Update av_cef_app.cpp

Changed CAardvarkCefApp to only create a debug DX device when building in debug.
Added check for failure to create the device and log that so it's easier to diagnose in the future.

fixes #149

src/avrenderer/av_cef_app.cpp

@@ -129,10 +129,14 @@ void CAardvarkCefApp::OnContextInitialized()
 
 	D3D_FEATURE_LEVEL featureLevel[] = { D3D_FEATURE_LEVEL_11_1 };
 	D3D_FEATURE_LEVEL createdFeatureLevel;
+
+	UINT flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
+#if defined( _DEBUG )
+	flags |= D3D11_CREATE_DEVICE_DEBUG;
+#endif
 
-	D3D11CreateDevice( pAdapter, D3D_DRIVER_TYPE_HARDWARE, nullptr, 
-		D3D11_CREATE_DEVICE_DEBUG | D3D11_CREATE_DEVICE_BGRA_SUPPORT, 
-		featureLevel, 1, D3D11_SDK_VERSION,
+	HRESULT hres = D3D11CreateDevice( pAdapter, D3D_DRIVER_TYPE_HARDWARE, nullptr, 
+		flags, featureLevel, 1, D3D11_SDK_VERSION,
 		&m_pD3D11Device, &createdFeatureLevel, &m_pD3D11ImmediateContext );
 
 	if ( pAdapter )
@@ -141,6 +145,12 @@ void CAardvarkCefApp::OnContextInitialized()
 		pAdapter = nullptr;
 	}
 
+	if ( !SUCCEEDED( hres ) )
+	{
+		LOG( FATAL ) << "Failed to create D3D device" << std::hex << hres;
+		return;
+	}
+
 	aardvark::GadgetParams_t params = { "http://localhost:23842/gadgets/aardvark_renderer", "", aardvark::EndpointAddr_t() };
 	startGadget( params );
 }