1 files changed, 110 insertions, 0 deletions
diff --git a/gfx/layers/wr/RenderRootTypes.cpp b/gfx/layers/wr/RenderRootTypes.cpp
new file mode 100644
index 0000000000..18385fa85e
--- /dev/null
+++ b/gfx/layers/wr/RenderRootTypes.cpp
@@ -0,0 +1,110 @@
+/* -*- 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 "RenderRootTypes.h"
+#include "mozilla/layers/WebRenderMessageUtils.h"
+#include "mozilla/layers/WebRenderBridgeChild.h"
+
+namespace mozilla {
+namespace ipc {
+
+void IPDLParamTraits<mozilla::layers::DisplayListData>::Write(
+    IPC::MessageWriter* aWriter, IProtocol* aActor, paramType&& aParam) {
+  WriteIPDLParam(aWriter, aActor, aParam.mIdNamespace);
+  WriteIPDLParam(aWriter, aActor, aParam.mRect);
+  WriteIPDLParam(aWriter, aActor, aParam.mCommands);
+  WriteIPDLParam(aWriter, aActor, std::move(aParam.mDLItems));
+  WriteIPDLParam(aWriter, aActor, std::move(aParam.mDLCache));
+  WriteIPDLParam(aWriter, aActor, std::move(aParam.mDLSpatialTree));
+  WriteIPDLParam(aWriter, aActor, aParam.mDLDesc);
+  WriteIPDLParam(aWriter, aActor, aParam.mRemotePipelineIds);
+  WriteIPDLParam(aWriter, aActor, aParam.mResourceUpdates);
+  WriteIPDLParam(aWriter, aActor, aParam.mSmallShmems);
+  WriteIPDLParam(aWriter, aActor, std::move(aParam.mLargeShmems));
+  WriteIPDLParam(aWriter, aActor, aParam.mScrollData);
+}
+
+bool IPDLParamTraits<mozilla::layers::DisplayListData>::Read(
+    IPC::MessageReader* aReader, IProtocol* aActor, paramType* aResult) {
+  if (ReadIPDLParam(aReader, aActor, &aResult->mIdNamespace) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mRect) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mCommands) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mDLItems) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mDLCache) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mDLSpatialTree) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mDLDesc) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mRemotePipelineIds) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mResourceUpdates) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mSmallShmems) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mLargeShmems) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mScrollData)) {
+    return true;
+  }
+  return false;
+}
+
+void WriteScrollUpdates(IPC::MessageWriter* aWriter, IProtocol* aActor,
+                        layers::ScrollUpdatesMap& aParam) {
+  // ICK: we need to manually serialize this map because
+  // nsDataHashTable doesn't support it (and other maps cause other issues)
+  WriteIPDLParam(aWriter, aActor, aParam.Count());
+  for (auto it = aParam.ConstIter(); !it.Done(); it.Next()) {
+    WriteIPDLParam(aWriter, aActor, it.Key());
+    WriteIPDLParam(aWriter, aActor, it.Data());
+  }
+}
+
+bool ReadScrollUpdates(IPC::MessageReader* aReader, IProtocol* aActor,
+                       layers::ScrollUpdatesMap* aResult) {
+  // Manually deserialize mScrollUpdates as a stream of K,V pairs
+  uint32_t count;
+  if (!ReadIPDLParam(aReader, aActor, &count)) {
+    return false;
+  }
+
+  layers::ScrollUpdatesMap map(count);
+  for (size_t i = 0; i < count; ++i) {
+    layers::ScrollableLayerGuid::ViewID key;
+    nsTArray<mozilla::ScrollPositionUpdate> data;
+    if (!ReadIPDLParam(aReader, aActor, &key) ||
+        !ReadIPDLParam(aReader, aActor, &data)) {
+      return false;
+    }
+    map.InsertOrUpdate(key, std::move(data));
+  }
+
+  MOZ_RELEASE_ASSERT(map.Count() == count);
+  *aResult = std::move(map);
+  return true;
+}
+
+void IPDLParamTraits<mozilla::layers::TransactionData>::Write(
+    IPC::MessageWriter* aWriter, IProtocol* aActor, paramType&& aParam) {
+  WriteIPDLParam(aWriter, aActor, aParam.mIdNamespace);
+  WriteIPDLParam(aWriter, aActor, aParam.mCommands);
+  WriteIPDLParam(aWriter, aActor, aParam.mResourceUpdates);
+  WriteIPDLParam(aWriter, aActor, aParam.mSmallShmems);
+  WriteIPDLParam(aWriter, aActor, std::move(aParam.mLargeShmems));
+  WriteScrollUpdates(aWriter, aActor, aParam.mScrollUpdates);
+  WriteIPDLParam(aWriter, aActor, aParam.mPaintSequenceNumber);
+}
+
+bool IPDLParamTraits<mozilla::layers::TransactionData>::Read(
+    IPC::MessageReader* aReader, IProtocol* aActor, paramType* aResult) {
+  if (ReadIPDLParam(aReader, aActor, &aResult->mIdNamespace) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mCommands) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mResourceUpdates) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mSmallShmems) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mLargeShmems) &&
+      ReadScrollUpdates(aReader, aActor, &aResult->mScrollUpdates) &&
+      ReadIPDLParam(aReader, aActor, &aResult->mPaintSequenceNumber)) {
+    return true;
+  }
+  return false;
+}
+
+}  // namespace ipc
+}  // namespace mozilla