import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

gfx/ipc/GraphicsMessages.ipdlh

@@ -0,0 +1,87 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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/. */
+
+using struct DxgiAdapterDesc from "mozilla/D3DMessageUtils.h";
+using struct mozilla::null_t from "ipc/IPCMessageUtils.h";
+using mozilla::gfx::FeatureStatus from "gfxTelemetry.h";
+using mozilla::gfx::BackendType from "mozilla/gfx/Types.h";
+using mozilla::gfx::IntSize from "mozilla/gfx/Point.h";
+using gfxImageFormat from "mozilla/gfx/Types.h";
+
+namespace mozilla {
+namespace gfx {
+
+struct D3D11DeviceStatus
+{
+  bool isWARP;
+  bool textureSharingWorks;
+  uint32_t featureLevel;
+  DxgiAdapterDesc adapter;
+};
+
+struct DevicePrefs
+{
+  FeatureStatus hwCompositing;
+  FeatureStatus d3d11Compositing;
+  FeatureStatus d3d9Compositing;
+  FeatureStatus oglCompositing;
+  FeatureStatus useD2D1;
+};
+
+struct ContentDeviceData
+{
+  DevicePrefs prefs;
+  D3D11DeviceStatus d3d11;
+};
+
+// Represents the state of a feature that has failed to initialize.
+struct FeatureFailure
+{
+  FeatureStatus status;
+  nsCString message;
+  nsCString failureId;
+};
+
+// If a feature state has changed from Enabled -> Failure, this will be non-
+// null.
+union FeatureChange
+{
+  null_t;
+  FeatureFailure;
+};
+
+union GPUDeviceStatus
+{
+  null_t;
+  D3D11DeviceStatus;
+};
+
+struct GPUDeviceData
+{
+  FeatureChange d3d11Compositing;
+  FeatureChange d3d9Compositing;
+  FeatureChange oglCompositing;
+  GPUDeviceStatus gpuDevice;
+};
+
+union GfxVarValue
+{
+  BackendType;
+  bool;
+  gfxImageFormat;
+  IntSize;
+  nsCString;
+};
+
+struct GfxVarUpdate
+{
+  size_t index;
+  GfxVarValue value;
+};
+
+} // namespace gfx
+} // namespace mozilla