void RenderLayerModelObject::setBackingNeedsPaintInvalidationInRect(const LayoutRect& r, PaintInvalidationReason invalidationReason) const
{
// https://bugs.webkit.org/show_bug.cgi?id=61159 describes an unreproducible crash here,
// so assert but check that the layer is composited.
ASSERT(compositingState() != NotComposited);
// FIXME: generalize accessors to backing GraphicsLayers so that this code is squashing-agnostic.
if (layer()->groupedMapping()) {
LayoutRect paintInvalidationRect = r;
if (GraphicsLayer* squashingLayer = layer()->groupedMapping()->squashingLayer()) {
// Note: the subpixel accumulation of layer() does not need to be added here. It is already taken into account.
squashingLayer->setNeedsDisplayInRect(pixelSnappedIntRect(paintInvalidationRect), invalidationReason);
}
} else {
layer()->compositedLayerMapping()->setContentsNeedDisplayInRect(r, invalidationReason);
}
}
void RenderLayerModelObject::setBackingNeedsPaintInvalidationInRect(const LayoutRect& r, InvalidationReason invalidationReason) const
{
// https://bugs.webkit.org/show_bug.cgi?id=61159 describes an unreproducible crash here,
// so assert but check that the layer is composited.
ASSERT(compositingState() != NotComposited);
const char* reasonString = firstPaintInvalidationTrackingEnabled() ? invalidationReasonToString(invalidationReason) : "";
// FIXME: generalize accessors to backing GraphicsLayers so that this code is squashing-agnostic.
if (layer()->groupedMapping()) {
LayoutRect paintInvalidationRect = r;
paintInvalidationRect.move(layer()->subpixelAccumulation());
if (GraphicsLayer* squashingLayer = layer()->groupedMapping()->squashingLayer())
squashingLayer->setNeedsDisplayInRect(pixelSnappedIntRect(paintInvalidationRect), reasonString);
} else {
layer()->compositedLayerMapping()->setContentsNeedDisplayInRect(r, reasonString);
}
}