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-rw-r--r--layout/painting/MaskLayerImageCache.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/layout/painting/MaskLayerImageCache.cpp b/layout/painting/MaskLayerImageCache.cpp
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+++ b/layout/painting/MaskLayerImageCache.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "MaskLayerImageCache.h"
+
+#include "ImageContainer.h"
+#include "mozilla/layers/KnowsCompositor.h"
+
+using namespace mozilla::layers;
+
+namespace mozilla {
+
+MaskLayerImageCache::MaskLayerImageCache() {
+ MOZ_COUNT_CTOR(MaskLayerImageCache);
+}
+MaskLayerImageCache::~MaskLayerImageCache() {
+ MOZ_COUNT_DTOR(MaskLayerImageCache);
+}
+
+void MaskLayerImageCache::Sweep() {
+ for (auto iter = mMaskImageContainers.Iter(); !iter.Done(); iter.Next()) {
+ const auto& key = iter.Get()->mKey;
+ if (key->HasZeroLayerCount()) {
+ iter.Remove();
+ }
+ }
+}
+
+ImageContainer* MaskLayerImageCache::FindImageFor(
+ const MaskLayerImageKey** aKey) {
+ if (MaskLayerImageEntry* entry = mMaskImageContainers.GetEntry(**aKey)) {
+ *aKey = entry->mKey.get();
+ return entry->mContainer;
+ }
+
+ return nullptr;
+}
+
+void MaskLayerImageCache::PutImage(const MaskLayerImageKey* aKey,
+ ImageContainer* aContainer) {
+ MaskLayerImageEntry* entry = mMaskImageContainers.PutEntry(*aKey);
+ entry->mContainer = aContainer;
+}
+
+MaskLayerImageCache::MaskLayerImageKey::MaskLayerImageKey()
+ : mRoundedClipRects(), mLayerCount(0) {
+ MOZ_COUNT_CTOR(MaskLayerImageKey);
+}
+
+MaskLayerImageCache::MaskLayerImageKey::MaskLayerImageKey(
+ const MaskLayerImageKey& aKey)
+ : mRoundedClipRects(aKey.mRoundedClipRects.Clone()),
+ mLayerCount(aKey.mLayerCount) {
+ MOZ_COUNT_CTOR(MaskLayerImageKey);
+}
+
+MaskLayerImageCache::MaskLayerImageKey::~MaskLayerImageKey() {
+ MOZ_COUNT_DTOR(MaskLayerImageKey);
+}
+
+} // namespace mozilla