auto import from //depot/cupcake/@135843
diff --git a/opengl/libagl/Tokenizer.h b/opengl/libagl/Tokenizer.h
new file mode 100644
index 0000000..ac555cb
--- /dev/null
+++ b/opengl/libagl/Tokenizer.h
@@ -0,0 +1,59 @@
+/* libs/opengles/Tokenizer.h
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+
+#ifndef ANDROID_OPENGLES_TOKENIZER_H
+#define ANDROID_OPENGLES_TOKENIZER_H
+
+#include <utils/Vector.h>
+#include <utils/Errors.h>
+
+// ----------------------------------------------------------------------------
+
+namespace android {
+
+class Tokenizer
+{
+public:
+ Tokenizer();
+ Tokenizer(const Tokenizer& other);
+ ~Tokenizer();
+
+ uint32_t acquire();
+ status_t reserve(uint32_t token);
+ status_t release(uint32_t token);
+ bool isAcquired(uint32_t token) const;
+
+ void dump() const;
+
+ struct run_t {
+ run_t() {};
+ run_t(uint32_t f, uint32_t l) : first(f), length(l) {}
+ uint32_t first;
+ uint32_t length;
+ };
+private:
+ ssize_t _indexOrderOf(uint32_t token, size_t* order=0) const;
+ ssize_t _insertTokenAt(uint32_t token, size_t index);
+ Vector<run_t> mRanges;
+};
+
+}; // namespace android
+
+// ----------------------------------------------------------------------------
+
+#endif // ANDROID_OPENGLES_TOKENIZER_H