1 files changed, 0 insertions, 152 deletions
diff --git a/experimental/sksg/SkSGNode.cpp b/experimental/sksg/SkSGNode.cpp
deleted file mode 100644
index 35b2640dbb..0000000000
--- a/experimental/sksg/SkSGNode.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright 2017 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkRectPriv.h"
-#include "SkSGNode.h"
-#include "SkSGInvalidationController.h"
-
-namespace sksg {
-
-class Node::ScopedFlag {
-public:
-    ScopedFlag(Node* node, uint32_t flag)
-        : fNode(node)
-        , fFlag(flag)
-        , fWasSet(node->fFlags & flag) {
-        node->fFlags |= flag;
-    }
-    ~ScopedFlag() {
-        if (!fWasSet) {
-            fNode->fFlags &= ~fFlag;;
-        }
-    }
-
-    bool wasSet() const { return fWasSet; }
-
-private:
-    Node*    fNode;
-    uint32_t fFlag;
-    bool     fWasSet;
-};
-
-#define TRAVERSAL_GUARD                                  \
-    ScopedFlag traversal_guard(this, kInTraversal_Flag); \
-    if (traversal_guard.wasSet())                        \
-        return
-
-Node::Node(uint32_t invalTraits)
-    : fInvalObserver(nullptr)
-    , fBounds(SkRectPriv::MakeLargeS32())
-    , fInvalTraits(invalTraits)
-    , fFlags(kInvalidated_Flag) {}
-
-Node::~Node() {
-    if (fFlags & kObserverArray_Flag) {
-        SkASSERT(fInvalObserverArray->isEmpty());
-        delete fInvalObserverArray;
-    } else {
-        SkASSERT(!fInvalObserver);
-    }
-}
-
-void Node::observeInval(const sk_sp<Node>& node) {
-    SkASSERT(node);
-    if (!(node->fFlags & kObserverArray_Flag)) {
-        if (!node->fInvalObserver) {
-            node->fInvalObserver = this;
-            return;
-        }
-
-        auto observers = new SkTDArray<Node*>();
-        observers->setReserve(2);
-        observers->push(node->fInvalObserver);
-
-        node->fInvalObserverArray = observers;
-        node->fFlags |= kObserverArray_Flag;
-    }
-
-    // No duplicate observers.
-    SkASSERT(node->fInvalObserverArray->find(this) < 0);
-
-    node->fInvalObserverArray->push(this);
-}
-
-void Node::unobserveInval(const sk_sp<Node>& node) {
-    SkASSERT(node);
-    if (!(node->fFlags & kObserverArray_Flag)) {
-        SkASSERT(node->fInvalObserver == this);
-        node->fInvalObserver = nullptr;
-        return;
-    }
-
-    const auto idx = node->fInvalObserverArray->find(this);
-    SkASSERT(idx >= 0);
-    node->fInvalObserverArray->remove(idx);
-}
-
-template <typename Func>
-void Node::forEachInvalObserver(Func&& func) const {
-    if (fFlags & kObserverArray_Flag) {
-        for (const auto& parent : *fInvalObserverArray) {
-            func(parent);
-        }
-        return;
-    }
-
-    if (fInvalObserver) {
-        func(fInvalObserver);
-    }
-}
-
-void Node::invalidate(bool damageBubbling) {
-    TRAVERSAL_GUARD;
-
-    if (this->hasInval() && (!damageBubbling || (fFlags & kDamage_Flag))) {
-        // All done.
-        return;
-    }
-
-    if (damageBubbling && !(fInvalTraits & kBubbleDamage_Trait)) {
-        // Found a damage observer.
-        fFlags |= kDamage_Flag;
-        damageBubbling = false;
-    }
-
-    fFlags |= kInvalidated_Flag;
-
-    forEachInvalObserver([&](Node* observer) {
-        observer->invalidate(damageBubbling);
-    });
-}
-
-const SkRect& Node::revalidate(InvalidationController* ic, const SkMatrix& ctm) {
-    TRAVERSAL_GUARD fBounds;
-
-    if (!this->hasInval()) {
-        return fBounds;
-    }
-
-    SkRect prevBounds;
-    if (fFlags & kDamage_Flag) {
-        prevBounds = fBounds;
-    }
-
-    fBounds = this->onRevalidate(ic, ctm);
-
-    if (fFlags & kDamage_Flag) {
-        ic->inval(prevBounds, ctm);
-        if (fBounds != prevBounds) {
-            ic->inval(fBounds, ctm);
-        }
-    }
-
-    fFlags &= ~(kInvalidated_Flag | kDamage_Flag);
-
-    return fBounds;
-}
-
-} // namespace sksg