1 files changed, 71 insertions, 0 deletions
diff --git a/gfx/ipc/D3DMessageUtils.cpp b/gfx/ipc/D3DMessageUtils.cpp
new file mode 100644
index 0000000000..0d18d2ed00
--- /dev/null
+++ b/gfx/ipc/D3DMessageUtils.cpp
@@ -0,0 +1,71 @@
+/* -*- 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 "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(MessageWriter* aWriter,
+                                         const paramType& aParam) {
+#if defined(XP_WIN)
+  aWriter->WriteBytes(aParam.Description, sizeof(aParam.Description));
+  WriteParam(aWriter, aParam.VendorId);
+  WriteParam(aWriter, aParam.DeviceId);
+  WriteParam(aWriter, aParam.SubSysId);
+  WriteParam(aWriter, aParam.Revision);
+  WriteParam(aWriter, aParam.DedicatedVideoMemory);
+  WriteParam(aWriter, aParam.DedicatedSystemMemory);
+  WriteParam(aWriter, aParam.SharedSystemMemory);
+  WriteParam(aWriter, aParam.AdapterLuid.LowPart);
+  WriteParam(aWriter, aParam.AdapterLuid.HighPart);
+#endif
+}
+
+bool ParamTraits<DxgiAdapterDesc>::Read(MessageReader* aReader,
+                                        paramType* aResult) {
+#if defined(XP_WIN)
+  if (!aReader->ReadBytesInto(aResult->Description,
+                              sizeof(aResult->Description))) {
+    return false;
+  }
+
+  if (ReadParam(aReader, &aResult->VendorId) &&
+      ReadParam(aReader, &aResult->DeviceId) &&
+      ReadParam(aReader, &aResult->SubSysId) &&
+      ReadParam(aReader, &aResult->Revision) &&
+      ReadParam(aReader, &aResult->DedicatedVideoMemory) &&
+      ReadParam(aReader, &aResult->DedicatedSystemMemory) &&
+      ReadParam(aReader, &aResult->SharedSystemMemory) &&
+      ReadParam(aReader, &aResult->AdapterLuid.LowPart) &&
+      ReadParam(aReader, &aResult->AdapterLuid.HighPart)) {
+    return true;
+  }
+  return false;
+#else
+  return true;
+#endif
+}
+
+}  // namespace IPC