static void paintLayers(PaintLayer& layer, SimDisplayItemList& displayList)
{
if (layer.isAllowedToQueryCompositingState() && layer.compositingState() == PaintsIntoOwnBacking) {
CompositedLayerMapping* mapping = layer.compositedLayerMapping();
GraphicsLayer* graphicsLayer = mapping->mainGraphicsLayer();
if (graphicsLayer->hasTrackedPaintInvalidations()) {
ContentLayerDelegate* delegate = graphicsLayer->contentLayerDelegateForTesting();
delegate->paintContents(&displayList, WebRect(0, 0, layer.size().width(), layer.size().height()));
graphicsLayer->resetTrackedPaintInvalidations();
}
}
for (PaintLayer* child = layer.firstChild(); child; child = child->nextSibling())
paintLayers(*child, displayList);
}
static void paintLayers(GraphicsLayer& layer, SimDisplayItemList& displayList) {
if (layer.drawsContent() && layer.hasTrackedRasterInvalidations()) {
ContentLayerDelegate* delegate = layer.contentLayerDelegateForTesting();
delegate->paintContents(&displayList);
layer.resetTrackedRasterInvalidations();
}
if (GraphicsLayer* maskLayer = layer.maskLayer())
paintLayers(*maskLayer, displayList);
if (GraphicsLayer* contentsClippingMaskLayer =
layer.contentsClippingMaskLayer())
paintLayers(*contentsClippingMaskLayer, displayList);
for (auto child : layer.children())
paintLayers(*child, displayList);
}