Merge from default branch

--HG--
branch : product-engine

1 files changed, 19 insertions, 15 deletions

diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 47e35ca0c4..07b98eaf82 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -3189,29 +3189,26 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 		{ // muted avatars update at 16 hz
 			mUpdatePeriod = 16;
 		}
-		else if (visible && mVisibilityRank <= LLVOAvatar::sMaxVisible)
+		else if (mVisibilityRank <= LLVOAvatar::sMaxVisible)
 		{ //first 25% of max visible avatars are not impostored
 			mUpdatePeriod = 1;
 		}
-		else if (visible && mVisibilityRank > LLVOAvatar::sMaxVisible * 4)
+		else if (mVisibilityRank > LLVOAvatar::sMaxVisible * 4)
 		{ //background avatars are REALLY slow updating impostors
 			mUpdatePeriod = 16;
 		}
-		else if (visible && mVisibilityRank > LLVOAvatar::sMaxVisible * 3)
+		else if (mVisibilityRank > LLVOAvatar::sMaxVisible * 3)
 		{ //back 25% of max visible avatars are slow updating impostors
 			mUpdatePeriod = 8;
 		}
-		else if (visible && mImpostorPixelArea <= impostor_area)
+		else if (mImpostorPixelArea <= impostor_area)
 		{  // stuff in between gets an update period based on pixel area
 			mUpdatePeriod = llclamp((S32) sqrtf(impostor_area*4.f/mImpostorPixelArea), 2, 8);
 		}
-		else if (visible && mVisibilityRank > LLVOAvatar::sMaxVisible)
-		{ // force nearby impostors in ultra crowded areas
-			mUpdatePeriod = 2;
-		}
 		else
-		{ // not impostored
-			mUpdatePeriod = 1;
+		{
+			//nearby avatars, update the impostors more frequently.
+			mUpdatePeriod = 4;
 		}
 
 		visible = (LLDrawable::getCurrentFrame()+mID.mData[0])%mUpdatePeriod == 0 ? TRUE : FALSE;
@@ -4274,10 +4271,12 @@ void LLVOAvatar::checkTextureLoading()
 	return ;
 }
 
+const F32  SELF_ADDITIONAL_PRI = 0.75f ;
+const F32  ADDITIONAL_PRI = 0.5f;
 void LLVOAvatar::addBakedTextureStats( LLViewerFetchedTexture* imagep, F32 pixel_area, F32 texel_area_ratio, S32 boost_level)
 {
 	//if this function is not called for the last 512 frames, the texture pipeline will stop fetching this texture.
-	static const S32  MAX_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL = 512 ; //frames	
+	static const S32  MAX_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL = 512 ; //frames		
 
 	imagep->resetTextureStats();
 	imagep->setCanUseHTTP(false) ; //turn off http fetching for baked textures.
@@ -4287,9 +4286,14 @@ void LLVOAvatar::addBakedTextureStats( LLViewerFetchedTexture* imagep, F32 pixel
 	mMinPixelArea = llmin(pixel_area, mMinPixelArea);	
 	imagep->addTextureStats(pixel_area / texel_area_ratio);
 	imagep->setBoostLevel(boost_level);
-	if(boost_level == LLViewerTexture::BOOST_AVATAR_BAKED_SELF)
+	
+	if(boost_level != LLViewerTexture::BOOST_AVATAR_BAKED_SELF)
+	{
+		imagep->setAdditionalDecodePriority(ADDITIONAL_PRI) ;
+	}
+	else
 	{
-		imagep->setAdditionalDecodePriority(1.0f) ;
+		imagep->setAdditionalDecodePriority(SELF_ADDITIONAL_PRI) ;
 	}
 }
 
@@ -7300,7 +7304,7 @@ void LLVOAvatar::cullAvatarsByPixelArea()
 	std::sort(LLCharacter::sInstances.begin(), LLCharacter::sInstances.end(), CompareScreenAreaGreater());
 	
 	// Update the avatars that have changed status
-	U32 rank = 0;
+	U32 rank = 2; //1 is reserved for self. 
 	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
 		 iter != LLCharacter::sInstances.end(); ++iter)
 	{
@@ -7324,7 +7328,7 @@ void LLVOAvatar::cullAvatarsByPixelArea()
 
 		if (inst->isSelf())
 		{
-			inst->setVisibilityRank(0);
+			inst->setVisibilityRank(1);
 		}
 		else if (inst->mDrawable.notNull() && inst->mDrawable->isVisible())
 		{