Bug 808469 - Use gfxQuartzSurface for OMTC drawing on mac. r=cjones

gfx/layers/ipc/ShadowLayerUtilsMac.cpp

@@ -0,0 +1,94 @@
+/* -*- 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/layers/PLayers.h"
+#include "mozilla/layers/ShadowLayers.h"
+ 
+#include "gfxPlatform.h"
+
+#include "gfxSharedQuartzSurface.h"
+
+using namespace mozilla::gl;
+
+namespace mozilla {
+namespace layers {
+
+bool
+ShadowLayerForwarder::PlatformAllocBuffer(const gfxIntSize& aSize,
+                                          gfxASurface::gfxContentType aContent,
+                                          uint32_t aCaps,
+                                          SurfaceDescriptor* aBuffer)
+{
+  return false;
+}
+
+/*static*/ already_AddRefed<gfxASurface>
+ShadowLayerForwarder::PlatformOpenDescriptor(OpenMode aMode,
+                                             const SurfaceDescriptor& aSurface)
+{
+  if (SurfaceDescriptor::TShmem != aSurface.type()) {
+    return nullptr;
+  }
+  return gfxSharedQuartzSurface::Open(aSurface.get_Shmem());
+}
+
+/*static*/ bool
+ShadowLayerForwarder::PlatformCloseDescriptor(const SurfaceDescriptor& aDescriptor)
+{
+  return false;
+}
+
+/*static*/ bool
+ShadowLayerForwarder::PlatformGetDescriptorSurfaceContentType(
+  const SurfaceDescriptor& aDescriptor, OpenMode aMode,
+  gfxContentType* aContent,
+  gfxASurface** aSurface)
+{
+  return false;
+}
+
+/*static*/ bool
+ShadowLayerForwarder::PlatformGetDescriptorSurfaceSize(
+  const SurfaceDescriptor& aDescriptor, OpenMode aMode,
+  gfxIntSize* aSize,
+  gfxASurface** aSurface)
+{
+  return false;
+}
+
+bool
+ShadowLayerForwarder::PlatformDestroySharedSurface(SurfaceDescriptor* aSurface)
+{
+  return false;
+}
+
+/*static*/ void
+ShadowLayerForwarder::PlatformSyncBeforeUpdate()
+{
+}
+
+/*static*/ void
+ShadowLayerManager::PlatformSyncBeforeReplyUpdate()
+{
+}
+
+bool
+ShadowLayerManager::PlatformDestroySharedSurface(SurfaceDescriptor*)
+{
+  return false;
+}
+
+/*static*/ already_AddRefed<TextureImage>
+ShadowLayerManager::OpenDescriptorForDirectTexturing(GLContext*,
+                                                     const SurfaceDescriptor&,
+                                                     GLenum)
+{
+  return nullptr;
+}
+
+} // namespace layers
+} // namespace mozilla