Merge branch 'master' of https://github.com/singularity-viewer/SingularityViewer

2013-10-10 04:41:08 -04:00
parent 91f6a4efa3 5f0b1ab05b
commit d503662b58
62 changed files with 2133 additions and 2002 deletions
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl
@@ -30,7 +30,7 @@ ATTRIBUTE vec3 position;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec2 texcoord0;
-ATTRIBUTE vec3 binormal;
+ATTRIBUTE vec4 tangent;

 VARYING vec3 vary_mat0;
 VARYING vec3 vary_mat1;
@@ -52,8 +52,8 @@ void main()
 	
 	
 	vec3 n = normalize((mat * vec4(normal.xyz+position.xyz, 1.0)).xyz-pos.xyz);
-	vec3 b = normalize((mat * vec4(binormal.xyz+position.xyz, 1.0)).xyz-pos.xyz);
-	vec3 t = cross(b, n);
+	vec3 t = normalize((mat * vec4(tangent.xyz+position.xyz, 1.0)).xyz-pos.xyz);
+	vec3 b = cross(n, t) * tangent.w;
 	
 	vary_mat0 = vec3(t.x, b.x, n.x);
 	vary_mat1 = vec3(t.y, b.y, n.y);
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
@@ -31,7 +31,7 @@ ATTRIBUTE vec3 position;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec2 texcoord0;
-ATTRIBUTE vec3 binormal;
+ATTRIBUTE vec4 tangent;

 VARYING vec3 vary_mat0;
 VARYING vec3 vary_mat1;
@@ -46,8 +46,8 @@ void main()
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
 	vec3 n = normalize(normal_matrix * normal);
-	vec3 b = normalize(normal_matrix * binormal);
-	vec3 t = cross(b, n);
+	vec3 t = normalize(normal_matrix * tangent.xyz);
+	vec3 b = cross(n, t) * tangent.w;
 	
 	vary_mat0 = vec3(t.x, b.x, n.x);
 	vary_mat1 = vec3(t.y, b.y, n.y);
--- a/indra/newview/app_settings/shaders/class1/deferred/fxaaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fxaaF.glsl
@@ -2093,7 +2093,6 @@ uniform sampler2D diffuseMap;
 uniform vec2 rcp_screen_res;
 uniform vec4 rcp_frame_opt;
 uniform vec4 rcp_frame_opt2;
-uniform vec2 screen_res;
 VARYING vec2 vary_fragcoord;
 VARYING vec2 vary_tc;

--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -141,7 +141,7 @@ void main()
 				
 				if (sa > 0.0)
 				{
-					sa = 6 * texture2D(lightFunc, vec2(sa, spec.a)).r * min(dist_atten*4.0, 1.0);
+					sa = texture2D(lightFunc, vec2(sa, spec.a)).r * min(dist_atten*4.0, 1.0);
 					sa *= noise;
 					col += da*sa*light_col[i].rgb*spec.rgb;
 				}
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -123,7 +123,7 @@ void main()
 		float sa = dot(normalize(lv-normalize(pos)),norm);
 		if (sa > 0.0)
 		{
-			sa = 6 * texture2D(lightFunc, vec2(sa, spec.a)).r * min(dist_atten*4.0, 1.0);
+			sa = texture2D(lightFunc, vec2(sa, spec.a)).r * min(dist_atten*4.0, 1.0);
 			sa *= noise;
 			col += da*sa*color.rgb*spec.rgb;
 		}
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -314,7 +314,7 @@ void main()
 			//
 			vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 			float sa = dot(refnormpersp, sun_dir.xyz);
-			vec3 dumbshiny = vary_SunlitColor*(6 * texture2D(lightFunc, vec2(sa, spec.a)).r);
+			vec3 dumbshiny = vary_SunlitColor*(texture2D(lightFunc, vec2(sa, spec.a)).r);
 			
 			// add the two types of shiny together
 			vec3 spec_contrib = dumbshiny * spec.rgb;
--- a/indra/newview/app_settings/shaders/class1/transform/binormalV.glsl
+++ b/indra/newview/app_settings/shaders/class1/transform/binormalV.glsl
@@ -25,12 +25,12 @@

 uniform mat3 normal_matrix;

-ATTRIBUTE vec3 binormal;
+ATTRIBUTE vec4 tangent;

-VARYING vec4 binormal_out;
+VARYING vec4 tangent_out;

 void main()
 {
-	binormal_out = vec4(normal_matrix * binormal, 0.0);
+	tangent_out = vec4(normal_matrix * tangent.xyz, tangent.w);
 }

--- a/indra/newview/linux_tools/wrapper.sh
+++ b/indra/newview/linux_tools/wrapper.sh
@@ -148,7 +148,13 @@ else
 	SL_ENV+='LD_LIBRARY_PATH="`pwd`/lib:$LD_LIBRARY_PATH"'
 fi
 export SL_CMD='$LL_WRAPPER bin/$VIEWER_BINARY'
-export SL_OPT="`cat gridargs.dat` $@"
+
+if [ -n "$AITESTPLUGIN" ]; then
+	SL_CMD="$LL_WRAPPER bin/SLPlugin"
+	SL_OPT="TESTPLUGIN"
+else
+	SL_OPT="`cat gridargs.dat` $@"
+fi

 # Run the program.
 eval ${SL_ENV} ${SL_CMD} ${SL_OPT} || LL_RUN_ERR=runerr
--- a/indra/newview/lldrawpoolavatar.h
+++ b/indra/newview/lldrawpoolavatar.h
@@ -190,7 +190,7 @@ public:
 		RIGGED_DEFERRED_BUMP_MASK = LLVertexBuffer::MAP_VERTEX | 
 							 LLVertexBuffer::MAP_NORMAL | 
 							 LLVertexBuffer::MAP_TEXCOORD0 |
-							 LLVertexBuffer::MAP_BINORMAL |
+							 LLVertexBuffer::MAP_TANGENT |
 							 LLVertexBuffer::MAP_COLOR |
 							 LLVertexBuffer::MAP_WEIGHT4,
 		RIGGED_DEFERRED_SIMPLE_MASK = LLVertexBuffer::MAP_VERTEX | 
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -851,7 +851,7 @@ void LLDrawPoolBump::renderDeferred(S32 pass)
 	LLCullResult::drawinfo_iterator begin = gPipeline.beginRenderMap(type);
 	LLCullResult::drawinfo_iterator end = gPipeline.endRenderMap(type);

-	U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_BINORMAL | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_COLOR;
+	U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_TANGENT | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_COLOR;
 	
 	for (LLCullResult::drawinfo_iterator i = begin; i != end; ++i)	
 	{
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -511,7 +511,7 @@ void LLFace::renderSelected(LLViewerTexture *imagep, const LLColor4& color)
 		{
 			LLGLEnable poly_offset(GL_POLYGON_OFFSET_FILL);
 			glPolygonOffset(-1.f,-1.f);
-			mVertexBuffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0);
+			mVertexBuffer->setBuffer(mVertexBuffer->getTypeMask());
 			mVertexBuffer->draw(LLRender::TRIANGLES, mIndicesCount, mIndicesIndex);
 		}

@@ -789,6 +789,12 @@ BOOL LLFace::genVolumeBBoxes(const LLVolume &volume, S32 f,
 			size.mul(scale);
 		}

+		// Catch potential badness from normalization before it happens
+		//
+		llassert(mat_normal.mMatrix[0].isFinite3() && (mat_normal.mMatrix[0].dot3(mat_normal.mMatrix[0]).getF32() > F_APPROXIMATELY_ZERO));
+		llassert(mat_normal.mMatrix[1].isFinite3() && (mat_normal.mMatrix[1].dot3(mat_normal.mMatrix[1]).getF32() > F_APPROXIMATELY_ZERO));
+		llassert(mat_normal.mMatrix[2].isFinite3() && (mat_normal.mMatrix[2].dot3(mat_normal.mMatrix[2]).getF32() > F_APPROXIMATELY_ZERO));
+
 		mat_normal.mMatrix[0].normalize3fast();
 		mat_normal.mMatrix[1].normalize3fast();
 		mat_normal.mMatrix[2].normalize3fast();
@@ -874,7 +880,7 @@ BOOL LLFace::genVolumeBBoxes(const LLVolume &volume, S32 f,
 // integrated with getGeometryVolume() for its texture coordinate
 // generation - but i'll leave that to someone more familiar
 // with the implications.
-LLVector2 LLFace::surfaceToTexture(LLVector2 surface_coord, LLVector3 position, LLVector3 normal)
+LLVector2 LLFace::surfaceToTexture(LLVector2 surface_coord, const LLVector4a& position, const LLVector4a& normal)
 {
 	LLVector2 tc = surface_coord;
 	
@@ -894,7 +900,9 @@ LLVector2 LLFace::surfaceToTexture(LLVector2 surface_coord, LLVector3 position,
 		LLVector4a& center = *(mDrawablep->getVOVolume()->getVolume()->getVolumeFace(mTEOffset).mCenter);
 		
 		LLVector4a volume_position;
-		volume_position.load3(mDrawablep->getVOVolume()->agentPositionToVolume(position).mV);
+		LLVector3 v_position(position.getF32ptr());
+
+		volume_position.load3(mDrawablep->getVOVolume()->agentPositionToVolume(v_position).mV);
 		
 		if (!mDrawablep->getVOVolume()->isVolumeGlobal())
 		{
@@ -904,7 +912,8 @@ LLVector2 LLFace::surfaceToTexture(LLVector2 surface_coord, LLVector3 position,
 		}
 		
 		LLVector4a volume_normal;
-		volume_normal.load3(mDrawablep->getVOVolume()->agentDirectionToVolume(normal).mV);
+		LLVector3 v_normal(normal.getF32ptr());
+		volume_normal.load3(mDrawablep->getVOVolume()->agentDirectionToVolume(v_normal).mV);
 		volume_normal.normalize3fast();
 		
 		if (texgen == LLTextureEntry::TEX_GEN_PLANAR)
@@ -937,7 +946,12 @@ void LLFace::getPlanarProjectedParams(LLQuaternion* face_rot, LLVector3* face_po
 	const LLMatrix4& vol_mat = getWorldMatrix();
 	const LLVolumeFace& vf = getViewerObject()->getVolume()->getVolumeFace(mTEOffset);
 	const LLVector4a& normal4a = vf.mNormals[0];
-	const LLVector4a& binormal4a = vf.mBinormals[0];
+	const LLVector4a& tangent = vf.mTangents[0];
+
+	LLVector4a binormal4a;
+	binormal4a.setCross3(normal4a, tangent);
+	binormal4a.mul(tangent.getF32ptr()[3]);
+
 	LLVector2 projected_binormal;
 	planarProjection(projected_binormal, normal4a, *vf.mCenter, binormal4a);
 	projected_binormal -= LLVector2(0.5f, 0.5f); // this normally happens in xform()
@@ -1067,7 +1081,7 @@ void LLFace::cacheFaceInVRAM(const LLVolumeFace& vf)
 {
 	LLFastTimer t(FTM_FACE_GEOM_VOLUME);
 	U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 |
-				LLVertexBuffer::MAP_BINORMAL | LLVertexBuffer::MAP_NORMAL;
+				LLVertexBuffer::MAP_TANGENT | LLVertexBuffer::MAP_NORMAL;
 	
 	if (vf.mWeights)
 	{
@@ -1080,11 +1094,11 @@ void LLFace::cacheFaceInVRAM(const LLVolumeFace& vf)
 	buff->allocateBuffer(vf.mNumVertices, 0, true);

 	LLStrider<LLVector4a> f_vert;
-	LLStrider<LLVector3> f_binorm;
+	LLStrider<LLVector4a> f_tangent;
 	LLStrider<LLVector3> f_norm;
 	LLStrider<LLVector2> f_tc;

-	buff->getBinormalStrider(f_binorm);
+	buff->getTangentStrider(f_tangent);
 	buff->getVertexStrider(f_vert);
 	buff->getNormalStrider(f_norm);
 	buff->getTexCoord0Strider(f_tc);
@@ -1092,7 +1106,7 @@ void LLFace::cacheFaceInVRAM(const LLVolumeFace& vf)
 	for (U32 i = 0; i < (U32)vf.mNumVertices; ++i)
 	{
 		*f_vert++ = vf.mPositions[i];
-		(*f_binorm++).set(vf.mBinormals[i].getF32ptr());
+		*f_tangent++ = vf.mTangents[i];
 		*f_tc++ = vf.mTexCoords[i];
 		(*f_norm++).set(vf.mNormals[i].getF32ptr());
 	}
@@ -1133,7 +1147,7 @@ static LLFastTimer::DeclareTimer FTM_FACE_GEOM_TEXTURE("Texture");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_COLOR("Color");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_EMISSIVE("Emissive");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_WEIGHTS("Weights");
-static LLFastTimer::DeclareTimer FTM_FACE_GEOM_BINORMAL("Binormal");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_TANGENT("Binormal");

 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK("Face Feedback");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_FEEDBACK_POSITION("Feedback Position");
@@ -1207,7 +1221,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	LLStrider<LLVector2> tex_coords1;
 	LLStrider<LLVector3> norm;
 	LLStrider<LLColor4U> colors;
-	LLStrider<LLVector3> binorm;
+	LLStrider<LLVector3> tangent;
 	LLStrider<U16> indicesp;
 	LLStrider<LLVector4> wght;

@@ -1229,7 +1243,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	bool rebuild_emissive = rebuild_color && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_EMISSIVE);
 	bool rebuild_tcoord = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_TCOORD);
 	bool rebuild_normal = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL);
-	bool rebuild_binormal = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_BINORMAL);
+	bool rebuild_tangent = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TANGENT);
 	bool rebuild_weights = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_WEIGHT4);

 	const LLTextureEntry *tep = mVObjp->getTE(f);
@@ -1374,7 +1388,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,

 		if (vf.mVertexBuffer.isNull() || buff->getNumVerts() != vf.mNumVertices)
 		{
-			mVObjp->getVolume()->genBinormals(f);
+			mVObjp->getVolume()->genTangents(f);
 			LLFace::cacheFaceInVRAM(vf);
 			buff = (LLVertexBuffer*) vf.mVertexBuffer.get();
 		}		
@@ -1459,15 +1473,15 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			glEndTransformFeedback();
 		}

-		if (rebuild_binormal)
+		if (rebuild_tangent)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_FEEDBACK_BINORMAL);
-			gTransformBinormalProgram.bind();
+			LLFastTimer t(FTM_FACE_GEOM_TANGENT);
+			gTransformTangentProgram.bind();
 			
-			mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_BINORMAL, mGeomIndex, mGeomCount);
+			mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_TANGENT, mGeomIndex, mGeomCount);
 						
 			glBeginTransformFeedback(GL_POINTS);
-			buff->setBuffer(LLVertexBuffer::MAP_BINORMAL);
+			buff->setBuffer(LLVertexBuffer::MAP_TANGENT);
 			push_for_transform(buff, vf.mNumVertices, mGeomCount);
 			glEndTransformFeedback();
 		}
@@ -1529,7 +1543,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 			if (bump_code)
 			{
-				mVObjp->getVolume()->genBinormals(f);
+				mVObjp->getVolume()->genTangents(f);
 				F32 offset_multiple; 
 				switch( bump_code )
 				{
@@ -1578,7 +1592,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			U8 texgen = getTextureEntry()->getTexGen();
 			if (rebuild_tcoord && texgen != LLTextureEntry::TEX_GEN_DEFAULT)
 			{ //planar texgen needs binormals
-				mVObjp->getVolume()->genBinormals(f);
+				mVObjp->getVolume()->genTangents(f);
 			}

 			U8 tex_mode = 0;
@@ -1789,11 +1803,14 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 					for (S32 i = 0; i < num_vertices; i++)
 					{
-						LLVector4a tangent;
-						tangent.setCross3(vf.mBinormals[i], vf.mNormals[i]);
+						LLVector4a tangent = vf.mTangents[i];

+						LLVector4a binorm;
+						binorm.setCross3(vf.mNormals[i], tangent);
+						binorm.mul(tangent.getF32ptr()[3]);
+						
 						LLMatrix4a tangent_to_object;
-						tangent_to_object.setRows(tangent, vf.mBinormals[i], vf.mNormals[i]);
+						tangent_to_object.setRows(tangent, binorm, vf.mNormals[i]);
 						LLVector4a t;
 						tangent_to_object.rotate(binormal_dir, t);
 						LLVector4a binormal;
@@ -1899,7 +1916,6 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			LLFastTimer t(FTM_FACE_GEOM_NORMAL);
 			mVertexBuffer->getNormalStrider(norm, mGeomIndex, mGeomCount, map_range);
 			F32* normals = (F32*) norm.get();
-	
 			for (S32 i = 0; i < num_vertices; i++)
 			{	
 				LLVector4a normal;
@@ -1915,19 +1931,27 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			}
 		}
 		
-		if (rebuild_binormal)
+		if (rebuild_tangent)
 		{
-			LLFastTimer t(FTM_FACE_GEOM_BINORMAL);
-			mVertexBuffer->getBinormalStrider(binorm, mGeomIndex, mGeomCount, map_range);
-			F32* binormals = (F32*) binorm.get();
-		
+			LLFastTimer t(FTM_FACE_GEOM_TANGENT);
+			mVertexBuffer->getTangentStrider(tangent, mGeomIndex, mGeomCount, map_range);
+			F32* tangents = (F32*) tangent.get();
+			
+			mVObjp->getVolume()->genTangents(f);
+			
+			LLVector4Logical mask;
+			mask.clear();
+			mask.setElement<3>();
+
 			for (S32 i = 0; i < num_vertices; i++)
-			{	
-				LLVector4a binormal;
-				mat_normal.rotate(vf.mBinormals[i], binormal);
-				binormal.normalize3fast();
-				binormal.store4a(binormals);
-				binormals += 4;
+			{
+				LLVector4a tangent_out;
+				mat_normal.rotate(vf.mTangents[i], tangent_out);
+				tangent_out.normalize3fast();
+				tangent_out.setSelectWithMask(mask, vf.mTangents[i], tangent_out);
+				tangent_out.store4a(tangents);
+				
+				tangents += 4;
 			}

 			if (map_range)
--- a/indra/newview/llface.h
+++ b/indra/newview/llface.h
@@ -121,7 +121,7 @@ public:
 	LLXformMatrix*	getXform()			const	{ return mXform; }
 	BOOL			hasGeometry()		const	{ return mGeomCount > 0; }
 	LLVector3		getPositionAgent()	const;
-	LLVector2       surfaceToTexture(LLVector2 surface_coord, LLVector3 position, LLVector3 normal);
+	LLVector2       surfaceToTexture(LLVector2 surface_coord, const LLVector4a& position, const LLVector4a& normal);
 	void 			getPlanarProjectedParams(LLQuaternion* face_rot, LLVector3* face_pos, F32* scale) const;
 	bool			calcAlignedPlanarTE(const LLFace* align_to, LLVector2* st_offset,
 										LLVector2* st_scale, F32* st_rot) const;
--- a/indra/newview/llflexibleobject.cpp
+++ b/indra/newview/llflexibleobject.cpp
@@ -293,6 +293,9 @@ void LLVolumeImplFlexible::onSetVolume(const LLVolumeParams &volume_params, cons

 void LLVolumeImplFlexible::updateRenderRes()
 {
+	if (!mAttributes)
+		return;
+
 	LLDrawable* drawablep = mVO->mDrawable;

 	S32 new_res = mAttributes->getSimulateLOD();
@@ -424,7 +427,7 @@ void LLVolumeImplFlexible::doFlexibleUpdate()
 		}
 	}

-	if(!mInitialized)
+	if(!mInitialized || !mAttributes)
 	{
 		//the object is not visible
 		return ;
@@ -682,15 +685,17 @@ void LLVolumeImplFlexible::doFlexibleUpdate()
 		new_point = &path->mPath[i];
 		LLVector3 pos = newSection[i].mPosition * rel_xform;
 		LLQuaternion rot = mSection[i].mAxisRotation * newSection[i].mRotation * delta_rot;
-		
-		if (!mUpdated || (new_point->mPos-pos).magVec()/mVO->mDrawable->mDistanceWRTCamera > 0.001f)
+	
+		LLVector3 np(new_point->mPos.getF32ptr());
+
+		if (!mUpdated || (np-pos).magVec()/mVO->mDrawable->mDistanceWRTCamera > 0.001f)
 		{
-			new_point->mPos = newSection[i].mPosition * rel_xform;
+			new_point->mPos.load3((newSection[i].mPosition * rel_xform).mV);
 			mUpdated = FALSE;
 		}

-		new_point->mRot = rot;
-		new_point->mScale = newSection[i].mScale;
+		new_point->mRot.loadu(LLMatrix3(rot));
+		new_point->mScale.set(newSection[i].mScale.mV[0], newSection[i].mScale.mV[1], 0,1);
 		new_point->mTexT = ((F32)i)/(num_render_sections);
 	}

--- a/indra/newview/llfloaterdirectory.cpp
+++ b/indra/newview/llfloaterdirectory.cpp
@@ -161,7 +161,9 @@ private:
 	std::string mMarketplaceURL;
 };

-static void* createWebPanel(void* data)
+namespace {
+
+void* createWebPanel(void* data)
 {
 	struct LLPanelDirWeb : public LLPanelDirFind
 	{
@@ -175,6 +177,8 @@ static void* createWebPanel(void* data)
 	return new LLPanelDirWeb(static_cast<LLFloaterDirectory*>(data));
 }

+} // namespace
+
 LLFloaterDirectory* LLFloaterDirectory::sInstance = NULL;
 //static
 S32 LLFloaterDirectory::sOldSearchCount = 0; // debug
--- a/indra/newview/llhudicon.cpp
+++ b/indra/newview/llhudicon.cpp
@@ -208,7 +208,7 @@ void LLHUDIcon::render()
 	renderIcon(FALSE);
 }

-BOOL LLHUDIcon::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3* intersection)
+BOOL LLHUDIcon::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, LLVector4a* intersection)
 {
 	if (mHidden)
 		return FALSE;
@@ -281,23 +281,18 @@ BOOL LLHUDIcon::lineSegmentIntersect(const LLVector3& start, const LLVector3& en
 	LLVector4a upper_right;
 	upper_right.setAdd(lower_right, y_scalea);

-	LLVector4a enda;
-	enda.load3(end.mV);
-	LLVector4a starta;
-	starta.load3(start.mV);
 	LLVector4a dir;
-	dir.setSub(enda, starta);
+	dir.setSub(end, start);

 	F32 a,b,t;

-	if (LLTriangleRayIntersect(upper_right, upper_left, lower_right, starta, dir, a,b,t) ||
-		LLTriangleRayIntersect(upper_left, lower_left, lower_right, starta, dir, a,b,t))
+	if (LLTriangleRayIntersect(upper_right, upper_left, lower_right, start, dir, a,b,t) ||
+		LLTriangleRayIntersect(upper_left, lower_left, lower_right, start, dir, a,b,t))
 	{
 		if (intersection)
 		{
 			dir.mul(t);
-			starta.add(dir);
-			*intersection = LLVector3(starta.getF32ptr());
+			intersection->setAdd(start, dir);
 		}
 		return TRUE;
 	}
@@ -337,12 +332,12 @@ LLHUDIcon* LLHUDIcon::handlePick(S32 pick_id)
 }

 //static
-LLHUDIcon* LLHUDIcon::lineSegmentIntersectAll(const LLVector3& start, const LLVector3& end, LLVector3* intersection)
+LLHUDIcon* LLHUDIcon::lineSegmentIntersectAll(const LLVector4a& start, const LLVector4a& end, LLVector4a* intersection)
 {
 	icon_instance_t::iterator icon_it;

-	LLVector3 local_end = end;
-	LLVector3 position;
+	LLVector4a local_end = end;
+	LLVector4a position;

 	LLHUDIcon* ret = NULL;
 	for(icon_it = sIconInstances.begin(); icon_it != sIconInstances.end(); ++icon_it)
--- a/indra/newview/llhudicon.h
+++ b/indra/newview/llhudicon.h
@@ -68,7 +68,7 @@ public:

 	static S32 generatePickIDs(S32 start_id, S32 step_size);
 	static LLHUDIcon* handlePick(S32 pick_id);
-	static LLHUDIcon* lineSegmentIntersectAll(const LLVector3& start, const LLVector3& end, LLVector3* intersection);
+	static LLHUDIcon* lineSegmentIntersectAll(const LLVector4a& start, const LLVector4a& end, LLVector4a* intersection);

 	static void updateAll();
 	static void cleanupDeadIcons();
@@ -79,7 +79,7 @@ public:
 	BOOL getHidden() const { return mHidden; }
 	void setHidden( BOOL hide ) { mHidden = hide; }

-	BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3* intersection);
+	BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, LLVector4a* intersection);

 protected:
 	LLHUDIcon(const U8 type);
--- a/indra/newview/llhudnametag.cpp
+++ b/indra/newview/llhudnametag.cpp
@@ -120,7 +120,7 @@ LLHUDNameTag::~LLHUDNameTag()
 }


-BOOL LLHUDNameTag::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3& intersection, BOOL debug_render)
+BOOL LLHUDNameTag::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, LLVector4a& intersection, BOOL debug_render)
 {
 	if (!mVisible || mHidden)
 	{
@@ -218,16 +218,23 @@ BOOL LLHUDNameTag::lineSegmentIntersect(const LLVector3& start, const LLVector3&
 			gGL.vertex3fv(v[2].mV);
 			gGL.end();
 		}
-
-		LLVector3 dir = end-start;
+		LLVector4a dir;
+		dir.setSub(end,start);
 		F32 a, b, t;

-		if (LLTriangleRayIntersect(v[0], v[1], v[2], start, dir, a, b, t, FALSE) ||
-			LLTriangleRayIntersect(v[2], v[3], v[0], start, dir, a, b, t, FALSE) )
+		LLVector4a v0,v1,v2,v3;
+		v0.load3(v[0].mV);
+		v1.load3(v[1].mV);
+		v2.load3(v[2].mV);
+		v3.load3(v[3].mV);
+
+		if (LLTriangleRayIntersect(v0, v1, v2, start, dir, a, b, t) ||
+			LLTriangleRayIntersect(v2, v3, v0, start, dir, a, b, t) )
 		{
 			if (t <= 1.f)
 			{
-				intersection = start + dir*t;
+				dir.mul(t);
+				intersection.setAdd(start, dir);
 				return TRUE;
 			}
 		}
--- a/indra/newview/llhudnametag.h
+++ b/indra/newview/llhudnametag.h
@@ -126,7 +126,7 @@ public:
 	void setHidden( BOOL hide ) { mHidden = hide; }
 	void shift(const LLVector3& offset);

-	BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3& intersection, BOOL debug_render = FALSE);
+	BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, LLVector4a& intersection, BOOL debug_render = FALSE);

 	static void shiftAll(const LLVector3& offset);
 	static void addPickable(std::set<LLViewerObject*> &pick_list);
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -2944,9 +2944,9 @@ void renderNormals(LLDrawable* drawablep)
 				gGL.vertex3fv(face.mPositions[j].getF32ptr());
 				gGL.vertex3fv(p.getF32ptr());
 				
-				if (face.mBinormals)
+				if (face.mTangents)
 				{
-					n.setMul(face.mBinormals[j], scale);
+					n.setMul(face.mTangents[j], scale);
 					p.setAdd(face.mPositions[j], n);
 				
 					gGL.diffuseColor4f(0,1,1,1);
@@ -3694,11 +3694,17 @@ void renderRaycast(LLDrawable* drawablep)
 					gGL.translatef(trans.mV[0], trans.mV[1], trans.mV[2]);					
 					gGL.multMatrix((F32*) vobj->getRelativeXform().mMatrix);

-					LLVector3 start, end;
+					LLVector4a start, end;
 					if (transform)
 					{
-						start = vobj->agentPositionToVolume(gDebugRaycastStart);
-						end = vobj->agentPositionToVolume(gDebugRaycastEnd);
+						LLVector3 v_start(gDebugRaycastStart.getF32ptr());
+						LLVector3 v_end(gDebugRaycastEnd.getF32ptr());
+
+						v_start = vobj->agentPositionToVolume(v_start);
+						v_end = vobj->agentPositionToVolume(v_end);
+
+						start.load3(v_start.mV);
+						end.load3(v_end.mV);
 					}
 					else
 					{
@@ -3706,11 +3712,8 @@ void renderRaycast(LLDrawable* drawablep)
 						end = gDebugRaycastEnd;
 					}

-					LLVector4a starta, enda;
-					starta.load3(start.mV);
-					enda.load3(end.mV);
 					LLVector4a dir;
-					dir.setSub(enda, starta);
+					dir.setSub(end, start);

 					gGL.flush();
 					glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);				
@@ -3733,10 +3736,11 @@ void renderRaycast(LLDrawable* drawablep)
 							((LLVolumeFace*) &face)->createOctree(); 
 						}

-						LLRenderOctreeRaycast render(starta, dir, &t);
+						LLRenderOctreeRaycast render(start, dir, &t);
 					
 						render.traverse(face.mOctree);
 					}
+
 					gGL.popMatrix();		
 					glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
 				}
@@ -3757,10 +3761,18 @@ void renderRaycast(LLDrawable* drawablep)
 			// draw intersection point
 			gGL.pushMatrix();
 			gGL.loadMatrix(gGLModelView);
-			LLVector3 translate = gDebugRaycastIntersection;
+			LLVector3 translate(gDebugRaycastIntersection.getF32ptr());
 			gGL.translatef(translate.mV[0], translate.mV[1], translate.mV[2]);
 			LLCoordFrame orient;
-			orient.lookDir(gDebugRaycastNormal, gDebugRaycastBinormal);
+			LLVector4a debug_binormal;
+			
+			debug_binormal.setCross3(gDebugRaycastNormal, gDebugRaycastTangent);
+			debug_binormal.mul(gDebugRaycastTangent.getF32ptr()[3]);
+
+			LLVector3 normal(gDebugRaycastNormal.getF32ptr());
+			LLVector3 binormal(debug_binormal.getF32ptr());
+						
+			orient.lookDir(normal, binormal);
 			LLMatrix4 rotation;
 			orient.getRotMatrixToParent(rotation);
 			gGL.multMatrix((float*)rotation.mMatrix);
@@ -4261,28 +4273,30 @@ BOOL LLSpatialPartition::isVisible(const LLVector3& v)
 	return TRUE;
 }

+LL_ALIGN_PREFIX(16)
 class LLOctreeIntersect : public LLSpatialGroup::OctreeTraveler
 {
 public:
-	LLVector3 mStart;
-	LLVector3 mEnd;
+	LL_ALIGN_16(LLVector4a mStart);
+	LL_ALIGN_16(LLVector4a mEnd);
+
 	S32       *mFaceHit;
-	LLVector3 *mIntersection;
+	LLVector4a *mIntersection;
 	LLVector2 *mTexCoord;
-	LLVector3 *mNormal;
-	LLVector3 *mBinormal;
+	LLVector4a *mNormal;
+	LLVector4a *mTangent;
 	LLDrawable* mHit;
 	BOOL mPickTransparent;

-	LLOctreeIntersect(LLVector3 start, LLVector3 end, BOOL pick_transparent,
-					  S32* face_hit, LLVector3* intersection, LLVector2* tex_coord, LLVector3* normal, LLVector3* binormal)
+	LLOctreeIntersect(const LLVector4a& start, const LLVector4a& end, BOOL pick_transparent,
+					  S32* face_hit, LLVector4a* intersection, LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent)
 		: mStart(start),
 		  mEnd(end),
 		  mFaceHit(face_hit),
 		  mIntersection(intersection),
 		  mTexCoord(tex_coord),
 		  mNormal(normal),
-		  mBinormal(binormal),
+		  mTangent(tangent),
 		  mHit(NULL),
 		  mPickTransparent(pick_transparent)
 	{
@@ -4315,23 +4329,22 @@ public:
 			size = group->mBounds[1];
 			center = group->mBounds[0];
 			
-			LLVector3 local_start = mStart;
-			LLVector3 local_end   = mEnd;
+			LLVector4a local_start = mStart;
+			LLVector4a local_end   = mEnd;

 			if (group->mSpatialPartition->isBridge())
 			{
 				LLMatrix4 local_matrix = group->mSpatialPartition->asBridge()->mDrawable->getRenderMatrix();
 				local_matrix.invert();
-				
-				local_start = mStart * local_matrix;
-				local_end   = mEnd   * local_matrix;
+
+				LLMatrix4a local_matrix4a;
+				local_matrix4a.loadu(local_matrix);
+
+				local_matrix4a.affineTransform(mStart, local_start);
+				local_matrix4a.affineTransform(mEnd, local_end);
 			}

-			LLVector4a start, end;
-			start.load3(local_start.mV);
-			end.load3(local_end.mV);
-
-			if (LLLineSegmentBoxIntersect(start, end, center, size))
+			if (LLLineSegmentBoxIntersect(local_start, local_end, center, size))
 			{
 				check(child);
 			}
@@ -4362,14 +4375,14 @@ public:

 			if (vobj)
 			{
-				LLVector3 intersection;
+				LLVector4a intersection;
 				bool skip_check = false;
 				if (vobj->isAvatar())
 				{
 					LLVOAvatar* avatar = (LLVOAvatar*) vobj;
 					if (avatar->isSelf() && gFloaterTools->getVisible())
 					{
-						LLViewerObject* hit = avatar->lineSegmentIntersectRiggedAttachments(mStart, mEnd, -1, mPickTransparent, mFaceHit, &intersection, mTexCoord, mNormal, mBinormal);
+						LLViewerObject* hit = avatar->lineSegmentIntersectRiggedAttachments(mStart, mEnd, -1, mPickTransparent, mFaceHit, &intersection, mTexCoord, mNormal, mTangent);
 						if (hit)
 						{
 							mEnd = intersection;
@@ -4389,7 +4402,7 @@ public:
 					}
 				}

-				if (!skip_check && vobj->lineSegmentIntersect(mStart, mEnd, -1, mPickTransparent, mFaceHit, &intersection, mTexCoord, mNormal, mBinormal))
+				if (!skip_check && vobj->lineSegmentIntersect(mStart, mEnd, -1, mPickTransparent, mFaceHit, &intersection, mTexCoord, mNormal, mTangent))
 				{
 					mEnd = intersection;  // shorten ray so we only find CLOSER hits
 					if (mIntersection)
@@ -4404,19 +4417,19 @@ public:
 				
 		return false;
 	}
-};
+} LL_ALIGN_POSTFIX(16);

-LLDrawable* LLSpatialPartition::lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
+LLDrawable* LLSpatialPartition::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
 													 BOOL pick_transparent,													
 													 S32* face_hit,                   // return the face hit
-													 LLVector3* intersection,         // return the intersection point
+													 LLVector4a* 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
+													 LLVector4a* normal,               // return the surface normal at the intersection point
+													 LLVector4a* tangent			// return the surface tangent at the intersection point
 	)

 {
-	LLOctreeIntersect intersect(start, end, pick_transparent, face_hit, intersection, tex_coord, normal, bi_normal);
+	LLOctreeIntersect intersect(start, end, pick_transparent, face_hit, intersection, tex_coord, normal, tangent);
 	LLDrawable* drawable = intersect.check(mOctree);

 	return drawable;
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -457,13 +457,13 @@ public:
 	LLSpatialGroup *put(LLDrawable *drawablep, BOOL was_visible = FALSE);
 	BOOL remove(LLDrawable *drawablep, LLSpatialGroup *curp);
 	
-	LLDrawable* lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
+	LLDrawable* lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
 									 BOOL pick_transparent, 
 									 S32* face_hit,                          // return the face hit
-									 LLVector3* intersection = NULL,         // return the intersection point
+									 LLVector4a* intersection = NULL,         // return the intersection point
 									 LLVector2* tex_coord = NULL,            // return the texture coordinates of the intersection point
-									 LLVector3* normal = NULL,               // return the surface normal at the intersection point
-									 LLVector3* bi_normal = NULL             // return the surface bi-normal at the intersection point
+									 LLVector4a* normal = NULL,               // return the surface normal at the intersection point
+									 LLVector4a* tangent = NULL             // return the surface tangent at the intersection point
 		);
 	
 	
@@ -695,7 +695,7 @@ class LLVolumeGeometryManager: public LLGeometryManager
 	virtual void rebuildGeom(LLSpatialGroup* group);
 	virtual void rebuildMesh(LLSpatialGroup* group);
 	virtual void getGeometry(LLSpatialGroup* group);
-	void genDrawInfo(LLSpatialGroup* group, U32 mask, std::vector<LLFace*>& faces, BOOL distance_sort = FALSE, BOOL batch_textures = FALSE);
+	void genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace** faces, U32 face_count, BOOL distance_sort = FALSE, BOOL batch_textures = FALSE, BOOL no_materials = FALSE);
 	void registerFace(LLSpatialGroup* group, LLFace* facep, U32 type);
 };

--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -1572,12 +1572,6 @@ void render_ui_2d()

 void render_disconnected_background()
 {
-	if (LLGLSLShader::sNoFixedFunction)
-	{
-		gUIProgram.bind();
-	}
-
-	gGL.color4f(1,1,1,1);
 	if (!gDisconnectedImagep && gDisconnected)
 	{
 		llinfos << "Loading last bitmap..." << llendl;
@@ -1619,7 +1613,6 @@ void render_disconnected_background()
 		raw->expandToPowerOfTwo();
 		gDisconnectedImagep = LLViewerTextureManager::getLocalTexture(raw.get(), FALSE );
 		gStartTexture = gDisconnectedImagep;
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 	}

 	// Make sure the progress view always fills the entire window.
@@ -1628,6 +1621,10 @@ void render_disconnected_background()

 	if (gDisconnectedImagep)
 	{
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gUIProgram.bind();
+		}
 		LLGLSUIDefault gls_ui;
 		gViewerWindow->setup2DRender();
 		gGL.pushMatrix();
@@ -1644,14 +1641,12 @@ void render_disconnected_background()
 			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 		}
 		gGL.popMatrix();
+		gGL.flush();
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gUIProgram.unbind();
+		}
 	}
-	gGL.flush();
-
-	if (LLGLSLShader::sNoFixedFunction)
-	{
-		gUIProgram.unbind();
-	}
-
 }

 void display_cleanup()
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -3907,19 +3907,19 @@ LLViewerObject* LLViewerObject::getRootEdit() const
 }


-BOOL LLViewerObject::lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
+BOOL LLViewerObject::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
 										  S32 face,
 										  BOOL pick_transparent,
 										  S32* face_hit,
-										  LLVector3* intersection,
+										  LLVector4a* intersection,
 										  LLVector2* tex_coord,
-										  LLVector3* normal,
-										  LLVector3* bi_normal)
+										  LLVector4a* normal,
+										  LLVector4a* tangent)
 {
 	return false;
 }

-BOOL LLViewerObject::lineSegmentBoundingBox(const LLVector3& start, const LLVector3& end)
+BOOL LLViewerObject::lineSegmentBoundingBox(const LLVector4a& start, const LLVector4a& end)
 {
 	if (mDrawable.isNull() || mDrawable->isDead())
 	{
@@ -3936,11 +3936,7 @@ BOOL LLViewerObject::lineSegmentBoundingBox(const LLVector3& start, const LLVect
 	size.setSub(ext[1], ext[0]);
 	size.mul(0.5f);

-	LLVector4a starta, enda;
-	starta.load3(start.mV);
-	enda.load3(end.mV);
-
-	return LLLineSegmentBoxIntersect(starta, enda, center, size);
+	return LLLineSegmentBoxIntersect(start, end, center, size);
 }

 U8 LLViewerObject::getMediaType() const
--- a/indra/newview/llviewerobject.h
+++ b/indra/newview/llviewerobject.h
@@ -262,17 +262,17 @@ public:

 	//detect if given line segment (in agent space) intersects with this viewer object.
 	//returns TRUE if intersection detected and returns information about intersection
-	virtual BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
+	virtual BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
 									  S32 face = -1,                          // which face to check, -1 = ALL_SIDES
 									  BOOL pick_transparent = FALSE,
 									  S32* face_hit = NULL,                   // which face was hit
-									  LLVector3* intersection = NULL,         // return the intersection point
+									  LLVector4a* intersection = NULL,         // return the intersection point
 									  LLVector2* tex_coord = NULL,            // return the texture coordinates of the intersection point
-									  LLVector3* normal = NULL,               // return the surface normal at the intersection point
-									  LLVector3* bi_normal = NULL             // return the surface bi-normal at the intersection point
+									  LLVector4a* normal = NULL,               // return the surface normal at the intersection point
+									  LLVector4a* tangent = NULL             // return the surface tangent at the intersection point
 		);
 	
-	virtual BOOL lineSegmentBoundingBox(const LLVector3& start, const LLVector3& end);
+	virtual BOOL lineSegmentBoundingBox(const LLVector4a& start, const LLVector4a& end);

 	virtual const LLVector3d getPositionGlobal() const;
 	virtual const LLVector3 &getPositionRegion() const;
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -77,7 +77,7 @@ LLGLSLShader			gTransformPositionProgram(LLViewerShaderMgr::SHADER_TRANSFORM);
 LLGLSLShader			gTransformTexCoordProgram(LLViewerShaderMgr::SHADER_TRANSFORM);
 LLGLSLShader			gTransformNormalProgram(LLViewerShaderMgr::SHADER_TRANSFORM);
 LLGLSLShader			gTransformColorProgram(LLViewerShaderMgr::SHADER_TRANSFORM);
-LLGLSLShader			gTransformBinormalProgram(LLViewerShaderMgr::SHADER_TRANSFORM);
+LLGLSLShader			gTransformTangentProgram(LLViewerShaderMgr::SHADER_TRANSFORM);

 //utility shaders
 LLGLSLShader	gOcclusionProgram(LLViewerShaderMgr::SHADER_INTERFACE);
@@ -2747,16 +2747,16 @@ BOOL LLViewerShaderMgr::loadTransformShaders()

 	if (success)
 	{
-		gTransformBinormalProgram.mName = "Binormal Transform Shader";
-		gTransformBinormalProgram.mShaderFiles.clear();
-		gTransformBinormalProgram.mShaderFiles.push_back(make_pair("transform/binormalV.glsl", GL_VERTEX_SHADER_ARB));
-		gTransformBinormalProgram.mShaderLevel = mVertexShaderLevel[SHADER_TRANSFORM];
+		gTransformTangentProgram.mName = "Binormal Transform Shader";
+		gTransformTangentProgram.mShaderFiles.clear();
+		gTransformTangentProgram.mShaderFiles.push_back(make_pair("transform/binormalV.glsl", GL_VERTEX_SHADER_ARB));
+		gTransformTangentProgram.mShaderLevel = mVertexShaderLevel[SHADER_TRANSFORM];

 		const char* varyings[] = {
-			"binormal_out",
+			"tangent_out",
 		};
 	
-		success = gTransformBinormalProgram.createShader(NULL, NULL, 1, varyings);
+		success = gTransformTangentProgram.createShader(NULL, NULL, 1, varyings);
 	}

 	
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -234,7 +234,7 @@ extern LLGLSLShader			gTransformPositionProgram;
 extern LLGLSLShader			gTransformTexCoordProgram;
 extern LLGLSLShader			gTransformNormalProgram;
 extern LLGLSLShader			gTransformColorProgram;
-extern LLGLSLShader			gTransformBinormalProgram;
+extern LLGLSLShader			gTransformTangentProgram;
 //utility shaders
 extern LLGLSLShader			gOcclusionProgram;
 extern LLGLSLShader			gOcclusionCubeProgram;
@@ -244,7 +244,6 @@ extern LLGLSLShader			gSplatTextureRectProgram;
 extern LLGLSLShader			gGlowCombineFXAAProgram;
 extern LLGLSLShader			gDebugProgram;
 extern LLGLSLShader			gClipProgram;
-extern LLGLSLShader			gAlphaMaskProgram;

 //output tex0[tc0] + tex1[tc1]
 extern LLGLSLShader			gTwoTextureAddProgram;
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -218,13 +218,13 @@ BOOL			gShowOverlayTitle = FALSE;
 BOOL			gPickTransparent = TRUE;

 LLViewerObject*  gDebugRaycastObject = NULL;
-LLVector3       gDebugRaycastIntersection;
-LLVector2       gDebugRaycastTexCoord;
-LLVector3       gDebugRaycastNormal;
-LLVector3       gDebugRaycastBinormal;
-S32				gDebugRaycastFaceHit;
-LLVector3		gDebugRaycastStart;
-LLVector3		gDebugRaycastEnd;
+LLVector4a       gDebugRaycastIntersection;
+LLVector2        gDebugRaycastTexCoord;
+LLVector4a       gDebugRaycastNormal;
+LLVector4a       gDebugRaycastTangent;
+S32				 gDebugRaycastFaceHit;
+LLVector4a		 gDebugRaycastStart;
+LLVector4a		 gDebugRaycastEnd;

 // HUD display lines in lower right
 BOOL				gDisplayWindInfo = FALSE;
@@ -3045,7 +3045,7 @@ void LLViewerWindow::updateUI()
 											  &gDebugRaycastIntersection,
 											  &gDebugRaycastTexCoord,
 											  &gDebugRaycastNormal,
-											  &gDebugRaycastBinormal,
+											  &gDebugRaycastTangent,
 											  &gDebugRaycastStart,
 											  &gDebugRaycastEnd);
 	}
@@ -3989,7 +3989,7 @@ LLPickInfo LLViewerWindow::pickImmediate(S32 x, S32 y_from_bot,  BOOL pick_trans
 }

 LLHUDIcon* LLViewerWindow::cursorIntersectIcon(S32 mouse_x, S32 mouse_y, F32 depth,
-										   LLVector3* intersection)
+										   LLVector4a* intersection)
 {
 	S32 x = mouse_x;
 	S32 y = mouse_y;
@@ -4006,9 +4006,11 @@ LLHUDIcon* LLViewerWindow::cursorIntersectIcon(S32 mouse_x, S32 mouse_y, F32 dep
 	LLVector3 mouse_world_start = mouse_point_global;
 	LLVector3 mouse_world_end   = mouse_point_global + mouse_direction_global * depth;

-	return LLHUDIcon::lineSegmentIntersectAll(mouse_world_start, mouse_world_end, intersection);
-
+	LLVector4a start, end;
+	start.load3(mouse_world_start.mV);
+	end.load3(mouse_world_end.mV);
 	
+	return LLHUDIcon::lineSegmentIntersectAll(start, end, intersection);
 }

 LLViewerObject* LLViewerWindow::cursorIntersect(S32 mouse_x, S32 mouse_y, F32 depth,
@@ -4016,12 +4018,12 @@ LLViewerObject* LLViewerWindow::cursorIntersect(S32 mouse_x, S32 mouse_y, F32 de
 												S32 this_face,
 												BOOL pick_transparent,
 												S32* face_hit,
-												LLVector3 *intersection,
+												LLVector4a *intersection,
 												LLVector2 *uv,
-												LLVector3 *normal,
-												LLVector3 *binormal,
-												LLVector3* start,
-												LLVector3* end)
+												LLVector4a *normal,
+												LLVector4a *tangent,
+												LLVector4a* start,
+												LLVector4a* end)
 {
 	S32 x = mouse_x;
 	S32 y = mouse_y;
@@ -4056,17 +4058,27 @@ LLViewerObject* LLViewerWindow::cursorIntersect(S32 mouse_x, S32 mouse_y, F32 de
 	if (!LLViewerJoystick::getInstance()->getOverrideCamera())
 	{ //always set raycast intersection to mouse_world_end unless
 		//flycam is on (for DoF effect)
-		gDebugRaycastIntersection = mouse_world_end;
+		gDebugRaycastIntersection.load3(mouse_world_end.mV);
 	}

+	LLVector4a mw_start;
+	mw_start.load3(mouse_world_start.mV);
+	LLVector4a mw_end;
+	mw_end.load3(mouse_world_end.mV);
+
+	LLVector4a mh_start;
+	mh_start.load3(mouse_hud_start.mV);
+	LLVector4a mh_end;
+	mh_end.load3(mouse_hud_end.mV);
+
 	if (start)
 	{
-		*start = mouse_world_start;
+		*start = mw_start;
 	}

 	if (end)
 	{
-		*end = mouse_world_end;
+		*end = mw_end;
 	}

 	LLViewerObject* found = NULL;
@@ -4075,25 +4087,25 @@ LLViewerObject* LLViewerWindow::cursorIntersect(S32 mouse_x, S32 mouse_y, F32 de
 	{
 		if (this_object->isHUDAttachment()) // is a HUD object?
 		{
-			if (this_object->lineSegmentIntersect(mouse_hud_start, mouse_hud_end, this_face, pick_transparent,
-												  face_hit, intersection, uv, normal, binormal))
+			if (this_object->lineSegmentIntersect(mh_start, mh_end, this_face, pick_transparent,
+												  face_hit, intersection, uv, normal, tangent))
 			{
 				found = this_object;
 			}
-			}
+		}
 		else // is a world object
 		{
-			if (this_object->lineSegmentIntersect(mouse_world_start, mouse_world_end, this_face, pick_transparent,
-												  face_hit, intersection, uv, normal, binormal))
+			if (this_object->lineSegmentIntersect(mw_start, mw_end, this_face, pick_transparent,
+												  face_hit, intersection, uv, normal, tangent))
 			{
 				found = this_object;
 			}
-			}
-			}
+		}
+	}
 	else // check ALL objects
 	{
-		found = gPipeline.lineSegmentIntersectInHUD(mouse_hud_start, mouse_hud_end, pick_transparent,
-													face_hit, intersection, uv, normal, binormal);
+		found = gPipeline.lineSegmentIntersectInHUD(mh_start, mh_end, pick_transparent,
+													face_hit, intersection, uv, normal, tangent);

 // [RLVa:KB] - Checked: 2009-12-28 (RLVa-1.1.0k) | Modified: RLVa-1.1.0k
 		if ( (rlv_handler_t::isEnabled()) && (LLToolCamera::getInstance()->hasMouseCapture()) && (gKeyboard->currentMask(TRUE) & MASK_ALT) )
@@ -4104,8 +4116,8 @@ LLViewerObject* LLViewerWindow::cursorIntersect(S32 mouse_x, S32 mouse_y, F32 de

 		if (!found) // if not found in HUD, look in world:
 		{
-			found = gPipeline.lineSegmentIntersectInWorld(mouse_world_start, mouse_world_end, pick_transparent,
-														  face_hit, intersection, uv, normal, binormal);
+			found = gPipeline.lineSegmentIntersectInWorld(mw_start, mw_end, pick_transparent,
+														  face_hit, intersection, uv, normal, tangent);

 // [RLVa:KB] - Checked: 2010-01-02 (RLVa-1.1.0l) | Added: RLVa-1.1.0l
 #ifdef RLV_EXTENSION_CMD_INTERACT
@@ -4125,6 +4137,10 @@ LLViewerObject* LLViewerWindow::cursorIntersect(S32 mouse_x, S32 mouse_y, F32 de
 			}
 #endif // RLV_EXTENSION_CMD_INTERACT
 // [/RLVa:KB]
+			if (found && !pick_transparent)
+			{
+				gDebugRaycastIntersection = *intersection;
+			}
 		}
 	}

@@ -5822,6 +5838,7 @@ LLPickInfo::LLPickInfo()
 	  mXYCoords(-1, -1),
 	  mIntersection(),
 	  mNormal(),
+	  mTangent(),
 	  mBinormal(),
 	  mHUDIcon(NULL),
 	  mPickTransparent(FALSE)
@@ -5843,6 +5860,7 @@ LLPickInfo::LLPickInfo(const LLCoordGL& mouse_pos,
 	  mSTCoords(-1.f, -1.f),
 	  mXYCoords(-1, -1),
 	  mNormal(),
+	  mTangent(),
 	  mBinormal(),
 	  mHUDIcon(NULL),
 	  mPickTransparent(pick_transparent)
@@ -5853,19 +5871,26 @@ void LLPickInfo::fetchResults()
 {

 	S32 face_hit = -1;
-	LLVector3 intersection, normal, binormal;
+	LLVector4a intersection, normal;
+	LLVector4a tangent;
+
 	LLVector2 uv;

 	LLHUDIcon* hit_icon = gViewerWindow->cursorIntersectIcon(mMousePt.mX, mMousePt.mY, 512.f, &intersection);
 	
+	LLVector4a origin;
+	origin.load3(LLViewerCamera::getInstance()->getOrigin().mV);
 	F32 icon_dist = 0.f;
 	if (hit_icon)
 	{
-		icon_dist = (LLViewerCamera::getInstance()->getOrigin()-intersection).magVec();
+		LLVector4a delta;
+		delta.setSub(intersection, origin);
+		icon_dist = delta.getLength3().getF32();
 	}
+
 	LLViewerObject* hit_object = gViewerWindow->cursorIntersect(mMousePt.mX, mMousePt.mY, 512.f,
 									NULL, -1, mPickTransparent, &face_hit,
-									&intersection, &uv, &normal, &binormal);
+									&intersection, &uv, &normal, &tangent);
 	
 	mPickPt = mMousePt;

@@ -5875,9 +5900,13 @@ void LLPickInfo::fetchResults()
 	
 	LLViewerObject* objectp = hit_object;

+
+	LLVector4a delta;
+	delta.setSub(origin, intersection);
+
 	if (hit_icon && 
 		(!objectp || 
-		icon_dist < (LLViewerCamera::getInstance()->getOrigin()-intersection).magVec()))
+		icon_dist < delta.getLength3().getF32()))
 	{
 		// was this name referring to a hud icon?
 		mHUDIcon = hit_icon;
@@ -5914,11 +5943,16 @@ void LLPickInfo::fetchResults()
 			{
 				mPickType = PICK_OBJECT;
 			}
-			mObjectOffset = gAgentCamera.calcFocusOffset(objectp, intersection, mPickPt.mX, mPickPt.mY);
+
+			LLVector3 v_intersection(intersection.getF32ptr());
+
+			mObjectOffset = gAgentCamera.calcFocusOffset(objectp, v_intersection, mPickPt.mX, mPickPt.mY);
 			mObjectID = objectp->mID;
 			mObjectFace = (te_offset == NO_FACE) ? -1 : (S32)te_offset;

-			mPosGlobal = gAgent.getPosGlobalFromAgent(intersection);
+			
+
+			mPosGlobal = gAgent.getPosGlobalFromAgent(v_intersection);
 			
 			if (mWantSurfaceInfo)
 			{
@@ -5962,7 +5996,16 @@ void LLPickInfo::getSurfaceInfo()
 	mIntersection = LLVector3(0,0,0);
 	mNormal       = LLVector3(0,0,0);
 	mBinormal     = LLVector3(0,0,0);
+	mTangent	  = LLVector4(0,0,0,0);
 	
+	LLVector4a tangent;
+	LLVector4a intersection;
+	LLVector4a normal;
+
+	tangent.clear();
+	normal.clear();
+	intersection.clear();
+
 	LLViewerObject* objectp = getObject();

 	if (objectp)
@@ -5970,10 +6013,10 @@ void LLPickInfo::getSurfaceInfo()
 		if (gViewerWindow->cursorIntersect(llround((F32)mMousePt.mX), llround((F32)mMousePt.mY), 1024.f,
 										   objectp, -1, mPickTransparent,
 										   &mObjectFace,
-										   &mIntersection,
+										   &intersection,
 										   &mSTCoords,
-										   &mNormal,
-										   &mBinormal))
+										   &normal,
+										   &tangent))
 		{
 			// if we succeeded with the intersect above, compute the texture coordinates:

@@ -5982,10 +6025,26 @@ void LLPickInfo::getSurfaceInfo()
 				LLFace* facep = objectp->mDrawable->getFace(mObjectFace);
 				if (facep)
 				{
-					mUVCoords = facep->surfaceToTexture(mSTCoords, mIntersection, mNormal);
+					mUVCoords = facep->surfaceToTexture(mSTCoords, intersection, normal);
 				}
 			}

+			mIntersection.set(intersection.getF32ptr());
+			mNormal.set(normal.getF32ptr());
+			mTangent.set(tangent.getF32ptr());
+
+			//extrapoloate binormal from normal and tangent
+			
+			LLVector4a binormal;
+			binormal.setCross3(normal, tangent);
+			binormal.mul(tangent.getF32ptr()[3]);
+
+			mBinormal.set(binormal.getF32ptr());
+
+			mBinormal.normalize();
+			mNormal.normalize();
+			mTangent.normalize();
+
 			// and XY coords:
 			updateXYCoords();
 			
--- a/indra/newview/llviewerwindow.h
+++ b/indra/newview/llviewerwindow.h
@@ -115,6 +115,7 @@ public:
 	LLVector2       mSTCoords;
 	LLCoordScreen	mXYCoords;
 	LLVector3		mNormal;
+	LLVector4		mTangent;
 	LLVector3		mBinormal;
 	BOOL			mPickTransparent;
 	void		    getSurfaceInfo();
@@ -347,19 +348,19 @@ public:
 	static void     hoverPickCallback(const LLPickInfo& pick_info);
 	
 	LLHUDIcon* cursorIntersectIcon(S32 mouse_x, S32 mouse_y, F32 depth,
-										   LLVector3* intersection);
+										   LLVector4a* intersection);

 	LLViewerObject* cursorIntersect(S32 mouse_x = -1, S32 mouse_y = -1, F32 depth = 512.f,
 									LLViewerObject *this_object = NULL,
 									S32 this_face = -1,
 									BOOL pick_transparent = FALSE,
 									S32* face_hit = NULL,
-									LLVector3 *intersection = NULL,
+									LLVector4a *intersection = NULL,
 									LLVector2 *uv = NULL,
-									LLVector3 *normal = NULL,
-									LLVector3 *binormal = NULL,
-									LLVector3* start = NULL,
-									LLVector3* end = NULL);
+									LLVector4a *normal = NULL,
+									LLVector4a *tangent = NULL,
+									LLVector4a* start = NULL,
+									LLVector4a* end = NULL);
 	
 	
 	// Returns a pointer to the last object hit
@@ -509,13 +510,13 @@ extern LLFrameTimer		gAwayTimer;				// tracks time before setting the avatar awa
 extern LLFrameTimer		gAwayTriggerTimer;		// how long the avatar has been away

 extern LLViewerObject*  gDebugRaycastObject;
-extern LLVector3        gDebugRaycastIntersection;
+extern LLVector4a       gDebugRaycastIntersection;
 extern LLVector2        gDebugRaycastTexCoord;
-extern LLVector3        gDebugRaycastNormal;
-extern LLVector3        gDebugRaycastBinormal;
+extern LLVector4a       gDebugRaycastNormal;
+extern LLVector4a       gDebugRaycastTangent;
 extern S32				gDebugRaycastFaceHit;
-extern LLVector3		gDebugRaycastStart;
-extern LLVector3		gDebugRaycastEnd;
+extern LLVector4a		gDebugRaycastStart;
+extern LLVector4a		gDebugRaycastEnd;

 extern BOOL			gDisplayCameraPos;
 extern BOOL			gDisplayWindInfo;
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -1730,19 +1730,20 @@ void LLVOAvatar::renderCollisionVolumes()

 	if (mNameText.notNull())
 	{
-		LLVector3 unused;
-		mNameText->lineSegmentIntersect(LLVector3(0,0,0), LLVector3(0,0,1), unused, TRUE);
+		LLVector4a unused;
+	
+		mNameText->lineSegmentIntersect(unused, unused, unused, TRUE);
 	}
 }

-BOOL LLVOAvatar::lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
+BOOL LLVOAvatar::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
 									  S32 face,
 									  BOOL pick_transparent,
 									  S32* face_hit,
-									  LLVector3* intersection,
+									  LLVector4a* intersection,
 									  LLVector2* tex_coord,
-									  LLVector3* normal,
-									  LLVector3* bi_normal)
+									  LLVector4a* normal,
+									  LLVector4a* tangent)
 {
 	if ((isSelf() && !gAgent.needsRenderAvatar()) || !LLPipeline::sPickAvatar)
 	{
@@ -1759,8 +1760,8 @@ BOOL LLVOAvatar::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 			glh::matrix4f inverse = mat.inverse();
 			glh::matrix4f norm_mat = inverse.transpose();

-			glh::vec3f p1(start.mV);
-			glh::vec3f p2(end.mV);
+			glh::vec3f p1(start.getF32ptr());
+			glh::vec3f p2(end.getF32ptr());

 			inverse.mult_matrix_vec(p1);
 			inverse.mult_matrix_vec(p2);
@@ -1779,12 +1780,12 @@ BOOL LLVOAvatar::lineSegmentIntersect(const LLVector3& start, const LLVector3& e

 				if (intersection)
 				{
-					*intersection = LLVector3(res_pos.v);
+					intersection->load3(res_pos.v);
 				}

 				if (normal)
 				{
-					*normal = LLVector3(res_norm.v);
+					normal->load3(res_norm.v);
 				}

 				return TRUE;
@@ -1818,7 +1819,8 @@ BOOL LLVOAvatar::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 		}
 	}
 	
-	LLVector3 position;
+	
+	LLVector4a position;
 	if (mNameText.notNull() && mNameText->lineSegmentIntersect(start, end, position))
 	{
 		if (intersection)
@@ -1832,14 +1834,14 @@ BOOL LLVOAvatar::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 	return FALSE;
 }

-LLViewerObject* LLVOAvatar::lineSegmentIntersectRiggedAttachments(const LLVector3& start, const LLVector3& end,
+LLViewerObject* LLVOAvatar::lineSegmentIntersectRiggedAttachments(const LLVector4a& start, const LLVector4a& end,
 									  S32 face,
 									  BOOL pick_transparent,
 									  S32* face_hit,
-									  LLVector3* intersection,
+									  LLVector4a* intersection,
 									  LLVector2* tex_coord,
-									  LLVector3* normal,
-									  LLVector3* bi_normal)
+									  LLVector4a* normal,
+									  LLVector4a* tangent)
 {
 	static const LLCachedControl<bool> allow_mesh_picking("SGAllowRiggedMeshSelection");

@@ -1852,8 +1854,8 @@ LLViewerObject* LLVOAvatar::lineSegmentIntersectRiggedAttachments(const LLVector

 	if (lineSegmentBoundingBox(start, end))
 	{
-		LLVector3 local_end = end;
-		LLVector3 local_intersection;
+		LLVector4a local_end = end;
+		LLVector4a local_intersection;

 		for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
 			iter != mAttachmentPoints.end();
@@ -1867,7 +1869,7 @@ LLViewerObject* LLVOAvatar::lineSegmentIntersectRiggedAttachments(const LLVector
 			{
 				LLViewerObject* attached_object = (*attachment_iter);
 					
-				if (attached_object->lineSegmentIntersect(start, local_end, face, pick_transparent, face_hit, &local_intersection, tex_coord, normal, bi_normal))
+				if (attached_object->lineSegmentIntersect(start, local_end, face, pick_transparent, face_hit, &local_intersection, tex_coord, normal, tangent))
 				{
 					local_end = local_intersection;
 					if (intersection)
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -201,22 +201,22 @@ public:
 	/*virtual*/ void   	 	 	updateRegion(LLViewerRegion *regionp);
 	/*virtual*/ void   	 	 	updateSpatialExtents(LLVector4a& newMin, LLVector4a &newMax);
 	/*virtual*/ void   	 	 	getSpatialExtents(LLVector4a& newMin, LLVector4a& newMax);
-	/*virtual*/ BOOL   	 	 	lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
+	/*virtual*/ BOOL   	 	 	lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
 												 S32 face = -1,                    // which face to check, -1 = ALL_SIDES
 												 BOOL pick_transparent = FALSE,
 												 S32* face_hit = NULL,             // which face was hit
-												 LLVector3* intersection = NULL,   // return the intersection point
+												 LLVector4a* intersection = NULL,   // return the intersection point
 												 LLVector2* tex_coord = NULL,      // return the texture coordinates of the intersection point
-												 LLVector3* normal = NULL,         // return the surface normal at the intersection point
-												 LLVector3* bi_normal = NULL);     // return the surface bi-normal at the intersection point
-	LLViewerObject*	lineSegmentIntersectRiggedAttachments(const LLVector3& start, const LLVector3& end,
+												 LLVector4a* normal = NULL,         // return the surface normal at the intersection point
+												 LLVector4a* tangent = NULL);     // return the surface tangent at the intersection point
+	LLViewerObject*	lineSegmentIntersectRiggedAttachments(const LLVector4a& start, const LLVector4a& end,
 												 S32 face = -1,                    // which face to check, -1 = ALL_SIDES
 												 BOOL pick_transparent = FALSE,
 												 S32* face_hit = NULL,             // which face was hit
-												 LLVector3* intersection = NULL,   // return the intersection point
+												 LLVector4a* intersection = NULL,   // return the intersection point
 												 LLVector2* tex_coord = NULL,      // return the texture coordinates of the intersection point
-												 LLVector3* normal = NULL,         // return the surface normal at the intersection point
-												 LLVector3* bi_normal = NULL);     // return the surface bi-normal at the intersection point
+												 LLVector4a* normal = NULL,         // return the surface normal at the intersection point
+												 LLVector4a* tangent = NULL);     // return the surface tangent at the intersection point

 	//--------------------------------------------------------------------
 	// LLCharacter interface and related
--- a/indra/newview/llvograss.cpp
+++ b/indra/newview/llvograss.cpp
@@ -789,8 +789,8 @@ void LLVOGrass::updateDrawable(BOOL force_damped)
 }

 // virtual 
-BOOL LLVOGrass::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, S32 face, BOOL pick_transparent, S32 *face_hitp,
-									  LLVector3* intersection,LLVector2* tex_coord, LLVector3* normal, LLVector3* bi_normal)
+BOOL LLVOGrass::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, S32 face, BOOL pick_transparent, S32 *face_hitp,
+									  LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent)
 	
 {
 	BOOL ret = FALSE;
@@ -801,7 +801,8 @@ BOOL LLVOGrass::lineSegmentIntersect(const LLVector3& start, const LLVector3& en
 		return FALSE;
 	}

-	LLVector3 dir = end-start;
+	LLVector4a dir;
+	dir.setSub(end, start);

 	mPatch = mRegionp->getLand().resolvePatchRegion(getPositionRegion());
 	
@@ -869,23 +870,31 @@ BOOL LLVOGrass::lineSegmentIntersect(const LLVector3& start, const LLVector3& en

 		U32 idx0 = 0,idx1 = 0,idx2 = 0;

-		if (LLTriangleRayIntersect(v[0], v[1], v[2], start, dir, a, b, t, FALSE))
+		LLVector4a v0a,v1a,v2a,v3a;
+
+		v0a.load3(v[0].mV);
+		v1a.load3(v[1].mV);
+		v2a.load3(v[2].mV);
+		v3a.load3(v[3].mV);
+
+		
+		if (LLTriangleRayIntersect(v0a, v1a, v2a, start, dir, a, b, t))
 		{
 			hit = TRUE;
 			idx0 = 0; idx1 = 1; idx2 = 2;
 		}
-		else if (LLTriangleRayIntersect(v[1], v[3], v[2], start, dir, a, b, t, FALSE))
+		else if (LLTriangleRayIntersect(v1a, v3a, v2a, start, dir, a, b, t))
 		{
 			hit = TRUE;
 			idx0 = 1; idx1 = 3; idx2 = 2;
 		}
-		else if (LLTriangleRayIntersect(v[2], v[1], v[0], start, dir, a, b, t, FALSE))
+		else if (LLTriangleRayIntersect(v2a, v1a, v0a, start, dir, a, b, t))
 		{
 			normal1 = -normal1;
 			hit = TRUE;
 			idx0 = 2; idx1 = 1; idx2 = 0;
 		}
-		else if (LLTriangleRayIntersect(v[2], v[3], v[1], start, dir, a, b, t, FALSE))
+		else if (LLTriangleRayIntersect(v2a, v3a, v1a, start, dir, a, b, t))
 		{
 			normal1 = -normal1;
 			hit = TRUE;
@@ -908,7 +917,8 @@ BOOL LLVOGrass::lineSegmentIntersect(const LLVector3& start, const LLVector3& en
 					closest_t = t;
 					if (intersection != NULL)
 					{
-						*intersection = start+dir*closest_t;
+						dir.mul(closest_t);
+						intersection->setAdd(start, dir);
 					}

 					if (tex_coord != NULL)
@@ -918,7 +928,7 @@ BOOL LLVOGrass::lineSegmentIntersect(const LLVector3& start, const LLVector3& en

 					if (normal != NULL)
 					{
-						*normal    = normal1;
+						normal->load3(normal1.mV);
 					}
 					ret = TRUE;
 				}
--- a/indra/newview/llvograss.h
+++ b/indra/newview/llvograss.h
@@ -81,14 +81,14 @@ public:
 	/*virtual*/ BOOL    isActive() const; // Whether this object needs to do an idleUpdate.
 	/*virtual*/ void idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);

-	/*virtual*/ BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, 
+	/*virtual*/ BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, 
 										  S32 face = -1,                        // which face to check, -1 = ALL_SIDES
 										  BOOL pick_transparent = FALSE,
 										  S32* face_hit = NULL,                 // which face was hit
-										  LLVector3* intersection = NULL,       // return the intersection point
+										  LLVector4a* intersection = NULL,       // return the intersection point
 										  LLVector2* tex_coord = NULL,          // return the texture coordinates of the intersection point
-										  LLVector3* normal = NULL,             // return the surface normal at the intersection point
-										  LLVector3* bi_normal = NULL           // return the surface bi-normal at the intersection point
+										  LLVector4a* normal = NULL,             // return the surface normal at the intersection point
+										  LLVector4a* tangent = NULL           // return the surface tangent at the intersection point
 		);

 	static S32 sMaxGrassSpecies;
--- a/indra/newview/llvosurfacepatch.cpp
+++ b/indra/newview/llvosurfacepatch.cpp
@@ -103,10 +103,10 @@ public:
 			glTexCoordPointer(2,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD1], (void*)(base + mOffsets[TYPE_TEXCOORD1]));
 			glClientActiveTextureARB(GL_TEXTURE0_ARB);
 		}
-		if (data_mask & MAP_BINORMAL)
+		if (data_mask & MAP_TANGENT)
 		{
 			glClientActiveTextureARB(GL_TEXTURE2_ARB);
-			glTexCoordPointer(3,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_BINORMAL], (void*)(base + mOffsets[TYPE_BINORMAL]));
+			glTexCoordPointer(3,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_TANGENT], (void*)(base + mOffsets[TYPE_TANGENT]));
 			glClientActiveTextureARB(GL_TEXTURE0_ARB);
 		}
 		if (data_mask & MAP_TEXCOORD0)
@@ -942,8 +942,8 @@ void LLVOSurfacePatch::getGeomSizesEast(const S32 stride, const S32 east_stride,
 	}
 }

-BOOL LLVOSurfacePatch::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, S32 face, BOOL pick_transparent, S32 *face_hitp,
-									  LLVector3* intersection,LLVector2* tex_coord, LLVector3* normal, LLVector3* bi_normal)
+BOOL LLVOSurfacePatch::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, S32 face, BOOL pick_transparent, S32 *face_hitp,
+									  LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent)
 	
 {

@@ -952,7 +952,9 @@ BOOL LLVOSurfacePatch::lineSegmentIntersect(const LLVector3& start, const LLVect
 		return FALSE;
 	}

-	LLVector3 delta = end-start;
+	LLVector4a da;
+	da.setSub(end, start);
+	LLVector3 delta(da.getF32ptr());
 		
 	LLVector3 pdelta = delta;
 	pdelta.mV[2] = 0;
@@ -961,7 +963,9 @@ BOOL LLVOSurfacePatch::lineSegmentIntersect(const LLVector3& start, const LLVect
 	
 	F32 tdelta = 1.f/plength;

-	LLVector3 origin = start - mRegionp->getOriginAgent();
+	LLVector3 v_start(start.getF32ptr());
+
+	LLVector3 origin = v_start - mRegionp->getOriginAgent();

 	if (mRegionp->getLandHeightRegion(origin) > origin.mV[2])
 	{
@@ -1016,12 +1020,12 @@ BOOL LLVOSurfacePatch::lineSegmentIntersect(const LLVector3& start, const LLVect
 					{
 						sample.mV[2] = mRegionp->getLandHeightRegion(sample);
 					}
-					*intersection = sample + mRegionp->getOriginAgent();
+					intersection->load3((sample + mRegionp->getOriginAgent()).mV);
 				}

 				if (normal)
 				{
-					*normal = mRegionp->getLand().resolveNormalGlobal(mRegionp->getPosGlobalFromRegion(sample));
+					normal->load3((mRegionp->getLand().resolveNormalGlobal(mRegionp->getPosGlobalFromRegion(sample))).mV);
 				}

 				return TRUE;
--- a/indra/newview/llvosurfacepatch.h
+++ b/indra/newview/llvosurfacepatch.h
@@ -85,14 +85,14 @@ public:
 	void dirtyPatch();
 	void dirtyGeom();

-	/*virtual*/ BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, 
+	/*virtual*/ BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, 
 										  S32 face = -1,                        // which face to check, -1 = ALL_SIDES
 										  BOOL pick_transparent = FALSE,
 										  S32* face_hit = NULL,                 // which face was hit
-										  LLVector3* intersection = NULL,       // return the intersection point
+										  LLVector4a* intersection = NULL,       // return the intersection point
 										  LLVector2* tex_coord = NULL,          // return the texture coordinates of the intersection point
-										  LLVector3* normal = NULL,             // return the surface normal at the intersection point
-										  LLVector3* bi_normal = NULL           // return the surface bi-normal at the intersection point
+										  LLVector4a* normal = NULL,             // return the surface normal at the intersection point
+										  LLVector4a* tangent = NULL           // return the surface tangent at the intersection point
 		);

 	BOOL			mDirtiedPatch;
--- a/indra/newview/llvotree.cpp
+++ b/indra/newview/llvotree.cpp
@@ -1303,8 +1303,8 @@ void LLVOTree::updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax)
 	mDrawable->setPositionGroup(pos);
 }

-BOOL LLVOTree::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, S32 face, BOOL pick_transparent, S32 *face_hitp,
-									  LLVector3* intersection,LLVector2* tex_coord, LLVector3* normal, LLVector3* bi_normal)
+BOOL LLVOTree::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, S32 face, BOOL pick_transparent, S32 *face_hitp,
+									  LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent)
 	
 {

@@ -1333,16 +1333,19 @@ BOOL LLVOTree::lineSegmentIntersect(const LLVector3& start, const LLVector3& end

 	LLVector3 pos, norm;
 		
-	if (linesegment_tetrahedron(start, end, center, size, quat, pos, norm))
+	LLVector3 start3(start.getF32ptr());
+	LLVector3 end3(end.getF32ptr());
+
+	if (linesegment_tetrahedron(start3, end3, center, size, quat, pos, norm))
 	{
 		if (intersection)
 		{
-			*intersection = pos;
+			intersection->load3(pos.mV);
 		}

 		if (normal)
 		{
-			*normal = norm;
+			normal->load3(norm.mV);
 		}
 		return TRUE;
 	}
--- a/indra/newview/llvotree.h
+++ b/indra/newview/llvotree.h
@@ -116,14 +116,15 @@ public:
 	U32 drawBranchPipeline(LLMatrix4& matrix, U16* indicesp, S32 trunk_LOD, S32 stop_level, U16 depth, U16 trunk_depth,  F32 scale, F32 twist, F32 droop,  F32 branches, F32 alpha);
 

-	 /*virtual*/ BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, 
+	 /*virtual*/ BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, 
 										  S32 face = -1,                        // which face to check, -1 = ALL_SIDES
 										  BOOL pick_transparent = FALSE,
 										  S32* face_hit = NULL,                 // which face was hit
-										  LLVector3* intersection = NULL,       // return the intersection point
+										  LLVector4a* intersection = NULL,       // return the intersection point
 										  LLVector2* tex_coord = NULL,          // return the texture coordinates of the intersection point
-										  LLVector3* normal = NULL,             // return the surface normal at the intersection point
-										  LLVector3* bi_normal = NULL);		// return the surface bi-normal at the intersection point
+										  LLVector4a* normal = NULL,             // return the surface normal at the intersection point
+										  LLVector4a* tangent = NULL           // return the surface tangent at the intersection point
+		);
 
 	void generateSilhouette(LLSelectNode* nodep, const LLVector3& view_point);

--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -1053,13 +1053,17 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
 				{ //already cached
 					break;
 				}
-				volume->genBinormals(i);
+				volume->genTangents(i);
 				LLFace::cacheFaceInVRAM(face);
 			}
 		}
 		
+
 		return TRUE;
 	}
+
+
+
 	return FALSE;
 }

@@ -1218,7 +1222,7 @@ BOOL LLVOVolume::calcLOD()
 	else
 	{
 		distance = mDrawable->mDistanceWRTCamera;
-		radius = getVolume()->mLODScaleBias.scaledVec(getScale()).length();
+		radius = getVolume() ? getVolume()->mLODScaleBias.scaledVec(getScale()).length() : getScale().length();
 	}
 	

@@ -3589,8 +3593,8 @@ LLVector3 LLVOVolume::volumeDirectionToAgent(const LLVector3& dir) const
 }


-BOOL LLVOVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, S32 face, BOOL pick_transparent, S32 *face_hitp,
-									  LLVector3* intersection,LLVector2* tex_coord, LLVector3* normal, LLVector3* bi_normal)
+BOOL LLVOVolume::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, S32 face, BOOL pick_transparent, S32 *face_hitp,
+									  LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent)
 	
 {
 	if (!mbCanSelect ||
@@ -3631,23 +3635,25 @@ BOOL LLVOVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 	
 	if (volume)
 	{	
-		LLVector3 v_start, v_end, v_dir;
-	
+		LLVector4a local_start = start;
+		LLVector4a local_end = end;
+		
 		if (transform)
 		{
-			v_start = agentPositionToVolume(start);
-			v_end = agentPositionToVolume(end);
-		}
-		else
-		{
-			v_start = start;
-			v_end = end;
-		}
+			LLVector3 v_start(start.getF32ptr());
+			LLVector3 v_end(end.getF32ptr());
 		
-		LLVector3 p;
-		LLVector3 n;
+			v_start = agentPositionToVolume(v_start);
+			v_end = agentPositionToVolume(v_end);
+
+			local_start.load3(v_start.mV);
+			local_end.load3(v_end.mV);
+		}
+				
+		LLVector4a p;
+		LLVector4a n;
 		LLVector2 tc;
-		LLVector3 bn;
+		LLVector4a tn;

 		if (intersection != NULL)
 		{
@@ -3664,9 +3670,9 @@ BOOL LLVOVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 			n = *normal;
 		}

-		if (bi_normal != NULL)
+		if (tangent != NULL)
 		{
-			bn = *bi_normal;
+			tn = *tangent;
 		}

 		S32 face_hit = -1;
@@ -3692,8 +3698,8 @@ BOOL LLVOVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 				continue;
 			}

-			face_hit = volume->lineSegmentIntersect(v_start, v_end, i,
-													&p, &tc, &n, &bn);
+			face_hit = volume->lineSegmentIntersect(local_start, local_end, i,
+													&p, &tc, &n, &tn);
 			
 			if (face_hit >= 0 && mDrawable->getNumFaces() > face_hit)
 			{
@@ -3702,7 +3708,7 @@ BOOL LLVOVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 				if (face &&
 					(pick_transparent || !face->getTexture() || !face->getTexture()->hasGLTexture() || face->getTexture()->getMask(face->surfaceToTexture(tc, p, n))))
 				{
-					v_end = p;
+					local_end = p;
 					if (face_hitp != NULL)
 					{
 						*face_hitp = face_hit;
@@ -3712,7 +3718,9 @@ BOOL LLVOVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 					{
 						if (transform)
 						{
-							*intersection = volumePositionToAgent(p);  // must map back to agent space
+							LLVector3 v_p(p.getF32ptr());
+
+							intersection->load3(volumePositionToAgent(v_p).mV);  // must map back to agent space
 						}
 						else
 						{
@@ -3724,27 +3732,36 @@ BOOL LLVOVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& e
 					{
 						if (transform)
 						{
-							*normal = volumeDirectionToAgent(n);
+							LLVector3 v_n(n.getF32ptr());
+							normal->load3(volumeDirectionToAgent(v_n).mV);
 						}
 						else
 						{
 							*normal = n;
 						}
-
-						(*normal).normVec();
+						(*normal).normalize3fast();
 					}

-					if (bi_normal != NULL)
+					if (tangent != NULL)
 					{
 						if (transform)
 						{
-							*bi_normal = volumeDirectionToAgent(bn);
+							LLVector3 v_tn(tn.getF32ptr());
+
+							LLVector4a trans_tangent;
+							trans_tangent.load3(volumeDirectionToAgent(v_tn).mV);
+
+							LLVector4Logical mask;
+							mask.clear();
+							mask.setElement<3>();
+
+							tangent->setSelectWithMask(mask, tn, trans_tangent);
 						}
 						else
 						{
-							*bi_normal = bn;
+							*tangent = tn;
 						}
-						(*bi_normal).normVec();
+						(*tangent).normalize3fast();
 					}

 					if (tex_coord != NULL)
@@ -4262,11 +4279,18 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)

 	mFaceList.clear();

-	std::vector<LLFace*> fullbright_faces;
-	std::vector<LLFace*> bump_faces;
-	std::vector<LLFace*> simple_faces;
+	const U32 MAX_FACE_COUNT = 4096;
+	
+	static LLFace** fullbright_faces = (LLFace**) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*),64);
+	static LLFace** bump_faces = (LLFace**) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*),64);
+	static LLFace** simple_faces = (LLFace**) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*),64);
+	static LLFace** alpha_faces = (LLFace**) ll_aligned_malloc(MAX_FACE_COUNT*sizeof(LLFace*),64);
+	
+	U32 fullbright_count = 0;
+	U32 bump_count = 0;
+	U32 simple_count = 0;
+	U32 alpha_count = 0;

-	std::vector<LLFace*> alpha_faces;
 	U32 useage = group->mSpatialPartition->mBufferUsage;

 	static const LLCachedControl<S32> render_max_vbo_size("RenderMaxVBOSize", 512);
@@ -4623,7 +4647,10 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 					{
 						if (facep->canRenderAsMask())
 						{ //can be treated as alpha mask
-							simple_faces.push_back(facep);
+							if (simple_count < MAX_FACE_COUNT)
+							{
+								simple_faces[simple_count++] = facep;
+							}
 						}
 						else
 						{
@@ -4631,7 +4658,10 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 							{ //only treat as alpha in the pipeline if < 100% transparent
 								drawablep->setState(LLDrawable::HAS_ALPHA);
 							}
-							alpha_faces.push_back(facep);
+							if (alpha_count < MAX_FACE_COUNT)
+							{
+								alpha_faces[alpha_count++] = facep;
+							}
 						}
 					}
 					else
@@ -4645,34 +4675,52 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 							&& LLPipeline::sRenderBump)
 						{
 							if (te->getBumpmap())
-							{ //needs normal + binormal
-								bump_faces.push_back(facep);
+							{ //needs normal + tangent
+								if (bump_count < MAX_FACE_COUNT)
+								{
+									bump_faces[bump_count++] = facep;
+								}
 							}
 							else if (te->getShiny() || !te->getFullbright())
 							{ //needs normal
-								simple_faces.push_back(facep);
+								if (simple_count < MAX_FACE_COUNT)
+								{
+									simple_faces[simple_count++] = facep;
+								}
 							}
 							else 
 							{ //doesn't need normal
 								facep->setState(LLFace::FULLBRIGHT);
-								fullbright_faces.push_back(facep);
+								if (fullbright_count < MAX_FACE_COUNT)
+								{
+									fullbright_faces[fullbright_count++] = facep;
+								}
 							}
 						}
 						else
 						{
 							if (te->getBumpmap() && LLPipeline::sRenderBump)
-							{ //needs normal + binormal
-								bump_faces.push_back(facep);
+							{ //needs normal + tangent
+								if (bump_count < MAX_FACE_COUNT)
+								{
+									bump_faces[bump_count++] = facep;
+								}
 							}
 							else if ((te->getShiny() && LLPipeline::sRenderBump) ||
 								!(te->getFullbright() || bake_sunlight))
 							{ //needs normal
-								simple_faces.push_back(facep);
+								if (simple_count < MAX_FACE_COUNT)
+								{
+									simple_faces[simple_count++] = facep;
+								}
 							}
 							else 
 							{ //doesn't need normal
 								facep->setState(LLFace::FULLBRIGHT);
-								fullbright_faces.push_back(facep);
+								if (fullbright_count < MAX_FACE_COUNT)
+								{
+									fullbright_faces[fullbright_count++] = facep;
+								}
 							}
 						}
 					}
@@ -4714,18 +4762,18 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)

 	if (batch_textures)
 	{
-		bump_mask |= LLVertexBuffer::MAP_BINORMAL;
-		genDrawInfo(group, simple_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, simple_faces, FALSE, TRUE);
-		genDrawInfo(group, fullbright_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, fullbright_faces, FALSE, TRUE);
-		genDrawInfo(group, bump_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, bump_faces, FALSE, TRUE);
-		genDrawInfo(group, alpha_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, alpha_faces, TRUE, TRUE);
+		bump_mask |= LLVertexBuffer::MAP_TANGENT;
+		genDrawInfo(group, simple_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, simple_faces, simple_count, FALSE, TRUE);
+		genDrawInfo(group, fullbright_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, fullbright_faces, fullbright_count, FALSE, TRUE);
+		genDrawInfo(group, bump_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, bump_faces, bump_count, FALSE, TRUE);
+		genDrawInfo(group, alpha_mask | LLVertexBuffer::MAP_TEXTURE_INDEX, alpha_faces, alpha_count, TRUE, TRUE);
 	}
 	else
 	{
-		genDrawInfo(group, simple_mask, simple_faces);
-		genDrawInfo(group, fullbright_mask, fullbright_faces);
-		genDrawInfo(group, bump_mask, bump_faces, FALSE, TRUE);
-		genDrawInfo(group, alpha_mask, alpha_faces, TRUE);
+		genDrawInfo(group, simple_mask, simple_faces, simple_count);
+		genDrawInfo(group, fullbright_mask, fullbright_faces, fullbright_count);
+		genDrawInfo(group, bump_mask, bump_faces, bump_count, FALSE, TRUE);
+		genDrawInfo(group, alpha_mask, alpha_faces, alpha_count, TRUE);
 	}
 	

@@ -4767,13 +4815,17 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 	{
 		LLFastTimer ftm(FTM_REBUILD_VOLUME_VB);
 		LLFastTimer t(FTM_REBUILD_VOLUME_GEN_DRAW_INFO); //make sure getgeometryvolume shows up in the right place in timers
-		S32 num_mapped_vertex_buffer = LLVertexBuffer::sMappedCount ;

 		group->mBuilt = 1.f;
 		
-		std::set<LLVertexBuffer*> mapped_buffers;
-
 		OctreeGuard guard(group->mOctreeNode);
+		S32 num_mapped_vertex_buffer = LLVertexBuffer::sMappedCount ;
+
+		const U32 MAX_BUFFER_COUNT = 4096;
+		static LLVertexBuffer* locked_buffer[MAX_BUFFER_COUNT];
+		
+		U32 buffer_count = 0;
+
 		for (LLSpatialGroup::element_iter drawable_iter = group->getDataBegin(); drawable_iter != group->getDataEnd(); ++drawable_iter)
 		{
 			LLDrawable* drawablep = *drawable_iter;
@@ -4807,9 +4859,9 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 							}


-							if (buff->isLocked())
+							if (buff->isLocked() && buffer_count < MAX_BUFFER_COUNT)
 							{
-								mapped_buffers.insert(buff);
+								locked_buffer[buffer_count++] = buff;
 							}
 						}
 					}
@@ -4825,7 +4877,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 			}
 		}
 		
-		for (std::set<LLVertexBuffer*>::iterator iter = mapped_buffers.begin(); iter != mapped_buffers.end(); ++iter)
+		for (LLVertexBuffer** iter = locked_buffer, ** end_iter = locked_buffer+buffer_count; iter != end_iter; ++iter)
 		{
 			(*iter)->flush();
 		}
@@ -4904,7 +4956,7 @@ static LLFastTimer::DeclareTimer FTM_GEN_DRAW_INFO_RESIZE_VB("Resize VB");



-void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::vector<LLFace*>& faces, BOOL distance_sort, BOOL batch_textures)
+void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace** faces, U32 face_count, BOOL distance_sort, BOOL batch_textures, BOOL no_materials)
 {
 	LLFastTimer t(FTM_REBUILD_VOLUME_GEN_DRAW_INFO);

@@ -4931,17 +4983,18 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 		if (!distance_sort)
 		{
 			//sort faces by things that break batches
-			std::sort(faces.begin(), faces.end(), CompareBatchBreakerModified());
+			std::sort(faces, faces+face_count, CompareBatchBreakerModified());
 		}
 		else
 		{
 			//sort faces by distance
-			std::sort(faces.begin(), faces.end(), LLFace::CompareDistanceGreater());
+			std::sort(faces, faces+face_count, LLFace::CompareDistanceGreater());
 		}
 	}
 				
 	bool hud_group = group->isHUDGroup() ;
-	std::vector<LLFace*>::iterator face_iter = faces.begin();
+	LLFace** face_iter = faces;
+	LLFace** end_faces = faces+face_count;
 	
 	LLSpatialGroup::buffer_map_t buffer_map;

@@ -4973,7 +5026,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 	//NEVER use more than 16 texture index channels (workaround for prevalent driver bug)
 	texture_index_channels = llmin(texture_index_channels, 16);

-	while (face_iter != faces.end())
+	while (face_iter != end_faces)
 	{
 		//pull off next face
 		LLFace* facep = *face_iter;
@@ -4999,11 +5052,15 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 		U32 index_count = facep->getIndicesCount();
 		U32 geom_count = facep->getGeomCount();

+
 		//sum up vertices needed for this render batch
-		std::vector<LLFace*>::iterator i = face_iter;
+		LLFace** i = face_iter;
 		++i;
 		
-		std::vector<LLViewerTexture*> texture_list;
+		const U32 MAX_TEXTURE_COUNT = 32;
+		static LLViewerTexture* texture_list[MAX_TEXTURE_COUNT];
+		
+		U32 texture_count = 0;

 		{
 			LLFastTimer t(FTM_GEN_DRAW_INFO_FACE_SIZE);
@@ -5011,11 +5068,15 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			{
 				U8 cur_tex = 0;
 				facep->setTextureIndex(cur_tex);
-				texture_list.push_back(tex);
+				if (texture_count < MAX_TEXTURE_COUNT)
+				{
+					texture_list[texture_count++] = tex;
+				}

 				if (can_batch_texture(facep))
-				{
-					while (i != faces.end())
+				{ //populate texture_list with any textures that can be batched
+				  //move i to the next unbatchable face
+					while (i != end_faces)
 					{
 						facep = *i;
 						if (!can_batch_texture(facep))
@@ -5028,7 +5089,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 							if (distance_sort)
 							{ //textures might be out of order, see if texture exists in current batch
 								bool found = false;
-								for (U32 tex_idx = 0; tex_idx < texture_list.size(); ++tex_idx)
+								for (U32 tex_idx = 0; tex_idx < texture_count; ++tex_idx)
 								{
 									if (facep->getTexture() == texture_list[tex_idx])
 									{
@@ -5040,7 +5101,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::

 								if (!found)
 								{
-									cur_tex = texture_list.size();
+									cur_tex = texture_count;
 								}
 							}
 							else
@@ -5055,7 +5116,10 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::

 							tex = facep->getTexture();

-							texture_list.push_back(tex);
+							if (texture_count < MAX_TEXTURE_COUNT)
+							{
+								texture_list[texture_count++] = tex;
+							}
 						}

 						if (geom_count + facep->getGeomCount() > max_vertices)
@@ -5074,7 +5138,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			}
 			else
 			{
-				while (i != faces.end() && 
+				while (i != end_faces && 
 					(LLPipeline::sTextureBindTest || (distance_sort || (*i)->getTexture() == tex)))
 				{
 					facep = *i;
--- a/indra/newview/llvovolume.h
+++ b/indra/newview/llvovolume.h
@@ -142,14 +142,14 @@ public:

 	/*virtual*/ U32		getTriangleCount(S32* vcount = NULL) const;
 	/*virtual*/ U32		getHighLODTriangleCount();
-	/*virtual*/ BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, 
+	/*virtual*/ BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, 
 										  S32 face = -1,                        // which face to check, -1 = ALL_SIDES
 										  BOOL pick_transparent = FALSE,
 										  S32* face_hit = NULL,                 // which face was hit
-										  LLVector3* intersection = NULL,       // return the intersection point
+										  LLVector4a* intersection = NULL,       // return the intersection point
 										  LLVector2* tex_coord = NULL,          // return the texture coordinates of the intersection point
-										  LLVector3* normal = NULL,             // return the surface normal at the intersection point
-										  LLVector3* bi_normal = NULL           // return the surface bi-normal at the intersection point
+										  LLVector4a* normal = NULL,             // return the surface normal at the intersection point
+										  LLVector4a* tangent = NULL           // return the surface tangent at the intersection point
 		);
 	
 				LLVector3 agentPositionToVolume(const LLVector3& pos) const;
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -956,7 +956,13 @@ void LLPipeline::releaseLUTBuffers()
 {
 	if (mLightFunc)
 	{
-		LLImageGL::deleteTextures(LLTexUnit::TT_TEXTURE, GL_R8, 0, 1, &mLightFunc);
+		U32 pix_format = GL_R16F;
+#if LL_DARWIN
+		// Need to work around limited precision with 10.6.8 and older drivers
+		//
+		pix_format = GL_R32F;
+#endif
+		LLImageGL::deleteTextures(LLTexUnit::TT_TEXTURE, pix_format, 0, 1, &mLightFunc);
 		mLightFunc = 0;
 	}
 }
@@ -1078,8 +1084,9 @@ void LLPipeline::createLUTBuffers()
 		{
 			U32 lightResX = gSavedSettings.getU32("RenderSpecularResX");
 			U32 lightResY = gSavedSettings.getU32("RenderSpecularResY");
-			U8* ls = new U8[lightResX*lightResY];
-			static const LLCachedControl<F32> specExp("RenderSpecularExponent");
+			//U8* ls = new U8[lightResX*lightResY];
+			F32* ls = new F32[lightResX*lightResY];
+			//static const LLCachedControl<F32> specExp("RenderSpecularExponent");
            // Calculate the (normalized) Blinn-Phong specular lookup texture.
 			for (U32 y = 0; y < lightResY; ++y)
 			{
@@ -1088,7 +1095,7 @@ void LLPipeline::createLUTBuffers()
 					ls[y*lightResX+x] = 0;
 					F32 sa = (F32) x/(lightResX-1);
 					F32 spec = (F32) y/(lightResY-1);
-					F32 n = spec * spec * specExp;
+					F32 n = spec * spec * 368;//specExp;
 					
 					// Nothing special here.  Just your typical blinn-phong term.
 					spec = powf(sa, n);
@@ -1103,6 +1110,7 @@ void LLPipeline::createLUTBuffers()
 					// Always sample at a 1.0/2.2 curve.
 					// This "Gamma corrects" our specular term, boosting our lower exponent reflections.
 					spec = powf(spec, 1.f/2.2f);
+					ls[y*lightResX+x] = spec;
 					
 					// Easy fix for our dynamic range problem: divide by 6 here, multiply by 6 in our shaders.
 					// This allows for our specular term to exceed a value of 1 in our shaders.
@@ -1110,15 +1118,24 @@ void LLPipeline::createLUTBuffers()
 					// Technically, we could just use an R16F texture, but driver support for R16F textures can be somewhat spotty at times.
 					// This works remarkably well for higher specular exponents, though banding can sometimes be seen on lower exponents.
 					// Combined with a bit of noise and trilinear filtering, the banding is hardly noticable.
-					ls[y*lightResX+x] = (U8)(llclamp(spec * (1.f / 6), 0.f, 1.f) * 255);
+					//ls[y*lightResX+x] = (U8)(llclamp(spec * (1.f / 6), 0.f, 1.f) * 255);
 				}
 			}
 			
-			LLImageGL::generateTextures(LLTexUnit::TT_TEXTURE, GL_R8, 1, &mLightFunc);
+			U32 pix_format = GL_R16F;
+#if LL_DARWIN
+			// Need to work around limited precision with 10.6.8 and older drivers
+			//
+			pix_format = GL_R32F;
+#endif
+			LLImageGL::generateTextures(LLTexUnit::TT_TEXTURE, pix_format, 1, &mLightFunc);
 			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);
-			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_R8, lightResX, lightResY, GL_RED, GL_UNSIGNED_BYTE, ls, false);
+			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, pix_format, lightResX, lightResY, GL_RED, GL_FLOAT, ls, false);
+			//LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_UNSIGNED_BYTE, lightResX, lightResY, GL_RED, GL_UNSIGNED_BYTE, ls, false);
 			gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
 			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 			
 			delete [] ls;
 		}
@@ -6167,20 +6184,20 @@ BOOL LLPipeline::getRenderHighlights(void*)
 	return sRenderHighlight;
 }

-LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start, const LLVector3& end,
+LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector4a& start, const LLVector4a& end,
 														BOOL pick_transparent,												
 														S32* face_hit,
-														LLVector3* intersection,         // return the intersection point
+														LLVector4a* 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
+														LLVector4a* normal,               // return the surface normal at the intersection point
+														LLVector4a* tangent             // return the surface tangent at the intersection point
 	)
 {
 	LLDrawable* drawable = NULL;

-	LLVector3 local_end = end;
+	LLVector4a local_end = end;

-	LLVector3 position;
+	LLVector4a position;

 	sPickAvatar = FALSE; //LLToolMgr::getInstance()->inBuildMode() ? FALSE : TRUE;
 	
@@ -6200,7 +6217,7 @@ LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start,
 				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);
+					LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, face_hit, &position, tex_coord, normal, tangent);
 					if (hit)
 					{
 						drawable = hit;
@@ -6215,8 +6232,8 @@ LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start,
 	{
 		//save hit info in case we need to restore
 		//due to attachment override
-		LLVector3 local_normal;
-		LLVector3 local_binormal;
+		LLVector4a local_normal;
+		LLVector4a local_tangent;
 		LLVector2 local_texcoord;
 		S32 local_face_hit = -1;

@@ -6228,14 +6245,22 @@ LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start,
 		{
 			local_texcoord = *tex_coord;
 		}
-		if (bi_normal)
+		if (tangent)
 		{
-			local_binormal = *bi_normal;
+			local_tangent = *tangent;
+		}
+		else
+		{
+			local_tangent.clear();
 		}
 		if (normal)
 		{
 			local_normal = *normal;
 		}
+		else
+		{
+			local_normal.clear();
+		}
 				
 		const F32 ATTACHMENT_OVERRIDE_DIST = 0.1f;

@@ -6249,12 +6274,15 @@ LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start,
 			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);
+				LLDrawable* hit = part->lineSegmentIntersect(start, local_end, pick_transparent, face_hit, &position, tex_coord, normal, tangent);
 				if (hit)
 				{
+					LLVector4a delta;
+					delta.setSub(position, local_end);
+
 					if (!drawable || 
 						!drawable->getVObj()->isAttachment() ||
-						(position-local_end).magVec() > ATTACHMENT_OVERRIDE_DIST)
+						delta.getLength3().getF32() > ATTACHMENT_OVERRIDE_DIST)
 					{ //avatar overrides if previously hit drawable is not an attachment or 
 					  //attachment is far enough away from detected intersection
 						drawable = hit;
@@ -6272,9 +6300,9 @@ LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start,
 						{
 							*tex_coord = local_texcoord;
 						}
-						if (bi_normal)
+						if (tangent)
 						{
-							*bi_normal = local_binormal;
+							*tangent = local_tangent;
 						}
 						if (normal)
 						{
@@ -6308,13 +6336,13 @@ LLViewerObject* LLPipeline::lineSegmentIntersectInWorld(const LLVector3& start,
 	return drawable ? drawable->getVObj().get() : NULL;
 }

-LLViewerObject* LLPipeline::lineSegmentIntersectInHUD(const LLVector3& start, const LLVector3& end,
+LLViewerObject* LLPipeline::lineSegmentIntersectInHUD(const LLVector4a& start, const LLVector4a& end,
 													  BOOL pick_transparent,													
 													  S32* face_hit,
-													  LLVector3* intersection,         // return the intersection point
+													  LLVector4a* 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
+													  LLVector4a* normal,               // return the surface normal at the intersection point
+													  LLVector4a* tangent				// return the surface tangent at the intersection point
 	)
 {
 	LLDrawable* drawable = NULL;
@@ -6334,7 +6362,7 @@ LLViewerObject* LLPipeline::lineSegmentIntersectInHUD(const LLVector3& start, co
 		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);
+			LLDrawable* hit = part->lineSegmentIntersect(start, end, pick_transparent, face_hit, intersection, tex_coord, normal, tangent);
 			if (hit)
 			{
 				drawable = hit;
@@ -6815,13 +6843,18 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield, b
 			{
 				if (LLViewerJoystick::getInstance()->getOverrideCamera())
 				{ //focus on point under cursor
-					focus_point = gDebugRaycastIntersection;
+					focus_point.set(gDebugRaycastIntersection.getF32ptr());
 				}
 				else if (gAgentCamera.cameraMouselook())
 				{ //focus on point under mouselook crosshairs
+					LLVector4a result;
+					result.clear();
+
 					gViewerWindow->cursorIntersect(-1, -1, 512.f, NULL, -1, FALSE,
-												  NULL,
-												  &focus_point);
+													NULL,
+													&result);
+
+					focus_point.set(result.getF32ptr());
 				}
 				else if(gAgent.getRegion())
 				{
@@ -7523,12 +7556,9 @@ void LLPipeline::renderDeferredLighting()
 			mDeferredVB = new LLVertexBuffer(DEFERRED_VB_MASK, 0);
 			mDeferredVB->allocateBuffer(8, 0, true);
 		}
+
 		LLStrider<LLVector3> vert; 
 		mDeferredVB->getVertexStrider(vert);
-		LLStrider<LLVector2> tc0;
-		LLStrider<LLVector2> tc1;
-		mDeferredVB->getTexCoord0Strider(tc0);
-		mDeferredVB->getTexCoord1Strider(tc1);

 		vert[0].set(-1,1,0);
 		vert[1].set(-1,-3,0);
@@ -7679,10 +7709,6 @@ void LLPipeline::renderDeferredLighting()
 		gGL.popMatrix();
 		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);
-
 		mScreen.bindTarget();
 		// clear color buffer here - zeroing alpha (glow) is important or it will accumulate against sky
 		glClearColor(0,0,0,0);
@@ -8712,7 +8738,7 @@ BOOL LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector
 	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++)
+	for (U32 i = 0; i < LLCamera::AGENT_FRUSTRUM_NUM; i++)
 	{
 		pp.push_back(camera.mAgentFrustum[i]);
 	}
@@ -8739,7 +8765,7 @@ BOOL LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector

 	for (U32 i = 0; i < 12; i++)
 	{ //for each line segment in bounding box
-		for (U32 j = 0; j < 6; j++) 
+		for (U32 j = 0; j < LLCamera::AGENT_PLANE_NO_USER_CLIP_NUM; j++) 
 		{ //for each plane in camera frustum
 			const LLPlane& cp = camera.getAgentPlane(j);
 			const LLVector3& v1 = pp[bs[i*2+0]];
@@ -8825,7 +8851,7 @@ BOOL LLPipeline::getVisiblePointCloud(LLCamera& camera, LLVector3& min, LLVector
 			}
 		}
 				
-		for (U32 j = 0; j < 6; ++j)
+		for (U32 j = 0; j < LLCamera::AGENT_PLANE_NO_USER_CLIP_NUM; ++j)
 		{
 			const LLPlane& cp = camera.getAgentPlane(j);
 			F32 dist = cp.dist(pp[i]);
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -189,21 +189,21 @@ public:
 	void		markMeshDirty(LLSpatialGroup* group);

 	//get the object between start and end that's closest to start.
-	LLViewerObject* lineSegmentIntersectInWorld(const LLVector3& start, const LLVector3& end,
+	LLViewerObject* lineSegmentIntersectInWorld(const LLVector4a& start, const LLVector4a& end,
 												BOOL pick_transparent,
 												S32* face_hit,                          // return the face hit
-												LLVector3* intersection = NULL,         // return the intersection point
+												LLVector4a* intersection = NULL,         // return the intersection point
 												LLVector2* tex_coord = NULL,            // return the texture coordinates of the intersection point
-												LLVector3* normal = NULL,               // return the surface normal at the intersection point
-												LLVector3* bi_normal = NULL             // return the surface bi-normal at the intersection point  
+												LLVector4a* normal = NULL,               // return the surface normal at the intersection point
+												LLVector4a* tangent = NULL             // return the surface tangent at the intersection point  
 		);
-	LLViewerObject* lineSegmentIntersectInHUD(const LLVector3& start, const LLVector3& end,
+	LLViewerObject* lineSegmentIntersectInHUD(const LLVector4a& start, const LLVector4a& end,
 											  BOOL pick_transparent,
 											  S32* face_hit,                          // return the face hit
-											  LLVector3* intersection = NULL,         // return the intersection point
+											  LLVector4a* intersection = NULL,         // return the intersection point
 											  LLVector2* tex_coord = NULL,            // return the texture coordinates of the intersection point
-											  LLVector3* normal = NULL,               // return the surface normal at the intersection point
-											  LLVector3* bi_normal = NULL             // return the surface bi-normal at the intersection point
+											  LLVector4a* normal = NULL,               // return the surface normal at the intersection point
+											  LLVector4a* tangent = NULL             // return the surface tangent at the intersection point
 		);

 	// Something about these textures has changed.  Dirty them.
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -807,14 +807,14 @@ class Linux_i686Manifest(LinuxManifest):
            self.path("libSDL-1.2.so*")
            self.path("libapr-1.so*")
            self.path("libaprutil-1.so*")
-            self.path("libcollada14dom.so")
+            self.path("libcollada14dom.so.2.2", "libcollada14dom.so")
            self.path("libcrypto.so*")
            self.path("libdb*.so")
            self.path("libdirect-1.*.so*")
            self.path("libdirectfb-1.*.so*")
            self.path("libfusion-1.*.so*")
            self.path("libglod.so")
-            self.path("libminizip.so")
+            self.path("libminizip.so.1.2.3", "libminizip.so");
            self.path("libexpat.so*")
            self.path("libhunspell-*.so.*")
            self.path("libssl.so*")