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diff --git a/o3d/gpu/command_buffer/service/sampler_gl.h b/o3d/gpu/command_buffer/service/sampler_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 SamplerGL class.
+
+#ifndef GPU_COMMAND_BUFFER_SERVICE_SAMPLER_GL_H_
+#define GPU_COMMAND_BUFFER_SERVICE_SAMPLER_GL_H_
+
+#include "gpu/command_buffer/common/gapi_interface.h"
+#include "gpu/command_buffer/service/gl_utils.h"
+#include "gpu/command_buffer/service/resource.h"
+
+namespace command_buffer {
+namespace o3d {
+
+class GAPIGL;
+
+// GL version of Sampler.
+class SamplerGL : public Sampler {
+ public:
+  SamplerGL();
+
+  // Applies sampler states to GL.
+  bool ApplyStates(GAPIGL *gapi);
+
+  // Sets sampler states.
+  void SetStates(sampler::AddressingMode addressing_u,
+                 sampler::AddressingMode addressing_v,
+                 sampler::AddressingMode addressing_w,
+                 sampler::FilteringMode mag_filter,
+                 sampler::FilteringMode min_filter,
+                 sampler::FilteringMode mip_filter,
+                 unsigned int max_anisotropy);
+
+  // Sets the border color states.
+  void SetBorderColor(const o3d::RGBA &color);
+
+  // Sets the texture.
+  void SetTexture(ResourceId texture) { texture_id_ = texture; }
+
+  GLuint gl_texture() const { return gl_texture_; }
+
+ private:
+  GLenum gl_wrap_s_;
+  GLenum gl_wrap_t_;
+  GLenum gl_wrap_r_;
+  GLenum gl_mag_filter_;
+  GLenum gl_min_filter_;
+  GLuint gl_max_anisotropy_;
+  GLfloat gl_border_color_[4];
+  GLuint gl_texture_;
+  ResourceId texture_id_;
+};
+
+}  // namespace o3d
+}  // namespace command_buffer
+
+#endif  // GPU_COMMAND_BUFFER_SERVICE_SAMPLER_GL_H_