1 files changed, 31 insertions, 0 deletions
diff --git a/ui/gl/gl_fence.h b/ui/gl/gl_fence.h
new file mode 100644
index 0000000..62a7116
--- /dev/null
+++ b/ui/gl/gl_fence.h
@@ -0,0 +1,31 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_GL_GL_FENCE_H_
+#define UI_GL_GL_FENCE_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "ui/gl/gl_export.h"
+
+namespace gfx {
+
+class GL_EXPORT GLFence {
+ public:
+  GLFence();
+  virtual ~GLFence();
+
+  static GLFence* Create();
+  virtual bool HasCompleted() = 0;
+
+ protected:
+  static bool IsContextLost();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GLFence);
+};
+
+}  // namespace gfx
+
+#endif  // UI_GL_GL_FENCE_H_