Merge with viewer-development

1 files changed, 40 insertions, 14 deletions

diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index f4bbc2b067..61236edc86 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -417,11 +417,24 @@ 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 LLFastTimer::DeclareTimer FTM_TEXTURE_MEMORY_CHECK("Memory Check");
+
 //static 
 bool LLViewerTexture::isMemoryForTextureLow()
 {
-	const static S32 MIN_FREE_TEXTURE_MEMORY = 5 ; //MB
-	const static S32 MIN_FREE_MAIN_MEMORy = 100 ; //MB
+	const F32 WAIT_TIME = 1.0f ; //second
+	static LLFrameTimer timer ;
+
+	if(timer.getElapsedTimeF32() < WAIT_TIME) //call this once per second.
+	{
+		return false;
+	}
+	timer.reset() ;
+
+	LLFastTimer t(FTM_TEXTURE_MEMORY_CHECK);
+
+	const S32 MIN_FREE_TEXTURE_MEMORY = 5 ; //MB
+	const S32 MIN_FREE_MAIN_MEMORy = 100 ; //MB	
 
 	bool low_mem = false ;
 	if (gGLManager.mHasATIMemInfo)
@@ -433,6 +446,15 @@ bool LLViewerTexture::isMemoryForTextureLow()
 		{
 			low_mem = true ;
 		}
+
+		if(!low_mem) //check main memory, only works for windows.
+		{
+			LLMemory::updateMemoryInfo() ;
+			if(LLMemory::getAvailableMemKB() / 1024 < MIN_FREE_MAIN_MEMORy)
+			{
+				low_mem = true ;
+			}
+		}
 	}
 #if 0  //ignore nVidia cards
 	else if (gGLManager.mHasNVXMemInfo)
@@ -445,20 +467,14 @@ bool LLViewerTexture::isMemoryForTextureLow()
 			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 ;
-		}
-	}
+#endif	
 
 	return low_mem ;
 }
 
+static LLFastTimer::DeclareTimer FTM_TEXTURE_UPDATE_MEDIA("Media");
+static LLFastTimer::DeclareTimer FTM_TEXTURE_UPDATE_TEST("Test");
+
 //static
 void LLViewerTexture::updateClass(const F32 velocity, const F32 angular_velocity)
 {
@@ -467,9 +483,14 @@ void LLViewerTexture::updateClass(const F32 velocity, const F32 angular_velocity
 	LLTexturePipelineTester* tester = (LLTexturePipelineTester*)LLMetricPerformanceTesterBasic::getTester(sTesterName);
 	if (tester)
 	{
+		LLFastTimer t(FTM_TEXTURE_UPDATE_TEST);
 		tester->update() ;
 	}
-	LLViewerMediaTexture::updateClass() ;
+
+	{
+		LLFastTimer t(FTM_TEXTURE_UPDATE_MEDIA);
+		LLViewerMediaTexture::updateClass() ;
+	}
 
 	sBoundTextureMemoryInBytes = LLImageGL::sBoundTextureMemoryInBytes;//in bytes
 	sTotalTextureMemoryInBytes = LLImageGL::sGlobalTextureMemoryInBytes;//in bytes
@@ -3142,8 +3163,13 @@ void LLViewerLODTexture::processTextureStats()
 		S32 current_discard = getDiscardLevel();
 		if (sDesiredDiscardBias > 0.0f && mBoostLevel < LLViewerTexture::BOOST_SCULPTED && current_discard >= 0)
 		{
+			if(desired_discard_bias_max <= sDesiredDiscardBias && !mForceToSaveRawImage)
+			{
+				//needs to release texture memory urgently
+				scaleDown() ;
+			}
 			// Limit the amount of GL memory bound each frame
-			if ( BYTES_TO_MEGA_BYTES(sBoundTextureMemoryInBytes) > sMaxBoundTextureMemInMegaBytes * texmem_middle_bound_scale &&
+			else if ( BYTES_TO_MEGA_BYTES(sBoundTextureMemoryInBytes) > sMaxBoundTextureMemInMegaBytes * texmem_middle_bound_scale &&
 				(!getBoundRecently() || mDesiredDiscardLevel >= mCachedRawDiscardLevel))
 			{
 				scaleDown() ;