diff -up cogl-1.14.0/cogl/winsys/cogl-winsys-glx.c.jx cogl-1.14.0/cogl/winsys/cogl-winsys-glx.c
--- cogl-1.14.0/cogl/winsys/cogl-winsys-glx.c.jx	2013-02-21 10:41:08.000000000 -0500
+++ cogl-1.14.0/cogl/winsys/cogl-winsys-glx.c	2014-01-28 14:03:25.939579533 -0500
@@ -698,7 +698,7 @@ update_winsys_features (CoglContext *con
   COGL_FLAGS_SET (context->features,
                   COGL_FEATURE_ID_ONSCREEN_MULTIPLE, TRUE);
 
-  if (glx_renderer->glXCopySubBuffer || context->glBlitFramebuffer)
+  if (0)
     {
       CoglGpuInfoArchitecture arch;