diff -r 000000000000 -r 6474c204b198 gfx/gl/VBOArena.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/gl/VBOArena.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * 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 VBOARENA_H_
+#define VBOARENA_H_
+
+#include "GLTypes.h"
+#include <vector>
+
+namespace mozilla {
+namespace gl {
+
+class GLContext;
+
+class VBOArena {
+public:
+    // Allocate a new VBO.
+    GLuint Allocate(GLContext *aGLContext);
+
+    // Re-use previously allocated VBOs.
+    void Reset();
+
+    // Throw away all allocated VBOs.
+    void Flush(GLContext *aGLContext);
+private:
+    std::vector<GLuint> mAllocatedVBOs;
+    std::vector<GLuint> mAvailableVBOs;
+};
+
+}
+}
+
+#endif