merge

2012-07-30 14:57:33 -04:00 · 2012-07-30 14:57:33 -04:00 · a5c9d89b28
parent 0f3c5e6458 d306cb059b
commit a5c9d89b28
56 changed files with 2076 additions and 686 deletions
--- a/.hgtags
+++ b/.hgtags
--- a/autobuild.xml
+++ b/autobuild.xml
@ -1014,9 +1014,9 @@
            <key>archive</key>
            <map>
              <key>hash</key>
-              <string>d91e1f483209cd3eba04135c6a59e829</string>
+              <string>a5b2dff0d97b643227a58473e5c57906</string>
              <key>url</key>
-              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/hg/repo/3p-kdu-private/rev/221672/arch/Darwin/installer/kdu-6.4.1-darwin-20110218.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/hg/repo/3p-kdu-private/rev/256978/arch/Darwin/installer/kdu-7.0.0-darwin-20120515.tar.bz2</string>
            </map>
            <key>name</key>
            <string>darwin</string>
@ -1038,9 +1038,9 @@
            <key>archive</key>
            <map>
              <key>hash</key>
-              <string>6cd9f36465ef73a3df34bf2b3bba2ced</string>
+              <string>6d80d35524e1c0c32d3385014d02d48c</string>
              <key>url</key>
-              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/hg/repo/3p-kdu-private/rev/221672/arch/CYGWIN/installer/kdu-6.4.1-windows-20110218.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/hg/repo/3p-kdu-private/rev/256978/arch/CYGWIN/installer/kdu-7.0.0-windows-20120515.tar.bz2</string>
            </map>
            <key>name</key>
            <string>windows</string>
--- a/indra/llimage/llimage.cpp
+++ b/indra/llimage/llimage.cpp
@ -292,11 +292,16 @@ LLImageRaw::LLImageRaw(U16 width, U16 height, S8 components)
 	++sRawImageCount;
 }

-LLImageRaw::LLImageRaw(U8 *data, U16 width, U16 height, S8 components)
+LLImageRaw::LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy)
 	: LLImageBase()
 {
 	mMemType = LLMemType::MTYPE_IMAGERAW;
-	if(allocateDataSize(width, height, components))
+
+	if(no_copy)
+	{
+		setDataAndSize(data, width, height, components);
+	}
+	else if(allocateDataSize(width, height, components))
 	{
 		memcpy(getData(), data, width*height*components);
 	}
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@ -189,7 +189,7 @@ protected:
 public:
 	LLImageRaw();
 	LLImageRaw(U16 width, U16 height, S8 components);
-	LLImageRaw(U8 *data, U16 width, U16 height, S8 components);
+	LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy = false);
 	// Construct using createFromFile (used by tools)
 	//LLImageRaw(const std::string& filename, bool j2c_lowest_mip_only = false);

--- a/indra/llimage/llimagej2c.cpp
+++ b/indra/llimage/llimagej2c.cpp
--- a/indra/llkdu/llimagej2ckdu.cpp
+++ b/indra/llkdu/llimagej2ckdu.cpp
@ -1179,7 +1179,7 @@ LLKDUDecodeState::LLKDUDecodeState(kdu_tile tile, kdu_byte *buf, S32 row_gap)
 			llassert(mDims == comp_dims); // Safety check; the caller has ensured this
 		}
 		bool use_shorts = (mComps[c].get_bit_depth(true) <= 16);
-		mLines[c].pre_create(&mAllocator,mDims.size.x,mReversible[c],use_shorts);
+		mLines[c].pre_create(&mAllocator,mDims.size.x,mReversible[c],use_shorts,0,0);
 		if (res.which() == 0) // No DWT levels used
 		{
 			mEngines[c] = kdu_decoder(res.access_subband(LL_BAND),&mAllocator,use_shorts);
@ -1223,7 +1223,7 @@ separation between consecutive rows in the real buffer. */
 	{
 		for (c = 0; c < mNumComponents; c++)
 		{
-			mEngines[c].pull(mLines[c],true);
+			mEngines[c].pull(mLines[c]);
 		}
 		if ((mNumComponents >= 3) && mUseYCC)
 		{
--- a/indra/llkdu/llimagej2ckdu.h
+++ b/indra/llkdu/llimagej2ckdu.h
@ -32,6 +32,7 @@
 //
 // KDU core header files
 //
+#define KDU_NO_THREADS
 #include "kdu_elementary.h"
 #include "kdu_messaging.h"
 #include "kdu_params.h"
--- a/indra/llkdu/llkdumem.h
+++ b/indra/llkdu/llkdumem.h
@ -28,6 +28,7 @@
 #define LL_LLKDUMEM_H

 // Support classes for reading and writing from memory buffers in KDU
+#define KDU_NO_THREADS
 #include "kdu_image.h"
 #include "kdu_elementary.h"
 #include "kdu_messaging.h"
--- a/indra/llkdu/tests/llimagej2ckdu_test.cpp
+++ b/indra/llkdu/tests/llimagej2ckdu_test.cpp
@ -127,7 +127,6 @@ kdu_subband kdu_resolution::access_subband(int ) { kdu_subband a; return a; }
 void kdu_resolution::get_dims(kdu_dims& ) { }
 int kdu_resolution::which() { return 0; }
 int kdu_resolution::get_valid_band_indices(int &) { return 1; }
-kdu_decoder::kdu_decoder(kdu_subband , kdu_sample_allocator*, bool , float, int, kdu_thread_env*, kdu_thread_queue*) { }
 kdu_synthesis::kdu_synthesis(kdu_resolution, kdu_sample_allocator*, bool, float, kdu_thread_env*, kdu_thread_queue*) { }
 kdu_params::kdu_params(const char*, bool, bool, bool, bool, bool) { }
 kdu_params::~kdu_params() { }
@ -153,7 +152,6 @@ void kdu_codestream::destroy() { }
 void kdu_codestream::collect_timing_stats(int ) { }
 void kdu_codestream::set_max_bytes(kdu_long, bool, bool ) { }
 void kdu_codestream::get_valid_tiles(kdu_dims& ) { }
-void kdu_codestream::create(siz_params*, kdu_compressed_target*, kdu_dims*, int, kdu_long ) { }
 void kdu_codestream::create(kdu_compressed_source*, kdu_thread_env*) { }
 void kdu_codestream::apply_input_restrictions( int, int, int, int, kdu_dims*, kdu_component_access_mode ) { }
 void kdu_codestream::get_subsampling(int , kdu_coords&, bool ) { }
@ -175,7 +173,7 @@ kdu_block* kdu_subband::open_block(kdu_coords, int*, kdu_thread_env*) { return N
 bool kdu_codestream_comment::put_text(const char*) { return false; }
 void kdu_customize_warnings(kdu_message*) { }
 void kdu_customize_errors(kdu_message*) { }
-void kdu_convert_ycc_to_rgb(kdu_line_buf&, kdu_line_buf&, kdu_line_buf&, int) { }
+
 kdu_long kdu_multi_analysis::create(kdu_codestream, kdu_tile, bool, kdu_roi_image*, bool, int, kdu_thread_env*, kdu_thread_queue*, bool ) { kdu_long a = 0; return a; }
 siz_params::siz_params() : kdu_params(NULL, false, false, false, false, false) { }
 void siz_params::finalize(bool ) { }
@ -184,6 +182,21 @@ int siz_params::write_marker_segment(kdu_output*, kdu_params*, int) { return 0;
 bool siz_params::check_marker_segment(kdu_uint16, int, kdu_byte a[], int&) { return false; }
 bool siz_params::read_marker_segment(kdu_uint16, int, kdu_byte a[], int) { return false; }

+#ifdef LL_LINUX
+// Linux use the old pre KDU v7.0.0
+// *TODO: Supress this legacy stubbs once Linux migrates to v7.0.0
+kdu_decoder::kdu_decoder(kdu_subband , kdu_sample_allocator*, bool , float, int, kdu_thread_env*, kdu_thread_queue*) { }
+void kdu_codestream::create(siz_params*, kdu_compressed_target*, kdu_dims*, int, kdu_long ) { }
+void kdu_convert_ycc_to_rgb(kdu_line_buf&, kdu_line_buf&, kdu_line_buf&, int) { }
+#else
+kdu_decoder::kdu_decoder(kdu_subband , kdu_sample_allocator*, bool , float, int, kdu_thread_env*, kdu_thread_queue*, int) { }
+void kdu_codestream::create(siz_params*, kdu_compressed_target*, kdu_dims*, int, kdu_long, kdu_thread_env* ) { }
+void (*kdu_convert_ycc_to_rgb_rev16)(kdu_int16*,kdu_int16*,kdu_int16*,int);
+void (*kdu_convert_ycc_to_rgb_irrev16)(kdu_int16*,kdu_int16*,kdu_int16*,int);
+void (*kdu_convert_ycc_to_rgb_rev32)(kdu_int32*,kdu_int32*,kdu_int32*,int);
+void (*kdu_convert_ycc_to_rgb_irrev32)(float*,float*,float*,int);
+#endif
+
 // -------------------------------------------------------------------------------------------
 // TUT
 // -------------------------------------------------------------------------------------------
--- a/indra/llmessage/llavatarnamecache.cpp
+++ b/indra/llmessage/llavatarnamecache.cpp
@ -87,6 +87,9 @@ namespace LLAvatarNameCache
    /// Time when unrefreshed cached names were checked last
    static F64 sLastExpireCheck;

+	/// Time-to-live for a temp cache entry.
+	const F64 TEMP_CACHE_ENTRY_LIFETIME = 60.0;
+
 	//-----------------------------------------------------------------------
 	// Internal methods
 	//-----------------------------------------------------------------------
@ -274,7 +277,7 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id)
    {
        // there is no existing cache entry, so make a temporary name from legacy
        LL_WARNS("AvNameCache") << "LLAvatarNameCache get legacy for agent "
-                                << agent_id << LL_ENDL;
+								<< agent_id << LL_ENDL;
        gCacheName->get(agent_id, false,  // legacy compatibility
                        boost::bind(&LLAvatarNameCache::legacyNameCallback,
                                    _1, _2, _3));
@ -287,13 +290,14 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id)
        // Clear this agent from the pending list
        LLAvatarNameCache::sPendingQueue.erase(agent_id);

-        const LLAvatarName& av_name = existing->second;
+        LLAvatarName& av_name = existing->second;
        LL_DEBUGS("AvNameCache") << "LLAvatarNameCache use cache for agent "
                                 << agent_id 
                                 << "user '" << av_name.mUsername << "' "
                                 << "display '" << av_name.mDisplayName << "' "
                                 << "expires in " << av_name.mExpires - LLFrameTimer::getTotalSeconds() << " seconds"
                                 << LL_ENDL;
+		av_name.mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME; // reset expiry time so we don't constantly rerequest.
    }
 }

@ -402,10 +406,12 @@ void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id,
 							 << LL_ENDL;
 	buildLegacyName(full_name, &av_name);

-	// Don't add to cache, the data already exists in the legacy name system
-	// cache and we don't want or need duplicate storage, because keeping the
-	// two copies in sync is complex.
-	processName(agent_id, av_name, false);
+	// Add to cache, because if we don't we'll keep rerequesting the
+	// same record forever.  buildLegacyName should always guarantee
+	// that these records expire reasonably soon
+	// (in TEMP_CACHE_ENTRY_LIFETIME seconds), so if the failure was due
+	// to something temporary we will eventually request and get the right data.
+	processName(agent_id, av_name, true);
 }

 void LLAvatarNameCache::requestNamesViaLegacy()
@ -583,7 +589,7 @@ void LLAvatarNameCache::buildLegacyName(const std::string& full_name,
 	av_name->mDisplayName = full_name;
 	av_name->mIsDisplayNameDefault = true;
 	av_name->mIsTemporaryName = true;
-	av_name->mExpires = F64_MAX; // not used because these are not cached
+	av_name->mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME;
 	LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::buildLegacyName "
 							 << full_name
 							 << LL_ENDL;
--- a/indra/llmessage/llcurl.cpp
+++ b/indra/llmessage/llcurl.cpp
@ -935,8 +935,8 @@ bool LLCurlThread::CurlRequest::processRequest()

 		if(!completed)
 		{
-		setPriority(LLQueuedThread::PRIORITY_LOW) ;
-	}
+			setPriority(LLQueuedThread::PRIORITY_LOW) ;
+		}
 	}

 	return completed ;
@ -946,7 +946,7 @@ void LLCurlThread::CurlRequest::finishRequest(bool completed)
 {
 	if(mMulti->isDead())
 	{
-	mCurlThread->deleteMulti(mMulti) ;
+		mCurlThread->deleteMulti(mMulti) ;
 	}
 	else
 	{
@ -990,6 +990,7 @@ void LLCurlThread::killMulti(LLCurl::Multi* multi)
 		return ;
 	}

+
 	multi->markDead() ;
 }

@ -1095,7 +1096,9 @@ void LLCurlRequest::get(const std::string& url, LLCurl::ResponderPtr responder)
 {
 	getByteRange(url, headers_t(), 0, -1, responder);
 }
-	
+
+// Note: (length==0) is interpreted as "the rest of the file", i.e. the whole file if (offset==0) or
+// the remainder of the file if not.
 bool LLCurlRequest::getByteRange(const std::string& url,
 								 const headers_t& headers,
 								 S32 offset, S32 length,
@ -1113,6 +1116,11 @@ bool LLCurlRequest::getByteRange(const std::string& url,
 		std::string range = llformat("Range: bytes=%d-%d", offset,offset+length-1);
 		easy->slist_append(range.c_str());
 	}
+	else if (offset > 0)
+	{
+		std::string range = llformat("Range: bytes=%d-", offset);
+		easy->slist_append(range.c_str());
+	}
 	easy->setHeaders();
 	bool res = addEasy(easy);
 	return res;
@ -1238,6 +1246,208 @@ S32 LLCurlRequest::getQueued()
 	return queued;
 }

+LLCurlTextureRequest::LLCurlTextureRequest(S32 concurrency) : 
+	LLCurlRequest(), 
+	mConcurrency(concurrency),
+	mInQueue(0),
+	mMutex(NULL),
+	mHandleCounter(1),
+	mTotalIssuedRequests(0),
+	mTotalReceivedBits(0)
+{
+	mGlobalTimer.reset();
+}
+
+LLCurlTextureRequest::~LLCurlTextureRequest()
+{
+	mRequestMap.clear();
+
+	for(req_queue_t::iterator iter = mCachedRequests.begin(); iter != mCachedRequests.end(); ++iter)
+	{
+		delete *iter;
+	}
+	mCachedRequests.clear();
+}
+
+//return 0: success
+// > 0: cached handle
+U32 LLCurlTextureRequest::getByteRange(const std::string& url,
+								 const headers_t& headers,
+								 S32 offset, S32 length, U32 pri,
+								 LLCurl::ResponderPtr responder, F32 delay_time)
+{
+	U32 ret_val = 0;
+	bool success = false;	
+
+	if(mInQueue < mConcurrency && delay_time < 0.f)
+	{
+		success = LLCurlRequest::getByteRange(url, headers, offset, length, responder);		
+	}
+
+	LLMutexLock lock(&mMutex);
+
+	if(success)
+	{
+		mInQueue++;
+		mTotalIssuedRequests++;
+	}
+	else
+	{
+		request_t* request = new request_t(mHandleCounter, url, headers, offset, length, pri, responder);
+		if(delay_time > 0.f)
+		{
+			request->mStartTime = mGlobalTimer.getElapsedTimeF32() + delay_time;
+		}
+
+		mCachedRequests.insert(request);
+		mRequestMap[mHandleCounter] = request;
+		ret_val = mHandleCounter;
+		mHandleCounter++;
+
+		if(!mHandleCounter)
+		{
+			mHandleCounter = 1;
+		}
+	}
+
+	return ret_val;
+}
+
+void LLCurlTextureRequest::completeRequest(S32 received_bytes)
+{
+	LLMutexLock lock(&mMutex);
+
+	llassert_always(mInQueue > 0);
+
+	mInQueue--;
+	mTotalReceivedBits += received_bytes * 8;
+}
+
+void LLCurlTextureRequest::nextRequests()
+{
+	if(mCachedRequests.empty() || mInQueue >= mConcurrency)
+	{
+		return;
+	}
+
+	F32 cur_time = mGlobalTimer.getElapsedTimeF32();
+
+	req_queue_t::iterator iter;	
+	{
+		LLMutexLock lock(&mMutex);
+		iter = mCachedRequests.begin();
+	}
+	while(1)
+	{
+		request_t* request = *iter;
+		if(request->mStartTime < cur_time)
+		{
+			if(!LLCurlRequest::getByteRange(request->mUrl, request->mHeaders, request->mOffset, request->mLength, request->mResponder))
+			{
+				break;
+			}
+
+			LLMutexLock lock(&mMutex);
+			++iter;
+			mInQueue++;
+			mTotalIssuedRequests++;
+			mCachedRequests.erase(request);
+			mRequestMap.erase(request->mHandle);
+			delete request;
+
+			if(iter == mCachedRequests.end() || mInQueue >= mConcurrency)
+			{
+				break;
+			}
+		}
+		else
+		{
+			LLMutexLock lock(&mMutex);
+			++iter;
+			if(iter == mCachedRequests.end() || mInQueue >= mConcurrency)
+			{
+				break;
+			}
+		}
+	}
+
+	return;
+}
+
+void LLCurlTextureRequest::updatePriority(U32 handle, U32 pri)
+{
+	if(!handle)
+	{
+		return;
+	}
+
+	LLMutexLock lock(&mMutex);
+
+	std::map<S32, request_t*>::iterator iter = mRequestMap.find(handle);
+	if(iter != mRequestMap.end())
+	{
+		request_t* req = iter->second;
+		
+		if(req->mPriority != pri)
+		{
+			mCachedRequests.erase(req);
+			req->mPriority = pri;
+			mCachedRequests.insert(req);
+		}
+	}
+}
+
+void LLCurlTextureRequest::removeRequest(U32 handle)
+{
+	if(!handle)
+	{
+		return;
+	}
+
+	LLMutexLock lock(&mMutex);
+
+	std::map<S32, request_t*>::iterator iter = mRequestMap.find(handle);
+	if(iter != mRequestMap.end())
+	{
+		request_t* req = iter->second;
+		mRequestMap.erase(iter);
+		mCachedRequests.erase(req);
+		delete req;
+	}
+}
+
+bool LLCurlTextureRequest::isWaiting(U32 handle)
+{
+	if(!handle)
+	{
+		return false;
+	}
+
+	LLMutexLock lock(&mMutex);
+	return mRequestMap.find(handle) != mRequestMap.end();
+}
+
+U32 LLCurlTextureRequest::getTotalReceivedBits()
+{
+	LLMutexLock lock(&mMutex);
+
+	U32 bits = mTotalReceivedBits;
+	mTotalReceivedBits = 0;
+	return bits;
+}
+
+U32 LLCurlTextureRequest::getTotalIssuedRequests()
+{
+	LLMutexLock lock(&mMutex);
+	return mTotalIssuedRequests;
+}
+
+S32 LLCurlTextureRequest::getNumRequests()
+{
+	LLMutexLock lock(&mMutex);
+	return mInQueue;
+}
+
 ////////////////////////////////////////////////////////////////////////////
 // For generating one easy request
 // associated with a single multi request
--- a/indra/llmessage/llcurl.h
+++ b/indra/llmessage/llcurl.h
@ -414,6 +414,71 @@ private:
 	BOOL mProcessing;
 };

+//for texture fetch only
+class LLCurlTextureRequest : public LLCurlRequest
+{
+public:
+	LLCurlTextureRequest(S32 concurrency);
+	~LLCurlTextureRequest();
+
+	U32 getByteRange(const std::string& url, const headers_t& headers, S32 offset, S32 length, U32 pri, LLCurl::ResponderPtr responder, F32 delay_time = -1.f);
+	void nextRequests();
+	void completeRequest(S32 received_bytes);
+
+	void updatePriority(U32 handle, U32 pri);
+	void removeRequest(U32 handle);
+
+	U32 getTotalReceivedBits();
+	U32 getTotalIssuedRequests();
+	S32 getNumRequests();
+	bool isWaiting(U32 handle);
+	
+private:
+	LLMutex mMutex;
+	S32 mConcurrency;
+	S32 mInQueue; //request currently in queue.
+	U32 mHandleCounter;
+	U32 mTotalIssuedRequests;
+	U32 mTotalReceivedBits;
+
+	typedef struct _request_t
+	{
+		_request_t(U32 handle, const std::string& url, const headers_t& headers, S32 offset, S32 length, U32 pri, LLCurl::ResponderPtr responder) :
+				mHandle(handle), mUrl(url), mHeaders(headers), mOffset(offset), mLength(length), mPriority(pri), mResponder(responder), mStartTime(0.f)
+				{}
+
+		U32  mHandle;
+		std::string mUrl;
+		LLCurlRequest::headers_t mHeaders;
+		S32 mOffset;
+		S32 mLength;
+		LLCurl::ResponderPtr mResponder;
+		U32 mPriority;
+		F32 mStartTime; //start time to issue this request
+	} request_t;
+
+	struct request_compare
+	{
+		bool operator()(const request_t* lhs, const request_t* rhs) const
+		{
+			if(lhs->mPriority != rhs->mPriority)
+			{
+				return lhs->mPriority > rhs->mPriority; // higher priority in front of queue (set)
+			}
+			else
+			{
+				return (U32)lhs < (U32)rhs;
+			}
+		}
+	};
+
+	typedef std::set<request_t*, request_compare> req_queue_t;
+	req_queue_t mCachedRequests;
+	std::map<S32, request_t*> mRequestMap;
+
+	LLFrameTimer mGlobalTimer;
+};
+
 class LLCurlEasyRequest
 {
 public:
--- a/indra/llprimitive/llprimitive.cpp
+++ b/indra/llprimitive/llprimitive.cpp
@ -149,7 +149,8 @@ bool LLPrimitive::cleanupVolumeManager()
 LLPrimitive::LLPrimitive()
 :	mTextureList(),
 	mNumTEs(0),
-	mMiscFlags(0)
+	mMiscFlags(0),
+	mNumBumpmapTEs(0)
 {
 	mPrimitiveCode = 0;

@ -237,7 +238,10 @@ void  LLPrimitive::setAllTETextures(const LLUUID &tex_id)
 //===============================================================
 void LLPrimitive::setTE(const U8 index, const LLTextureEntry& te)
 {
-	mTextureList.copyTexture(index, te);
+	if(mTextureList.copyTexture(index, te) != TEM_CHANGE_NONE && te.getBumpmap() > 0)
+	{
+		mNumBumpmapTEs++;
+	}
 }

 S32  LLPrimitive::setTETexture(const U8 index, const LLUUID &id)
@ -316,6 +320,7 @@ S32  LLPrimitive::setTERotation(const U8 index, const F32 r)
 //===============================================================
 S32  LLPrimitive::setTEBumpShinyFullbright(const U8 index, const U8 bump)
 {
+	updateNumBumpmap(index, bump);
 	return mTextureList.setBumpShinyFullbright(index, bump);
 }

@ -326,11 +331,13 @@ S32  LLPrimitive::setTEMediaTexGen(const U8 index, const U8 media)

 S32  LLPrimitive::setTEBumpmap(const U8 index, const U8 bump)
 {
+	updateNumBumpmap(index, bump);
 	return mTextureList.setBumpMap(index, bump);
 }

 S32  LLPrimitive::setTEBumpShiny(const U8 index, const U8 bump_shiny)
 {
+	updateNumBumpmap(index, bump_shiny);
 	return mTextureList.setBumpShiny(index, bump_shiny);
 }

@ -1445,6 +1452,26 @@ void LLPrimitive::takeTextureList(LLPrimTextureList& other_list)
 	mTextureList.take(other_list);
 }

+void LLPrimitive::updateNumBumpmap(const U8 index, const U8 bump)
+{
+	LLTextureEntry* te = getTE(index);
+	if(!te)
+	{
+		return;
+	}
+
+	U8 old_bump = te->getBumpmap();	
+	if(old_bump > 0)
+	{
+		mNumBumpmapTEs--;
+	}
+	if((bump & TEM_BUMP_MASK) > 0)
+	{
+		mNumBumpmapTEs++;
+	}
+
+	return;
+}
 //============================================================================

 // Moved from llselectmgr.cpp
--- a/indra/llprimitive/llprimitive.h
+++ b/indra/llprimitive/llprimitive.h
@ -421,7 +421,8 @@ public:
 	inline BOOL	isAvatar() const;
 	inline BOOL	isSittingAvatar() const;
 	inline BOOL	isSittingAvatarOnGround() const;
-
+	inline bool hasBumpmap() const  { return mNumBumpmapTEs > 0;}
+	
 	void setFlags(U32 flags) { mMiscFlags = flags; }
 	void addFlags(U32 flags) { mMiscFlags |= flags; }
 	void removeFlags(U32 flags) { mMiscFlags &= ~flags; }
@ -435,6 +436,9 @@ public:
 	inline static BOOL isPrimitive(const LLPCode pcode);
 	inline static BOOL isApp(const LLPCode pcode);

+private:
+	void updateNumBumpmap(const U8 index, const U8 bump);
+
 protected:
 	LLPCode				mPrimitiveCode;		// Primitive code
 	LLVector3			mVelocity;			// how fast are we moving?
@ -444,6 +448,7 @@ protected:
 	LLPrimTextureList	mTextureList;		// list of texture GUIDs, scales, offsets
 	U8					mMaterial;			// Material code
 	U8					mNumTEs;			// # of faces on the primitve	
+	U8                  mNumBumpmapTEs;     // number of bumpmap TEs.
 	U32 				mMiscFlags;			// home for misc bools

 public:
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@ -476,7 +476,7 @@ bool LLImageGL::checkSize(S32 width, S32 height)
 	return check_power_of_two(width) && check_power_of_two(height);
 }

-void LLImageGL::setSize(S32 width, S32 height, S32 ncomponents)
+void LLImageGL::setSize(S32 width, S32 height, S32 ncomponents, S32 discard_level)
 {
 	if (width != mWidth || height != mHeight || ncomponents != mComponents)
 	{
@ -509,6 +509,11 @@ void LLImageGL::setSize(S32 width, S32 height, S32 ncomponents)
 				width >>= 1;
 				height >>= 1;
 			}
+
+			if(discard_level > 0)
+			{
+				mMaxDiscardLevel = llmax(mMaxDiscardLevel, (S8)discard_level);
+			}
 		}
 		else
 		{
@ -858,14 +863,13 @@ BOOL LLImageGL::preAddToAtlas(S32 discard_level, const LLImageRaw* raw_image)
 		llassert(mCurrentDiscardLevel >= 0);
 		discard_level = mCurrentDiscardLevel;
 	}
-	discard_level = llclamp(discard_level, 0, (S32)mMaxDiscardLevel);
-
+	
 	// Actual image width/height = raw image width/height * 2^discard_level
 	S32 w = raw_image->getWidth() << discard_level;
 	S32 h = raw_image->getHeight() << discard_level;

 	// setSize may call destroyGLTexture if the size does not match
-	setSize(w, h, raw_image->getComponents());
+	setSize(w, h, raw_image->getComponents(), discard_level);

 	if( !mHasExplicitFormat )
 	{
@ -1262,8 +1266,7 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S
 		llassert(mCurrentDiscardLevel >= 0);
 		discard_level = mCurrentDiscardLevel;
 	}
-	discard_level = llclamp(discard_level, 0, (S32)mMaxDiscardLevel);
-
+	
 	// Actual image width/height = raw image width/height * 2^discard_level
 	S32 raw_w = imageraw->getWidth() ;
 	S32 raw_h = imageraw->getHeight() ;
@ -1271,7 +1274,7 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S
 	S32 h = raw_h << discard_level;

 	// setSize may call destroyGLTexture if the size does not match
-	setSize(w, h, imageraw->getComponents());
+	setSize(w, h, imageraw->getComponents(), discard_level);

 	if( !mHasExplicitFormat )
 	{
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@ -100,7 +100,7 @@ protected:
 public:
 	virtual void dump();	// debugging info to llinfos
 	
-	void setSize(S32 width, S32 height, S32 ncomponents);
+	void setSize(S32 width, S32 height, S32 ncomponents, S32 discard_level = -1);
 	void setComponents(S32 ncomponents) { mComponents = (S8)ncomponents ;}
 	void setAllowCompression(bool allow) { mAllowCompression = allow; }

--- a/indra/llui/llcontainerview.cpp
+++ b/indra/llui/llcontainerview.cpp
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
--- a/indra/newview/app_settings/logcontrol.xml
+++ b/indra/newview/app_settings/logcontrol.xml
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@ -3269,6 +3269,17 @@
        <string>Boolean</string>
        <key>Value</key>
        <integer>0</integer>
+    </map>
+    <key>FastCacheFetchEnabled</key>
+    <map>
+      <key>Comment</key>
+      <string>Enable texture fast cache fetching if set</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <string>1</string>
    </map>
 	<key>FeatureManagerHTTPTable</key>
      <map>
@ -10789,6 +10800,83 @@
      <key>Value</key>
      <integer>0</integer>
    </map>
+    <key>TextureFetchSource</key>
+    <map>
+      <key>Comment</key>
+      <string>Debug use: Source to fetch textures</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>S32</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
+    <key>TextureFetchUpdateHighPriority</key>
+    <map>
+      <key>Comment</key>
+      <string>Number of high priority textures to update per frame</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>S32</string>
+      <key>Value</key>
+      <integer>32</integer>
+    </map>
+    <key>TextureFetchUpdateMaxMediumPriority</key>
+    <map>
+      <key>Comment</key>
+      <string>Maximum number of medium priority textures to update per frame</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>S32</string>
+      <key>Value</key>
+      <integer>256</integer>
+    </map>
+    <key>TextureFetchUpdateMinMediumPriority</key>
+    <map>
+      <key>Comment</key>
+      <string>Minimum number of medium priority textures to update per frame</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>S32</string>
+      <key>Value</key>
+      <integer>32</integer>
+    </map>
+    <key>TextureFetchUpdatePriorityThreshold</key>
+    <map>
+      <key>Comment</key>
+      <string>Threshold under which textures will be considered too low priority and skipped for update</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <integer>0.0</integer>
+    </map>
+    <key>TextureFetchUpdateSkipLowPriority</key>
+    <map>
+      <key>Comment</key>
+      <string>Flag indicating if we want to skip textures with too low of a priority</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
+    <key>TextureFetchUpdatePriorities</key>
+    <map>
+      <key>Comment</key>
+      <string>Number of priority texture to update per frame</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>S32</string>
+      <key>Value</key>
+      <integer>32</integer>
+    </map>
    <key>TextureLoadFullRes</key>
    <map>
      <key>Comment</key>
--- a/indra/newview/llagentwearables.cpp
+++ b/indra/newview/llagentwearables.cpp
--- a/indra/newview/llagentwearables.h
+++ b/indra/newview/llagentwearables.h
--- a/indra/newview/llappearancemgr.cpp
+++ b/indra/newview/llappearancemgr.cpp
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@ -4338,6 +4338,10 @@ void LLAppViewer::idle()
    {
 		return;
    }
+	if (gTeleportDisplay)
+    {
+		return;
+    }

 	gViewerWindow->updateUI();

--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@ -2169,6 +2169,12 @@ BOOL LLFace::hasMedia() const
 const F32 LEAST_IMPORTANCE = 0.05f ;
 const F32 LEAST_IMPORTANCE_FOR_LARGE_IMAGE = 0.3f ;

+void LLFace::resetVirtualSize()
+{
+	setVirtualSize(0.f);
+	mImportanceToCamera = 0.f;
+}
+
 F32 LLFace::getTextureVirtualSize()
 {
 	F32 radius;
@ -2234,8 +2240,17 @@ BOOL LLFace::calcPixelArea(F32& cos_angle_to_view_dir, F32& radius)
 	LLVector4a t;
 	t.load3(camera->getOrigin().mV);
 	lookAt.setSub(center, t);
+	
 	F32 dist = lookAt.getLength3().getF32();
-	dist = llmax(dist-size.getLength3().getF32(), 0.f);
+	dist = llmax(dist-size.getLength3().getF32(), 0.001f);
+	//ramp down distance for nearby objects
+	if (dist < 16.f)
+	{
+		dist /= 16.f;
+		dist *= dist;
+		dist *= 16.f;
+	}
+
 	lookAt.normalize3fast() ;	

 	//get area of circle around node
--- a/indra/newview/llface.h
+++ b/indra/newview/llface.h
@ -206,6 +206,7 @@ public:

 	F32         getTextureVirtualSize() ;
 	F32         getImportanceToCamera()const {return mImportanceToCamera ;}
+	void        resetVirtualSize();

 	void        setHasMedia(bool has_media)  { mHasMedia = has_media ;}
 	BOOL        hasMedia() const ;
--- a/indra/newview/llfloatertexturefetchdebugger.cpp
+++ b/indra/newview/llfloatertexturefetchdebugger.cpp
@ -59,12 +59,15 @@ LLFloaterTextureFetchDebugger::LLFloaterTextureFetchDebugger(const LLSD& key)

 	mCommitCallbackRegistrar.add("TexFetchDebugger.RefetchVisCache",	boost::bind(&LLFloaterTextureFetchDebugger::onClickRefetchVisCache, this));
 	mCommitCallbackRegistrar.add("TexFetchDebugger.RefetchVisHTTP",	boost::bind(&LLFloaterTextureFetchDebugger::onClickRefetchVisHTTP, this));
+	mCommitCallbackRegistrar.add("TexFetchDebugger.RefetchAllCache",	boost::bind(&LLFloaterTextureFetchDebugger::onClickRefetchAllCache, this));
+	mCommitCallbackRegistrar.add("TexFetchDebugger.RefetchAllHTTP",	boost::bind(&LLFloaterTextureFetchDebugger::onClickRefetchAllHTTP, this));
 }
 //----------------------------------------------

 BOOL LLFloaterTextureFetchDebugger::postBuild(void) 
 {	
 	mDebugger = LLAppViewer::getTextureFetch()->getFetchDebugger();
+	mStartStatus = (S32)LLTextureFetchDebugger::IDLE;

 	//set states for buttons
 	mButtonStateMap["start_btn"] = true;
@ -76,8 +79,10 @@ BOOL LLFloaterTextureFetchDebugger::postBuild(void)
 	mButtonStateMap["decode_btn"] = false;
 	mButtonStateMap["gl_btn"] = false;

-	mButtonStateMap["refetchviscache_btn"] = true;
-	mButtonStateMap["refetchvishttp_btn"] = true;
+	mButtonStateMap["refetchviscache_btn"] = false;
+	mButtonStateMap["refetchvishttp_btn"] = false;
+	mButtonStateMap["refetchallcache_btn"] = false;
+	mButtonStateMap["refetchallhttp_btn"] = false;

 	updateButtons();

@ -89,7 +94,7 @@ BOOL LLFloaterTextureFetchDebugger::postBuild(void)
 LLFloaterTextureFetchDebugger::~LLFloaterTextureFetchDebugger()
 {
 	//stop everything
-	mDebugger->stopDebug();
+	mDebugger->setStopDebug();
 }

 void LLFloaterTextureFetchDebugger::updateButtons()
@ -118,47 +123,81 @@ void LLFloaterTextureFetchDebugger::disableButtons()
 	childDisable("gl_btn");
 	childDisable("refetchviscache_btn");
 	childDisable("refetchvishttp_btn");
+	childDisable("refetchallcache_btn");
+	childDisable("refetchallhttp_btn");
+}
+void LLFloaterTextureFetchDebugger::setStartStatus(S32 status)
+{
+	llassert_always(LLTextureFetchDebugger::IDLE == (LLTextureFetchDebugger::e_debug_state)mStartStatus) ;
+	mStartStatus = status;
+}
+	
+bool LLFloaterTextureFetchDebugger::idleStart()
+{
+	if(mStartStatus != (S32)LLTextureFetchDebugger::IDLE)
+	{
+		mDebugger->startWork((LLTextureFetchDebugger::e_debug_state)mStartStatus);
+		mStartStatus = (S32)LLTextureFetchDebugger::IDLE;
+		return true;
+	}
+
+	return false;
 }

 void LLFloaterTextureFetchDebugger::idle()
 {	
-	LLTextureFetchDebugger::e_debug_state state = mDebugger->getState();
-	
-	if(mDebugger->update())
+	if(idleStart())
+	{
+		return;
+	}
+
+	const F32 max_time = 0.005f; //5ms
+	LLTextureFetchDebugger::e_debug_state state = mDebugger->getState();	
+	if(mDebugger->update(max_time))
 	{
 		switch(state)
 		{
 		case LLTextureFetchDebugger::IDLE:
 			break;
-		case LLTextureFetchDebugger::READ_CACHE:
-			mButtonStateMap["cachewrite_btn"] = true;
-			mButtonStateMap["decode_btn"] = true;
-			updateButtons();
+		case LLTextureFetchDebugger::START_DEBUG:
+			mButtonStateMap["cacheread_btn"] = true;
+			mButtonStateMap["http_btn"] = true;
+			mButtonStateMap["refetchviscache_btn"] = true;
+			mButtonStateMap["refetchvishttp_btn"] = true;
+			mButtonStateMap["refetchallcache_btn"] = true;
+			mButtonStateMap["refetchallhttp_btn"] = true;
 			break;
-		case LLTextureFetchDebugger::WRITE_CACHE:
-			updateButtons();
+		case LLTextureFetchDebugger::READ_CACHE:			
+			mButtonStateMap["decode_btn"] = true;			
+			break;
+		case LLTextureFetchDebugger::WRITE_CACHE:			
 			break;
 		case LLTextureFetchDebugger::DECODING:
-			mButtonStateMap["gl_btn"] = true;
-			updateButtons();
+			mButtonStateMap["gl_btn"] = true;			
 			break;
 		case LLTextureFetchDebugger::HTTP_FETCHING:
 			mButtonStateMap["cacheread_btn"] = true;
 			mButtonStateMap["cachewrite_btn"] = true;
-			mButtonStateMap["decode_btn"] = true;
-			updateButtons();
+			mButtonStateMap["decode_btn"] = true;			
 			break;
-		case LLTextureFetchDebugger::GL_TEX:
-			updateButtons();
+		case LLTextureFetchDebugger::GL_TEX:			
 			break;
-		case LLTextureFetchDebugger::REFETCH_VIS_CACHE:
-			updateButtons();
-		case LLTextureFetchDebugger::REFETCH_VIS_HTTP:
-			updateButtons();
+		case LLTextureFetchDebugger::REFETCH_VIS_CACHE:			
+			break;
+		case LLTextureFetchDebugger::REFETCH_VIS_HTTP:			
+			break;
+		case LLTextureFetchDebugger::REFETCH_ALL_CACHE:			
+			break;
+		case LLTextureFetchDebugger::REFETCH_ALL_HTTP:
 			break;
 		default:
 			break;
 		}
+
+		if(state != LLTextureFetchDebugger::IDLE)
+		{
+			updateButtons();
+		}
 	}
 }

@ -172,11 +211,10 @@ void LLFloaterTextureFetchDebugger::onClickStart()
 {
 	disableButtons();

-	mDebugger->startDebug();
+	setStartStatus((S32)LLTextureFetchDebugger::START_DEBUG);	

 	mButtonStateMap["start_btn"] = false;
-	mButtonStateMap["cacheread_btn"] = true;
-	mButtonStateMap["http_btn"] = true;
+
 	updateButtons();
 }

@ -185,7 +223,9 @@ void LLFloaterTextureFetchDebugger::onClickClose()
 	setVisible(FALSE);
 	
 	//stop everything
-	mDebugger->stopDebug();
+	mDebugger->setStopDebug();
+
+	delete this;
 }

 void LLFloaterTextureFetchDebugger::onClickClear()
@ -203,7 +243,7 @@ void LLFloaterTextureFetchDebugger::onClickClear()
 	updateButtons();

 	//stop everything
-	mDebugger->stopDebug();
+	mDebugger->setStopDebug();
 	mDebugger->clearHistory();
 }

@ -211,49 +251,63 @@ void LLFloaterTextureFetchDebugger::onClickCacheRead()
 {
 	disableButtons();

-	mDebugger->debugCacheRead();
+	setStartStatus((S32)LLTextureFetchDebugger::READ_CACHE);
 }

 void LLFloaterTextureFetchDebugger::onClickCacheWrite()
 {
 	disableButtons();

-	mDebugger->debugCacheWrite();
+	setStartStatus((S32)LLTextureFetchDebugger::WRITE_CACHE);
 }

 void LLFloaterTextureFetchDebugger::onClickHTTPLoad()
 {
 	disableButtons();

-	mDebugger->debugHTTP();
+	setStartStatus((S32)LLTextureFetchDebugger::HTTP_FETCHING);
 }

 void LLFloaterTextureFetchDebugger::onClickDecode()
 {
 	disableButtons();

-	mDebugger->debugDecoder();
+	setStartStatus((S32)LLTextureFetchDebugger::DECODING);
 }

 void LLFloaterTextureFetchDebugger::onClickGLTexture()
 {
 	disableButtons();

-	mDebugger->debugGLTextureCreation();
+	setStartStatus((S32)LLTextureFetchDebugger::GL_TEX);	
 }

 void LLFloaterTextureFetchDebugger::onClickRefetchVisCache()
 {
 	disableButtons();

-	mDebugger->debugRefetchVisibleFromCache();
+	setStartStatus((S32)LLTextureFetchDebugger::REFETCH_VIS_CACHE);
 }

 void LLFloaterTextureFetchDebugger::onClickRefetchVisHTTP()
 {
 	disableButtons();

-	mDebugger->debugRefetchVisibleFromHTTP();
+	setStartStatus((S32)LLTextureFetchDebugger::REFETCH_VIS_HTTP);	
+}
+
+void LLFloaterTextureFetchDebugger::onClickRefetchAllCache()
+{
+	disableButtons();
+
+	setStartStatus((S32)LLTextureFetchDebugger::REFETCH_ALL_CACHE);
+}
+
+void LLFloaterTextureFetchDebugger::onClickRefetchAllHTTP()
+{
+	disableButtons();
+
+	setStartStatus((S32)LLTextureFetchDebugger::REFETCH_ALL_HTTP);	
 }

 void LLFloaterTextureFetchDebugger::draw()
@ -368,8 +422,22 @@ void LLFloaterTextureFetchDebugger::draw()
 	else
 	{
 		getChild<LLUICtrl>("total_time_refetch_vis_cache_label")->setTextArg("[TIME]", llformat("%.3f", mDebugger->getRefetchVisCacheTime()));
-		getChild<LLUICtrl>("total_time_refetch_vis_cache_label")->setTextArg("[SIZE]", llformat("%d", mDebugger->getRefetchedData() >> 10));
-		getChild<LLUICtrl>("total_time_refetch_vis_cache_label")->setTextArg("[PIXEL]", llformat("%.3f", mDebugger->getRefetchedPixels() / 1000000.f));
+		getChild<LLUICtrl>("total_time_refetch_vis_cache_label")->setTextArg("[SIZE]", llformat("%d", mDebugger->getRefetchedVisData() >> 10));
+		getChild<LLUICtrl>("total_time_refetch_vis_cache_label")->setTextArg("[PIXEL]", llformat("%.3f", mDebugger->getRefetchedVisPixels() / 1000000.f));
+	}
+
+	//total time on refetching all textures from cache
+	if(mDebugger->getRefetchAllCacheTime() < 0.f)
+	{
+		getChild<LLUICtrl>("total_time_refetch_all_cache_label")->setTextArg("[TIME]", std::string("----"));
+		getChild<LLUICtrl>("total_time_refetch_all_cache_label")->setTextArg("[SIZE]", std::string("----"));
+		getChild<LLUICtrl>("total_time_refetch_all_cache_label")->setTextArg("[PIXEL]", std::string("----"));
+	}
+	else
+	{
+		getChild<LLUICtrl>("total_time_refetch_all_cache_label")->setTextArg("[TIME]", llformat("%.3f", mDebugger->getRefetchAllCacheTime()));
+		getChild<LLUICtrl>("total_time_refetch_all_cache_label")->setTextArg("[SIZE]", llformat("%d", mDebugger->getRefetchedAllData() >> 10));
+		getChild<LLUICtrl>("total_time_refetch_all_cache_label")->setTextArg("[PIXEL]", llformat("%.3f", mDebugger->getRefetchedAllPixels() / 1000000.f));
 	}

 	//total time on refetching visible textures from http
@ -382,8 +450,22 @@ void LLFloaterTextureFetchDebugger::draw()
 	else
 	{
 		getChild<LLUICtrl>("total_time_refetch_vis_http_label")->setTextArg("[TIME]", llformat("%.3f", mDebugger->getRefetchVisHTTPTime()));
-		getChild<LLUICtrl>("total_time_refetch_vis_http_label")->setTextArg("[SIZE]", llformat("%d", mDebugger->getRefetchedData() >> 10));
-		getChild<LLUICtrl>("total_time_refetch_vis_http_label")->setTextArg("[PIXEL]", llformat("%.3f", mDebugger->getRefetchedPixels() / 1000000.f));
+		getChild<LLUICtrl>("total_time_refetch_vis_http_label")->setTextArg("[SIZE]", llformat("%d", mDebugger->getRefetchedVisData() >> 10));
+		getChild<LLUICtrl>("total_time_refetch_vis_http_label")->setTextArg("[PIXEL]", llformat("%.3f", mDebugger->getRefetchedVisPixels() / 1000000.f));
+	}
+
+	//total time on refetching all textures from http
+	if(mDebugger->getRefetchAllHTTPTime() < 0.f)
+	{
+		getChild<LLUICtrl>("total_time_refetch_all_http_label")->setTextArg("[TIME]", std::string("----"));
+		getChild<LLUICtrl>("total_time_refetch_all_http_label")->setTextArg("[SIZE]", std::string("----"));
+		getChild<LLUICtrl>("total_time_refetch_all_http_label")->setTextArg("[PIXEL]", std::string("----"));
+	}
+	else
+	{
+		getChild<LLUICtrl>("total_time_refetch_all_http_label")->setTextArg("[TIME]", llformat("%.3f", mDebugger->getRefetchAllHTTPTime()));
+		getChild<LLUICtrl>("total_time_refetch_all_http_label")->setTextArg("[SIZE]", llformat("%d", mDebugger->getRefetchedAllData() >> 10));
+		getChild<LLUICtrl>("total_time_refetch_all_http_label")->setTextArg("[PIXEL]", llformat("%.3f", mDebugger->getRefetchedAllPixels() / 1000000.f));
 	}

 	LLFloater::draw();
--- a/indra/newview/llfloatertexturefetchdebugger.h
+++ b/indra/newview/llfloatertexturefetchdebugger.h
@ -53,6 +53,8 @@ public:

 	void onClickRefetchVisCache();
 	void onClickRefetchVisHTTP();
+	void onClickRefetchAllCache();
+	void onClickRefetchAllHTTP();
 public:
 	void idle() ;

@ -63,9 +65,12 @@ private:
 	void updateButtons();
 	void disableButtons();

+	void setStartStatus(S32 status);
+	bool idleStart();
 private:	
 	LLTextureFetchDebugger* mDebugger;
 	std::map<std::string, bool> mButtonStateMap;
+	S32 mStartStatus;
 };

 #endif // LL_FLOATER_TEXTURE_FETCH_DEBUGGER__H
--- a/indra/newview/llinventorymodel.cpp
+++ b/indra/newview/llinventorymodel.cpp
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@ -361,6 +361,15 @@ bool idle_startup()

 	if ( STATE_FIRST == LLStartUp::getStartupState() )
 	{
+		static bool first_call = true;
+		if (first_call)
+		{
+			// Other phases get handled when startup state changes,
+			// need to capture the initial state as well.
+			LLStartUp::getPhases().startPhase(LLStartUp::getStartupStateString());
+			first_call = false;
+		}
+
 		gViewerWindow->showCursor(); 
 		gViewerWindow->getWindow()->setCursor(UI_CURSOR_WAIT);

@ -2708,9 +2717,10 @@ void LLStartUp::setStartupState( EStartupState state )
 		getStartupStateString() << " to " <<  
 		startupStateToString(state) << LL_ENDL;

-	sPhases->stopPhase(getStartupStateString());
+	getPhases().stopPhase(getStartupStateString());
 	gStartupState = state;
-	sPhases->startPhase(getStartupStateString());
+	getPhases().startPhase(getStartupStateString());
+
 	postStartupState();
 }

--- a/indra/newview/llstartup.h
+++ b/indra/newview/llstartup.h
--- a/indra/newview/lltexturecache.cpp
+++ b/indra/newview/lltexturecache.cpp
@ -50,6 +50,8 @@
 const S32 TEXTURE_CACHE_ENTRY_SIZE = FIRST_PACKET_SIZE;//1024;
 const F32 TEXTURE_CACHE_PURGE_AMOUNT = .20f; // % amount to reduce the cache by when it exceeds its limit
 const F32 TEXTURE_CACHE_LRU_SIZE = .10f; // % amount for LRU list (low overhead to regenerate)
+const S32 TEXTURE_FAST_CACHE_ENTRY_OVERHEAD = sizeof(S32) * 4; //w, h, c, level
+const S32 TEXTURE_FAST_CACHE_ENTRY_SIZE = 16 * 16 * 4 + TEXTURE_FAST_CACHE_ENTRY_OVERHEAD;

 class LLTextureCacheWorker : public LLWorkerClass
 {
@ -283,9 +285,12 @@ public:
 	LLTextureCacheRemoteWorker(LLTextureCache* cache, U32 priority, const LLUUID& id,
 						 U8* data, S32 datasize, S32 offset,
 						 S32 imagesize, // for writes
+						 LLPointer<LLImageRaw> raw, S32 discardlevel,
 						 LLTextureCache::Responder* responder) 
 			: LLTextureCacheWorker(cache, priority, id, data, datasize, offset, imagesize, responder),
-			mState(INIT)
+			mState(INIT),
+			mRawImage(raw),
+			mRawDiscardLevel(discardlevel)
 	{
 	}

@ -303,6 +308,8 @@ private:
 	};

 	e_state mState;
+	LLPointer<LLImageRaw> mRawImage;
+	S32 mRawDiscardLevel;
 };


@ -559,6 +566,11 @@ bool LLTextureCacheRemoteWorker::doWrite()
 		if(idx < 0)
 		{
 			idx = mCache->setHeaderCacheEntry(mID, entry, mImageSize, mDataSize); // create the new entry.
+			if(idx >= 0)
+			{
+				//write to the fast cache.
+				llassert_always(mCache->writeToFastCache(idx, mRawImage, mRawDiscardLevel));
+			}
 		}
 		else
 		{
@ -658,6 +670,7 @@ bool LLTextureCacheRemoteWorker::doWrite()
 		// Nothing else to do at that point...
 		done = true;
 	}
+	mRawImage = NULL;

 	// Clean up and exit
 	return done;
@ -744,10 +757,14 @@ LLTextureCache::LLTextureCache(bool threaded)
 	  mWorkersMutex(NULL),
 	  mHeaderMutex(NULL),
 	  mListMutex(NULL),
+	  mFastCacheMutex(NULL),
 	  mHeaderAPRFile(NULL),
 	  mReadOnly(TRUE), //do not allow to change the texture cache until setReadOnly() is called.
 	  mTexturesSizeTotal(0),
-	  mDoPurge(FALSE)
+	  mDoPurge(FALSE),
+	  mFastCachep(NULL),
+	  mFastCachePoolp(NULL),
+	  mFastCachePadBuffer(NULL)
 {
 }

@ -755,6 +772,9 @@ LLTextureCache::~LLTextureCache()
 {
 	clearDeleteList() ;
 	writeUpdatedEntries() ;
+	delete mFastCachep;
+	delete mFastCachePoolp;
+	FREE_MEM(LLImageBase::getPrivatePool(), mFastCachePadBuffer);
 }

 //////////////////////////////////////////////////////////////////////////////
@ -879,15 +899,15 @@ BOOL LLTextureCache::isInLocal(const LLUUID& id)
 //////////////////////////////////////////////////////////////////////////////

 //static
-const S32 MAX_REASONABLE_FILE_SIZE = 512*1024*1024; // 512 MB
-F32 LLTextureCache::sHeaderCacheVersion = 1.4f;
-U32 LLTextureCache::sCacheMaxEntries = MAX_REASONABLE_FILE_SIZE / TEXTURE_CACHE_ENTRY_SIZE;
+F32 LLTextureCache::sHeaderCacheVersion = 1.7f;
+U32 LLTextureCache::sCacheMaxEntries = 1024 * 1024; //~1 million textures.
 S64 LLTextureCache::sCacheMaxTexturesSize = 0; // no limit
 const char* entries_filename = "texture.entries";
 const char* cache_filename = "texture.cache";
 const char* old_textures_dirname = "textures";
 //change the location of the texture cache to prevent from being deleted by old version viewers.
 const char* textures_dirname = "texturecache";
+const char* fast_cache_filename = "FastCache.cache";

 void LLTextureCache::setDirNames(ELLPath location)
 {
@ -896,6 +916,7 @@ void LLTextureCache::setDirNames(ELLPath location)
 	mHeaderEntriesFileName = gDirUtilp->getExpandedFilename(location, textures_dirname, entries_filename);
 	mHeaderDataFileName = gDirUtilp->getExpandedFilename(location, textures_dirname, cache_filename);
 	mTexturesDirName = gDirUtilp->getExpandedFilename(location, textures_dirname);
+	mFastCacheFileName =  gDirUtilp->getExpandedFilename(location, textures_dirname, fast_cache_filename);
 }

 void LLTextureCache::purgeCache(ELLPath location)
@ -938,8 +959,8 @@ S64 LLTextureCache::initCache(ELLPath location, S64 max_size, BOOL texture_cache
 {
 	llassert_always(getPending() == 0) ; //should not start accessing the texture cache before initialized.

-	S64 header_size = (max_size * 2) / 10;
-	S64 max_entries = header_size / TEXTURE_CACHE_ENTRY_SIZE;
+	S64 header_size = (max_size / 100) * 36; //0.36 * max_size
+	S64 max_entries = header_size / (TEXTURE_CACHE_ENTRY_SIZE + TEXTURE_FAST_CACHE_ENTRY_SIZE);
 	sCacheMaxEntries = (S32)(llmin((S64)sCacheMaxEntries, max_entries));
 	header_size = sCacheMaxEntries * TEXTURE_CACHE_ENTRY_SIZE;
 	max_size -= header_size;
@ -981,6 +1002,7 @@ S64 LLTextureCache::initCache(ELLPath location, S64 max_size, BOOL texture_cache
 	purgeTextures(true); // calc mTexturesSize and make some room in the texture cache if we need it

 	llassert_always(getPending() == 0) ; //should not start accessing the texture cache before initialized.
+	openFastCache(true);

 	return max_size; // unused cache space
 }
@ -1751,7 +1773,7 @@ LLTextureCache::handle_t LLTextureCache::readFromCache(const LLUUID& id, U32 pri
 	LLMutexLock lock(&mWorkersMutex);
 	LLTextureCacheWorker* worker = new LLTextureCacheRemoteWorker(this, priority, id,
 																  NULL, size, offset,
-																  0, responder);
+																  0, NULL, 0, responder);
 	handle_t handle = worker->read();
 	mReaders[handle] = worker;
 	return handle;
@ -1789,6 +1811,7 @@ bool LLTextureCache::readComplete(handle_t handle, bool abort)

 LLTextureCache::handle_t LLTextureCache::writeToCache(const LLUUID& id, U32 priority,
 													  U8* data, S32 datasize, S32 imagesize,
+													  LLPointer<LLImageRaw> rawimage, S32 discardlevel,
 													  WriteResponder* responder)
 {
 	if (mReadOnly)
@ -1807,12 +1830,159 @@ LLTextureCache::handle_t LLTextureCache::writeToCache(const LLUUID& id, U32 prio
 	LLMutexLock lock(&mWorkersMutex);
 	LLTextureCacheWorker* worker = new LLTextureCacheRemoteWorker(this, priority, id,
 																  data, datasize, 0,
-																  imagesize, responder);
+																  imagesize, rawimage, discardlevel, responder);
 	handle_t handle = worker->write();
 	mWriters[handle] = worker;
 	return handle;
 }

+//called in the main thread
+LLPointer<LLImageRaw> LLTextureCache::readFromFastCache(const LLUUID& id, S32& discardlevel)
+{
+	U32 offset;
+	{
+		LLMutexLock lock(&mHeaderMutex);
+		id_map_t::const_iterator iter = mHeaderIDMap.find(id);
+		if(iter == mHeaderIDMap.end())
+		{
+			return NULL; //not in the cache
+		}
+
+		offset = iter->second;
+	}
+	offset *= TEXTURE_FAST_CACHE_ENTRY_SIZE;
+
+	U8* data;
+	S32 head[4];
+	{
+		LLMutexLock lock(&mFastCacheMutex);
+
+		openFastCache();
+
+		mFastCachep->seek(APR_SET, offset);		
+	
+		llassert_always(mFastCachep->read(head, TEXTURE_FAST_CACHE_ENTRY_OVERHEAD) == TEXTURE_FAST_CACHE_ENTRY_OVERHEAD);
+		
+		S32 image_size = head[0] * head[1] * head[2];
+		if(!image_size) //invalid
+		{
+			closeFastCache();
+			return NULL;
+		}
+		discardlevel = head[3];
+		
+		data =  (U8*)ALLOCATE_MEM(LLImageBase::getPrivatePool(), image_size);
+		llassert_always(mFastCachep->read(data, image_size) == image_size);
+		closeFastCache();
+	}
+	LLPointer<LLImageRaw> raw = new LLImageRaw(data, head[0], head[1], head[2], true);
+
+	return raw;
+}
+
+//return the fast cache location
+bool LLTextureCache::writeToFastCache(S32 id, LLPointer<LLImageRaw> raw, S32 discardlevel)
+{
+	//rescale image if needed
+	S32 w, h, c;
+	w = raw->getWidth();
+	h = raw->getHeight();
+	c = raw->getComponents();
+	S32 i = 0 ;
+	
+	while(((w >> i) * (h >> i) * c) > TEXTURE_FAST_CACHE_ENTRY_SIZE - TEXTURE_FAST_CACHE_ENTRY_OVERHEAD)
+	{
+		++i ;
+	}
+		
+	if(i)
+	{
+		w >>= i;
+		h >>= i;
+		if(w * h *c > 0) //valid
+		{
+			LLPointer<LLImageRaw> newraw = new LLImageRaw(raw->getData(), raw->getWidth(), raw->getHeight(), raw->getComponents());
+			newraw->scale(w, h) ;
+			raw = newraw;
+
+			discardlevel += i ;
+		}
+	}
+	
+	//copy data
+	memcpy(mFastCachePadBuffer, &w, sizeof(S32));
+	memcpy(mFastCachePadBuffer + sizeof(S32), &h, sizeof(S32));
+	memcpy(mFastCachePadBuffer + sizeof(S32) * 2, &c, sizeof(S32));
+	memcpy(mFastCachePadBuffer + sizeof(S32) * 3, &discardlevel, sizeof(S32));
+	if(w * h * c > 0) //valid
+	{
+		memcpy(mFastCachePadBuffer + TEXTURE_FAST_CACHE_ENTRY_OVERHEAD, raw->getData(), w * h * c);
+	}
+	S32 offset = id * TEXTURE_FAST_CACHE_ENTRY_SIZE;
+
+	{
+		LLMutexLock lock(&mFastCacheMutex);
+
+		openFastCache();
+
+		mFastCachep->seek(APR_SET, offset);	
+		llassert_always(mFastCachep->write(mFastCachePadBuffer, TEXTURE_FAST_CACHE_ENTRY_SIZE) == TEXTURE_FAST_CACHE_ENTRY_SIZE);
+
+		closeFastCache(true);
+	}
+
+	return true;
+}
+
+void LLTextureCache::openFastCache(bool first_time)
+{
+	if(!mFastCachep)
+	{
+		if(first_time)
+		{
+			if(!mFastCachePadBuffer)
+			{
+				mFastCachePadBuffer = (U8*)ALLOCATE_MEM(LLImageBase::getPrivatePool(), TEXTURE_FAST_CACHE_ENTRY_SIZE);
+			}
+			mFastCachePoolp = new LLVolatileAPRPool();
+			if (LLAPRFile::isExist(mFastCacheFileName, mFastCachePoolp))
+			{
+				mFastCachep = new LLAPRFile(mFastCacheFileName, APR_READ|APR_WRITE|APR_BINARY, mFastCachePoolp) ;				
+			}
+			else
+			{
+				mFastCachep = new LLAPRFile(mFastCacheFileName, APR_CREATE|APR_READ|APR_WRITE|APR_BINARY, mFastCachePoolp) ;
+			}
+		}
+		else
+		{
+			mFastCachep = new LLAPRFile(mFastCacheFileName, APR_READ|APR_WRITE|APR_BINARY, mFastCachePoolp) ;
+		}
+
+		mFastCacheTimer.reset();
+	}
+	return;
+}
+	
+void LLTextureCache::closeFastCache(bool forced)
+{	
+	static const F32 timeout = 10.f ; //seconds
+
+	if(!mFastCachep)
+	{
+		return ;
+	}
+
+	if(!forced && mFastCacheTimer.getElapsedTimeF32() < timeout)
+	{
+		return ;
+	}
+
+	delete mFastCachep;
+	mFastCachep = NULL;
+	return;
+}
+	
 bool LLTextureCache::writeComplete(handle_t handle, bool abort)
 {
 	lockWorkers();
--- a/indra/newview/lltexturecache.h
+++ b/indra/newview/lltexturecache.h
@ -36,6 +36,7 @@

 class LLImageFormatted;
 class LLTextureCacheWorker;
+class LLImageRaw;

 class LLTextureCache : public LLWorkerThread
 {
@ -113,8 +114,9 @@ public:
 	handle_t readFromCache(const LLUUID& id, U32 priority, S32 offset, S32 size,
 						   ReadResponder* responder);
 	bool readComplete(handle_t handle, bool abort);
-	handle_t writeToCache(const LLUUID& id, U32 priority, U8* data, S32 datasize, S32 imagesize,
+	handle_t writeToCache(const LLUUID& id, U32 priority, U8* data, S32 datasize, S32 imagesize, LLPointer<LLImageRaw> rawimage, S32 discardlevel,
 						  WriteResponder* responder);
+	LLPointer<LLImageRaw> readFromFastCache(const LLUUID& id, S32& discardlevel);
 	bool writeComplete(handle_t handle, bool abort = false);
 	void prioritizeWrite(handle_t handle);

@ -171,12 +173,18 @@ private:
 	void lockHeaders() { mHeaderMutex.lock(); }
 	void unlockHeaders() { mHeaderMutex.unlock(); }
 	
+	void openFastCache(bool first_time = false);
+	void closeFastCache(bool forced = false);
+	bool writeToFastCache(S32 id, LLPointer<LLImageRaw> raw, S32 discardlevel);	
+
 private:
 	// Internal
 	LLMutex mWorkersMutex;
 	LLMutex mHeaderMutex;
 	LLMutex mListMutex;
+	LLMutex mFastCacheMutex;
 	LLAPRFile* mHeaderAPRFile;
+	LLVolatileAPRPool* mFastCachePoolp;
 	
 	typedef std::map<handle_t, LLTextureCacheWorker*> handle_map_t;
 	handle_map_t mReaders;
@ -193,12 +201,17 @@ private:
 	// HEADERS (Include first mip)
 	std::string mHeaderEntriesFileName;
 	std::string mHeaderDataFileName;
+	std::string mFastCacheFileName;
 	EntriesInfo mHeaderEntriesInfo;
 	std::set<S32> mFreeList; // deleted entries
 	std::set<LLUUID> mLRU;
-	typedef std::map<LLUUID,S32> id_map_t;
+	typedef std::map<LLUUID, S32> id_map_t;
 	id_map_t mHeaderIDMap;

+	LLAPRFile*   mFastCachep;
+	LLFrameTimer mFastCacheTimer;
+	U8*          mFastCachePadBuffer;
+
 	// BODIES (TEXTURES minus headers)
 	std::string mTexturesDirName;
 	typedef std::map<LLUUID,S32> size_map_t;
--- a/indra/newview/lltexturefetch.cpp
+++ b/indra/newview/lltexturefetch.cpp
--- a/indra/newview/lltexturefetch.h
+++ b/indra/newview/lltexturefetch.h
@ -65,6 +65,7 @@ public:
 	bool createRequest(const std::string& url, const LLUUID& id, const LLHost& host, F32 priority,
 					   S32 w, S32 h, S32 c, S32 discard, bool needs_aux, bool can_use_http);
 	void deleteRequest(const LLUUID& id, bool cancel);
+	void deleteAllRequests();
 	bool getRequestFinished(const LLUUID& id, S32& discard_level,
 							LLPointer<LLImageRaw>& raw, LLPointer<LLImageRaw>& aux);
 	bool updateRequestPriority(const LLUUID& id, F32 priority);
@ -81,8 +82,6 @@ public:
 					  U32& fetch_priority_p, F32& fetch_dtime_p, F32& request_dtime_p, bool& can_use_http);
 	void dump();
 	S32 getNumRequests() ;
-	S32 getNumHTTPRequests() ;
-	U32 getTotalNumHTTPRequests() ;
 	
 	// Public for access by callbacks
    S32 getPending();
@ -101,7 +100,7 @@ public:
 							LLViewerAssetStats * main_stats);
 	void commandDataBreak();

-	LLCurlRequest & getCurlRequest()	{ return *mCurlGetRequest; }
+	LLCurlTextureRequest & getCurlRequest()	{ return *mCurlGetRequest; }

 	bool isQAMode() const				{ return mQAMode; }

@ -113,7 +112,6 @@ protected:
 	void addToNetworkQueue(LLTextureFetchWorker* worker);
 	void removeFromNetworkQueue(LLTextureFetchWorker* worker, bool cancel);
 	void addToHTTPQueue(const LLUUID& id);
-	void removeFromHTTPQueue(const LLUUID& id, S32 received_size = 0);
 	void removeRequest(LLTextureFetchWorker* worker, bool cancel);

 	// Overrides from the LLThread tree
@ -172,8 +170,8 @@ private:

 	LLTextureCache* mTextureCache;
 	LLImageDecodeThread* mImageDecodeThread;
-	LLCurlRequest* mCurlGetRequest;
-	
+	LLCurlTextureRequest* mCurlGetRequest;
+
 	// Map of all requests by UUID
 	typedef std::map<LLUUID,LLTextureFetchWorker*> map_t;
 	map_t mRequestMap;
@ -188,11 +186,6 @@ private:
 	F32 mMaxBandwidth;
 	LLTextureInfo mTextureInfo;

-	U32 mHTTPTextureBits;
-
-	//debug use
-	U32 mTotalHTTPRequests ;
-
 	// Out-of-band cross-thread command queue.  This command queue
 	// is logically tied to LLQueuedThread's list of
 	// QueuedRequest instances and so must be covered by the
@ -216,18 +209,34 @@ public:
 	// reporting due to either startup or a problem POSTing data.
 	static volatile bool svMetricsDataBreak;

+public:
+	//debug use
+	enum e_tex_source
+	{
+		FROM_ALL = 0,
+		FROM_HTTP_ONLY,
+		INVALID_SOURCE
+	};
 private:
 	//debug use
 	LLTextureFetchDebugger* mFetchDebugger;
 	bool mFetcherLocked;
+	
+	e_tex_source mFetchSource;
+	e_tex_source mOriginFetchSource;

 public:
 	//debug use
 	LLTextureFetchDebugger* getFetchDebugger() { return mFetchDebugger;}
 	void lockFetcher(bool lock) { mFetcherLocked = lock;}
+
+	void setLoadSource(e_tex_source source) {mFetchSource = source;}
+	void resetLoadSource() {mFetchSource = mOriginFetchSource;}
+	bool canLoadFromCache() { return mFetchSource != FROM_HTTP_ONLY;}
 };

 //debug use
+class LLViewerFetchedTexture;
 class LLTextureFetchDebugger
 {
 	friend class LLTextureFetch;
@ -239,6 +248,7 @@ public:
 	enum e_debug_state
 	{
 		IDLE = 0,
+		START_DEBUG,
 		READ_CACHE,
 		WRITE_CACHE,
 		DECODING,
@ -301,13 +311,15 @@ private:
 	F32 mTotalFetchingTime;
 	F32 mRefetchVisCacheTime;
 	F32 mRefetchVisHTTPTime;
+	F32 mRefetchAllCacheTime;
+	F32 mRefetchAllHTTPTime;

 	LLTimer mTimer;
 	
 	LLTextureFetch* mFetcher;
 	LLTextureCache* mTextureCache;
 	LLImageDecodeThread* mImageDecodeThread;
-	LLCurlRequest* mCurlGetRequest;
+	LLCurlTextureRequest* mCurlGetRequest;
 	
 	S32 mNumFetchedTextures;
 	S32 mNumCacheHits;
@ -321,34 +333,39 @@ private:
 	U32 mRenderedDecodedData;
 	U32 mFetchedPixels;
 	U32 mRenderedPixels;
-	U32 mRefetchedData;
-	U32 mRefetchedPixels;
+	U32 mRefetchedVisData;
+	U32 mRefetchedVisPixels;
+	U32 mRefetchedAllData;
+	U32 mRefetchedAllPixels;

 	BOOL mFreezeHistory;
+	BOOL mStopDebug;
+	BOOL mClearHistory;
+	BOOL mRefetchNonVis;

 	std::string mHTTPUrl;
 	S32 mNbCurlRequests;
 	S32 mNbCurlCompleted;

+	std::map< LLPointer<LLViewerFetchedTexture>, std::vector<S32> > mRefetchList;
+	std::vector< LLPointer<LLViewerFetchedTexture> > mTempTexList;
+	S32 mTempIndex;
+	S32 mHistoryListIndex;
+
 public:
-	bool update(); //called in the main thread once per frame
+	bool update(F32 max_time); //called in the main thread once per frame

 	//fetching history
 	void clearHistory();
 	void addHistoryEntry(LLTextureFetchWorker* worker);
 	
-	void setCurlGetRequest(LLCurlRequest* request) { mCurlGetRequest = request;}
-	
-	void startDebug();
-	void stopDebug(); //stop everything
-	void debugCacheRead();
-	void debugCacheWrite();	
-	void debugHTTP();
-	void debugDecoder();
-	void debugGLTextureCreation();
-	void debugRefetchVisibleFromCache();
-	void debugRefetchVisibleFromHTTP();
+	void setCurlGetRequest(LLCurlTextureRequest* request) { mCurlGetRequest = request;}
+	LLCurlTextureRequest* getCurlGetRequest() { return mCurlGetRequest;}

+	void startWork(e_debug_state state);
+	void setStopDebug() {mStopDebug = TRUE;}
+	void tryToStopDebug(); //stop everything
+	
 	void callbackCacheRead(S32 id, bool success, LLImageFormatted* image,
 						   S32 imagesize, BOOL islocal);
 	void callbackCacheWrite(S32 id, bool success);
@ -372,8 +389,10 @@ public:
 	U32  getRenderedDecodedData()        {return mRenderedDecodedData;}
 	U32  getFetchedPixels()              {return mFetchedPixels;}
 	U32  getRenderedPixels()             {return mRenderedPixels;}
-	U32  getRefetchedData()              {return mRefetchedData;}
-	U32  getRefetchedPixels()            {return mRefetchedPixels;}
+	U32  getRefetchedVisData()              {return mRefetchedVisData;}
+	U32  getRefetchedVisPixels()            {return mRefetchedVisPixels;}
+	U32  getRefetchedAllData()              {return mRefetchedAllData;}
+	U32  getRefetchedAllPixels()            {return mRefetchedAllPixels;}

 	F32  getCacheReadTime()     {return mCacheReadTime;}
 	F32  getCacheWriteTime()    {return mCacheWriteTime;}
@ -383,11 +402,15 @@ public:
 	F32  getTotalFetchingTime() {return mTotalFetchingTime;}
 	F32  getRefetchVisCacheTime() {return mRefetchVisCacheTime;}
 	F32  getRefetchVisHTTPTime()  {return mRefetchVisHTTPTime;}
+	F32  getRefetchAllCacheTime() {return mRefetchAllCacheTime;}
+	F32  getRefetchAllHTTPTime()  {return mRefetchAllHTTPTime;}

 private:
 	void init();
 	void clearTextures();//clear fetching results of all textures.
 	void clearCache();
+	void makeRefetchList();
+	void scanRefetchList();

 	void lockFetcher();
 	void unlockFetcher();
@ -400,6 +423,20 @@ private:
 	
 	S32 fillCurlQueue();

+	void startDebug();
+	void debugCacheRead();
+	void debugCacheWrite();	
+	void debugHTTP();
+	void debugDecoder();
+	void debugGLTextureCreation();
+	void debugRefetchVisibleFromCache();
+	void debugRefetchVisibleFromHTTP();
+	void debugRefetchAllFromCache();
+	void debugRefetchAllFromHTTP();
+
+	bool processStartDebug(F32 max_time);
+	bool processGLCreation(F32 max_time);
+
 private:
 	static bool sDebuggerEnabled;
 public:
--- a/indra/newview/lltextureview.cpp
+++ b/indra/newview/lltextureview.cpp
@ -514,7 +514,7 @@ void LLGLTexMemBar::draw()
 	S32 v_offset = 0;//(S32)((texture_bar_height + 2.2f) * mTextureView->mNumTextureBars + 2.0f);
 	F32 total_texture_downloaded = (F32)gTotalTextureBytes / (1024 * 1024);
 	F32 total_object_downloaded = (F32)gTotalObjectBytes / (1024 * 1024);
-	U32 total_http_requests = LLAppViewer::getTextureFetch()->getTotalNumHTTPRequests() ;
+	U32 total_http_requests = LLAppViewer::getTextureFetch()->getCurlRequest().getTotalIssuedRequests() ;
 	//----------------------------------------------------------------------------
 	LLGLSUIDefault gls_ui;
 	LLColor4 text_color(1.f, 1.f, 1.f, 0.75f);
@ -552,7 +552,7 @@ void LLGLTexMemBar::draw()
 					LLAppViewer::getTextureCache()->getNumReads(), LLAppViewer::getTextureCache()->getNumWrites(),
 					LLLFSThread::sLocal->getPending(),
 					LLImageRaw::sRawImageCount,
-					LLAppViewer::getTextureFetch()->getNumHTTPRequests(),
+					LLAppViewer::getTextureFetch()->getCurlRequest().getNumRequests(),
 					LLAppViewer::getImageDecodeThread()->getPending(), 
 					gTextureList.mCreateTextureList.size());

--- a/indra/newview/llviewerassetstats.cpp
+++ b/indra/newview/llviewerassetstats.cpp
--- a/indra/newview/llviewerassetstats.h
+++ b/indra/newview/llviewerassetstats.h
--- a/indra/newview/llviewerinventory.cpp
+++ b/indra/newview/llviewerinventory.cpp
--- a/indra/newview/llviewerjointmesh.cpp
+++ b/indra/newview/llviewerjointmesh.cpp
--- a/indra/newview/llviewerjointmesh.h
+++ b/indra/newview/llviewerjointmesh.h
--- a/indra/newview/llviewerstats.cpp
+++ b/indra/newview/llviewerstats.cpp
@ -945,15 +945,8 @@ LLSD LLViewerStats::PhaseMap::dumpPhases()
 	for (phase_map_t::iterator iter = mPhaseMap.begin(); iter != mPhaseMap.end(); ++iter)
 	{
 		const std::string& phase_name = iter->first;
-		result[phase_name]["completed"] = !(iter->second.getStarted());
+		result[phase_name]["completed"] = LLSD::Integer(!(iter->second.getStarted()));
 		result[phase_name]["elapsed"] = iter->second.getElapsedTimeF32();
-#if 0 // global stats for each phase seem like overkill here
-		phase_stats_t::iterator stats_iter = sPhaseStats.find(phase_name);
-		if (stats_iter != sPhaseStats.end())
-		{
-			result[phase_name]["stats"] = stats_iter->second.getData();
-		}
-#endif
 	}
 	return result;
 }
--- a/indra/newview/llviewerstats.h
+++ b/indra/newview/llviewerstats.h
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@ -62,6 +62,7 @@
 #include "llmediaentry.h"
 #include "llvovolume.h"
 #include "llviewermedia.h"
+#include "lltexturecache.h"
 ///////////////////////////////////////////////////////////////////////////////

 // statics
@ -409,7 +410,11 @@ void LLViewerTextureManager::cleanup()
 void LLViewerTexture::initClass()
 {
 	LLImageGL::sDefaultGLTexture = LLViewerFetchedTexture::sDefaultImagep->getGLTexture() ;
-	sTexelPixelRatio = gSavedSettings.getF32("TexelPixelRatio");
+	
+	if(gSavedSettings.getBOOL("TextureFetchDebuggerEnabled"))
+	{
+		sTexelPixelRatio = gSavedSettings.getF32("TexelPixelRatio");
+	}
 }

 // static
@ -1236,7 +1241,7 @@ void LLViewerFetchedTexture::init(bool firstinit)
 	mIsMissingAsset = FALSE;

 	mLoadedCallbackDesiredDiscardLevel = S8_MAX;
-	mPauseLoadedCallBacks = TRUE ;
+	mPauseLoadedCallBacks = FALSE ;

 	mNeedsCreateTexture = FALSE;
 	
@ -1253,6 +1258,7 @@ void LLViewerFetchedTexture::init(bool firstinit)
 	mRequestDeltaTime = 0.f;
 	mForSculpt = FALSE ;
 	mIsFetched = FALSE ;
+	mInFastCacheList = FALSE;

 	mCachedRawImage = NULL ;
 	mCachedRawDiscardLevel = -1 ;
@ -1266,6 +1272,8 @@ void LLViewerFetchedTexture::init(bool firstinit)
 	mLastReferencedSavedRawImageTime = 0.0f ;
 	mKeptSavedRawImageTime = 0.f ;
 	mLastCallBackActiveTime = 0.f;
+
+	mInDebug = FALSE;
 }

 LLViewerFetchedTexture::~LLViewerFetchedTexture()
@ -1310,14 +1318,47 @@ void LLViewerFetchedTexture::cleanup()
 	mSavedRawDiscardLevel = -1;
 }

+//access the fast cache
+void LLViewerFetchedTexture::loadFromFastCache()
+{
+	if(!mInFastCacheList)
+	{
+		return; //no need to access the fast cache.
+	}
+	mInFastCacheList = FALSE;
+
+	mRawImage = LLAppViewer::getTextureCache()->readFromFastCache(getID(), mRawDiscardLevel) ;
+	if(mRawImage.notNull())
+	{
+		mFullWidth = mRawImage->getWidth() << mRawDiscardLevel;
+		mFullHeight = mRawImage->getHeight() << mRawDiscardLevel;
+		setTexelsPerImage();
+
+		if(mFullWidth > MAX_IMAGE_SIZE || mFullHeight > MAX_IMAGE_SIZE)
+		{ 
+			//discard all oversized textures.
+			destroyRawImage();
+			setIsMissingAsset();
+			mRawDiscardLevel = INVALID_DISCARD_LEVEL ;
+		}
+		else
+		{
+			mRequestedDiscardLevel = mDesiredDiscardLevel + 1;
+			mIsRawImageValid = TRUE;			
+			addToCreateTexture() ;
+		}
+	}
+}
+
 void LLViewerFetchedTexture::setForSculpt()
 {
 	static const S32 MAX_INTERVAL = 8 ; //frames

 	mForSculpt = TRUE ;
-	if(isForSculptOnly() && !getBoundRecently())
+	if(isForSculptOnly() && hasGLTexture() && !getBoundRecently())
 	{
 		destroyGLTexture() ; //sculpt image does not need gl texture.
+		mTextureState = ACTIVE;
 	}
 	checkCachedRawSculptImage() ;
 	setMaxVirtualSizeResetInterval(MAX_INTERVAL) ;
@ -1735,7 +1776,7 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 		S32 ddiscard = MAX_DISCARD_LEVEL - (S32)desired;
 		ddiscard = llclamp(ddiscard, 0, MAX_DELTA_DISCARD_LEVEL_FOR_PRIORITY);
 		priority = (ddiscard + 1) * PRIORITY_DELTA_DISCARD_LEVEL_FACTOR;
-		setAdditionalDecodePriority(1.0f) ;//boost the textures without any data so far.
+		setAdditionalDecodePriority(0.1f) ;//boost the textures without any data so far.
 	}
 	else if ((mMinDiscardLevel > 0) && (cur_discard <= mMinDiscardLevel))
 	{
@ -1836,8 +1877,6 @@ F32 LLViewerFetchedTexture::maxDecodePriority()

 void LLViewerFetchedTexture::setDecodePriority(F32 priority)
 {
-	llassert(!mInImageList); 
-    
 	mDecodePriority = priority;

 	if(mDecodePriority < F_ALMOST_ZERO)
@ -1898,6 +1937,20 @@ S32 LLViewerFetchedTexture::getCurrentDiscardLevelForFetching()
 	return current_discard ;
 }

+bool LLViewerFetchedTexture::setDebugFetching(S32 debug_level)
+{
+	if(debug_level < 0)
+	{
+		mInDebug = FALSE;
+		return false;
+	}
+	mInDebug = TRUE;
+
+	mDesiredDiscardLevel = debug_level;	
+
+	return true;
+}
+
 bool LLViewerFetchedTexture::updateFetch()
 {
 	static LLCachedControl<bool> textures_decode_disabled(gSavedSettings,"TextureDecodeDisabled");
@ -1935,6 +1988,10 @@ bool LLViewerFetchedTexture::updateFetch()
 	{
 		return false; // process any raw image data in callbacks before replacing
 	}
+	if(mInFastCacheList)
+	{
+		return false;
+	}
 	
 	S32 current_discard = getCurrentDiscardLevelForFetching() ;
 	S32 desired_discard = getDesiredDiscardLevel();
@ -2052,6 +2109,10 @@ bool LLViewerFetchedTexture::updateFetch()
 	{
 		make_request = false;
 	}
+	else if(mDesiredDiscardLevel > getMaxDiscardLevel())
+	{
+		make_request = false;
+	}
 	else if (mNeedsCreateTexture || mIsMissingAsset)
 	{
 		make_request = false;
@ -2060,6 +2121,11 @@ bool LLViewerFetchedTexture::updateFetch()
 	{
 		make_request = false;
 	}
+	else if(mCachedRawImage.notNull() && (current_discard < 0 || current_discard > mCachedRawDiscardLevel))
+	{
+		make_request = false;
+		switchToCachedImage() ; //use the cached raw data first
+	}
 	//else if (!isJustBound() && mCachedRawImageReady)
 	//{
 	//	make_request = false;
@ -2152,7 +2218,10 @@ bool LLViewerFetchedTexture::updateFetch()

 void LLViewerFetchedTexture::clearFetchedResults()
 {
-	llassert_always(!mNeedsCreateTexture && !mIsFetching);
+	if(mNeedsCreateTexture || mIsFetching)
+	{
+		return ;
+	}
 	
 	cleanup();
 	destroyGLTexture();
@ -2167,11 +2236,13 @@ void LLViewerFetchedTexture::forceToDeleteRequest()
 {
 	if (mHasFetcher)
 	{
-		LLAppViewer::getTextureFetch()->deleteRequest(getID(), true);
 		mHasFetcher = FALSE;
 		mIsFetching = FALSE ;
-		resetTextureStats();
 	}
+		
+	resetTextureStats();
+
+	mDesiredDiscardLevel = getMaxDiscardLevel() + 1;
 }

 void LLViewerFetchedTexture::setIsMissingAsset()
@ -2214,10 +2285,18 @@ void LLViewerFetchedTexture::setLoadedCallback( loaded_callback_func loaded_call
 		mLoadedCallbackDesiredDiscardLevel = llmin(mLoadedCallbackDesiredDiscardLevel, (S8)discard_level) ;
 	}

-	if(mPauseLoadedCallBacks && !pause)
+	if(mPauseLoadedCallBacks)
 	{
-		unpauseLoadedCallbacks(src_callback_list) ;
+		if(!pause)
+		{
+			unpauseLoadedCallbacks(src_callback_list) ;
+		}
 	}
+	else if(pause)
+	{
+		pauseLoadedCallbacks(src_callback_list) ;
+	}
+
 	LLLoadedCallbackEntry* entryp = new LLLoadedCallbackEntry(loaded_callback, discard_level, keep_imageraw, userdata, src_callback_list, this, pause);
 	mLoadedCallbackList.push_back(entryp);	

--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@ -436,6 +436,8 @@ public:
 	void setMinDiscardLevel(S32 discard) 	{ mMinDesiredDiscardLevel = llmin(mMinDesiredDiscardLevel,(S8)discard); }

 	bool updateFetch();
+	bool setDebugFetching(S32 debug_level);
+	bool isInDebug() {return mInDebug;}
 	
 	void clearFetchedResults(); //clear all fetched results, for debug use.

@ -498,6 +500,9 @@ public:
 	void        setCanUseHTTP(bool can_use_http) {mCanUseHTTP = can_use_http;}

 	void        forceToDeleteRequest();
+	void        loadFromFastCache();
+	void        setInFastCacheList(bool in_list) { mInFastCacheList = in_list; }
+	bool        isInFastCacheList() { return mInFastCacheList; }
 protected:
 	/*virtual*/ void switchToCachedImage();
 	S32 getCurrentDiscardLevelForFetching() ;
@ -516,6 +521,8 @@ private:

 private:
 	BOOL  mFullyLoaded;
+	BOOL  mInDebug;
+	BOOL  mInFastCacheList;

 protected:		
 	std::string mLocalFileName;
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@ -58,7 +58,7 @@
 #include "pipeline.h"
 #include "llappviewer.h"
 #include "llxuiparser.h"
-#include "llagent.h"
+#include "llviewerdisplay.h"

 ////////////////////////////////////////////////////////////////////////////

@ -276,6 +276,7 @@ void LLViewerTextureList::shutdown()
 	// Flush all of the references
 	mLoadingStreamList.clear();
 	mCreateTextureList.clear();
+	mFastCacheList.clear();
 	
 	mUUIDMap.clear();
 	
@ -453,6 +454,8 @@ LLViewerFetchedTexture* LLViewerTextureList::createImage(const LLUUID &image_id,
 												   LLGLenum primary_format,
 												   LLHost request_from_host)
 {
+	static LLCachedControl<bool> fast_cache_fetching_enabled(gSavedSettings, "FastCacheFetchEnabled");
+
 	LLPointer<LLViewerFetchedTexture> imagep ;
 	switch(texture_type)
 	{
@ -490,6 +493,11 @@ LLViewerFetchedTexture* LLViewerTextureList::createImage(const LLUUID &image_id,
 		imagep->forceActive() ;
 	}

+	if(fast_cache_fetching_enabled)
+	{
+		mFastCacheList.insert(imagep);
+		imagep->setInFastCacheList(true);
+	}
 	return imagep ;
 }

@ -503,6 +511,7 @@ LLViewerFetchedTexture *LLViewerTextureList::findImage(const LLUUID &image_id)

 void LLViewerTextureList::addImageToList(LLViewerFetchedTexture *image)
 {
+	assert_main_thread();
 	llassert_always(mInitialized) ;
 	llassert(image);
 	if (image->isInImageList())
@ -519,6 +528,7 @@ void LLViewerTextureList::addImageToList(LLViewerFetchedTexture *image)

 void LLViewerTextureList::removeImageFromList(LLViewerFetchedTexture *image)
 {
+	assert_main_thread();
 	llassert_always(mInitialized) ;
 	llassert(image);
 	if (!image->isInImageList())
@ -593,16 +603,24 @@ static LLFastTimer::DeclareTimer FTM_IMAGE_MARK_DIRTY("Dirty Images");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_PRIORITIES("Prioritize");
 static LLFastTimer::DeclareTimer FTM_IMAGE_CALLBACKS("Callbacks");
 static LLFastTimer::DeclareTimer FTM_IMAGE_FETCH("Fetch");
+static LLFastTimer::DeclareTimer FTM_FAST_CACHE_IMAGE_FETCH("Fast Cache Fetch");
 static LLFastTimer::DeclareTimer FTM_IMAGE_CREATE("Create");
 static LLFastTimer::DeclareTimer FTM_IMAGE_STATS("Stats");

 void LLViewerTextureList::updateImages(F32 max_time)
 {
-	if(gAgent.getTeleportState() != LLAgent::TELEPORT_NONE)
+	static BOOL cleared = FALSE;
+	if(gTeleportDisplay)
 	{
-		clearFetchingRequests();
+		if(!cleared)
+		{
+			clearFetchingRequests();
+			gPipeline.clearRebuildGroups();
+			cleared = TRUE;
+		}
 		return;
 	}
+	cleared = FALSE;

 	LLAppViewer::getTextureFetch()->setTextureBandwidth(LLViewerStats::getInstance()->mTextureKBitStat.getMeanPerSec());

@ -613,6 +631,11 @@ void LLViewerTextureList::updateImages(F32 max_time)
 	LLViewerStats::getInstance()->mRawMemStat.addValue((F32)BYTES_TO_MEGA_BYTES(LLImageRaw::sGlobalRawMemory));
 	LLViewerStats::getInstance()->mFormattedMemStat.addValue((F32)BYTES_TO_MEGA_BYTES(LLImageFormatted::sGlobalFormattedMemory));

+	{
+		//loading from fast cache 
+		LLFastTimer t(FTM_FAST_CACHE_IMAGE_FETCH);
+		max_time -= updateImagesLoadingFastCache(max_time);
+	}

 	{
 		LLFastTimer t(FTM_IMAGE_UPDATE_PRIORITIES);
@ -673,14 +696,13 @@ void LLViewerTextureList::clearFetchingRequests()
 		return;
 	}

+	LLAppViewer::getTextureFetch()->deleteAllRequests();
+
 	for (image_priority_list_t::iterator iter = mImageList.begin();
 		 iter != mImageList.end(); ++iter)
 	{
-		LLViewerFetchedTexture* image = *iter;
-		if(image->hasFetcher())
-		{
-			image->forceToDeleteRequest() ;
-		}
+		LLViewerFetchedTexture* imagep = *iter;
+		imagep->forceToDeleteRequest() ;
 	}
 }

@ -688,10 +710,11 @@ void LLViewerTextureList::updateImagesDecodePriorities()
 {
 	// Update the decode priority for N images each frame
 	{
-		const size_t max_update_count = llmin((S32) (1024*gFrameIntervalSeconds) + 1, 32); //target 1024 textures per second
-		S32 update_counter = llmin(max_update_count, mUUIDMap.size()/10);
+        static const S32 MAX_PRIO_UPDATES = gSavedSettings.getS32("TextureFetchUpdatePriorities");         // default: 32
+		const size_t max_update_count = llmin((S32) (MAX_PRIO_UPDATES*MAX_PRIO_UPDATES*gFrameIntervalSeconds) + 1, MAX_PRIO_UPDATES);
+		S32 update_counter = llmin(max_update_count, mUUIDMap.size());
 		uuid_map_t::iterator iter = mUUIDMap.upper_bound(mLastUpdateUUID);
-		while(update_counter > 0 && !mUUIDMap.empty())
+		while ((update_counter-- > 0) && !mUUIDMap.empty())
 		{
 			if (iter == mUUIDMap.end())
 			{
@ -699,7 +722,13 @@ void LLViewerTextureList::updateImagesDecodePriorities()
 			}
 			mLastUpdateUUID = iter->first;
 			LLPointer<LLViewerFetchedTexture> imagep = iter->second;
-			++iter; // safe to incrament now
+			++iter; // safe to increment now
+
+			if(imagep->isInDebug())
+			{
+				update_counter--;
+				continue; //is in debug, ignore.
+			}

 			//
 			// Flush formatted images using a lazy flush
@ -754,7 +783,16 @@ void LLViewerTextureList::updateImagesDecodePriorities()
 					imagep->setInactive() ;										
 				}
 			}
-			
+
+			if (!imagep->isInImageList())
+			{
+				continue;
+			}
+			if(imagep->isInFastCacheList())
+			{
+				continue; //wait for loading from the fast cache.
+			}
+
 			imagep->processTextureStats();
 			F32 old_priority = imagep->getDecodePriority();
 			F32 old_priority_test = llmax(old_priority, 0.0f);
@ -764,15 +802,35 @@ void LLViewerTextureList::updateImagesDecodePriorities()
 			if ((decode_priority_test < old_priority_test * .8f) ||
 				(decode_priority_test > old_priority_test * 1.25f))
 			{
-				removeImageFromList(imagep);
+				mImageList.erase(imagep) ;
 				imagep->setDecodePriority(decode_priority);
-				addImageToList(imagep);
+				mImageList.insert(imagep);
 			}
-			update_counter--;
 		}
 	}
 }

+void LLViewerTextureList::setDebugFetching(LLViewerFetchedTexture* tex, S32 debug_level)
+{
+	if(!tex->setDebugFetching(debug_level))
+	{
+		return;
+	}
+
+	const F32 DEBUG_PRIORITY = 100000.f;
+	F32 old_priority_test = llmax(tex->getDecodePriority(), 0.0f);
+	F32 decode_priority_test = DEBUG_PRIORITY;
+	
+	// Ignore < 20% difference
+	if ((decode_priority_test < old_priority_test * .8f) ||
+		(decode_priority_test > old_priority_test * 1.25f))
+	{
+		removeImageFromList(tex);
+		tex->setDecodePriority(decode_priority_test);
+		addImageToList(tex);
+	}
+}
+
 /*
 static U8 get_image_type(LLViewerFetchedTexture* imagep, LLHost target_host)
 {
@ -827,6 +885,36 @@ F32 LLViewerTextureList::updateImagesCreateTextures(F32 max_time)
 	return create_timer.getElapsedTimeF32();
 }

+F32 LLViewerTextureList::updateImagesLoadingFastCache(F32 max_time)
+{
+	if (gGLManager.mIsDisabled) return 0.0f;
+	if(mFastCacheList.empty())
+	{
+		return 0.f;
+	}
+	
+	//
+	// loading texture raw data from the fast cache directly.
+	//
+		
+	LLTimer timer;
+	image_list_t::iterator enditer = mFastCacheList.begin();
+	for (image_list_t::iterator iter = mFastCacheList.begin();
+		 iter != mFastCacheList.end();)
+	{
+		image_list_t::iterator curiter = iter++;
+		enditer = iter;
+		LLViewerFetchedTexture *imagep = *curiter;
+		imagep->loadFromFastCache();
+		if (timer.getElapsedTimeF32() > max_time)
+		{
+			break;
+		}
+	}
+	mFastCacheList.erase(mFastCacheList.begin(), enditer);
+	return timer.getElapsedTimeF32();
+}
+
 void LLViewerTextureList::forceImmediateUpdate(LLViewerFetchedTexture* imagep)
 {
 	if(!imagep)
@ -850,15 +938,24 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
 {
 	LLTimer image_op_timer;
 	
-	// Update the decode priority for N images each frame
-	// Make a list with 32 high priority entries + 256 cycled entries
-	const size_t max_priority_count = llmin((S32) (256*10.f*gFrameIntervalSeconds)+1, 32);
-	const size_t max_update_count = llmin((S32) (1024*10.f*gFrameIntervalSeconds)+1, 256);
+	// Update fetch for N images each frame
+	static const S32 MAX_HIGH_PRIO_COUNT = gSavedSettings.getS32("TextureFetchUpdateHighPriority");         // default: 32
+	static const S32 MAX_UPDATE_COUNT = gSavedSettings.getS32("TextureFetchUpdateMaxMediumPriority");       // default: 256
+	static const S32 MIN_UPDATE_COUNT = gSavedSettings.getS32("TextureFetchUpdateMinMediumPriority");       // default: 32
+	static const F32 MIN_PRIORITY_THRESHOLD = gSavedSettings.getF32("TextureFetchUpdatePriorityThreshold"); // default: 0.0
+	static const bool SKIP_LOW_PRIO = gSavedSettings.getBOOL("TextureFetchUpdateSkipLowPriority");          // default: false
+
+	size_t max_priority_count = llmin((S32) (MAX_HIGH_PRIO_COUNT*MAX_HIGH_PRIO_COUNT*gFrameIntervalSeconds)+1, MAX_HIGH_PRIO_COUNT);
+	max_priority_count = llmin(max_priority_count, mImageList.size());
 	
-	// 32 high priority entries
+	size_t total_update_count = mUUIDMap.size();
+	size_t max_update_count = llmin((S32) (MAX_UPDATE_COUNT*MAX_UPDATE_COUNT*gFrameIntervalSeconds)+1, MAX_UPDATE_COUNT);
+	max_update_count = llmin(max_update_count, total_update_count);	
+	
+	// MAX_HIGH_PRIO_COUNT high priority entries
 	typedef std::vector<LLViewerFetchedTexture*> entries_list_t;
 	entries_list_t entries;
-	size_t update_counter = llmin(max_priority_count, mImageList.size());
+	size_t update_counter = max_priority_count;
 	image_priority_list_t::iterator iter1 = mImageList.begin();
 	while(update_counter > 0)
 	{
@ -868,43 +965,46 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
 		update_counter--;
 	}
 	
-	// 256 cycled entries
-	update_counter = llmin(max_update_count, mUUIDMap.size());	
+	// MAX_UPDATE_COUNT cycled entries
+	update_counter = max_update_count;	
 	if(update_counter > 0)
 	{
 		uuid_map_t::iterator iter2 = mUUIDMap.upper_bound(mLastFetchUUID);
-		uuid_map_t::iterator iter2p = iter2;
-		while(update_counter > 0)
+		while ((update_counter > 0) && (total_update_count > 0))
 		{
 			if (iter2 == mUUIDMap.end())
 			{
 				iter2 = mUUIDMap.begin();
 			}
-			entries.push_back(iter2->second);
-			iter2p = iter2++;
-			update_counter--;
-		}
+			LLViewerFetchedTexture* imagep = iter2->second;
+            // Skip the textures where there's really nothing to do so to give some times to others. Also skip the texture if it's already in the high prio set.
+            if (!SKIP_LOW_PRIO || (SKIP_LOW_PRIO && ((imagep->getDecodePriority() > MIN_PRIORITY_THRESHOLD) || imagep->hasFetcher())))
+            {
+                entries.push_back(imagep);
+                update_counter--;
+            }

-		mLastFetchUUID = iter2p->first;
+			iter2++;
+			total_update_count--;
+		}
 	}
 	
 	S32 fetch_count = 0;
-	S32 min_count = max_priority_count + max_update_count/4;
+	size_t min_update_count = llmin(MIN_UPDATE_COUNT,(S32)(entries.size()-max_priority_count));
+	S32 min_count = max_priority_count + min_update_count;
 	for (entries_list_t::iterator iter3 = entries.begin();
 		 iter3 != entries.end(); )
 	{
 		LLViewerFetchedTexture* imagep = *iter3++;
-		
-		bool fetching = imagep->updateFetch();
-		if (fetching)
+		fetch_count += (imagep->updateFetch() ? 1 : 0);
+		if (min_count <= min_update_count)
 		{
-			fetch_count++;
+			mLastFetchUUID = imagep->getID();
 		}
-		if (min_count <= 0 && image_op_timer.getElapsedTimeF32() > max_time)
+		if ((min_count-- <= 0) && (image_op_timer.getElapsedTimeF32() > max_time))
 		{
 			break;
 		}
-		min_count--;
 	}
 	//if (fetch_count == 0)
 	//{
@ -936,6 +1036,9 @@ void LLViewerTextureList::decodeAllImages(F32 max_time)
 {
 	LLTimer timer;

+	//loading from fast cache 
+	updateImagesLoadingFastCache(max_time);
+
 	// Update texture stats and priorities
 	std::vector<LLPointer<LLViewerFetchedTexture> > image_list;
 	for (image_priority_list_t::iterator iter = mImageList.begin();
--- a/indra/newview/llviewertexturelist.h
+++ b/indra/newview/llviewertexturelist.h
@ -111,6 +111,7 @@ public:
 	void doPrefetchImages();

 	void clearFetchingRequests();
+	void setDebugFetching(LLViewerFetchedTexture* tex, S32 debug_level);

 	static S32 getMinVideoRamSetting();
 	static S32 getMaxVideoRamSetting(bool get_recommended = false);
@ -120,6 +121,7 @@ private:
 	F32  updateImagesCreateTextures(F32 max_time);
 	F32  updateImagesFetchTextures(F32 max_time);
 	void updateImagesUpdateStats();
+	F32  updateImagesLoadingFastCache(F32 max_time);

 	void addImage(LLViewerFetchedTexture *image);
 	void deleteImage(LLViewerFetchedTexture *image);
@ -173,6 +175,7 @@ public:
 	image_list_t mLoadingStreamList;
 	image_list_t mCreateTextureList;
 	image_list_t mCallbackList;
+	image_list_t mFastCacheList;

 	// Note: just raw pointers because they are never referenced, just compared against
 	std::set<LLViewerFetchedTexture*> mDirtyTextureList;
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@ -6665,7 +6665,7 @@ void LLVOAvatar::updateMeshTextures()
 	if(!isSelf())
 	{
 		src_callback_list = &mCallbackTextureList ;
-		paused = mLoadedCallbacksPaused ;
+		paused = !isVisible();
 	}

 	std::vector<BOOL> is_layer_baked;
@ -7210,7 +7210,7 @@ void LLVOAvatar::onFirstTEMessageReceived()
 		if(!isSelf())
 		{
 			src_callback_list = &mCallbackTextureList ;
-			paused = mLoadedCallbacksPaused ;
+			paused = !isVisible();
 		}

 		for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
--- a/indra/newview/llvoavatarself.cpp
+++ b/indra/newview/llvoavatarself.cpp
@ -2132,9 +2132,7 @@ LLSD LLVOAvatarSelf::metricsData()
 {
 	// runway - add region info
 	LLSD result;
-	result["id"] = getID();
 	result["rez_status"] = LLVOAvatar::rezStatusToString(getRezzedStatus());
-	result["is_self"] = isSelf();
 	std::vector<S32> rez_counts;
 	LLVOAvatar::getNearbyRezzedStats(rez_counts);
 	result["nearby"] = LLSD::emptyMap();
@ -2148,7 +2146,6 @@ LLSD LLVOAvatarSelf::metricsData()
 	result["timers"]["ruth"] = mRuthTimer.getElapsedTimeF32();
 	result["timers"]["invisible"] = mInvisibleTimer.getElapsedTimeF32();
 	result["timers"]["fully_loaded"] = mFullyLoadedTimer.getElapsedTimeF32();
-	result["phases"] = getPhases().dumpPhases();
 	result["startup"] = LLStartUp::getPhases().dumpPhases();
 	
 	return result;
@ -2157,7 +2154,12 @@ LLSD LLVOAvatarSelf::metricsData()
 class ViewerAppearanceChangeMetricsResponder: public LLCurl::Responder
 {
 public:
-	ViewerAppearanceChangeMetricsResponder()
+	ViewerAppearanceChangeMetricsResponder( S32 expected_sequence,
+											volatile const S32 & live_sequence,
+											volatile bool & reporting_started):
+		mExpectedSequence(expected_sequence),
+		mLiveSequence(live_sequence),
+		mReportingStarted(reporting_started)
 	{
 	}

@ -2176,14 +2178,44 @@ public:
 			error(status,reason);
 		}
 	}
+
+	// virtual
+	void error(U32 status_num, const std::string & reason)
+	{
+	}
+
+	// virtual
+	void result(const LLSD & content)
+	{
+		if (mLiveSequence == mExpectedSequence)
+		{
+			mReportingStarted = true;
+		}
+	}
+
+private:
+	S32 mExpectedSequence;
+	volatile const S32 & mLiveSequence;
+	volatile bool & mReportingStarted;
 };

 void LLVOAvatarSelf::sendAppearanceChangeMetrics()
 {
 	// gAgentAvatarp->stopAllPhases();
+	static volatile bool reporting_started(false);
+	static volatile S32 report_sequence(0);

 	LLSD msg = metricsData();
 	msg["message"] = "ViewerAppearanceChangeMetrics";
+	msg["session_id"] = gAgentSessionID;
+	msg["agent_id"] = gAgentID;
+	msg["sequence"] = report_sequence;
+	msg["initial"] = !reporting_started;
+	msg["break"] = false;
+
+	// Update sequence number
+	if (S32_MAX == ++report_sequence)
+		report_sequence = 0;

 	LL_DEBUGS("Avatar") << avString() << "message: " << ll_pretty_print_sd(msg) << LL_ENDL;
 	std::string	caps_url;
@ -2196,8 +2228,10 @@ void LLVOAvatarSelf::sendAppearanceChangeMetrics()
 	{
 		LLCurlRequest::headers_t headers;
 		LLHTTPClient::post(caps_url,
-							msg,
-							new ViewerAppearanceChangeMetricsResponder);
+						   msg,
+						   new ViewerAppearanceChangeMetricsResponder(report_sequence,
+																	  report_sequence,
+																	  reporting_started));
 	}
 }

--- a/indra/newview/llvoavatarself.h
+++ b/indra/newview/llvoavatarself.h
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@ -860,7 +860,7 @@ void LLVOVolume::updateTextureVirtualSize(bool forced)
 				}
 			}
 	
-			S32 texture_discard = mSculptTexture->getDiscardLevel(); //try to match the texture
+			S32 texture_discard = mSculptTexture->getCachedRawImageLevel(); //try to match the texture
 			S32 current_discard = getVolume() ? getVolume()->getSculptLevel() : -2 ;

 			if (texture_discard >= 0 && //texture has some data available
@ -1167,7 +1167,7 @@ void LLVOVolume::sculpt()
 		S8 sculpt_components = 0;
 		const U8* sculpt_data = NULL;
 	
-		S32 discard_level = mSculptTexture->getDiscardLevel() ;
+		S32 discard_level = mSculptTexture->getCachedRawImageLevel() ;
 		LLImageRaw* raw_image = mSculptTexture->getCachedRawImage() ;
 		
 		S32 max_discard = mSculptTexture->getMaxDiscardLevel();
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@ -2526,6 +2526,31 @@ void LLPipeline::updateGL()
 	}
 }

+void LLPipeline::clearRebuildGroups()
+{
+	mGroupQ1Locked = true;
+	// Iterate through all drawables on the priority build queue,
+	for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ1.begin();
+		 iter != mGroupQ1.end(); ++iter)
+	{
+		LLSpatialGroup* group = *iter;
+		group->clearState(LLSpatialGroup::IN_BUILD_Q1);
+	}
+	mGroupQ1.clear();
+	mGroupQ1Locked = false;
+
+	mGroupQ2Locked = true;
+	for (LLSpatialGroup::sg_vector_t::iterator iter = mGroupQ2.begin();
+		 iter != mGroupQ2.end(); ++iter)
+	{
+		LLSpatialGroup* group = *iter;
+		group->clearState(LLSpatialGroup::IN_BUILD_Q2);
+	}	
+
+	mGroupQ2.clear();
+	mGroupQ2Locked = false;
+}
+
 void LLPipeline::rebuildPriorityGroups()
 {
 	LLTimer update_timer;
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@ -223,6 +223,7 @@ public:
 	void updateGL();
 	void rebuildPriorityGroups();
 	void rebuildGroups();
+	void clearRebuildGroups();

 	//calculate pixel area of given box from vantage point of given camera
 	static F32 calcPixelArea(LLVector3 center, LLVector3 size, LLCamera& camera);
--- a/indra/newview/skins/default/xui/en/floater_texture_fetch_debugger.xml
+++ b/indra/newview/skins/default/xui/en/floater_texture_fetch_debugger.xml
@ -1,341 +1,428 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater
- legacy_header_height="18"
- can_minimize="false"
- height="550"
- layout="topleft"
- name="TexFetchDebugger"
- help_topic="texfetchdebugger"
- title="Texture Fetching Debugger"
- width="540">
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left="10"
-   name="total_num_fetched_label"
-   top="30"
-   width="400">
-    1, Total number of fetched textures: [NUM]
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_num_fetching_requests_label"
-   top_delta="25"
-   width="400">
-    2, Total number of fetching requests: [NUM]
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_num_cache_hits_label"
-   top_delta="25"
-   width="400">
-    3, Total number of cache hits: [NUM]
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_num_visible_tex_label"
-   top_delta="25"
-   width="400">
-    4, Total number of visible textures: [NUM]
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_num_visible_tex_fetch_req_label"
-   top_delta="25"
-   width="450">
-    5, Total number of visible texture fetching requests: [NUM]
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_fetched_data_label"
-   top_delta="25"
-   width="530">
-    6, Total number of fetched data: [SIZE1]KB, Decoded Data: [SIZE2]KB, [PIXEL]MPixels
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_fetched_vis_data_label"
-   top_delta="25"
-   width="480">
-    7, Total number of visible data: [SIZE1]KB, Decoded Data: [SIZE2]KB
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_fetched_rendered_data_label"
-   top_delta="25"
-   width="530">
-    8, Total number of rendered data: [SIZE1]KB, Decoded Data: [SIZE2]KB, [PIXEL]MPixels
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_time_cache_read_label"
-   top_delta="25"
-   width="400">
-    9, Total time on cache readings: [TIME] seconds
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_time_cache_write_label"
-   top_delta="25"
-   width="400">
-    10, Total time on cache writings: [TIME] seconds
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_time_decode_label"
-   top_delta="25"
-   width="400">
-    11, Total time on decodings: [TIME] seconds
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_time_gl_label"
-   top_delta="25"
-   width="400">
-    12, Total time on gl texture creation: [TIME] seconds
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_time_http_label"
-   top_delta="25"
-   width="400">
-    13, Total time on HTTP fetching: [TIME] seconds
-  </text>
-  <text
-   type="string"
-   length="1"
-   follows="left|top"
-   height="25"
-   layout="topleft"
-   left_delta="0"
-   name="total_time_fetch_label"
-   top_delta="25"
-   width="400">
-    14, Total time on entire fetching: [TIME] seconds
-  </text>
-  <text
-  type="string"
-  length="1"
-  follows="left|top"
-  height="25"
-  layout="topleft"
-  left_delta="0"
-  name="total_time_refetch_vis_cache_label"
-  top_delta="25"
-  width="540">
-    15, Refetching visibles from cache, Time: [TIME] seconds, Fetched: [SIZE]KB, [PIXEL]MPixels
-  </text>
-  <text
-  type="string"
-  length="1"
-  follows="left|top"
-  height="25"
-  layout="topleft"
-  left_delta="0"
-  name="total_time_refetch_vis_http_label"
-  top_delta="25"
-  width="540">
-    16, Refetching visibles from HTTP, Time: [TIME] seconds, Fetched: [SIZE]KB, [PIXEL]MPixels
-  </text>
-  <spinner
-     decimal_digits="2"
-     follows="left|top"
-     height="20"
-     increment="0.01"
-     initial_value="1.0"
-     label="17, Ratio of Texel/Pixel:"
-     label_width="130"
-     layout="topleft"
-     left_delta="0"
-     max_val="10.0"
-     min_val="0.01"
-     name="texel_pixel_ratio"
-     top_delta="30"
-     width="200">
-    <spinner.commit_callback
-		function="TexFetchDebugger.ChangeTexelPixelRatio" />
-  </spinner>
-  <button
-   follows="left|top"
-   height="20"
-   label="Start"
-   layout="topleft"
-   left_delta="0"
-   name="start_btn"
-   top_delta="30"
-   width="70">
-    <button.commit_callback
-		function="TexFetchDebugger.Start" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="Reset"
-   layout="topleft"
-   left_pad="7"
-   name="clear_btn"
-   top_delta="0"
-   width="70">
-    <button.commit_callback
-		function="TexFetchDebugger.Clear" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="Close"
-   layout="topleft"
-   left_pad="7"
-   name="close_btn"
-   top_delta="0"
-   width="70">
-    <button.commit_callback
-		function="TexFetchDebugger.Close" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="Cache Read"
-   layout="topleft"
-   left="10"
-   name="cacheread_btn"
-   top_delta="30"
-   width="80">
-    <button.commit_callback
-		function="TexFetchDebugger.CacheRead" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="Cache Write"
-   layout="topleft"
-   left_pad="7"
-   name="cachewrite_btn"
-   top_delta="0"
-   width="80">
-    <button.commit_callback
-		function="TexFetchDebugger.CacheWrite" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="HTTP"
-   layout="topleft"
-   left_pad="7"
-   name="http_btn"
-   top_delta="0"
-   width="70">
-    <button.commit_callback
-		function="TexFetchDebugger.HTTPLoad" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="Decode"
-   layout="topleft"
-   left_pad="7"
-   name="decode_btn"
-   top_delta="0"
-   width="70">
-    <button.commit_callback
-		function="TexFetchDebugger.Decode" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="GL Texture"
-   layout="topleft"
-   left_pad="7"
-   name="gl_btn"
-   top_delta="0"
-   width="70">
-    <button.commit_callback
-		function="TexFetchDebugger.GLTexture" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="Refetch Vis Cache"
-   layout="topleft"
-   left="10"
-   name="refetchviscache_btn"
-   top_delta="30"
-   width="120">
-    <button.commit_callback
-		function="TexFetchDebugger.RefetchVisCache" />
-  </button>
-  <button
-   follows="left|top"
-   height="20"
-   label="Refetch Vis HTTP"
-   layout="topleft"
-   left_pad="7"
-   name="refetchvishttp_btn"
-   top_delta="0"
-   width="120">
-    <button.commit_callback
-		function="TexFetchDebugger.RefetchVisHTTP" />
-  </button>
-</floater>
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<floater
+ legacy_header_height="18"
+ can_minimize="false"
+ height="600"
+ layout="topleft"
+ name="TexFetchDebugger"
+ help_topic="texfetchdebugger"
+ title="Texture Fetching Debugger"
+ width="540">
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left="10"
+   name="total_num_fetched_label"
+   top="30"
+   width="400">
+    1, Total number of fetched textures: [NUM]
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_num_fetching_requests_label"
+   top_delta="25"
+   width="400">
+    2, Total number of fetching requests: [NUM]
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_num_cache_hits_label"
+   top_delta="25"
+   width="400">
+    3, Total number of cache hits: [NUM]
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_num_visible_tex_label"
+   top_delta="25"
+   width="400">
+    4, Total number of visible textures: [NUM]
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_num_visible_tex_fetch_req_label"
+   top_delta="25"
+   width="450">
+    5, Total number of visible texture fetching requests: [NUM]
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_fetched_data_label"
+   top_delta="25"
+   width="530">
+    6, Total number of fetched data: [SIZE1]KB, Decoded Data: [SIZE2]KB, [PIXEL]MPixels
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_fetched_vis_data_label"
+   top_delta="25"
+   width="480">
+    7, Total number of visible data: [SIZE1]KB, Decoded Data: [SIZE2]KB
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_fetched_rendered_data_label"
+   top_delta="25"
+   width="530">
+    8, Total number of rendered data: [SIZE1]KB, Decoded Data: [SIZE2]KB, [PIXEL]MPixels
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_time_cache_read_label"
+   top_delta="25"
+   width="400">
+    9, Total time on cache readings: [TIME] seconds
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_time_cache_write_label"
+   top_delta="25"
+   width="400">
+    10, Total time on cache writings: [TIME] seconds
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_time_decode_label"
+   top_delta="25"
+   width="400">
+    11, Total time on decodings: [TIME] seconds
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_time_gl_label"
+   top_delta="25"
+   width="400">
+    12, Total time on gl texture creation: [TIME] seconds
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_time_http_label"
+   top_delta="25"
+   width="400">
+    13, Total time on HTTP fetching: [TIME] seconds
+  </text>
+  <text
+   type="string"
+   length="1"
+   follows="left|top"
+   height="25"
+   layout="topleft"
+   left_delta="0"
+   name="total_time_fetch_label"
+   top_delta="25"
+   width="400">
+    14, Total time on entire fetching: [TIME] seconds
+  </text>
+  <text
+  type="string"
+  length="1"
+  follows="left|top"
+  height="25"
+  layout="topleft"
+  left_delta="0"
+  name="total_time_refetch_vis_cache_label"
+  top_delta="25"
+  width="540">
+    15, Refetching visibles from cache, Time: [TIME] seconds, Fetched: [SIZE]KB, [PIXEL]MPixels
+  </text>
+  <text
+  type="string"
+  length="1"
+  follows="left|top"
+  height="25"
+  layout="topleft"
+  left_delta="0"
+  name="total_time_refetch_all_cache_label"
+  top_delta="25"
+  width="540">
+    16, Refetching all textures from cache, Time: [TIME] seconds, Fetched: [SIZE]KB, [PIXEL]MPixels
+  </text>
+  <text
+  type="string"
+  length="1"
+  follows="left|top"
+  height="25"
+  layout="topleft"
+  left_delta="0"
+  name="total_time_refetch_vis_http_label"
+  top_delta="25"
+  width="540">
+    17, Refetching visibles from HTTP, Time: [TIME] seconds, Fetched: [SIZE]KB, [PIXEL]MPixels
+  </text>
+  <text
+  type="string"
+  length="1"
+  follows="left|top"
+  height="25"
+  layout="topleft"
+  left_delta="0"
+  name="total_time_refetch_all_http_label"
+  top_delta="25"
+  width="540">
+    18, Refetching all textures from HTTP, Time: [TIME] seconds, Fetched: [SIZE]KB, [PIXEL]MPixels
+  </text>
+  <spinner
+     decimal_digits="2"
+     follows="left|top"
+     height="20"
+     increment="0.01"
+     initial_value="1.0"
+     label="19, Ratio of Texel/Pixel:"
+     label_width="130"
+     layout="topleft"
+     left_delta="0"
+     max_val="10.0"
+     min_val="0.01"
+     name="texel_pixel_ratio"
+     top_delta="30"
+     width="200">
+    <spinner.commit_callback
+		function="TexFetchDebugger.ChangeTexelPixelRatio" />
+  </spinner>
+  <text
+  type="string"
+  length="1"
+  follows="left|top"
+  height="25"
+  layout="topleft"
+  left_delta="0"
+  name="texture_source_label"
+  top_delta="30"
+  width="110">
+    20, Texture Source:
+  </text>
+  <radio_group
+     control_name="TextureFetchSource"
+     follows="top|left"
+     draw_border="false"
+     height="25"
+     layout="topleft"
+     left_pad="0"
+     name="texture_source"
+     top_delta="0"
+     width="264">
+    <radio_item
+     height="16"
+     label="Cache + HTTP"
+     layout="topleft"
+     left="3"
+     name="0"
+     top="0"
+     width="100" />
+    <radio_item
+     height="16"
+     label="HTTP Only"
+     layout="topleft"
+     left_delta="100"
+     name="1"
+     top_delta="0"
+     width="200" />
+  </radio_group>
+  <button
+   follows="left|top"
+   height="20"
+   label="Start"
+   layout="topleft"
+   left="10"
+   name="start_btn"
+   top_delta="20"
+   width="70">
+    <button.commit_callback
+		function="TexFetchDebugger.Start" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Reset"
+   layout="topleft"
+   left_pad="7"
+   name="clear_btn"
+   top_delta="0"
+   width="70">
+    <button.commit_callback
+		function="TexFetchDebugger.Clear" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Close"
+   layout="topleft"
+   left_pad="7"
+   name="close_btn"
+   top_delta="0"
+   width="70">
+    <button.commit_callback
+		function="TexFetchDebugger.Close" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Cache Read"
+   layout="topleft"
+   left="10"
+   name="cacheread_btn"
+   top_delta="20"
+   width="80">
+    <button.commit_callback
+		function="TexFetchDebugger.CacheRead" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Cache Write"
+   layout="topleft"
+   left_pad="7"
+   name="cachewrite_btn"
+   top_delta="0"
+   width="80">
+    <button.commit_callback
+		function="TexFetchDebugger.CacheWrite" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="HTTP"
+   layout="topleft"
+   left_pad="7"
+   name="http_btn"
+   top_delta="0"
+   width="70">
+    <button.commit_callback
+		function="TexFetchDebugger.HTTPLoad" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Decode"
+   layout="topleft"
+   left_pad="7"
+   name="decode_btn"
+   top_delta="0"
+   width="70">
+    <button.commit_callback
+		function="TexFetchDebugger.Decode" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="GL Texture"
+   layout="topleft"
+   left_pad="7"
+   name="gl_btn"
+   top_delta="0"
+   width="70">
+    <button.commit_callback
+		function="TexFetchDebugger.GLTexture" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Refetch Vis Cache"
+   layout="topleft"
+   left="10"
+   name="refetchviscache_btn"
+   top_delta="20"
+   width="120">
+    <button.commit_callback
+		function="TexFetchDebugger.RefetchVisCache" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Refetch All Cache"
+   layout="topleft"
+   left_pad="7"
+   name="refetchallcache_btn"
+   top_delta="0"
+   width="120">
+    <button.commit_callback
+		function="TexFetchDebugger.RefetchAllCache" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Refetch Vis HTTP"
+   layout="topleft"
+   left_pad="7"
+   name="refetchvishttp_btn"
+   top_delta="0"
+   width="120">
+    <button.commit_callback
+		function="TexFetchDebugger.RefetchVisHTTP" />
+  </button>
+  <button
+   follows="left|top"
+   height="20"
+   label="Refetch All HTTP"
+   layout="topleft"
+   left_pad="7"
+   name="refetchallhttp_btn"
+   top_delta="0"
+   width="120">
+    <button.commit_callback
+		function="TexFetchDebugger.RefetchAllHTTP" />
+  </button>
+</floater>
--- a/indra/newview/tests/llviewerassetstats_test.cpp
+++ b/indra/newview/tests/llviewerassetstats_test.cpp