File bug-449168-avoid-independent-output-painting.diff of Package compiz
Index: compiz-0.8.4/src/display.c =================================================================== --- compiz-0.8.4.orig/src/display.c +++ compiz-0.8.4/src/display.c @@ -1554,7 +1554,7 @@ eventLoop (void) } if (s->opt[COMP_SCREEN_OPTION_FORCE_INDEPENDENT].value.b - || !s->hasOverlappingOutputs) + && !s->hasOverlappingOutputs) (*s->paintScreen) (s, s->outputDev, s->nOutputDev, mask);