Ejemplo n.º 1
0
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);
    }
}
Ejemplo n.º 2
0
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);
    }
}