void PaintController::checkCachedDisplayItemIsUnchanged(const char* messagePrefix, const DisplayItem& newItem, const DisplayItem& oldItem)
{
ASSERT(RuntimeEnabledFeatures::slimmingPaintUnderInvalidationCheckingEnabled());
ASSERT(!newItem.isCached());
ASSERT(!oldItem.isCached());
if (newItem.skippedCache()) {
showUnderInvalidationError(messagePrefix, "ERROR: under-invalidation: skipped-cache in cached subsequence", &newItem, &oldItem);
ASSERT_NOT_REACHED();
}
if (newItem.isCacheable() && !m_validlyCachedClients.contains(&newItem.client())) {
showUnderInvalidationError(messagePrefix, "ERROR: under-invalidation: invalidated in cached subsequence", &newItem, &oldItem);
ASSERT_NOT_REACHED();
}
if (newItem.equals(oldItem))
return;
showUnderInvalidationError(messagePrefix, "ERROR: under-invalidation: display item changed", &newItem, &oldItem);
#ifndef NDEBUG
if (newItem.isDrawing()) {
RefPtr<const SkPicture> newPicture = static_cast<const DrawingDisplayItem&>(newItem).picture();
RefPtr<const SkPicture> oldPicture = static_cast<const DrawingDisplayItem&>(oldItem).picture();
String oldPictureDebugString = oldPicture ? pictureAsDebugString(oldPicture.get()) : "None";
String newPictureDebugString = newPicture ? pictureAsDebugString(newPicture.get()) : "None";
WTFLogAlways("old picture:\n%s\n", oldPictureDebugString.utf8().data());
WTFLogAlways("new picture:\n%s\n", newPictureDebugString.utf8().data());
}
#endif // NDEBUG
ASSERT_NOT_REACHED();
}
void PaintController::processNewItem(DisplayItem& displayItem)
{
ASSERT(!m_constructionDisabled);
ASSERT(!skippingCache() || !displayItem.isCached());
if (displayItem.isCached())
++m_numCachedNewItems;
#if ENABLE(ASSERT)
// Verify noop begin/end pairs have been removed.
if (m_newDisplayItemList.size() >= 2 && displayItem.isEnd()) {
const auto& beginDisplayItem = m_newDisplayItemList[m_newDisplayItemList.size() - 2];
if (beginDisplayItem.isBegin() && beginDisplayItem.type() != DisplayItem::Subsequence && !beginDisplayItem.drawsContent())
ASSERT(!displayItem.isEndAndPairedWith(beginDisplayItem.type()));
}
#endif
if (!m_scopeStack.isEmpty())
displayItem.setScope(m_scopeStack.last());
#if ENABLE(ASSERT)
size_t index = findMatchingItemFromIndex(displayItem.nonCachedId(), m_newDisplayItemIndicesByClient, m_newDisplayItemList);
if (index != kNotFound) {
#ifndef NDEBUG
showDebugData();
WTFLogAlways("DisplayItem %s has duplicated id with previous %s (index=%d)\n",
displayItem.asDebugString().utf8().data(), m_newDisplayItemList[index].asDebugString().utf8().data(), static_cast<int>(index));
#endif
ASSERT_NOT_REACHED();
}
addItemToIndexIfNeeded(displayItem, m_newDisplayItemList.size() - 1, m_newDisplayItemIndicesByClient);
#endif // ENABLE(ASSERT)
if (skippingCache())
displayItem.setSkippedCache();
if (RuntimeEnabledFeatures::slimmingPaintV2Enabled())
m_newPaintChunks.incrementDisplayItemIndex();
}
