From a5a81a585e78c757339e0cbc66edbb7514e8ce4c Mon Sep 17 00:00:00 2001
From: Andrzej Kapolka <drzej.k@gmail.com>
Date: Wed, 16 Oct 2013 17:47:39 -0700
Subject: [PATCH] Fix for glow flickering.

---
 interface/src/renderer/GlowEffect.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/interface/src/renderer/GlowEffect.cpp b/interface/src/renderer/GlowEffect.cpp
index fc95ed24d6..fe46e02688 100644
--- a/interface/src/renderer/GlowEffect.cpp
+++ b/interface/src/renderer/GlowEffect.cpp
@@ -133,7 +133,7 @@ QOpenGLFramebufferObject* GlowEffect::render(bool toTexture) {
     
     QOpenGLFramebufferObject* destFBO = toTexture ?
         Application::getInstance()->getTextureCache()->getSecondaryFramebufferObject() : NULL;
-    if (_isEmpty) {
+    if (_isEmpty && _renderMode != DIFFUSE_ADD_MODE) {
         // copy the primary to the screen
         if (QOpenGLFramebufferObject::hasOpenGLFramebufferBlit()) {
             QOpenGLFramebufferObject::blitFramebuffer(destFBO, primaryFBO);