1 files changed, 49 insertions, 0 deletions
diff --git a/gfx/layers/TextureSync.h b/gfx/layers/TextureSync.h
new file mode 100644
index 0000000000..a48646fcee
--- /dev/null
+++ b/gfx/layers/TextureSync.h
@@ -0,0 +1,49 @@
+/* -*- 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/. */
+
+#ifndef MOZILLA_LAYERS_TEXTURESYNC_H
+#define MOZILLA_LAYERS_TEXTURESYNC_H
+
+#include "base/process.h"
+
+#include "nsTArray.h"
+#include "mozilla/layers/TextureSourceProvider.h"
+
+#include "SharedMemory.h"
+
+class MachReceiveMessage;
+
+namespace mozilla {
+namespace ipc {
+struct MemoryPorts;
+}  // namespace ipc
+
+namespace layers {
+
+class TextureSync {
+ public:
+  static void RegisterTextureSourceProvider(
+      layers::TextureSourceProvider* aTextureSourceProvider);
+  static void UnregisterTextureSourceProvider(
+      layers::TextureSourceProvider* aTextureSourceProvider);
+  static void DispatchCheckTexturesForUnlock();
+  static void HandleWaitForTexturesMessage(MachReceiveMessage* rmsg,
+                                           ipc::MemoryPorts* ports);
+  static void UpdateTextureLocks(base::ProcessId aProcessId);
+  static bool WaitForTextures(base::ProcessId aProcessId,
+                              const nsTArray<uint64_t>& aTextureIds);
+  static void SetTexturesLocked(base::ProcessId aProcessId,
+                                const nsTArray<uint64_t>& aTextureIds);
+  static void SetTexturesUnlocked(base::ProcessId aProcessId,
+                                  const nsTArray<uint64_t>& aTextureIds);
+  static void Shutdown();
+  static void CleanupForPid(base::ProcessId aProcessId);
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif