Split gl-specific LLViewerTexture implementation into llrender/LLGLViewerTexture

47 files changed, 759 insertions, 631 deletions

diff --git a/indra/llappearance/lllocaltextureobject.cpp b/indra/llappearance/lllocaltextureobject.cpp
index 0e77444f49..7e36a06797 100644
--- a/indra/llappearance/lllocaltextureobject.cpp
+++ b/indra/llappearance/lllocaltextureobject.cpp
@@ -30,7 +30,7 @@
 #include "llimage.h"
 #include "llrender.h"
 #include "lltexlayer.h"
-#include "lltexture.h"
+#include "llgltexture.h"
 #include "lluuid.h"
 #include "llwearable.h"
 
@@ -42,7 +42,7 @@ LLLocalTextureObject::LLLocalTextureObject() :
 	mImage = NULL;
 }
 
-LLLocalTextureObject::LLLocalTextureObject(LLTexture* image, const LLUUID& id) :
+LLLocalTextureObject::LLLocalTextureObject(LLGLTexture* image, const LLUUID& id) :
 	mIsBakedReady(FALSE),
 	mDiscard(MAX_DISCARD_LEVEL+1)
 {
@@ -78,7 +78,7 @@ LLLocalTextureObject::~LLLocalTextureObject()
 {
 }
 
-LLTexture* LLLocalTextureObject::getImage() const
+LLGLTexture* LLLocalTextureObject::getImage() const
 {
 	return mImage;
 }
@@ -127,7 +127,7 @@ BOOL LLLocalTextureObject::getBakedReady() const
 	return mIsBakedReady;
 }
 
-void LLLocalTextureObject::setImage(LLTexture* new_image)
+void LLLocalTextureObject::setImage(LLGLTexture* new_image)
 {
 	mImage = new_image;
 }
diff --git a/indra/llappearance/lllocaltextureobject.h b/indra/llappearance/lllocaltextureobject.h
index 8f868eb412..6f14448cca 100644
--- a/indra/llappearance/lllocaltextureobject.h
+++ b/indra/llappearance/lllocaltextureobject.h
@@ -30,7 +30,7 @@
 #include <boost/shared_ptr.hpp>
 
 #include "llpointer.h"
-#include "lltexture.h"
+#include "llgltexture.h"
 
 class LLUUID;
 class LLTexLayer;
@@ -44,11 +44,11 @@ class LLLocalTextureObject
 {
 public:
 	LLLocalTextureObject();
-	LLLocalTextureObject(LLTexture* image, const LLUUID& id);
+	LLLocalTextureObject(LLGLTexture* image, const LLUUID& id);
 	LLLocalTextureObject(const LLLocalTextureObject& lto);
 	~LLLocalTextureObject();
 
-	LLTexture* getImage() const;
+	LLGLTexture* getImage() const;
 	LLTexLayer* getTexLayer(U32 index) const;
 	LLTexLayer* getTexLayer(const std::string &name);
 	U32 		getNumTexLayers() const;
@@ -56,7 +56,7 @@ public:
 	S32			getDiscard() const;
 	BOOL		getBakedReady() const;
 
-	void setImage(LLTexture* new_image);
+	void setImage(LLGLTexture* new_image);
 	BOOL setTexLayer(LLTexLayer *new_tex_layer, U32 index);
 	BOOL addTexLayer(LLTexLayer *new_tex_layer, LLWearable *wearable);
 	BOOL addTexLayer(LLTexLayerTemplate *new_tex_layer, LLWearable *wearable);
@@ -70,7 +70,7 @@ protected:
 
 private:
 
-	LLPointer<LLTexture>			mImage;
+	LLPointer<LLGLTexture>			mImage;
 	// NOTE: LLLocalTextureObject should be the exclusive owner of mTexEntry and mTexLayer
 	// using shared pointers here only for smart assignment & cleanup
 	// do NOT create new shared pointers to these objects, or keep pointers to them around
diff --git a/indra/llappearance/lltexlayer.cpp b/indra/llappearance/lltexlayer.cpp
index 0d3219c4e0..a741a83af7 100644
--- a/indra/llappearance/lltexlayer.cpp
+++ b/indra/llappearance/lltexlayer.cpp
@@ -504,7 +504,7 @@ void LLTexLayerSet::renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height,
 	{
 		gGL.flush();
 		{
-			LLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(info->mStaticAlphaFileName, TRUE);
+			LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(info->mStaticAlphaFileName, TRUE);
 			if( tex )
 			{
 				LLGLSUIDefault gls_ui;
@@ -1087,7 +1087,7 @@ BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height)
 	if( (getInfo()->mLocalTexture != -1) && !getInfo()->mUseLocalTextureAlphaOnly )
 	{
 		{
-			LLTexture* tex = NULL;
+			LLGLTexture* tex = NULL;
 			if (mLocalTextureObject && mLocalTextureObject->getImage())
 			{
 				tex = mLocalTextureObject->getImage();
@@ -1137,7 +1137,7 @@ BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height)
 	if( !getInfo()->mStaticImageFileName.empty() )
 	{
 		{
-			LLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
+			LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
 			if( tex )
 			{
 				gGL.getTexUnit(0)->bind(tex, TRUE);
@@ -1259,7 +1259,7 @@ BOOL LLTexLayer::blendAlphaTexture(S32 x, S32 y, S32 width, S32 height)
 
 	if( !getInfo()->mStaticImageFileName.empty() )
 	{
-		LLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture( getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask );
+		LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture( getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask );
 		if( tex )
 		{
 			LLGLSNoAlphaTest gls_no_alpha_test;
@@ -1284,7 +1284,7 @@ BOOL LLTexLayer::blendAlphaTexture(S32 x, S32 y, S32 width, S32 height)
 	{
 		if (getInfo()->mLocalTexture >=0 && getInfo()->mLocalTexture < TEX_NUM_INDICES)
 		{
-			LLTexture* tex = mLocalTextureObject->getImage();
+			LLGLTexture* tex = mLocalTextureObject->getImage();
 			if (tex)
 			{
 				LLGLSNoAlphaTest gls_no_alpha_test;
@@ -1358,7 +1358,7 @@ BOOL LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC
 	// Accumulate the alpha component of the texture
 	if( getInfo()->mLocalTexture != -1 )
 	{
-		LLTexture* tex = mLocalTextureObject->getImage();
+		LLGLTexture* tex = mLocalTextureObject->getImage();
 		if( tex && (tex->getComponents() == 4) )
 		{
 			LLGLSNoAlphaTest gls_no_alpha_test;
@@ -1376,7 +1376,7 @@ BOOL LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC
 
 	if( !getInfo()->mStaticImageFileName.empty() )
 	{
-		LLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
+		LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
 		if( tex )
 		{
 			if(	(tex->getComponents() == 4) ||
@@ -1493,7 +1493,7 @@ LLUUID LLTexLayer::getUUID() const
 	LLUUID uuid;
 	if( getInfo()->mLocalTexture != -1 )
 	{
-			LLTexture* tex = mLocalTextureObject->getImage();
+			LLGLTexture* tex = mLocalTextureObject->getImage();
 			if (tex)
 			{
 				uuid = mLocalTextureObject->getID();
@@ -1501,7 +1501,7 @@ LLUUID LLTexLayer::getUUID() const
 	}
 	if( !getInfo()->mStaticImageFileName.empty() )
 	{
-			LLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
+			LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
 			if( tex )
 			{
 				uuid = tex->getID();
@@ -1821,9 +1821,9 @@ LLImageTGA* LLTexLayerStaticImageList::getImageTGA(const std::string& file_name)
 
 // Returns a GL Image (without a backing ImageRaw) that contains the decoded data from a tga file named file_name.
 // Caches the result to speed identical subsequent requests.
-LLTexture* LLTexLayerStaticImageList::getTexture(const std::string& file_name, BOOL is_mask)
+LLGLTexture* LLTexLayerStaticImageList::getTexture(const std::string& file_name, BOOL is_mask)
 {
-	LLPointer<LLTexture> tex;
+	LLPointer<LLGLTexture> tex;
 	const char *namekey = mImageNames.addString(file_name);
 
 	texture_map_t::const_iterator iter = mStaticImageList.find(namekey);
@@ -1844,7 +1844,7 @@ LLTexture* LLTexLayerStaticImageList::getTexture(const std::string& file_name, B
 				// that once an image is a mask it's always a mask.
 				tex->setExplicitFormat( GL_ALPHA8, GL_ALPHA );
 			}
-			tex->createGLTexture(0, image_raw, 0, TRUE, LLTexture::LOCAL);
+			tex->createGLTexture(0, image_raw, 0, TRUE, LLGLTexture::LOCAL);
 
 			gGL.getTexUnit(0)->bind(tex);
 			tex->setAddressMode(LLTexUnit::TAM_CLAMP);
diff --git a/indra/llappearance/lltexlayer.h b/indra/llappearance/lltexlayer.h
index 4f2ee5b045..e9e1764763 100644
--- a/indra/llappearance/lltexlayer.h
+++ b/indra/llappearance/lltexlayer.h
@@ -28,7 +28,7 @@
 #define LL_LLTEXLAYER_H
 
 #include <deque>
-#include "lltexture.h"
+#include "llgltexture.h"
 #include "llframetimer.h"
 #include "llavatarappearancedefines.h"
 #include "lltexlayerparams.h"
@@ -287,7 +287,7 @@ class LLTexLayerStaticImageList : public LLSingleton<LLTexLayerStaticImageList>
 public:
 	LLTexLayerStaticImageList();
 	~LLTexLayerStaticImageList();
-	LLTexture*			getTexture(const std::string& file_name, BOOL is_mask);
+	LLGLTexture*		getTexture(const std::string& file_name, BOOL is_mask);
 	LLImageTGA*			getImageTGA(const std::string& file_name);
 	void				deleteCachedImages();
 	void				dumpByteCount() const;
@@ -295,7 +295,7 @@ protected:
 	BOOL				loadImageRaw(const std::string& file_name, LLImageRaw* image_raw);
 private:
 	LLStringTable 		mImageNames;
-	typedef std::map<const char*, LLPointer<LLTexture> > texture_map_t;
+	typedef std::map<const char*, LLPointer<LLGLTexture> > texture_map_t;
 	texture_map_t 		mStaticImageList;
 	typedef std::map<const char*, LLPointer<LLImageTGA> > image_tga_map_t;
 	image_tga_map_t 	mStaticImageListTGA;
diff --git a/indra/llappearance/lltexlayerparams.cpp b/indra/llappearance/lltexlayerparams.cpp
index 4f0456f315..06001c6b15 100644
--- a/indra/llappearance/lltexlayerparams.cpp
+++ b/indra/llappearance/lltexlayerparams.cpp
@@ -97,7 +97,7 @@ void LLTexLayerParamAlpha::getCacheByteCount(S32* gl_bytes)
 		 iter != sInstances.end(); iter++)
 	{
 		LLTexLayerParamAlpha* instance = *iter;
-		LLTexture* tex = instance->mCachedProcessedTexture;
+		LLGLTexture* tex = instance->mCachedProcessedTexture;
 		if (tex)
 		{
 			S32 bytes = (S32)tex->getWidth() * tex->getHeight() * tex->getComponents();
diff --git a/indra/llappearance/lltexlayerparams.h b/indra/llappearance/lltexlayerparams.h
index dbffd15751..1974a4f7ac 100644
--- a/indra/llappearance/lltexlayerparams.h
+++ b/indra/llappearance/lltexlayerparams.h
@@ -36,7 +36,7 @@ class LLImageRaw;
 class LLImageTGA;
 class LLTexLayer;
 class LLTexLayerInterface;
-class LLTexture;
+class LLGLTexture;
 class LLWearable;
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -91,7 +91,7 @@ public:
 	BOOL					getMultiplyBlend() const;
 
 private:
-	LLPointer<LLTexture>	mCachedProcessedTexture;
+	LLPointer<LLGLTexture>	mCachedProcessedTexture;
 	LLPointer<LLImageTGA>	mStaticImageTGA;
 	LLPointer<LLImageRaw>	mStaticImageRaw;
 	BOOL					mNeedsCreateTexture;
diff --git a/indra/llappearance/lltexturemanagerbridge.h b/indra/llappearance/lltexturemanagerbridge.h
index 20f5d0fd3c..99c01755d4 100644
--- a/indra/llappearance/lltexturemanagerbridge.h
+++ b/indra/llappearance/lltexturemanagerbridge.h
@@ -28,15 +28,15 @@
 #define LL_TEXTUREMANAGERBRIDGE_H
 
 #include "llpointer.h"
-#include "lltexture.h"
+#include "llgltexture.h"
 
 // Abstract bridge interface
 class LLTextureManagerBridge
 {
 public:
-	virtual LLPointer<LLTexture> getLocalTexture(BOOL usemipmaps = TRUE, BOOL generate_gl_tex = TRUE) = 0;
-	virtual LLPointer<LLTexture> getLocalTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps, BOOL generate_gl_tex = TRUE) = 0;
-	virtual LLTexture* getFetchedTexture(const LLUUID &image_id) = 0;
+	virtual LLPointer<LLGLTexture> getLocalTexture(BOOL usemipmaps = TRUE, BOOL generate_gl_tex = TRUE) = 0;
+	virtual LLPointer<LLGLTexture> getLocalTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps, BOOL generate_gl_tex = TRUE) = 0;
+	virtual LLGLTexture* getFetchedTexture(const LLUUID &image_id) = 0;
 };
 
 extern LLTextureManagerBridge* gTextureManagerBridgep;
diff --git a/indra/llrender/CMakeLists.txt b/indra/llrender/CMakeLists.txt
index 516af93316..4609401ccf 100644
--- a/indra/llrender/CMakeLists.txt
+++ b/indra/llrender/CMakeLists.txt
@@ -34,6 +34,7 @@ set(llrender_SOURCE_FILES
     llfontregistry.cpp
     llgldbg.cpp
     llglslshader.cpp
+    llgltexture.cpp
     llimagegl.cpp
     llpostprocess.cpp
     llrendernavprim.cpp
@@ -56,6 +57,7 @@ set(llrender_HEADER_FILES
     llglheaders.h
     llglslshader.h
     llglstates.h
+    llgltexture.h
     llgltypes.h
     llimagegl.h
     llpostprocess.h
diff --git a/indra/llrender/llgltexture.cpp b/indra/llrender/llgltexture.cpp
new file mode 100644
index 0000000000..d06ed5e57b
--- /dev/null
+++ b/indra/llrender/llgltexture.cpp
@@ -0,0 +1,396 @@
+/** 
+ * @file llgltexture.cpp
+ * @brief Opengl texture implementation
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#include "linden_common.h"
+#include "llgltexture.h"
+
+
+// static
+S32 LLGLTexture::getTotalNumOfCategories() 
+{
+	return MAX_GL_IMAGE_CATEGORY - (BOOST_HIGH - BOOST_SCULPTED) + 2 ;
+}
+
+// static
+//index starts from zero.
+S32 LLGLTexture::getIndexFromCategory(S32 category) 
+{
+	return (category < BOOST_HIGH) ? category : category - (BOOST_HIGH - BOOST_SCULPTED) + 1 ;
+}
+
+//static 
+S32 LLGLTexture::getCategoryFromIndex(S32 index)
+{
+	return (index < BOOST_HIGH) ? index : index + (BOOST_HIGH - BOOST_SCULPTED) - 1 ;
+}
+
+LLGLTexture::LLGLTexture(BOOL usemipmaps)
+{
+	init();
+	mUseMipMaps = usemipmaps;
+}
+
+LLGLTexture::LLGLTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps)
+{
+	init();
+	mFullWidth = width ;
+	mFullHeight = height ;
+	mUseMipMaps = usemipmaps;
+	mComponents = components ;
+	setTexelsPerImage();
+}
+
+LLGLTexture::LLGLTexture(const LLImageRaw* raw, BOOL usemipmaps)
+{
+	init();
+	mUseMipMaps = usemipmaps ;
+	// Create an empty image of the specified size and width
+	mGLTexturep = new LLImageGL(raw, usemipmaps) ;
+}
+
+LLGLTexture::~LLGLTexture()
+{
+	cleanup();
+}
+
+void LLGLTexture::init()
+{
+	mBoostLevel = LLGLTexture::BOOST_NONE;
+
+	mFullWidth = 0;
+	mFullHeight = 0;
+	mTexelsPerImage = 0 ;
+	mUseMipMaps = FALSE ;
+	mComponents = 0 ;
+
+	mTextureState = NO_DELETE ;
+	mDontDiscard = FALSE;
+	mNeedsGLTexture = FALSE ;
+}
+
+void LLGLTexture::cleanup()
+{
+	if(mGLTexturep)
+	{
+		mGLTexturep->cleanup();
+	}
+}
+
+// virtual
+void LLGLTexture::dump()
+{
+	if(mGLTexturep)
+	{
+		mGLTexturep->dump();
+	}
+}
+
+void LLGLTexture::setBoostLevel(S32 level)
+{
+	if(mBoostLevel != level)
+	{
+		mBoostLevel = level ;
+		if(mBoostLevel != LLGLTexture::BOOST_NONE)
+		{
+			setNoDelete() ;		
+		}
+	}
+}
+
+void LLGLTexture::forceActive()
+{
+	mTextureState = ACTIVE ; 
+}
+
+void LLGLTexture::setActive() 
+{ 
+	if(mTextureState != NO_DELETE)
+	{
+		mTextureState = ACTIVE ; 
+	}
+}
+
+//set the texture to stay in memory
+void LLGLTexture::setNoDelete() 
+{ 
+	mTextureState = NO_DELETE ;
+}
+
+void LLGLTexture::generateGLTexture() 
+{	
+	if(mGLTexturep.isNull())
+	{
+		mGLTexturep = new LLImageGL(mFullWidth, mFullHeight, mComponents, mUseMipMaps) ;
+	}
+}
+
+LLImageGL* LLGLTexture::getGLTexture() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep ;
+}
+
+BOOL LLGLTexture::createGLTexture() 
+{
+	if(mGLTexturep.isNull())
+	{
+		generateGLTexture() ;
+	}
+
+	return mGLTexturep->createGLTexture() ;
+}
+
+BOOL LLGLTexture::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename, BOOL to_create, S32 category)
+{
+	llassert(mGLTexturep.notNull()) ;	
+
+	BOOL ret = mGLTexturep->createGLTexture(discard_level, imageraw, usename, to_create, category) ;
+
+	if(ret)
+	{
+		mFullWidth = mGLTexturep->getCurrentWidth() ;
+		mFullHeight = mGLTexturep->getCurrentHeight() ; 
+		mComponents = mGLTexturep->getComponents() ;	
+		setTexelsPerImage();
+	}
+
+	return ret ;
+}
+
+void LLGLTexture::setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format, BOOL swap_bytes)
+{
+	llassert(mGLTexturep.notNull()) ;
+	
+	mGLTexturep->setExplicitFormat(internal_format, primary_format, type_format, swap_bytes) ;
+}
+void LLGLTexture::setAddressMode(LLTexUnit::eTextureAddressMode mode)
+{
+	llassert(mGLTexturep.notNull()) ;
+	mGLTexturep->setAddressMode(mode) ;
+}
+void LLGLTexture::setFilteringOption(LLTexUnit::eTextureFilterOptions option)
+{
+	llassert(mGLTexturep.notNull()) ;
+	mGLTexturep->setFilteringOption(option) ;
+}
+
+//virtual
+S32	LLGLTexture::getWidth(S32 discard_level) const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getWidth(discard_level) ;
+}
+
+//virtual
+S32	LLGLTexture::getHeight(S32 discard_level) const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getHeight(discard_level) ;
+}
+
+S32 LLGLTexture::getMaxDiscardLevel() const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getMaxDiscardLevel() ;
+}
+S32 LLGLTexture::getDiscardLevel() const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getDiscardLevel() ;
+}
+S8  LLGLTexture::getComponents() const 
+{ 
+	llassert(mGLTexturep.notNull()) ;
+	
+	return mGLTexturep->getComponents() ;
+}
+
+LLGLuint LLGLTexture::getTexName() const 
+{ 
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getTexName() ; 
+}
+
+BOOL LLGLTexture::hasGLTexture() const 
+{
+	if(mGLTexturep.notNull())
+	{
+		return mGLTexturep->getHasGLTexture() ;
+	}
+	return FALSE ;
+}
+
+BOOL LLGLTexture::getBoundRecently() const
+{
+	if(mGLTexturep.notNull())
+	{
+		return mGLTexturep->getBoundRecently() ;
+	}
+	return FALSE ;
+}
+
+LLTexUnit::eTextureType LLGLTexture::getTarget(void) const
+{
+	llassert(mGLTexturep.notNull()) ;
+	return mGLTexturep->getTarget() ;
+}
+
+BOOL LLGLTexture::setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height)
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->setSubImage(imageraw, x_pos, y_pos, width, height) ;
+}
+
+BOOL LLGLTexture::setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height)
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->setSubImage(datap, data_width, data_height, x_pos, y_pos, width, height) ;
+}
+
+void LLGLTexture::setGLTextureCreated (bool initialized)
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	mGLTexturep->setGLTextureCreated (initialized) ;
+}
+
+void  LLGLTexture::setCategory(S32 category) 
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	mGLTexturep->setCategory(category) ;
+}
+
+LLTexUnit::eTextureAddressMode LLGLTexture::getAddressMode(void) const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getAddressMode() ;
+}
+
+S32 LLGLTexture::getTextureMemory() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->mTextureMemory ;
+}
+
+LLGLenum LLGLTexture::getPrimaryFormat() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getPrimaryFormat() ;
+}
+
+BOOL LLGLTexture::getIsAlphaMask() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getIsAlphaMask() ;
+}
+
+BOOL LLGLTexture::getMask(const LLVector2 &tc)
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getMask(tc) ;
+}
+
+F32 LLGLTexture::getTimePassedSinceLastBound()
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getTimePassedSinceLastBound() ;
+}
+BOOL LLGLTexture::getMissed() const 
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getMissed() ;
+}
+
+BOOL LLGLTexture::isJustBound() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->isJustBound() ;
+}
+
+void LLGLTexture::forceUpdateBindStats(void) const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->forceUpdateBindStats() ;
+}
+
+U32 LLGLTexture::getTexelsInAtlas() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getTexelsInAtlas() ;
+}
+
+U32 LLGLTexture::getTexelsInGLTexture() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getTexelsInGLTexture() ;
+}
+
+BOOL LLGLTexture::isGLTextureCreated() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->isGLTextureCreated() ;
+}
+
+S32  LLGLTexture::getDiscardLevelInAtlas() const
+{
+	llassert(mGLTexturep.notNull()) ;
+
+	return mGLTexturep->getDiscardLevelInAtlas() ;
+}
+
+void LLGLTexture::destroyGLTexture() 
+{
+	if(mGLTexturep.notNull() && mGLTexturep->getHasGLTexture())
+	{
+		mGLTexturep->destroyGLTexture() ;
+		mTextureState = DELETED ;
+	}
+}
+
+void LLGLTexture::setTexelsPerImage()
+{
+	S32 fullwidth = llmin(mFullWidth,(S32)MAX_IMAGE_SIZE_DEFAULT);
+	S32 fullheight = llmin(mFullHeight,(S32)MAX_IMAGE_SIZE_DEFAULT);
+	mTexelsPerImage = (F32)fullwidth * fullheight;
+}
+
+
diff --git a/indra/llrender/llgltexture.h b/indra/llrender/llgltexture.h
new file mode 100644
index 0000000000..a02946d37f
--- /dev/null
+++ b/indra/llrender/llgltexture.h
@@ -0,0 +1,196 @@
+/** 
+ * @file llglviewertexture.h
+ * @brief Object for managing opengl textures
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+
+#ifndef LL_GL_TEXTURE_H
+#define LL_GL_TEXTURE_H
+
+#include "lltexture.h"
+#include "llgl.h"
+
+class LLImageRaw;
+
+//
+//this the parent for the class LLViewerTexture
+//through the following virtual functions, the class LLViewerTexture can be reached from /llrender.
+//
+class LLGLTexture : public LLTexture
+{
+public:
+	enum
+	{
+		MAX_IMAGE_SIZE_DEFAULT = 1024,
+		INVALID_DISCARD_LEVEL = 0x7fff
+	};
+
+	enum EBoostLevel
+	{
+		BOOST_NONE 			= 0,
+		BOOST_AVATAR_BAKED	,
+		BOOST_AVATAR		,
+		BOOST_CLOUDS		,
+		BOOST_SCULPTED      ,
+		
+		BOOST_HIGH 			= 10,
+		BOOST_BUMP          ,
+		BOOST_TERRAIN		, // has to be high priority for minimap / low detail
+		BOOST_SELECTED		,		
+		BOOST_AVATAR_BAKED_SELF	,
+		BOOST_AVATAR_SELF	, // needed for baking avatar
+		BOOST_SUPER_HIGH    , //textures higher than this need to be downloaded at the required resolution without delay.
+		BOOST_HUD			,
+		BOOST_ICON			,
+		BOOST_UI			,
+		BOOST_PREVIEW		,
+		BOOST_MAP			,
+		BOOST_MAP_VISIBLE	,		
+		BOOST_MAX_LEVEL,
+
+		//other texture Categories
+		LOCAL = BOOST_MAX_LEVEL,
+		AVATAR_SCRATCH_TEX,
+		DYNAMIC_TEX,
+		MEDIA,
+		ATLAS,
+		OTHER,
+		MAX_GL_IMAGE_CATEGORY
+	};
+
+	static S32 getTotalNumOfCategories() ;
+	static S32 getIndexFromCategory(S32 category) ;
+	static S32 getCategoryFromIndex(S32 index) ;
+
+protected:
+	virtual ~LLGLTexture();
+	LOG_CLASS(LLGLTexture);
+
+public:
+	LLGLTexture(BOOL usemipmaps = TRUE);
+	LLGLTexture(const LLImageRaw* raw, BOOL usemipmaps) ;
+	LLGLTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps) ;
+
+	virtual void dump();	// debug info to llinfos
+
+	void setBoostLevel(S32 level);
+	S32  getBoostLevel() { return mBoostLevel; }
+
+	S32 getFullWidth() const { return mFullWidth; }
+	S32 getFullHeight() const { return mFullHeight; }	
+
+	void generateGLTexture() ;
+	void destroyGLTexture() ;
+
+	virtual const LLUUID& getID() const = 0;
+
+	//---------------------------------------------------------------------------------------------
+	//functions to access LLImageGL
+	//---------------------------------------------------------------------------------------------
+	/*virtual*/S32	       getWidth(S32 discard_level = -1) const;
+	/*virtual*/S32	       getHeight(S32 discard_level = -1) const;
+
+	BOOL       hasGLTexture() const ;
+	LLGLuint   getTexName() const ;		
+	BOOL       createGLTexture() ;
+	BOOL       createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename = 0, BOOL to_create = TRUE, S32 category = LLGLTexture::OTHER);
+
+	void       setFilteringOption(LLTexUnit::eTextureFilterOptions option);
+	void       setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format = 0, BOOL swap_bytes = FALSE);
+	void       setAddressMode(LLTexUnit::eTextureAddressMode mode);
+	BOOL       setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height);
+	BOOL       setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height);
+	void       setGLTextureCreated (bool initialized);
+	void       setCategory(S32 category) ;
+
+	LLTexUnit::eTextureAddressMode getAddressMode(void) const ;
+	S32        getMaxDiscardLevel() const;
+	S32        getDiscardLevel() const;
+	S8         getComponents() const;
+	BOOL       getBoundRecently() const;
+	S32        getTextureMemory() const ;
+	LLGLenum   getPrimaryFormat() const;
+	BOOL       getIsAlphaMask() const ;
+	LLTexUnit::eTextureType getTarget(void) const ;
+	BOOL       getMask(const LLVector2 &tc);
+	F32        getTimePassedSinceLastBound();
+	BOOL       getMissed() const ;
+	BOOL       isJustBound()const ;
+	void       forceUpdateBindStats(void) const;
+
+	U32        getTexelsInAtlas() const ;
+	U32        getTexelsInGLTexture() const ;
+	BOOL       isGLTextureCreated() const ;
+	S32        getDiscardLevelInAtlas() const ;
+	//---------------------------------------------------------------------------------------------
+	//end of functions to access LLImageGL
+	//---------------------------------------------------------------------------------------------
+
+	//-----------------
+	/*virtual*/ void setActive() ;
+	void forceActive() ;
+	void setNoDelete() ;
+	void dontDiscard() { mDontDiscard = 1; mTextureState = NO_DELETE; }
+	BOOL getDontDiscard() const { return mDontDiscard; }
+	//-----------------	
+
+private:
+	void cleanup();
+	void init();
+
+protected:
+	void setTexelsPerImage();
+
+	//note: do not make this function public.
+	/*virtual*/ LLImageGL* getGLTexture() const ;
+
+protected:
+	S32 mBoostLevel;				// enum describing priority level
+	S32 mFullWidth;
+	S32 mFullHeight;
+	BOOL mUseMipMaps;
+	S8  mComponents;
+	F32 mTexelsPerImage;			// Texels per image.
+	mutable S8  mNeedsGLTexture;
+
+	//GL texture
+	LLPointer<LLImageGL> mGLTexturep ;
+	S8 mDontDiscard;			// Keep full res version of this image (for UI, etc)
+
+protected:
+	typedef enum 
+	{
+		DELETED = 0,         //removed from memory
+		DELETION_CANDIDATE,  //ready to be removed from memory
+		INACTIVE,            //not be used for the last certain period (i.e., 30 seconds).
+		ACTIVE,              //just being used, can become inactive if not being used for a certain time (10 seconds).
+		NO_DELETE = 99       //stay in memory, can not be removed.
+	} LLGLTextureState;
+	LLGLTextureState  mTextureState ;
+
+
+};
+
+#endif // LL_GL_TEXTURE_H
+
diff --git a/indra/llrender/lltexture.h b/indra/llrender/lltexture.h
index 40245968d1..2f9eb9b642 100644
--- a/indra/llrender/lltexture.h
+++ b/indra/llrender/lltexture.h
@@ -32,18 +32,15 @@
 #ifndef LL_TEXTURE_H
 #define LL_TEXTURE_H
 
-#include "llgltypes.h"
 #include "llrefcount.h"
-#include "llrender.h"
-
+class LLImageGL ;
+class LLTexUnit ;
 class LLFontGL ;
-class LLImageRaw ;
 
 //
-//this is an abstract class as the parent for the class LLViewerTexture
-//through the following virtual functions, the class LLViewerTexture can be reached from /llrender.
+//this is an abstract class as the parent for the class LLGLTexture
 //
-class LLTexture : public virtual LLRefCount
+class LLTexture : public LLRefCount
 {
 	friend class LLTexUnit ;
 	friend class LLFontGL ;
@@ -54,41 +51,8 @@ protected:
 public:
 	LLTexture(){}
 
-	enum EBoostLevel
-	{
-		BOOST_NONE 			= 0,
-		BOOST_AVATAR_BAKED	,
-		BOOST_AVATAR		,
-		BOOST_CLOUDS		,
-		BOOST_SCULPTED      ,
-		
-		BOOST_HIGH 			= 10,
-		BOOST_BUMP          ,
-		BOOST_TERRAIN		, // has to be high priority for minimap / low detail
-		BOOST_SELECTED		,		
-		BOOST_AVATAR_BAKED_SELF	,
-		BOOST_AVATAR_SELF	, // needed for baking avatar
-		BOOST_SUPER_HIGH    , //textures higher than this need to be downloaded at the required resolution without delay.
-		BOOST_HUD			,
-		BOOST_ICON			,
-		BOOST_UI			,
-		BOOST_PREVIEW		,
-		BOOST_MAP			,
-		BOOST_MAP_VISIBLE	,		
-		BOOST_MAX_LEVEL,
-
-		//other texture Categories
-		LOCAL = BOOST_MAX_LEVEL,
-		AVATAR_SCRATCH_TEX,
-		DYNAMIC_TEX,
-		MEDIA,
-		ATLAS,
-		OTHER,
-		MAX_GL_IMAGE_CATEGORY
-	};
-
 	//
-	//interfaces to access LLViewerTexture
+	//interfaces to access LLGLTexture
 	//
 	virtual S8         getType() const = 0 ;
 	virtual void       setKnownDrawSize(S32 width, S32 height) = 0 ;
@@ -97,13 +61,6 @@ public:
 	virtual void       setActive() = 0 ;
 	virtual S32	       getWidth(S32 discard_level = -1) const = 0 ;
 	virtual S32	       getHeight(S32 discard_level = -1) const = 0 ;
-	virtual BOOL       hasGLTexture() const  = 0;
-	virtual BOOL       createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename = 0, BOOL to_create = TRUE, S32 category = LLTexture::OTHER) = 0;
-	virtual void       setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format = 0, BOOL swap_bytes = FALSE) = 0;
-	virtual void       setAddressMode(LLTexUnit::eTextureAddressMode mode) = 0;
-	virtual LLTexUnit::eTextureAddressMode getAddressMode(void) const = 0;
-	virtual S8         getComponents() const = 0;
-	virtual            const LLUUID& getID() const = 0;
 
 private:
 	//note: do not make this function public.
diff --git a/indra/newview/llcolorswatch.cpp b/indra/newview/llcolorswatch.cpp
index 5b942f283a..87fd47cb2c 100644
--- a/indra/newview/llcolorswatch.cpp
+++ b/indra/newview/llcolorswatch.cpp
@@ -242,7 +242,7 @@ void LLColorSwatchCtrl::draw()
 		if (!mFallbackImageName.empty())
 		{
 			LLPointer<LLViewerFetchedTexture> fallback_image = LLViewerTextureManager::getFetchedTextureFromFile(mFallbackImageName, TRUE, 
-				LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+				LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
 			if( fallback_image->getComponents() == 4 )
 			{	
 				gl_rect_2d_checkerboard( interior );
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index a264eae302..74633e4e42 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -153,7 +153,7 @@ void LLStandardBumpmap::addstandard()
 		gStandardBumpmapList[LLStandardBumpmap::sStandardBumpmapCount].mLabel = label;
 		gStandardBumpmapList[LLStandardBumpmap::sStandardBumpmapCount].mImage = 
 			LLViewerTextureManager::getFetchedTexture(LLUUID(bump_image_id));	
-		gStandardBumpmapList[LLStandardBumpmap::sStandardBumpmapCount].mImage->setBoostLevel(LLViewerTexture::BOOST_BUMP) ;
+		gStandardBumpmapList[LLStandardBumpmap::sStandardBumpmapCount].mImage->setBoostLevel(LLGLTexture::BOOST_BUMP) ;
 		gStandardBumpmapList[LLStandardBumpmap::sStandardBumpmapCount].mImage->setLoadedCallback(LLBumpImageList::onSourceStandardLoaded, 0, TRUE, FALSE, NULL, NULL );
 		gStandardBumpmapList[LLStandardBumpmap::sStandardBumpmapCount].mImage->forceToSaveRawImage(0) ;
 		LLStandardBumpmap::sStandardBumpmapCount++;
@@ -1075,7 +1075,7 @@ LLViewerTexture* LLBumpImageList::getBrightnessDarknessImage(LLViewerFetchedText
 			src_image->getHeight() != bump->getHeight())// ||
 			//(LLPipeline::sRenderDeferred && bump->getComponents() != 4))
 		{
-			src_image->setBoostLevel(LLViewerTexture::BOOST_BUMP) ;
+			src_image->setBoostLevel(LLGLTexture::BOOST_BUMP) ;
 			src_image->setLoadedCallback( callback_func, 0, TRUE, FALSE, new LLUUID(src_image->getID()), NULL );
 			src_image->forceToSaveRawImage(0) ;
 		}
diff --git a/indra/newview/lldrawpoolterrain.cpp b/indra/newview/lldrawpoolterrain.cpp
index 9bc32fddbd..809f34bdff 100644
--- a/indra/newview/lldrawpoolterrain.cpp
+++ b/indra/newview/lldrawpoolterrain.cpp
@@ -69,7 +69,7 @@ LLDrawPoolTerrain::LLDrawPoolTerrain(LLViewerTexture *texturep) :
 	sDetailScale = 1.f/gSavedSettings.getF32("RenderTerrainScale");
 	sDetailMode = gSavedSettings.getS32("RenderTerrainDetail");
 	mAlphaRampImagep = LLViewerTextureManager::getFetchedTextureFromFile("alpha_gradient.tga", 
-													TRUE, LLViewerTexture::BOOST_UI, 
+													TRUE, LLGLTexture::BOOST_UI, 
 													LLViewerTexture::FETCHED_TEXTURE,
 													format, int_format,
 													LLUUID("e97cf410-8e61-7005-ec06-629eba4cd1fb"));
@@ -78,7 +78,7 @@ LLDrawPoolTerrain::LLDrawPoolTerrain(LLViewerTexture *texturep) :
 	mAlphaRampImagep->setAddressMode(LLTexUnit::TAM_CLAMP);
 
 	m2DAlphaRampImagep = LLViewerTextureManager::getFetchedTextureFromFile("alpha_gradient_2d.j2c", 
-													TRUE, LLViewerTexture::BOOST_UI, 
+													TRUE, LLGLTexture::BOOST_UI, 
 													LLViewerTexture::FETCHED_TEXTURE,
 													format, int_format,
 													LLUUID("38b86f85-2575-52a9-a531-23108d8da837"));
@@ -86,7 +86,7 @@ LLDrawPoolTerrain::LLDrawPoolTerrain(LLViewerTexture *texturep) :
 	//gGL.getTexUnit(0)->bind(m2DAlphaRampImagep.get());
 	m2DAlphaRampImagep->setAddressMode(LLTexUnit::TAM_CLAMP);
 	
-	mTexturep->setBoostLevel(LLViewerTexture::BOOST_TERRAIN);
+	mTexturep->setBoostLevel(LLGLTexture::BOOST_TERRAIN);
 	
 	//gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 }
@@ -170,7 +170,7 @@ void LLDrawPoolTerrain::render(S32 pass)
 	LLVLComposition *compp = regionp->getComposition();
 	for (S32 i = 0; i < 4; i++)
 	{
-		compp->mDetailTextures[i]->setBoostLevel(LLViewerTexture::BOOST_TERRAIN);
+		compp->mDetailTextures[i]->setBoostLevel(LLGLTexture::BOOST_TERRAIN);
 		compp->mDetailTextures[i]->addTextureStats(1024.f*1024.f); // assume large pixel area
 	}
 
diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp
index 4f6eaa5a5b..26890bd75f 100644
--- a/indra/newview/lldrawpoolwater.cpp
+++ b/indra/newview/lldrawpoolwater.cpp
@@ -66,11 +66,11 @@ LLVector3 LLDrawPoolWater::sLightDir;
 LLDrawPoolWater::LLDrawPoolWater() :
 	LLFacePool(POOL_WATER)
 {
-	mHBTex[0] = LLViewerTextureManager::getFetchedTexture(gSunTextureID, TRUE, LLViewerTexture::BOOST_UI);
+	mHBTex[0] = LLViewerTextureManager::getFetchedTexture(gSunTextureID, TRUE, LLGLTexture::BOOST_UI);
 	gGL.getTexUnit(0)->bind(mHBTex[0]) ;
 	mHBTex[0]->setAddressMode(LLTexUnit::TAM_CLAMP);
 
-	mHBTex[1] = LLViewerTextureManager::getFetchedTexture(gMoonTextureID, TRUE, LLViewerTexture::BOOST_UI);
+	mHBTex[1] = LLViewerTextureManager::getFetchedTexture(gMoonTextureID, TRUE, LLGLTexture::BOOST_UI);
 	gGL.getTexUnit(0)->bind(mHBTex[1]);
 	mHBTex[1]->setAddressMode(LLTexUnit::TAM_CLAMP);
 
diff --git a/indra/newview/lldynamictexture.cpp b/indra/newview/lldynamictexture.cpp
index fa42b157a7..29ad4f34d2 100755
--- a/indra/newview/lldynamictexture.cpp
+++ b/indra/newview/lldynamictexture.cpp
@@ -107,7 +107,7 @@ void LLViewerDynamicTexture::generateGLTexture(LLGLint internal_format, LLGLenum
 	{
 		setExplicitFormat(internal_format, primary_format, type_format, swap_bytes);
 	}
-	createGLTexture(0, raw_image, 0, TRUE, LLViewerTexture::DYNAMIC_TEX);
+	createGLTexture(0, raw_image, 0, TRUE, LLGLTexture::DYNAMIC_TEX);
 	setAddressMode((mClamp) ? LLTexUnit::TAM_CLAMP : LLTexUnit::TAM_WRAP);
 	mGLTexturep->setGLTextureCreated(false);
 }
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 4a0c94df33..947ab84eec 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -560,8 +560,8 @@ void LLFace::renderSelected(LLViewerTexture *imagep, const LLColor4& color)
 /* removed in lieu of raycast uv detection
 void LLFace::renderSelectedUV()
 {
-	LLViewerTexture* red_blue_imagep = LLViewerTextureManager::getFetchedTextureFromFile("uv_test1.j2c", TRUE, LLViewerTexture::BOOST_UI);
-	LLViewerTexture* green_imagep = LLViewerTextureManager::getFetchedTextureFromFile("uv_test2.tga", TRUE, LLViewerTexture::BOOST_UI);
+	LLViewerTexture* red_blue_imagep = LLViewerTextureManager::getFetchedTextureFromFile("uv_test1.j2c", TRUE, LLGLTexture::BOOST_UI);
+	LLViewerTexture* green_imagep = LLViewerTextureManager::getFetchedTextureFromFile("uv_test2.tga", TRUE, LLGLTexture::BOOST_UI);
 
 	LLGLSUVSelect object_select;
 
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index a071f338ba..dbab15dc9e 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -2488,7 +2488,7 @@ void LLModelLoader::loadTextures()
 				if(!material.mDiffuseMapFilename.empty())
 				{
 					material.mDiffuseMap = 
-						LLViewerTextureManager::getFetchedTextureFromUrl("file://" + material.mDiffuseMapFilename, TRUE, LLViewerTexture::BOOST_PREVIEW);
+						LLViewerTextureManager::getFetchedTextureFromUrl("file://" + material.mDiffuseMapFilename, TRUE, LLGLTexture::BOOST_PREVIEW);
 					material.mDiffuseMap->setLoadedCallback(LLModelPreview::textureLoadedCallback, 0, TRUE, FALSE, mPreview, NULL, FALSE);
 					material.mDiffuseMap->forceToSaveRawImage(0, F32_MAX);
 					mNumOfFetchingTextures++ ;
diff --git a/indra/newview/llfloaterreporter.cpp b/indra/newview/llfloaterreporter.cpp
index 479bdd5ff7..da773e90ec 100644
--- a/indra/newview/llfloaterreporter.cpp
+++ b/indra/newview/llfloaterreporter.cpp
@@ -765,8 +765,8 @@ void LLFloaterReporter::takeScreenshot()
 
 	// store in the image list so it doesn't try to fetch from the server
 	LLPointer<LLViewerFetchedTexture> image_in_list = 
-		LLViewerTextureManager::getFetchedTexture(mResourceDatap->mAssetInfo.mUuid, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::FETCHED_TEXTURE);
-	image_in_list->createGLTexture(0, raw, 0, TRUE, LLViewerTexture::OTHER);
+		LLViewerTextureManager::getFetchedTexture(mResourceDatap->mAssetInfo.mUuid, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::FETCHED_TEXTURE);
+	image_in_list->createGLTexture(0, raw, 0, TRUE, LLGLTexture::OTHER);
 	
 	// the texture picker then uses that texture
 	LLTexturePicker* texture = getChild<LLTextureCtrl>("screenshot");
diff --git a/indra/newview/llfloaterscriptdebug.cpp b/indra/newview/llfloaterscriptdebug.cpp
index b691db1049..c987dbb4fb 100644
--- a/indra/newview/llfloaterscriptdebug.cpp
+++ b/indra/newview/llfloaterscriptdebug.cpp
@@ -105,7 +105,7 @@ void LLFloaterScriptDebug::addScriptLine(const std::string &utf8mesg, const std:
 
 	if (objectp)
 	{
-		objectp->setIcon(LLViewerTextureManager::getFetchedTextureFromFile("script_error.j2c", TRUE, LLViewerTexture::BOOST_UI));
+		objectp->setIcon(LLViewerTextureManager::getFetchedTextureFromFile("script_error.j2c", TRUE, LLGLTexture::BOOST_UI));
 		floater_label = llformat("%s(%.0f, %.0f, %.0f)",
 						user_name.c_str(),
 						objectp->getPositionRegion().mV[VX],
diff --git a/indra/newview/lllocalbitmaps.cpp b/indra/newview/lllocalbitmaps.cpp
index fce4c29870..3a199135b6 100644
--- a/indra/newview/lllocalbitmaps.cpp
+++ b/indra/newview/lllocalbitmaps.cpp
@@ -440,7 +440,7 @@ void LLLocalBitmap::updateUserPrims(LLUUID old_id, LLUUID new_id)
 					if (face && face->getTexture() && face->getTexture()->getID() == old_id)
 					{
 						object->setTEImage(face_iter, LLViewerTextureManager::getFetchedTexture
-							(new_id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
+							(new_id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
 
 						update_obj = true;
 					}
diff --git a/indra/newview/llpreviewtexture.cpp b/indra/newview/llpreviewtexture.cpp
index 3ff5a05d81..3784208e37 100644
--- a/indra/newview/llpreviewtexture.cpp
+++ b/indra/newview/llpreviewtexture.cpp
@@ -70,7 +70,7 @@ LLPreviewTexture::LLPreviewTexture(const LLSD& key)
 	  mAspectRatio(0.f),
 	  mPreviewToSave(FALSE),
 	  mImage(NULL),
-	  mImageOldBoostLevel(LLViewerTexture::BOOST_NONE)
+	  mImageOldBoostLevel(LLGLTexture::BOOST_NONE)
 {
 	updateImageID();
 	if (key.has("save_as"))
@@ -468,9 +468,9 @@ void LLPreviewTexture::onAspectRatioCommit(LLUICtrl* ctrl, void* userdata)
 
 void LLPreviewTexture::loadAsset()
 {
-	mImage = LLViewerTextureManager::getFetchedTexture(mImageID, MIPMAP_TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+	mImage = LLViewerTextureManager::getFetchedTexture(mImageID, MIPMAP_TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
 	mImageOldBoostLevel = mImage->getBoostLevel();
-	mImage->setBoostLevel(LLViewerTexture::BOOST_PREVIEW);
+	mImage->setBoostLevel(LLGLTexture::BOOST_PREVIEW);
 	mImage->forceToSaveRawImage(0) ;
 	mAssetStatus = PREVIEW_ASSET_LOADING;
 	mUpdateDimensions = TRUE;
diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index c3c37141ed..24e272c740 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -1608,7 +1608,7 @@ void LLSelectMgr::selectionSetImage(const LLUUID& imageid)
 				// Texture picker defaults aren't inventory items
 				// * Don't need to worry about permissions for them
 				// * Can just apply the texture and be done with it.
-				objectp->setTEImage(te, LLViewerTextureManager::getFetchedTexture(mImageID, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
+				objectp->setTEImage(te, LLViewerTextureManager::getFetchedTexture(mImageID, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
 			}
 			return true;
 		}
@@ -1774,7 +1774,7 @@ BOOL LLSelectMgr::selectionRevertTextures()
 					}
 					else
 					{
-						object->setTEImage(te, LLViewerTextureManager::getFetchedTexture(id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
+						object->setTEImage(te, LLViewerTextureManager::getFetchedTexture(id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
 					}
 				}
 			}
@@ -5198,7 +5198,7 @@ void LLSelectMgr::updateSilhouettes()
 
 	if (!mSilhouetteImagep)
 	{
-		mSilhouetteImagep = LLViewerTextureManager::getFetchedTextureFromFile("silhouette.j2c", TRUE, LLViewerTexture::BOOST_UI);
+		mSilhouetteImagep = LLViewerTextureManager::getFetchedTextureFromFile("silhouette.j2c", TRUE, LLGLTexture::BOOST_UI);
 	}
 
 	mHighlightedObjects->cleanupNodes();
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 06c87e57fc..c804898cc3 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -3574,9 +3574,9 @@ void renderTexturePriority(LLDrawable* drawable)
 		drawBox(center, size);
 		
 		/*S32 boost = imagep->getBoostLevel();
-		if (boost>LLViewerTexture::BOOST_NONE)
+		if (boost>LLGLTexture::BOOST_NONE)
 		{
-			F32 t = (F32) boost / (F32) (LLViewerTexture::BOOST_MAX_LEVEL-1);
+			F32 t = (F32) boost / (F32) (LLGLTexture::BOOST_MAX_LEVEL-1);
 			LLVector4 col = lerp(boost_cold, boost_hot, t);
 			LLGLEnable blend_on(GL_BLEND);
 			gGL.blendFunc(GL_SRC_ALPHA, GL_ONE);
diff --git a/indra/newview/lltexturectrl.cpp b/indra/newview/lltexturectrl.cpp
index ec36cf48c2..3dc506d265 100644
--- a/indra/newview/lltexturectrl.cpp
+++ b/indra/newview/lltexturectrl.cpp
@@ -571,7 +571,7 @@ void LLFloaterTexturePicker::draw()
 		if(mImageAssetID.notNull())
 		{
 			mTexturep = LLViewerTextureManager::getFetchedTexture(mImageAssetID, MIPMAP_YES);
-			mTexturep->setBoostLevel(LLViewerTexture::BOOST_PREVIEW);
+			mTexturep->setBoostLevel(LLGLTexture::BOOST_PREVIEW);
 		}
 
 		if (mTentativeLabel)
@@ -1456,9 +1456,9 @@ void LLTextureCtrl::draw()
 	}
 	else if (!mImageAssetID.isNull())
 	{
-		LLPointer<LLViewerFetchedTexture> texture = LLViewerTextureManager::getFetchedTexture(mImageAssetID, MIPMAP_YES,LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+		LLPointer<LLViewerFetchedTexture> texture = LLViewerTextureManager::getFetchedTexture(mImageAssetID, MIPMAP_YES,LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
 		
-		texture->setBoostLevel(LLViewerTexture::BOOST_PREVIEW);
+		texture->setBoostLevel(LLGLTexture::BOOST_PREVIEW);
 		texture->forceToSaveRawImage(0) ;
 
 		mTexturep = texture;
diff --git a/indra/newview/lltextureview.cpp b/indra/newview/lltextureview.cpp
index 03529b9246..e9615e2613 100755
--- a/indra/newview/lltextureview.cpp
+++ b/indra/newview/lltextureview.cpp
@@ -170,7 +170,7 @@ void LLTextureBar::draw()
 	{
 		color = LLColor4::green4;
 	}
-	else if (mImagep->getBoostLevel() > LLViewerTexture::BOOST_NONE)
+	else if (mImagep->getBoostLevel() > LLGLTexture::BOOST_NONE)
 	{
 		color = LLColor4::magenta;
 	}
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index 0bf039224c..3bb7de74e1 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -3290,14 +3290,14 @@ void LLViewerObject::boostTexturePriority(BOOL boost_children /* = TRUE */)
 	S32 tex_count = getNumTEs();
 	for (i = 0; i < tex_count; i++)
 	{
- 		getTEImage(i)->setBoostLevel(LLViewerTexture::BOOST_SELECTED);
+ 		getTEImage(i)->setBoostLevel(LLGLTexture::BOOST_SELECTED);
 	}
 
 	if (isSculpted() && !isMesh())
 	{
 		LLSculptParams *sculpt_params = (LLSculptParams *)getParameterEntry(LLNetworkData::PARAMS_SCULPT);
 		LLUUID sculpt_id = sculpt_params->getSculptTexture();
-		LLViewerTextureManager::getFetchedTexture(sculpt_id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE)->setBoostLevel(LLViewerTexture::BOOST_SELECTED);
+		LLViewerTextureManager::getFetchedTexture(sculpt_id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE)->setBoostLevel(LLGLTexture::BOOST_SELECTED);
 	}
 	
 	if (boost_children)
@@ -4044,7 +4044,7 @@ void LLViewerObject::setTE(const U8 te, const LLTextureEntry &texture_entry)
 //	if (mDrawable.notNull() && mDrawable->isVisible())
 //	{
 		const LLUUID& image_id = getTE(te)->getID();
-		mTEImages[te] = LLViewerTextureManager::getFetchedTexture(image_id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+		mTEImages[te] = LLViewerTextureManager::getFetchedTexture(image_id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
 //	}
 }
 
@@ -4070,7 +4070,7 @@ S32 LLViewerObject::setTETextureCore(const U8 te, const LLUUID& uuid, const std:
 		uuid == LLUUID::null)
 	{
 		retval = LLPrimitive::setTETexture(te, uuid);
-		mTEImages[te] = LLViewerTextureManager::getFetchedTextureFromUrl  (url, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE, 0, 0, uuid);
+		mTEImages[te] = LLViewerTextureManager::getFetchedTextureFromUrl  (url, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE, 0, 0, uuid);
 		setChanged(TEXTURE);
 		if (mDrawable.notNull())
 		{
@@ -4087,7 +4087,7 @@ S32 LLViewerObject::setTETextureCore(const U8 te, const LLUUID& uuid, LLHost hos
 		uuid == LLUUID::null)
 	{
 		retval = LLPrimitive::setTETexture(te, uuid);
-		mTEImages[te] = LLViewerTextureManager::getFetchedTexture(uuid, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE, 0, 0, host);
+		mTEImages[te] = LLViewerTextureManager::getFetchedTexture(uuid, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE, 0, 0, host);
 		setChanged(TEXTURE);
 		if (mDrawable.notNull())
 		{
diff --git a/indra/newview/llviewerstats.cpp b/indra/newview/llviewerstats.cpp
index 961c7082cf..635cda4e27 100755
--- a/indra/newview/llviewerstats.cpp
+++ b/indra/newview/llviewerstats.cpp
@@ -564,7 +564,7 @@ F32		gWorstLandCompression = 0.f, gWorstWaterCompression = 0.f;
 U32		gTotalWorldBytes = 0, gTotalObjectBytes = 0, gTotalTextureBytes = 0, gSimPingCount = 0;
 U32		gObjectBits = 0;
 F32		gAvgSimPing = 0.f;
-U32     gTotalTextureBytesPerBoostLevel[LLViewerTexture::MAX_GL_IMAGE_CATEGORY] = {0};
+U32     gTotalTextureBytesPerBoostLevel[LLGLTexture::MAX_GL_IMAGE_CATEGORY] = {0};
 
 extern U32  gVisCompared;
 extern U32  gVisTested;
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index c362269b81..a73ce1d115 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -233,7 +233,7 @@ LLPointer<LLViewerTexture> LLViewerTextureManager::getLocalTexture(BOOL usemipma
 	if(generate_gl_tex)
 	{
 		tex->generateGLTexture() ;
-		tex->setCategory(LLViewerTexture::LOCAL) ;
+		tex->setCategory(LLGLTexture::LOCAL) ;
 	}
 	return tex ;
 }
@@ -243,14 +243,14 @@ LLPointer<LLViewerTexture> LLViewerTextureManager::getLocalTexture(const LLUUID&
 	if(generate_gl_tex)
 	{
 		tex->generateGLTexture() ;
-		tex->setCategory(LLViewerTexture::LOCAL) ;
+		tex->setCategory(LLGLTexture::LOCAL) ;
 	}
 	return tex ;
 }
 LLPointer<LLViewerTexture> LLViewerTextureManager::getLocalTexture(const LLImageRaw* raw, BOOL usemipmaps) 
 {
 	LLPointer<LLViewerTexture> tex = new LLViewerTexture(raw, usemipmaps) ;
-	tex->setCategory(LLViewerTexture::LOCAL) ;
+	tex->setCategory(LLGLTexture::LOCAL) ;
 	return tex ;
 }
 LLPointer<LLViewerTexture> LLViewerTextureManager::getLocalTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps, BOOL generate_gl_tex) 
@@ -259,7 +259,7 @@ LLPointer<LLViewerTexture> LLViewerTextureManager::getLocalTexture(const U32 wid
 	if(generate_gl_tex)
 	{
 		tex->generateGLTexture() ;
-		tex->setCategory(LLViewerTexture::LOCAL) ;
+		tex->setCategory(LLGLTexture::LOCAL) ;
 	}
 	return tex ;
 }
@@ -309,17 +309,17 @@ LLViewerFetchedTexture* LLViewerTextureManager::getFetchedTextureFromHost(const
 // Create a bridge to the viewer texture manager.
 class LLViewerTextureManagerBridge : public LLTextureManagerBridge
 {
-	/*virtual*/ LLPointer<LLTexture> getLocalTexture(BOOL usemipmaps = TRUE, BOOL generate_gl_tex = TRUE)
+	/*virtual*/ LLPointer<LLGLTexture> getLocalTexture(BOOL usemipmaps = TRUE, BOOL generate_gl_tex = TRUE)
 	{
 		return LLViewerTextureManager::getLocalTexture(usemipmaps, generate_gl_tex);
 	}
 
-	/*virtual*/ LLPointer<LLTexture> getLocalTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps, BOOL generate_gl_tex = TRUE)
+	/*virtual*/ LLPointer<LLGLTexture> getLocalTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps, BOOL generate_gl_tex = TRUE)
 	{
 		return LLViewerTextureManager::getLocalTexture(width, height, components, usemipmaps, generate_gl_tex);
 	}
 
-	/*virtual*/ LLTexture* getFetchedTexture(const LLUUID &image_id)
+	/*virtual*/ LLGLTexture* getFetchedTexture(const LLUUID &image_id)
 	{
 		return LLViewerTextureManager::getFetchedTexture(image_id);
 	}
@@ -371,12 +371,12 @@ void LLViewerTextureManager::init()
 	imagep->setCachedRawImage(0, image_raw) ;
 	image_raw = NULL;
 #else
- 	LLViewerFetchedTexture::sDefaultImagep = LLViewerTextureManager::getFetchedTexture(IMG_DEFAULT, TRUE, LLViewerTexture::BOOST_UI);
+ 	LLViewerFetchedTexture::sDefaultImagep = LLViewerTextureManager::getFetchedTexture(IMG_DEFAULT, TRUE, LLGLTexture::BOOST_UI);
 #endif
 	LLViewerFetchedTexture::sDefaultImagep->dontDiscard();
-	LLViewerFetchedTexture::sDefaultImagep->setCategory(LLViewerTexture::OTHER) ;
+	LLViewerFetchedTexture::sDefaultImagep->setCategory(LLGLTexture::OTHER) ;
 
- 	LLViewerFetchedTexture::sSmokeImagep = LLViewerTextureManager::getFetchedTexture(IMG_SMOKE, TRUE, LLViewerTexture::BOOST_UI);
+ 	LLViewerFetchedTexture::sSmokeImagep = LLViewerTextureManager::getFetchedTexture(IMG_SMOKE, TRUE, LLGLTexture::BOOST_UI);
 	LLViewerFetchedTexture::sSmokeImagep->setNoDelete() ;
 
 	image_raw = new LLImageRaw(32,32,3);
@@ -442,25 +442,6 @@ void LLViewerTexture::initClass()
 	}
 }
 
-// static
-S32 LLViewerTexture::getTotalNumOfCategories() 
-{
-	return MAX_GL_IMAGE_CATEGORY - (BOOST_HIGH - BOOST_SCULPTED) + 2 ;
-}
-
-// static
-//index starts from zero.
-S32 LLViewerTexture::getIndexFromCategory(S32 category) 
-{
-	return (category < BOOST_HIGH) ? category : category - (BOOST_HIGH - BOOST_SCULPTED) + 1 ;
-}
-
-//static 
-S32 LLViewerTexture::getCategoryFromIndex(S32 index)
-{
-	return (index < BOOST_HIGH) ? index : index + (BOOST_HIGH - BOOST_SCULPTED) - 1 ;
-}
-
 // tuning params
 const F32 discard_bias_delta = .25f;
 const F32 discard_delta_time = 0.5f;
@@ -597,45 +578,38 @@ void LLViewerTexture::updateClass(const F32 velocity, const F32 angular_velocity
 //-------------------------------------------------------------------------------------------
 const U32 LLViewerTexture::sCurrentFileVersion = 1;
 
-LLViewerTexture::LLViewerTexture(BOOL usemipmaps)
+LLViewerTexture::LLViewerTexture(BOOL usemipmaps) :
+	LLGLTexture(usemipmaps)
 {
 	init(true);
-	mUseMipMaps = usemipmaps ;
 
 	mID.generate();
 	sImageCount++;
 }
 
-LLViewerTexture::LLViewerTexture(const LLUUID& id, BOOL usemipmaps)
-	: mID(id)
+LLViewerTexture::LLViewerTexture(const LLUUID& id, BOOL usemipmaps) :
+	LLGLTexture(usemipmaps),
+	mID(id)
 {
 	init(true);
-	mUseMipMaps = usemipmaps ;
 	
 	sImageCount++;
 }
 
-LLViewerTexture::LLViewerTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps) 
+LLViewerTexture::LLViewerTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps)  :
+	LLGLTexture(width, height, components, usemipmaps)
 {
 	init(true);
 
-	mFullWidth = width ;
-	mFullHeight = height ;
-	mUseMipMaps = usemipmaps ;
-	mComponents = components ;
-	setTexelsPerImage();
-
 	mID.generate();
 	sImageCount++;
 }
 
-LLViewerTexture::LLViewerTexture(const LLImageRaw* raw, BOOL usemipmaps)	
+LLViewerTexture::LLViewerTexture(const LLImageRaw* raw, BOOL usemipmaps) :
+	LLGLTexture(raw, usemipmaps)
 {
 	init(true);
-	mUseMipMaps = usemipmaps ;
-	mGLTexturep = new LLImageGL(raw, usemipmaps) ;
 	
-	// Create an empty image of the specified size and width
 	mID.generate();
 	sImageCount++;
 }
@@ -646,20 +620,10 @@ LLViewerTexture::~LLViewerTexture()
 	sImageCount--;
 }
 
+// virtual
 void LLViewerTexture::init(bool firstinit)
 {
-	mBoostLevel = LLViewerTexture::BOOST_NONE;
-
-	mFullWidth = 0;
-	mFullHeight = 0;
-	mTexelsPerImage = 0 ;
-	mUseMipMaps = FALSE ;
-	mComponents = 0 ;
-
-	mTextureState = NO_DELETE ;
-	mDontDiscard = FALSE;
 	mMaxVirtualSize = 0.f;
-	mNeedsGLTexture = FALSE ;
 	mMaxVirtualSizeResetInterval = 1;
 	mMaxVirtualSizeResetCounter = mMaxVirtualSizeResetInterval ;
 	mAdditionalDecodePriority = 0.f ;	
@@ -680,38 +644,18 @@ void LLViewerTexture::cleanup()
 {
 	mFaceList.clear() ;
 	mVolumeList.clear();
-	if(mGLTexturep)
-	{
-		mGLTexturep->cleanup();
-	}
 }
 
 // virtual
 void LLViewerTexture::dump()
 {
-	if(mGLTexturep)
-	{
-		mGLTexturep->dump();
-	}
+	LLGLTexture::dump();
 
 	llinfos << "LLViewerTexture"
 			<< " mID " << mID
 			<< llendl;
 }
 
-void LLViewerTexture::setBoostLevel(S32 level)
-{
-	if(mBoostLevel != level)
-	{
-		mBoostLevel = level ;
-		if(mBoostLevel != LLViewerTexture::BOOST_NONE)
-		{
-			setNoDelete() ;		
-		}
-	}
-}
-
-
 bool LLViewerTexture::bindDefaultImage(S32 stage) 
 {
 	if (stage < 0) return false;
@@ -904,294 +848,18 @@ void LLViewerTexture::reorganizeVolumeList()
 	mVolumeList.erase(mVolumeList.begin() + mNumVolumes, mVolumeList.end());
 }
 
-
-
 //virtual
 void LLViewerTexture::switchToCachedImage()
 {
 	//nothing here.
 }
 
-void LLViewerTexture::forceActive()
-{
-	mTextureState = ACTIVE ; 
-}
-
-void LLViewerTexture::setActive() 
-{ 
-	if(mTextureState != NO_DELETE)
-	{
-		mTextureState = ACTIVE ; 
-	}
-}
-
-//set the texture to stay in memory
-void LLViewerTexture::setNoDelete() 
-{ 
-	mTextureState = NO_DELETE ;
-}
-
-void LLViewerTexture::generateGLTexture() 
-{	
-	if(mGLTexturep.isNull())
-	{
-		mGLTexturep = new LLImageGL(mFullWidth, mFullHeight, mComponents, mUseMipMaps) ;
-	}
-}
-
-LLImageGL* LLViewerTexture::getGLTexture() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep ;
-}
-
-BOOL LLViewerTexture::createGLTexture() 
-{
-	if(mGLTexturep.isNull())
-	{
-		generateGLTexture() ;
-	}
-
-	return mGLTexturep->createGLTexture() ;
-}
-
-BOOL LLViewerTexture::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename, BOOL to_create, S32 category)
-{
-	llassert(mGLTexturep.notNull()) ;	
-
-	BOOL ret = mGLTexturep->createGLTexture(discard_level, imageraw, usename, to_create, category) ;
-
-	if(ret)
-	{
-		mFullWidth = mGLTexturep->getCurrentWidth() ;
-		mFullHeight = mGLTexturep->getCurrentHeight() ; 
-		mComponents = mGLTexturep->getComponents() ;	
-		setTexelsPerImage();
-	}
-
-	return ret ;
-}
-
 //virtual
 void LLViewerTexture::setCachedRawImage(S32 discard_level, LLImageRaw* imageraw)
 {
 	//nothing here.
 }
 
-void LLViewerTexture::setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format, BOOL swap_bytes)
-{
-	llassert(mGLTexturep.notNull()) ;
-	
-	mGLTexturep->setExplicitFormat(internal_format, primary_format, type_format, swap_bytes) ;
-}
-void LLViewerTexture::setAddressMode(LLTexUnit::eTextureAddressMode mode)
-{
-	llassert(mGLTexturep.notNull()) ;
-	mGLTexturep->setAddressMode(mode) ;
-}
-void LLViewerTexture::setFilteringOption(LLTexUnit::eTextureFilterOptions option)
-{
-	llassert(mGLTexturep.notNull()) ;
-	mGLTexturep->setFilteringOption(option) ;
-}
-
-//virtual
-S32	LLViewerTexture::getWidth(S32 discard_level) const
-{
-	llassert(mGLTexturep.notNull()) ;
-	return mGLTexturep->getWidth(discard_level) ;
-}
-
-//virtual
-S32	LLViewerTexture::getHeight(S32 discard_level) const
-{
-	llassert(mGLTexturep.notNull()) ;
-	return mGLTexturep->getHeight(discard_level) ;
-}
-
-S32 LLViewerTexture::getMaxDiscardLevel() const
-{
-	llassert(mGLTexturep.notNull()) ;
-	return mGLTexturep->getMaxDiscardLevel() ;
-}
-S32 LLViewerTexture::getDiscardLevel() const
-{
-	llassert(mGLTexturep.notNull()) ;
-	return mGLTexturep->getDiscardLevel() ;
-}
-S8  LLViewerTexture::getComponents() const 
-{ 
-	llassert(mGLTexturep.notNull()) ;
-	
-	return mGLTexturep->getComponents() ;
-}
-
-LLGLuint LLViewerTexture::getTexName() const 
-{ 
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getTexName() ; 
-}
-
-BOOL LLViewerTexture::hasGLTexture() const 
-{
-	if(mGLTexturep.notNull())
-	{
-		return mGLTexturep->getHasGLTexture() ;
-	}
-	return FALSE ;
-}
-
-BOOL LLViewerTexture::getBoundRecently() const
-{
-	if(mGLTexturep.notNull())
-	{
-		return mGLTexturep->getBoundRecently() ;
-	}
-	return FALSE ;
-}
-
-LLTexUnit::eTextureType LLViewerTexture::getTarget(void) const
-{
-	llassert(mGLTexturep.notNull()) ;
-	return mGLTexturep->getTarget() ;
-}
-
-BOOL LLViewerTexture::setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height)
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->setSubImage(imageraw, x_pos, y_pos, width, height) ;
-}
-
-BOOL LLViewerTexture::setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height)
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->setSubImage(datap, data_width, data_height, x_pos, y_pos, width, height) ;
-}
-
-void LLViewerTexture::setGLTextureCreated (bool initialized)
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	mGLTexturep->setGLTextureCreated (initialized) ;
-}
-
-void  LLViewerTexture::setCategory(S32 category) 
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	mGLTexturep->setCategory(category) ;
-}
-
-LLTexUnit::eTextureAddressMode LLViewerTexture::getAddressMode(void) const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getAddressMode() ;
-}
-
-S32 LLViewerTexture::getTextureMemory() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->mTextureMemory ;
-}
-
-LLGLenum LLViewerTexture::getPrimaryFormat() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getPrimaryFormat() ;
-}
-
-BOOL LLViewerTexture::getIsAlphaMask() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getIsAlphaMask() ;
-}
-
-BOOL LLViewerTexture::getMask(const LLVector2 &tc)
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getMask(tc) ;
-}
-
-F32 LLViewerTexture::getTimePassedSinceLastBound()
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getTimePassedSinceLastBound() ;
-}
-BOOL LLViewerTexture::getMissed() const 
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getMissed() ;
-}
-
-BOOL LLViewerTexture::isJustBound() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->isJustBound() ;
-}
-
-void LLViewerTexture::forceUpdateBindStats(void) const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->forceUpdateBindStats() ;
-}
-
-U32 LLViewerTexture::getTexelsInAtlas() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getTexelsInAtlas() ;
-}
-
-U32 LLViewerTexture::getTexelsInGLTexture() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getTexelsInGLTexture() ;
-}
-
-BOOL LLViewerTexture::isGLTextureCreated() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->isGLTextureCreated() ;
-}
-
-S32  LLViewerTexture::getDiscardLevelInAtlas() const
-{
-	llassert(mGLTexturep.notNull()) ;
-
-	return mGLTexturep->getDiscardLevelInAtlas() ;
-}
-
-void LLViewerTexture::destroyGLTexture() 
-{
-	if(mGLTexturep.notNull() && mGLTexturep->getHasGLTexture())
-	{
-		mGLTexturep->destroyGLTexture() ;
-		mTextureState = DELETED ;	
-	}	
-}
-
-void LLViewerTexture::setTexelsPerImage()
-{
-	S32 fullwidth = llmin(mFullWidth,(S32)MAX_IMAGE_SIZE_DEFAULT);
-	S32 fullheight = llmin(mFullHeight,(S32)MAX_IMAGE_SIZE_DEFAULT);
-	mTexelsPerImage = (F32)fullwidth * fullheight;
-}
-
 BOOL LLViewerTexture::isLargeImage()
 {
 	return  (S32)mTexelsPerImage > LLViewerTexture::sMinLargeImageSize ;
@@ -1775,7 +1443,7 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 		// Don't decode anything we don't need
 		priority = -4.0f;
 	}
-	else if ((mBoostLevel == LLViewerTexture::BOOST_UI || mBoostLevel == LLViewerTexture::BOOST_ICON) && !have_all_data)
+	else if ((mBoostLevel == LLGLTexture::BOOST_UI || mBoostLevel == LLGLTexture::BOOST_ICON) && !have_all_data)
 	{
 		priority = 1.f;
 	}
@@ -2161,7 +1829,7 @@ bool LLViewerFetchedTexture::updateFetch()
 		// Load the texture progressively: we try not to rush to the desired discard too fast.
 		// If the camera is not moving, we do not tweak the discard level notch by notch but go to the desired discard with larger boosted steps
 		// This mitigates the "textures stay blurry" problem when loading while not killing the texture memory while moving around
-		S32 delta_level = (mBoostLevel > LLViewerTexture::BOOST_NONE) ? 2 : 1 ; 
+		S32 delta_level = (mBoostLevel > LLGLTexture::BOOST_NONE) ? 2 : 1 ; 
 		if (current_discard < 0)
 		{
 			desired_discard = llmax(desired_discard, getMaxDiscardLevel() - delta_level);
@@ -2412,7 +2080,7 @@ void LLViewerFetchedTexture::deleteCallbackEntry(const LLLoadedCallbackEntry::so
 			destroySavedRawImage() ;
 		}
 	}
-	else if(needsToSaveRawImage() && mBoostLevel != LLViewerTexture::BOOST_PREVIEW)
+	else if(needsToSaveRawImage() && mBoostLevel != LLGLTexture::BOOST_PREVIEW)
 	{
 		if(desired_raw_discard != INVALID_DISCARD_LEVEL)
 		{
@@ -2870,7 +2538,7 @@ void LLViewerFetchedTexture::setCachedRawImage()
 		S32 h = mRawImage->getHeight() ;
 
 		S32 max_size = MAX_CACHED_RAW_IMAGE_AREA ;
-		if(LLViewerTexture::BOOST_TERRAIN == mBoostLevel)
+		if(LLGLTexture::BOOST_TERRAIN == mBoostLevel)
 		{
 			max_size = MAX_CACHED_RAW_TERRAIN_IMAGE_AREA ;
 		}		
@@ -3243,7 +2911,7 @@ void LLViewerLODTexture::processTextureStats()
 		if (mFullWidth > MAX_IMAGE_SIZE_DEFAULT || mFullHeight > MAX_IMAGE_SIZE_DEFAULT)
 			mDesiredDiscardLevel = 1; // MAX_IMAGE_SIZE_DEFAULT = 1024 and max size ever is 2048
 	}
-	else if (mBoostLevel < LLViewerTexture::BOOST_HIGH && mMaxVirtualSize <= 10.f)
+	else if (mBoostLevel < LLGLTexture::BOOST_HIGH && mMaxVirtualSize <= 10.f)
 	{
 		// If the image has not been significantly visible in a while, we don't want it
 		mDesiredDiscardLevel = llmin(mMinDesiredDiscardLevel, (S8)(MAX_DISCARD_LEVEL + 1));
@@ -3293,7 +2961,7 @@ void LLViewerLODTexture::processTextureStats()
 				mCalculatedDiscardLevel = discard_level;
 			}
 		}
-		if (mBoostLevel < LLViewerTexture::BOOST_SCULPTED)
+		if (mBoostLevel < LLGLTexture::BOOST_SCULPTED)
 		{
 			discard_level += sDesiredDiscardBias;
 			discard_level *= sDesiredDiscardScale; // scale
@@ -3319,7 +2987,7 @@ void LLViewerLODTexture::processTextureStats()
 		//
 
 		S32 current_discard = getDiscardLevel();
-		if (sDesiredDiscardBias > 0.0f && mBoostLevel < LLViewerTexture::BOOST_SCULPTED && current_discard >= 0)
+		if (sDesiredDiscardBias > 0.0f && mBoostLevel < LLGLTexture::BOOST_SCULPTED && current_discard >= 0)
 		{
 			if(desired_discard_bias_max <= sDesiredDiscardBias && !mForceToSaveRawImage)
 			{
@@ -3462,7 +3130,7 @@ LLViewerMediaTexture::LLViewerMediaTexture(const LLUUID& id, BOOL usemipmaps, LL
 
 	setMediaImpl() ;
 
-	setCategory(LLViewerTexture::MEDIA) ;
+	setCategory(LLGLTexture::MEDIA) ;
 	
 	LLViewerTexture* tex = gTextureList.findImage(mID) ;
 	if(tex) //this media is a parcel media for tex.
diff --git a/indra/newview/llviewertexture.h b/indra/newview/llviewertexture.h
index 4b92a2bf8a..d180d7fa99 100755
--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@@ -27,7 +27,7 @@
 #ifndef LL_LLVIEWERTEXTURE_H					
 #define LL_LLVIEWERTEXTURE_H
 
-#include "lltexture.h"
+#include "llgltexture.h"
 #include "lltimer.h"
 #include "llframetimer.h"
 #include "llhost.h"
@@ -88,16 +88,11 @@ public:
 
 class LLTextureBar;
 
-class LLViewerTexture : public LLTexture
+class LLViewerTexture : public LLGLTexture
 {
 public:
 	enum
 	{
-		MAX_IMAGE_SIZE_DEFAULT = 1024,
-		INVALID_DISCARD_LEVEL = 0x7fff
-	};
-	enum
-	{
 		LOCAL_TEXTURE,		
 		MEDIA_TEXTURE,
 		DYNAMIC_TEXTURE,
@@ -107,10 +102,6 @@ public:
 		INVALID_TEXTURE_TYPE
 	};
 
-	static S32 getTotalNumOfCategories() ;
-	static S32 getIndexFromCategory(S32 category) ;
-	static S32 getCategoryFromIndex(S32 index) ;
-
 	typedef std::vector<LLFace*> ll_face_list_t;
 	typedef std::vector<LLVOVolume*> ll_volume_list_t;
 
@@ -137,9 +128,6 @@ public:
 	
 	/*virtual*/ const LLUUID& getID() const { return mID; }
 	
-	void setBoostLevel(S32 level);
-	S32  getBoostLevel() { return mBoostLevel; }
-
 	void addTextureStats(F32 virtual_size, BOOL needs_gltexture = TRUE) const;
 	void resetTextureStats();	
 	void setMaxVirtualSizeResetInterval(S32 interval)const {mMaxVirtualSizeResetInterval = interval;}
@@ -149,8 +137,6 @@ public:
 
 	LLFrameTimer* getLastReferencedTimer() {return &mLastReferencedTimer ;}
 	
-	S32 getFullWidth() const { return mFullWidth; }
-	S32 getFullHeight() const { return mFullHeight; }	
 	/*virtual*/ void setKnownDrawSize(S32 width, S32 height);
 
 	virtual void addFace(LLFace* facep) ;
@@ -163,60 +149,8 @@ public:
 	S32 getNumVolumes() const;
 	const ll_volume_list_t* getVolumeList() const { return &mVolumeList; }
 
-	void generateGLTexture() ;
-	void destroyGLTexture() ;
-	
-	//---------------------------------------------------------------------------------------------
-	//functions to access LLImageGL
-	//---------------------------------------------------------------------------------------------
-	/*virtual*/S32	       getWidth(S32 discard_level = -1) const;
-	/*virtual*/S32	       getHeight(S32 discard_level = -1) const;
 	
-	/*virtual*/BOOL       hasGLTexture() const ;
-	LLGLuint   getTexName() const ;		
-	BOOL       createGLTexture() ;
-	/*virtual*/ BOOL       createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename = 0, BOOL to_create = TRUE, S32 category = LLTexture::OTHER);
 	virtual void setCachedRawImage(S32 discard_level, LLImageRaw* imageraw) ;
-
-	void       setFilteringOption(LLTexUnit::eTextureFilterOptions option);
-	/*virtual*/ void setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format = 0, BOOL swap_bytes = FALSE);
-	/*virtual*/ void setAddressMode(LLTexUnit::eTextureAddressMode mode);
-	BOOL       setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height);
-	BOOL       setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height);
-	void       setGLTextureCreated (bool initialized);
-	void       setCategory(S32 category) ;
-
-	/*virtual*/ LLTexUnit::eTextureAddressMode getAddressMode(void) const ;
-	S32        getMaxDiscardLevel() const;
-	S32        getDiscardLevel() const;
-	/*virtual*/ S8 getComponents() const;
-	BOOL       getBoundRecently() const;
-	S32        getTextureMemory() const ;
-	LLGLenum   getPrimaryFormat() const;
-	BOOL       getIsAlphaMask() const ;
-	LLTexUnit::eTextureType getTarget(void) const ;
-	BOOL       getMask(const LLVector2 &tc);
-	F32        getTimePassedSinceLastBound();
-	BOOL       getMissed() const ;
-	BOOL       isJustBound()const ;
-	void       forceUpdateBindStats(void) const;
-
-	U32        getTexelsInAtlas() const ;
-	U32        getTexelsInGLTexture() const ;
-	BOOL       isGLTextureCreated() const ;
-	S32        getDiscardLevelInAtlas() const ;
-	//---------------------------------------------------------------------------------------------
-	//end of functions to access LLImageGL
-	//---------------------------------------------------------------------------------------------
-
-	//-----------------
-	/*virtual*/ void setActive() ;
-	void forceActive() ;
-	void setNoDelete() ;
-	void dontDiscard() { mDontDiscard = 1; mTextureState = NO_DELETE; }
-	BOOL getDontDiscard() const { return mDontDiscard; }
-	//-----------------	
-	
 	BOOL isLargeImage() ;	
 	
 	void setParcelMedia(LLViewerMediaTexture* media) {mParcelMedia = media;}
@@ -229,35 +163,21 @@ protected:
 	void init(bool firstinit) ;	
 	void reorganizeFaceList() ;
 	void reorganizeVolumeList() ;
-	void setTexelsPerImage();
 private:
 	friend class LLBumpImageList;
 	friend class LLUIImageList;
 
-	//note: do not make this function public.
-	/*virtual*/ LLImageGL* getGLTexture() const ;
 	virtual void switchToCachedImage();
 	
 	static bool isMemoryForTextureLow() ;
 protected:
 	LLUUID mID;
-	S32 mBoostLevel;				// enum describing priority level
-	S32 mFullWidth;
-	S32 mFullHeight;
-	BOOL  mUseMipMaps ;
-	S8  mComponents;
-	F32 mTexelsPerImage;			// Texels per image.
-	mutable S8  mNeedsGLTexture;
 	mutable F32 mMaxVirtualSize;	// The largest virtual size of the image, in pixels - how much data to we need?	
 	mutable S32  mMaxVirtualSizeResetCounter ;
 	mutable S32  mMaxVirtualSizeResetInterval;
 	mutable F32 mAdditionalDecodePriority;  // priority add to mDecodePriority.
 	LLFrameTimer mLastReferencedTimer;	
 
-	//GL texture
-	LLPointer<LLImageGL> mGLTexturep ;
-	S8 mDontDiscard;			// Keep full res version of this image (for UI, etc)
-
 	ll_face_list_t    mFaceList ; //reverse pointer pointing to the faces using this image as texture
 	U32               mNumFaces ;
 	LLFrameTimer      mLastFaceListUpdateTimer ;
@@ -269,17 +189,6 @@ protected:
 	//do not use LLPointer here.
 	LLViewerMediaTexture* mParcelMedia ;
 
-protected:
-	typedef enum 
-	{
-		DELETED = 0,         //removed from memory
-		DELETION_CANDIDATE,  //ready to be removed from memory
-		INACTIVE,            //not be used for the last certain period (i.e., 30 seconds).
-		ACTIVE,              //just being used, can become inactive if not being used for a certain time (10 seconds).
-		NO_DELETE = 99       //stay in memory, can not be removed.
-	} LLGLTextureState;
-	LLGLTextureState  mTextureState ;
-
 	static F32 sTexelPixelRatio;
 public:
 	static const U32 sCurrentFileVersion;	
@@ -475,7 +384,7 @@ protected:
 	S32 getCurrentDiscardLevelForFetching() ;
 
 private:
-	void init(bool firstinit) ;
+	void init(bool firstinit) ;	
 	void cleanup() ;
 
 	void saveRawImage() ;
@@ -698,7 +607,7 @@ public:
 
 	static LLViewerFetchedTexture* getFetchedTexture(const LLUUID &image_id,									 
 									 BOOL usemipmap = TRUE,
-									 LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
+									 LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
 									 S8 texture_type = LLViewerTexture::FETCHED_TEXTURE,
 									 LLGLint internal_format = 0,
 									 LLGLenum primary_format = 0,
@@ -707,7 +616,7 @@ public:
 	
 	static LLViewerFetchedTexture* getFetchedTextureFromFile(const std::string& filename,									 
 									 BOOL usemipmap = TRUE,
-									 LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_NONE,
+									 LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_NONE,
 									 S8 texture_type = LLViewerTexture::FETCHED_TEXTURE,
 									 LLGLint internal_format = 0,
 									 LLGLenum primary_format = 0,
@@ -716,7 +625,7 @@ public:
 
 	static LLViewerFetchedTexture* getFetchedTextureFromUrl(const std::string& url,									 
 									 BOOL usemipmap = TRUE,
-									 LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_NONE,
+									 LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_NONE,
 									 S8 texture_type = LLViewerTexture::FETCHED_TEXTURE,
 									 LLGLint internal_format = 0,
 									 LLGLenum primary_format = 0,
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index e4669cde34..b89247ec6f 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -198,7 +198,7 @@ void LLViewerTextureList::doPrefetchImages()
 
 		if(LLViewerTexture::FETCHED_TEXTURE == texture_type || LLViewerTexture::LOD_TEXTURE == texture_type)
 		{
-			LLViewerFetchedTexture* image = LLViewerTextureManager::getFetchedTexture(uuid, MIPMAP_TRUE, LLViewerTexture::BOOST_NONE, texture_type);
+			LLViewerFetchedTexture* image = LLViewerTextureManager::getFetchedTexture(uuid, MIPMAP_TRUE, LLGLTexture::BOOST_NONE, texture_type);
 			if (image)
 			{
 				image->addTextureStats((F32)pixel_area);
@@ -339,7 +339,7 @@ LLViewerFetchedTexture* LLViewerTextureList::getImageFromFile(const std::string&
 	if (full_path.empty())
 	{
 		llwarns << "Failed to find local image file: " << filename << llendl;
-		return LLViewerTextureManager::getFetchedTexture(IMG_DEFAULT, TRUE, LLViewerTexture::BOOST_UI);
+		return LLViewerTextureManager::getFetchedTexture(IMG_DEFAULT, TRUE, LLGLTexture::BOOST_UI);
 	}
 
 	std::string url = "file://" + full_path;
@@ -430,7 +430,7 @@ LLViewerFetchedTexture* LLViewerTextureList::getImage(const LLUUID &image_id,
 	
 	if ((&image_id == NULL) || image_id.isNull())
 	{
-		return (LLViewerTextureManager::getFetchedTexture(IMG_DEFAULT, TRUE, LLViewerTexture::BOOST_UI));
+		return (LLViewerTextureManager::getFetchedTexture(IMG_DEFAULT, TRUE, LLGLTexture::BOOST_UI));
 	}
 	
 	LLPointer<LLViewerFetchedTexture> imagep = findImage(image_id);
@@ -1361,7 +1361,7 @@ void LLViewerTextureList::receiveImageHeader(LLMessageSystem *msg, void **user_d
 	U8 *data = new U8[data_size];
 	msg->getBinaryDataFast(_PREHASH_ImageData, _PREHASH_Data, data, data_size);
 	
-	LLViewerFetchedTexture *image = LLViewerTextureManager::getFetchedTexture(id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+	LLViewerFetchedTexture *image = LLViewerTextureManager::getFetchedTexture(id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
 	if (!image)
 	{
 		delete [] data;
@@ -1434,7 +1434,7 @@ void LLViewerTextureList::receiveImagePacket(LLMessageSystem *msg, void **user_d
 	U8 *data = new U8[data_size];
 	msg->getBinaryDataFast(_PREHASH_ImageData, _PREHASH_Data, data, data_size);
 	
-	LLViewerFetchedTexture *image = LLViewerTextureManager::getFetchedTexture(id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+	LLViewerFetchedTexture *image = LLViewerTextureManager::getFetchedTexture(id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
 	if (!image)
 	{
 		delete [] data;
@@ -1534,9 +1534,9 @@ LLUIImagePtr LLUIImageList::getUIImage(const std::string& image_name, S32 priori
 LLUIImagePtr LLUIImageList::loadUIImageByName(const std::string& name, const std::string& filename,
 											  BOOL use_mips, const LLRect& scale_rect, const LLRect& clip_rect, LLViewerTexture::EBoostLevel boost_priority )
 {
-	if (boost_priority == LLViewerTexture::BOOST_NONE)
+	if (boost_priority == LLGLTexture::BOOST_NONE)
 	{
-		boost_priority = LLViewerTexture::BOOST_UI;
+		boost_priority = LLGLTexture::BOOST_UI;
 	}
 	LLViewerFetchedTexture* imagep = LLViewerTextureManager::getFetchedTextureFromFile(filename, MIPMAP_NO, boost_priority);
 	return loadUIImage(imagep, name, use_mips, scale_rect, clip_rect);
@@ -1545,9 +1545,9 @@ LLUIImagePtr LLUIImageList::loadUIImageByName(const std::string& name, const std
 LLUIImagePtr LLUIImageList::loadUIImageByID(const LLUUID& id,
 											BOOL use_mips, const LLRect& scale_rect, const LLRect& clip_rect, LLViewerTexture::EBoostLevel boost_priority)
 {
-	if (boost_priority == LLViewerTexture::BOOST_NONE)
+	if (boost_priority == LLGLTexture::BOOST_NONE)
 	{
-		boost_priority = LLViewerTexture::BOOST_UI;
+		boost_priority = LLGLTexture::BOOST_UI;
 	}
 	LLViewerFetchedTexture* imagep = LLViewerTextureManager::getFetchedTexture(id, MIPMAP_NO, boost_priority);
 	return loadUIImage(imagep, id.asString(), use_mips, scale_rect, clip_rect);
@@ -1572,7 +1572,7 @@ LLUIImagePtr LLUIImageList::loadUIImage(LLViewerFetchedTexture* imagep, const st
 	//Note:
 	//Some other textures such as ICON also through this flow to be fetched.
 	//But only UI textures need to set this callback.
-	if(imagep->getBoostLevel() == LLViewerTexture::BOOST_UI)
+	if(imagep->getBoostLevel() == LLGLTexture::BOOST_UI)
 	{
 		LLUIImageLoadData* datap = new LLUIImageLoadData;
 		datap->mImageName = name;
diff --git a/indra/newview/llviewertexturelist.h b/indra/newview/llviewertexturelist.h
index 3dda973d3f..05c7c35f7c 100644
--- a/indra/newview/llviewertexturelist.h
+++ b/indra/newview/llviewertexturelist.h
@@ -131,7 +131,7 @@ private:
 
 	LLViewerFetchedTexture * getImage(const LLUUID &image_id,									 
 									 BOOL usemipmap = TRUE,
-									 LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
+									 LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
 									 S8 texture_type = LLViewerTexture::FETCHED_TEXTURE,
 									 LLGLint internal_format = 0,
 									 LLGLenum primary_format = 0,
@@ -140,7 +140,7 @@ private:
 	
 	LLViewerFetchedTexture * getImageFromFile(const std::string& filename,									 
 									 BOOL usemipmap = TRUE,
-									 LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
+									 LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
 									 S8 texture_type = LLViewerTexture::FETCHED_TEXTURE,
 									 LLGLint internal_format = 0,
 									 LLGLenum primary_format = 0,
@@ -149,7 +149,7 @@ private:
 	
 	LLViewerFetchedTexture* getImageFromUrl(const std::string& url,
 									 BOOL usemipmap = TRUE,
-									 LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
+									 LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
 									 S8 texture_type = LLViewerTexture::FETCHED_TEXTURE,
 									 LLGLint internal_format = 0,
 									 LLGLenum primary_format = 0,
@@ -158,7 +158,7 @@ private:
 
 	LLViewerFetchedTexture* createImage(const LLUUID &image_id,
 									 BOOL usemipmap = TRUE,
-									 LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
+									 LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_NONE,		// Get the requested level immediately upon creation.
 									 S8 texture_type = LLViewerTexture::FETCHED_TEXTURE,
 									 LLGLint internal_format = 0,
 									 LLGLenum primary_format = 0,
@@ -168,7 +168,7 @@ private:
 	// Request image from a specific host, used for baked avatar textures.
 	// Implemented in header in case someone changes default params above. JC
 	LLViewerFetchedTexture* getImageFromHost(const LLUUID& image_id, LLHost host)
-	{ return getImage(image_id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE, 0, 0, host); }	
+	{ return getImage(image_id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE, 0, 0, host); }	
 
 public:
 	typedef std::set<LLPointer<LLViewerFetchedTexture> > image_list_t;	
@@ -233,11 +233,11 @@ private:
 	LLPointer<LLUIImage> loadUIImageByName(const std::string& name, const std::string& filename,
 		                           BOOL use_mips = FALSE, const LLRect& scale_rect = LLRect::null, 
 								   const LLRect& clip_rect = LLRect::null,
-		                           LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_UI);
+		                           LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_UI);
 	LLPointer<LLUIImage> loadUIImageByID(const LLUUID& id,
 								 BOOL use_mips = FALSE, const LLRect& scale_rect = LLRect::null, 
 								 const LLRect& clip_rect = LLRect::null,
-								 LLViewerTexture::EBoostLevel boost_priority = LLViewerTexture::BOOST_UI);
+								 LLViewerTexture::EBoostLevel boost_priority = LLGLTexture::BOOST_UI);
 
 	LLPointer<LLUIImage> loadUIImage(LLViewerFetchedTexture* imagep, const std::string& name, BOOL use_mips = FALSE, const LLRect& scale_rect = LLRect::null, const LLRect& clip_rect = LLRect::null);
 
diff --git a/indra/newview/llviewerwearable.cpp b/indra/newview/llviewerwearable.cpp
index 0cd3ded371..34f24ef330 100644
--- a/indra/newview/llviewerwearable.cpp
+++ b/indra/newview/llviewerwearable.cpp
@@ -401,7 +401,7 @@ void LLViewerWearable::writeToAvatar()
 			{	
 				image_id = getDefaultTextureImageID((ETextureIndex) te);
 			}
-			LLViewerTexture* image = LLViewerTextureManager::getFetchedTexture( image_id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE );
+			LLViewerTexture* image = LLViewerTextureManager::getFetchedTexture( image_id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE );
 			// MULTI-WEARABLE: assume index 0 will be used when writing to avatar. TODO: eliminate the need for this.
 			gAgentAvatarp->setLocalTextureTE(te, image, 0);
 		}
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 4aabbd6bb6..d5ca01931f 100755
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -729,7 +729,7 @@ public:
 		if(log_texture_traffic)
 		{	
 			U32 old_y = ypos ;
-			for(S32 i = LLViewerTexture::BOOST_NONE; i < LLViewerTexture::MAX_GL_IMAGE_CATEGORY; i++)
+			for(S32 i = LLGLTexture::BOOST_NONE; i < LLGLTexture::MAX_GL_IMAGE_CATEGORY; i++)
 			{
 				if(gTotalTextureBytesPerBoostLevel[i] > 0)
 				{
@@ -1678,7 +1678,7 @@ LLViewerWindow::LLViewerWindow(const Params& p)
 		
 	// Init the image list.  Must happen after GL is initialized and before the images that
 	// LLViewerWindow needs are requested.
-	LLImageGL::initClass(LLViewerTexture::MAX_GL_IMAGE_CATEGORY) ;
+	LLImageGL::initClass(LLGLTexture::MAX_GL_IMAGE_CATEGORY) ;
 	gTextureList.init();
 	LLViewerTextureManager::init() ;
 	gBumpImageList.init();
diff --git a/indra/newview/llvlcomposition.cpp b/indra/newview/llvlcomposition.cpp
index ec932501e5..e90a2470d4 100644
--- a/indra/newview/llvlcomposition.cpp
+++ b/indra/newview/llvlcomposition.cpp
@@ -223,7 +223,7 @@ BOOL LLVLComposition::generateComposition()
 	{
 		if (mDetailTextures[i]->getDiscardLevel() < 0)
 		{
-			mDetailTextures[i]->setBoostLevel(LLViewerTexture::BOOST_TERRAIN); // in case we are at low detail
+			mDetailTextures[i]->setBoostLevel(LLGLTexture::BOOST_TERRAIN); // in case we are at low detail
 			mDetailTextures[i]->addTextureStats(BASE_SIZE*BASE_SIZE);
 			return FALSE;
 		}
@@ -240,7 +240,7 @@ BOOL LLVLComposition::generateComposition()
 				ddiscard++;
 				min_dim /= 2;
 			}
-			mDetailTextures[i]->setBoostLevel(LLViewerTexture::BOOST_TERRAIN); // in case we are at low detail
+			mDetailTextures[i]->setBoostLevel(LLGLTexture::BOOST_TERRAIN); // in case we are at low detail
 			mDetailTextures[i]->setMinDiscardLevel(ddiscard);
 			return FALSE;
 		}
@@ -463,7 +463,7 @@ BOOL LLVLComposition::generateTexture(const F32 x, const F32 y,
 	for (S32 i = 0; i < 4; i++)
 	{
 		// Un-boost detatil textures (will get re-boosted if rendering in high detail)
-		mDetailTextures[i]->setBoostLevel(LLViewerTexture::BOOST_NONE);
+		mDetailTextures[i]->setBoostLevel(LLGLTexture::BOOST_NONE);
 		mDetailTextures[i]->setMinDiscardLevel(MAX_DISCARD_LEVEL + 1);
 	}
 	
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 4e17884e0e..b86c5d5e8f 100755
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -4698,7 +4698,7 @@ void LLVOAvatar::addBakedTextureStats( LLViewerFetchedTexture* imagep, F32 pixel
 	imagep->addTextureStats(pixel_area / texel_area_ratio);
 	imagep->setBoostLevel(boost_level);
 	
-	if(boost_level != LLViewerTexture::BOOST_AVATAR_BAKED_SELF)
+	if(boost_level != LLGLTexture::BOOST_AVATAR_BAKED_SELF)
 	{
 		imagep->setAdditionalDecodePriority(ADDITIONAL_PRI) ;
 	}
@@ -6748,7 +6748,7 @@ void LLVOAvatar::updateMeshTextures()
 			const std::string url = getImageURL(i, mBakedTextureDatas[i].mLastTextureIndex);
 			if (!url.empty())
 			{
-				baked_img = LLViewerTextureManager::getFetchedTextureFromUrl(url, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE, 0, 0, mBakedTextureDatas[i].mLastTextureIndex);
+				baked_img = LLViewerTextureManager::getFetchedTextureFromUrl(url, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE, 0, 0, mBakedTextureDatas[i].mLastTextureIndex);
 			}
 			else
 			{
@@ -7289,7 +7289,7 @@ void LLVOAvatar::processAvatarAppearance( LLMessageSystem* mesgsys )
 			&& baked_index != BAKED_SKIRT)
 		{
 			setTEImage(mBakedTextureDatas[baked_index].mTextureIndex, 
-				LLViewerTextureManager::getFetchedTexture(mBakedTextureDatas[baked_index].mLastTextureIndex, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
+				LLViewerTextureManager::getFetchedTexture(mBakedTextureDatas[baked_index].mLastTextureIndex, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
 		}
 	}
 
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index d54d06a6a7..b8999728b3 100755
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -563,8 +563,8 @@ private:
 	// Constants
 	//--------------------------------------------------------------------
 public:
-	virtual LLViewerTexture::EBoostLevel 	getAvatarBoostLevel() const { return LLViewerTexture::BOOST_AVATAR; }
-	virtual LLViewerTexture::EBoostLevel 	getAvatarBakedBoostLevel() const { return LLViewerTexture::BOOST_AVATAR_BAKED; }
+	virtual LLViewerTexture::EBoostLevel 	getAvatarBoostLevel() const { return LLGLTexture::BOOST_AVATAR; }
+	virtual LLViewerTexture::EBoostLevel 	getAvatarBakedBoostLevel() const { return LLGLTexture::BOOST_AVATAR_BAKED; }
 	virtual S32 						getTexImageSize() const;
 	virtual S32 						getTexImageArea() const { return getTexImageSize()*getTexImageSize(); }
 
diff --git a/indra/newview/llvoavatarself.h b/indra/newview/llvoavatarself.h
index d4bde1f61f..12886d2d36 100755
--- a/indra/newview/llvoavatarself.h
+++ b/indra/newview/llvoavatarself.h
@@ -177,8 +177,8 @@ private:
 	// LLVOAvatar Constants
 	//--------------------------------------------------------------------
 public:
-	/*virtual*/ LLViewerTexture::EBoostLevel 	getAvatarBoostLevel() const { return LLViewerTexture::BOOST_AVATAR_SELF; }
-	/*virtual*/ LLViewerTexture::EBoostLevel 	getAvatarBakedBoostLevel() const { return LLViewerTexture::BOOST_AVATAR_BAKED_SELF; }
+	/*virtual*/ LLViewerTexture::EBoostLevel 	getAvatarBoostLevel() const { return LLGLTexture::BOOST_AVATAR_SELF; }
+	/*virtual*/ LLViewerTexture::EBoostLevel 	getAvatarBakedBoostLevel() const { return LLGLTexture::BOOST_AVATAR_BAKED_SELF; }
 	/*virtual*/ S32 						getTexImageSize() const { return LLVOAvatar::getTexImageSize()*4; }
 
 /**                    Rendering
diff --git a/indra/newview/llvograss.cpp b/indra/newview/llvograss.cpp
index 566c33c0af..479e871e94 100644
--- a/indra/newview/llvograss.cpp
+++ b/indra/newview/llvograss.cpp
@@ -102,7 +102,7 @@ void LLVOGrass::updateSpecies()
 		SpeciesMap::const_iterator it = sSpeciesTable.begin();
 		mSpecies = (*it).first;
 	}
-	setTEImage(0, LLViewerTextureManager::getFetchedTexture(sSpeciesTable[mSpecies]->mTextureID, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
+	setTEImage(0, LLViewerTextureManager::getFetchedTexture(sSpeciesTable[mSpecies]->mTextureID, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
 }
 
 
diff --git a/indra/newview/llvoicevisualizer.cpp b/indra/newview/llvoicevisualizer.cpp
index 47060720e7..315e618132 100644
--- a/indra/newview/llvoicevisualizer.cpp
+++ b/indra/newview/llvoicevisualizer.cpp
@@ -136,7 +136,7 @@ LLVoiceVisualizer::LLVoiceVisualizer( const U8 type )
 	for (int i=0; i<NUM_VOICE_SYMBOL_WAVES; i++)
 	{
 		mSoundSymbol.mWaveFadeOutStartTime	[i] = mCurrentTime;
-		mSoundSymbol.mTexture				[i] = LLViewerTextureManager::getFetchedTextureFromFile(sound_level_img[i], FALSE, LLViewerTexture::BOOST_UI);
+		mSoundSymbol.mTexture				[i] = LLViewerTextureManager::getFetchedTextureFromFile(sound_level_img[i], FALSE, LLGLTexture::BOOST_UI);
 		mSoundSymbol.mWaveActive			[i] = false;
 		mSoundSymbol.mWaveOpacity			[i] = 1.0f;
 		mSoundSymbol.mWaveExpansion			[i] = 1.0f;
diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp
index 31358df85f..bf09e6550d 100644
--- a/indra/newview/llvosky.cpp
+++ b/indra/newview/llvosky.cpp
@@ -298,7 +298,7 @@ void LLSkyTex::create(const F32 brightness)
 
 void LLSkyTex::createGLImage(S32 which)
 {	
-	mTexture[which]->createGLTexture(0, mImageRaw[which], 0, TRUE, LLViewerTexture::LOCAL);
+	mTexture[which]->createGLTexture(0, mImageRaw[which], 0, TRUE, LLGLTexture::LOCAL);
 	mTexture[which]->setAddressMode(LLTexUnit::TAM_CLAMP);
 }
 
@@ -384,9 +384,9 @@ LLVOSky::LLVOSky(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
 	mSun.setIntensity(SUN_INTENSITY);
 	mMoon.setIntensity(0.1f * SUN_INTENSITY);
 
-	mSunTexturep = LLViewerTextureManager::getFetchedTexture(gSunTextureID, TRUE, LLViewerTexture::BOOST_UI);
+	mSunTexturep = LLViewerTextureManager::getFetchedTexture(gSunTextureID, TRUE, LLGLTexture::BOOST_UI);
 	mSunTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
-	mMoonTexturep = LLViewerTextureManager::getFetchedTexture(gMoonTextureID, TRUE, LLViewerTexture::BOOST_UI);
+	mMoonTexturep = LLViewerTextureManager::getFetchedTexture(gMoonTextureID, TRUE, LLGLTexture::BOOST_UI);
 	mMoonTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
 	mBloomTexturep = LLViewerTextureManager::getFetchedTexture(IMG_BLOOM1);
 	mBloomTexturep->setNoDelete() ;
@@ -478,9 +478,9 @@ void LLVOSky::restoreGL()
 	{
 		mSkyTex[i].restoreGL();
 	}
-	mSunTexturep = LLViewerTextureManager::getFetchedTexture(gSunTextureID, TRUE, LLViewerTexture::BOOST_UI);
+	mSunTexturep = LLViewerTextureManager::getFetchedTexture(gSunTextureID, TRUE, LLGLTexture::BOOST_UI);
 	mSunTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
-	mMoonTexturep = LLViewerTextureManager::getFetchedTexture(gMoonTextureID, TRUE, LLViewerTexture::BOOST_UI);
+	mMoonTexturep = LLViewerTextureManager::getFetchedTexture(gMoonTextureID, TRUE, LLGLTexture::BOOST_UI);
 	mMoonTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
 	mBloomTexturep = LLViewerTextureManager::getFetchedTexture(IMG_BLOOM1);
 	mBloomTexturep->setNoDelete() ;
diff --git a/indra/newview/llvotree.cpp b/indra/newview/llvotree.cpp
index 6687ce432f..68bb40d727 100644
--- a/indra/newview/llvotree.cpp
+++ b/indra/newview/llvotree.cpp
@@ -316,7 +316,7 @@ U32 LLVOTree::processUpdateMessage(LLMessageSystem *mesgsys,
 	//  Load Species-Specific data 
 	//
 	static const S32 MAX_TREE_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL = 32 ; //frames.
-	mTreeImagep = LLViewerTextureManager::getFetchedTexture(sSpeciesTable[mSpecies]->mTextureID, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+	mTreeImagep = LLViewerTextureManager::getFetchedTexture(sSpeciesTable[mSpecies]->mTextureID, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
 	mTreeImagep->setMaxVirtualSizeResetInterval(MAX_TREE_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL); //allow to wait for at most 16 frames to reset virtual size.
 
 	mBranchLength = sSpeciesTable[mSpecies]->mBranchLength;
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index b43bdb69f8..7fab1cf9b7 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -747,7 +747,7 @@ void LLVOVolume::updateTextureVirtualSize(bool forced)
 		{
 			F32 area = (F32) camera->getScreenPixelArea();
 			vsize = area;
-			imagep->setBoostLevel(LLViewerTexture::BOOST_HUD);
+			imagep->setBoostLevel(LLGLTexture::BOOST_HUD);
  			face->setPixelArea(area); // treat as full screen
 			face->setVirtualSize(vsize);
 		}
@@ -803,7 +803,7 @@ void LLVOVolume::updateTextureVirtualSize(bool forced)
 		if (mSculptTexture.notNull())
 		{
 			mSculptTexture->setBoostLevel(llmax((S32)mSculptTexture->getBoostLevel(),
-												(S32)LLViewerTexture::BOOST_SCULPTED));
+												(S32)LLGLTexture::BOOST_SCULPTED));
 			mSculptTexture->setForSculpt() ;
 			
 			if(!mSculptTexture->isCachedRawImageReady())
@@ -1006,7 +1006,7 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
 	
 	if (is404)
 	{
-		setIcon(LLViewerTextureManager::getFetchedTextureFromFile("icons/Inv_Mesh.png", TRUE, LLViewerTexture::BOOST_UI));
+		setIcon(LLViewerTextureManager::getFetchedTextureFromFile("icons/Inv_Mesh.png", TRUE, LLGLTexture::BOOST_UI));
 		//render prim proxy when mesh loading attempts give up
 		volume_params.setSculptID(LLUUID::null, LL_SCULPT_TYPE_NONE);
 
@@ -1090,7 +1090,7 @@ void LLVOVolume::updateSculptTexture()
 		LLUUID id =  sculpt_params->getSculptTexture();
 		if (id.notNull())
 		{
-			mSculptTexture = LLViewerTextureManager::getFetchedTexture(id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+			mSculptTexture = LLViewerTextureManager::getFetchedTexture(id, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
 		}
 	}
 	else
@@ -2698,7 +2698,7 @@ void LLVOVolume::updateSpotLightPriority()
 	if (mLightTexture.notNull())
 	{
 		mLightTexture->addTextureStats(mSpotLightPriority);
-		mLightTexture->setBoostLevel(LLViewerTexture::BOOST_CLOUDS);
+		mLightTexture->setBoostLevel(LLGLTexture::BOOST_CLOUDS);
 	}
 }
 
diff --git a/indra/newview/llworldmap.cpp b/indra/newview/llworldmap.cpp
index cb24e96d5b..4d52f23ddb 100644
--- a/indra/newview/llworldmap.cpp
+++ b/indra/newview/llworldmap.cpp
@@ -78,7 +78,7 @@ void LLSimInfo::setLandForSaleImage (LLUUID image_id)
 	// Fetch the image
 	if (mMapImageID.notNull())
 	{
-		mOverlayImage = LLViewerTextureManager::getFetchedTexture(mMapImageID, MIPMAP_TRUE, LLViewerTexture::BOOST_MAP, LLViewerTexture::LOD_TEXTURE);
+		mOverlayImage = LLViewerTextureManager::getFetchedTexture(mMapImageID, MIPMAP_TRUE, LLGLTexture::BOOST_MAP, LLViewerTexture::LOD_TEXTURE);
 		mOverlayImage->setAddressMode(LLTexUnit::TAM_CLAMP);
 	}
 	else
@@ -92,13 +92,13 @@ LLPointer<LLViewerFetchedTexture> LLSimInfo::getLandForSaleImage ()
 	if (mOverlayImage.isNull() && mMapImageID.notNull())
 	{
 		// Fetch the image if it hasn't been done yet (unlikely but...)
-		mOverlayImage = LLViewerTextureManager::getFetchedTexture(mMapImageID, MIPMAP_TRUE, LLViewerTexture::BOOST_MAP, LLViewerTexture::LOD_TEXTURE);
+		mOverlayImage = LLViewerTextureManager::getFetchedTexture(mMapImageID, MIPMAP_TRUE, LLGLTexture::BOOST_MAP, LLViewerTexture::LOD_TEXTURE);
 		mOverlayImage->setAddressMode(LLTexUnit::TAM_CLAMP);
 	}
 	if (!mOverlayImage.isNull())
 	{
 		// Boost the fetch level when we try to access that image
-		mOverlayImage->setBoostLevel(LLViewerTexture::BOOST_MAP);
+		mOverlayImage->setBoostLevel(LLGLTexture::BOOST_MAP);
 	}
 	return mOverlayImage;
 }
diff --git a/indra/newview/llworldmipmap.cpp b/indra/newview/llworldmipmap.cpp
index 74ed844376..c9d2a24a4e 100644
--- a/indra/newview/llworldmipmap.cpp
+++ b/indra/newview/llworldmipmap.cpp
@@ -74,21 +74,21 @@ void LLWorldMipmap::equalizeBoostLevels()
 		{
 			LLPointer<LLViewerFetchedTexture> img = iter->second;
 			S32 current_boost_level = img->getBoostLevel();
-			if (current_boost_level == LLViewerTexture::BOOST_MAP_VISIBLE)
+			if (current_boost_level == LLGLTexture::BOOST_MAP_VISIBLE)
 			{
 				// If level was BOOST_MAP_VISIBLE, the tile has been used in the last draw so keep it high
-				img->setBoostLevel(LLViewerTexture::BOOST_MAP);
+				img->setBoostLevel(LLGLTexture::BOOST_MAP);
 			}
 			else
 			{
 				// If level was BOOST_MAP only (or anything else...), the tile wasn't used in the last draw 
 				// so we drop its boost level to BOOST_NONE.
-				img->setBoostLevel(LLViewerTexture::BOOST_NONE);
+				img->setBoostLevel(LLGLTexture::BOOST_NONE);
 			}
 #if DEBUG_TILES_STAT
 			// Increment some stats if compile option on
 			nb_tiles++;
-			if (current_boost_level == LLViewerTexture::BOOST_MAP_VISIBLE)
+			if (current_boost_level == LLGLTexture::BOOST_MAP_VISIBLE)
 			{
 				nb_visible++;
 			}
@@ -115,7 +115,7 @@ void LLWorldMipmap::dropBoostLevels()
 		for (sublevel_tiles_t::iterator iter = level_mipmap.begin(); iter != level_mipmap.end(); iter++)
 		{
 			LLPointer<LLViewerFetchedTexture> img = iter->second;
-			img->setBoostLevel(LLViewerTexture::BOOST_NONE);
+			img->setBoostLevel(LLGLTexture::BOOST_NONE);
 		}
 	}
 }
@@ -172,7 +172,7 @@ LLPointer<LLViewerFetchedTexture> LLWorldMipmap::getObjectsTile(U32 grid_x, U32
 		// Boost the tile level so to mark it's in use *if* load on
 		if (load)
 		{
-			img->setBoostLevel(LLViewerTexture::BOOST_MAP_VISIBLE);
+			img->setBoostLevel(LLGLTexture::BOOST_MAP_VISIBLE);
 		}
 		return img;
 	}
@@ -189,8 +189,8 @@ LLPointer<LLViewerFetchedTexture> LLWorldMipmap::loadObjectsTile(U32 grid_x, U32
 	// END DEBUG
 	//LL_INFOS("World Map") << "LLWorldMipmap::loadObjectsTile(), URL = " << imageurl << LL_ENDL;
 
-	LLPointer<LLViewerFetchedTexture> img = LLViewerTextureManager::getFetchedTextureFromUrl(imageurl, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
-	img->setBoostLevel(LLViewerTexture::BOOST_MAP);
+	LLPointer<LLViewerFetchedTexture> img = LLViewerTextureManager::getFetchedTextureFromUrl(imageurl, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+	img->setBoostLevel(LLGLTexture::BOOST_MAP);
 
 	// Return the smart pointer
 	return img;
diff --git a/indra/newview/tests/llworldmap_test.cpp b/indra/newview/tests/llworldmap_test.cpp
index acc6e814bc..3c68890c36 100644
--- a/indra/newview/tests/llworldmap_test.cpp
+++ b/indra/newview/tests/llworldmap_test.cpp
@@ -47,9 +47,9 @@
 // * A simulator for a class can be implemented here. Please comment and document thoroughly.
 
 // Stub image calls
-void LLViewerTexture::setBoostLevel(S32 ) { }
-void LLViewerTexture::setAddressMode(LLTexUnit::eTextureAddressMode ) { }
-LLViewerFetchedTexture* LLViewerTextureManager::getFetchedTexture(const LLUUID&, BOOL, LLViewerTexture::EBoostLevel, S8,
+void LLGLTexture::setBoostLevel(S32 ) { }
+void LLGLTexture::setAddressMode(LLTexUnit::eTextureAddressMode ) { }
+LLViewerFetchedTexture* LLViewerTextureManager::getFetchedTexture(const LLUUID&, BOOL, LLGLTexture::EBoostLevel, S8,
 																  LLGLint, LLGLenum, LLHost ) { return NULL; }
 
 // Stub related map calls
diff --git a/indra/newview/tests/llworldmipmap_test.cpp b/indra/newview/tests/llworldmipmap_test.cpp
index e7ef017760..22ebf28f55 100644
--- a/indra/newview/tests/llworldmipmap_test.cpp
+++ b/indra/newview/tests/llworldmipmap_test.cpp
@@ -42,8 +42,8 @@
 // * Do not make any assumption as to how those classes or methods work (i.e. don't copy/paste code)
 // * A simulator for a class can be implemented here. Please comment and document thoroughly.
 
-void LLViewerTexture::setBoostLevel(S32 ) { }
-LLViewerFetchedTexture* LLViewerTextureManager::getFetchedTextureFromUrl(const std::string&, BOOL, LLViewerTexture::EBoostLevel, S8, 
+void LLGLTexture::setBoostLevel(S32 ) { }
+LLViewerFetchedTexture* LLViewerTextureManager::getFetchedTextureFromUrl(const std::string&, BOOL, LLGLTexture::EBoostLevel, S8, 
 																		 LLGLint, LLGLenum, const LLUUID& ) { return NULL; }
 
 LLControlGroup::LLControlGroup(const std::string& name) : LLInstanceTracker<LLControlGroup, std::string>(name) { }