DRTVWR-510 clean up obsolete downstream-from-mDebugGPU code

13 files changed, 6 insertions, 139 deletions

diff --git a/indra/llcommon/llmemory.cpp b/indra/llcommon/llmemory.cpp
index 7cf4bc0706..ea84e4c1ea 100644
--- a/indra/llcommon/llmemory.cpp
+++ b/indra/llcommon/llmemory.cpp
@@ -55,7 +55,6 @@ static LLTrace::SampleStatHandle<F64Megabytes> sVirtualMem("virtual_mem", "virtu
 U32Kilobytes LLMemory::sAllocatedMemInKB(0);
 U32Kilobytes LLMemory::sAllocatedPageSizeInKB(0);
 U32Kilobytes LLMemory::sMaxHeapSizeInKB(U32_MAX);
-BOOL LLMemory::sEnableMemoryFailurePrevention = FALSE;
 
 void ll_assert_aligned_func(uintptr_t ptr,U32 alignment)
 {
@@ -75,10 +74,9 @@ void ll_assert_aligned_func(uintptr_t ptr,U32 alignment)
 }
 
 //static 
-void LLMemory::initMaxHeapSizeGB(F32Gigabytes max_heap_size, BOOL prevent_heap_failure)
+void LLMemory::initMaxHeapSizeGB(F32Gigabytes max_heap_size)
 {
 	sMaxHeapSizeInKB = U32Kilobytes::convert(max_heap_size);
-	sEnableMemoryFailurePrevention = prevent_heap_failure ;
 }
 
 //static 
@@ -158,56 +156,6 @@ void LLMemory::logMemoryInfo(BOOL update)
 	LL_INFOS() << "Current max usable memory(KB): " << sMaxPhysicalMemInKB << LL_ENDL ;
 }
 
-//return 0: everything is normal;
-//return 1: the memory pool is low, but not in danger;
-//return -1: the memory pool is in danger, is about to crash.
-//static 
-bool LLMemory::isMemoryPoolLow()
-{
-	static const U32Megabytes LOW_MEMORY_POOL_THRESHOLD(64);
-	const static U32Megabytes MAX_SIZE_CHECKED_MEMORY_BLOCK(64);
-	static void* last_reserved_address = NULL ;
-
-	if(!sEnableMemoryFailurePrevention)
-	{
-		return false ; //no memory failure prevention.
-	}
-
-	if(sAvailPhysicalMemInKB < (LOW_MEMORY_POOL_THRESHOLD / 4)) //out of physical memory
-	{
-		return true ;
-	}
-
-	if(sAllocatedPageSizeInKB + (LOW_MEMORY_POOL_THRESHOLD / 4) > sMaxHeapSizeInKB) //out of virtual address space.
-	{
-		return true ;
-	}
-
-	bool is_low = (S32)(sAvailPhysicalMemInKB < LOW_MEMORY_POOL_THRESHOLD 
-						|| sAllocatedPageSizeInKB + LOW_MEMORY_POOL_THRESHOLD > sMaxHeapSizeInKB) ;
-
-	//check the virtual address space fragmentation
-	if(!is_low)
-	{
-		if(!last_reserved_address)
-		{
-			last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-		}
-		else
-		{
-			last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-			if(!last_reserved_address) //failed, try once more
-			{
-				last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-			}
-		}
-
-		is_low = !last_reserved_address ; //allocation failed
-	}
-
-	return is_low ;
-}
-
 //static 
 U32Kilobytes LLMemory::getAvailableMemKB() 
 {
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index f04ae5f5cb..24f86cc11e 100644
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -344,10 +344,9 @@ public:
 	// Return value is zero if not known.
 	static U64 getCurrentRSS();
 	static void* tryToAlloc(void* address, U32 size);
-	static void initMaxHeapSizeGB(F32Gigabytes max_heap_size, BOOL prevent_heap_failure);
+	static void initMaxHeapSizeGB(F32Gigabytes max_heap_size);
 	static void updateMemoryInfo() ;
 	static void logMemoryInfo(BOOL update = FALSE);
-	static bool isMemoryPoolLow();
 
 	static U32Kilobytes getAvailableMemKB() ;
 	static U32Kilobytes getMaxMemKB() ;
@@ -359,7 +358,6 @@ private:
 	static U32Kilobytes sAllocatedPageSizeInKB ;
 
 	static U32Kilobytes sMaxHeapSizeInKB;
-	static BOOL sEnableMemoryFailurePrevention;
 };
 
 // LLRefCount moved to llrefcount.h
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 36177e00e8..fa4d0977b2 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -852,10 +852,6 @@ bool LLGLManager::initGL()
 
 	stop_glerror();
 	
-	setToDebugGPU();
-
-	stop_glerror();
-
 	initGLStates();
 
 	stop_glerror();
@@ -863,8 +859,6 @@ bool LLGLManager::initGL()
 	return true;
 }
 
-//void LLGLManager::setToDebugGPU()
-
 void LLGLManager::getGLInfo(LLSD& info)
 {
 	if (gHeadlessClient)
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index 95cc1899ee..3d597a23fe 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -173,7 +173,6 @@ private:
 	void initExtensions();
 	void initGLStates();
 	void initGLImages();
-	void setToDebugGPU();
 };
 
 extern LLGLManager gGLManager;
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 52dc4744f2..0b9cc78132 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -6564,7 +6564,7 @@
     <key>Value</key>
     <integer>1</integer>
   </map>
-  <key>MemoryFailurePreventionEnabled</key>
+  <key>MemoryFailurePreventionEnabled</key> <!-- deprecated, only used for obsolete-in-2020 Intel 965 Express GPU -->
   <map>
     <key>Comment</key>
     <string>If set, the viewer will quit to avoid crash when memory failure happens</string>
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 9452028174..4c4848390f 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -1280,36 +1280,8 @@ void LLAppViewer::initMaxHeapSize()
 
 	//F32 max_heap_size_gb = llmin(1.6f, (F32)gSavedSettings.getF32("MaxHeapSize")) ;
 	F32Gigabytes max_heap_size_gb = (F32Gigabytes)gSavedSettings.getF32("MaxHeapSize") ;
-	BOOL enable_mem_failure_prevention = (BOOL)gSavedSettings.getBOOL("MemoryFailurePreventionEnabled") ;
 
-	LLMemory::initMaxHeapSizeGB(max_heap_size_gb, enable_mem_failure_prevention) ;
-}
-
-void LLAppViewer::checkMemory()
-{
-	const static F32 MEMORY_CHECK_INTERVAL = 1.0f ; //second
-	//const static F32 MAX_QUIT_WAIT_TIME = 30.0f ; //seconds
-	//static F32 force_quit_timer = MAX_QUIT_WAIT_TIME + MEMORY_CHECK_INTERVAL ;
-
-	return ;
-
-	if(MEMORY_CHECK_INTERVAL > mMemCheckTimer.getElapsedTimeF32())
-	{
-		return ;
-	}
-	mMemCheckTimer.reset() ;
-
-		//update the availability of memory
-		LLMemory::updateMemoryInfo() ;
-
-	bool is_low = LLMemory::isMemoryPoolLow() ;
-
-	LLPipeline::throttleNewMemoryAllocation(is_low) ;
-
-	if(is_low)
-	{
-		LLMemory::logMemoryInfo() ;
-	}
+	LLMemory::initMaxHeapSizeGB(max_heap_size_gb);
 }
 
 static LLTrace::BlockTimerStatHandle FTM_MESSAGES("System Messages");
@@ -1388,9 +1360,6 @@ bool LLAppViewer::doFrame()
 	//clear call stack records
 	LL_CLEAR_CALLSTACKS();
 
-	//check memory availability information
-	checkMemory() ;
-
 	{
 		pingMainloopTimeout("Main:MiscNativeWindowEvents");
 
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index 8f0f54de3b..f3c5f5b500 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -230,7 +230,6 @@ private:
 	bool initConfiguration(); // Initialize settings from the command line/config file.
 	void initStrings();       // Initialize LLTrans machinery
 	bool initCache(); // Initialize local client cache.
-	void checkMemory() ;
 
 	// We have switched locations of both Mac and Windows cache, make sure
 	// files migrate and old cache is cleared out.
@@ -306,8 +305,6 @@ private:
 
     LLAllocator mAlloc;
 
-	LLFrameTimer mMemCheckTimer;
-
 	// llcorehttp library init/shutdown helper
 	LLAppCoreHttp mAppCoreHttp;
 
diff --git a/indra/newview/lldynamictexture.cpp b/indra/newview/lldynamictexture.cpp
index 1edf8fd47c..8b8273d183 100644
--- a/indra/newview/lldynamictexture.cpp
+++ b/indra/newview/lldynamictexture.cpp
@@ -204,7 +204,7 @@ void LLViewerDynamicTexture::postRender(BOOL success)
 BOOL LLViewerDynamicTexture::updateAllInstances()
 {
 	sNumRenders = 0;
-	if (gGLManager.mIsDisabled || LLPipeline::sMemAllocationThrottled)
+	if (gGLManager.mIsDisabled)
 	{
 		return TRUE;
 	}
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index caf79edfe4..0c112047de 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -745,10 +745,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 				glViewport(0,0,512,512);
 				LLVOAvatar::updateFreezeCounter() ;
 
-				if(!LLPipeline::sMemAllocationThrottled)
-				{		
-					LLVOAvatar::updateImpostors();
-				}
+				LLVOAvatar::updateImpostors();
 
 				set_current_projection(proj);
 				set_current_modelview(mod);
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index a2cec9a613..6a3cdafecb 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -3289,13 +3289,6 @@ void LLViewerLODTexture::processTextureStats()
 	{
 		mDesiredDiscardLevel = llmin(mDesiredDiscardLevel, (S8)mDesiredSavedRawDiscardLevel);
 	}
-	else if(LLPipeline::sMemAllocationThrottled)//release memory of large textures by decrease their resolutions.
-	{
-		if(scaleDown())
-		{
-			mDesiredDiscardLevel = mCachedRawDiscardLevel;
-		}
-	}
 }
 
 bool LLViewerLODTexture::scaleDown()
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index da0f98851d..053e18d627 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -4789,10 +4789,6 @@ BOOL LLViewerWindow::rawSnapshot(LLImageRaw *raw, S32 image_width, S32 image_hei
 		return FALSE;
 	}
 	//check if there is enough memory for the snapshot image
-	if(LLPipeline::sMemAllocationThrottled)
-	{
-		return FALSE ; //snapshot taking is disabled due to memory restriction.
-	}
 	if(image_width * image_height > (1 << 22)) //if snapshot image is larger than 2K by 2K
 	{
 		if(!LLMemory::tryToAlloc(NULL, image_width * image_height * 3))
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 604c5f770d..a898c2668b 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -347,7 +347,6 @@ bool	LLPipeline::sRenderFrameTest = false;
 bool	LLPipeline::sRenderAttachedLights = true;
 bool	LLPipeline::sRenderAttachedParticles = true;
 bool	LLPipeline::sRenderDeferred = false;
-bool    LLPipeline::sMemAllocationThrottled = false;
 S32		LLPipeline::sVisibleLightCount = 0;
 F32		LLPipeline::sMinRenderSize = 0.f;
 bool	LLPipeline::sRenderingHUDs;
@@ -717,24 +716,6 @@ void LLPipeline::destroyGL()
 
 static LLTrace::BlockTimerStatHandle FTM_RESIZE_SCREEN_TEXTURE("Resize Screen Texture");
 
-//static
-void LLPipeline::throttleNewMemoryAllocation(bool disable)
-{
-	if(sMemAllocationThrottled != disable)
-	{
-		sMemAllocationThrottled = disable ;
-
-		if(sMemAllocationThrottled)
-		{
-			//send out notification
-			LLNotification::Params params("LowMemory");
-			LLNotifications::instance().add(params);
-
-			//release some memory.
-		}
-	}
-}
-
 void LLPipeline::requestResizeScreenTexture()
 {
     gResizeScreenTexture = TRUE;
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 600bdd9d06..d93d6cb50c 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -413,10 +413,6 @@ public:
 	static void updateRenderDeferred();
 	static void refreshCachedSettings();
 
-	static void throttleNewMemoryAllocation(bool disable);
-
-	
-
 	void addDebugBlip(const LLVector3& position, const LLColor4& color);
 
 	void hidePermanentObjects( std::vector<U32>& restoreList );
@@ -598,7 +594,6 @@ public:
 	static bool				sRenderAttachedLights;
 	static bool				sRenderAttachedParticles;
 	static bool				sRenderDeferred;
-	static bool             sMemAllocationThrottled;
 	static S32				sVisibleLightCount;
 	static F32				sMinRenderSize;
 	static bool				sRenderingHUDs;