diff --git a/gtk-vnc-0.3.4-render.patch b/gtk-vnc-0.3.4-render.patch
new file mode 100644
index 0000000..7ca059c
--- /dev/null
+++ b/gtk-vnc-0.3.4-render.patch
@@ -0,0 +1,67 @@
+diff -r 6f18ca44fbe3 src/vncdisplay.c
+--- a/src/vncdisplay.c	Thu Apr 03 12:57:25 2008 -0300
++++ b/src/vncdisplay.c	Thu Apr 03 14:23:16 2008 -0400
+@@ -325,7 +325,7 @@
+ 		glPixelStorei(GL_UNPACK_ROW_LENGTH, priv->fb.width);
+ 		glTexSubImage2D(GL_TEXTURE_2D, 0,
+ 				x, y, w, h,
+-				GL_BGRA_EXT /* GL_RGB */,
++				GL_RGBA,
+ 				GL_UNSIGNED_BYTE,
+ 				priv->gl_tex_data +
+ 				y * 4 * priv->fb.width +
+@@ -340,7 +340,7 @@
+ 		glTexCoord2f(0,0);  glVertex3f(wx, wy+wh, 0);
+ 		glTexCoord2f(rx,0);  glVertex3f(wx+ww, wy+wh, 0);
+ 		glTexCoord2f(rx,ry);  glVertex3f(wx+ww, wy, 0);
+-		glEnd();
++		glEnd();		
+ 		glDisable(GL_TEXTURE_2D);
+ 		glFlush();
+ 		gdk_gl_drawable_gl_end(priv->gl_drawable);
+@@ -853,8 +853,8 @@
+ 	VncDisplayPrivate *priv = obj->priv;
+ 	GdkVisual *visual;
+ 
+-	visual = gdk_screen_get_system_visual(gdk_screen_get_default());
+-	
++	visual = gdk_drawable_get_visual(GTK_WIDGET(obj)->window);
++
+ 	priv->image = gdk_image_new(GDK_IMAGE_FASTEST, visual, width, height);
+ 	GVNC_DEBUG("Visual mask: %3d %3d %3d\n      shift: %3d %3d %3d\n",
+ 		   visual->red_mask,
+@@ -1170,8 +1170,8 @@
+ {
+ 	VncDisplayPrivate *priv = obj->priv;
+ 
+-	if (priv->allow_scaling &&
+-	    (priv->fb.height != width ||
++	if (priv->allow_scaling && 
++	    (priv->fb.width != width ||
+ 	     priv->fb.height != height))
+ 		scale_display(obj, width, height);
+ 	else if (priv->gl_enabled) {
+@@ -2010,13 +2010,6 @@
+ 	GtkObject *obj = GTK_OBJECT(display);
+ 	GtkWidget *widget = GTK_WIDGET(display);
+ 	VncDisplayPrivate *priv;
+-#if WITH_GTKGLEXT
+-	static const int attrib[] = { GDK_GL_RGBA,
+-				      GDK_GL_RED_SIZE, 1,
+-				      GDK_GL_GREEN_SIZE, 1,
+-				      GDK_GL_BLUE_SIZE, 1,
+-				      GDK_GL_ATTRIB_LIST_NONE };
+-#endif
+ 
+ 	g_signal_connect(obj, "expose-event",
+ 			 G_CALLBACK(expose_event), NULL);
+@@ -2073,7 +2066,8 @@
+ 
+ #if WITH_GTKGLEXT
+ 	if (gtk_gl_init_check(NULL, NULL)) {
+-		priv->gl_config = gdk_gl_config_new(attrib);
++		priv->gl_config = gdk_gl_config_new_by_mode(GDK_GL_MODE_RGB |
++							    GDK_GL_MODE_DEPTH);
+ 		if (!gtk_widget_set_gl_capability(widget,
+ 						  priv->gl_config,
+ 						  NULL,
diff --git a/gtk-vnc.spec b/gtk-vnc.spec
index eea1316..e591568 100644
--- a/gtk-vnc.spec
+++ b/gtk-vnc.spec
@@ -7,7 +7,7 @@
 Summary: A GTK widget for VNC clients
 Name: gtk-vnc
 Version: 0.3.4
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: LGPLv2+
 Group: Development/Libraries
 Source: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
@@ -15,6 +15,7 @@ Patch1: %{name}-%{version}-scaling-crash.patch
 Patch2: %{name}-%{version}-makecontext.patch
 Patch3: %{name}-%{version}-endianess.patch
 Patch4: %{name}-%{version}-protocol-version.patch
+Patch5: %{name}-%{version}-render.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 URL: http://gtk-vnc.sf.net/
 BuildRequires: gtk2-devel pygtk2-devel python-devel zlib-devel
@@ -75,6 +76,7 @@ browsers.
 %patch2 -p1
 %patch3 -p1
 %patch4 -p1
+%patch5 -p1
 
 %build
 %if %{with_plugin}
@@ -128,6 +130,9 @@ rm -fr %{buildroot}
 %endif
 
 %changelog
+* Thu Apr  3 2008 Daniel P. Berrange <berrange@redhat.com> - 0.3.4-3.fc9
+- Fix OpenGL rendering artifacts (rhbz #440184)
+
 * Thu Apr  3 2008 Daniel P. Berrange <berrange@redhat.com> - 0.3.4-2.fc9
 - Fixed endianness conversions
 - Fix makecontext() args crash on x86_64