1699         Region visibleRegion;  in computeVisibleRegions()  local
1722             visibleRegion.set(bounds);  in computeVisibleRegions()
1723             if (!visibleRegion.isEmpty()) {  in computeVisibleRegions()
1742                     opaqueRegion = visibleRegion;  in computeVisibleRegions()
1748         coveredRegion = aboveCoveredLayers.intersect(visibleRegion);  in computeVisibleRegions()
1751         aboveCoveredLayers.orSelf(visibleRegion);  in computeVisibleRegions()
1754         visibleRegion.subtractSelf(aboveOpaqueLayers);  in computeVisibleRegions()
1759             dirty = visibleRegion;  in computeVisibleRegions()
1761             dirty.orSelf(layer->visibleRegion);  in computeVisibleRegions()
1776             const Region newExposed = visibleRegion - coveredRegion;  in computeVisibleRegions()
1777             const Region oldVisibleRegion = layer->visibleRegion;  in computeVisibleRegions()
1780             dirty = (visibleRegion&oldCoveredRegion) | (newExposed-oldExposed);  in computeVisibleRegions()
1791         layer->setVisibleRegion(visibleRegion);  in computeVisibleRegions()
1794                 visibleRegion.subtract(transparentRegion));  in computeVisibleRegions()
2009                     displayTransform.transform(layer->visibleRegion)));  in doComposeSurfaces()
2044                     displayTransform.transform(layer->visibleRegion)));  in doComposeSurfaces()