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diff --git a/o3d/gpu/command_buffer/service/geometry_gl.h b/o3d/gpu/command_buffer/service/geometry_gl.h
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+++ b/o3d/gpu/command_buffer/service/geometry_gl.h
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+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+// This file declares the VertexBufferGL, IndexBufferGL and VertexStructGL
+// classes.
+
+#ifndef GPU_COMMAND_BUFFER_SERVICE_GEOMETRY_GL_H_
+#define GPU_COMMAND_BUFFER_SERVICE_GEOMETRY_GL_H_
+
+#include "gpu/command_buffer/common/gapi_interface.h"
+#include "gpu/command_buffer/service/resource.h"
+#include "gpu/command_buffer/service/gl_utils.h"
+
+namespace command_buffer {
+namespace o3d {
+
+class GAPIGL;
+
+// GL version of VertexBuffer.
+class VertexBufferGL : public VertexBuffer {
+ public:
+  VertexBufferGL(unsigned int size, unsigned int flags)
+      : VertexBuffer(size, flags),
+        gl_buffer_(0) {}
+  virtual ~VertexBufferGL();
+
+  // Creates the GL vertex buffer.
+  void Create();
+
+  // Sets the data into the GL vertex buffer.
+  bool SetData(unsigned int offset, unsigned int size, const void *data);
+
+  // Gets the data from the GL vertex buffer.
+  bool GetData(unsigned int offset, unsigned int size, void *data);
+
+  // Gets the GL vertex buffer.
+  GLuint gl_buffer() const { return gl_buffer_; }
+
+ private:
+  GLuint gl_buffer_;
+  DISALLOW_COPY_AND_ASSIGN(VertexBufferGL);
+};
+
+// GL version of IndexBuffer.
+class IndexBufferGL : public IndexBuffer {
+ public:
+  IndexBufferGL(unsigned int size, unsigned int flags)
+      : IndexBuffer(size, flags),
+        gl_buffer_(0) {}
+  virtual ~IndexBufferGL();
+
+  // Creates the GL index buffer.
+  void Create();
+
+  // Sets the data into the GL index buffer.
+  bool SetData(unsigned int offset, unsigned int size, const void *data);
+
+  // Gets the data from the GL index buffer.
+  bool GetData(unsigned int offset, unsigned int size, void *data);
+
+  // Gets the GL index buffer.
+  GLuint gl_buffer() const { return gl_buffer_; }
+
+ private:
+  GLuint gl_buffer_;
+  DISALLOW_COPY_AND_ASSIGN(IndexBufferGL);
+};
+
+// GL version of VertexStruct.
+class VertexStructGL : public VertexStruct {
+ public:
+  explicit VertexStructGL(unsigned int count)
+      : VertexStruct(count),
+        dirty_(true) {}
+  virtual ~VertexStructGL() {}
+
+  // Adds an input to the vertex struct.
+  void SetInput(unsigned int input_index,
+                ResourceId vertex_buffer_id,
+                unsigned int offset,
+                unsigned int stride,
+                vertex_struct::Type type,
+                vertex_struct::Semantic semantic,
+                unsigned int semantic_index);
+
+  // Sets the input streams to GL.
+  unsigned int SetStreams(GAPIGL *gapi);
+
+ private:
+  static const unsigned int kMaxAttribs = 16;
+
+  // This struct describes the parameters that are passed to
+  // glVertexAttribPointer.
+  struct AttribDesc {
+    ResourceId vertex_buffer_id;
+    GLint size;
+    GLenum type;
+    GLboolean normalized;
+    GLsizei stride;
+    ptrdiff_t offset;
+  };
+
+  // Compiles the vertex declaration into the attribute array.
+  void Compile();
+
+  bool dirty_;
+  AttribDesc attribs_[kMaxAttribs];
+  DISALLOW_COPY_AND_ASSIGN(VertexStructGL);
+};
+
+
+}  // namespace o3d
+}  // namespace command_buffer
+
+#endif  // GPU_COMMAND_BUFFER_SERVICE_GEOMETRY_GL_H_