Issue #1829 - Revert "Issue #1751"

gfx/layers/ipc/ShadowLayerUtils.h

@@ -1,4 +1,6 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* -*- 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/. */
@@ -11,6 +13,10 @@
 #include "SurfaceTypes.h"
 #include "mozilla/WidgetUtils.h"
 
+#if defined(XP_MACOSX)
+#define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS
+#endif
+
 #if defined(MOZ_X11)
 # include "mozilla/layers/ShadowLayerUtilsX11.h"
 #else

gfx/layers/ipc/ShadowLayerUtilsMac.cpp

@@ -0,0 +1,40 @@
+/* -*- 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/. */
+
+#include "mozilla/gfx/Point.h"
+#include "mozilla/layers/PLayerTransaction.h"
+#include "mozilla/layers/ShadowLayers.h"
+#include "mozilla/layers/LayerManagerComposite.h"
+#include "mozilla/layers/CompositorTypes.h"
+
+#include "gfx2DGlue.h"
+#include "gfxPlatform.h"
+
+using namespace mozilla::gl;
+
+namespace mozilla {
+namespace layers {
+
+/*static*/ void
+ShadowLayerForwarder::PlatformSyncBeforeUpdate()
+{
+}
+
+/*static*/ void
+LayerManagerComposite::PlatformSyncBeforeReplyUpdate()
+{
+}
+
+/*static*/ bool
+LayerManagerComposite::SupportsDirectTexturing()
+{
+  return false;
+}
+
+
+} // namespace layers
+} // namespace mozilla