For SH-3086: add functions to refetch all previous textures through HTTP and from cache

10 files changed, 442 insertions, 37 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index c2f3d244f3..88c5831ce7 100755
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -10708,6 +10708,17 @@
       <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>TextureLoadFullRes</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/llfloatertexturefetchdebugger.cpp b/indra/newview/llfloatertexturefetchdebugger.cpp
index 2b34b72055..b6210423d1 100644
--- a/indra/newview/llfloatertexturefetchdebugger.cpp
+++ b/indra/newview/llfloatertexturefetchdebugger.cpp
@@ -59,6 +59,8 @@ 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));
 }
 //----------------------------------------------
 
@@ -76,8 +78,10 @@ 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();
 
@@ -118,6 +122,8 @@ void LLFloaterTextureFetchDebugger::disableButtons()
 	childDisable("gl_btn");
 	childDisable("refetchviscache_btn");
 	childDisable("refetchvishttp_btn");
+	childDisable("refetchallcache_btn");
+	childDisable("refetchallhttp_btn");
 }
 
 void LLFloaterTextureFetchDebugger::idle()
@@ -130,8 +136,7 @@ void LLFloaterTextureFetchDebugger::idle()
 		{
 		case LLTextureFetchDebugger::IDLE:
 			break;
-		case LLTextureFetchDebugger::READ_CACHE:
-			mButtonStateMap["cachewrite_btn"] = true;
+		case LLTextureFetchDebugger::READ_CACHE:			
 			mButtonStateMap["decode_btn"] = true;
 			updateButtons();
 			break;
@@ -156,6 +161,11 @@ void LLFloaterTextureFetchDebugger::idle()
 		case LLTextureFetchDebugger::REFETCH_VIS_HTTP:
 			updateButtons();
 			break;
+		case LLTextureFetchDebugger::REFETCH_ALL_CACHE:
+			updateButtons();
+		case LLTextureFetchDebugger::REFETCH_ALL_HTTP:
+			updateButtons();
+			break;
 		default:
 			break;
 		}
@@ -175,8 +185,27 @@ void LLFloaterTextureFetchDebugger::onClickStart()
 	mDebugger->startDebug();
 
 	mButtonStateMap["start_btn"] = false;
-	mButtonStateMap["cacheread_btn"] = true;
-	mButtonStateMap["http_btn"] = true;
+
+	if(LLAppViewer::getTextureFetch()->canLoadFromCache())
+	{
+		mButtonStateMap["cacheread_btn"] = true;
+		mButtonStateMap["http_btn"] = false;
+		mButtonStateMap["refetchviscache_btn"] = true;
+		mButtonStateMap["refetchvishttp_btn"] = false;
+		mButtonStateMap["refetchallcache_btn"] = true;
+		mButtonStateMap["refetchallhttp_btn"] = false;
+		mButtonStateMap["cachewrite_btn"] = false;
+	}
+	else
+	{
+		mButtonStateMap["cacheread_btn"] = true;
+		mButtonStateMap["http_btn"] = true;
+		mButtonStateMap["refetchviscache_btn"] = true;
+		mButtonStateMap["refetchvishttp_btn"] = true;
+		mButtonStateMap["refetchallcache_btn"] = true;
+		mButtonStateMap["refetchallhttp_btn"] = true;
+	}
+
 	updateButtons();
 }
 
@@ -256,6 +285,20 @@ void LLFloaterTextureFetchDebugger::onClickRefetchVisHTTP()
 	mDebugger->debugRefetchVisibleFromHTTP();
 }
 
+void LLFloaterTextureFetchDebugger::onClickRefetchAllCache()
+{
+	disableButtons();
+
+	mDebugger->debugRefetchAllFromCache();
+}
+
+void LLFloaterTextureFetchDebugger::onClickRefetchAllHTTP()
+{
+	disableButtons();
+
+	mDebugger->debugRefetchAllFromHTTP();
+}
+
 void LLFloaterTextureFetchDebugger::draw()
 {
 	//total number of fetched textures
@@ -368,8 +411,22 @@ 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 +439,22 @@ 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();
diff --git a/indra/newview/llfloatertexturefetchdebugger.h b/indra/newview/llfloatertexturefetchdebugger.h
index 33012c6a3d..da1bff19d5 100644
--- 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() ;
 
diff --git a/indra/newview/lltexturefetch.cpp b/indra/newview/lltexturefetch.cpp
index efb6ed6079..5e2141caf6 100755
--- a/indra/newview/lltexturefetch.cpp
+++ b/indra/newview/lltexturefetch.cpp
@@ -944,7 +944,7 @@ bool LLTextureFetchWorker::doWork(S32 param)
 																		  offset, size, responder);
 				mCacheReadTimer.reset();
 			}
-			else if (mUrl.empty())
+			else if (mUrl.empty() && mFetcher->canLoadFromCache())
 			{
 				setPriority(LLWorkerThread::PRIORITY_LOW | mWorkPriority); // Set priority first since Responder may change it
 
@@ -953,7 +953,7 @@ bool LLTextureFetchWorker::doWork(S32 param)
 																		  offset, size, responder);
 				mCacheReadTimer.reset();
 			}
-			else if(mCanUseHTTP)
+			else if(!mUrl.empty() && mCanUseHTTP && mFetcher->canLoadFromNetwork())
 			{
 				if (!(mUrl.compare(0, 7, "http://") == 0))
 				{
@@ -963,11 +963,15 @@ bool LLTextureFetchWorker::doWork(S32 param)
 				setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority);
 				mState = SEND_HTTP_REQ;
 			}
-			else
+			else if(mFetcher->canLoadFromNetwork())
 			{
 				setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority);
 				mState = LOAD_FROM_NETWORK;
 			}
+			else
+			{
+				return true; //failed
+			}
 		}
 
 		if (mLoaded)
@@ -1015,11 +1019,15 @@ bool LLTextureFetchWorker::doWork(S32 param)
 				return true;
 			}
 			// need more data
-			else
+			else if(mFetcher->canLoadFromNetwork())
 			{
 				LL_DEBUGS("Texture") << mID << ": Not in Cache" << LL_ENDL;
 				mState = LOAD_FROM_NETWORK;
 			}
+			else
+			{
+				return true; //failed
+			}
 			// fall through
 			LLTextureFetch::sCacheHitRate.addValue(0.f);
 		}
@@ -1060,7 +1068,7 @@ bool LLTextureFetchWorker::doWork(S32 param)
 		}
 		if (mCanUseHTTP && !mUrl.empty())
 		{
-			mState = LLTextureFetchWorker::SEND_HTTP_REQ;
+			mState = SEND_HTTP_REQ;
 			setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority);
 			if(mWriteToCacheState != NOT_WRITE)
 			{
@@ -1860,7 +1868,9 @@ LLTextureFetch::LLTextureFetch(LLTextureCache* cache, LLImageDecodeThread* image
 	  mTotalHTTPRequests(0),
 	  mCurlGetRequest(NULL),
 	  mQAMode(qa_mode),
-	  mFetchDebugger(NULL)
+	  mFetchDebugger(NULL),
+	  mFetchSource(LLTextureFetch::FROM_ALL),
+	  mOriginFetchSource(LLTextureFetch::FROM_ALL)
 {
 	mCurlPOSTRequestCount = 0;
 	mMaxBandwidth = gSavedSettings.getF32("ThrottleBandwidthKBPS");
@@ -1870,6 +1880,13 @@ LLTextureFetch::LLTextureFetch(LLTextureCache* cache, LLImageDecodeThread* image
 	if(LLTextureFetchDebugger::isEnabled())
 	{
 		mFetchDebugger = new LLTextureFetchDebugger(this, cache, imagedecodethread) ;
+		mFetchSource = (e_tex_source)gSavedSettings.getS32("TextureFetchSource");
+		if(mFetchSource < 0 && mFetchSource >= INVALID_SOURCE)
+		{
+			mFetchSource = LLTextureFetch::FROM_ALL;
+			gSavedSettings.setS32("TextureFetchSource", 0);
+		}
+		mOriginFetchSource = mFetchSource;
 	}
 }
 
@@ -3190,6 +3207,8 @@ void LLTextureFetchDebugger::init()
 	mTotalFetchingTime = 0.f;
 	mRefetchVisCacheTime = -1.f;
 	mRefetchVisHTTPTime = -1.f;
+	mRefetchAllCacheTime = -1.f;
+	mRefetchAllHTTPTime = -1.f;
 
 	mNumFetchedTextures = 0;
 	mNumCacheHits = 0;
@@ -3203,8 +3222,10 @@ void LLTextureFetchDebugger::init()
 	mRenderedDecodedData = 0;
 	mFetchedPixels = 0;
 	mRenderedPixels = 0;
-	mRefetchedData = 0;
-	mRefetchedPixels = 0;
+	mRefetchedVisData = 0;
+	mRefetchedVisPixels = 0;
+	mRefetchedAllData = 0;
+	mRefetchedAllPixels = 0;
 
 	mFreezeHistory = FALSE;
 }
@@ -3313,8 +3334,10 @@ void LLTextureFetchDebugger::stopDebug()
 
 	//unlock the fetcher
 	mFetcher->lockFetcher(false);
+	mFetcher->resetLoadSource();
 	mFreezeHistory = FALSE;
 	mTotalFetchingTime = gDebugTimers[0].getElapsedTimeF32(); //reset
+	mRefetchList.clear();
 }
 
 //called in the main thread and when the fetching queue is empty
@@ -3328,8 +3351,25 @@ void LLTextureFetchDebugger::addHistoryEntry(LLTextureFetchWorker* worker)
 {
 	if(mFreezeHistory)
 	{
-		mRefetchedPixels += worker->mRawImage->getWidth() * worker->mRawImage->getHeight();
-		mRefetchedData += worker->mFormattedImage->getDataSize();
+		if(mState == REFETCH_VIS_CACHE || mState == REFETCH_VIS_HTTP)
+		{
+			mRefetchedVisPixels += worker->mRawImage->getWidth() * worker->mRawImage->getHeight();
+			mRefetchedVisData += worker->mFormattedImage->getDataSize();
+		}
+		else
+		{
+			mRefetchedAllPixels += worker->mRawImage->getWidth() * worker->mRawImage->getHeight();
+			mRefetchedAllData += worker->mFormattedImage->getDataSize();
+
+			LLViewerFetchedTexture* tex = LLViewerTextureManager::findFetchedTexture(worker->mID);
+			if(tex && mRefetchList[tex].begin() != mRefetchList[tex].end())
+			{
+				if(worker->mDecodedDiscard == mFetchingHistory[mRefetchList[tex][0]].mDecodedLevel)
+				{
+					mRefetchList[tex].erase(mRefetchList[tex].begin());
+				}
+			}
+		}
 		return;
 	}
 
@@ -3341,9 +3381,8 @@ void LLTextureFetchDebugger::addHistoryEntry(LLTextureFetchWorker* worker)
 	mDecodedData += worker->mRawImage->getDataSize();
 	mFetchedPixels += worker->mRawImage->getWidth() * worker->mRawImage->getHeight();
 
-	mFetchingHistory.push_back(FetchEntry(worker->mID, worker->mDesiredSize, worker->mDecodedDiscard, worker->mFormattedImage->getDataSize(), worker->mRawImage->getDataSize()));
-	//mFetchingHistory.push_back(FetchEntry(worker->mID, worker->mDesiredSize, worker->mHaveAllData ? 0 : worker->mLoadedDiscard, worker->mFormattedImage->getComponents(),
-		//worker->mDecodedDiscard, worker->mFormattedImage->getDataSize(), worker->mRawImage->getDataSize()));
+	mFetchingHistory.push_back(FetchEntry(worker->mID, worker->mDesiredSize, worker->mDecodedDiscard, 
+		worker->mFormattedImage->getDataSize(), worker->mRawImage->getDataSize()));
 }
 
 void LLTextureFetchDebugger::lockCache()
@@ -3360,6 +3399,7 @@ void LLTextureFetchDebugger::debugCacheRead()
 	llassert_always(mState == IDLE);
 	mTimer.reset();
 	mState = READ_CACHE;
+	mCacheReadTime = -1.f;
 
 	S32 size = mFetchingHistory.size();
 	for(S32 i = 0 ; i < size ; i++)
@@ -3395,6 +3435,7 @@ void LLTextureFetchDebugger::debugCacheWrite()
 	llassert_always(mState == IDLE);
 	mTimer.reset();
 	mState = WRITE_CACHE;
+	mCacheWriteTime = -1.f;
 
 	S32 size = mFetchingHistory.size();
 	for(S32 i = 0 ; i < size ; i++)
@@ -3423,6 +3464,7 @@ void LLTextureFetchDebugger::debugDecoder()
 	llassert_always(mState == IDLE);
 	mTimer.reset();
 	mState = DECODING;
+	mDecodingTime = -1.f;
 
 	S32 size = mFetchingHistory.size();
 	for(S32 i = 0 ; i < size ; i++)
@@ -3458,6 +3500,7 @@ void LLTextureFetchDebugger::debugHTTP()
 	
 	mTimer.reset();
 	mState = HTTP_FETCHING;
+	mHTTPTime = -1.f;
 	
 	S32 size = mFetchingHistory.size();
 	for (S32 i = 0 ; i < size ; i++)
@@ -3529,6 +3572,8 @@ void LLTextureFetchDebugger::debugGLTextureCreation()
 	}
 
 	mTimer.reset();
+	mGLCreationTime = -1.f;
+
 	S32 j = 0 ;
 	S32 size1 = tex_list.size();
 	for(S32 i = 0 ; i < size && j < size1; i++)
@@ -3561,15 +3606,54 @@ void LLTextureFetchDebugger::clearTextures()
 	}
 }
 
+void LLTextureFetchDebugger::makeRefetchList()
+{
+	mRefetchList.clear();
+	S32 size = mFetchingHistory.size();
+	for(S32 i = 0 ; i < size; i++)
+	{		
+		LLViewerFetchedTexture* tex = LLViewerTextureManager::getFetchedTexture(mFetchingHistory[i].mID);
+		if(tex && tex->isJustBound()) //visible
+		{
+			continue; //the texture fetch pipeline will take care of visible textures.
+		}
+
+		mRefetchList[tex].push_back(i); 		
+	}
+}
+
+void LLTextureFetchDebugger::scanRefetchList()
+{
+	for(std::map< LLPointer<LLViewerFetchedTexture>, std::vector<S32> >::iterator iter = mRefetchList.begin();
+		iter != mRefetchList.end(); )
+	{
+		if(iter->second.empty())
+		{
+			gTextureList.setDebugFetching(iter->first, -1);
+			iter = mRefetchList.erase(iter);
+		}
+		else
+		{
+			gTextureList.setDebugFetching(iter->first, mFetchingHistory[iter->second[0]].mDecodedLevel);
+			++iter;
+		}
+	}
+}
+
 void LLTextureFetchDebugger::debugRefetchVisibleFromCache()
 {
 	llassert_always(mState == IDLE);
 	mState = REFETCH_VIS_CACHE;
 
 	clearTextures();
+	mFetcher->setLoadSource(LLTextureFetch::FROM_CACHE_ONLY);
 
 	mTimer.reset();
 	mFetcher->lockFetcher(false);
+	mRefetchVisCacheTime = -1.f;
+	mRefetchedVisData = 0;
+	mRefetchedVisPixels = 0;
+	mRefetchStartTime = gDebugTimers[0].getElapsedTimeF32();
 }
 
 void LLTextureFetchDebugger::debugRefetchVisibleFromHTTP()
@@ -3579,9 +3663,49 @@ void LLTextureFetchDebugger::debugRefetchVisibleFromHTTP()
 
 	clearCache();
 	clearTextures();
+	mFetcher->setLoadSource(LLTextureFetch::FROM_NETWORK_ONLY);
+
+	mTimer.reset();
+	mFetcher->lockFetcher(false);
+	mRefetchVisHTTPTime = -1.f;
+	mRefetchedVisData = 0;
+	mRefetchedVisPixels = 0;
+	mRefetchStartTime = gDebugTimers[0].getElapsedTimeF32();
+}
+
+void LLTextureFetchDebugger::debugRefetchAllFromCache()
+{
+	llassert_always(mState == IDLE);
+	mState = REFETCH_ALL_CACHE;
+
+	clearTextures();
+	makeRefetchList();
+	mFetcher->setLoadSource(LLTextureFetch::FROM_CACHE_ONLY);
+
+	mTimer.reset();
+	mFetcher->lockFetcher(false);
+	mRefetchAllCacheTime = -1.f;
+	mRefetchedAllData = 0;
+	mRefetchedAllPixels = 0;
+	mRefetchStartTime = gDebugTimers[0].getElapsedTimeF32();
+}
+
+void LLTextureFetchDebugger::debugRefetchAllFromHTTP()
+{
+	llassert_always(mState == IDLE);
+	mState = REFETCH_ALL_HTTP;
+
+	clearCache();
+	clearTextures();
+	makeRefetchList();
+	mFetcher->setLoadSource(LLTextureFetch::FROM_NETWORK_ONLY);
 
 	mTimer.reset();
 	mFetcher->lockFetcher(false);
+	mRefetchAllHTTPTime = -1.f;
+	mRefetchedAllData = 0;
+	mRefetchedAllPixels = 0;
+	mRefetchStartTime = gDebugTimers[0].getElapsedTimeF32();
 }
 
 bool LLTextureFetchDebugger::update()
@@ -3627,17 +3751,41 @@ bool LLTextureFetchDebugger::update()
 	case REFETCH_VIS_CACHE:
 		if (LLAppViewer::getTextureFetch()->getNumRequests() == 0)
 		{
-			mRefetchVisCacheTime = gDebugTimers[0].getElapsedTimeF32() - mTotalFetchingTime;
+			mRefetchVisCacheTime = gDebugTimers[0].getElapsedTimeF32() - mRefetchStartTime;
 			mState = IDLE;
 			mFetcher->lockFetcher(true);
+			mFetcher->resetLoadSource();
 		}
 		break;
 	case REFETCH_VIS_HTTP:
 		if (LLAppViewer::getTextureFetch()->getNumRequests() == 0)
 		{
-			mRefetchVisHTTPTime = gDebugTimers[0].getElapsedTimeF32() - mTotalFetchingTime;
+			mRefetchVisHTTPTime = gDebugTimers[0].getElapsedTimeF32() - mRefetchStartTime;
+			mState = IDLE;
+			mFetcher->lockFetcher(true);
+			mFetcher->resetLoadSource();
+		}
+		break;
+	case REFETCH_ALL_CACHE:
+		scanRefetchList();
+		if (LLAppViewer::getTextureFetch()->getNumRequests() == 0)
+		{
+			mRefetchAllCacheTime = gDebugTimers[0].getElapsedTimeF32() - mRefetchStartTime;
+			mState = IDLE;
+			mFetcher->lockFetcher(true);
+			mFetcher->resetLoadSource();
+			mRefetchList.clear();
+		}
+		break;
+	case REFETCH_ALL_HTTP:
+		scanRefetchList();
+		if (LLAppViewer::getTextureFetch()->getNumRequests() == 0)
+		{
+			mRefetchAllHTTPTime = gDebugTimers[0].getElapsedTimeF32() - mRefetchStartTime;
 			mState = IDLE;
 			mFetcher->lockFetcher(true);
+			mFetcher->resetLoadSource();
+			mRefetchList.clear();
 		}
 		break;
 	default:
@@ -3692,7 +3840,7 @@ void LLTextureFetchDebugger::callbackHTTP(S32 id, const LLChannelDescriptors& ch
 			U8* d_buffer = (U8*)ALLOCATE_MEM(LLImageBase::getPrivatePool(), data_size);
 			buffer->readAfter(channels.in(), NULL, d_buffer, data_size);
 			
-			llassert_always(mFetchingHistory[id].mFormattedImage.isNull());
+			mFetchingHistory[id].mFormattedImage = NULL;
 			{
 				// For now, create formatted image based on extension
 				std::string texture_url = mHTTPUrl + "/?texture_id=" + mFetchingHistory[id].mID.asString().c_str();
diff --git a/indra/newview/lltexturefetch.h b/indra/newview/lltexturefetch.h
index 107e1623b0..ff78d34eda 100644
--- a/indra/newview/lltexturefetch.h
+++ b/indra/newview/lltexturefetch.h
@@ -216,18 +216,36 @@ 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_CACHE_ONLY,
+		FROM_NETWORK_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_NETWORK_ONLY;}
+	bool canLoadFromNetwork() { return mFetchSource != FROM_CACHE_ONLY;}
 };
 
 //debug use
+class LLViewerFetchedTexture;
 class LLTextureFetchDebugger
 {
 	friend class LLTextureFetch;
@@ -301,6 +319,8 @@ private:
 	F32 mTotalFetchingTime;
 	F32 mRefetchVisCacheTime;
 	F32 mRefetchVisHTTPTime;
+	F32 mRefetchAllCacheTime;
+	F32 mRefetchAllHTTPTime;
 
 	LLTimer mTimer;
 	
@@ -321,8 +341,10 @@ private:
 	U32 mRenderedDecodedData;
 	U32 mFetchedPixels;
 	U32 mRenderedPixels;
-	U32 mRefetchedData;
-	U32 mRefetchedPixels;
+	U32 mRefetchedVisData;
+	U32 mRefetchedVisPixels;
+	U32 mRefetchedAllData;
+	U32 mRefetchedAllPixels;
 
 	BOOL mFreezeHistory;
 
@@ -330,6 +352,8 @@ private:
 	S32 mNbCurlRequests;
 	S32 mNbCurlCompleted;
 
+	std::map< LLPointer<LLViewerFetchedTexture>, std::vector<S32> > mRefetchList;
+	F32 mRefetchStartTime;
 public:
 	bool update(); //called in the main thread once per frame
 
@@ -348,6 +372,8 @@ public:
 	void debugGLTextureCreation();
 	void debugRefetchVisibleFromCache();
 	void debugRefetchVisibleFromHTTP();
+	void debugRefetchAllFromCache();
+	void debugRefetchAllFromHTTP();
 
 	void callbackCacheRead(S32 id, bool success, LLImageFormatted* image,
 						   S32 imagesize, BOOL islocal);
@@ -372,8 +398,10 @@ 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 +411,15 @@ 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();
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index ea329f6aac..684d1afa4f 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -1266,6 +1266,8 @@ void LLViewerFetchedTexture::init(bool firstinit)
 	mLastReferencedSavedRawImageTime = 0.0f ;
 	mKeptSavedRawImageTime = 0.f ;
 	mLastCallBackActiveTime = 0.f;
+
+	mInDebug = FALSE;
 }
 
 LLViewerFetchedTexture::~LLViewerFetchedTexture()
@@ -1898,6 +1900,20 @@ 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");
diff --git a/indra/newview/llviewertexture.h b/indra/newview/llviewertexture.h
index 41bf625225..c1ebbd9ebe 100644
--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@@ -433,6 +433,8 @@ 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.
 
@@ -513,6 +515,7 @@ private:
 
 private:
 	BOOL  mFullyLoaded;
+	BOOL  mInDebug;
 
 protected:		
 	std::string mLocalFileName;
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 2008a884db..e3b633dc0e 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -701,6 +701,11 @@ void LLViewerTextureList::updateImagesDecodePriorities()
 			LLPointer<LLViewerFetchedTexture> imagep = iter->second;
 			++iter; // safe to incrament now
 
+			if(imagep->isInDebug())
+			{
+				continue; //is in debug, ignore.
+			}
+
 			//
 			// Flush formatted images using a lazy flush
 			//
@@ -773,6 +778,27 @@ void LLViewerTextureList::updateImagesDecodePriorities()
 	}
 }
 
+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)
  {
diff --git a/indra/newview/llviewertexturelist.h b/indra/newview/llviewertexturelist.h
index 7038ea24ce..86429fa899 100644
--- a/indra/newview/llviewertexturelist.h
+++ b/indra/newview/llviewertexturelist.h
@@ -110,6 +110,7 @@ public:
 	void doPrefetchImages();
 
 	void clearFetchingRequests();
+	void setDebugFetching(LLViewerFetchedTexture* tex, S32 debug_level);
 
 	static S32 getMinVideoRamSetting();
 	static S32 getMaxVideoRamSetting(bool get_recommended = false);
diff --git a/indra/newview/skins/default/xui/en/floater_texture_fetch_debugger.xml b/indra/newview/skins/default/xui/en/floater_texture_fetch_debugger.xml
index 44b6a63bca..ca2f9bfd94 100644
--- a/indra/newview/skins/default/xui/en/floater_texture_fetch_debugger.xml
+++ b/indra/newview/skins/default/xui/en/floater_texture_fetch_debugger.xml
@@ -2,7 +2,7 @@
 <floater

  legacy_header_height="18"

  can_minimize="false"

- height="550"

+ height="600"

  layout="topleft"

  name="TexFetchDebugger"

  help_topic="texfetchdebugger"

@@ -195,10 +195,34 @@
   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">

-    16, Refetching visibles from HTTP, Time: [TIME] seconds, Fetched: [SIZE]KB, [PIXEL]MPixels

+    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"

@@ -206,7 +230,7 @@
      height="20"

      increment="0.01"

      initial_value="1.0"

-     label="17, Ratio of Texel/Pixel:"

+     label="19, Ratio of Texel/Pixel:"

      label_width="130"

      layout="topleft"

      left_delta="0"

@@ -218,14 +242,61 @@
     <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 + Network"

+     layout="topleft"

+     left="3"

+     name="0"

+     top="0"

+     width="100" />

+    <radio_item

+     height="16"

+     label="Cache Only"

+     layout="topleft"

+     left_delta="120"

+     name="1"

+     top_delta="0"

+     width="200" />

+    <radio_item

+     height="16"

+     label="Network Only"

+     layout="topleft"

+     left_delta="100"

+     name="2"

+     top_delta="0"

+     width="200" />

+  </radio_group>

   <button

    follows="left|top"

    height="20"

    label="Start"

    layout="topleft"

-   left_delta="0"

+   left="10"

    name="start_btn"

-   top_delta="30"

+   top_delta="20"

    width="70">

     <button.commit_callback

 		function="TexFetchDebugger.Start" />

@@ -261,7 +332,7 @@
    layout="topleft"

    left="10"

    name="cacheread_btn"

-   top_delta="30"

+   top_delta="20"

    width="80">

     <button.commit_callback

 		function="TexFetchDebugger.CacheRead" />

@@ -321,7 +392,7 @@
    layout="topleft"

    left="10"

    name="refetchviscache_btn"

-   top_delta="30"

+   top_delta="20"

    width="120">

     <button.commit_callback

 		function="TexFetchDebugger.RefetchVisCache" />

@@ -329,6 +400,18 @@
   <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"

@@ -338,4 +421,16 @@
     <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>