1 files changed, 49 insertions, 17 deletions

diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index a5adb11c53..9b5b210bf7 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -492,6 +492,7 @@ void LLViewerTexture::init(bool firstinit)
 
 	mTextureState = NO_DELETE ;
 	mDontDiscard = FALSE;
+	mCanResetMaxVirtualSize = true ;
 	mMaxVirtualSize = 0.f;
 	mNeedsGLTexture = FALSE ;
 	mNeedsResetMaxVirtualSize = FALSE ;
@@ -590,6 +591,11 @@ void LLViewerTexture::forceImmediateUpdate()
 {
 }
 
+void LLViewerTexture::setResetMaxVirtualSizeFlag(bool flag) 
+{
+	mCanResetMaxVirtualSize = flag ;
+}
+
 void LLViewerTexture::addTextureStats(F32 virtual_size, BOOL needs_gltexture) const 
 {
 	if(needs_gltexture)
@@ -613,7 +619,7 @@ void LLViewerTexture::addTextureStats(F32 virtual_size, BOOL needs_gltexture) co
 
 void LLViewerTexture::resetTextureStats()
 {
-	mMaxVirtualSize = 0.0f;
+	mMaxVirtualSize = 0.0f ;
 	mAdditionalDecodePriority = 0.f ;	
 	mNeedsResetMaxVirtualSize = FALSE ;
 }
@@ -1071,6 +1077,7 @@ void LLViewerFetchedTexture::init(bool firstinit)
 	mRequestedDiscardLevel = -1;
 	mRequestedDownloadPriority = 0.f;
 	mFullyLoaded = FALSE;
+	mCanUseHTTP = true ;
 	mDesiredDiscardLevel = MAX_DISCARD_LEVEL + 1;
 	mMinDesiredDiscardLevel = MAX_DISCARD_LEVEL + 1;
 	
@@ -1440,8 +1447,14 @@ void LLViewerFetchedTexture::setKnownDrawSize(S32 width, S32 height)
 //virtual
 void LLViewerFetchedTexture::processTextureStats()
 {
-	if(mFullyLoaded)//already loaded
+	if(mFullyLoaded)
 	{
+		if(mDesiredDiscardLevel <= mMinDesiredDiscardLevel)//already loaded
+		{
+			return ;
+		}
+		mDesiredDiscardLevel = llmin(mDesiredDiscardLevel, mMinDesiredDiscardLevel) ;
+		mFullyLoaded = FALSE ;
 		return ;
 	}
 
@@ -1475,6 +1488,7 @@ void LLViewerFetchedTexture::processTextureStats()
 			mDesiredDiscardLevel = (S8)llmin(log((F32)mFullWidth / mKnownDrawWidth) / log_2, 
 					                             log((F32)mFullHeight / mKnownDrawHeight) / log_2) ;
 			mDesiredDiscardLevel = 	llclamp(mDesiredDiscardLevel, (S8)0, (S8)getMaxDiscardLevel()) ;
+			mDesiredDiscardLevel = llmin(mDesiredDiscardLevel, mMinDesiredDiscardLevel) ;
 		}
 		mKnownDrawSizeChanged = FALSE ;
 		
@@ -1507,7 +1521,7 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 	}
 	if(mFullyLoaded && !mForceToSaveRawImage)//already loaded for static texture
 	{
-		return -4.0f ; //alreay fetched
+		return -1.0f ; //alreay fetched
 	}
 
 	S32 cur_discard = getCurrentDiscardLevelForFetching();
@@ -1521,16 +1535,16 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 	}
 	else if(mDesiredDiscardLevel >= cur_discard && cur_discard > -1)
 	{
-		priority = -1.0f ;
+		priority = -2.0f ;
 	}
 	else if(mCachedRawDiscardLevel > -1 && mDesiredDiscardLevel >= mCachedRawDiscardLevel)
 	{
-		priority = -1.0f;
+		priority = -3.0f;
 	}
 	else if (mDesiredDiscardLevel > getMaxDiscardLevel())
 	{
 		// Don't decode anything we don't need
-		priority = -1.0f;
+		priority = -4.0f;
 	}
 	else if ((mBoostLevel == LLViewerTexture::BOOST_UI || mBoostLevel == LLViewerTexture::BOOST_ICON) && !have_all_data)
 	{
@@ -1544,9 +1558,14 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 			// Always want high boosted images
 			priority = 1.f;
 		}
+		else if(mForceToSaveRawImage)
+		{
+			//force to fetch the raw image.
+			priority = 1.f;
+		}
 		else
 		{
-			priority = -1.f; //stop fetching
+			priority = -5.f; //stop fetching
 		}
 	}
 	else if (cur_discard < 0)
@@ -1562,11 +1581,7 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 	else if ((mMinDiscardLevel > 0) && (cur_discard <= mMinDiscardLevel))
 	{
 		// larger mips are corrupted
-		priority = -3.0f;
-	}
-	else if (cur_discard <= mDesiredDiscardLevel)
-	{
-		priority = -4.0f;
+		priority = -6.0f;
 	}
 	else
 	{
@@ -1669,7 +1684,11 @@ void LLViewerFetchedTexture::updateVirtualSize()
 			setAdditionalDecodePriority(facep->getImportanceToCamera()) ;
 		}
 	}
-	mNeedsResetMaxVirtualSize = TRUE ;
+
+	if(mCanResetMaxVirtualSize)
+	{
+		mNeedsResetMaxVirtualSize = TRUE ;
+	}
 	reorganizeFaceList() ;
 	reorganizeVolumeList();
 }
@@ -1750,7 +1769,7 @@ bool LLViewerFetchedTexture::updateFetch()
 		else
 		{
 			mFetchState = LLAppViewer::getTextureFetch()->getFetchState(mID, mDownloadProgress, mRequestedDownloadPriority,
-																		mFetchPriority, mFetchDeltaTime, mRequestDeltaTime);
+																		mFetchPriority, mFetchDeltaTime, mRequestDeltaTime, mCanUseHTTP);
 		}
 		
 		// We may have data ready regardless of whether or not we are finished (e.g. waiting on write)
@@ -1886,11 +1905,17 @@ bool LLViewerFetchedTexture::updateFetch()
 			h = mGLTexturep->getHeight(0);
 			c = mComponents;
 		}
+
+		const U32 override_tex_discard_level = gSavedSettings.getU32("TextureDiscardLevel");
+		if (override_tex_discard_level != 0)
+		{
+			desired_discard = override_tex_discard_level;
+		}
 		
 		// bypass texturefetch directly by pulling from LLTextureCache
 		bool fetch_request_created = false;
 		fetch_request_created = LLAppViewer::getTextureFetch()->createRequest(mUrl, getID(),getTargetHost(), decode_priority,
-																			  w, h, c, desired_discard, needsAux());
+																			  w, h, c, desired_discard, needsAux(), mCanUseHTTP);
 		
 		if (fetch_request_created)
 		{
@@ -1898,7 +1923,7 @@ bool LLViewerFetchedTexture::updateFetch()
 			mIsFetching = TRUE;
 			mRequestedDiscardLevel = desired_discard;
 			mFetchState = LLAppViewer::getTextureFetch()->getFetchState(mID, mDownloadProgress, mRequestedDownloadPriority,
-													   mFetchPriority, mFetchDeltaTime, mRequestDeltaTime);
+													   mFetchPriority, mFetchDeltaTime, mRequestDeltaTime, mCanUseHTTP);
 		}
 
 		// if createRequest() failed, we're finishing up a request for this UUID,
@@ -2039,10 +2064,13 @@ bool LLViewerFetchedTexture::doLoadedCallbacks()
 	bool run_raw_callbacks = false;
 	bool need_readback = false;
 
+	mMinDesiredDiscardLevel = MAX_DISCARD_LEVEL + 1;
 	for(callback_list_t::iterator iter = mLoadedCallbackList.begin();
 		iter != mLoadedCallbackList.end(); )
 	{
 		LLLoadedCallbackEntry *entryp = *iter++;
+		mMinDesiredDiscardLevel = llmin(mMinDesiredDiscardLevel, (S8)entryp->mDesiredDiscard) ;
+
 		if (entryp->mNeedsImageRaw)
 		{
 			if (mNeedsAux)
@@ -2174,6 +2202,7 @@ bool LLViewerFetchedTexture::doLoadedCallbacks()
 	if (mLoadedCallbackList.empty())
 	{
 		gTextureList.mCallbackList.erase(this);
+		mMinDesiredDiscardLevel = MAX_DISCARD_LEVEL + 1;
 	}
 
 	// Done with any raw image data at this point (will be re-created if we still have callbacks)
@@ -3295,7 +3324,10 @@ F32 LLViewerMediaTexture::getMaxVirtualSize()
 		}
 	}
 
-	mNeedsResetMaxVirtualSize = TRUE ;
+	if(mCanResetMaxVirtualSize)
+	{
+		mNeedsResetMaxVirtualSize = TRUE ;
+	}
 	reorganizeFaceList() ;
 	reorganizeVolumeList();