1 files changed, 81 insertions, 0 deletions
diff --git a/gfx/ipc/D3DMessageUtils.cpp b/gfx/ipc/D3DMessageUtils.cpp
new file mode 100644
index 000000000..f3895fdae
--- /dev/null
+++ b/gfx/ipc/D3DMessageUtils.cpp
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=4 et sw=4 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 "D3DMessageUtils.h"
+#if defined(XP_WIN)
+# include "gfxWindowsPlatform.h"
+#endif
+
+bool
+DxgiAdapterDesc::operator ==(const DxgiAdapterDesc& aOther) const
+{
+  return memcmp(&aOther, this, sizeof(*this)) == 0;
+}
+
+#if defined(XP_WIN)
+static_assert(sizeof(DxgiAdapterDesc) == sizeof(DXGI_ADAPTER_DESC),
+              "DXGI_ADAPTER_DESC doe snot match DxgiAdapterDesc");
+
+const DxgiAdapterDesc&
+DxgiAdapterDesc::From(const DXGI_ADAPTER_DESC& aDesc)
+{
+  return reinterpret_cast<const DxgiAdapterDesc&>(aDesc);
+}
+
+const DXGI_ADAPTER_DESC&
+DxgiAdapterDesc::ToDesc() const
+{
+  return reinterpret_cast<const DXGI_ADAPTER_DESC&>(*this);
+}
+#endif
+
+namespace IPC {
+
+void
+ParamTraits<DxgiAdapterDesc>::Write(Message* aMsg, const paramType& aParam)
+{
+#if defined(XP_WIN)
+  aMsg->WriteBytes(aParam.Description, sizeof(aParam.Description));
+  WriteParam(aMsg, aParam.VendorId);
+  WriteParam(aMsg, aParam.DeviceId);
+  WriteParam(aMsg, aParam.SubSysId);
+  WriteParam(aMsg, aParam.Revision);
+  WriteParam(aMsg, aParam.DedicatedVideoMemory);
+  WriteParam(aMsg, aParam.DedicatedSystemMemory);
+  WriteParam(aMsg, aParam.SharedSystemMemory);
+  WriteParam(aMsg, aParam.AdapterLuid.LowPart);
+  WriteParam(aMsg, aParam.AdapterLuid.HighPart);
+#else
+  MOZ_ASSERT_UNREACHABLE("DxgiAdapterDesc is Windows-only");
+#endif
+}
+
+bool
+ParamTraits<DxgiAdapterDesc>::Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+{
+#if defined(XP_WIN)
+  if (!aMsg->ReadBytesInto(aIter, aResult->Description, sizeof(aResult->Description))) {
+    return false;
+  }
+
+  if (ReadParam(aMsg, aIter, &aResult->VendorId) &&
+      ReadParam(aMsg, aIter, &aResult->DeviceId) &&
+      ReadParam(aMsg, aIter, &aResult->SubSysId) &&
+      ReadParam(aMsg, aIter, &aResult->Revision) &&
+      ReadParam(aMsg, aIter, &aResult->DedicatedVideoMemory) &&
+      ReadParam(aMsg, aIter, &aResult->DedicatedSystemMemory) &&
+      ReadParam(aMsg, aIter, &aResult->SharedSystemMemory) &&
+      ReadParam(aMsg, aIter, &aResult->AdapterLuid.LowPart) &&
+      ReadParam(aMsg, aIter, &aResult->AdapterLuid.HighPart))
+  {
+    return true;
+  }
+#else
+  MOZ_ASSERT_UNREACHABLE("DxgiAdapterDesc is Windows-only");
+#endif
+  return false;
+}
+
+} // namespace IPC