V3 merge. Supposedly improves baked texture loading on other avatars. Also increase discard bias on ati if vram starts running out.

indra/newview/llviewertexture.cpp

@@ -75,6 +75,7 @@
 
 // statics
 LLPointer<LLViewerTexture>        LLViewerTexture::sNullImagep = NULL;
+LLPointer<LLViewerTexture>        LLViewerTexture::sBlackImagep = NULL;
 LLPointer<LLViewerFetchedTexture> LLViewerFetchedTexture::sMissingAssetImagep = NULL;
 LLPointer<LLViewerFetchedTexture> LLViewerFetchedTexture::sWhiteImagep = NULL;
 LLPointer<LLViewerFetchedTexture> LLViewerFetchedTexture::sDefaultImagep = NULL;
@@ -314,17 +315,23 @@ LLViewerFetchedTexture* LLViewerTextureManager::getFetchedTextureFromHost(const
 
 void LLViewerTextureManager::init()
 {
-	LLPointer<LLImageRaw> raw = new LLImageRaw(1,1,3);
+	{
-	raw->clear(0x77, 0x77, 0x77, 0xFF);
+		LLPointer<LLImageRaw> raw = new LLImageRaw(1,1,3);
-	LLViewerTexture::sNullImagep = LLViewerTextureManager::getLocalTexture(raw.get(), TRUE) ;
+		raw->clear(0x77, 0x77, 0x77, 0xFF);
+		LLViewerTexture::sNullImagep = LLViewerTextureManager::getLocalTexture(raw.get(), TRUE) ;
+	}
+
+	const S32 dim = 128;
+	LLPointer<LLImageRaw> image_raw = new LLImageRaw(dim,dim,3);
+	U8* data = image_raw->getData();
+	
+	memset(data, 0, dim * dim * 3) ;
+	LLViewerTexture::sBlackImagep = LLViewerTextureManager::getLocalTexture(image_raw.get(), TRUE) ;
 
 #if 1
 	LLPointer<LLViewerFetchedTexture> imagep = LLViewerTextureManager::getFetchedTexture(IMG_DEFAULT);
 	LLViewerFetchedTexture::sDefaultImagep = imagep;
 	
-	const S32 dim = 128;
-	LLPointer<LLImageRaw> image_raw = new LLImageRaw(dim,dim,3);
-	U8* data = image_raw->getData();
 	for (S32 i = 0; i<dim; i++)
 	{
 		for (S32 j = 0; j<dim; j++)
@@ -380,6 +387,7 @@ void LLViewerTextureManager::cleanup()
 
 	LLImageGL::sDefaultGLTexture = NULL ;
 	LLViewerTexture::sNullImagep = NULL;
+	LLViewerTexture::sBlackImagep = NULL;
 	LLViewerFetchedTexture::sDefaultImagep = NULL;	
 	LLViewerFetchedTexture::sSmokeImagep = NULL;
 	LLViewerFetchedTexture::sMissingAssetImagep = NULL;
@@ -432,6 +440,48 @@ const S32 min_non_tex_system_mem = (128<<20); // 128 MB
 F32 texmem_lower_bound_scale = 0.85f;
 F32 texmem_middle_bound_scale = 0.925f;
 
+//static 
+bool LLViewerTexture::isMemoryForTextureLow()
+{
+	const static S32 MIN_FREE_TEXTURE_MEMORY = 5 ; //MB
+	const static S32 MIN_FREE_MAIN_MEMORy = 100 ; //MB
+
+	bool low_mem = false ;
+	if (gGLManager.mHasATIMemInfo)
+	{
+		S32 meminfo[4];
+		glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, meminfo);
+
+		if(meminfo[0] / 1024 < MIN_FREE_TEXTURE_MEMORY)
+		{
+			low_mem = true ;
+		}
+	}
+#if 0  //ignore nVidia cards
+	else if (gGLManager.mHasNVXMemInfo)
+	{
+		S32 free_memory;
+		glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &free_memory);
+		
+		if(free_memory / 1024 < MIN_FREE_TEXTURE_MEMORY)
+		{
+			low_mem = true ;
+		}
+	}
+#endif
+
+	if(!low_mem) //check main memory, only works for windows.
+	{
+		LLMemory::updateMemoryInfo() ;
+		if(LLMemory::getAvailableMemKB() / 1024 < MIN_FREE_MAIN_MEMORy)
+		{
+			low_mem = true ;
+		}
+	}
+
+	return low_mem ;
+}
+
 //static
 void LLViewerTexture::updateClass(const F32 velocity, const F32 angular_velocity)
 {
@@ -468,6 +518,11 @@ void LLViewerTexture::updateClass(const F32 velocity, const F32 angular_velocity
 			sEvaluationTimer.reset();
 		}
 	}
+	else if(sEvaluationTimer.getElapsedTimeF32() > discard_delta_time && isMemoryForTextureLow())
+	{
+		sDesiredDiscardBias += discard_bias_delta;
+		sEvaluationTimer.reset();
+	}
 	else if (sDesiredDiscardBias > 0.0f &&
 			 BYTES_TO_MEGA_BYTES(sBoundTextureMemoryInBytes) < sMaxBoundTextureMemInMegaBytes * texmem_lower_bound_scale &&
 			 BYTES_TO_MEGA_BYTES(sTotalTextureMemoryInBytes) < sMaxTotalTextureMemInMegaBytes * texmem_lower_bound_scale)
@@ -2259,6 +2314,7 @@ void LLViewerFetchedTexture::unpauseLoadedCallbacks(const LLLoadedCallbackEntry:
 		}
 	}
 	mPauseLoadedCallBacks = FALSE ;
+	mLastCallBackActiveTime = sCurrentTime ;
 	if(need_raw)
 	{
 		mSaveRawImage = TRUE ;
@@ -2304,7 +2360,12 @@ bool LLViewerFetchedTexture::doLoadedCallbacks()
 	{
 		return false;
 	}
-	if(sCurrentTime - mLastCallBackActiveTime > MAX_INACTIVE_TIME)
+	if(mPauseLoadedCallBacks)
+	{
+		destroyRawImage();
+		return false; //paused
+	}	
+	if(sCurrentTime - mLastCallBackActiveTime > MAX_INACTIVE_TIME && !mIsFetching)
 	{
 		clearCallbackEntryList() ; //remove all callbacks.
 		return false ;
@@ -2327,11 +2388,7 @@ bool LLViewerFetchedTexture::doLoadedCallbacks()
 
 		// Remove ourself from the global list of textures with callbacks
 		gTextureList.mCallbackList.erase(this);
-	}
+		return false ;
-	if(mPauseLoadedCallBacks)
-	{
-		destroyRawImage();
-		return res; //paused
 	}	
 
 	S32 gl_discard = getDiscardLevel();
@@ -2594,7 +2651,11 @@ bool LLViewerFetchedTexture::needsToSaveRawImage()
 
 void LLViewerFetchedTexture::destroyRawImage()
 {	
-	if (mAuxRawImage.notNull()) sAuxCount--;
+	if (mAuxRawImage.notNull())
+	{
+		sAuxCount--;
+		mAuxRawImage = NULL;
+	}
 
 	if (mRawImage.notNull()) 
 	{
@@ -2608,12 +2669,12 @@ void LLViewerFetchedTexture::destroyRawImage()
 			}		
 			setCachedRawImage() ;
 		}
-	}
 		
-	mRawImage = NULL;
+		mRawImage = NULL;
-	mAuxRawImage = NULL;
+	
-	mIsRawImageValid = FALSE;
+		mIsRawImageValid = FALSE;
-	mRawDiscardLevel = INVALID_DISCARD_LEVEL;
+		mRawDiscardLevel = INVALID_DISCARD_LEVEL;
+	}
 }
 
 //use the mCachedRawImage to (re)generate the gl texture.

indra/newview/llviewertexture.h

@@ -277,6 +277,7 @@ private:
 	/*virtual*/ LLImageGL* getGLTexture() const ;
 	virtual void switchToCachedImage();
 	
+	static bool isMemoryForTextureLow() ;
 protected:
 	LLUUID mID;
 	S32 mBoostLevel;				// enum describing priority level
@@ -340,6 +341,7 @@ public:
 	//static BOOL sUseTextureAtlas ;
 
 	static LLPointer<LLViewerTexture> sNullImagep; // Null texture for non-textured objects.
+	static LLPointer<LLViewerTexture> sBlackImagep;	// Texture to show NOTHING (pure black)
 };
 
 

indra/newview/llviewertexturelist.cpp

@@ -543,9 +543,11 @@ void LLViewerTextureList::removeImageFromList(LLViewerFetchedTexture *image)
 		}
 		llerrs << "LLViewerTextureList::removeImageFromList - Image not in list" << llendl;
 	}
-	if(mImageList.erase(image) != 1) 
+
+	S32 count = mImageList.erase(image) ;
+	if(count != 1) 
 	{
-		llerrs << "Error happens when remove image from mImageList!" << llendl ;
+		llerrs << "Error happens when remove image from mImageList: " << count << llendl ;
 	}
       
 	image->setInImageList(FALSE) ;