysicalBeacons(void*)
+{
+	return sRenderPhysicalBeacons;
+}
+
+// static
+void LLPipeline::setRenderParticleBeacons(BOOL val)
+{
+	sRenderParticleBeacons = val;
+}
+
+// static
+void LLPipeline::toggleRenderParticleBeacons(void*)
+{
+	sRenderParticleBeacons = !sRenderParticleBeacons;
+}
+
+// static
+BOOL LLPipeline::getRenderParticleBeacons(void*)
+{
+	return sRenderParticleBeacons;
+}
+
+// static
+void LLPipeline::setRenderSoundBeacons(BOOL val)
+{
+	sRenderSoundBeacons = val;
+}
+
+// static
+void LLPipeline::toggleRenderSoundBeacons(void*)
+{
+	sRenderSoundBeacons = !sRenderSoundBeacons;
+}
+
+// static
+BOOL LLPipeline::getRenderSoundBeacons(void*)
+{
+	return sRenderSoundBeacons;
+}
+
+// static
+void LLPipeline::setRenderBeacons(BOOL val)
+{
+	sRenderBeacons = val;
+}
+
+// static
+void LLPipeline::toggleRenderBeacons(void*)
+{
+	sRenderBeacons = !sRenderBeacons;
+}
+
+// static
+BOOL LLPipeline::getRenderBeacons(void*)
+{
+	return sRenderBeacons;
+}
+
+// static
+void LLPipeline::setRenderHighlights(BOOL val)
+{
+	sRenderHighlight = val;
+}
+
+// static
+void LLPipeline::toggleRenderHighlights(void*)
+{
+	sRenderHighlight = !sRenderHighlight;
+}
+
+// static
+BOOL LLPipeline::getRenderHighlights(void*)
+{
+	return sRenderHighlight;
+}
+
+LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start, const LLVector3& end,
+														BOOL pick_transparent,												
+														S32* face_hit,
+														LLVector3* intersection,         // return the intersection point
+														LLVector2* tex_coord,            // return the texture coordinates of the intersection point
+														LLVector3* normal,               // return the surface normal at the intersection point
+														LLVector3* bi_normal             // return the surface bi-normal at the intersection point
+	)
+{
+	LLDrawable* drawable = NULL;
+
+	LLVector3 local_end = end;
+
+	LLVector3 position;
+
+	sPickAvatar = FALSE; //LLToolMgr::getInstance()->inBuildMode() ? FALSE : TRUE;
+	
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+
+		for (U32 j = 0; j < LLViewerRegion::NUM_PARTITIONS; j++)
+		{
+			if ((j == LLViewerRegion::PARTITION_VOLUME) || 
+				(j == LLViewerRegion::PARTITION_BRIDGE) || 
+				(j == LLViewerRegion::PARTITION_TERRAIN) ||
+				(j == LLViewerRegion::PARTITION_TREE) ||
+				(j == LLViewerRegion::PARTITION_GRASS))  // only check these partitions for now
+			{
+				LLSpatialPartition* part = region->getSpatialPartition(j);
+				if (part && hasRenderType(part->mDrawableType))
+				{
+					LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, face_hit, &position, tex_coord, normal, bi_normal);
+					if (hit)
+					{
+						drawable = hit;
+						local_end = position;						
+					}
+				}
+			}
+		}
+	}
+	
+	if (!sPickAvatar)
+	{
+		//save hit info in case we need to restore
+		//due to attachment override
+		LLVector3 local_normal;
+		LLVector3 local_binormal;
+		LLVector2 local_texcoord;
+		S32 local_face_hit = -1;
+
+		if (face_hit)
+		{ 
+			local_face_hit = *face_hit;
+		}
+		if (tex_coord)
+		{
+			local_texcoord = *tex_coord;
+		}
+		if (bi_normal)
+		{
+			local_binormal = *bi_normal;
+		}
+		if (normal)
+		{
+			local_normal = *normal;
+		}
+				
+		const F32 ATTACHMENT_OVERRIDE_DIST = 0.1f;
+
+		//check against avatars
+		sPickAvatar = TRUE;
+		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+				iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+		{
+			LLViewerRegion* region = *iter;
+
+			LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_BRIDGE);
+			if (part && hasRenderType(part->mDrawableType))
+			{
+				LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, face_hit, &position, tex_coord, normal, bi_normal);
+				if (hit)
+				{
+					if (!drawable || 
+						!drawable->getVObj()->isAttachment() ||
+						(position-local_end).magVec() > ATTACHMENT_OVERRIDE_DIST)
+					{ //avatar overrides if previously hit drawable is not an attachment or 
+					  //attachment is far enough away from detected intersection
+						drawable = hit;
+						local_end = position;						
+					}
+					else
+					{ //prioritize attachments over avatars
+						position = local_end;
+
+						if (face_hit)
+						{
+							*face_hit = local_face_hit;
+						}
+						if (tex_coord)
+						{
+							*tex_coord = local_texcoord;
+						}
+						if (bi_normal)
+						{
+							*bi_normal = local_binormal;
+						}
+						if (normal)
+						{
+							*normal = local_normal;
+						}
+					}
+				}
+			}
+		}
+	}
+
+	//check all avatar nametags (silly, isn't it?)
+	for (std::vector< LLCharacter* >::iterator iter = LLCharacter::sInstances.begin();
+		iter != LLCharacter::sInstances.end();
+		++iter)
+	{
+		LLVOAvatar* av = (LLVOAvatar*) *iter;
+		if (av->mNameText.notNull()
+			&& av->mNameText->lineSegmentIntersect(start, local_end, position))
+		{
+			drawable = av->mDrawable;
+			local_end = position;
+		}
+	}
+
+	if (intersection)
+	{
+		*intersection = position;
+	}
+
+	return drawable ? drawable->getVObj().get() : NULL;
+}
+
+LLViewerObject* LLPipeline::lineSegmentIntersectInHUD(const LLVector3& start, const LLVector3& end,
+													  BOOL pick_transparent,													
+													  S32* face_hit,
+													  LLVector3* intersection,         // return the intersection point
+													  LLVector2* tex_coord,            // return the texture coordinates of the intersection point
+													  LLVector3* normal,               // return the surface normal at the intersection point
+													  LLVector3* bi_normal             // return the surface bi-normal at the intersection point
+	)
+{
+	LLDrawable* drawable = NULL;
+
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+
+		BOOL toggle = FALSE;
+		if (!hasRenderType(LLPipeline::RENDER_TYPE_HUD))
+		{
+			toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
+			toggle = TRUE;
+		}
+
+		LLSpatialPartition* part = region->getSpatialPartition(LLViewerRegion::PARTITION_HUD);
+		if (part)
+		{
+			LLDrawable* hit = part->lineSegmentIntersect(start, end, pick_transparent, face_hit, intersection, tex_coord, normal, bi_normal);
+			if (hit)
+			{
+				drawable = hit;
+			}
+		}
+
+		if (toggle)
+		{
+			toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
+		}
+	}
+	return drawable ? drawable->getVObj().get() : NULL;
+}
+
+LLSpatialPartition* LLPipeline::getSpatialPartition(LLViewerObject* vobj)
+{
+	if (vobj)
+	{
+		LLViewerRegion* region = vobj->getRegion();
+		if (region)
+		{
+			return region->getSpatialPartition(vobj->getPartitionType());
+		}
+	}
+	return NULL;
+}
+
+
+void LLPipeline::resetVertexBuffers(LLDrawable* drawable)
+{
+	if (!drawable || drawable->isDead())
+	{
+		return;
+	}
+
+	for (S32 i = 0; i < drawable->getNumFaces(); i++)
+	{
+		LLFace* facep = drawable->getFace(i);
+		facep->mVertexBuffer = NULL;
+		facep->mLastVertexBuffer = NULL;
+	}
+}
+
+void LLPipeline::resetVertexBuffers()
+{
+	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
+	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
+	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
+	LLVertexBuffer::sPreferStreamDraw = gSavedSettings.getBOOL("RenderPreferStreamDraw");
+	LLVertexBuffer::sEnableVBOs = gSavedSettings.getBOOL("RenderVBOEnable");
+	sBakeSunlight = gSavedSettings.getBOOL("RenderBakeSunlight");
+	sNoAlpha = gSavedSettings.getBOOL("RenderNoAlpha");
+
+	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	{
+		LLViewerRegion* region = *iter;
+		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		{
+			LLSpatialPartition* part = region->getSpatialPartition(i);
+			if (part)
+			{
+				part->resetVertexBuffers();
+			}
+		}
+	}
+
+	resetDrawOrders();
+
+	gSky.resetVertexBuffers();
+
+	if (LLVertexBuffer::sGLCount > 0)
+	{
+		LLVertexBuffer::cleanupClass();
+	}
+
+	//delete all name pool caches
+	LLGLNamePool::cleanupPools();
+
+	if (LLVertexBuffer::sGLCount > 0)
+	{
+		llwarns << "VBO wipe failed." << llendl;
+	}
+
+	if (!LLVertexBuffer::sStreamIBOPool.mNameList.empty() ||
+		!LLVertexBuffer::sStreamVBOPool.mNameList.empty() ||
+		!LLVertexBuffer::sDynamicIBOPool.mNameList.empty() ||
+		!LLVertexBuffer::sDynamicVBOPool.mNameList.empty())
+	{
+		llwarns << "VBO name pool cleanup failed." << llendl;
+	}
+
+	LLVertexBuffer::unbind();
+
+	LLPipeline::sTextureBindTest = gSavedSettings.getBOOL("RenderDebugTextureBind");
+}
+
+void LLPipeline::renderObjects(U32 type, U32 mask, BOOL texture)
+{
+	LLMemType mt_ro(LLMemType::MTYPE_PIPELINE_RENDER_OBJECTS);
+	assertInitialized();
+	glLoadMatrixd(gGLModelView);
+	gGLLastMatrix = NULL;
+	mSimplePool->pushBatches(type, mask);
+	glLoadMatrixd(gGLModelView);
+	gGLLastMatrix = NULL;		
+}
+
+void apply_cube_face_rotation(U32 face)
+{
+	switch (face)
+	{
+		case 0: 
+			glRotatef(90.f, 0, 1, 0);
+			glRotatef(180.f, 1, 0, 0);
+		break;
+		case 2: 
+			glRotatef(-90.f, 1, 0, 0);
+		break;
+		case 4:
+			glRotatef(180.f, 0, 1, 0);
+			glRotatef(180.f, 0, 0, 1);
+		break;
+		case 1: 
+			glRotatef(-90.f, 0, 1, 0);
+			glRotatef(180.f, 1, 0, 0);
+		break;
+		case 3:
+			glRotatef(90, 1, 0, 0);
+		break;
+		case 5: 
+			glRotatef(180, 0, 0, 1);
+		break;
+	}
+}
+
+void validate_framebuffer_object()
+{                                                           
+	GLenum status;                                            
+	status = glCheckFramebufferStatus(GL_FRAMEBUFFER_EXT); 
+	switch(status) 
+	{                                          
+		case GL_FRAMEBUFFER_COMPLETE:                       
+			//framebuffer OK, no error.
+			break;
+		case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
+			// frame buffer not OK: probably means unsupported depth buffer format
+			llerrs << "Framebuffer Incomplete Missing Attachment." << llendl;
+			break;
+		case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
+			// frame buffer not OK: probably means unsupported depth buffer format
+			llerrs << "Framebuffer Incomplete Attachment." << llendl;
+			break; 
+		case GL_FRAMEBUFFER_UNSUPPORTED:                    
+			/* choose different formats */                        
+			llerrs << "Framebuffer unsupported." << llendl;
+			break;                                                
+		default:                                                
+			llerrs << "Unknown framebuffer status." << llendl;
+			break;
+	}
+}
+
+void LLPipeline::bindScreenToTexture() 
+{
+	
+}
+
+static LLFastTimer::DeclareTimer FTM_RENDER_BLOOM("Bloom");
+
+void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
+{
+	LLMemType mt_ru(LLMemType::MTYPE_PIPELINE_RENDER_BLOOM);
+	if (!(gPipeline.canUseVertexShaders() &&
+		sRenderGlow))
+	{
+		return;
+	}
+
+	LLVertexBuffer::unbind();
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+
+	assertInitialized();
+
+	if (gUseWireframe)
+	{
+		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+	}
+
+	U32 res_mod = gSavedSettings.getU32("RenderResolutionDivisor");
+
+	LLVector2 tc1(0,0);
+	LLVector2 tc2((F32) gViewerWindow->getWorldViewWidthRaw()*2,
+				  (F32) gViewerWindow->getWorldViewHeightRaw()*2);
+
+	if (res_mod > 1)
+	{
+		tc2 /= (F32) res_mod;
+	}
+
+	LLFastTimer ftm(FTM_RENDER_BLOOM);
+	gGL.color4f(1,1,1,1);
+	LLGLDepthTest depth(GL_FALSE);
+	LLGLDisable blend(GL_BLEND);
+	LLGLDisable cull(GL_CULL_FACE);
+	
+	enableLightsFullbright(LLColor4(1,1,1,1));
+
+	glMatrixMode(GL_PROJECTION);
+	glPushMatrix();
+	glLoadIdentity();
+	glMatrixMode(GL_MODELVIEW);
+	glPushMatrix();
+	glLoadIdentity();
+
+	LLGLDisable test(GL_ALPHA_TEST);
+
+	gGL.setColorMask(true, true);
+	glClearColor(0,0,0,0);
+
+	/*if (for_snapshot)
+	{
+		gGL.getTexUnit(0)->bind(&mGlow[1]);
+		{
+			//LLGLEnable stencil(GL_STENCIL_TEST);
+			//glStencilFunc(GL_NOTEQUAL, 255, 0xFFFFFFFF);
+			//glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+			//LLGLDisable blend(GL_BLEND);
+
+			// If the snapshot is constructed from tiles, calculate which
+			// tile we're in.
+
+			//from LLViewerCamera::setPerpsective
+			if (zoom_factor > 1.f)
+			{
+				int pos_y = subfield / llceil(zoom_factor);
+				int pos_x = subfield - (pos_y*llceil(zoom_factor));
+				F32 size = 1.f/zoom_factor;
+
+				tc1.set(pos_x*size, pos_y*size);
+				tc2 = tc1 + LLVector2(size,size);
+			}
+			else
+			{
+				tc2.set(1,1);
+			}
+			
+			LLGLEnable blend(GL_BLEND);
+			gGL.setSceneBlendType(LLRender::BT_ADD);
+			
+				
+			gGL.begin(LLRender::TRIANGLE_STRIP);
+			gGL.color4f(1,1,1,1);
+			gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+			gGL.vertex2f(-1,-1);
+			
+			gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+			gGL.vertex2f(-1,1);
+			
+			gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+			gGL.vertex2f(1,-1);
+			
+			gGL.texCoord2f(tc2.mV[0], tc2.mV[1]);
+			gGL.vertex2f(1,1);
+
+			gGL.end();
+
+			gGL.flush();
+			gGL.setSceneBlendType(LLRender::BT_ALPHA);
+		}
+
+		gGL.flush();
+		glMatrixMode(GL_PROJECTION);
+		glPopMatrix();
+		glMatrixMode(GL_MODELVIEW);
+		glPopMatrix();
+
+		return;
+	}*/
+	
+	{
+		{
+			LLFastTimer ftm(FTM_RENDER_BLOOM_FBO);
+			mGlow[2].bindTarget();
+			mGlow[2].clear();
+		}
+		
+		gGlowExtractProgram.bind();
+		F32 minLum = llmax(gSavedSettings.getF32("RenderGlowMinLuminance"), 0.0f);
+		F32 maxAlpha = gSavedSettings.getF32("RenderGlowMaxExtractAlpha");		
+		F32 warmthAmount = gSavedSettings.getF32("RenderGlowWarmthAmount");	
+		LLVector3 lumWeights = gSavedSettings.getVector3("RenderGlowLumWeights");
+		LLVector3 warmthWeights = gSavedSettings.getVector3("RenderGlowWarmthWeights");
+		gGlowExtractProgram.uniform1f("minLuminance", minLum);
+		gGlowExtractProgram.uniform1f("maxExtractAlpha", maxAlpha);
+		gGlowExtractProgram.uniform3f("lumWeights", lumWeights.mV[0], lumWeights.mV[1], lumWeights.mV[2]);
+		gGlowExtractProgram.uniform3f("warmthWeights", warmthWeights.mV[0], warmthWeights.mV[1], warmthWeights.mV[2]);
+		gGlowExtractProgram.uniform1f("warmthAmount", warmthAmount);
+		LLGLEnable blend_on(GL_BLEND);
+		LLGLEnable test(GL_ALPHA_TEST);
+		gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
+		gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);
+		
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);		
+		gGL.getTexUnit(0)->disable();
+		gGL.getTexUnit(0)->enable(LLTexUnit::TT_RECT_TEXTURE);
+		gGL.getTexUnit(0)->bind(&mScreen);
+
+		gGL.color4f(1,1,1,1);
+		gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));
+		gGL.begin(LLRender::TRIANGLE_STRIP);
+		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+		gGL.vertex2f(-1,-1);
+		
+		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+		gGL.vertex2f(-1,3);
+		
+		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+		gGL.vertex2f(3,-1);
+		
+		gGL.end();
+		
+		gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+
+		mGlow[2].flush();
+	}
+
+	tc1.setVec(0,0);
+	tc2.setVec(2,2);
+
+	// power of two between 1 and 1024
+	U32 glowResPow = gSavedSettings.getS32("RenderGlowResolutionPow");
+	const U32 glow_res = llmax(1, 
+		llmin(1024, 1 << glowResPow));
+
+	S32 kernel = gSavedSettings.getS32("RenderGlowIterations")*2;
+	F32 delta = gSavedSettings.getF32("RenderGlowWidth") / glow_res;
+	// Use half the glow width if we have the res set to less than 9 so that it looks
+	// almost the same in either case.
+	if (glowResPow < 9)
+	{
+		delta *= 0.5f;
+	}
+	F32 strength = gSavedSettings.getF32("RenderGlowStrength");
+
+	gGlowProgram.bind();
+	gGlowProgram.uniform1f("glowStrength", strength);
+
+	for (S32 i = 0; i < kernel; i++)
+	{
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		{
+			LLFastTimer ftm(FTM_RENDER_BLOOM_FBO);
+			mGlow[i%2].bindTarget();
+			mGlow[i%2].clear();
+		}
+			
+		if (i == 0)
+		{
+			gGL.getTexUnit(0)->bind(&mGlow[2]);
+		}
+		else
+		{
+			gGL.getTexUnit(0)->bind(&mGlow[(i-1)%2]);
+		}
+
+		if (i%2 == 0)
+		{
+			gGlowProgram.uniform2f("glowDelta", delta, 0);
+		}
+		else
+		{
+			gGlowProgram.uniform2f("glowDelta", 0, delta);
+		}
+
+		gGL.begin(LLRender::TRIANGLE_STRIP);
+		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+		gGL.vertex2f(-1,-1);
+		
+		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+		gGL.vertex2f(-1,3);
+		
+		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+		gGL.vertex2f(3,-1);
+		
+		gGL.end();
+		
+		mGlow[i%2].flush();
+	}
+
+	gGlowProgram.unbind();
+
+	if (LLRenderTarget::sUseFBO)
+	{
+		LLFastTimer ftm(FTM_RENDER_BLOOM_FBO);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	}
+
+	gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;
+	gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;
+	gGLViewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();
+	gGLViewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();
+	glViewport(gGLViewport[0], gGLViewport[1], gGLViewport[2], gGLViewport[3]);
+
+	tc2.setVec((F32) gViewerWindow->getWorldViewWidthRaw(),
+			(F32) gViewerWindow->getWorldViewHeightRaw());
+
+	gGL.flush();
+	
+	LLVertexBuffer::unbind();
+
+	if (LLPipeline::sRenderDeferred)
+	{
+		LLGLSLShader* shader = &gDeferredPostProgram;
+		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)
+		{
+			shader = &gDeferredGIFinalProgram;
+		}
+		
+		LLGLDisable blend(GL_BLEND);
+		bindDeferredShader(*shader);
+
+		//depth of field focal plane calculations
+
+		F32 subject_distance = 16.f;
+		if (LLViewerJoystick::getInstance()->getOverrideCamera())
+		{
+			//flycam mode, use mouse cursor as focus point
+			LLVector3 eye = LLViewerCamera::getInstance()->getOrigin();
+			subject_distance = (eye-gDebugRaycastIntersection).magVec();
+		}
+		else
+		{
+			LLViewerObject* obj = gAgentCamera.getFocusObject();
+			if (obj)
+			{
+				LLVector3 focus = LLVector3(gAgentCamera.getFocusGlobal()-gAgent.getRegion()->getOriginGlobal());
+				LLVector3 eye = LLViewerCamera::getInstance()->getOrigin();
+				subject_distance = (focus-eye).magVec();
+			}
+		}
+
+		//convert to mm
+		subject_distance *= 1000.f;
+		F32 fnumber = gSavedSettings.getF32("CameraFNumber");
+		const F32 default_focal_length = gSavedSettings.getF32("CameraFocalLength");
+		
+		F32 fov = LLViewerCamera::getInstance()->getView();
+		
+		const F32 default_fov = gSavedSettings.getF32("CameraFieldOfView") * F_PI/180.f;
+		//const F32 default_aspect_ratio = gSavedSettings.getF32("CameraAspectRatio");
+		
+		//F32 aspect_ratio = (F32) mScreen.getWidth()/(F32)mScreen.getHeight();
+		
+		F32 dv = 2.f*default_focal_length * tanf(default_fov/2.f);
+		//F32 dh = 2.f*default_focal_length * tanf(default_fov*default_aspect_ratio/2.f);
+
+		F32 focal_length = dv/(2*tanf(fov/2.f));
+		 
+		//F32 tan_pixel_angle = tanf(LLDrawable::sCurPixelAngle);
+	
+		// from wikipedia -- c = |s2-s1|/s2 * f^2/(N(S1-f))
+		// where	 N = fnumber
+		//			 s2 = dot distance
+		//			 s1 = subject distance
+		//			 f = focal length
+		//	
+
+		F32 blur_constant = focal_length*focal_length/(fnumber*(subject_distance-focal_length));
+		blur_constant /= 1000.f; //convert to meters for shader
+		F32 magnification = focal_length/(subject_distance-focal_length);
+
+		shader->uniform1f("focal_distance", -subject_distance/1000.f);
+		shader->uniform1f("blur_constant", blur_constant);
+		shader->uniform1f("tan_pixel_angle", tanf(1.f/LLDrawable::sCurPixelAngle));
+		shader->uniform1f("magnification", magnification);
+
+		S32 channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);
+		if (channel > -1)
+		{
+			mScreen.bindTexture(0, channel);
+			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		//channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);
+		//if (channel > -1)
+		//{
+			//gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		//}
+
+		gGL.begin(LLRender::TRIANGLE_STRIP);
+		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+		gGL.vertex2f(-1,-1);
+		
+		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+		gGL.vertex2f(-1,3);
+		
+		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+		gGL.vertex2f(3,-1);
+		
+		gGL.end();
+
+		unbindDeferredShader(*shader);
+	}
+	else
+	{
+		if (res_mod > 1)
+		{
+			tc2 /= (F32) res_mod;
+		}
+
+		U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_TEXCOORD1;
+		LLPointer<LLVertexBuffer> buff = new LLVertexBuffer(mask, 0);
+		buff->allocateBuffer(3,0,TRUE);
+
+		LLStrider<LLVector3> v;
+		LLStrider<LLVector2> uv1;
+		LLStrider<LLVector2> uv2;
+
+		buff->getVertexStrider(v);
+		buff->getTexCoord0Strider(uv1);
+		buff->getTexCoord1Strider(uv2);
+		
+		uv1[0] = LLVector2(0, 0);
+		uv1[1] = LLVector2(0, 2);
+		uv1[2] = LLVector2(2, 0);
+		
+		uv2[0] = LLVector2(0, 0);
+		uv2[1] = LLVector2(0, tc2.mV[1]*2.f);
+		uv2[2] = LLVector2(tc2.mV[0]*2.f, 0);
+		
+		v[0] = LLVector3(-1,-1,0);
+		v[1] = LLVector3(-1,3,0);
+		v[2] = LLVector3(3,-1,0);
+				
+		buff->setBuffer(0);
+
+		LLGLDisable blend(GL_BLEND);
+
+		//tex unit 0
+		gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_COLOR);
+	
+		gGL.getTexUnit(0)->bind(&mGlow[1]);
+		gGL.getTexUnit(1)->activate();
+		gGL.getTexUnit(1)->enable(LLTexUnit::TT_RECT_TEXTURE);
+
+
+		//tex unit 1
+		gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_ADD, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_PREV_COLOR);
+		
+		gGL.getTexUnit(1)->bind(&mScreen);
+		gGL.getTexUnit(1)->activate();
+		
+		LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);
+		
+		buff->setBuffer(mask);
+		buff->drawArrays(LLRender::TRIANGLE_STRIP, 0, 3);
+		
+		gGL.getTexUnit(1)->disable();
+		gGL.getTexUnit(1)->setTextureBlendType(LLTexUnit::TB_MULT);
+
+		gGL.getTexUnit(0)->activate();
+		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	}
+
+	if (LLRenderTarget::sUseFBO)
+	{ //copy depth buffer from mScreen to framebuffer
+		LLRenderTarget::copyContentsToFramebuffer(mScreen, 0, 0, mScreen.getWidth(), mScreen.getHeight(), 
+			0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);
+	}
+	
+	gGL.setSceneBlendType(LLRender::BT_ALPHA);
+
+	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))
+	{
+		LLVector2 tc1(0,0);
+		LLVector2 tc2((F32) gViewerWindow->getWorldViewWidthRaw()*2,
+				  (F32) gViewerWindow->getWorldViewHeightRaw()*2);
+
+		LLGLEnable blend(GL_BLEND);
+		gGL.color4f(1,1,1,0.75f);
+
+		gGL.getTexUnit(0)->bind(&mPhysicsDisplay);
+
+		gGL.begin(LLRender::TRIANGLE_STRIP);
+		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+		gGL.vertex2f(-1,-1);
+		
+		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+		gGL.vertex2f(-1,3);
+		
+		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+		gGL.vertex2f(3,-1);
+		
+		gGL.end();
+		gGL.flush();
+	}
+
+	glMatrixMode(GL_PROJECTION);
+	glPopMatrix();
+	glMatrixMode(GL_MODELVIEW);
+	glPopMatrix();
+
+	LLVertexBuffer::unbind();
+
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+
+}
+
+static LLFastTimer::DeclareTimer FTM_BIND_DEFERRED("Bind Deferred");
+
+void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, LLRenderTarget* gi_source, LLRenderTarget* last_gi_post, U32 noise_map)
+{
+	LLFastTimer t(FTM_BIND_DEFERRED);
+
+	if (noise_map == 0xFFFFFFFF)
+	{
+		noise_map = mNoiseMap;
+	}
+
+	LLGLState::checkTextureChannels();
+
+	shader.bind();
+	S32 channel = 0;
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		mDeferredScreen.bindTexture(0,channel);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SPECULAR, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		mDeferredScreen.bindTexture(1, channel);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_NORMAL, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		mDeferredScreen.bindTexture(2, channel);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+	if (gi_source)
+	{
+		BOOL has_gi = FALSE;
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_DIFFUSE);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			gi_source->bindTexture(0, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_SPECULAR);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			gi_source->bindTexture(1, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_NORMAL);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			gi_source->bindTexture(2, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_MIN_POS);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			gi_source->bindTexture(1, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_MAX_POS);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			gi_source->bindTexture(3, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_DIFFUSE);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			last_gi_post->bindTexture(0, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_NORMAL);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			last_gi_post->bindTexture(2, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_MAX_POS);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			last_gi_post->bindTexture(1, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_MIN_POS);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			last_gi_post->bindTexture(3, channel);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+		}
+		
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_DEPTH);
+		if (channel > -1)
+		{
+			has_gi = TRUE;
+			gGL.getTexUnit(channel)->bind(gi_source, TRUE);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+			stop_glerror();
+			
+			glTexParameteri(LLTexUnit::getInternalType(mGIMap.getUsage()), GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);		
+			glTexParameteri(LLTexUnit::getInternalType(mGIMap.getUsage()), GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA);		
+
+			stop_glerror();
+		}
+
+		if (has_gi)
+		{
+			F32 range_x = llmin(mGIRange.mV[0], 1.f);
+			F32 range_y = llmin(mGIRange.mV[1], 1.f);
+
+			LLVector2 scale(range_x,range_y);
+
+			LLVector2 kern[25];
+
+			for (S32 i = 0; i < 5; ++i)
+			{
+				for (S32 j = 0; j < 5; ++j)
+				{
+					S32 idx = i*5+j;
+					kern[idx].mV[0] = (i-2)*0.5f;
+					kern[idx].mV[1] = (j-2)*0.5f;
+					kern[idx].scaleVec(scale);
+				}
+			}
+
+			shader.uniform2fv("gi_kern", 25, (F32*) kern);
+			shader.uniformMatrix4fv("gi_mat", 1, FALSE, mGIMatrix.m);
+			shader.uniformMatrix4fv("gi_mat_proj", 1, FALSE, mGIMatrixProj.m);
+			shader.uniformMatrix4fv("gi_inv_proj", 1, FALSE, mGIInvProj.m);
+			shader.uniformMatrix4fv("gi_norm_mat", 1, FALSE, mGINormalMatrix.m);
+		}
+	}
+	
+	/*channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_POSITION, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		mDeferredScreen.bindTexture(3, channel);
+	}*/
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		gGL.getTexUnit(channel)->bind(&mDeferredDepth, TRUE);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+		stop_glerror();
+		
+		glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);		
+		glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA);		
+
+		stop_glerror();
+
+		glh::matrix4f projection = glh_get_current_projection();
+		glh::matrix4f inv_proj = projection.inverse();
+		
+		shader.uniformMatrix4fv("inv_proj", 1, FALSE, inv_proj.m);
+		shader.uniform4f("viewport", (F32) gGLViewport[0],
+									(F32) gGLViewport[1],
+									(F32) gGLViewport[2],
+									(F32) gGLViewport[3]);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_NOISE);
+	if (channel > -1)
+	{
+		gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, noise_map);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LIGHTFUNC);
+	if (channel > -1)
+	{
+		gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);
+	}
+
+	stop_glerror();
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		mDeferredLight[light_index].bindTexture(0, channel);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LUMINANCE);
+	if (channel > -1)
+	{
+		gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mLuminanceMap.getTexture(), true);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_BLOOM);
+	if (channel > -1)
+	{
+		mGlow[1].bindTexture(0, channel);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_GI_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		gi_source->bindTexture(0, channel);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_EDGE, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		mEdgeMap.bindTexture(0, channel);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SUN_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		mDeferredLight[1].bindTexture(0, channel);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LOCAL_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	if (channel > -1)
+	{
+		mDeferredLight[2].bindTexture(0, channel);
+		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+	}
+
+
+	stop_glerror();
+
+	for (U32 i = 0; i < 4; i++)
+	{
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SHADOW0+i, LLTexUnit::TT_RECT_TEXTURE);
+		stop_glerror();
+		if (channel > -1)
+		{
+			stop_glerror();
+			gGL.getTexUnit(channel)->bind(&mShadow[i], TRUE);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+			gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
+			stop_glerror();
+			
+			glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
+			glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);
+			stop_glerror();
+		}
+	}
+
+	for (U32 i = 4; i < 6; i++)
+	{
+		channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SHADOW0+i);
+		stop_glerror();
+		if (channel > -1)
+		{
+			stop_glerror();
+			gGL.getTexUnit(channel)->bind(&mShadow[i], TRUE);
+			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+			gGL.getTexUnit(channel)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
+			stop_glerror();
+			
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);
+			stop_glerror();
+		}
+	}
+
+	stop_glerror();
+
+	F32 mat[16*6];
+	for (U32 i = 0; i < 16; i++)
+	{
+		mat[i] = mSunShadowMatrix[0].m[i];
+		mat[i+16] = mSunShadowMatrix[1].m[i];
+		mat[i+32] = mSunShadowMatrix[2].m[i];
+		mat[i+48] = mSunShadowMatrix[3].m[i];
+		mat[i+64] = mSunShadowMatrix[4].m[i];
+		mat[i+80] = mSunShadowMatrix[5].m[i];
+	}
+
+	shader.uniformMatrix4fv("shadow_matrix[0]", 6, FALSE, mat);
+	shader.uniformMatrix4fv("shadow_matrix", 6, FALSE, mat);
+
+	stop_glerror();
+
+	channel = shader.enableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
+	if (channel > -1)
+	{
+		LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;
+		if (cube_map)
+		{
+			cube_map->enable(channel);
+			cube_map->bind();
+			F64* m = gGLModelView;
+
+			
+			F32 mat[] = { m[0], m[1], m[2],
+						  m[4], m[5], m[6],
+						  m[8], m[9], m[10] };
+		
+			shader.uniform3fv("env_mat[0]", 3, mat);
+			shader.uniform3fv("env_mat", 3, mat);
+		}
+	}
+
+	shader.uniform4fv("shadow_clip", 1, mSunClipPlanes.mV);
+	shader.uniform1f("sun_wash", gSavedSettings.getF32("RenderDeferredSunWash"));
+	shader.uniform1f("shadow_noise", gSavedSettings.getF32("RenderShadowNoise"));
+	shader.uniform1f("blur_size", gSavedSettings.getF32("RenderShadowBlurSize"));
+
+	shader.uniform1f("ssao_radius", gSavedSettings.getF32("RenderSSAOScale"));
+	shader.uniform1f("ssao_max_radius", gSavedSettings.getU32("RenderSSAOMaxScale"));
+
+	F32 ssao_factor = gSavedSettings.getF32("RenderSSAOFactor");
+	shader.uniform1f("ssao_factor", ssao_factor);
+	shader.uniform1f("ssao_factor_inv", 1.0/ssao_factor);
+
+	LLVector3 ssao_effect = gSavedSettings.getVector3("RenderSSAOEffect");
+	F32 matrix_diag = (ssao_effect[0] + 2.0*ssao_effect[1])/3.0;
+	F32 matrix_nondiag = (ssao_effect[0] - ssao_effect[1])/3.0;
+	// This matrix scales (proj of color onto <1/rt(3),1/rt(3),1/rt(3)>) by
+	// value factor, and scales remainder by saturation factor
+	F32 ssao_effect_mat[] = {	matrix_diag, matrix_nondiag, matrix_nondiag,
+								matrix_nondiag, matrix_diag, matrix_nondiag,
+								matrix_nondiag, matrix_nondiag, matrix_diag};
+	shader.uniformMatrix3fv("ssao_effect_mat", 1, GL_FALSE, ssao_effect_mat);
+
+	F32 shadow_offset_error = 1.f + gSavedSettings.getF32("RenderShadowOffsetError") * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2]);
+	F32 shadow_bias_error = 1.f + gSavedSettings.getF32("RenderShadowBiasError") * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2]);
+
+	shader.uniform2f("screen_res", mDeferredScreen.getWidth(), mDeferredScreen.getHeight());
+	shader.uniform1f("near_clip", LLViewerCamera::getInstance()->getNear()*2.f);
+	shader.uniform1f ("shadow_offset", gSavedSettings.getF32("RenderShadowOffset")*shadow_offset_error);
+	shader.uniform1f("shadow_bias", gSavedSettings.getF32("RenderShadowBias")*shadow_bias_error);
+	shader.uniform1f ("spot_shadow_offset", gSavedSettings.getF32("RenderSpotShadowOffset"));
+	shader.uniform1f("spot_shadow_bias", gSavedSettings.getF32("RenderSpotShadowBias"));	
+
+	shader.uniform1f("lum_scale", gSavedSettings.getF32("RenderLuminanceScale"));
+	shader.uniform1f("sun_lum_scale", gSavedSettings.getF32("RenderSunLuminanceScale"));
+	shader.uniform1f("sun_lum_offset", gSavedSettings.getF32("RenderSunLuminanceOffset"));
+	shader.uniform1f("lum_lod", gSavedSettings.getF32("RenderLuminanceDetail"));
+	shader.uniform1f("gi_range", gSavedSettings.getF32("RenderGIRange"));
+	shader.uniform1f("gi_brightness", gSavedSettings.getF32("RenderGIBrightness"));
+	shader.uniform1f("gi_luminance", gSavedSettings.getF32("RenderGILuminance"));
+	shader.uniform1f("gi_edge_weight", gSavedSettings.getF32("RenderGIBlurEdgeWeight"));
+	shader.uniform1f("gi_blur_brightness", gSavedSettings.getF32("RenderGIBlurBrightness"));
+	shader.uniform1f("gi_sample_width", mGILightRadius);
+	shader.uniform1f("gi_noise", gSavedSettings.getF32("RenderGINoise"));
+	shader.uniform1f("gi_attenuation", gSavedSettings.getF32("RenderGIAttenuation"));
+	shader.uniform1f("gi_ambiance", gSavedSettings.getF32("RenderGIAmbiance"));
+	shader.uniform2f("shadow_res", mShadow[0].getWidth(), mShadow[0].getHeight());
+	shader.uniform2f("proj_shadow_res", mShadow[4].getWidth(), mShadow[4].getHeight());
+	shader.uniform1f("depth_cutoff", gSavedSettings.getF32("RenderEdgeDepthCutoff"));
+	shader.uniform1f("norm_cutoff", gSavedSettings.getF32("RenderEdgeNormCutoff"));
+	
+
+	if (shader.getUniformLocation("norm_mat") >= 0)
+	{
+		glh::matrix4f norm_mat = glh_get_current_modelview().inverse().transpose();
+		shader.uniformMatrix4fv("norm_mat", 1, FALSE, norm_mat.m);
+	}
+}
+
+static LLFastTimer::DeclareTimer FTM_GI_TRACE("Trace");
+static LLFastTimer::DeclareTimer FTM_GI_GATHER("Gather");
+static LLFastTimer::DeclareTimer FTM_SUN_SHADOW("Shadow Map");
+static LLFastTimer::DeclareTimer FTM_SOFTEN_SHADOW("Shadow Soften");
+static LLFastTimer::DeclareTimer FTM_EDGE_DETECTION("Find Edges");
+static LLFastTimer::DeclareTimer FTM_LOCAL_LIGHTS("Local Lights");
+static LLFastTimer::DeclareTimer FTM_ATMOSPHERICS("Atmospherics");
+static LLFastTimer::DeclareTimer FTM_FULLSCREEN_LIGHTS("Fullscreen Lights");
+static LLFastTimer::DeclareTimer FTM_PROJECTORS("Projectors");
+static LLFastTimer::DeclareTimer FTM_POST("Post");
+
+
+void LLPipeline::renderDeferredLighting()
+{
+	if (!sCull)
+	{
+		return;
+	}
+
+	{
+		LLFastTimer ftm(FTM_RENDER_DEFERRED);
+
+		LLViewerCamera* camera = LLViewerCamera::getInstance();
+		{
+			LLGLDepthTest depth(GL_TRUE);
+			mDeferredDepth.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),
+							0, 0, mDeferredDepth.getWidth(), mDeferredDepth.getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);	
+		}
+
+		LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);
+
+		if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
+		{
+			gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
+		}
+
+		//ati doesn't seem to love actually using the stencil buffer on FBO's
+		LLGLEnable stencil(GL_STENCIL_TEST);
+		glStencilFunc(GL_EQUAL, 1, 0xFFFFFFFF);
+		glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+
+		gGL.setColorMask(true, true);
+		
+		//draw a cube around every light
+		LLVertexBuffer::unbind();
+
+		LLGLEnable cull(GL_CULL_FACE);
+		LLGLEnable blend(GL_BLEND);
+
+		glh::matrix4f mat = glh_copy_matrix(gGLModelView);
+
+		F32 vert[] = 
+		{
+			-1,1,
+			-1,-3,
+			3,1,
+		};
+		glVertexPointer(2, GL_FLOAT, 0, vert);
+		glColor3f(1,1,1);
+
+		{
+			setupHWLights(NULL); //to set mSunDir;
+			LLVector4 dir(mSunDir, 0.f);
+			glh::vec4f tc(dir.mV);
+			mat.mult_matrix_vec(tc);
+			glTexCoord4f(tc.v[0], tc.v[1], tc.v[2], 0);
+		}
+
+		glPushMatrix();
+		glLoadIdentity();
+		glMatrixMode(GL_PROJECTION);
+		glPushMatrix();
+		glLoadIdentity();
+
+		if (gSavedSettings.getBOOL("RenderDeferredSSAO") || gSavedSettings.getS32("RenderShadowDetail") > 0)
+		{
+			mDeferredLight[0].bindTarget();
+			{ //paint shadow/SSAO light map (direct lighting lightmap)
+				LLFastTimer ftm(FTM_SUN_SHADOW);
+				bindDeferredShader(gDeferredSunProgram, 0);
+
+				glClearColor(1,1,1,1);
+				mDeferredLight[0].clear(GL_COLOR_BUFFER_BIT);
+				glClearColor(0,0,0,0);
+
+				glh::matrix4f inv_trans = glh_get_current_modelview().inverse().transpose();
+
+				const U32 slice = 32;
+				F32 offset[slice*3];
+				for (U32 i = 0; i < 4; i++)
+				{
+					for (U32 j = 0; j < 8; j++)
+					{
+						glh::vec3f v;
+						v.set_value(sinf(6.284f/8*j), cosf(6.284f/8*j), -(F32) i);
+						v.normalize();
+						inv_trans.mult_matrix_vec(v);
+						v.normalize();
+						offset[(i*8+j)*3+0] = v.v[0];
+						offset[(i*8+j)*3+1] = v.v[2];
+						offset[(i*8+j)*3+2] = v.v[1];
+					}
+				}
+
+				gDeferredSunProgram.uniform3fv("offset", slice, offset);
+				gDeferredSunProgram.uniform2f("screenRes", mDeferredLight[0].getWidth(), mDeferredLight[0].getHeight());
+				
+				{
+					LLGLDisable blend(GL_BLEND);
+					LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
+					stop_glerror();
+					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+					stop_glerror();
+				}
+				
+				unbindDeferredShader(gDeferredSunProgram);
+			}
+			mDeferredLight[0].flush();
+		}
+		
+		{ //global illumination specific block (still experimental)
+			if (gSavedSettings.getBOOL("RenderDeferredBlurLight") &&
+			    gSavedSettings.getBOOL("RenderDeferredGI"))
+			{
+				LLFastTimer ftm(FTM_EDGE_DETECTION);
+				//generate edge map
+				LLGLDisable blend(GL_BLEND);
+				LLGLDisable test(GL_ALPHA_TEST);
+				LLGLDepthTest depth(GL_FALSE);
+				LLGLDisable stencil(GL_STENCIL_TEST);
+
+				{
+					gDeferredEdgeProgram.bind();
+					mEdgeMap.bindTarget();
+					bindDeferredShader(gDeferredEdgeProgram);
+					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+					unbindDeferredShader(gDeferredEdgeProgram);
+					mEdgeMap.flush();
+				}
+			}
+
+			if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)
+			{
+				{ //get luminance map from previous frame's light map
+					LLGLEnable blend(GL_BLEND);
+					LLGLDisable test(GL_ALPHA_TEST);
+					LLGLDepthTest depth(GL_FALSE);
+					LLGLDisable stencil(GL_STENCIL_TEST);
+
+					//static F32 fade = 1.f;
+
+					{
+						gGL.setSceneBlendType(LLRender::BT_ALPHA);
+						gLuminanceGatherProgram.bind();
+						gLuminanceGatherProgram.uniform2f("screen_res", mDeferredLight[0].getWidth(), mDeferredLight[0].getHeight());
+						mLuminanceMap.bindTarget();
+						bindDeferredShader(gLuminanceGatherProgram);
+						glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+						unbindDeferredShader(gLuminanceGatherProgram);
+						mLuminanceMap.flush();
+						gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLuminanceMap.getTexture(), true);
+						gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);
+						glGenerateMipmap(GL_TEXTURE_2D);
+					}
+				}
+
+				{ //paint noisy GI map (bounce lighting lightmap)
+					LLFastTimer ftm(FTM_GI_TRACE);
+					LLGLDisable blend(GL_BLEND);
+					LLGLDepthTest depth(GL_FALSE);
+					LLGLDisable test(GL_ALPHA_TEST);
+
+					mGIMapPost[0].bindTarget();
+
+					bindDeferredShader(gDeferredGIProgram, 0, &mGIMap, 0, mTrueNoiseMap);
+					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+					unbindDeferredShader(gDeferredGIProgram);
+					mGIMapPost[0].flush();
+				}
+
+				U32 pass_count = 0;
+				if (gSavedSettings.getBOOL("RenderDeferredBlurLight"))
+				{
+					pass_count = llclamp(gSavedSettings.getU32("RenderGIBlurPasses"), (U32) 1, (U32) 128);
+				}
+
+				for (U32 i = 0; i < pass_count; ++i)
+				{ //gather/soften indirect lighting map
+					LLFastTimer ftm(FTM_GI_GATHER);
+					bindDeferredShader(gDeferredPostGIProgram, 0, &mGIMapPost[0], NULL, mTrueNoiseMap);
+					F32 blur_size = gSavedSettings.getF32("RenderGIBlurSize")/((F32) i * gSavedSettings.getF32("RenderGIBlurIncrement")+1.f);
+					gDeferredPostGIProgram.uniform2f("delta", 1.f, 0.f);
+					gDeferredPostGIProgram.uniform1f("kern_scale", blur_size);
+					gDeferredPostGIProgram.uniform1f("gi_blur_brightness", gSavedSettings.getF32("RenderGIBlurBrightness"));
+				
+					mGIMapPost[1].bindTarget();
+					{
+						LLGLDisable blend(GL_BLEND);
+						LLGLDepthTest depth(GL_FALSE);
+						stop_glerror();
+						glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+						stop_glerror();
+					}
+					
+					mGIMapPost[1].flush();
+					unbindDeferredShader(gDeferredPostGIProgram);
+					bindDeferredShader(gDeferredPostGIProgram, 0, &mGIMapPost[1], NULL, mTrueNoiseMap);
+					mGIMapPost[0].bindTarget();
+
+					gDeferredPostGIProgram.uniform2f("delta", 0.f, 1.f);
+
+					{
+						LLGLDisable blend(GL_BLEND);
+						LLGLDepthTest depth(GL_FALSE);
+						stop_glerror();
+						glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+						stop_glerror();
+					}
+					mGIMapPost[0].flush();
+					unbindDeferredShader(gDeferredPostGIProgram);
+				}
+			}
+		}
+
+		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
+		{ //soften direct lighting lightmap
+			LLFastTimer ftm(FTM_SOFTEN_SHADOW);
+			//blur lightmap
+			mDeferredLight[1].bindTarget();
+
+			glClearColor(1,1,1,1);
+			mDeferredLight[1].clear(GL_COLOR_BUFFER_BIT);
+			glClearColor(0,0,0,0);
+			
+			bindDeferredShader(gDeferredBlurLightProgram);
+
+			LLVector3 go = gSavedSettings.getVector3("RenderShadowGaussian");
+			const U32 kern_length = 4;
+			F32 blur_size = gSavedSettings.getF32("RenderShadowBlurSize");
+			F32 dist_factor = gSavedSettings.getF32("RenderShadowBlurDistFactor");
+
+			// sample symmetrically with the middle sample falling exactly on 0.0
+			F32 x = 0.f;
+
+			LLVector3 gauss[32]; // xweight, yweight, offset
+
+			for (U32 i = 0; i < kern_length; i++)
+			{
+				gauss[i].mV[0] = llgaussian(x, go.mV[0]);
+				gauss[i].mV[1] = llgaussian(x, go.mV[1]);
+				gauss[i].mV[2] = x;
+				x += 1.f;
+			}
+
+			gDeferredBlurLightProgram.uniform2f("delta", 1.f, 0.f);
+			gDeferredBlurLightProgram.uniform1f("dist_factor", dist_factor);
+			gDeferredBlurLightProgram.uniform3fv("kern", kern_length, gauss[0].mV);
+			gDeferredBlurLightProgram.uniform1f("kern_scale", blur_size * (kern_length/2.f - 0.5f));
+		
+			{
+				LLGLDisable blend(GL_BLEND);
+				LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
+				stop_glerror();
+				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+				stop_glerror();
+			}
+			
+			mDeferredLight[1].flush();
+			unbindDeferredShader(gDeferredBlurLightProgram);
+
+			bindDeferredShader(gDeferredBlurLightProgram, 1);
+			mDeferredLight[0].bindTarget();
+
+			gDeferredBlurLightProgram.uniform2f("delta", 0.f, 1.f);
+
+			{
+				LLGLDisable blend(GL_BLEND);
+				LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
+				stop_glerror();
+				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+				stop_glerror();
+			}
+			mDeferredLight[0].flush();
+			unbindDeferredShader(gDeferredBlurLightProgram);
+		}
+
+		stop_glerror();
+		glPopMatrix();
+		stop_glerror();
+		glMatrixMode(GL_MODELVIEW);
+		stop_glerror();
+		glPopMatrix();
+		stop_glerror();
+
+		//copy depth and stencil from deferred screen
+		//mScreen.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),
+		//					0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
+
+		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)
+		{
+			mDeferredLight[1].bindTarget();
+			// clear color buffer here (GI) - zeroing alpha (glow) is important or it will accumulate against sky
+			glClearColor(0,0,0,0);
+			mScreen.clear(GL_COLOR_BUFFER_BIT);
+		}
+		else
+		{
+			mScreen.bindTarget();
+			// clear color buffer here - zeroing alpha (glow) is important or it will accumulate against sky
+			glClearColor(0,0,0,0);
+			mScreen.clear(GL_COLOR_BUFFER_BIT);
+		}
+
+		if (gSavedSettings.getBOOL("RenderDeferredAtmospheric"))
+		{ //apply sunlight contribution 
+			LLFastTimer ftm(FTM_ATMOSPHERICS);
+			bindDeferredShader(gDeferredSoftenProgram, 0, &mGIMapPost[0]);	
+			{
+				LLGLDepthTest depth(GL_FALSE);
+				LLGLDisable blend(GL_BLEND);
+				LLGLDisable test(GL_ALPHA_TEST);
+
+				//full screen blit
+				glPushMatrix();
+				glLoadIdentity();
+				glMatrixMode(GL_PROJECTION);
+				glPushMatrix();
+				glLoadIdentity();
+
+				glVertexPointer(2, GL_FLOAT, 0, vert);
+				
+				glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+				
+				glPopMatrix();
+				glMatrixMode(GL_MODELVIEW);
+				glPopMatrix();
+			}
+
+			unbindDeferredShader(gDeferredSoftenProgram);
+		}
+
+		{ //render sky
+			LLGLDisable blend(GL_BLEND);
+			LLGLDisable stencil(GL_STENCIL_TEST);
+			gGL.setSceneBlendType(LLRender::BT_ALPHA);
+
+			gPipeline.pushRenderTypeMask();
+			
+			gPipeline.andRenderTypeMask(LLPipeline::RENDER_TYPE_SKY,
+										LLPipeline::RENDER_TYPE_CLOUDS,
+										LLPipeline::RENDER_TYPE_WL_SKY,
+										LLPipeline::END_RENDER_TYPES);
+								
+			
+			renderGeomPostDeferred(*LLViewerCamera::getInstance());
+			gPipeline.popRenderTypeMask();
+		}
+
+		BOOL render_local = gSavedSettings.getBOOL("RenderLocalLights");
+				
+		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)
+		{
+			mDeferredLight[1].flush();
+			mDeferredLight[2].bindTarget();
+			mDeferredLight[2].clear(GL_COLOR_BUFFER_BIT);
+		}
+
+		if (render_local)
+		{
+			gGL.setSceneBlendType(LLRender::BT_ADD);
+			std::list<LLVector4> fullscreen_lights;
+			LLDrawable::drawable_list_t spot_lights;
+			LLDrawable::drawable_list_t fullscreen_spot_lights;
+
+			for (U32 i = 0; i < 2; i++)
+			{
+				mTargetShadowSpotLight[i] = NULL;
+			}
+
+			std::list<LLVector4> light_colors;
+
+			LLVertexBuffer::unbind();
+
+			F32 v[24];
+			glVertexPointer(3, GL_FLOAT, 0, v);
+			
+			{
+				bindDeferredShader(gDeferredLightProgram);
+				LLGLDepthTest depth(GL_TRUE, GL_FALSE);
+				for (LLDrawable::drawable_set_t::iterator iter = mLights.begin(); iter != mLights.end(); ++iter)
+				{
+					LLDrawable* drawablep = *iter;
+					
+					LLVOVolume* volume = drawablep->getVOVolume();
+					if (!volume)
+					{
+						continue;
+					}
+
+					if (volume->isAttachment())
+					{
+						if (!sRenderAttachedLights)
+						{
+							continue;
+						}
+					}
+
+
+					LLVector4a center;
+					center.load3(drawablep->getPositionAgent().mV);
+					const F32* c = center.getF32ptr();
+					F32 s = volume->getLightRadius()*1.5f;
+
+					LLColor3 col = volume->getLightColor();
+					col *= volume->getLightIntensity();
+
+					if (col.magVecSquared() < 0.001f)
+					{
+						continue;
+					}
+
+					if (s <= 0.001f)
+					{
+						continue;
+					}
+
+					LLVector4a sa;
+					sa.splat(s);
+					if (camera->AABBInFrustumNoFarClip(center, sa) == 0)
+					{
+						continue;
+					}
+
+					sVisibleLightCount++;
+
+					glh::vec3f tc(c);
+					mat.mult_matrix_vec(tc);
+					
+					//vertex positions are encoded so the 3 bits of their vertex index 
+					//correspond to their axis facing, with bit position 3,2,1 matching
+					//axis facing x,y,z, bit set meaning positive facing, bit clear 
+					//meaning negative facing
+					v[0] = c[0]-s; v[1]  = c[1]-s; v[2]  = c[2]-s;  // 0 - 0000 
+					v[3] = c[0]-s; v[4]  = c[1]-s; v[5]  = c[2]+s;  // 1 - 0001
+					v[6] = c[0]-s; v[7]  = c[1]+s; v[8]  = c[2]-s;  // 2 - 0010
+					v[9] = c[0]-s; v[10] = c[1]+s; v[11] = c[2]+s;  // 3 - 0011
+																									   
+					v[12] = c[0]+s; v[13] = c[1]-s; v[14] = c[2]-s; // 4 - 0100
+					v[15] = c[0]+s; v[16] = c[1]-s; v[17] = c[2]+s; // 5 - 0101
+					v[18] = c[0]+s; v[19] = c[1]+s; v[20] = c[2]-s; // 6 - 0110
+					v[21] = c[0]+s; v[22] = c[1]+s; v[23] = c[2]+s; // 7 - 0111
+
+					if (camera->getOrigin().mV[0] > c[0] + s + 0.2f ||
+						camera->getOrigin().mV[0] < c[0] - s - 0.2f ||
+						camera->getOrigin().mV[1] > c[1] + s + 0.2f ||
+						camera->getOrigin().mV[1] < c[1] - s - 0.2f ||
+						camera->getOrigin().mV[2] > c[2] + s + 0.2f ||
+						camera->getOrigin().mV[2] < c[2] - s - 0.2f)
+					{ //draw box if camera is outside box
+						if (render_local)
+						{
+							if (volume->isLightSpotlight())
+							{
+								drawablep->getVOVolume()->updateSpotLightPriority();
+								spot_lights.push_back(drawablep);
+								continue;
+							}
+							
+							LLFastTimer ftm(FTM_LOCAL_LIGHTS);
+							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_ptr(camera, center));
+							stop_glerror();
+						}
+					}
+					else
+					{	
+						if (volume->isLightSpotlight())
+						{
+							drawablep->getVOVolume()->updateSpotLightPriority();
+							fullscreen_spot_lights.push_back(drawablep);
+							continue;
+						}
+
+						fullscreen_lights.push_back(LLVector4(tc.v[0], tc.v[1], tc.v[2], s*s));
+						light_colors.push_back(LLVector4(col.mV[0], col.mV[1], col.mV[2], volume->getLightFalloff()*0.5f));
+					}
+				}
+				unbindDeferredShader(gDeferredLightProgram);
+			}
+
+			if (!spot_lights.empty())
+			{
+				LLGLDepthTest depth(GL_TRUE, GL_FALSE);
+				bindDeferredShader(gDeferredSpotLightProgram);
+
+				gDeferredSpotLightProgram.enableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);
+
+				for (LLDrawable::drawable_list_t::iterator iter = spot_lights.begin(); iter != spot_lights.end(); ++iter)
+				{
+					LLFastTimer ftm(FTM_PROJECTORS);
+					LLDrawable* drawablep = *iter;
+
+					LLVOVolume* volume = drawablep->getVOVolume();
+
+					LLVector4a center;
+					center.load3(drawablep->getPositionAgent().mV);
+					const F32* c = center.getF32ptr();
+					F32 s = volume->getLightRadius()*1.5f;
+
+					sVisibleLightCount++;
+
+					glh::vec3f tc(c);
+					mat.mult_matrix_vec(tc);
+					
+					setupSpotLight(gDeferredSpotLightProgram, drawablep);
+					
+					LLColor3 col = volume->getLightColor();
+					col *= volume->getLightIntensity();
+
+					//vertex positions are encoded so the 3 bits of their vertex index 
+					//correspond to their axis facing, with bit position 3,2,1 matching
+					//axis facing x,y,z, bit set meaning positive facing, bit clear 
+					//meaning negative facing
+					v[0] = c[0]-s; v[1]  = c[1]-s; v[2]  = c[2]-s;  // 0 - 0000 
+					v[3] = c[0]-s; v[4]  = c[1]-s; v[5]  = c[2]+s;  // 1 - 0001
+					v[6] = c[0]-s; v[7]  = c[1]+s; v[8]  = c[2]-s;  // 2 - 0010
+					v[9] = c[0]-s; v[10] = c[1]+s; v[11] = c[2]+s;  // 3 - 0011
+																									   
+					v[12] = c[0]+s; v[13] = c[1]-s; v[14] = c[2]-s; // 4 - 0100
+					v[15] = c[0]+s; v[16] = c[1]-s; v[17] = c[2]+s; // 5 - 0101
+					v[18] = c[0]+s; v[19] = c[1]+s; v[20] = c[2]-s; // 6 - 0110
+					v[21] = c[0]+s; v[22] = c[1]+s; v[23] = c[2]+s; // 7 - 0111
+
+					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_ptr(camera, center));
+				}
+				gDeferredSpotLightProgram.disableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);
+				unbindDeferredShader(gDeferredSpotLightProgram);
+			}
+
+			{
+				bindDeferredShader(gDeferredMultiLightProgram);
+			
+				LLGLDepthTest depth(GL_FALSE);
+
+				//full screen blit
+				glPushMatrix();
+				glLoadIdentity();
+				glMatrixMode(GL_PROJECTION);
+				glPushMatrix();
+				glLoadIdentity();
+
+				U32 count = 0;
+
+				const U32 max_count = 8;
+				LLVector4 light[max_count];
+				LLVector4 col[max_count];
+
+				glVertexPointer(2, GL_FLOAT, 0, vert);
+
+				F32 far_z = 0.f;
+
+				while (!fullscreen_lights.empty())
+				{
+					LLFastTimer ftm(FTM_FULLSCREEN_LIGHTS);
+					light[count] = fullscreen_lights.front();
+					fullscreen_lights.pop_front();
+					col[count] = light_colors.front();
+					light_colors.pop_front();
+
+					far_z = llmin(light[count].mV[2]-sqrtf(light[count].mV[3]), far_z);
+
+					count++;
+					if (count == max_count || fullscreen_lights.empty())
+					{
+						gDeferredMultiLightProgram.uniform1i("light_count", count);
+						gDeferredMultiLightProgram.uniform4fv("light", count, (GLfloat*) light);
+						gDeferredMultiLightProgram.uniform4fv("light_col", count, (GLfloat*) col);
+						gDeferredMultiLightProgram.uniform1f("far_z", far_z);
+						far_z = 0.f;
+						count = 0;
+						glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+					}
+				}
+				
+				unbindDeferredShader(gDeferredMultiLightProgram);
+
+				bindDeferredShader(gDeferredMultiSpotLightProgram);
+
+				gDeferredMultiSpotLightProgram.enableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);
+
+				for (LLDrawable::drawable_list_t::iterator iter = fullscreen_spot_lights.begin(); iter != fullscreen_spot_lights.end(); ++iter)
+				{
+					LLFastTimer ftm(FTM_PROJECTORS);
+					LLDrawable* drawablep = *iter;
+					
+					LLVOVolume* volume = drawablep->getVOVolume();
+
+					LLVector3 center = drawablep->getPositionAgent();
+					F32* c = center.mV;
+					F32 s = volume->getLightRadius()*1.5f;
+
+					sVisibleLightCount++;
+
+					glh::vec3f tc(c);
+					mat.mult_matrix_vec(tc);
+					
+					setupSpotLight(gDeferredMultiSpotLightProgram, drawablep);
+
+					LLColor3 col = volume->getLightColor();
+					col *= volume->getLightIntensity();
+
+					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);
+					glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
+				}
+
+				gDeferredMultiSpotLightProgram.disableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);
+				unbindDeferredShader(gDeferredMultiSpotLightProgram);
+
+				glPopMatrix();
+				glMatrixMode(GL_MODELVIEW);
+				glPopMatrix();
+			}
+		}
+
+		gGL.setColorMask(true, true);
+
+		if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 2)
+		{
+			mDeferredLight[2].flush();
+
+			mScreen.bindTarget();
+			mScreen.clear(GL_COLOR_BUFFER_BIT);
+		
+			gGL.setSceneBlendType(LLRender::BT_ALPHA);
+
+			{ //mix various light maps (local, sun, gi)
+				LLFastTimer ftm(FTM_POST);
+				LLGLDisable blend(GL_BLEND);
+				LLGLDisable test(GL_ALPHA_TEST);
+				LLGLDepthTest depth(GL_FALSE);
+				LLGLDisable stencil(GL_STENCIL_TEST);
+			
+				bindDeferredShader(gDeferredPostProgram, 0, &mGIMapPost[0]);
+
+				gDeferredPostProgram.bind();
+
+				LLVertexBuffer::unbind();
+
+				glVertexPointer(2, GL_FLOAT, 0, vert);
+				glColor3f(1,1,1);
+
+				glPushMatrix();
+				glLoadIdentity();
+				glMatrixMode(GL_PROJECTION);
+				glPushMatrix();
+				glLoadIdentity();
+
+				glDrawArrays(GL_TRIANGLES, 0, 3);
+
+				glPopMatrix();
+				glMatrixMode(GL_MODELVIEW);
+				glPopMatrix();
+
+				unbindDeferredShader(gDeferredPostProgram);
+			}
+		}
+	}
+
+	{ //render non-deferred geometry (alpha, fullbright, glow)
+		LLGLDisable blend(GL_BLEND);
+		LLGLDisable stencil(GL_STENCIL_TEST);
+
+		pushRenderTypeMask();
+		andRenderTypeMask(LLPipeline::RENDER_TYPE_ALPHA,
+						 LLPipeline::RENDER_TYPE_FULLBRIGHT,
+						 LLPipeline::RENDER_TYPE_VOLUME,
+						 LLPipeline::RENDER_TYPE_GLOW,
+						 LLPipeline::RENDER_TYPE_BUMP,
+						 LLPipeline::RENDER_TYPE_PASS_SIMPLE,
+						 LLPipeline::RENDER_TYPE_PASS_ALPHA,
+						 LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,
+						 LLPipeline::RENDER_TYPE_PASS_BUMP,
+						 LLPipeline::RENDER_TYPE_PASS_POST_BUMP,
+						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,
+						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,
+						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,
+						 LLPipeline::RENDER_TYPE_PASS_GLOW,
+						 LLPipeline::RENDER_TYPE_PASS_GRASS,
+						 LLPipeline::RENDER_TYPE_PASS_SHINY,
+						 LLPipeline::RENDER_TYPE_PASS_INVISIBLE,
+						 LLPipeline::RENDER_TYPE_PASS_INVISI_SHINY,
+						 LLPipeline::RENDER_TYPE_AVATAR,
+						 END_RENDER_TYPES);
+		
+		renderGeomPostDeferred(*LLViewerCamera::getInstance());
+		popRenderTypeMask();
+	}
+
+	{
+		//render highlights, etc.
+		renderHighlights();
+		mHighlightFaces.clear();
+
+		renderDebug();
+
+		LLVertexBuffer::unbind();
+
+		if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
+		{
+			// Render debugging beacons.
+			gObjectList.renderObjectBeacons();
+			LLHUDObject::renderAll();
+			gObjectList.resetObjectBeacons();
+		}
+	}
+
+	mScreen.flush();
+						
+}
+
+void LLPipeline::setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep)
+{
+	//construct frustum
+	LLVOVolume* volume = drawablep->getVOVolume();
+	LLVector3 params = volume->getSpotLightParams();
+
+	F32 fov = params.mV[0];
+	F32 focus = params.mV[1];
+
+	LLVector3 pos = drawablep->getPositionAgent();
+	LLQuaternion quat = volume->getRenderRotation();
+	LLVector3 scale = volume->getScale();
+	
+	//get near clip plane
+	LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);
+	at_axis *= quat;
+
+	LLVector3 np = pos+at_axis;
+	at_axis.normVec();
+
+	//get origin that has given fov for plane np, at_axis, and given scale
+	F32 dist = (scale.mV[1]*0.5f)/tanf(fov*0.5f);
+
+	LLVector3 origin = np - at_axis*dist;
+
+	//matrix from volume space to agent space
+	LLMatrix4 light_mat(quat, LLVector4(origin,1.f));
+
+	glh::matrix4f light_to_agent((F32*) light_mat.mMatrix);
+	glh::matrix4f light_to_screen = glh_get_current_modelview() * light_to_agent;
+
+	glh::matrix4f screen_to_light = light_to_screen.inverse();
+
+	F32 s = volume->getLightRadius()*1.5f;
+	F32 near_clip = dist;
+	F32 width = scale.mV[VX];
+	F32 height = scale.mV[VY];
+	F32 far_clip = s+dist-scale.mV[VZ];
+
+	F32 fovy = fov * RAD_TO_DEG;
+	F32 aspect = width/height;
+
+	glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,
+				0.f, 0.5f, 0.f, 0.5f,
+				0.f, 0.f, 0.5f, 0.5f,
+				0.f, 0.f, 0.f, 1.f);
+
+	glh::vec3f p1(0, 0, -(near_clip+0.01f));
+	glh::vec3f p2(0, 0, -(near_clip+1.f));
+
+	glh::vec3f screen_origin(0, 0, 0);
+
+	light_to_screen.mult_matrix_vec(p1);
+	light_to_screen.mult_matrix_vec(p2);
+	light_to_screen.mult_matrix_vec(screen_origin);
+
+	glh::vec3f n = p2-p1;
+	n.normalize();
+	
+	F32 proj_range = far_clip - near_clip;
+	glh::matrix4f light_proj = gl_perspective(fovy, aspect, near_clip, far_clip);
+	screen_to_light = trans * light_proj * screen_to_light;
+	shader.uniformMatrix4fv("proj_mat", 1, FALSE, screen_to_light.m);
+	shader.uniform1f("proj_near", near_clip);
+	shader.uniform3fv("proj_p", 1, p1.v);
+	shader.uniform3fv("proj_n", 1, n.v);
+	shader.uniform3fv("proj_origin", 1, screen_origin.v);
+	shader.uniform1f("proj_range", proj_range);
+	shader.uniform1f("proj_ambiance", params.mV[2]);
+	S32 s_idx = -1;
+
+	for (U32 i = 0; i < 2; i++)
+	{
+		if (mShadowSpotLight[i] == drawablep)
+		{
+			s_idx = i;
+		}
+	}
+
+	shader.uniform1i("proj_shadow_idx", s_idx);
+
+	if (s_idx >= 0)
+	{
+		shader.uniform1f("shadow_fade", 1.f-mSpotLightFade[s_idx]);
+	}
+	else
+	{
+		shader.uniform1f("shadow_fade", 1.f);
+	}
+
+	{
+		LLDrawable* potential = drawablep;
+		//determine if this is a good light for casting shadows
+		F32 m_pri = volume->getSpotLightPriority();
+
+		for (U32 i = 0; i < 2; i++)
+		{
+			F32 pri = 0.f;
+
+			if (mTargetShadowSpotLight[i].notNull())
+			{
+				pri = mTargetShadowSpotLight[i]->getVOVolume()->getSpotLightPriority();			
+			}
+
+			if (m_pri > pri)
+			{
+				LLDrawable* temp = mTargetShadowSpotLight[i];
+				mTargetShadowSpotLight[i] = potential;
+				potential = temp;
+				m_pri = pri;
+			}
+		}
+	}
+
+	LLViewerTexture* img = volume->getLightTexture();
+
+	S32 channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_PROJECTION);
+
+	if (channel > -1 && img)
+	{
+		gGL.getTexUnit(channel)->bind(img);
+
+		F32 lod_range = logf(img->getWidth())/logf(2.f);
+
+		shader.uniform1f("proj_focus", focus);
+		shader.uniform1f("proj_lod", lod_range);
+		shader.uniform1f("proj_ambient_lod", llclamp((proj_range-focus)/proj_range*lod_range, 0.f, 1.f));
+	}
+}
+
+void LLPipeline::unbindDeferredShader(LLGLSLShader &shader)
+{
+	stop_glerror();
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_POSITION, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_NORMAL, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_SPECULAR, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_EDGE, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_SUN_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LOCAL_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LUMINANCE);
+	shader.disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_MIP);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_BLOOM);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_NORMAL);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_DIFFUSE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_SPECULAR);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_DEPTH);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_MIN_POS);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_MAX_POS);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_NORMAL);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_DIFFUSE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_MIN_POS);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LAST_MAX_POS);
+
+	for (U32 i = 0; i < 4; i++)
+	{
+		if (shader.disableTexture(LLViewerShaderMgr::DEFERRED_SHADOW0+i, LLTexUnit::TT_RECT_TEXTURE) > -1)
+		{
+			glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
+		}
+	}
+
+	for (U32 i = 4; i < 6; i++)
+	{
+		if (shader.disableTexture(LLViewerShaderMgr::DEFERRED_SHADOW0+i) > -1)
+		{
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
+		}
+	}
+
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_NOISE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LIGHTFUNC);
+
+	S32 channel = shader.disableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
+	if (channel > -1)
+	{
+		LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;
+		if (cube_map)
+		{
+			cube_map->disable();
+		}
+	}
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	gGL.getTexUnit(0)->activate();
+	shader.unbind();
+
+	LLGLState::checkTextureChannels();
+}
+
+inline float sgn(float a)
+{
+    if (a > 0.0F) return (1.0F);
+    if (a < 0.0F) return (-1.0F);
+    return (0.0F);
+}
+
+void LLPipeline::generateWaterReflection(LLCamera& camera_in)
+{	
+	if (LLPipeline::sWaterReflections && assertInitialized() && LLDrawPoolWater::sNeedsReflectionUpdate)
+	{
+		BOOL skip_avatar_update = FALSE;
+		if (!isAgentAvatarValid() || gAgentCamera.getCameraAnimating() || gAgentCamera.getCameraMode() != CAMERA_MODE_MOUSELOOK)
+		{
+			skip_avatar_update = TRUE;
+		}
+
+		if (!skip_avatar_update)
+		{
+			gAgentAvatarp->updateAttachmentVisibility(CAMERA_MODE_THIRD_PERSON);
+		}
+		LLVertexBuffer::unbind();
+
+		LLGLState::checkStates();
+		LLGLState::checkTextureChannels();
+		LLGLState::checkClientArrays();
+
+		LLCamera camera = camera_in;
+		camera.setFar(camera.getFar()*0.87654321f);
+		LLPipeline::sReflectionRender = TRUE;
+		
+		gPipeline.pushRenderTypeMask();
+
+		glh::matrix4f projection = glh_get_current_projection();
+		glh::matrix4f mat;
+
+		stop_glerror();
+		LLPlane plane;
+
+		F32 height = gAgent.getRegion()->getWaterHeight(); 
+		F32 to_clip = fabsf(camera.getOrigin().mV[2]-height);
+		F32 pad = -to_clip*0.05f; //amount to "pad" clip plane by
+
+		//plane params
+		LLVector3 pnorm;
+		F32 pd;
+
+		S32 water_clip = 0;
+		if (!LLViewerCamera::getInstance()->cameraUnderWater())
+		{ //camera is above water, clip plane points up
+			pnorm.setVec(0,0,1);
+			pd = -height;
+			plane.setVec(pnorm, pd);
+			water_clip = -1;
+		}
+		else
+		{	//camera is below water, clip plane points down
+			pnorm = LLVector3(0,0,-1);
+			pd = height;
+			plane.setVec(pnorm, pd);
+			water_clip = 1;
+		}
+
+		if (!LLViewerCamera::getInstance()->cameraUnderWater())
+		{	//generate planar reflection map
+			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;
+
+			glh_set_current_modelview(mat);
+			glLoadMatrixf(mat.m);
+
+			LLViewerCamera::updateFrustumPlanes(camera, FALSE, TRUE);
+
+			glh::matrix4f inv_mat = mat.inverse();
+
+			glh::vec3f origin(0,0,0);
+			inv_mat.mult_matrix_vec(origin);
+
+			camera.setOrigin(origin.v);
+
+			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);
+
+					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);
+
+					//bad pop here 
+					renderGeom(camera, TRUE);
+
+					gPipeline.popRenderTypeMask();
+				}
+
+				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);	
+
+				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)
+							{
+								clearRenderTypeMask(LLPipeline::RENDER_TYPE_VOLUME, END_RENDER_TYPES);
+							}
+						}
+					}
+
+					LLGLUserClipPlane clip_plane(plane, mat, projection);
+					LLGLDisable cull(GL_CULL_FACE);
+					updateCull(camera, ref_result, 1);
+					stateSort(camera, ref_result);
+				}	
+
+				if (LLDrawPoolWater::sNeedsDistortionUpdate)
+				{
+					if (gSavedSettings.getS32("RenderReflectionDetail") > 0)
+					{
+						gPipeline.grabReferences(ref_result);
+						LLGLUserClipPlane clip_plane(plane, mat, projection);
+						renderGeom(camera);
+					}
+				}	
+
+				gPipeline.popRenderTypeMask();
+			}	
+			glCullFace(GL_BACK);
+			glPopMatrix();
+			mWaterRef.flush();
+			glh_set_current_modelview(current);
+		}
+
+		camera.setOrigin(camera_in.getOrigin());
+		//render distortion map
+		static BOOL last_update = TRUE;
+		if (last_update)
+		{
+			camera.setFar(camera_in.getFar());
+			clearRenderTypeMask(LLPipeline::RENDER_TYPE_WATER,
+								LLPipeline::RENDER_TYPE_VOIDWATER,
+								LLPipeline::RENDER_TYPE_GROUND,
+								END_RENDER_TYPES);	
+			stop_glerror();
+
+			LLPipeline::sUnderWaterRender = LLViewerCamera::getInstance()->cameraUnderWater() ? FALSE : TRUE;
+
+			if (LLPipeline::sUnderWaterRender)
+			{
+				clearRenderTypeMask(LLPipeline::RENDER_TYPE_GROUND,
+									LLPipeline::RENDER_TYPE_SKY,
+									LLPipeline::RENDER_TYPE_CLOUDS,
+									LLPipeline::RENDER_TYPE_WL_SKY,
+									END_RENDER_TYPES);		
+			}
+			LLViewerCamera::updateFrustumPlanes(camera);
+
+			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+			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)
+			{
+				//clip out geometry on the same side of water as the camera
+				mat = glh_get_current_modelview();
+				LLGLUserClipPlane clip_plane(LLPlane(-pnorm, -(pd+pad)), mat, projection);
+				static LLCullResult result;
+				updateCull(camera, result, water_clip);
+				stateSort(camera, result);
+
+				gGL.setColorMask(true, true);
+				mWaterDis.clear();
+				gGL.setColorMask(true, false);
+
+				renderGeom(camera);
+			}
+
+			LLPipeline::sUnderWaterRender = FALSE;
+			mWaterDis.flush();
+		}
+		last_update = LLDrawPoolWater::sNeedsReflectionUpdate && LLDrawPoolWater::sNeedsDistortionUpdate;
+
+		LLRenderTarget::unbindTarget();
+
+		LLPipeline::sReflectionRender = FALSE;
+
+		if (!LLRenderTarget::sUseFBO)
+		{
+			glClear(GL_DEPTH_BUFFER_BIT);
+		}
+		glClearColor(0.f, 0.f, 0.f, 0.f);
+		gViewerWindow->setup3DViewport();
+		gPipeline.popRenderTypeMask();
+		LLDrawPoolWater::sNeedsReflectionUpdate = FALSE;
+		LLDrawPoolWater::sNeedsDistortionUpdate = FALSE;
+		LLPlane npnorm(-pnorm, -pd);
+		LLViewerCamera::getInstance()->setUserClipPlane(npnorm);
+		
+		LLGLState::checkStates();
+		LLGLState::checkTextureChannels();
+		LLGLState::checkClientArrays();
+
+		if (!skip_avatar_update)
+		{
+			gAgentAvatarp->updateAttachmentVisibility(gAgentCamera.getCameraMode());
+		}
+
+		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
+	}
+}
+
+glh::matrix4f look(const LLVector3 pos, const LLVector3 dir, const LLVector3 up)
+{
+	glh::matrix4f ret;
+
+	LLVector3 dirN;
+	LLVector3 upN;
+	LLVector3 lftN;
+
+	lftN = dir % up;
+	lftN.normVec();
+	
+	upN = lftN % dir;
+	upN.normVec();
+	
+	dirN = dir;
+	dirN.normVec();
+
+	ret.m[ 0] = lftN[0];
+	ret.m[ 1] = upN[0];
+	ret.m[ 2] = -dirN[0];
+	ret.m[ 3] = 0.f;
+
+	ret.m[ 4] = lftN[1];
+	ret.m[ 5] = upN[1];
+	ret.m[ 6] = -dirN[1];
+	ret.m[ 7] = 0.f;
+
+	ret.m[ 8] = lftN[2];
+	ret.m[ 9] = upN[2];
+	ret.m[10] = -dirN[2];
+	ret.m[11] = 0.f;
+
+	ret.m[12] = -(lftN*pos);
+	ret.m[13] = -(upN*pos);
+	ret.m[14] = dirN*pos;
+	ret.m[15] = 1.f;
+
+	return ret;
+}
+
+glh::matrix4f scale_translate_to_fit(const LLVector3 min, const LLVector3 max)
+{
+	glh::matrix4f ret;
+	ret.m[ 0] = 2/(max[0]-min[0]);
+	ret.m[ 4] = 0;
+	ret.m[ 8] = 0;
+	ret.m[12] = -(max[0]+min[0])/(max[0]-min[0]);
+
+	ret.m[ 1] = 0;
+	ret.m[ 5] = 2/(max[1]-min[1]);
+	ret.m[ 9] = 0;
+	ret.m[13] = -(max[1]+min[1])/(max[1]-min[1]);
+
+	ret.m[ 2] = 0;
+	ret.m[ 6] = 0;
+	ret.m[10] = 2/(max[2]-min[2]);
+	ret.m[14] = -(max[2]+min[2])/(max[2]-min[2]);
+
+	ret.m[ 3] = 0;
+	ret.m[ 7] = 0;
+	ret.m[11] = 0;
+	ret.m[15] = 1;
+
+	return ret;
+}
+
+static LLFastTimer::DeclareTimer FTM_SHADOW_RENDER("Render Shadows");
+static LLFastTimer::DeclareTimer FTM_SHADOW_ALPHA("Alpha Shadow");
+static LLFastTimer::DeclareTimer FTM_SHADOW_SIMPLE("Simple Shadow");
+
+void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera& shadow_cam, LLCullResult &result, BOOL use_shader, BOOL use_occlusion)
+{
+	LLFastTimer t(FTM_SHADOW_RENDER);
+
+	//clip out geometry on the same side of water as the camera
+	S32 occlude = LLPipeline::sUseOcclusion;
+	if (!use_occlusion)
+	{
+		LLPipeline::sUseOcclusion = 0;
+	}
+	LLPipeline::sShadowRender = TRUE;
+	
+	U32 types[] = { LLRenderPass::PASS_SIMPLE, LLRenderPass::PASS_FULLBRIGHT, LLRenderPass::PASS_SHINY, LLRenderPass::PASS_BUMP, LLRenderPass::PASS_FULLBRIGHT_SHINY };
+	LLGLEnable cull(GL_CULL_FACE);
+
+	if (use_shader)
+	{
+		gDeferredShadowProgram.bind();
+	}
+
+	updateCull(shadow_cam, result);
+	stateSort(shadow_cam, result);
+	
+	//generate shadow map
+	glMatrixMode(GL_PROJECTION);
+	glPushMatrix();
+	glLoadMatrixf(proj.m);
+	glMatrixMode(GL_MODELVIEW);
+	glPushMatrix();
+	glLoadMatrixd(gGLModelView);
+
+	stop_glerror();
+	gGLLastMatrix = NULL;
+
+	{
+		//LLGLDepthTest depth(GL_TRUE);
+		//glClear(GL_DEPTH_BUFFER_BIT);
+	}
+
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+			
+	glColor4f(1,1,1,1);
+	
+	stop_glerror();
+
+	gGL.setColorMask(false, false);
+	
+	//glCullFace(GL_FRONT);
+
+	LLVertexBuffer::unbind();
+
+	{
+		LLFastTimer ftm(FTM_SHADOW_SIMPLE);
+		LLGLDisable test(GL_ALPHA_TEST);
+		gGL.getTexUnit(0)->disable();
+		for (U32 i = 0; i < sizeof(types)/sizeof(U32); ++i)
+		{
+			renderObjects(types[i], LLVertexBuffer::MAP_VERTEX, FALSE);
+		}
+		gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+	}
+	
+	if (use_shader)
+	{
+		gDeferredShadowProgram.unbind();
+		renderGeomShadow(shadow_cam);
+		gDeferredShadowProgram.bind();
+	}
+	else
+	{
+		renderGeomShadow(shadow_cam);
+	}
+
+	{
+		LLFastTimer ftm(FTM_SHADOW_ALPHA);
+		LLGLEnable test(GL_ALPHA_TEST);
+		gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.6f);
+		renderObjects(LLRenderPass::PASS_ALPHA_SHADOW, LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_COLOR, TRUE);
+		glColor4f(1,1,1,1);
+		renderObjects(LLRenderPass::PASS_GRASS, LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0, TRUE);
+		gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
+	}
+
+	//glCullFace(GL_BACK);
+
+	gGLLastMatrix = NULL;
+	glLoadMatrixd(gGLModelView);
+	doOcclusion(shadow_cam);
+
+	if (use_shader)
+	{
+		gDeferredShadowProgram.unbind();
+	}
+	
+	gGL.setColorMask(true, true);
+			
+	glMatrixMode(GL_PROJECTION);
+	glPopMatrix();
+	glMatrixMode(GL_MODELVIEW);
+	glPopMatrix();
+	gGLLastMatrix = NULL;
+
+	LLPipeline::sUseOcclusion = occlude;
+	LLPipeline::sShadowRender = FALSE;
+}
+
+static LLFastTimer::DeclareTimer FTM_VISIBLE_CLOUD("Visible Cloud");
+BOOL LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector3& max, std::vector<LLVector3>& fp, LLVector3 light_dir)
+{
+	LLFastTimer t(FTM_VISIBLE_CLOUD);
+	//get point cloud of intersection of frust and min, max
+
+	if (getVisibleExtents(camera, min, max))
+	{
+		return FALSE;
+	}
+
+	//get set of planes on bounding box
+	LLPlane bp[] = { 
+		LLPlane(min, LLVector3(-1,0,0)),
+		LLPlane(min, LLVector3(0,-1,0)),
+		LLPlane(min, LLVector3(0,0,-1)),
+		LLPlane(max, LLVector3(1,0,0)),
+		LLPlane(max, LLVector3(0,1,0)),
+		LLPlane(max, LLVector3(0,0,1))};
+	
+	//potential points
+	std::vector<LLVector3> pp;
+
+	//add corners of AABB
+	pp.push_back(LLVector3(min.mV[0], min.mV[1], min.mV[2]));
+	pp.push_back(LLVector3(max.mV[0], min.mV[1], min.mV[2]));
+	pp.push_back(LLVector3(min.mV[0], max.mV[1], min.mV[2]));
+	pp.push_back(LLVector3(max.mV[0], max.mV[1], min.mV[2]));
+	pp.push_back(LLVector3(min.mV[0], min.mV[1], max.mV[2]));
+	pp.push_back(LLVector3(max.mV[0], min.mV[1], max.mV[2]));
+	pp.push_back(LLVector3(min.mV[0], max.mV[1], max.mV[2]));
+	pp.push_back(LLVector3(max.mV[0], max.mV[1], max.mV[2]));
+
+	//add corners of camera frustum
+	for (U32 i = 0; i < 8; i++)
+	{
+		pp.push_back(camera.mAgentFrustum[i]);
+	}
+
+
+	//bounding box line segments
+	U32 bs[] = 
+			{
+		0,1,
+		1,3,
+		3,2,
+		2,0,
+
+		4,5,
+		5,7,
+		7,6,
+		6,4,
+
+		0,4,
+		1,5,
+		3,7,
+		2,6
+	};
+
+	for (U32 i = 0; i < 12; i++)
+	{ //for each line segment in bounding box
+		for (U32 j = 0; j < 6; j++) 
+		{ //for each plane in camera frustum
+			const LLPlane& cp = camera.getAgentPlane(j);
+			const LLVector3& v1 = pp[bs[i*2+0]];
+			const LLVector3& v2 = pp[bs[i*2+1]];
+			LLVector3 n;
+			cp.getVector3(n);
+
+			LLVector3 line = v1-v2;
+
+			F32 d1 = line*n;
+			F32 d2 = -cp.dist(v2);
+
+			F32 t = d2/d1;
+
+			if (t > 0.f && t < 1.f)
+			{
+				LLVector3 intersect = v2+line*t;
+				pp.push_back(intersect);
+			}
+		}
+	}
+			
+	//camera frustum line segments
+	const U32 fs[] =
+	{
+		0,1,
+		1,2,
+		2,3,
+		3,0,
+
+		4,5,
+		5,6,
+		6,7,
+		7,4,
+	
+		0,4,
+		1,5,
+		2,6,
+		3,7	
+	};
+
+	LLVector3 center = (max+min)*0.5f;
+	LLVector3 size = (max-min)*0.5f;
+	
+	for (U32 i = 0; i < 12; i++)
+	{
+		for (U32 j = 0; j < 6; ++j)
+		{
+			const LLVector3& v1 = pp[fs[i*2+0]+8];
+			const LLVector3& v2 = pp[fs[i*2+1]+8];
+			const LLPlane& cp = bp[j];
+			LLVector3 n;
+			cp.getVector3(n);
+
+			LLVector3 line = v1-v2;
+
+			F32 d1 = line*n;
+			F32 d2 = -cp.dist(v2);
+
+			F32 t = d2/d1;
+
+			if (t > 0.f && t < 1.f)
+			{
+				LLVector3 intersect = v2+line*t;
+				pp.push_back(intersect);
+			}	
+		}
+	}
+
+	LLVector3 ext[] = { min-LLVector3(0.05f,0.05f,0.05f),
+		max+LLVector3(0.05f,0.05f,0.05f) };
+
+	for (U32 i = 0; i < pp.size(); ++i)
+	{
+		bool found = true;
+
+		const F32* p = pp[i].mV;
+			
+		for (U32 j = 0; j < 3; ++j)
+		{
+			if (p[j] < ext[0].mV[j] ||
+				p[j] > ext[1].mV[j])
+			{
+				found = false;
+				break;
+			}
+		}
+				
+		for (U32 j = 0; j < 6; ++j)
+		{
+			const LLPlane& cp = camera.getAgentPlane(j);
+			F32 dist = cp.dist(pp[i]);
+			if (dist > 0.05f) //point is above some plane, not contained
+					{
+				found = false;
+				break;
+						}
+					}
+
+					if (found)
+					{
+			fp.push_back(pp[i]);
+		}
+	}
+	
+	if (fp.empty())
+	{
+		return FALSE;
+	}
+	
+	return TRUE;
+}
+
+void LLPipeline::generateGI(LLCamera& camera, LLVector3& lightDir, std::vector<LLVector3>& vpc)
+{
+	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) < 3)
+	{
+		return;
+	}
+
+	LLVector3 up;
+
+	//LLGLEnable depth_clamp(GL_DEPTH_CLAMP_NV);
+
+	if (lightDir.mV[2] > 0.5f)
+	{
+		up = LLVector3(1,0,0);
+	}
+	else
+	{
+		up = LLVector3(0, 0, 1);
+	}
+
+	
+	F32 gi_range = gSavedSettings.getF32("RenderGIRange");
+
+	U32 res = mGIMap.getWidth();
+
+	F32 atten = llmax(gSavedSettings.getF32("RenderGIAttenuation"), 0.001f);
+
+	//set radius to range at which distance attenuation of incoming photons is near 0
+
+	F32 lrad = sqrtf(1.f/(atten*0.01f));
+
+	F32 lrange = lrad+gi_range*0.5f;
+
+	LLVector3 pad(lrange,lrange,lrange);
+
+	glh::matrix4f view = look(LLVector3(128.f,128.f,128.f), lightDir, up);
+
+	LLVector3 cp = camera.getOrigin()+camera.getAtAxis()*(gi_range*0.5f);
+
+	glh::vec3f scp(cp.mV);
+	view.mult_matrix_vec(scp);
+	cp.setVec(scp.v);
+
+	F32 pix_width = lrange/(res*0.5f);
+
+	//move cp to the nearest pix_width
+	for (U32 i = 0; i < 3; i++)
+	{
+		cp.mV[i] = llround(cp.mV[i], pix_width);
+	}
+	
+	LLVector3 min = cp-pad;
+	LLVector3 max = cp+pad;
+	
+	//set mGIRange to range in tc space[0,1] that covers texture block of intersecting lights around a point
+	mGIRange.mV[0] = (max.mV[0]-min.mV[0])/res;
+	mGIRange.mV[1] = (max.mV[1]-min.mV[1])/res;
+	mGILightRadius = lrad/lrange*0.5f;
+
+	glh::matrix4f proj = gl_ortho(min.mV[0], max.mV[0],
+								min.mV[1], max.mV[1],
+								-max.mV[2], -min.mV[2]);
+
+	LLCamera sun_cam = camera;
+
+	glh::matrix4f eye_view = glh_get_current_modelview();
+	
+	//get eye space to camera space matrix
+	mGIMatrix = view*eye_view.inverse();
+	mGINormalMatrix = mGIMatrix.inverse().transpose();
+	mGIInvProj = proj.inverse();
+	mGIMatrixProj = proj*mGIMatrix;
+
+	//translate and scale to [0,1]
+	glh::matrix4f trans(.5f, 0.f, 0.f, .5f,
+						0.f, 0.5f, 0.f, 0.5f,
+						0.f, 0.f, 0.5f, 0.5f,
+						0.f, 0.f, 0.f, 1.f);
+
+	mGIMatrixProj = trans*mGIMatrixProj;
+
+	glh_set_current_modelview(view);
+	glh_set_current_projection(proj);
+
+	LLViewerCamera::updateFrustumPlanes(sun_cam, TRUE, FALSE, TRUE);
+
+	sun_cam.ignoreAgentFrustumPlane(LLCamera::AGENT_PLANE_NEAR);
+	static LLCullResult result;
+
+	pushRenderTypeMask();
+
+	andRenderTypeMask(LLPipeline::RENDER_TYPE_SIMPLE,
+								 LLPipeline::RENDER_TYPE_FULLBRIGHT,
+								 LLPipeline::RENDER_TYPE_BUMP,
+								 LLPipeline::RENDER_TYPE_VOLUME,
+								 LLPipeline::RENDER_TYPE_TREE, 
+								 LLPipeline::RENDER_TYPE_TERRAIN,
+								 LLPipeline::RENDER_TYPE_WATER,
+								 LLPipeline::RENDER_TYPE_VOIDWATER,
+								 LLPipeline::RENDER_TYPE_PASS_ALPHA_SHADOW,
+								 LLPipeline::RENDER_TYPE_AVATAR,
+								 LLPipeline::RENDER_TYPE_PASS_SIMPLE,
+								 LLPipeline::RENDER_TYPE_PASS_BUMP,
+								 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,
+								 LLPipeline::RENDER_TYPE_PASS_SHINY,
+								 END_RENDER_TYPES);
+
+
+	
+	S32 occlude = LLPipeline::sUseOcclusion;
+	//LLPipeline::sUseOcclusion = 0;
+	LLPipeline::sShadowRender = TRUE;
+	
+	//only render large objects into GI map
+	sMinRenderSize = gSavedSettings.getF32("RenderGIMinRenderSize");
+	
+	LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_GI_SOURCE;
+	mGIMap.bindTarget();
+	
+	F64 last_modelview[16];
+	F64 last_projection[16];
+	for (U32 i = 0; i < 16; i++)
+	{
+		last_modelview[i] = gGLLastModelView[i];
+		last_projection[i] = gGLLastProjection[i];
+		gGLLastModelView[i] = mGIModelview.m[i];
+		gGLLastProjection[i] = mGIProjection.m[i];
+	}
+
+	sun_cam.setOrigin(0.f, 0.f, 0.f);
+	updateCull(sun_cam, result);
+	stateSort(sun_cam, result);
+	
+	for (U32 i = 0; i < 16; i++)
+	{
+		gGLLastModelView[i] = last_modelview[i];
+		gGLLastProjection[i] = last_projection[i];
+	}
+
+	mGIProjection = proj;
+	mGIModelview = view;
+
+	LLGLEnable cull(GL_CULL_FACE);
+
+	//generate GI map
+	glMatrixMode(GL_PROJECTION);
+	glPushMatrix();
+	glLoadMatrixf(proj.m);
+	glMatrixMode(GL_MODELVIEW);
+	glPushMatrix();
+	glLoadMatrixf(view.m);
+
+	stop_glerror();
+	gGLLastMatrix = NULL;
+
+	mGIMap.clear();
+
+	{
+		//LLGLEnable enable(GL_DEPTH_CLAMP_NV);
+		renderGeomDeferred(camera);
+	}
+
+	mGIMap.flush();
+	
+	glMatrixMode(GL_PROJECTION);
+	glPopMatrix();
+	glMatrixMode(GL_MODELVIEW);
+	glPopMatrix();
+	gGLLastMatrix = NULL;
+
+	LLPipeline::sUseOcclusion = occlude;
+	LLPipeline::sShadowRender = FALSE;
+	sMinRenderSize = 0.f;
+
+	popRenderTypeMask();
+
+}
+
+void LLPipeline::renderHighlight(const LLViewerObject* obj, F32 fade)
+{
+	if (obj && obj->getVolume())
+	{
+		for (LLViewerObject::child_list_t::const_iterator iter = obj->getChildren().begin(); iter != obj->getChildren().end(); ++iter)
+		{
+			renderHighlight(*iter, fade);
+		}
+
+		LLDrawable* drawable = obj->mDrawable;
+		if (drawable)
+		{
+			for (S32 i = 0; i < drawable->getNumFaces(); ++i)
+			{
+				LLFace* face = drawable->getFace(i);
+				if (face)
+				{
+					face->renderSelected(LLViewerTexture::sNullImagep, LLColor4(1,1,1,fade));
+				}
+			}
+		}
+	}
+}
+
+void LLPipeline::generateHighlight(LLCamera& camera)
+{
+	//render highlighted object as white into offscreen render target
+	if (mHighlightObject.notNull())
+	{
+		mHighlightSet.insert(HighlightItem(mHighlightObject));
+	}
+	
+	if (!mHighlightSet.empty())
+	{
+		F32 transition = gFrameIntervalSeconds/gSavedSettings.getF32("RenderHighlightFadeTime");
+
+		LLGLDisable test(GL_ALPHA_TEST);
+		LLGLDepthTest depth(GL_FALSE);
+		mHighlight.bindTarget();
+		disableLights();
+		gGL.setColorMask(true, true);
+		mHighlight.clear();
+
+		gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep);
+		for (std::set<HighlightItem>::iterator iter = mHighlightSet.begin(); iter != mHighlightSet.end(); )
+		{
+			std::set<HighlightItem>::iterator cur_iter = iter++;
+
+			if (cur_iter->mItem.isNull())
+			{
+				mHighlightSet.erase(cur_iter);
+				continue;
+			}
+
+			if (cur_iter->mItem == mHighlightObject)
+			{
+				cur_iter->incrFade(transition); 
+			}
+			else
+			{
+				cur_iter->incrFade(-transition);
+				if (cur_iter->mFade <= 0.f)
+				{
+					mHighlightSet.erase(cur_iter);
+					continue;
+				}
+			}
+
+			renderHighlight(cur_iter->mItem->getVObj(), cur_iter->mFade);
+		}
+
+		mHighlight.flush();
+		gGL.setColorMask(true, false);
+		gViewerWindow->setup3DViewport();
+	}
+}
+
+
+void LLPipeline::generateSunShadow(LLCamera& camera)
+{
+	if (!sRenderDeferred || gSavedSettings.getS32("RenderShadowDetail") <= 0)
+	{
+		return;
+	}
+
+	F64 last_modelview[16];
+	F64 last_projection[16];
+	for (U32 i = 0; i < 16; i++)
+	{ //store last_modelview of world camera
+		last_modelview[i] = gGLLastModelView[i];
+		last_projection[i] = gGLLastProjection[i];
+	}
+
+	pushRenderTypeMask();
+	andRenderTypeMask(LLPipeline::RENDER_TYPE_SIMPLE,
+					LLPipeline::RENDER_TYPE_ALPHA,
+					LLPipeline::RENDER_TYPE_GRASS,
+					LLPipeline::RENDER_TYPE_FULLBRIGHT,
+					LLPipeline::RENDER_TYPE_BUMP,
+					LLPipeline::RENDER_TYPE_VOLUME,
+					LLPipeline::RENDER_TYPE_AVATAR,
+					LLPipeline::RENDER_TYPE_TREE, 
+					LLPipeline::RENDER_TYPE_TERRAIN,
+					LLPipeline::RENDER_TYPE_WATER,
+					LLPipeline::RENDER_TYPE_VOIDWATER,
+					LLPipeline::RENDER_TYPE_PASS_ALPHA_SHADOW,
+					LLPipeline::RENDER_TYPE_PASS_SIMPLE,
+					LLPipeline::RENDER_TYPE_PASS_BUMP,
+					LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,
+					LLPipeline::RENDER_TYPE_PASS_SHINY,
+					LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,
+					END_RENDER_TYPES);
+
+	gGL.setColorMask(false, false);
+
+	//get sun view matrix
+	
+	//store current projection/modelview matrix
+	glh::matrix4f saved_proj = glh_get_current_projection();
+	glh::matrix4f saved_view = glh_get_current_modelview();
+	glh::matrix4f inv_view = saved_view.inverse();
+
+	glh::matrix4f view[6];
+	glh::matrix4f proj[6];
+	
+	//clip contains parallel split distances for 3 splits
+	LLVector3 clip = gSavedSettings.getVector3("RenderShadowClipPlanes");
+
+	//F32 slope_threshold = gSavedSettings.getF32("RenderShadowSlopeThreshold");
+
+	//far clip on last split is minimum of camera view distance and 128
+	mSunClipPlanes = LLVector4(clip, clip.mV[2] * clip.mV[2]/clip.mV[1]);
+
+	clip = gSavedSettings.getVector3("RenderShadowOrthoClipPlanes");
+	mSunOrthoClipPlanes = LLVector4(clip, clip.mV[2]*clip.mV[2]/clip.mV[1]);
+
+	//currently used for amount to extrude frusta corners for constructing shadow frusta
+	LLVector3 n = gSavedSettings.getVector3("RenderShadowNearDist");
+	//F32 nearDist[] = { n.mV[0], n.mV[1], n.mV[2], n.mV[2] };
+
+	//put together a universal "near clip" plane for shadow frusta
+	LLPlane shadow_near_clip;
+	{
+		LLVector3 p = gAgent.getPositionAgent();
+		p += mSunDir * gSavedSettings.getF32("RenderFarClip")*2.f;
+		shadow_near_clip.setVec(p, mSunDir);
+	}
+
+	LLVector3 lightDir = -mSunDir;
+	lightDir.normVec();
+
+	glh::vec3f light_dir(lightDir.mV);
+
+	//create light space camera matrix
+	
+	LLVector3 at = lightDir;
+
+	LLVector3 up = camera.getAtAxis();
+
+	if (fabsf(up*lightDir) > 0.75f)
+	{
+		up = camera.getUpAxis();
+	}
+
+	/*LLVector3 left = up%at;
+	up = at%left;*/
+
+	up.normVec();
+	at.normVec();
+	
+	
+	LLCamera main_camera = camera;
+	
+	F32 near_clip = 0.f;
+	{
+		//get visible point cloud
+		std::vector<LLVector3> fp;
+
+		main_camera.calcAgentFrustumPlanes(main_camera.mAgentFrustum);
+		
+		LLVector3 min,max;
+		getVisiblePointCloud(main_camera,min,max,fp);
+
+		if (fp.empty())
+		{
+			if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA))
+			{
+				mShadowCamera[0] = main_camera;
+				mShadowExtents[0][0] = min;
+				mShadowExtents[0][1] = max;
+
+				mShadowFrustPoints[0].clear();
+				mShadowFrustPoints[1].clear();
+				mShadowFrustPoints[2].clear();
+				mShadowFrustPoints[3].clear();
+			}
+			popRenderTypeMask();
+			return;
+		}
+
+		generateGI(camera, lightDir, fp);
+
+		//get good split distances for frustum
+		for (U32 i = 0; i < fp.size(); ++i)
+		{
+			glh::vec3f v(fp[i].mV);
+			saved_view.mult_matrix_vec(v);
+			fp[i].setVec(v.v);
+		}
+
+		min = fp[0];
+		max = fp[0];
+
+		//get camera space bounding box
+		for (U32 i = 1; i < fp.size(); ++i)
+		{
+			update_min_max(min, max, fp[i]);
+		}
+
+		near_clip = -max.mV[2];
+		F32 far_clip = -min.mV[2]*2.f;
+
+		far_clip = llmin(far_clip, 128.f);
+		far_clip = llmin(far_clip, camera.getFar());
+
+		F32 range = far_clip-near_clip;
+
+		LLVector3 split_exp = gSavedSettings.getVector3("RenderShadowSplitExponent");
+
+		F32 da = 1.f-llmax( fabsf(lightDir*up), fabsf(lightDir*camera.getLeftAxis()) );
+		
+		da = powf(da, split_exp.mV[2]);
+
+
+		F32 sxp = split_exp.mV[1] + (split_exp.mV[0]-split_exp.mV[1])*da;
+
+
+		for (U32 i = 0; i < 4; ++i)
+		{
+			F32 x = (F32)(i+1)/4.f;
+			x = powf(x, sxp);
+			mSunClipPlanes.mV[i] = near_clip+range*x;
+		}
+	}
+
+	// convenience array of 4 near clip plane distances
+	F32 dist[] = { near_clip, mSunClipPlanes.mV[0], mSunClipPlanes.mV[1], mSunClipPlanes.mV[2], mSunClipPlanes.mV[3] };
+	
+	for (S32 j = 0; j < 4; j++)
+	{
+		if (!hasRenderDebugMask(RENDER_DEBUG_SHADOW_FRUSTA))
+		{
+			mShadowFrustPoints[j].clear();
+		}
+
+		LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW0+j;
+
+		//restore render matrices
+		glh_set_current_modelview(saved_view);
+		glh_set_current_projection(saved_proj);
+
+		LLVector3 eye = camera.getOrigin();
+
+		//camera used for shadow cull/render
+		LLCamera shadow_cam;
+		
+		//create world space camera frustum for this split
+		shadow_cam = camera;
+		shadow_cam.setFar(16.f);
+	
+		LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
+
+		LLVector3* frust = shadow_cam.mAgentFrustum;
+
+		LLVector3 pn = shadow_cam.getAtAxis();
+		
+		LLVector3 min, max;
+
+		//construct 8 corners of split frustum section
+		for (U32 i = 0; i < 4; i++)
+		{
+			LLVector3 delta = frust[i+4]-eye;
+			delta += (frust[i+4]-frust[(i+2)%4+4])*0.05f;
+			delta.normVec();
+			F32 dp = delta*pn;
+			frust[i] = eye + (delta*dist[j]*0.95f)/dp;
+			frust[i+4] = eye + (delta*dist[j+1]*1.05f)/dp;
+		}
+						
+		shadow_cam.calcAgentFrustumPlanes(frust);
+		shadow_cam.mFrustumCornerDist = 0.f;
+		
+		if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))
+		{
+			mShadowCamera[j] = shadow_cam;
+		}
+
+		std::vector<LLVector3> fp;
+
+		if (!gPipeline.getVisiblePointCloud(shadow_cam, min, max, fp, lightDir))
+		{
+			//no possible shadow receivers
+			if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))
+			{
+				mShadowExtents[j][0] = LLVector3();
+				mShadowExtents[j][1] = LLVector3();
+				mShadowCamera[j+4] = shadow_cam;
+			}
+
+			mShadow[j].bindTarget();
+			{
+				LLGLDepthTest depth(GL_TRUE);
+				mShadow[j].clear();
+			}
+			mShadow[j].flush();
+
+			mShadowError.mV[j] = 0.f;
+			mShadowFOV.mV[j] = 0.f;
+
+			continue;
+		}
+
+		if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))
+		{
+			mShadowExtents[j][0] = min;
+			mShadowExtents[j][1] = max;
+			mShadowFrustPoints[j] = fp;
+		}
+				
+
+		//find a good origin for shadow projection
+		LLVector3 origin;
+
+		//get a temporary view projection
+		view[j] = look(camera.getOrigin(), lightDir, -up);
+
+		std::vector<LLVector3> wpf;
+
+		for (U32 i = 0; i < fp.size(); i++)
+		{
+			glh::vec3f p = glh::vec3f(fp[i].mV);
+			view[j].mult_matrix_vec(p);
+			wpf.push_back(LLVector3(p.v));
+		}
+
+		min = wpf[0];
+		max = wpf[0];
+
+		for (U32 i = 0; i < fp.size(); ++i)
+		{ //get AABB in camera space
+			update_min_max(min, max, wpf[i]);
+		}
+
+		// Construct a perspective transform with perspective along y-axis that contains
+		// points in wpf
+		//Known:
+		// - far clip plane
+		// - near clip plane
+		// - points in frustum
+		//Find:
+		// - origin
+
+		//get some "interesting" points of reference
+		LLVector3 center = (min+max)*0.5f;
+		LLVector3 size = (max-min)*0.5f;
+		LLVector3 near_center = center;
+		near_center.mV[1] += size.mV[1]*2.f;
+		
+		
+		//put all points in wpf in quadrant 0, reletive to center of min/max
+		//get the best fit line using least squares
+		F32 bfm = 0.f;
+		F32 bfb = 0.f;
+
+		for (U32 i = 0; i < wpf.size(); ++i)
+		{
+			wpf[i] -= center;
+			wpf[i].mV[0] = fabsf(wpf[i].mV[0]);
+			wpf[i].mV[2] = fabsf(wpf[i].mV[2]);
+		}
+
+		if (!wpf.empty())
+		{ 
+			F32 sx = 0.f;
+			F32 sx2 = 0.f;
+			F32 sy = 0.f;
+			F32 sxy = 0.f;
+			
+			for (U32 i = 0; i < wpf.size(); ++i)
+			{		
+				sx += wpf[i].mV[0];
+				sx2 += wpf[i].mV[0]*wpf[i].mV[0];
+				sy += wpf[i].mV[1];
+				sxy += wpf[i].mV[0]*wpf[i].mV[1]; 
+			}
+
+			bfm = (sy*sx-wpf.size()*sxy)/(sx*sx-wpf.size()*sx2);
+			bfb = (sx*sxy-sy*sx2)/(sx*sx-bfm*sx2);
+		}
+		
+		{
+			// best fit line is y=bfm*x+bfb
+		
+			//find point that is furthest to the right of line
+			F32 off_x = -1.f;
+			LLVector3 lp;
+
+			for (U32 i = 0; i < wpf.size(); ++i)
+			{
+				//y = bfm*x+bfb
+				//x = (y-bfb)/bfm
+				F32 lx = (wpf[i].mV[1]-bfb)/bfm;
+
+				lx = wpf[i].mV[0]-lx;
+				
+				if (off_x < lx)
+				{
+					off_x = lx;
+					lp = wpf[i];
+				}
+			}
+
+			//get line with slope bfm through lp
+			// bfb = y-bfm*x
+			bfb = lp.mV[1]-bfm*lp.mV[0];
+
+			//calculate error
+			mShadowError.mV[j] = 0.f;
+
+			for (U32 i = 0; i < wpf.size(); ++i)
+			{
+				F32 lx = (wpf[i].mV[1]-bfb)/bfm;
+				mShadowError.mV[j] += fabsf(wpf[i].mV[0]-lx);
+			}
+
+			mShadowError.mV[j] /= wpf.size();
+			mShadowError.mV[j] /= size.mV[0];
+
+			if (mShadowError.mV[j] > gSavedSettings.getF32("RenderShadowErrorCutoff"))
+			{ //just use ortho projection
+				mShadowFOV.mV[j] = -1.f;
+				origin.clearVec();
+				proj[j] = gl_ortho(min.mV[0], max.mV[0],
+									min.mV[1], max.mV[1],
+									-max.mV[2], -min.mV[2]);
+			}
+			else
+			{
+				//origin is where line x = 0;
+				origin.setVec(0,bfb,0);
+
+				F32 fovz = 1.f;
+				F32 fovx = 1.f;
+				
+				LLVector3 zp;
+				LLVector3 xp;
+
+				for (U32 i = 0; i < wpf.size(); ++i)
+				{
+					LLVector3 atz = wpf[i]-origin;
+					atz.mV[0] = 0.f;
+					atz.normVec();
+					if (fovz > -atz.mV[1])
+					{
+						zp = wpf[i];
+						fovz = -atz.mV[1];
+					}
+					
+					LLVector3 atx = wpf[i]-origin;
+					atx.mV[2] = 0.f;
+					atx.normVec();
+					if (fovx > -atx.mV[1])
+					{
+						fovx = -atx.mV[1];
+						xp = wpf[i];
+					}
+				}
+
+				fovx = acos(fovx);
+				fovz = acos(fovz);
+
+				F32 cutoff = llmin(gSavedSettings.getF32("RenderShadowFOVCutoff"), 1.4f);
+				
+				mShadowFOV.mV[j] = fovx;
+				
+				if (fovx < cutoff && fovz > cutoff)
+				{
+					//x is a good fit, but z is too big, move away from zp enough so that fovz matches cutoff
+					F32 d = zp.mV[2]/tan(cutoff);
+					F32 ny = zp.mV[1] + fabsf(d);
+
+					origin.mV[1] = ny;
+
+					fovz = 1.f;
+					fovx = 1.f;
+
+					for (U32 i = 0; i < wpf.size(); ++i)
+					{
+						LLVector3 atz = wpf[i]-origin;
+						atz.mV[0] = 0.f;
+						atz.normVec();
+						fovz = llmin(fovz, -atz.mV[1]);
+
+						LLVector3 atx = wpf[i]-origin;
+						atx.mV[2] = 0.f;
+						atx.normVec();
+						fovx = llmin(fovx, -atx.mV[1]);
+					}
+
+					fovx = acos(fovx);
+					fovz = acos(fovz);
+
+					if (fovx > cutoff || llround(fovz, 0.01f) > cutoff)
+					{
+					//	llerrs << "WTF?" << llendl;
+					}
+
+					mShadowFOV.mV[j] = cutoff;
+				}
+
+				
+				origin += center;
+			
+				F32 ynear = -(max.mV[1]-origin.mV[1]);
+				F32 yfar = -(min.mV[1]-origin.mV[1]);
+				
+				if (ynear < 0.1f) //keep a sensible near clip plane
+				{
+					F32 diff = 0.1f-ynear;
+					origin.mV[1] += diff;
+					ynear += diff;
+					yfar += diff;
+				}
+								
+				if (fovx > cutoff)
+				{ //just use ortho projection
+					origin.clearVec();
+					mShadowError.mV[j] = -1.f;
+					proj[j] = gl_ortho(min.mV[0], max.mV[0],
+							min.mV[1], max.mV[1],
+							-max.mV[2], -min.mV[2]);
+				}
+				else
+				{
+					//get perspective projection
+					view[j] = view[j].inverse();
+
+					glh::vec3f origin_agent(origin.mV);
+					
+					//translate view to origin
+					view[j].mult_matrix_vec(origin_agent);
+
+					eye = LLVector3(origin_agent.v);
+
+					if (!hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))
+					{
+						mShadowFrustOrigin[j] = eye;
+					}
+				
+					view[j] = look(LLVector3(origin_agent.v), lightDir, -up);
+
+					F32 fx = 1.f/tanf(fovx);
+					F32 fz = 1.f/tanf(fovz);
+
+					proj[j] = glh::matrix4f(-fx, 0, 0, 0,
+											0, (yfar+ynear)/(ynear-yfar), 0, (2.f*yfar*ynear)/(ynear-yfar),
+											0, 0, -fz, 0,
+											0, -1.f, 0, 0);
+				}
+			}
+		}
+
+		shadow_cam.setFar(128.f);
+		shadow_cam.setOriginAndLookAt(eye, up, center);
+
+		shadow_cam.setOrigin(0,0,0);
+
+		glh_set_current_modelview(view[j]);
+		glh_set_current_projection(proj[j]);
+
+		LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
+
+		//shadow_cam.ignoreAgentFrustumPlane(LLCamera::AGENT_PLANE_NEAR);
+		shadow_cam.getAgentPlane(LLCamera::AGENT_PLANE_NEAR).set(shadow_near_clip);
+
+		//translate and scale to from [-1, 1] to [0, 1]
+		glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,
+						0.f, 0.5f, 0.f, 0.5f,
+						0.f, 0.f, 0.5f, 0.5f,
+						0.f, 0.f, 0.f, 1.f);
+
+		glh_set_current_modelview(view[j]);
+		glh_set_current_projection(proj[j]);
+
+		for (U32 i = 0; i < 16; i++)
+		{
+			gGLLastModelView[i] = mShadowModelview[j].m[i];
+			gGLLastProjection[i] = mShadowProjection[j].m[i];
+		}
+
+		mShadowModelview[j] = view[j];
+		mShadowProjection[j] = proj[j];
+
+	
+		mSunShadowMatrix[j] = trans*proj[j]*view[j]*inv_view;
+		
+		stop_glerror();
+
+		mShadow[j].bindTarget();
+		mShadow[j].getViewport(gGLViewport);
+		mShadow[j].clear();
+		
+		{
+			static LLCullResult result[4];
+
+			//LLGLEnable enable(GL_DEPTH_CLAMP_NV);
+			renderShadow(view[j], proj[j], shadow_cam, result[j], TRUE);
+		}
+
+		mShadow[j].flush();
+ 
+		if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHADOW_FRUSTA))
+		{
+			LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
+			mShadowCamera[j+4] = shadow_cam;
+		}
+	}
+
+	
+	//hack to disable projector shadows 
+	bool gen_shadow = gSavedSettings.getS32("RenderShadowDetail") > 1;
+
+	if (gen_shadow)
+	{
+		F32 fade_amt = gFrameIntervalSeconds * llmax(LLViewerCamera::getInstance()->getVelocityStat()->getCurrentPerSec(), 1.f);
+
+		//update shadow targets
+		for (U32 i = 0; i < 2; i++)
+		{ //for each current shadow
+			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW4+i;
+
+			if (mShadowSpotLight[i].notNull() && 
+				(mShadowSpotLight[i] == mTargetShadowSpotLight[0] ||
+				mShadowSpotLight[i] == mTargetShadowSpotLight[1]))
+			{ //keep this spotlight
+				mSpotLightFade[i] = llmin(mSpotLightFade[i]+fade_amt, 1.f);
+			}
+			else
+			{ //fade out this light
+				mSpotLightFade[i] = llmax(mSpotLightFade[i]-fade_amt, 0.f);
+				
+				if (mSpotLightFade[i] == 0.f || mShadowSpotLight[i].isNull())
+				{ //faded out, grab one of the pending spots (whichever one isn't already taken)
+					if (mTargetShadowSpotLight[0] != mShadowSpotLight[(i+1)%2])
+					{
+						mShadowSpotLight[i] = mTargetShadowSpotLight[0];
+					}
+					else
+					{
+						mShadowSpotLight[i] = mTargetShadowSpotLight[1];
+					}
+				}
+			}
+		}
+
+		for (S32 i = 0; i < 2; i++)
+		{
+			glh_set_current_modelview(saved_view);
+			glh_set_current_projection(saved_proj);
+
+			if (mShadowSpotLight[i].isNull())
+			{
+				continue;
+			}
+
+			LLVOVolume* volume = mShadowSpotLight[i]->getVOVolume();
+
+			if (!volume)
+			{
+				mShadowSpotLight[i] = NULL;
+				continue;
+			}
+
+			LLDrawable* drawable = mShadowSpotLight[i];
+
+			LLVector3 params = volume->getSpotLightParams();
+			F32 fov = params.mV[0];
+
+			//get agent->light space matrix (modelview)
+			LLVector3 center = drawable->getPositionAgent();
+			LLQuaternion quat = volume->getRenderRotation();
+
+			//get near clip plane
+			LLVector3 scale = volume->getScale();
+			LLVector3 at_axis(0,0,-scale.mV[2]*0.5f);
+			at_axis *= quat;
+
+			LLVector3 np = center+at_axis;
+			at_axis.normVec();
+
+			//get origin that has given fov for plane np, at_axis, and given scale
+			F32 dist = (scale.mV[1]*0.5f)/tanf(fov*0.5f);
+
+			LLVector3 origin = np - at_axis*dist;
+
+			LLMatrix4 mat(quat, LLVector4(origin, 1.f));
+
+			view[i+4] = glh::matrix4f((F32*) mat.mMatrix);
+
+			view[i+4] = view[i+4].inverse();
+
+			//get perspective matrix
+			F32 near_clip = dist+0.01f;
+			F32 width = scale.mV[VX];
+			F32 height = scale.mV[VY];
+			F32 far_clip = dist+volume->getLightRadius()*1.5f;
+
+			F32 fovy = fov * RAD_TO_DEG;
+			F32 aspect = width/height;
+			
+			proj[i+4] = gl_perspective(fovy, aspect, near_clip, far_clip);
+
+			//translate and scale to from [-1, 1] to [0, 1]
+			glh::matrix4f trans(0.5f, 0.f, 0.f, 0.5f,
+							0.f, 0.5f, 0.f, 0.5f,
+							0.f, 0.f, 0.5f, 0.5f,
+							0.f, 0.f, 0.f, 1.f);
+
+			glh_set_current_modelview(view[i+4]);
+			glh_set_current_projection(proj[i+4]);
+
+			mSunShadowMatrix[i+4] = trans*proj[i+4]*view[i+4]*inv_view;
+			
+			for (U32 j = 0; j < 16; j++)
+			{
+				gGLLastModelView[j] = mShadowModelview[i+4].m[j];
+				gGLLastProjection[j] = mShadowProjection[i+4].m[j];
+			}
+
+			mShadowModelview[i+4] = view[i+4];
+			mShadowProjection[i+4] = proj[i+4];
+
+			LLCamera shadow_cam = camera;
+			shadow_cam.setFar(far_clip);
+			shadow_cam.setOrigin(origin);
+
+			LLViewerCamera::updateFrustumPlanes(shadow_cam, FALSE, FALSE, TRUE);
+
+			stop_glerror();
+
+			mShadow[i+4].bindTarget();
+			mShadow[i+4].getViewport(gGLViewport);
+			mShadow[i+4].clear();
+
+			static LLCullResult result[2];
+
+			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_SHADOW0+i+4;
+
+			renderShadow(view[i+4], proj[i+4], shadow_cam, result[i], FALSE, FALSE);
+
+			mShadow[i+4].flush();
+ 		}
+	}
+
+	if (!gSavedSettings.getBOOL("CameraOffset"))
+	{
+		glh_set_current_modelview(saved_view);
+		glh_set_current_projection(saved_proj);
+	}
+	else
+	{
+		glh_set_current_modelview(view[1]);
+		glh_set_current_projection(proj[1]);
+		glLoadMatrixf(view[1].m);
+		glMatrixMode(GL_PROJECTION);
+		glLoadMatrixf(proj[1].m);
+		glMatrixMode(GL_MODELVIEW);
+	}
+	gGL.setColorMask(true, false);
+
+	for (U32 i = 0; i < 16; i++)
+	{
+		gGLLastModelView[i] = last_modelview[i];
+		gGLLastProjection[i] = last_projection[i];
+	}
+
+	popRenderTypeMask();
+}
+
+void LLPipeline::renderGroups(LLRenderPass* pass, U32 type, U32 mask, BOOL texture)
+{
+	for (LLCullResult::sg_list_t::iterator i = sCull->beginVisibleGroups(); i != sCull->endVisibleGroups(); ++i)
+	{
+		LLSpatialGroup* group = *i;
+		if (!group->isDead() &&
+			(!sUseOcclusion || !group->isOcclusionState(LLSpatialGroup::OCCLUDED)) &&
+			gPipeline.hasRenderType(group->mSpatialPartition->mDrawableType) &&
+			group->mDrawMap.find(type) != group->mDrawMap.end())
+		{
+			pass->renderGroup(group,type,mask,texture);
+		}
+	}
+}
+
+void LLPipeline::generateImpostor(LLVOAvatar* avatar)
+{
+	LLMemType mt_gi(LLMemType::MTYPE_PIPELINE_GENERATE_IMPOSTOR);
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+	LLGLState::checkClientArrays();
+
+	static LLCullResult result;
+	result.clear();
+	grabReferences(result);
+	
+	if (!avatar || !avatar->mDrawable)
+	{
+		return;
+	}
+
+	assertInitialized();
+
+	BOOL muted = LLMuteList::getInstance()->isMuted(avatar->getID());
+
+	pushRenderTypeMask();
+	
+	if (muted)
+	{
+		andRenderTypeMask(LLPipeline::RENDER_TYPE_AVATAR, END_RENDER_TYPES);
+	}
+	else
+	{
+		andRenderTypeMask(LLPipeline::RENDER_TYPE_VOLUME,
+						LLPipeline::RENDER_TYPE_AVATAR,
+						LLPipeline::RENDER_TYPE_BUMP,
+						LLPipeline::RENDER_TYPE_GRASS,
+						LLPipeline::RENDER_TYPE_SIMPLE,
+						LLPipeline::RENDER_TYPE_FULLBRIGHT,
+						LLPipeline::RENDER_TYPE_ALPHA, 
+						LLPipeline::RENDER_TYPE_INVISIBLE,
+						LLPipeline::RENDER_TYPE_PASS_SIMPLE,
+						LLPipeline::RENDER_TYPE_PASS_ALPHA,
+						LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,
+						LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,
+						LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,
+						LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,
+						LLPipeline::RENDER_TYPE_PASS_SHINY,
+						LLPipeline::RENDER_TYPE_PASS_INVISIBLE,
+						LLPipeline::RENDER_TYPE_PASS_INVISI_SHINY,
+						END_RENDER_TYPES);
+	}
+	
+	S32 occlusion = sUseOcclusion;
+	sUseOcclusion = 0;
+	sReflectionRender = sRenderDeferred ? FALSE : TRUE;
+	sShadowRender = TRUE;
+	sImpostorRender = TRUE;
+
+	LLViewerCamera* viewer_camera = LLViewerCamera::getInstance();
+	markVisible(avatar->mDrawable, *viewer_camera);
+	LLVOAvatar::sUseImpostors = FALSE;
+
+	LLVOAvatar::attachment_map_t::iterator iter;
+	for (iter = avatar->mAttachmentPoints.begin();
+		iter != avatar->mAttachmentPoints.end();
+		++iter)
+	{
+		LLViewerJointAttachment *attachment = iter->second;
+		for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
+			 attachment_iter != attachment->mAttachedObjects.end();
+			 ++attachment_iter)
+		{
+			if (LLViewerObject* attached_object = (*attachment_iter))
+			{
+				markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);
+			}
+		}
+	}
+
+	stateSort(*LLViewerCamera::getInstance(), result);
+	
+	const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();
+	LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());
+
+	LLCamera camera = *viewer_camera;
+
+	camera.lookAt(viewer_camera->getOrigin(), pos, viewer_camera->getUpAxis());
+	
+	LLVector2 tdim;
+
+
+	LLVector4a half_height;
+	half_height.setSub(ext[1], ext[0]);
+	half_height.mul(0.5f);
+
+	LLVector4a left;
+	left.load3(camera.getLeftAxis().mV);
+	left.mul(left);
+	left.normalize3fast();
+
+	LLVector4a up;
+	up.load3(camera.getUpAxis().mV);
+	up.mul(up);
+	up.normalize3fast();
+
+	tdim.mV[0] = fabsf(half_height.dot3(left).getF32());
+	tdim.mV[1] = fabsf(half_height.dot3(up).getF32());
+
+	glMatrixMode(GL_PROJECTION);
+	glPushMatrix();
+	
+	F32 distance = (pos-camera.getOrigin()).length();
+	F32 fov = atanf(tdim.mV[1]/distance)*2.f*RAD_TO_DEG;
+	F32 aspect = tdim.mV[0]/tdim.mV[1];
+	glh::matrix4f persp = gl_perspective(fov, aspect, 1.f, 256.f);
+	glh_set_current_projection(persp);
+	glLoadMatrixf(persp.m);
+
+	glMatrixMode(GL_MODELVIEW);
+	glPushMatrix();
+	glh::matrix4f mat;
+	camera.getOpenGLTransform(mat.m);
+
+	mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;
+
+	glLoadMatrixf(mat.m);
+	glh_set_current_modelview(mat);
+
+	glClearColor(0.0f,0.0f,0.0f,0.0f);
+	gGL.setColorMask(true, true);
+	
+	// get the number of pixels per angle
+	F32 pa = gViewerWindow->getWindowHeightRaw() / (RAD_TO_DEG * viewer_camera->getView());
+
+	//get resolution based on angle width and height of impostor (double desired resolution to prevent aliasing)
+	U32 resY = llmin(nhpo2((U32) (fov*pa)), (U32) 512);
+	U32 resX = llmin(nhpo2((U32) (atanf(tdim.mV[0]/distance)*2.f*RAD_TO_DEG*pa)), (U32) 512);
+
+	if (!avatar->mImpostor.isComplete() || resX != avatar->mImpostor.getWidth() ||
+		resY != avatar->mImpostor.getHeight())
+	{
+		avatar->mImpostor.allocate(resX,resY,GL_RGBA,TRUE,FALSE);
+		
+		if (LLPipeline::sRenderDeferred)
+		{
+			addDeferredAttachments(avatar->mImpostor);
+		}
+		
+		gGL.getTexUnit(0)->bind(&avatar->mImpostor);
+		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	}
+
+	avatar->mImpostor.bindTarget();
+
+	if (LLPipeline::sRenderDeferred)
+	{
+		avatar->mImpostor.clear();
+		renderGeomDeferred(camera);
+		renderGeomPostDeferred(camera);
+	}
+	else
+	{
+		LLGLEnable scissor(GL_SCISSOR_TEST);
+		glScissor(0, 0, resX, resY);
+		avatar->mImpostor.clear();
+		renderGeom(camera);
+	}
+	
+	{ //create alpha mask based on depth buffer (grey out if muted)
+		if (LLPipeline::sRenderDeferred)
+		{
+			GLuint buff = GL_COLOR_ATTACHMENT0;
+			glDrawBuffersARB(1, &buff);
+		}
+
+		LLGLDisable blend(GL_BLEND);
+
+		if (muted)
+		{
+			gGL.setColorMask(true, true);
+		}
+		else
+		{
+			gGL.setColorMask(false, true);
+		}
+		
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+		LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_GREATER);
+
+		gGL.flush();
+
+		glPushMatrix();
+		glLoadIdentity();
+		glMatrixMode(GL_PROJECTION);
+		glPushMatrix();
+		glLoadIdentity();
+
+		static const F32 clip_plane = 0.99999f;
+
+		gGL.color4ub(64,64,64,255);
+		gGL.begin(LLRender::QUADS);
+		gGL.vertex3f(-1, -1, clip_plane);
+		gGL.vertex3f(1, -1, clip_plane);
+		gGL.vertex3f(1, 1, clip_plane);
+		gGL.vertex3f(-1, 1, clip_plane);
+		gGL.end();
+		gGL.flush();
+
+		glPopMatrix();
+		glMatrixMode(GL_MODELVIEW);
+		glPopMatrix();
+	}
+
+	avatar->mImpostor.flush();
+
+	avatar->setImpostorDim(tdim);
+
+	LLVOAvatar::sUseImpostors = TRUE;
+	sUseOcclusion = occlusion;
+	sReflectionRender = FALSE;
+	sImpostorRender = FALSE;
+	sShadowRender = FALSE;
+	popRenderTypeMask();
+
+	glMatrixMode(GL_PROJECTION);
+	glPopMatrix();
+	glMatrixMode(GL_MODELVIEW);
+	glPopMatrix();
+
+	avatar->mNeedsImpostorUpdate = FALSE;
+	avatar->cacheImpostorValues();
+
+	LLVertexBuffer::unbind();
+	LLGLState::checkStates();
+	LLGLState::checkTextureChannels();
+	LLGLState::checkClientArrays();
+}
+
+BOOL LLPipeline::hasRenderBatches(const U32 type) const
+{
+	return sCull->getRenderMapSize(type) > 0;
+}
+
+LLCullResult::drawinfo_list_t::iterator LLPipeline::beginRenderMap(U32 type)
+{
+	return sCull->beginRenderMap(type);
+}
+
+LLCullResult::drawinfo_list_t::iterator LLPipeline::endRenderMap(U32 type)
+{
+	return sCull->endRenderMap(type);
+}
+
+LLCullResult::sg_list_t::iterator LLPipeline::beginAlphaGroups()
+{
+	return sCull->beginAlphaGroups();
+}
+
+LLCullResult::sg_list_t::iterator LLPipeline::endAlphaGroups()
+{
+	return sCull->endAlphaGroups();
+}
+
+BOOL LLPipeline::hasRenderType(const U32 type) const
+{
+    // STORM-365 : LLViewerJointAttachment::setAttachmentVisibility() is setting type to 0 to actually mean "do not render"
+    // We then need to test that value here and return FALSE to prevent attachment to render (in mouselook for instance)
+    // TODO: reintroduce RENDER_TYPE_NONE in LLRenderTypeMask and initialize its mRenderTypeEnabled[RENDER_TYPE_NONE] to FALSE explicitely
+	return (type == 0 ? FALSE : mRenderTypeEnabled[type]);
+}
+
+void LLPipeline::setRenderTypeMask(U32 type, ...)
+{
+	va_list args;
+
+	va_start(args, type);
+	while (type < END_RENDER_TYPES)
+	{
+		mRenderTypeEnabled[type] = TRUE;
+		type = va_arg(args, U32);
+	}
+	va_end(args);
+
+	if (type > END_RENDER_TYPES)
+	{
+		llerrs << "Invalid render type." << llendl;
+	}
+}
+
+BOOL LLPipeline::hasAnyRenderType(U32 type, ...) const
+{
+	va_list args;
+
+	va_start(args, type);
+	while (type < END_RENDER_TYPES)
+	{
+		if (mRenderTypeEnabled[type])
+		{
+			return TRUE;
+		}
+		type = va_arg(args, U32);
+	}
+	va_end(args);
+
+	if (type > END_RENDER_TYPES)
+	{
+		llerrs << "Invalid render type." << llendl;
+	}
+
+	return FALSE;
+}
+
+void LLPipeline::pushRenderTypeMask()
+{
+	std::string cur_mask;
+	cur_mask.assign((const char*) mRenderTypeEnabled, sizeof(mRenderTypeEnabled));
+	mRenderTypeEnableStack.push(cur_mask);
+}
+
+void LLPipeline::popRenderTypeMask()
+{
+	if (mRenderTypeEnableStack.empty())
+	{
+		llerrs << "Depleted render type stack." << llendl;
+	}
+
+	memcpy(mRenderTypeEnabled, mRenderTypeEnableStack.top().data(), sizeof(mRenderTypeEnabled));
+	mRenderTypeEnableStack.pop();
+}
+
+void LLPipeline::andRenderTypeMask(U32 type, ...)
+{
+	va_list args;
+
+	BOOL tmp[NUM_RENDER_TYPES];
+	for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)
+	{
+		tmp[i] = FALSE;
+	}
+
+	va_start(args, type);
+	while (type < END_RENDER_TYPES)
+	{
+		if (mRenderTypeEnabled[type]) 
+		{
+			tmp[type] = TRUE;
+		}
+
+		type = va_arg(args, U32);
+	}
+	va_end(args);
+
+	if (type > END_RENDER_TYPES)
+	{
+		llerrs << "Invalid render type." << llendl;
+	}
+
+	for (U32 i = 0; i < LLPipeline::NUM_RENDER_TYPES; ++i)
+	{
+		mRenderTypeEnabled[i] = tmp[i];
+	}
+
+}
+
+void LLPipeline::clearRenderTypeMask(U32 type, ...)
+{
+	va_list args;
+
+	va_start(args, type);
+	while (type < END_RENDER_TYPES)
+	{
+		mRenderTypeEnabled[type] = FALSE;
+		
+		type = va_arg(args, U32);
+	}
+	va_end(args);
+
+	if (type > END_RENDER_TYPES)
+	{
+		llerrs << "Invalid render type." << llendl;
+	}
+}
+
+
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 772e2ed1d1..32ac93388d 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -119,7 +119,6 @@ public:
 	void allocatePhysicsBuffer();
 	
 	void resetVertexBuffers(LLDrawable* drawable);
-	void setDisableVBOMapping(BOOL no_vbo_mapping);
 	void generateImpostor(LLVOAvatar* avatar);
 	void bindScreenToTexture();
 	void renderBloom(BOOL for_snapshot, F32 zoom_factor = 1.f, int subfield = 0);