Fix for crash when loading models (Don't hit UI from the main thread). Added asserts to LLFastTimer to verify main thread use only.

indra/llcommon/llfasttimer_class.h

@@ -37,12 +37,17 @@
 
 #define FAST_TIMER_ON 1
 #define TIME_FAST_TIMERS 0
+#define DEBUG_FAST_TIMER_THREADS 1
 
 class LLMutex;
 
 #include <queue>
 #include "llsd.h"
 
+#if DEBUG_FAST_TIMER_THREADS
+void assert_main_thread();
+#endif
+
 class LL_COMMON_API LLFastTimer
 {
 public:
@@ -181,6 +186,9 @@ public:
 #if TIME_FAST_TIMERS
 		U64 timer_end = getCPUClockCount64();
 		sTimerCycles += timer_end - timer_start;
+#endif
+#if DEBUG_FAST_TIMER_THREADS
+		assert_main_thread();
 #endif
 	}
 

indra/llcommon/llthread.cpp

@@ -68,6 +68,15 @@ U32 ll_thread_local sThreadID = 0;
 
 U32 LLThread::sIDIter = 0;
 
+void assert_main_thread()
+{
+	static U32 s_thread_id = LLThread::currentID();
+	if (LLThread::currentID() != s_thread_id)
+	{
+		llerrs << "Illegal execution outside main thread." << llendl;
+	}
+}
+
 //
 // Handed to the APR thread creation function
 //

indra/newview/llface.cpp

@@ -198,18 +198,8 @@ void LLFace::init(LLDrawable* drawablep, LLViewerObject* objp)
 	mHasMedia = FALSE ;
 }
 
-static LLFastTimer::DeclareTimer FTM_DESTROY_FACE("Destroy Face");
-static LLFastTimer::DeclareTimer FTM_DESTROY_TEXTURE("Texture");
-static LLFastTimer::DeclareTimer FTM_DESTROY_DRAWPOOL("Drawpool");
-static LLFastTimer::DeclareTimer FTM_DESTROY_TEXTURE_MATRIX("Texture Matrix");
-static LLFastTimer::DeclareTimer FTM_DESTROY_DRAW_INFO("Draw Info");
-static LLFastTimer::DeclareTimer FTM_DESTROY_ATLAS("Atlas");
-static LLFastTimer::DeclareTimer FTM_FACE_DEREF("Deref");
-
 void LLFace::destroy()
 {
-	LLFastTimer t(FTM_DESTROY_FACE);
-
 	if (gDebugGL)
 	{
 		gPipeline.checkReferences(this);
@@ -217,14 +207,11 @@ void LLFace::destroy()
 
 	if(mTexture.notNull())
 	{
-		LLFastTimer t(FTM_DESTROY_TEXTURE);
 		mTexture->removeFace(this) ;
 	}
 	
 	if (mDrawPoolp)
 	{
-		LLFastTimer t(FTM_DESTROY_DRAWPOOL);
-
 #if LL_MESH_ENABLED
 		if (this->isState(LLFace::RIGGED) && mDrawPoolp->getType() == LLDrawPool::POOL_AVATAR)
 		{
@@ -241,7 +228,6 @@ void LLFace::destroy()
 
 	if (mTextureMatrix)
 	{
-		LLFastTimer t(FTM_DESTROY_TEXTURE_MATRIX);
 		delete mTextureMatrix;
 		mTextureMatrix = NULL;
 
@@ -256,22 +242,12 @@ void LLFace::destroy()
 		}
 	}
 	
-	{
-		LLFastTimer t(FTM_DESTROY_DRAW_INFO);
-		setDrawInfo(NULL);
-	}
+	setDrawInfo(NULL);
+	removeAtlas();
+		
+	mDrawablep = NULL;
+	mVObjp = NULL;
 	
-	{
-		LLFastTimer t(FTM_DESTROY_ATLAS);
-		removeAtlas();
-	}
-	
-	{
-		LLFastTimer t(FTM_FACE_DEREF);
-		mDrawablep = NULL;
-		mVObjp = NULL;
-	}
-
 	ll_aligned_free_16(mExtents);
 	mExtents = NULL;
 }

indra/newview/llfloatermodelpreview.cpp

@@ -557,6 +557,8 @@ void LLFloaterModelPreview::draw()
 	LLFloater::draw();
 	LLRect r = getRect();
 
+	mModelPreview->update();
+	
 	if (!mLoading)
 	{
 		childSetTextArg("status", "[STATUS]", getString("status_idle"));
@@ -1813,6 +1815,7 @@ LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloaterModelPreview* fmp
 	mTextureName = 0;
 	mPreviewLOD = 3;
 	mModelLoader = NULL;
+	mDirty = false;
 
 	mLODMode[0] = 0;
 
@@ -1881,7 +1884,7 @@ U32 LLModelPreview::calcResourceCost()
 	mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[POINTS]", llformat("%d",num_points));				
 
 	updateStatusMessages();
-
+	
 	return cost;
 }
 
@@ -2024,8 +2027,8 @@ void LLModelPreview::loadModelCallback(S32 lod)
 
 	clearIncompatible(lod);
 
-	mResourceCost = calcResourceCost();
-
+	mDirty = true;
+	
 	mPreviewTarget = (mModelLoader->mExtents[0] + mModelLoader->mExtents[1]) * 0.5f;
 	mPreviewScale = (mModelLoader->mExtents[1] - mModelLoader->mExtents[0]) * 0.5f;
 	setPreviewTarget(mPreviewScale.magVec()*2.f);
@@ -2864,6 +2867,15 @@ void LLModelPreview::genBuffers(S32 lod)
 	}
 }
 
+void LLModelPreview::update()
+{
+	if (mDirty)
+	{
+		mDirty = false;
+		mResourceCost = calcResourceCost();
+	}
+}
+
 //-----------------------------------------------------------------------------
 // render()
 //-----------------------------------------------------------------------------

indra/newview/llfloatermodelpreview.h

@@ -118,6 +118,7 @@ class LLModelPreview : public LLViewerDynamicTexture, public LLMutex
 	void setTexture(U32 name) { mTextureName = name; }
 
 	BOOL render();
+	void update();
 	void genBuffers(S32 lod);
 	void refresh();
 	void rotate(F32 yaw_radians, F32 pitch_radians);
@@ -145,6 +146,7 @@ class LLModelPreview : public LLViewerDynamicTexture, public LLMutex
 	LLFloaterModelPreview* mFMP;
 
 	BOOL        mNeedsUpdate;
+	bool		mDirty;
 	U32         mTextureName;
 	F32			mCameraDistance;
 	F32			mCameraYaw;

indra/newview/pipeline.cpp

@@ -2367,8 +2367,7 @@ void LLPipeline::markGLRebuild(LLGLUpdate* glu)
 void LLPipeline::markRebuild(LLSpatialGroup* group, BOOL priority)
 {
 	LLMemType mt(LLMemType::MTYPE_PIPELINE);
-	//assert_main_thread();
-
+	
 	if (group && !group->isDead() && group->mSpatialPartition)
 	{
 		if (group->mSpatialPartition->mPartitionType == LLViewerRegion::PARTITION_HUD)