7 files changed, 49 insertions, 27 deletions
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index 4dc2fcd714..647512eb2e 100644
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -789,7 +789,7 @@ const LLFontDescriptor& LLFontGL::getFontDesc() const
 }
 
 // static
-void LLFontGL::initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, const std::vector<std::string>& xui_paths, bool create_gl_textures)
+void LLFontGL::initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, bool create_gl_textures)
 {
 	sVertDPI = (F32)llfloor(screen_dpi * y_scale);
 	sHorizDPI = (F32)llfloor(screen_dpi * x_scale);
@@ -800,7 +800,7 @@ void LLFontGL::initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::st
 	// Font registry init
 	if (!sFontRegistry)
 	{
-		sFontRegistry = new LLFontRegistry(xui_paths, create_gl_textures);
+		sFontRegistry = new LLFontRegistry(create_gl_textures);
 		sFontRegistry->parseFontInfo("fonts.xml");
 	}
 	else
diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h
index 5ed5d2c4eb..0988e99deb 100644
--- a/indra/llrender/llfontgl.h
+++ b/indra/llrender/llfontgl.h
@@ -150,7 +150,7 @@ public:
 	const LLFontDescriptor& getFontDesc() const;
 
 
-	static void initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, const std::vector<std::string>& xui_paths, bool create_gl_textures = true);
+	static void initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, bool create_gl_textures = true);
 
 	// Load sans-serif, sans-serif-small, etc.
 	// Slow, requires multiple seconds to load fonts.
diff --git a/indra/llrender/llfontregistry.cpp b/indra/llrender/llfontregistry.cpp
index 4d22eba3d9..b5bdba996f 100644
--- a/indra/llrender/llfontregistry.cpp
+++ b/indra/llrender/llfontregistry.cpp
@@ -163,14 +163,9 @@ LLFontDescriptor LLFontDescriptor::normalize() const
 	return LLFontDescriptor(new_name,new_size,new_style,getFileNames());
 }
 
-LLFontRegistry::LLFontRegistry(const string_vec_t& xui_paths,
-							   bool create_gl_textures)
+LLFontRegistry::LLFontRegistry(bool create_gl_textures)
 :	mCreateGLTextures(create_gl_textures)
 {
-	// Propagate this down from LLUICtrlFactory so LLRender doesn't
-	// need an upstream dependency on LLUI.
-	mXUIPaths = xui_paths;
-	
 	// This is potentially a slow directory traversal, so we want to
 	// cache the result.
 	mUltimateFallbackList = LLWindow::getDynamicFallbackFontList();
@@ -183,27 +178,30 @@ LLFontRegistry::~LLFontRegistry()
 
 bool LLFontRegistry::parseFontInfo(const std::string& xml_filename)
 {
-	bool success = false;  // Succeed if we find at least one XUI file
-	const string_vec_t& xml_paths = mXUIPaths;
+	bool success = false;  // Succeed if we find and read at least one XUI file
+	const string_vec_t xml_paths = gDirUtilp->findSkinnedFilenames(LLDir::XUI, xml_filename);
+	if (xml_paths.empty())
+	{
+		// We didn't even find one single XUI file
+		return false;
+	}
+
 	for (string_vec_t::const_iterator path_it = xml_paths.begin();
 		 path_it != xml_paths.end();
 		 ++path_it)
 	{
-	
 		LLXMLNodePtr root;
-		std::string full_filename = gDirUtilp->findSkinnedFilename(*path_it, xml_filename);
-		bool parsed_file = LLXMLNode::parseFile(full_filename, root, NULL);
+		bool parsed_file = LLXMLNode::parseFile(*path_it, root, NULL);
 
 		if (!parsed_file)
 			continue;
-		
+
 		if ( root.isNull() || ! root->hasName( "fonts" ) )
 		{
-			llwarns << "Bad font info file: "
-					<< full_filename << llendl;
+			llwarns << "Bad font info file: " << *path_it << llendl;
 			continue;
 		}
-		
+
 		std::string root_name;
 		root->getAttributeString("name",root_name);
 		if (root->hasName("fonts"))
@@ -215,7 +213,7 @@ bool LLFontRegistry::parseFontInfo(const std::string& xml_filename)
 	}
 	//if (success)
 	//	dump();
-	
+
 	return success;
 }
 
diff --git a/indra/llrender/llfontregistry.h b/indra/llrender/llfontregistry.h
index 8b06191c56..059248fbbd 100644
--- a/indra/llrender/llfontregistry.h
+++ b/indra/llrender/llfontregistry.h
@@ -67,8 +67,7 @@ class LLFontRegistry
 public:
 	// create_gl_textures - set to false for test apps with no OpenGL window,
 	// such as llui_libtest
-	LLFontRegistry(const string_vec_t& xui_paths,
-		bool create_gl_textures);
+	LLFontRegistry(bool create_gl_textures);
 	~LLFontRegistry();
 
 	// Load standard font info from XML file(s).
@@ -105,7 +104,6 @@ private:
 	font_size_map_t mFontSizes;
 
 	string_vec_t mUltimateFallbackList;
-	string_vec_t mXUIPaths;
 	bool mCreateGLTextures;
 };
 
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index 964495a3ab..d70e764769 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -424,6 +424,10 @@ const U32 FENCE_WAIT_TIME_NANOSECONDS = 1000;  //1 ms
 class LLGLFence
 {
 public:
+	virtual ~LLGLFence()
+	{
+	}
+
 	virtual void placeFence() = 0;
 	virtual bool isCompleted() = 0;
 	virtual void wait() = 0;
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index cc5c232380..846311a8d0 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -163,10 +163,19 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
 	}
 
 	U32 offset = mTex.size();
-	if (offset >= 4 ||
-		(offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers)))
+
+	if( offset >= 4 )
 	{
-		llerrs << "Too many color attachments!" << llendl;
+		llwarns << "Too many color attachments" << llendl;
+		llassert( offset < 4 );
+		return false;
+	}
+	if( offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers) )
+	{
+		llwarns << "FBO not used or no drawbuffers available; mFBO=" << (U32)mFBO << " gGLManager.mHasDrawBuffers=" << (U32)gGLManager.mHasDrawBuffers << llendl;
+		llassert(  mFBO != 0 );
+		llassert( gGLManager.mHasDrawBuffers );
+		return false;
 	}
 
 	U32 tex;
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index eadef93c89..2fe0aa0b72 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -555,8 +555,21 @@ void LLVertexBuffer::drawArrays(U32 mode, const std::vector<LLVector3>& pos, con
 	gGL.syncMatrices();
 
 	U32 count = pos.size();
-	llassert_always(norm.size() >= pos.size());
-	llassert_always(count > 0);
+	
+	llassert(norm.size() >= pos.size());
+	llassert(count > 0);
+
+	if( count == 0 )
+	{
+		llwarns << "Called drawArrays with 0 vertices" << llendl;
+		return;
+	}
+
+	if( norm.size() < pos.size() )
+	{
+		llwarns << "Called drawArrays with #" << norm.size() << " normals and #" << pos.size() << " vertices" << llendl;
+		return;
+	}
 
 	unbind();