opengl 3.3 renderer integration, minor renderer tweaks

drivermode.cpp

@@ -238,10 +238,11 @@ driver_mode::update() {
 
     // NOTE: particle system runs on simulation time, but needs actual camera position to determine how to update each particle source
     simulation::Particles.update();
-    GfxRenderer->Update( deltarealtime );
 
     simulation::is_ready = true;
 
+    GfxRenderer->Update( deltarealtime );
+
     return true;
 }