1 files changed, 37 insertions, 0 deletions
diff --git a/dom/canvas/WebGLSync.h b/dom/canvas/WebGLSync.h
new file mode 100644
index 0000000000..22c77941e2
--- /dev/null
+++ b/dom/canvas/WebGLSync.h
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 WEBGL_SYNC_H_
+#define WEBGL_SYNC_H_
+
+#include "WebGLObjectModel.h"
+
+namespace mozilla {
+namespace webgl {
+class AvailabilityRunnable;
+}  // namespace webgl
+
+class WebGLSync final : public WebGLContextBoundObject {
+  friend class WebGL2Context;
+  friend class webgl::AvailabilityRunnable;
+
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(WebGLSync, override)
+
+  const GLsync mGLName;
+  const uint64_t mFenceId;
+  bool mCanBeAvailable = false;
+
+ public:
+  WebGLSync(WebGLContext* webgl, GLenum condition, GLbitfield flags);
+
+  void MarkSignaled() const;
+
+ private:
+  ~WebGLSync() override;
+};
+
+}  // namespace mozilla
+
+#endif  // WEBGL_SYNC_H_