File bug-449168-avoid-independent-output-painting.diff of Package compiz

--- a/src/display.c
+++ b/src/display.c
@@ -1676,7 +1676,7 @@ eventLoop (void)
 			}
 
 			if (s->opt[COMP_SCREEN_OPTION_FORCE_INDEPENDENT].value.b
-			    || !s->hasOverlappingOutputs)
+			    && !s->hasOverlappingOutputs)
 			    (*s->paintScreen) (s, s->outputDev,
 					       s->nOutputDev,
 					       mask);