bool CoordinatedGraphicsLayer::hasPendingVisibleChanges() { if (opacity() < 0.01 && !m_animations.hasActiveAnimationsOfType(AnimatedPropertyOpacity)) return false; for (size_t i = 0; i < children().size(); ++i) { if (toCoordinatedGraphicsLayer(children()[i])->hasPendingVisibleChanges()) return true; } bool shouldSyncCanvas = false; #if USE(GRAPHICS_SURFACE) shouldSyncCanvas = m_pendingCanvasOperation & SyncCanvas; #endif if (!m_shouldSyncLayerState && !m_shouldSyncChildren && !m_shouldSyncFilters && !m_shouldSyncImageBacking && !m_shouldSyncAnimations && !shouldSyncCanvas) return false; return tiledBackingStoreVisibleRect().intersects(tiledBackingStoreContentsRect()); }
bool CoordinatedGraphicsLayer::imageBackingVisible() { ASSERT(m_coordinatedImageBacking); return tiledBackingStoreVisibleRect().intersects(IntRect(contentsRect())); }