1 files changed, 20 insertions, 51 deletions

diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 75bb9f84e2..0afbce7d51 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -495,7 +495,6 @@ LLViewerTexture::LLViewerTexture(const U32 width, const U32 height, const U8 com
 	mFullHeight = height ;
 	mUseMipMaps = usemipmaps ;
 	mComponents = components ;
-	setTexelsPerImage();
 
 	mID.generate();
 	sImageCount++;
@@ -523,7 +522,6 @@ void LLViewerTexture::init(bool firstinit)
 
 	mFullWidth = 0;
 	mFullHeight = 0;
-	mTexelsPerImage = 0 ;
 	mUseMipMaps = FALSE ;
 	mComponents = 0 ;
 
@@ -532,7 +530,7 @@ void LLViewerTexture::init(bool firstinit)
 	mMaxVirtualSize = 0.f;
 	mNeedsGLTexture = FALSE ;
 	mMaxVirtualSizeResetInterval = 1;
-	mMaxVirtualSizeResetCounter = mMaxVirtualSizeResetInterval ;
+	mMaxVirtualSizeResetCounter = 1 ;
 	mAdditionalDecodePriority = 0.f ;	
 	mParcelMedia = NULL ;
 	mNumFaces = 0 ;
@@ -840,8 +838,7 @@ BOOL LLViewerTexture::createGLTexture(S32 discard_level, const LLImageRaw* image
 	{
 		mFullWidth = mGLTexturep->getCurrentWidth() ;
 		mFullHeight = mGLTexturep->getCurrentHeight() ; 
-		mComponents = mGLTexturep->getComponents() ;	
-		setTexelsPerImage();
+		mComponents = mGLTexturep->getComponents() ;		
 	}
 
 	return ret ;
@@ -1059,16 +1056,9 @@ void LLViewerTexture::destroyGLTexture()
 	}	
 }
 
-void LLViewerTexture::setTexelsPerImage()
-{
-	S32 fullwidth = llmin(mFullWidth,(S32)MAX_IMAGE_SIZE_DEFAULT);
-	S32 fullheight = llmin(mFullHeight,(S32)MAX_IMAGE_SIZE_DEFAULT);
-	mTexelsPerImage = (F32)fullwidth * fullheight;
-}
-
 BOOL LLViewerTexture::isLargeImage()
 {
-	return  (S32)mTexelsPerImage > LLViewerTexture::sMinLargeImageSize ;
+	return mFullWidth * mFullHeight > LLViewerTexture::sMinLargeImageSize ;
 }
 
 //virtual 
@@ -1425,7 +1415,6 @@ BOOL LLViewerFetchedTexture::createTexture(S32 usename/*= 0*/)
 			
 			mFullWidth = mRawImage->getWidth();
 			mFullHeight = mRawImage->getHeight();
-			setTexelsPerImage();
 		}
 		else
 		{
@@ -1630,7 +1619,11 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 	{
 		// priority range = 100,000 - 500,000
 		S32 desired_discard = mDesiredDiscardLevel;
-		if (!isJustBound() && mCachedRawImageReady)
+		if (getDontDiscard())
+		{
+			desired_discard -= 2;
+		}
+		else if (!isJustBound() && mCachedRawImageReady)
 		{
 			if(mBoostLevel < BOOST_HIGH)
 			{
@@ -1646,7 +1639,7 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 
 		S32 ddiscard = cur_discard - desired_discard;
 		ddiscard = llclamp(ddiscard, -1, MAX_DELTA_DISCARD_LEVEL_FOR_PRIORITY);
-		priority = (ddiscard + 1) * PRIORITY_DELTA_DISCARD_LEVEL_FACTOR;		
+		priority = (ddiscard + 1) * PRIORITY_DELTA_DISCARD_LEVEL_FACTOR;
 	}
 
 	// Priority Formula:
@@ -1654,51 +1647,19 @@ F32 LLViewerFetchedTexture::calcDecodePriority()
 	// [10,000,000] + [1,000,000-9,000,000]  + [100,000-500,000]   + [1-20,000]  + [0-999]
 	if (priority > 0.0f)
 	{
-		bool large_enough = mCachedRawImageReady && ((S32)mTexelsPerImage > sMinLargeImageSize) ;
-		if(large_enough)
-		{
-			//Note: 
-			//to give small, low-priority textures some chance to be fetched, 
-			//cut the priority in half if the texture size is larger than 256 * 256 and has a 64*64 ready.
-			priority *= 0.5f ; 
-		}
-
 		pixel_priority = llclamp(pixel_priority, 0.0f, MAX_PRIORITY_PIXEL); 
 
 		priority += pixel_priority + PRIORITY_BOOST_LEVEL_FACTOR * mBoostLevel;
 
 		if ( mBoostLevel > BOOST_HIGH)
 		{
-			if(mBoostLevel > BOOST_SUPER_HIGH)
-			{
-				//for very important textures, always grant the highest priority.
-				priority += PRIORITY_BOOST_HIGH_FACTOR;
-			}
-			else if(mCachedRawImageReady)
-			{
-				//Note: 
-				//to give small, low-priority textures some chance to be fetched, 
-				//if high priority texture has a 64*64 ready, lower its fetching priority.
-				setAdditionalDecodePriority(0.5f) ;
-			}
-			else
-			{
-				priority += PRIORITY_BOOST_HIGH_FACTOR;
-			}
+			priority += PRIORITY_BOOST_HIGH_FACTOR;
 		}		
 
 		if(mAdditionalDecodePriority > 0.0f)
 		{
 			// priority range += 1,000,000.f-9,000,000.f
-			F32 additional = PRIORITY_ADDITIONAL_FACTOR * (1.0 + mAdditionalDecodePriority * MAX_ADDITIONAL_LEVEL_FOR_PRIORITY);
-			if(large_enough)
-			{
-				//Note: 
-				//to give small, low-priority textures some chance to be fetched, 
-				//cut the additional priority to a quarter if the texture size is larger than 256 * 256 and has a 64*64 ready.
-				additional *= 0.25f ;
-			}
-			priority += additional;
+			priority += PRIORITY_ADDITIONAL_FACTOR * (1.0 + mAdditionalDecodePriority * MAX_ADDITIONAL_LEVEL_FOR_PRIORITY);
 		}
 	}
 	return priority;
@@ -1741,6 +1702,11 @@ void LLViewerFetchedTexture::updateVirtualSize()
 		addTextureStats(0.f, FALSE) ;//reset
 	}
 
+	if(mForceToSaveRawImage)
+	{
+		setAdditionalDecodePriority(0.75f) ; //boost the fetching priority
+	}
+
 	for(U32 i = 0 ; i < mNumFaces ; i++)
 	{				
 		LLFace* facep = mFaceList[i] ;
@@ -1853,7 +1819,6 @@ bool LLViewerFetchedTexture::updateFetch()
 			{
 				mFullWidth = mRawImage->getWidth() << mRawDiscardLevel;
 				mFullHeight = mRawImage->getHeight() << mRawDiscardLevel;
-				setTexelsPerImage();
 
 				if(mFullWidth > MAX_IMAGE_SIZE || mFullHeight > MAX_IMAGE_SIZE)
 				{ 
@@ -2922,6 +2887,10 @@ void LLViewerLODTexture::processTextureStats()
 		//static const F64 log_2 = log(2.0);
 		static const F64 log_4 = log(4.0);
 
+		S32 fullwidth = llmin(mFullWidth,(S32)MAX_IMAGE_SIZE_DEFAULT);
+		S32 fullheight = llmin(mFullHeight,(S32)MAX_IMAGE_SIZE_DEFAULT);
+		mTexelsPerImage = (F32)fullwidth * fullheight;
+
 		F32 discard_level = 0.f;
 
 		// If we know the output width and height, we can force the discard